diff --git a/.gitignore b/.gitignore
index e9faf6c..8b65b0a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,9 +7,16 @@ __pycache__/
 *.pyd
 *.so
 .venv/
+*/.venv/
 venv/
-.env
-.env.*
+*.env
+*.env.*
+
+# Databases & Alembic artifacts
+*.db
+*/data/*.db
+alembic.ini
+migrations/versions/__pycache__/
 
 # Node / JS
 node_modules/
diff --git a/.windsurf/workflows/fruits.md b/.windsurf/workflows/fruits.md
new file mode 100644
index 0000000..5851ce7
--- /dev/null
+++ b/.windsurf/workflows/fruits.md
@@ -0,0 +1,6 @@
+---
+description: lowest-effort
+auto_execution_mode: 3
+---
+
+Identify the lowest-effort task in docs/roadmap.md and code it now
\ No newline at end of file
diff --git a/apps/blockchain-node/data/chain.db b/apps/blockchain-node/data/chain.db
index eeb1f9c..7341c82 100644
Binary files a/apps/blockchain-node/data/chain.db and b/apps/blockchain-node/data/chain.db differ
diff --git a/apps/blockchain-node/migrations/versions/80bc0020bde2_add_block_relationships.py b/apps/blockchain-node/migrations/versions/80bc0020bde2_add_block_relationships.py
index 69797d8..775e441 100644
--- a/apps/blockchain-node/migrations/versions/80bc0020bde2_add_block_relationships.py
+++ b/apps/blockchain-node/migrations/versions/80bc0020bde2_add_block_relationships.py
@@ -12,23 +12,85 @@ import sqlalchemy as sa
 
 
 # revision identifiers, used by Alembic.
-revision: str = '80bc0020bde2'
-down_revision: Union[str, Sequence[str], None] = 'e31f486f1484'
+revision: str = "80bc0020bde2"
+down_revision: Union[str, Sequence[str], None] = "e31f486f1484"
 branch_labels: Union[str, Sequence[str], None] = None
 depends_on: Union[str, Sequence[str], None] = None
 
 
 def upgrade() -> None:
     """Upgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_foreign_key(None, 'receipt', 'block', ['block_height'], ['height'])
-    op.create_foreign_key(None, 'transaction', 'block', ['block_height'], ['height'])
-    # ### end Alembic commands ###
+
+    # Recreate transaction table with foreign key to block.height
+    op.drop_table("transaction")
+    op.create_table(
+        "transaction",
+        sa.Column("id", sa.Integer(), primary_key=True, nullable=False),
+        sa.Column("tx_hash", sa.String(), nullable=False),
+        sa.Column("block_height", sa.Integer(), sa.ForeignKey("block.height"), nullable=True),
+        sa.Column("sender", sa.String(), nullable=False),
+        sa.Column("recipient", sa.String(), nullable=False),
+        sa.Column("payload", sa.JSON(), nullable=False),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+    )
+    op.create_index("ix_transaction_tx_hash", "transaction", ["tx_hash"], unique=True)
+    op.create_index("ix_transaction_block_height", "transaction", ["block_height"], unique=False)
+    op.create_index("ix_transaction_created_at", "transaction", ["created_at"], unique=False)
+
+    # Recreate receipt table with foreign key to block.height
+    op.drop_table("receipt")
+    op.create_table(
+        "receipt",
+        sa.Column("id", sa.Integer(), primary_key=True, nullable=False),
+        sa.Column("job_id", sa.String(), nullable=False),
+        sa.Column("receipt_id", sa.String(), nullable=False),
+        sa.Column("block_height", sa.Integer(), sa.ForeignKey("block.height"), nullable=True),
+        sa.Column("payload", sa.JSON(), nullable=False),
+        sa.Column("miner_signature", sa.JSON(), nullable=False),
+        sa.Column("coordinator_attestations", sa.JSON(), nullable=False),
+        sa.Column("minted_amount", sa.Integer(), nullable=True),
+        sa.Column("recorded_at", sa.DateTime(), nullable=False),
+    )
+    op.create_index("ix_receipt_job_id", "receipt", ["job_id"], unique=False)
+    op.create_index("ix_receipt_receipt_id", "receipt", ["receipt_id"], unique=True)
+    op.create_index("ix_receipt_block_height", "receipt", ["block_height"], unique=False)
+    op.create_index("ix_receipt_recorded_at", "receipt", ["recorded_at"], unique=False)
 
 
 def downgrade() -> None:
     """Downgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_constraint(None, 'transaction', type_='foreignkey')
-    op.drop_constraint(None, 'receipt', type_='foreignkey')
-    # ### end Alembic commands ###
+
+    # Revert receipt table without foreign key
+    op.drop_table("receipt")
+    op.create_table(
+        "receipt",
+        sa.Column("id", sa.Integer(), primary_key=True, nullable=False),
+        sa.Column("job_id", sa.String(), nullable=False),
+        sa.Column("receipt_id", sa.String(), nullable=False),
+        sa.Column("block_height", sa.Integer(), nullable=True),
+        sa.Column("payload", sa.JSON(), nullable=False),
+        sa.Column("miner_signature", sa.JSON(), nullable=False),
+        sa.Column("coordinator_attestations", sa.JSON(), nullable=False),
+        sa.Column("minted_amount", sa.Integer(), nullable=True),
+        sa.Column("recorded_at", sa.DateTime(), nullable=False),
+    )
+    op.create_index("ix_receipt_job_id", "receipt", ["job_id"], unique=False)
+    op.create_index("ix_receipt_receipt_id", "receipt", ["receipt_id"], unique=True)
+    op.create_index("ix_receipt_block_height", "receipt", ["block_height"], unique=False)
+    op.create_index("ix_receipt_recorded_at", "receipt", ["recorded_at"], unique=False)
+
+    # Revert transaction table without foreign key
+    op.drop_table("transaction")
+    op.create_table(
+        "transaction",
+        sa.Column("id", sa.Integer(), primary_key=True, nullable=False),
+        sa.Column("tx_hash", sa.String(), nullable=False),
+        sa.Column("block_height", sa.Integer(), nullable=True),
+        sa.Column("sender", sa.String(), nullable=False),
+        sa.Column("recipient", sa.String(), nullable=False),
+        sa.Column("payload", sa.JSON(), nullable=False),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+    )
+    op.create_index("ix_transaction_tx_hash", "transaction", ["tx_hash"], unique=True)
+    op.create_index("ix_transaction_block_height", "transaction", ["block_height"], unique=False)
+    op.create_index("ix_transaction_created_at", "transaction", ["created_at"], unique=False)
diff --git a/apps/blockchain-node/observability/README.md b/apps/blockchain-node/observability/README.md
new file mode 100644
index 0000000..3d96fc5
--- /dev/null
+++ b/apps/blockchain-node/observability/README.md
@@ -0,0 +1,43 @@
+# Blockchain Node Observability
+
+This directory contains Prometheus and Grafana assets for the devnet environment. The stack relies on the HTTP `/metrics` endpoint exposed by:
+
+1. The blockchain node API (`http://127.0.0.1:8080/metrics`).
+2. The mock coordinator/miner exporter (`http://127.0.0.1:8090/metrics`).
+
+## Files
+
+- `prometheus.yml` – Scrapes both blockchain node and mock coordinator/miner metrics.
+- `grafana-dashboard.json` – Panels for block interval, RPC throughput, miner activity, coordinator receipt flow, **plus new gossip queue, subscriber, and publication rate panels**.
+- `alerts.yml` – Alertmanager rules highlighting proposer stalls, miner errors, and coordinator receipt drop-offs.
+- `gossip-recording-rules.yml` – Prometheus recording rules that derive queue/subscriber gauges and publication rates from gossip metrics.
+
+## Usage
+
+```bash
+# Launch Prometheus using the sample config
+prometheus --config.file=apps/blockchain-node/observability/prometheus.yml
+
+# Import the dashboard JSON into Grafana
+grafana-cli dashboards import apps/blockchain-node/observability/grafana-dashboard.json
+
+# Run Alertmanager with the example rules
+alertmanager --config.file=apps/blockchain-node/observability/alerts.yml
+
+# Reload Prometheus and Alertmanager after tuning thresholds
+kill -HUP $(pgrep prometheus)
+kill -HUP $(pgrep alertmanager)
+```
+
+> **Tip:** The devnet helper `scripts/devnet_up.sh` seeds the metrics endpoints. After running it, both scrape targets will begin emitting data in under a minute.
+
+## Gossip Observability
+
+Recent updates instrumented the gossip broker with Prometheus counters and gauges. Key metrics surfaced via the recording rules and dashboard include:
+
+- `gossip_publications_rate_per_sec` and `gossip_broadcast_publications_rate_per_sec` – per-second publication throughput for in-memory and broadcast backends.
+- `gossip_publications_topic_rate_per_sec` – topic-level publication rate time series (Grafana panel “Gossip Publication Rate by Topic”).
+- `gossip_queue_size_by_topic` – instantaneous queue depth per topic (“Gossip Queue Depth by Topic”).
+- `gossip_subscribers_by_topic`, `gossip_subscribers_total`, `gossip_broadcast_subscribers_total` – subscriber counts (“Gossip Subscriber Counts”).
+
+Use these panels to monitor convergence/back-pressure during load tests (for example with `scripts/ws_load_test.py`) when running against a Redis-backed broadcast backend.
diff --git a/apps/blockchain-node/observability/alerts.yml b/apps/blockchain-node/observability/alerts.yml
new file mode 100644
index 0000000..0c89e7d
--- /dev/null
+++ b/apps/blockchain-node/observability/alerts.yml
@@ -0,0 +1,43 @@
+groups:
+  - name: blockchain-node
+    rules:
+      - alert: BlockProposalStalled
+        expr: (block_interval_seconds_sum / block_interval_seconds_count) > 5
+        for: 1m
+        labels:
+          severity: warning
+        annotations:
+          summary: "Block production interval exceeded 5s"
+          description: |
+            Average block interval is {{ $value }} seconds, exceeding the expected cadence.
+
+      - alert: BlockProposalDown
+        expr: (block_interval_seconds_sum / block_interval_seconds_count) > 10
+        for: 2m
+        labels:
+          severity: critical
+        annotations:
+          summary: "Block production halted"
+          description: |
+            Block intervals have spiked above 10 seconds for more than two minutes.
+            Check proposer loop and database state.
+
+      - alert: MinerErrorsDetected
+        expr: miner_error_rate > 0
+        for: 1m
+        labels:
+          severity: critical
+        annotations:
+          summary: "Miner mock reporting errors"
+          description: |
+            The miner mock error gauge is {{ $value }}. Investigate miner telemetry.
+
+      - alert: CoordinatorReceiptDrop
+        expr: rate(miner_receipts_attested_total[5m]) == 0
+        for: 5m
+        labels:
+          severity: warning
+        annotations:
+          summary: "No receipts attested in 5 minutes"
+          description: |
+            Receipt attestations ceased during the last five minutes. Inspect coordinator connectivity.
diff --git a/apps/blockchain-node/observability/gossip-recording-rules.yml b/apps/blockchain-node/observability/gossip-recording-rules.yml
new file mode 100644
index 0000000..e8d3ee7
--- /dev/null
+++ b/apps/blockchain-node/observability/gossip-recording-rules.yml
@@ -0,0 +1,36 @@
+groups:
+  - name: gossip_metrics
+    interval: 15s
+    rules:
+      - record: gossip_publications_rate_per_sec
+        expr: rate(gossip_publications_total[1m])
+
+      - record: gossip_broadcast_publications_rate_per_sec
+        expr: rate(gossip_broadcast_publications_total[1m])
+
+      - record: gossip_publications_topic_rate_per_sec
+        expr: label_replace(
+          rate({__name__=~"gossip_publications_topic_.*"}[1m]),
+          "topic",
+          "$1",
+          "__name__",
+          "gossip_publications_topic_(.*)"
+        )
+
+      - record: gossip_queue_size_by_topic
+        expr: label_replace(
+          {__name__=~"gossip_queue_size_.*"},
+          "topic",
+          "$1",
+          "__name__",
+          "gossip_queue_size_(.*)"
+        )
+
+      - record: gossip_subscribers_by_topic
+        expr: label_replace(
+          {__name__=~"gossip_subscribers_topic_.*"},
+          "topic",
+          "$1",
+          "__name__",
+          "gossip_subscribers_topic_(.*)"
+        )
diff --git a/apps/blockchain-node/observability/grafana-dashboard.json b/apps/blockchain-node/observability/grafana-dashboard.json
new file mode 100644
index 0000000..b84e1bb
--- /dev/null
+++ b/apps/blockchain-node/observability/grafana-dashboard.json
@@ -0,0 +1,377 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": {
+          "type": "grafana",
+          "uid": "grafana"
+        },
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "type": "dashboard"
+      }
+    ]
+  },
+  "description": "AITBC devnet observability for blockchain node, coordinator, and miner mock.",
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "gnetId": null,
+  "graphTooltip": 0,
+  "id": null,
+  "iteration": 1727420700000,
+  "links": [],
+  "liveNow": false,
+  "panels": [
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PROMETHEUS_DS"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "custom": {},
+          "unit": "s"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 0
+      },
+      "id": 1,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        }
+      },
+      "targets": [
+        {
+          "expr": "block_interval_seconds_sum / block_interval_seconds_count",
+          "legendFormat": "avg block interval",
+          "refId": "A"
+        }
+      ],
+      "title": "Block Interval (seconds)",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PROMETHEUS_DS"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "custom": {},
+          "unit": "ops"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 0
+      },
+      "id": 2,
+      "options": {
+        "legend": {
+          "calcs": ["lastNotNull"],
+          "displayMode": "table",
+          "placement": "bottom",
+          "showLegend": true
+        }
+      },
+      "targets": [
+        {
+          "expr": "rate(rpc_send_tx_total[5m])",
+          "legendFormat": "sendTx",
+          "refId": "A"
+        },
+        {
+          "expr": "rate(rpc_submit_receipt_total[5m])",
+          "legendFormat": "submitReceipt",
+          "refId": "B"
+        },
+        {
+          "expr": "rate(rpc_get_head_total[5m])",
+          "legendFormat": "getHead",
+          "refId": "C"
+        }
+      ],
+      "title": "RPC Throughput",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PROMETHEUS_DS"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "custom": {}
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 8
+      },
+      "id": 3,
+      "options": {
+        "legend": {
+          "calcs": ["lastNotNull"],
+          "displayMode": "table",
+          "placement": "bottom",
+          "showLegend": true
+        }
+      },
+      "targets": [
+        {
+          "expr": "miner_active_jobs",
+          "legendFormat": "active jobs",
+          "refId": "A"
+        },
+        {
+          "expr": "miner_error_rate",
+          "legendFormat": "error gauge",
+          "refId": "B"
+        }
+      ],
+      "title": "Miner Activity",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PROMETHEUS_DS"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "custom": {},
+          "unit": "short"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 8
+      },
+      "id": 4,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        }
+      },
+      "targets": [
+        {
+          "expr": "rate(miner_receipts_attested_total[5m])",
+          "legendFormat": "receipts attested",
+          "refId": "A"
+        },
+        {
+          "expr": "rate(miner_receipts_unknown_total[5m])",
+          "legendFormat": "unknown receipts",
+          "refId": "B"
+        }
+      ],
+      "title": "Coordinator Receipt Flow",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PROMETHEUS_DS"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "custom": {}
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 16
+      },
+      "id": 5,
+      "options": {
+        "legend": {
+          "calcs": ["lastNotNull"],
+          "displayMode": "table",
+          "placement": "bottom",
+          "showLegend": true
+        }
+      },
+      "targets": [
+        {
+          "expr": "gossip_queue_size_by_topic",
+          "legendFormat": "{{topic}}",
+          "refId": "A"
+        }
+      ],
+      "title": "Gossip Queue Depth by Topic",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PROMETHEUS_DS"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "custom": {}
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 16
+      },
+      "id": 6,
+      "options": {
+        "legend": {
+          "calcs": ["lastNotNull"],
+          "displayMode": "table",
+          "placement": "bottom",
+          "showLegend": true
+        }
+      },
+      "targets": [
+        {
+          "expr": "gossip_subscribers_by_topic",
+          "legendFormat": "{{topic}}",
+          "refId": "A"
+        },
+        {
+          "expr": "gossip_subscribers_total",
+          "legendFormat": "total subscribers",
+          "refId": "B"
+        },
+        {
+          "expr": "gossip_broadcast_subscribers_total",
+          "legendFormat": "broadcast subscribers",
+          "refId": "C"
+        }
+      ],
+      "title": "Gossip Subscriber Counts",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PROMETHEUS_DS"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "custom": {},
+          "unit": "ops"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 24
+      },
+      "id": 7,
+      "options": {
+        "legend": {
+          "calcs": ["lastNotNull"],
+          "displayMode": "table",
+          "placement": "bottom",
+          "showLegend": true
+        }
+      },
+      "targets": [
+        {
+          "expr": "gossip_publications_rate_per_sec",
+          "legendFormat": "memory backend",
+          "refId": "A"
+        },
+        {
+          "expr": "gossip_broadcast_publications_rate_per_sec",
+          "legendFormat": "broadcast backend",
+          "refId": "B"
+        }
+      ],
+      "title": "Gossip Publication Rate (total)",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PROMETHEUS_DS"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "custom": {},
+          "unit": "ops"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 24
+      },
+      "id": 8,
+      "options": {
+        "legend": {
+          "calcs": ["lastNotNull"],
+          "displayMode": "table",
+          "placement": "bottom",
+          "showLegend": true
+        }
+      },
+      "targets": [
+        {
+          "expr": "gossip_publications_topic_rate_per_sec",
+          "legendFormat": "{{topic}}",
+          "refId": "A"
+        }
+      ],
+      "title": "Gossip Publication Rate by Topic",
+      "type": "timeseries"
+    }
+  ],
+  "refresh": "10s",
+  "schemaVersion": 39,
+  "style": "dark",
+  "tags": [
+    "aitbc",
+    "blockchain-node"
+  ],
+  "templating": {
+    "list": []
+  },
+  "time": {
+    "from": "now-30m",
+    "to": "now"
+  },
+  "timepicker": {},
+  "timezone": "",
+  "title": "AITBC Blockchain Node",
+  "uid": null,
+  "version": 1,
+  "weekStart": ""
+}
diff --git a/apps/blockchain-node/observability/prometheus.yml b/apps/blockchain-node/observability/prometheus.yml
new file mode 100644
index 0000000..11f470e
--- /dev/null
+++ b/apps/blockchain-node/observability/prometheus.yml
@@ -0,0 +1,28 @@
+global:
+  scrape_interval: 5s
+  evaluation_interval: 10s
+
+alerting:
+  alertmanagers:
+    - static_configs:
+        - targets:
+            - "127.0.0.1:9093"
+
+scrape_configs:
+  - job_name: "blockchain-node"
+    static_configs:
+      - targets:
+          - "127.0.0.1:8080"
+        labels:
+          service: "blockchain-node"
+
+  - job_name: "mock-coordinator"
+    static_configs:
+      - targets:
+          - "127.0.0.1:8090"
+        labels:
+          service: "mock-coordinator"
+
+rule_files:
+  - alerts.yml
+  - gossip-recording-rules.yml
diff --git a/apps/blockchain-node/scripts/mock_coordinator.py b/apps/blockchain-node/scripts/mock_coordinator.py
index 2eeb8bd..e5e80bf 100644
--- a/apps/blockchain-node/scripts/mock_coordinator.py
+++ b/apps/blockchain-node/scripts/mock_coordinator.py
@@ -3,9 +3,14 @@
 
 from __future__ import annotations
 
+import random
+import time
 from typing import Dict
 
 from fastapi import FastAPI
+from fastapi.responses import PlainTextResponse
+
+from aitbc_chain.metrics import metrics_registry
 
 app = FastAPI(title="Mock Coordinator API", version="0.1.0")
 
@@ -15,6 +20,17 @@ MOCK_JOBS: Dict[str, Dict[str, str]] = {
 }
 
 
+def _simulate_miner_metrics() -> None:
+    metrics_registry.set_gauge("miner_active_jobs", float(random.randint(0, 5)))
+    metrics_registry.set_gauge("miner_error_rate", float(random.randint(0, 1)))
+    metrics_registry.observe("miner_job_duration_seconds", random.uniform(1.0, 5.0))
+
+
+@app.on_event("startup")
+async def _startup() -> None:
+    _simulate_miner_metrics()
+
+
 @app.get("/health")
 def health() -> Dict[str, str]:
     return {"status": "ok"}
@@ -24,15 +40,23 @@ def health() -> Dict[str, str]:
 def attest_receipt(payload: Dict[str, str]) -> Dict[str, str | bool]:
     job_id = payload.get("job_id")
     if job_id in MOCK_JOBS:
+        metrics_registry.increment("miner_receipts_attested_total")
         return {
             "exists": True,
             "paid": True,
             "not_double_spent": True,
             "quote": MOCK_JOBS[job_id],
         }
+    metrics_registry.increment("miner_receipts_unknown_total")
     return {
         "exists": False,
         "paid": False,
         "not_double_spent": False,
         "quote": {},
     }
+
+
+@app.get("/metrics", response_class=PlainTextResponse)
+def metrics() -> str:
+    metrics_registry.observe("miner_metrics_scrape_duration_seconds", random.uniform(0.001, 0.01))
+    return metrics_registry.render_prometheus()
diff --git a/apps/blockchain-node/scripts/ws_load_test.py b/apps/blockchain-node/scripts/ws_load_test.py
new file mode 100644
index 0000000..be3aab7
--- /dev/null
+++ b/apps/blockchain-node/scripts/ws_load_test.py
@@ -0,0 +1,224 @@
+#!/usr/bin/env python3
+"""Asynchronous load harness for blockchain-node WebSocket + gossip pipeline."""
+
+from __future__ import annotations
+
+import argparse
+import asyncio
+import json
+import random
+import time
+from dataclasses import dataclass, field
+from typing import Dict, List, Optional
+
+import httpx
+import websockets
+
+
+@dataclass
+class PublishStats:
+    sent: int = 0
+    failed: int = 0
+    latencies: List[float] = field(default_factory=list)
+
+    @property
+    def average_latency_ms(self) -> Optional[float]:
+        if not self.latencies:
+            return None
+        return (sum(self.latencies) / len(self.latencies)) * 1000.0
+
+    @property
+    def p95_latency_ms(self) -> Optional[float]:
+        if not self.latencies:
+            return None
+        sorted_latencies = sorted(self.latencies)
+        index = int(len(sorted_latencies) * 0.95)
+        index = min(index, len(sorted_latencies) - 1)
+        return sorted_latencies[index] * 1000.0
+
+
+@dataclass
+class SubscriptionStats:
+    messages: int = 0
+    disconnects: int = 0
+
+
+async def _publish_transactions(
+    base_url: str,
+    stats: PublishStats,
+    stop_event: asyncio.Event,
+    rate_hz: float,
+    job_id: str,
+    client_id: str,
+    timeout: float,
+) -> None:
+    interval = 1 / rate_hz if rate_hz > 0 else 0
+    async with httpx.AsyncClient(base_url=base_url, timeout=timeout) as client:
+        while not stop_event.is_set():
+            payload = {
+                "type": "TRANSFER",
+                "sender": f"miner-{client_id}",
+                "nonce": stats.sent,
+                "fee": 1,
+                "payload": {
+                    "job_id": job_id,
+                    "amount": random.randint(1, 10),
+                    "timestamp": time.time_ns(),
+                },
+            }
+            started = time.perf_counter()
+            try:
+                response = await client.post("/rpc/sendTx", json=payload)
+                response.raise_for_status()
+            except httpx.HTTPError:
+                stats.failed += 1
+            else:
+                stats.sent += 1
+                stats.latencies.append(time.perf_counter() - started)
+
+            if interval:
+                try:
+                    await asyncio.wait_for(stop_event.wait(), timeout=interval)
+                except asyncio.TimeoutError:
+                    continue
+            else:
+                await asyncio.sleep(0)
+
+
+async def _subscription_worker(
+    websocket_url: str,
+    stats: SubscriptionStats,
+    stop_event: asyncio.Event,
+    client_name: str,
+) -> None:
+    while not stop_event.is_set():
+        try:
+            async with websockets.connect(websocket_url) as ws:
+                while not stop_event.is_set():
+                    try:
+                        message = await asyncio.wait_for(ws.recv(), timeout=1.0)
+                    except asyncio.TimeoutError:
+                        continue
+                    except websockets.ConnectionClosed:
+                        stats.disconnects += 1
+                        break
+                    else:
+                        _ = message  # lightweight backpressure test only
+                        stats.messages += 1
+        except OSError:
+            stats.disconnects += 1
+            await asyncio.sleep(0.5)
+
+
+async def run_load(args: argparse.Namespace) -> None:
+    stop_event = asyncio.Event()
+
+    publish_stats: List[PublishStats] = [PublishStats() for _ in range(args.publishers)]
+    subscription_stats: Dict[str, SubscriptionStats] = {
+        "blocks": SubscriptionStats(),
+        "transactions": SubscriptionStats(),
+    }
+
+    publisher_tasks = [
+        asyncio.create_task(
+            _publish_transactions(
+                base_url=args.http_base,
+                stats=publish_stats[i],
+                stop_event=stop_event,
+                rate_hz=args.publish_rate,
+                job_id=f"load-test-job-{i}",
+                client_id=f"{i}",
+                timeout=args.http_timeout,
+            ),
+            name=f"publisher-{i}",
+        )
+        for i in range(args.publishers)
+    ]
+
+    subscriber_tasks = [
+        asyncio.create_task(
+            _subscription_worker(
+                websocket_url=f"{args.ws_base}/blocks",
+                stats=subscription_stats["blocks"],
+                stop_event=stop_event,
+                client_name="blocks",
+            ),
+            name="subscriber-blocks",
+        ),
+        asyncio.create_task(
+            _subscription_worker(
+                websocket_url=f"{args.ws_base}/transactions",
+                stats=subscription_stats["transactions"],
+                stop_event=stop_event,
+                client_name="transactions",
+            ),
+            name="subscriber-transactions",
+        ),
+    ]
+
+    all_tasks = publisher_tasks + subscriber_tasks
+
+    try:
+        await asyncio.wait_for(stop_event.wait(), timeout=args.duration)
+    except asyncio.TimeoutError:
+        pass
+    finally:
+        stop_event.set()
+        await asyncio.gather(*all_tasks, return_exceptions=True)
+
+    _print_summary(publish_stats, subscription_stats)
+
+
+def _print_summary(publish_stats: List[PublishStats], subscription_stats: Dict[str, SubscriptionStats]) -> None:
+    total_sent = sum(s.sent for s in publish_stats)
+    total_failed = sum(s.failed for s in publish_stats)
+    all_latencies = [lat for s in publish_stats for lat in s.latencies]
+
+    summary = {
+        "publish": {
+            "total_sent": total_sent,
+            "total_failed": total_failed,
+            "average_latency_ms": (sum(all_latencies) / len(all_latencies) * 1000.0) if all_latencies else None,
+            "p95_latency_ms": _p95(all_latencies),
+        },
+        "subscriptions": {
+            name: {
+                "messages": stats.messages,
+                "disconnects": stats.disconnects,
+            }
+            for name, stats in subscription_stats.items()
+        },
+    }
+    print(json.dumps(summary, indent=2))
+
+
+def _p95(latencies: List[float]) -> Optional[float]:
+    if not latencies:
+        return None
+    sorted_latencies = sorted(latencies)
+    index = int(len(sorted_latencies) * 0.95)
+    index = min(index, len(sorted_latencies) - 1)
+    return sorted_latencies[index] * 1000.0
+
+
+def _parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(description="AITBC blockchain-node WebSocket load harness")
+    parser.add_argument("--http-base", default="http://127.0.0.1:8080", help="Base URL for REST API")
+    parser.add_argument("--ws-base", default="ws://127.0.0.1:8080/rpc/ws", help="Base URL for WebSocket API")
+    parser.add_argument("--duration", type=float, default=30.0, help="Duration in seconds")
+    parser.add_argument("--publishers", type=int, default=4, help="Concurrent transaction publishers")
+    parser.add_argument("--publish-rate", type=float, default=5.0, help="Transactions per second per publisher")
+    parser.add_argument("--http-timeout", type=float, default=5.0, help="HTTP client timeout in seconds")
+    return parser.parse_args()
+
+
+def main() -> None:
+    args = _parse_args()
+    try:
+        asyncio.run(run_load(args))
+    except KeyboardInterrupt:
+        pass
+
+
+if __name__ == "__main__":
+    main()
diff --git a/apps/blockchain-node/src/aitbc_chain/app.py b/apps/blockchain-node/src/aitbc_chain/app.py
index f7b1732..9d3ba23 100644
--- a/apps/blockchain-node/src/aitbc_chain/app.py
+++ b/apps/blockchain-node/src/aitbc_chain/app.py
@@ -1,24 +1,35 @@
 from __future__ import annotations
 
 from contextlib import asynccontextmanager
-
 from fastapi import APIRouter, FastAPI
 from fastapi.responses import PlainTextResponse
 
 from .config import settings
 from .database import init_db
+from .gossip import create_backend, gossip_broker
 from .metrics import metrics_registry
 from .rpc.router import router as rpc_router
+from .rpc.websocket import router as websocket_router
 
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     init_db()
+    backend = create_backend(
+        settings.gossip_backend,
+        broadcast_url=settings.gossip_broadcast_url,
+    )
+    await gossip_broker.set_backend(backend)
+    try:
+        yield
+    finally:
+        await gossip_broker.shutdown()
+
 
 def create_app() -> FastAPI:
     app = FastAPI(title="AITBC Blockchain Node", version="0.1.0", lifespan=lifespan)
     app.include_router(rpc_router, prefix="/rpc", tags=["rpc"])
-
+    app.include_router(websocket_router, prefix="/rpc")
     metrics_router = APIRouter()
 
     @metrics_router.get("/metrics", response_class=PlainTextResponse, tags=["metrics"], summary="Prometheus metrics")
diff --git a/apps/blockchain-node/src/aitbc_chain/config.py b/apps/blockchain-node/src/aitbc_chain/config.py
index 874c272..929787a 100644
--- a/apps/blockchain-node/src/aitbc_chain/config.py
+++ b/apps/blockchain-node/src/aitbc_chain/config.py
@@ -26,5 +26,8 @@ class ChainSettings(BaseSettings):
 
     block_time_seconds: int = 2
 
+    gossip_backend: str = "memory"
+    gossip_broadcast_url: Optional[str] = None
+
 
 settings = ChainSettings()
diff --git a/apps/blockchain-node/src/aitbc_chain/consensus/poa.py b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
index 56ddad5..c67fccf 100644
--- a/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
+++ b/apps/blockchain-node/src/aitbc_chain/consensus/poa.py
@@ -11,6 +11,7 @@ from sqlmodel import Session, select
 from ..logging import get_logger
 from ..metrics import metrics_registry
 from ..models import Block
+from ..gossip import gossip_broker
 
 
 @dataclass
@@ -78,9 +79,11 @@ class PoAProposer:
             head = session.exec(select(Block).order_by(Block.height.desc()).limit(1)).first()
             next_height = 0
             parent_hash = "0x00"
+            interval_seconds: Optional[float] = None
             if head is not None:
                 next_height = head.height + 1
                 parent_hash = head.hash
+                interval_seconds = (datetime.utcnow() - head.timestamp).total_seconds()
 
             timestamp = datetime.utcnow()
             block_hash = self._compute_block_hash(next_height, parent_hash, timestamp)
@@ -99,6 +102,21 @@ class PoAProposer:
 
             metrics_registry.increment("blocks_proposed_total")
             metrics_registry.set_gauge("chain_head_height", float(next_height))
+            if interval_seconds is not None and interval_seconds >= 0:
+                metrics_registry.observe("block_interval_seconds", interval_seconds)
+
+            asyncio.create_task(
+                gossip_broker.publish(
+                    "blocks",
+                    {
+                        "height": block.height,
+                        "hash": block.hash,
+                        "parent_hash": block.parent_hash,
+                        "timestamp": block.timestamp.isoformat(),
+                        "tx_count": block.tx_count,
+                    },
+                )
+            )
 
             self._logger.info(
                 "Proposed block",
@@ -129,6 +147,19 @@ class PoAProposer:
             )
             session.add(genesis)
             session.commit()
+            asyncio.create_task(
+                gossip_broker.publish(
+                    "blocks",
+                    {
+                        "height": genesis.height,
+                        "hash": genesis.hash,
+                        "parent_hash": genesis.parent_hash,
+                        "timestamp": genesis.timestamp.isoformat(),
+                        "tx_count": genesis.tx_count,
+                    },
+                )
+            )
+
             self._logger.info("Created genesis block", extra={"hash": genesis_hash})
 
     def _fetch_chain_head(self) -> Optional[Block]:
diff --git a/apps/blockchain-node/src/aitbc_chain/gossip/__init__.py b/apps/blockchain-node/src/aitbc_chain/gossip/__init__.py
new file mode 100644
index 0000000..c0c895b
--- /dev/null
+++ b/apps/blockchain-node/src/aitbc_chain/gossip/__init__.py
@@ -0,0 +1,17 @@
+from .broker import (
+    BroadcastGossipBackend,
+    GossipBroker,
+    InMemoryGossipBackend,
+    TopicSubscription,
+    create_backend,
+    gossip_broker,
+)
+
+__all__ = [
+    "BroadcastGossipBackend",
+    "GossipBroker",
+    "InMemoryGossipBackend",
+    "TopicSubscription",
+    "create_backend",
+    "gossip_broker",
+]
diff --git a/apps/blockchain-node/src/aitbc_chain/gossip/broker.py b/apps/blockchain-node/src/aitbc_chain/gossip/broker.py
new file mode 100644
index 0000000..9085698
--- /dev/null
+++ b/apps/blockchain-node/src/aitbc_chain/gossip/broker.py
@@ -0,0 +1,254 @@
+from __future__ import annotations
+
+import asyncio
+import json
+from collections import defaultdict
+from contextlib import suppress
+from dataclasses import dataclass
+from typing import Any, Callable, Dict, List, Optional, Set
+
+try:
+    from starlette.broadcast import Broadcast
+except ImportError:  # pragma: no cover - Starlette is an indirect dependency of FastAPI
+    Broadcast = None  # type: ignore[assignment]
+
+from ..metrics import metrics_registry
+
+
+def _increment_publication(metric_prefix: str, topic: str) -> None:
+    metrics_registry.increment(f"{metric_prefix}_total")
+    metrics_registry.increment(f"{metric_prefix}_topic_{topic}")
+
+
+def _set_queue_gauge(topic: str, size: int) -> None:
+    metrics_registry.set_gauge(f"gossip_queue_size_{topic}", float(size))
+
+
+def _update_subscriber_metrics(topics: Dict[str, List["asyncio.Queue[Any]"]]) -> None:
+    for topic, queues in topics.items():
+        metrics_registry.set_gauge(f"gossip_subscribers_topic_{topic}", float(len(queues)))
+    total = sum(len(queues) for queues in topics.values())
+    metrics_registry.set_gauge("gossip_subscribers_total", float(total))
+
+
+def _clear_topic_metrics(topic: str) -> None:
+    metrics_registry.set_gauge(f"gossip_subscribers_topic_{topic}", 0.0)
+    _set_queue_gauge(topic, 0)
+
+@dataclass
+class TopicSubscription:
+    topic: str
+    queue: "asyncio.Queue[Any]"
+    _unsubscribe: Callable[[], None]
+
+    def close(self) -> None:
+        self._unsubscribe()
+
+    async def get(self) -> Any:
+        return await self.queue.get()
+
+    async def __aiter__(self):  # type: ignore[override]
+        try:
+            while True:
+                yield await self.queue.get()
+        finally:
+            self.close()
+
+
+class GossipBackend:
+    async def start(self) -> None:  # pragma: no cover - overridden as needed
+        return None
+
+    async def publish(self, topic: str, message: Any) -> None:
+        raise NotImplementedError
+
+    async def subscribe(self, topic: str, max_queue_size: int = 100) -> TopicSubscription:
+        raise NotImplementedError
+
+    async def shutdown(self) -> None:
+        return None
+
+
+class InMemoryGossipBackend(GossipBackend):
+    def __init__(self) -> None:
+        self._topics: Dict[str, List["asyncio.Queue[Any]"]] = defaultdict(list)
+        self._lock = asyncio.Lock()
+
+    async def publish(self, topic: str, message: Any) -> None:
+        async with self._lock:
+            queues = list(self._topics.get(topic, []))
+        for queue in queues:
+            await queue.put(message)
+            _set_queue_gauge(topic, queue.qsize())
+        _increment_publication("gossip_publications", topic)
+
+    async def subscribe(self, topic: str, max_queue_size: int = 100) -> TopicSubscription:
+        queue: "asyncio.Queue[Any]" = asyncio.Queue(maxsize=max_queue_size)
+
+        async with self._lock:
+            self._topics[topic].append(queue)
+            _update_subscriber_metrics(self._topics)
+
+        _set_queue_gauge(topic, queue.qsize())
+
+        def _unsubscribe() -> None:
+            async def _remove() -> None:
+                async with self._lock:
+                    queues = self._topics.get(topic)
+                    if queues is None:
+                        return
+                    if queue in queues:
+                        queues.remove(queue)
+                        if not queues:
+                            self._topics.pop(topic, None)
+                            _clear_topic_metrics(topic)
+                        _update_subscriber_metrics(self._topics)
+
+            asyncio.create_task(_remove())
+
+        return TopicSubscription(topic=topic, queue=queue, _unsubscribe=_unsubscribe)
+
+    async def shutdown(self) -> None:
+        async with self._lock:
+            topics = list(self._topics.keys())
+            self._topics.clear()
+        for topic in topics:
+            _clear_topic_metrics(topic)
+        _update_subscriber_metrics(self._topics)
+
+
+class BroadcastGossipBackend(GossipBackend):
+    def __init__(self, url: str) -> None:
+        if Broadcast is None:  # pragma: no cover - dependency is optional
+            raise RuntimeError("Starlette Broadcast backend requested but starlette is not available")
+        self._broadcast = Broadcast(url)  # type: ignore[arg-type]
+        self._tasks: Set[asyncio.Task[None]] = set()
+        self._lock = asyncio.Lock()
+        self._running = False
+
+    async def start(self) -> None:
+        if not self._running:
+            await self._broadcast.connect()  # type: ignore[union-attr]
+            self._running = True
+
+    async def publish(self, topic: str, message: Any) -> None:
+        if not self._running:
+            raise RuntimeError("Broadcast backend not started")
+        payload = _encode_message(message)
+        await self._broadcast.publish(topic, payload)  # type: ignore[union-attr]
+        _increment_publication("gossip_broadcast_publications", topic)
+
+    async def subscribe(self, topic: str, max_queue_size: int = 100) -> TopicSubscription:
+        if not self._running:
+            raise RuntimeError("Broadcast backend not started")
+
+        queue: "asyncio.Queue[Any]" = asyncio.Queue(maxsize=max_queue_size)
+        stop_event = asyncio.Event()
+
+        async def _run_subscription() -> None:
+            async with self._broadcast.subscribe(topic) as subscriber:  # type: ignore[attr-defined,union-attr]
+                async for event in subscriber:  # type: ignore[union-attr]
+                    if stop_event.is_set():
+                        break
+                    data = _decode_message(getattr(event, "message", event))
+                    try:
+                        await queue.put(data)
+                        _set_queue_gauge(topic, queue.qsize())
+                    except asyncio.CancelledError:
+                        break
+
+        task = asyncio.create_task(_run_subscription(), name=f"broadcast-sub:{topic}")
+        async with self._lock:
+            self._tasks.add(task)
+            metrics_registry.set_gauge("gossip_broadcast_subscribers_total", float(len(self._tasks)))
+
+        def _unsubscribe() -> None:
+            async def _stop() -> None:
+                stop_event.set()
+                task.cancel()
+                with suppress(asyncio.CancelledError):
+                    await task
+                async with self._lock:
+                    self._tasks.discard(task)
+                    metrics_registry.set_gauge("gossip_broadcast_subscribers_total", float(len(self._tasks)))
+
+            asyncio.create_task(_stop())
+
+        return TopicSubscription(topic=topic, queue=queue, _unsubscribe=_unsubscribe)
+
+    async def shutdown(self) -> None:
+        async with self._lock:
+            tasks = list(self._tasks)
+            self._tasks.clear()
+            metrics_registry.set_gauge("gossip_broadcast_subscribers_total", 0.0)
+        for task in tasks:
+            task.cancel()
+            with suppress(asyncio.CancelledError):
+                await task
+        if self._running:
+            await self._broadcast.disconnect()  # type: ignore[union-attr]
+            self._running = False
+
+
+class GossipBroker:
+    def __init__(self, backend: GossipBackend) -> None:
+        self._backend = backend
+        self._lock = asyncio.Lock()
+        self._started = False
+
+    async def publish(self, topic: str, message: Any) -> None:
+        if not self._started:
+            await self._backend.start()
+            self._started = True
+        await self._backend.publish(topic, message)
+
+    async def subscribe(self, topic: str, max_queue_size: int = 100) -> TopicSubscription:
+        if not self._started:
+            await self._backend.start()
+            self._started = True
+        return await self._backend.subscribe(topic, max_queue_size=max_queue_size)
+
+    async def set_backend(self, backend: GossipBackend) -> None:
+        await backend.start()
+        async with self._lock:
+            previous = self._backend
+            self._backend = backend
+            self._started = True
+        await previous.shutdown()
+
+    async def shutdown(self) -> None:
+        await self._backend.shutdown()
+        self._started = False
+        metrics_registry.set_gauge("gossip_subscribers_total", 0.0)
+
+
+def create_backend(backend_type: str, *, broadcast_url: Optional[str] = None) -> GossipBackend:
+    backend = backend_type.lower()
+    if backend in {"memory", "inmemory", "local"}:
+        return InMemoryGossipBackend()
+    if backend in {"broadcast", "starlette", "redis"}:
+        if not broadcast_url:
+            raise ValueError("Broadcast backend requires a gossip_broadcast_url setting")
+        return BroadcastGossipBackend(broadcast_url)
+    raise ValueError(f"Unsupported gossip backend '{backend_type}'")
+
+
+def _encode_message(message: Any) -> Any:
+    if isinstance(message, (str, bytes, bytearray)):
+        return message
+    return json.dumps(message, separators=(",", ":"))
+
+
+def _decode_message(message: Any) -> Any:
+    if isinstance(message, (bytes, bytearray)):
+        message = message.decode("utf-8")
+    if isinstance(message, str):
+        try:
+            return json.loads(message)
+        except json.JSONDecodeError:
+            return message
+    return message
+
+
+gossip_broker = GossipBroker(InMemoryGossipBackend())
+
diff --git a/apps/blockchain-node/src/aitbc_chain/metrics.py b/apps/blockchain-node/src/aitbc_chain/metrics.py
index 49cddd8..2e5bce6 100644
--- a/apps/blockchain-node/src/aitbc_chain/metrics.py
+++ b/apps/blockchain-node/src/aitbc_chain/metrics.py
@@ -15,6 +15,7 @@ class MetricsRegistry:
     def __init__(self) -> None:
         self._counters: Dict[str, float] = {}
         self._gauges: Dict[str, float] = {}
+        self._summaries: Dict[str, tuple[float, float]] = {}
         self._lock = Lock()
 
     def increment(self, name: str, amount: float = 1.0) -> None:
@@ -25,6 +26,17 @@ class MetricsRegistry:
         with self._lock:
             self._gauges[name] = value
 
+    def observe(self, name: str, value: float) -> None:
+        with self._lock:
+            count, total = self._summaries.get(name, (0.0, 0.0))
+            self._summaries[name] = (count + 1.0, total + value)
+
+    def reset(self) -> None:
+        with self._lock:
+            self._counters.clear()
+            self._gauges.clear()
+            self._summaries.clear()
+
     def render_prometheus(self) -> str:
         with self._lock:
             lines: list[str] = []
@@ -34,6 +46,10 @@ class MetricsRegistry:
             for name, value in sorted(self._gauges.items()):
                 lines.append(f"# TYPE {name} gauge")
                 lines.append(f"{name} {value}")
+            for name, (count, total) in sorted(self._summaries.items()):
+                lines.append(f"# TYPE {name} summary")
+                lines.append(f"{name}_count {count}")
+                lines.append(f"{name}_sum {total}")
             return "\n".join(lines) + "\n"
 
 
diff --git a/apps/blockchain-node/src/aitbc_chain/rpc/router.py b/apps/blockchain-node/src/aitbc_chain/rpc/router.py
index e6890e9..d4c3742 100644
--- a/apps/blockchain-node/src/aitbc_chain/rpc/router.py
+++ b/apps/blockchain-node/src/aitbc_chain/rpc/router.py
@@ -1,6 +1,8 @@
 from __future__ import annotations
 
+import asyncio
 import json
+import time
 from typing import Any, Dict, Optional
 
 from fastapi import APIRouter, HTTPException, status
@@ -8,6 +10,7 @@ from pydantic import BaseModel, Field, model_validator
 from sqlmodel import select
 
 from ..database import session_scope
+from ..gossip import gossip_broker
 from ..mempool import get_mempool
 from ..metrics import metrics_registry
 from ..models import Account, Block, Receipt, Transaction
@@ -64,84 +67,134 @@ class MintFaucetRequest(BaseModel):
 
 @router.get("/head", summary="Get current chain head")
 async def get_head() -> Dict[str, Any]:
+    metrics_registry.increment("rpc_get_head_total")
+    start = time.perf_counter()
     with session_scope() as session:
         result = session.exec(select(Block).order_by(Block.height.desc()).limit(1)).first()
         if result is None:
+            metrics_registry.increment("rpc_get_head_not_found_total")
             raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="no blocks yet")
-        return {
-            "height": result.height,
-            "hash": result.hash,
-            "timestamp": result.timestamp.isoformat(),
-            "tx_count": result.tx_count,
-        }
+        metrics_registry.increment("rpc_get_head_success_total")
+    metrics_registry.observe("rpc_get_head_duration_seconds", time.perf_counter() - start)
+    return {
+        "height": result.height,
+        "hash": result.hash,
+        "timestamp": result.timestamp.isoformat(),
+        "tx_count": result.tx_count,
+    }
 
 
 @router.get("/blocks/{height}", summary="Get block by height")
 async def get_block(height: int) -> Dict[str, Any]:
+    metrics_registry.increment("rpc_get_block_total")
+    start = time.perf_counter()
     with session_scope() as session:
         block = session.exec(select(Block).where(Block.height == height)).first()
         if block is None:
+            metrics_registry.increment("rpc_get_block_not_found_total")
             raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="block not found")
-        return {
-            "height": block.height,
-            "hash": block.hash,
-            "parent_hash": block.parent_hash,
-            "timestamp": block.timestamp.isoformat(),
-            "tx_count": block.tx_count,
-            "state_root": block.state_root,
-        }
+        metrics_registry.increment("rpc_get_block_success_total")
+    metrics_registry.observe("rpc_get_block_duration_seconds", time.perf_counter() - start)
+    return {
+        "height": block.height,
+        "hash": block.hash,
+        "parent_hash": block.parent_hash,
+        "timestamp": block.timestamp.isoformat(),
+        "tx_count": block.tx_count,
+        "state_root": block.state_root,
+    }
 
 
 @router.get("/tx/{tx_hash}", summary="Get transaction by hash")
 async def get_transaction(tx_hash: str) -> Dict[str, Any]:
+    metrics_registry.increment("rpc_get_transaction_total")
+    start = time.perf_counter()
     with session_scope() as session:
         tx = session.exec(select(Transaction).where(Transaction.tx_hash == tx_hash)).first()
         if tx is None:
+            metrics_registry.increment("rpc_get_transaction_not_found_total")
             raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="transaction not found")
-        return {
-            "tx_hash": tx.tx_hash,
-            "block_height": tx.block_height,
-            "sender": tx.sender,
-            "recipient": tx.recipient,
-            "payload": tx.payload,
-            "created_at": tx.created_at.isoformat(),
-        }
+        metrics_registry.increment("rpc_get_transaction_success_total")
+    metrics_registry.observe("rpc_get_transaction_duration_seconds", time.perf_counter() - start)
+    return {
+        "tx_hash": tx.tx_hash,
+        "block_height": tx.block_height,
+        "sender": tx.sender,
+        "recipient": tx.recipient,
+        "payload": tx.payload,
+        "created_at": tx.created_at.isoformat(),
+    }
 
 
 @router.get("/receipts/{receipt_id}", summary="Get receipt by ID")
 async def get_receipt(receipt_id: str) -> Dict[str, Any]:
+    metrics_registry.increment("rpc_get_receipt_total")
+    start = time.perf_counter()
     with session_scope() as session:
         receipt = session.exec(select(Receipt).where(Receipt.receipt_id == receipt_id)).first()
         if receipt is None:
+            metrics_registry.increment("rpc_get_receipt_not_found_total")
             raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="receipt not found")
-        return _serialize_receipt(receipt)
+        metrics_registry.increment("rpc_get_receipt_success_total")
+    metrics_registry.observe("rpc_get_receipt_duration_seconds", time.perf_counter() - start)
+    return _serialize_receipt(receipt)
 
 
 @router.get("/getBalance/{address}", summary="Get account balance")
 async def get_balance(address: str) -> Dict[str, Any]:
+    metrics_registry.increment("rpc_get_balance_total")
+    start = time.perf_counter()
     with session_scope() as session:
         account = session.get(Account, address)
         if account is None:
+            metrics_registry.increment("rpc_get_balance_empty_total")
+            metrics_registry.observe("rpc_get_balance_duration_seconds", time.perf_counter() - start)
             return {"address": address, "balance": 0, "nonce": 0}
-        return {
-            "address": account.address,
-            "balance": account.balance,
-            "nonce": account.nonce,
-            "updated_at": account.updated_at.isoformat(),
-        }
+        metrics_registry.increment("rpc_get_balance_success_total")
+    metrics_registry.observe("rpc_get_balance_duration_seconds", time.perf_counter() - start)
+    return {
+        "address": account.address,
+        "balance": account.balance,
+        "nonce": account.nonce,
+        "updated_at": account.updated_at.isoformat(),
+    }
 
 
 @router.post("/sendTx", summary="Submit a new transaction")
 async def send_transaction(request: TransactionRequest) -> Dict[str, Any]:
+    metrics_registry.increment("rpc_send_tx_total")
+    start = time.perf_counter()
     mempool = get_mempool()
     tx_dict = request.model_dump()
     tx_hash = mempool.add(tx_dict)
-    metrics_registry.increment("rpc_send_tx_total")
-    return {"tx_hash": tx_hash}
+    try:
+        asyncio.create_task(
+            gossip_broker.publish(
+                "transactions",
+                {
+                    "tx_hash": tx_hash,
+                    "sender": request.sender,
+                    "recipient": request.recipient,
+                    "payload": request.payload,
+                    "nonce": request.nonce,
+                    "fee": request.fee,
+                    "type": request.type,
+                },
+            )
+        )
+        metrics_registry.increment("rpc_send_tx_success_total")
+        return {"tx_hash": tx_hash}
+    except Exception:
+        metrics_registry.increment("rpc_send_tx_failed_total")
+        raise
+    finally:
+        metrics_registry.observe("rpc_send_tx_duration_seconds", time.perf_counter() - start)
 
 
 @router.post("/submitReceipt", summary="Submit receipt claim transaction")
 async def submit_receipt(request: ReceiptSubmissionRequest) -> Dict[str, Any]:
+    metrics_registry.increment("rpc_submit_receipt_total")
+    start = time.perf_counter()
     tx_payload = {
         "type": "RECEIPT_CLAIM",
         "sender": request.sender,
@@ -151,17 +204,31 @@ async def submit_receipt(request: ReceiptSubmissionRequest) -> Dict[str, Any]:
         "sig": request.sig,
     }
     tx_request = TransactionRequest.model_validate(tx_payload)
-    metrics_registry.increment("rpc_submit_receipt_total")
-    return await send_transaction(tx_request)
+    try:
+        response = await send_transaction(tx_request)
+        metrics_registry.increment("rpc_submit_receipt_success_total")
+        return response
+    except HTTPException:
+        metrics_registry.increment("rpc_submit_receipt_failed_total")
+        raise
+    except Exception:
+        metrics_registry.increment("rpc_submit_receipt_failed_total")
+        raise
+    finally:
+        metrics_registry.observe("rpc_submit_receipt_duration_seconds", time.perf_counter() - start)
 
 
 @router.post("/estimateFee", summary="Estimate transaction fee")
 async def estimate_fee(request: EstimateFeeRequest) -> Dict[str, Any]:
+    metrics_registry.increment("rpc_estimate_fee_total")
+    start = time.perf_counter()
     base_fee = 10
     per_byte = 1
     payload_bytes = len(json.dumps(request.payload, sort_keys=True, separators=(",", ":")).encode())
     estimated_fee = base_fee + per_byte * payload_bytes
     tx_type = (request.type or "TRANSFER").upper()
+    metrics_registry.increment("rpc_estimate_fee_success_total")
+    metrics_registry.observe("rpc_estimate_fee_duration_seconds", time.perf_counter() - start)
     return {
         "type": tx_type,
         "base_fee": base_fee,
@@ -172,6 +239,8 @@ async def estimate_fee(request: EstimateFeeRequest) -> Dict[str, Any]:
 
 @router.post("/admin/mintFaucet", summary="Mint devnet funds to an address")
 async def mint_faucet(request: MintFaucetRequest) -> Dict[str, Any]:
+    metrics_registry.increment("rpc_mint_faucet_total")
+    start = time.perf_counter()
     with session_scope() as session:
         account = session.get(Account, request.address)
         if account is None:
@@ -181,4 +250,6 @@ async def mint_faucet(request: MintFaucetRequest) -> Dict[str, Any]:
             account.balance += request.amount
         session.commit()
         updated_balance = account.balance
+    metrics_registry.increment("rpc_mint_faucet_success_total")
+    metrics_registry.observe("rpc_mint_faucet_duration_seconds", time.perf_counter() - start)
     return {"address": request.address, "balance": updated_balance}
diff --git a/apps/blockchain-node/src/aitbc_chain/rpc/websocket.py b/apps/blockchain-node/src/aitbc_chain/rpc/websocket.py
new file mode 100644
index 0000000..00a7a6d
--- /dev/null
+++ b/apps/blockchain-node/src/aitbc_chain/rpc/websocket.py
@@ -0,0 +1,34 @@
+from __future__ import annotations
+
+import asyncio
+from typing import AsyncIterator, Dict
+
+from fastapi import APIRouter, WebSocket, WebSocketDisconnect
+
+from ..gossip import gossip_broker
+
+router = APIRouter(prefix="/ws", tags=["ws"])
+
+
+async def _stream_topic(topic: str, websocket: WebSocket) -> None:
+    subscription = await gossip_broker.subscribe(topic)
+    try:
+        while True:
+            message = await subscription.get()
+            await websocket.send_json(message)
+    except WebSocketDisconnect:
+        pass
+    finally:
+        subscription.close()
+
+
+@router.websocket("/blocks")
+async def blocks_stream(websocket: WebSocket) -> None:
+    await websocket.accept()
+    await _stream_topic("blocks", websocket)
+
+
+@router.websocket("/transactions")
+async def transactions_stream(websocket: WebSocket) -> None:
+    await websocket.accept()
+    await _stream_topic("transactions", websocket)
diff --git a/apps/blockchain-node/tests/conftest.py b/apps/blockchain-node/tests/conftest.py
new file mode 100644
index 0000000..1b91783
--- /dev/null
+++ b/apps/blockchain-node/tests/conftest.py
@@ -0,0 +1,23 @@
+from __future__ import annotations
+
+import pytest
+from sqlmodel import SQLModel, Session, create_engine
+
+from aitbc_chain.models import Block, Transaction, Receipt  # noqa: F401 - ensure models imported for metadata
+
+
+@pytest.fixture(name="engine")
+def engine_fixture():
+    engine = create_engine("sqlite:///:memory:", connect_args={"check_same_thread": False})
+    SQLModel.metadata.create_all(engine)
+    try:
+        yield engine
+    finally:
+        SQLModel.metadata.drop_all(engine)
+
+
+@pytest.fixture(name="session")
+def session_fixture(engine):
+    with Session(engine) as session:
+        yield session
+        session.rollback()
diff --git a/apps/blockchain-node/tests/test_gossip_broadcast.py b/apps/blockchain-node/tests/test_gossip_broadcast.py
new file mode 100644
index 0000000..28905c7
--- /dev/null
+++ b/apps/blockchain-node/tests/test_gossip_broadcast.py
@@ -0,0 +1,76 @@
+from __future__ import annotations
+
+import asyncio
+
+import pytest
+from fastapi.testclient import TestClient
+
+from aitbc_chain.app import create_app
+from aitbc_chain.gossip import BroadcastGossipBackend, InMemoryGossipBackend, gossip_broker
+
+
+@pytest.fixture(autouse=True)
+async def reset_broker_backend():
+    previous_backend = InMemoryGossipBackend()
+    await gossip_broker.set_backend(previous_backend)
+    yield
+    await gossip_broker.set_backend(InMemoryGossipBackend())
+
+
+def _run_in_thread(fn):
+    loop = asyncio.get_event_loop()
+    return loop.run_in_executor(None, fn)
+
+
+@pytest.mark.asyncio
+async def test_websocket_fanout_with_broadcast_backend():
+    backend = BroadcastGossipBackend("memory://")
+    await gossip_broker.set_backend(backend)
+
+    app = create_app()
+
+    loop = asyncio.get_running_loop()
+
+    def _sync_test() -> None:
+        with TestClient(app) as client:
+            with client.websocket_connect("/rpc/ws/transactions") as ws_a, client.websocket_connect(
+                "/rpc/ws/transactions"
+            ) as ws_b:
+                payload = {
+                    "tx_hash": "0x01",
+                    "sender": "alice",
+                    "recipient": "bob",
+                    "payload": {"amount": 1},
+                    "nonce": 0,
+                    "fee": 0,
+                    "type": "TRANSFER",
+                }
+                fut = asyncio.run_coroutine_threadsafe(gossip_broker.publish("transactions", payload), loop)
+                fut.result(timeout=5.0)
+                assert ws_a.receive_json() == payload
+                assert ws_b.receive_json() == payload
+
+    await _run_in_thread(_sync_test)
+
+
+@pytest.mark.asyncio
+async def test_broadcast_backend_decodes_cursorless_payload():
+    backend = BroadcastGossipBackend("memory://")
+    await gossip_broker.set_backend(backend)
+
+    app = create_app()
+
+    loop = asyncio.get_running_loop()
+
+    def _sync_test() -> None:
+        with TestClient(app) as client:
+            with client.websocket_connect("/rpc/ws/blocks") as ws:
+                payload = [
+                    {"height": 1, "hash": "0xabc"},
+                    {"height": 2, "hash": "0xdef"},
+                ]
+                fut = asyncio.run_coroutine_threadsafe(gossip_broker.publish("blocks", payload), loop)
+                fut.result(timeout=5.0)
+                assert ws.receive_json() == payload
+
+    await _run_in_thread(_sync_test)
diff --git a/apps/blockchain-node/tests/test_models.py b/apps/blockchain-node/tests/test_models.py
new file mode 100644
index 0000000..a8cf218
--- /dev/null
+++ b/apps/blockchain-node/tests/test_models.py
@@ -0,0 +1,92 @@
+from __future__ import annotations
+
+import pytest
+from sqlmodel import Session
+
+from aitbc_chain.models import Block, Transaction, Receipt
+
+
+def _insert_block(session: Session, height: int = 0) -> Block:
+    block = Block(
+        height=height,
+        hash=f"0x{'0'*63}{height}",
+        parent_hash="0x" + "0" * 64,
+        proposer="validator",
+        tx_count=0,
+    )
+    session.add(block)
+    session.commit()
+    session.refresh(block)
+    return block
+
+
+def test_relationships(session: Session) -> None:
+    block = _insert_block(session, height=1)
+
+    tx = Transaction(
+        tx_hash="0x" + "1" * 64,
+        block_height=block.height,
+        sender="alice",
+        recipient="bob",
+        payload={"foo": "bar"},
+    )
+    receipt = Receipt(
+        job_id="job-1",
+        receipt_id="0x" + "2" * 64,
+        block_height=block.height,
+        payload={},
+        miner_signature={},
+        coordinator_attestations=[],
+    )
+    session.add(tx)
+    session.add(receipt)
+    session.commit()
+    session.refresh(tx)
+    session.refresh(receipt)
+
+    assert tx.block is not None
+    assert tx.block.hash == block.hash
+    assert receipt.block is not None
+    assert receipt.block.hash == block.hash
+
+
+def test_hash_validation_accepts_hex(session: Session) -> None:
+    block = Block(
+        height=10,
+        hash="0x" + "a" * 64,
+        parent_hash="0x" + "b" * 64,
+        proposer="validator",
+    )
+    session.add(block)
+    session.commit()
+    session.refresh(block)
+
+    assert block.hash.startswith("0x")
+    assert block.parent_hash.startswith("0x")
+
+
+def test_hash_validation_rejects_non_hex(session: Session) -> None:
+    with pytest.raises(ValueError):
+        Block(
+            height=20,
+            hash="not-hex",
+            parent_hash="0x" + "c" * 64,
+            proposer="validator",
+        )
+
+    with pytest.raises(ValueError):
+        Transaction(
+            tx_hash="bad",
+            sender="alice",
+            recipient="bob",
+            payload={},
+        )
+
+    with pytest.raises(ValueError):
+        Receipt(
+            job_id="job",
+            receipt_id="oops",
+            payload={},
+            miner_signature={},
+            coordinator_attestations=[],
+        )
diff --git a/apps/blockchain-node/tests/test_websocket.py b/apps/blockchain-node/tests/test_websocket.py
new file mode 100644
index 0000000..ceaecd1
--- /dev/null
+++ b/apps/blockchain-node/tests/test_websocket.py
@@ -0,0 +1,46 @@
+from __future__ import annotations
+
+import asyncio
+
+from fastapi.testclient import TestClient
+
+from aitbc_chain.app import create_app
+from aitbc_chain.gossip import gossip_broker
+
+
+def _publish(topic: str, message: dict) -> None:
+    asyncio.run(gossip_broker.publish(topic, message))
+
+
+def test_blocks_websocket_stream() -> None:
+    client = TestClient(create_app())
+
+    with client.websocket_connect("/rpc/ws/blocks") as websocket:
+        payload = {
+            "height": 1,
+            "hash": "0x" + "1" * 64,
+            "parent_hash": "0x" + "0" * 64,
+            "timestamp": "2025-01-01T00:00:00Z",
+            "tx_count": 2,
+        }
+        _publish("blocks", payload)
+        message = websocket.receive_json()
+        assert message == payload
+
+
+def test_transactions_websocket_stream() -> None:
+    client = TestClient(create_app())
+
+    with client.websocket_connect("/rpc/ws/transactions") as websocket:
+        payload = {
+            "tx_hash": "0x" + "a" * 64,
+            "sender": "alice",
+            "recipient": "bob",
+            "payload": {"amount": 1},
+            "nonce": 1,
+            "fee": 0,
+            "type": "TRANSFER",
+        }
+        _publish("transactions", payload)
+        message = websocket.receive_json()
+        assert message == payload
diff --git a/apps/explorer-web/public/css/layout.css b/apps/explorer-web/public/css/layout.css
index e3a6bf9..84246f6 100644
--- a/apps/explorer-web/public/css/layout.css
+++ b/apps/explorer-web/public/css/layout.css
@@ -6,6 +6,45 @@
   z-index: 1000;
 }
 
+@media (max-width: 600px) {
+  .page {
+    padding: 1.5rem 1rem 3rem;
+  }
+
+  .site-header__inner {
+    flex-direction: column;
+    align-items: flex-start;
+  }
+
+  .site-header__controls {
+    align-items: stretch;
+    gap: 0.5rem;
+  }
+
+  .site-header__nav {
+    gap: 0.5rem;
+  }
+
+  .site-header__nav a {
+    flex: 1 1 45%;
+    text-align: center;
+  }
+
+  .addresses__input-group,
+  .receipts__input-group {
+    flex-direction: column;
+  }
+
+  .toast-container {
+    left: 0;
+    right: 0;
+    top: auto;
+    bottom: 1rem;
+    width: min(90vw, 360px);
+    margin: 0 auto;
+  }
+}
+
 .site-header__inner {
   margin: 0 auto;
   max-width: 1200px;
@@ -80,6 +119,37 @@
   padding: 2rem 1.5rem 4rem;
 }
 
+.toast-container {
+  position: fixed;
+  top: 1.25rem;
+  right: 1.25rem;
+  display: grid;
+  gap: 0.75rem;
+  z-index: 1200;
+}
+
+.toast {
+  opacity: 0;
+  transform: translateY(-6px);
+  transition: opacity 150ms ease, transform 180ms ease;
+  border-radius: 0.75rem;
+  padding: 0.75rem 1rem;
+  font-size: 0.9rem;
+  min-width: 220px;
+}
+
+.toast--error {
+  background: rgba(255, 102, 102, 0.16);
+  border: 1px solid rgba(255, 102, 102, 0.35);
+  color: #ffd3d3;
+  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
+}
+
+.toast.is-visible {
+  opacity: 1;
+  transform: translateY(0px);
+}
+
 @media (max-width: 768px) {
   .site-header__inner {
     justify-content: space-between;
diff --git a/apps/explorer-web/src/components/notifications.ts b/apps/explorer-web/src/components/notifications.ts
new file mode 100644
index 0000000..d7e87d5
--- /dev/null
+++ b/apps/explorer-web/src/components/notifications.ts
@@ -0,0 +1,34 @@
+const TOAST_DURATION_MS = 4000;
+
+let container: HTMLDivElement | null = null;
+
+export function initNotifications(): void {
+  if (!container) {
+    container = document.createElement("div");
+    container.className = "toast-container";
+    document.body.appendChild(container);
+  }
+}
+
+export function notifyError(message: string): void {
+  if (!container) {
+    initNotifications();
+  }
+  if (!container) {
+    return;
+  }
+
+  const toast = document.createElement("div");
+  toast.className = "toast toast--error";
+  toast.textContent = message;
+  container.appendChild(toast);
+
+  requestAnimationFrame(() => {
+    toast.classList.add("is-visible");
+  });
+
+  setTimeout(() => {
+    toast.classList.remove("is-visible");
+    setTimeout(() => toast.remove(), 250);
+  }, TOAST_DURATION_MS);
+}
diff --git a/apps/explorer-web/src/lib/mockData.ts b/apps/explorer-web/src/lib/mockData.ts
index 57d3d33..759f929 100644
--- a/apps/explorer-web/src/lib/mockData.ts
+++ b/apps/explorer-web/src/lib/mockData.ts
@@ -1,4 +1,5 @@
 import { CONFIG, type DataMode } from "../config";
+import { notifyError } from "../components/notifications";
 import type {
   BlockListResponse,
   TransactionListResponse,
@@ -35,6 +36,7 @@ export async function fetchBlocks(): Promise<BlockSummary[]> {
     return data.items;
   } catch (error) {
     console.warn("[Explorer] Failed to fetch live block data", error);
+    notifyError("Unable to load live block data. Displaying placeholders.");
     return [];
   }
 }
@@ -54,6 +56,7 @@ export async function fetchTransactions(): Promise<TransactionSummary[]> {
     return data.items;
   } catch (error) {
     console.warn("[Explorer] Failed to fetch live transaction data", error);
+    notifyError("Unable to load live transaction data. Displaying placeholders.");
     return [];
   }
 }
@@ -73,6 +76,7 @@ export async function fetchAddresses(): Promise<AddressSummary[]> {
     return Array.isArray(data) ? data : data.items;
   } catch (error) {
     console.warn("[Explorer] Failed to fetch live address data", error);
+    notifyError("Unable to load live address data. Displaying placeholders.");
     return [];
   }
 }
@@ -92,6 +96,7 @@ export async function fetchReceipts(): Promise<ReceiptSummary[]> {
     return data.items;
   } catch (error) {
     console.warn("[Explorer] Failed to fetch live receipt data", error);
+    notifyError("Unable to load live receipt data. Displaying placeholders.");
     return [];
   }
 }
@@ -107,6 +112,7 @@ async function fetchMock<T>(resource: string): Promise<T> {
     return (await response.json()) as T;
   } catch (error) {
     console.warn(`[Explorer] Failed to fetch mock data from ${url}`, error);
+    notifyError("Mock data is unavailable. Please verify development assets.");
     return [] as unknown as T;
   }
 }
diff --git a/apps/explorer-web/src/main.ts b/apps/explorer-web/src/main.ts
index 46c4efd..d51540b 100644
--- a/apps/explorer-web/src/main.ts
+++ b/apps/explorer-web/src/main.ts
@@ -10,6 +10,7 @@ import { addressesTitle, renderAddressesPage, initAddressesPage } from "./pages/
 import { receiptsTitle, renderReceiptsPage, initReceiptsPage } from "./pages/receipts";
 import { initDataModeToggle } from "./components/dataModeToggle";
 import { getDataMode } from "./lib/mockData";
+import { initNotifications } from "./components/notifications";
 
 type PageConfig = {
   title: string;
@@ -49,14 +50,13 @@ const routes: Record<string, PageConfig> = {
 };
 
 function render(): void {
+  initNotifications();
   const root = document.querySelector<HTMLDivElement>("#app");
   if (!root) {
     console.warn("[Explorer] Missing #app root element");
     return;
   }
 
-  document.documentElement.dataset.mode = getDataMode();
-
   const currentPath = window.location.pathname.replace(/\/$/, "");
   const normalizedPath = currentPath === "" ? "/" : currentPath;
   const page = routes[normalizedPath] ?? null;
diff --git a/apps/explorer-web/src/pages/overview.ts b/apps/explorer-web/src/pages/overview.ts
index a00c82d..ad6dae8 100644
--- a/apps/explorer-web/src/pages/overview.ts
+++ b/apps/explorer-web/src/pages/overview.ts
@@ -40,7 +40,6 @@ export async function initOverviewPage(): Promise<void> {
     fetchTransactions(),
     fetchReceipts(),
   ]);
-
   const blockStats = document.querySelector<HTMLUListElement>(
     "#overview-block-stats",
   );
@@ -54,13 +53,12 @@ export async function initOverviewPage(): Promise<void> {
         <li><strong>Time:</strong> ${new Date(latest.timestamp).toLocaleString()}</li>
       `;
     } else {
-      blockStats.innerHTML = `<li class="placeholder">No mock block data available.</li>`;
+      blockStats.innerHTML = `
+        <li class="placeholder">No blocks available. Try switching data mode.</li>
+      `;
     }
   }
-
-  const txStats = document.querySelector<HTMLUListElement>(
-    "#overview-transaction-stats",
-  );
+  const txStats = document.querySelector<HTMLUListElement>("#overview-transaction-stats");
   if (txStats) {
     if (transactions.length > 0) {
       const succeeded = transactions.filter((tx) => tx.status === "Succeeded");
@@ -70,7 +68,7 @@ export async function initOverviewPage(): Promise<void> {
         <li><strong>Pending:</strong> ${transactions.length - succeeded.length}</li>
       `;
     } else {
-      txStats.innerHTML = `<li class="placeholder">No mock transaction data available.</li>`;
+      txStats.innerHTML = `<li class="placeholder">No transactions available. Try switching data mode.</li>`;
     }
   }
 
@@ -86,7 +84,7 @@ export async function initOverviewPage(): Promise<void> {
         <li><strong>Pending:</strong> ${receipts.length - attested.length}</li>
       `;
     } else {
-      receiptStats.innerHTML = `<li class="placeholder">No mock receipt data available.</li>`;
+      receiptStats.innerHTML = `<li class="placeholder">No receipts available. Try switching data mode.</li>`;
     }
   }
 }
diff --git a/apps/pool-hub/migrations/env.py b/apps/pool-hub/migrations/env.py
new file mode 100644
index 0000000..f6f47f6
--- /dev/null
+++ b/apps/pool-hub/migrations/env.py
@@ -0,0 +1,47 @@
+from __future__ import annotations
+
+import asyncio
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy.ext.asyncio import AsyncEngine, create_async_engine
+
+from poolhub.models import Base
+from poolhub.settings import settings
+
+config = context.config
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+target_metadata = Base.metadata
+
+
+def _configure_context(connection=None, *, url: str | None = None) -> None:
+    context.configure(
+        connection=connection,
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+
+def run_migrations_offline() -> None:
+    _configure_context(url=settings.postgres_dsn)
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_migrations_online() -> None:
+    connectable = create_async_engine(settings.postgres_dsn, pool_pre_ping=True)
+    async with connectable.connect() as connection:
+        await connection.run_sync(_configure_context)
+        await connection.run_sync(lambda conn: context.run_migrations())
+    await connectable.dispose()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    asyncio.run(run_migrations_online())
diff --git a/apps/pool-hub/migrations/versions/a58c1f3b3e87_initial_schema.py b/apps/pool-hub/migrations/versions/a58c1f3b3e87_initial_schema.py
new file mode 100644
index 0000000..4df8b1e
--- /dev/null
+++ b/apps/pool-hub/migrations/versions/a58c1f3b3e87_initial_schema.py
@@ -0,0 +1,104 @@
+"""initial schema
+
+Revision ID: a58c1f3b3e87
+Revises: 
+Create Date: 2025-09-27 12:07:40.000000
+
+"""
+
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = "a58c1f3b3e87"
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "miners",
+        sa.Column("miner_id", sa.String(length=64), primary_key=True),
+        sa.Column("api_key_hash", sa.String(length=128), nullable=False),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("NOW()")),
+        sa.Column("last_seen_at", sa.DateTime(timezone=True)),
+        sa.Column("addr", sa.String(length=256)),
+        sa.Column("proto", sa.String(length=32)),
+        sa.Column("gpu_vram_gb", sa.Float()),
+        sa.Column("gpu_name", sa.String(length=128)),
+        sa.Column("cpu_cores", sa.Integer()),
+        sa.Column("ram_gb", sa.Float()),
+        sa.Column("max_parallel", sa.Integer()),
+        sa.Column("base_price", sa.Float()),
+        sa.Column("tags", postgresql.JSONB(astext_type=sa.Text())),
+        sa.Column("capabilities", postgresql.JSONB(astext_type=sa.Text())),
+        sa.Column("trust_score", sa.Float(), server_default="0.5"),
+        sa.Column("region", sa.String(length=64)),
+    )
+
+    op.create_table(
+        "miner_status",
+        sa.Column("miner_id", sa.String(length=64), sa.ForeignKey("miners.miner_id", ondelete="CASCADE"), primary_key=True),
+        sa.Column("queue_len", sa.Integer(), server_default="0"),
+        sa.Column("busy", sa.Boolean(), server_default=sa.text("false")),
+        sa.Column("avg_latency_ms", sa.Integer()),
+        sa.Column("temp_c", sa.Integer()),
+        sa.Column("mem_free_gb", sa.Float()),
+        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("NOW()")),
+    )
+
+    op.create_table(
+        "match_requests",
+        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
+        sa.Column("job_id", sa.String(length=64), nullable=False),
+        sa.Column("requirements", postgresql.JSONB(astext_type=sa.Text()), nullable=False),
+        sa.Column("hints", postgresql.JSONB(astext_type=sa.Text()), server_default=sa.text("'{}'::jsonb")),
+        sa.Column("top_k", sa.Integer(), server_default="1"),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("NOW()")),
+    )
+
+    op.create_table(
+        "match_results",
+        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
+        sa.Column("request_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("match_requests.id", ondelete="CASCADE"), nullable=False),
+        sa.Column("miner_id", sa.String(length=64), nullable=False),
+        sa.Column("score", sa.Float(), nullable=False),
+        sa.Column("explain", sa.Text()),
+        sa.Column("eta_ms", sa.Integer()),
+        sa.Column("price", sa.Float()),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("NOW()")),
+    )
+    op.create_index("ix_match_results_request_id", "match_results", ["request_id"])
+
+    op.create_table(
+        "feedback",
+        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
+        sa.Column("job_id", sa.String(length=64), nullable=False),
+        sa.Column("miner_id", sa.String(length=64), sa.ForeignKey("miners.miner_id", ondelete="CASCADE"), nullable=False),
+        sa.Column("outcome", sa.String(length=32), nullable=False),
+        sa.Column("latency_ms", sa.Integer()),
+        sa.Column("fail_code", sa.String(length=64)),
+        sa.Column("tokens_spent", sa.Float()),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("NOW()")),
+    )
+    op.create_index("ix_feedback_miner_id", "feedback", ["miner_id"])
+    op.create_index("ix_feedback_job_id", "feedback", ["job_id"])
+
+
+def downgrade() -> None:
+    op.drop_index("ix_feedback_job_id", table_name="feedback")
+    op.drop_index("ix_feedback_miner_id", table_name="feedback")
+    op.drop_table("feedback")
+
+    op.drop_index("ix_match_results_request_id", table_name="match_results")
+    op.drop_table("match_results")
+
+    op.drop_table("match_requests")
+
+    op.drop_table("miner_status")
+
+    op.drop_table("miners")
diff --git a/apps/pool-hub/src/poolhub/__init__.py b/apps/pool-hub/src/poolhub/__init__.py
new file mode 100644
index 0000000..6684e59
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/__init__.py
@@ -0,0 +1,13 @@
+"""AITBC Pool Hub service package."""
+
+from .settings import Settings, settings
+from .database import create_engine, get_session
+from .redis_cache import get_redis
+
+__all__ = [
+    "Settings",
+    "settings",
+    "create_engine",
+    "get_session",
+    "get_redis",
+]
diff --git a/apps/pool-hub/src/poolhub/app/__init__.py b/apps/pool-hub/src/poolhub/app/__init__.py
new file mode 100644
index 0000000..e7c1cb1
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/app/__init__.py
@@ -0,0 +1,5 @@
+"""FastAPI application wiring for the AITBC Pool Hub."""
+
+from .main import create_app, app
+
+__all__ = ["create_app", "app"]
diff --git a/apps/pool-hub/src/poolhub/app/deps.py b/apps/pool-hub/src/poolhub/app/deps.py
new file mode 100644
index 0000000..356e420
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/app/deps.py
@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+from typing import AsyncGenerator
+
+from fastapi import Depends
+
+from ..database import get_session
+from ..redis_cache import get_redis
+
+
+def get_db_session() -> AsyncGenerator:
+    return get_session()
+
+
+def get_redis_client() -> AsyncGenerator:
+    return get_redis()
+
+
+# FastAPI dependency wrappers
+async def db_session_dep(session=Depends(get_session)):
+    async for s in session:
+        yield s
+
+
+async def redis_dep(client=Depends(get_redis)):
+    async for c in client:
+        yield c
diff --git a/apps/pool-hub/src/poolhub/app/main.py b/apps/pool-hub/src/poolhub/app/main.py
new file mode 100644
index 0000000..66ac4d6
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/app/main.py
@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI
+
+from ..database import close_engine, create_engine
+from ..redis_cache import close_redis, create_redis
+from ..settings import settings
+from .routers import health_router, match_router, metrics_router
+
+
+@asynccontextmanager
+async def lifespan(_: FastAPI):
+    create_engine()
+    create_redis()
+    try:
+        yield
+    finally:
+        await close_engine()
+        await close_redis()
+
+
+app = FastAPI(**settings.asgi_kwargs(), lifespan=lifespan)
+app.include_router(match_router, prefix="/v1")
+app.include_router(health_router)
+app.include_router(metrics_router)
+
+
+def create_app() -> FastAPI:
+    return app
diff --git a/apps/pool-hub/src/poolhub/app/prometheus.py b/apps/pool-hub/src/poolhub/app/prometheus.py
new file mode 100644
index 0000000..c0a3471
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/app/prometheus.py
@@ -0,0 +1,39 @@
+from __future__ import annotations
+
+from prometheus_client import CONTENT_TYPE_LATEST, Counter, Gauge, Histogram, generate_latest
+
+match_requests_total = Counter(
+    "poolhub_match_requests_total",
+    "Total number of match requests received",
+)
+match_candidates_returned = Counter(
+    "poolhub_match_candidates_total",
+    "Total number of candidates returned",
+)
+match_failures_total = Counter(
+    "poolhub_match_failures_total",
+    "Total number of match request failures",
+)
+match_latency_seconds = Histogram(
+    "poolhub_match_latency_seconds",
+    "Latency of match processing",
+    buckets=(0.01, 0.05, 0.1, 0.25, 0.5, 1.0, 2.5, 5.0),
+)
+miners_online_gauge = Gauge(
+    "poolhub_miners_online",
+    "Number of miners considered online",
+)
+
+
+def render_metrics() -> tuple[str, str]:
+    return generate_latest(), CONTENT_TYPE_LATEST
+
+
+def reset_metrics() -> None:
+    match_requests_total._value.set(0)  # type: ignore[attr-defined]
+    match_candidates_returned._value.set(0)  # type: ignore[attr-defined]
+    match_failures_total._value.set(0)  # type: ignore[attr-defined]
+    match_latency_seconds._sum.set(0)  # type: ignore[attr-defined]
+    match_latency_seconds._count.set(0)  # type: ignore[attr-defined]
+    match_latency_seconds._samples = []  # type: ignore[attr-defined]
+    miners_online_gauge._value.set(0)  # type: ignore[attr-defined]
diff --git a/apps/pool-hub/src/poolhub/app/routers/__init__.py b/apps/pool-hub/src/poolhub/app/routers/__init__.py
new file mode 100644
index 0000000..065f703
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/app/routers/__init__.py
@@ -0,0 +1,7 @@
+"""FastAPI routers for Pool Hub."""
+
+from .match import router as match_router
+from .health import router as health_router
+from .metrics import router as metrics_router
+
+__all__ = ["match_router", "health_router", "metrics_router"]
diff --git a/apps/pool-hub/src/poolhub/app/routers/health.py b/apps/pool-hub/src/poolhub/app/routers/health.py
new file mode 100644
index 0000000..dabc570
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/app/routers/health.py
@@ -0,0 +1,50 @@
+from __future__ import annotations
+
+from fastapi import APIRouter, Depends
+from redis.asyncio import Redis
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from ..deps import db_session_dep, redis_dep
+from ..prometheus import miners_online_gauge
+from poolhub.repositories.miner_repository import MinerRepository
+from ..schemas import HealthResponse
+
+router = APIRouter(tags=["health"], prefix="/v1")
+
+
+@router.get("/health", response_model=HealthResponse, summary="Pool Hub health status")
+async def health_endpoint(
+    session: AsyncSession = Depends(db_session_dep),
+    redis: Redis = Depends(redis_dep),
+) -> HealthResponse:
+    db_ok = True
+    redis_ok = True
+    db_error: str | None = None
+    redis_error: str | None = None
+
+    try:
+        await session.execute("SELECT 1")
+    except Exception as exc:  # pragma: no cover
+        db_ok = False
+        db_error = str(exc)
+
+    try:
+        await redis.ping()
+    except Exception as exc:  # pragma: no cover
+        redis_ok = False
+        redis_error = str(exc)
+
+    miner_repo = MinerRepository(session, redis)
+    active_miners = await miner_repo.list_active_miners()
+    miners_online = len(active_miners)
+    miners_online_gauge.set(miners_online)
+
+    status = "ok" if db_ok and redis_ok else "degraded"
+    return HealthResponse(
+        status=status,
+        db=db_ok,
+        redis=redis_ok,
+        miners_online=miners_online,
+        db_error=db_error,
+        redis_error=redis_error,
+    )
diff --git a/apps/pool-hub/src/poolhub/app/routers/match.py b/apps/pool-hub/src/poolhub/app/routers/match.py
new file mode 100644
index 0000000..16e85cf
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/app/routers/match.py
@@ -0,0 +1,116 @@
+from __future__ import annotations
+
+import time
+from typing import Any, Dict, List
+
+from fastapi import APIRouter, Depends, HTTPException, status
+from redis.asyncio import Redis
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from ..deps import db_session_dep, redis_dep
+from ..prometheus import (
+    match_candidates_returned,
+    match_failures_total,
+    match_latency_seconds,
+    match_requests_total,
+)
+from poolhub.repositories.match_repository import MatchRepository
+from poolhub.repositories.miner_repository import MinerRepository
+from ..schemas import MatchCandidate, MatchRequestPayload, MatchResponse
+
+router = APIRouter(tags=["match"])
+
+
+def _normalize_requirements(requirements: Dict[str, Any]) -> Dict[str, Any]:
+    return requirements or {}
+
+
+def _candidate_from_payload(payload: Dict[str, Any]) -> MatchCandidate:
+    return MatchCandidate(**payload)
+
+
+@router.post("/match", response_model=MatchResponse, summary="Find top miners for a job")
+async def match_endpoint(
+    payload: MatchRequestPayload,
+    session: AsyncSession = Depends(db_session_dep),
+    redis: Redis = Depends(redis_dep),
+) -> MatchResponse:
+    start = time.perf_counter()
+    match_requests_total.inc()
+
+    miner_repo = MinerRepository(session, redis)
+    match_repo = MatchRepository(session, redis)
+
+    requirements = _normalize_requirements(payload.requirements)
+    top_k = payload.top_k
+
+    try:
+        request = await match_repo.create_request(
+            job_id=payload.job_id,
+            requirements=requirements,
+            hints=payload.hints,
+            top_k=top_k,
+        )
+
+        active_miners = await miner_repo.list_active_miners()
+        candidates = _select_candidates(requirements, payload.hints, active_miners, top_k)
+
+        await match_repo.add_results(
+            request_id=request.id,
+            candidates=candidates,
+        )
+
+        match_candidates_returned.inc(len(candidates))
+        duration = time.perf_counter() - start
+        match_latency_seconds.observe(duration)
+
+        return MatchResponse(
+            job_id=payload.job_id,
+            candidates=[_candidate_from_payload(candidate) for candidate in candidates],
+        )
+    except Exception as exc:  # pragma: no cover - safeguards unexpected failures
+        match_failures_total.inc()
+        raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="match_failed") from exc
+
+
+def _select_candidates(
+    requirements: Dict[str, Any],
+    hints: Dict[str, Any],
+    active_miners: List[tuple],
+    top_k: int,
+) -> List[Dict[str, Any]]:
+    min_vram = float(requirements.get("min_vram_gb", 0))
+    min_ram = float(requirements.get("min_ram_gb", 0))
+    capabilities_required = set(requirements.get("capabilities_any", []))
+    region_hint = hints.get("region")
+
+    ranked: List[Dict[str, Any]] = []
+    for miner, status, score in active_miners:
+        if miner.gpu_vram_gb and miner.gpu_vram_gb < min_vram:
+            continue
+        if miner.ram_gb and miner.ram_gb < min_ram:
+            continue
+        if capabilities_required and not capabilities_required.issubset(set(miner.capabilities or [])):
+            continue
+        if region_hint and miner.region and miner.region != region_hint:
+            continue
+
+        candidate = {
+            "miner_id": miner.miner_id,
+            "addr": miner.addr,
+            "proto": miner.proto,
+            "score": float(score),
+            "explain": _compose_explain(score, miner, status),
+            "eta_ms": status.avg_latency_ms if status else None,
+            "price": miner.base_price,
+        }
+        ranked.append(candidate)
+
+    ranked.sort(key=lambda item: item["score"], reverse=True)
+    return ranked[:top_k]
+
+
+def _compose_explain(score: float, miner, status) -> str:
+    load = status.queue_len if status else 0
+    latency = status.avg_latency_ms if status else "n/a"
+    return f"score={score:.3f} load={load} latency={latency}"
diff --git a/apps/pool-hub/src/poolhub/app/routers/metrics.py b/apps/pool-hub/src/poolhub/app/routers/metrics.py
new file mode 100644
index 0000000..ff2dc05
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/app/routers/metrics.py
@@ -0,0 +1,13 @@
+from __future__ import annotations
+
+from fastapi import APIRouter, Response
+
+from ..prometheus import render_metrics
+
+router = APIRouter(tags=["metrics"])
+
+
+@router.get("/metrics", summary="Prometheus metrics")
+async def metrics_endpoint() -> Response:
+    payload, content_type = render_metrics()
+    return Response(content=payload, media_type=content_type)
diff --git a/apps/pool-hub/src/poolhub/app/schemas.py b/apps/pool-hub/src/poolhub/app/schemas.py
new file mode 100644
index 0000000..6f2ebd7
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/app/schemas.py
@@ -0,0 +1,40 @@
+from __future__ import annotations
+
+from typing import Any, Dict, List, Optional
+
+from pydantic import BaseModel, Field
+
+
+class MatchRequestPayload(BaseModel):
+    job_id: str
+    requirements: Dict[str, Any] = Field(default_factory=dict)
+    hints: Dict[str, Any] = Field(default_factory=dict)
+    top_k: int = Field(default=1, ge=1, le=50)
+
+
+class MatchCandidate(BaseModel):
+    miner_id: str
+    addr: str
+    proto: str
+    score: float
+    explain: Optional[str] = None
+    eta_ms: Optional[int] = None
+    price: Optional[float] = None
+
+
+class MatchResponse(BaseModel):
+    job_id: str
+    candidates: List[MatchCandidate]
+
+
+class HealthResponse(BaseModel):
+    status: str
+    db: bool
+    redis: bool
+    miners_online: int
+    db_error: Optional[str] = None
+    redis_error: Optional[str] = None
+
+
+class MetricsResponse(BaseModel):
+    detail: str = "Prometheus metrics output"
diff --git a/apps/pool-hub/src/poolhub/database.py b/apps/pool-hub/src/poolhub/database.py
new file mode 100644
index 0000000..963e0c6
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/database.py
@@ -0,0 +1,54 @@
+from __future__ import annotations
+
+from collections.abc import AsyncGenerator
+
+from sqlalchemy.ext.asyncio import AsyncEngine, AsyncSession, async_sessionmaker, create_async_engine
+
+from .settings import settings
+
+_engine: AsyncEngine | None = None
+_session_factory: async_sessionmaker[AsyncSession] | None = None
+
+
+def create_engine() -> AsyncEngine:
+    global _engine, _session_factory
+    if _engine is None:
+        _engine = create_async_engine(
+            settings.postgres_dsn,
+            pool_size=settings.postgres_pool_max,
+            max_overflow=0,
+            pool_pre_ping=True,
+        )
+        _session_factory = async_sessionmaker(
+            bind=_engine,
+            expire_on_commit=False,
+            autoflush=False,
+        )
+    return _engine
+
+
+def get_engine() -> AsyncEngine:
+    if _engine is None:
+        return create_engine()
+    return _engine
+
+
+def get_session_factory() -> async_sessionmaker[AsyncSession]:
+    if _session_factory is None:
+        create_engine()
+    assert _session_factory is not None
+    return _session_factory
+
+
+async def get_session() -> AsyncGenerator[AsyncSession, None]:
+    session_factory = get_session_factory()
+    async with session_factory() as session:
+        yield session
+
+
+async def close_engine() -> None:
+    global _engine
+    if _engine is not None:
+        await _engine.dispose()
+        _engine = None
+
diff --git a/apps/pool-hub/src/poolhub/models.py b/apps/pool-hub/src/poolhub/models.py
new file mode 100644
index 0000000..cc2a45a
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/models.py
@@ -0,0 +1,95 @@
+from __future__ import annotations
+
+import datetime as dt
+from typing import Dict, List, Optional
+
+from sqlalchemy import Boolean, Column, DateTime, Float, ForeignKey, Integer, String, Text
+from sqlalchemy.dialects.postgresql import JSONB, UUID as PGUUID
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, relationship
+from uuid import uuid4
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+class Miner(Base):
+    __tablename__ = "miners"
+
+    miner_id: Mapped[str] = mapped_column(String(64), primary_key=True)
+    api_key_hash: Mapped[str] = mapped_column(String(128), nullable=False)
+    created_at: Mapped[dt.datetime] = mapped_column(DateTime(timezone=True), default=dt.datetime.utcnow)
+    last_seen_at: Mapped[Optional[dt.datetime]] = mapped_column(DateTime(timezone=True))
+    addr: Mapped[str] = mapped_column(String(256))
+    proto: Mapped[str] = mapped_column(String(32))
+    gpu_vram_gb: Mapped[float] = mapped_column(Float)
+    gpu_name: Mapped[Optional[str]] = mapped_column(String(128))
+    cpu_cores: Mapped[int] = mapped_column(Integer)
+    ram_gb: Mapped[float] = mapped_column(Float)
+    max_parallel: Mapped[int] = mapped_column(Integer)
+    base_price: Mapped[float] = mapped_column(Float)
+    tags: Mapped[Dict[str, str]] = mapped_column(JSONB, default=dict)
+    capabilities: Mapped[List[str]] = mapped_column(JSONB, default=list)
+    trust_score: Mapped[float] = mapped_column(Float, default=0.5)
+    region: Mapped[Optional[str]] = mapped_column(String(64))
+
+    status: Mapped["MinerStatus"] = relationship(back_populates="miner", cascade="all, delete-orphan", uselist=False)
+    feedback: Mapped[List["Feedback"]] = relationship(back_populates="miner", cascade="all, delete-orphan")
+
+
+class MinerStatus(Base):
+    __tablename__ = "miner_status"
+
+    miner_id: Mapped[str] = mapped_column(ForeignKey("miners.miner_id", ondelete="CASCADE"), primary_key=True)
+    queue_len: Mapped[int] = mapped_column(Integer, default=0)
+    busy: Mapped[bool] = mapped_column(Boolean, default=False)
+    avg_latency_ms: Mapped[Optional[int]] = mapped_column(Integer)
+    temp_c: Mapped[Optional[int]] = mapped_column(Integer)
+    mem_free_gb: Mapped[Optional[float]] = mapped_column(Float)
+    updated_at: Mapped[dt.datetime] = mapped_column(DateTime(timezone=True), default=dt.datetime.utcnow, onupdate=dt.datetime.utcnow)
+
+    miner: Mapped[Miner] = relationship(back_populates="status")
+
+
+class MatchRequest(Base):
+    __tablename__ = "match_requests"
+
+    id: Mapped[PGUUID] = mapped_column(PGUUID(as_uuid=True), primary_key=True, default=uuid4)
+    job_id: Mapped[str] = mapped_column(String(64), nullable=False)
+    requirements: Mapped[Dict[str, object]] = mapped_column(JSONB, nullable=False)
+    hints: Mapped[Dict[str, object]] = mapped_column(JSONB, default=dict)
+    top_k: Mapped[int] = mapped_column(Integer, default=1)
+    created_at: Mapped[dt.datetime] = mapped_column(DateTime(timezone=True), default=dt.datetime.utcnow)
+
+    results: Mapped[List["MatchResult"]] = relationship(back_populates="request", cascade="all, delete-orphan")
+
+
+class MatchResult(Base):
+    __tablename__ = "match_results"
+
+    id: Mapped[PGUUID] = mapped_column(PGUUID(as_uuid=True), primary_key=True, default=uuid4)
+    request_id: Mapped[PGUUID] = mapped_column(ForeignKey("match_requests.id", ondelete="CASCADE"), index=True)
+    miner_id: Mapped[str] = mapped_column(String(64))
+    score: Mapped[float] = mapped_column(Float)
+    explain: Mapped[Optional[str]] = mapped_column(Text)
+    eta_ms: Mapped[Optional[int]] = mapped_column(Integer)
+    price: Mapped[Optional[float]] = mapped_column(Float)
+
+    created_at: Mapped[dt.datetime] = mapped_column(DateTime(timezone=True), default=dt.datetime.utcnow)
+
+    request: Mapped[MatchRequest] = relationship(back_populates="results")
+
+
+class Feedback(Base):
+    __tablename__ = "feedback"
+
+    id: Mapped[PGUUID] = mapped_column(PGUUID(as_uuid=True), primary_key=True, default=uuid4)
+    job_id: Mapped[str] = mapped_column(String(64), nullable=False)
+    miner_id: Mapped[str] = mapped_column(ForeignKey("miners.miner_id", ondelete="CASCADE"), nullable=False)
+    outcome: Mapped[str] = mapped_column(String(32), nullable=False)
+    latency_ms: Mapped[Optional[int]] = mapped_column(Integer)
+    fail_code: Mapped[Optional[str]] = mapped_column(String(64))
+    tokens_spent: Mapped[Optional[float]] = mapped_column(Float)
+    created_at: Mapped[dt.datetime] = mapped_column(DateTime(timezone=True), default=dt.datetime.utcnow)
+
+    miner: Mapped[Miner] = relationship(back_populates="feedback")
diff --git a/apps/pool-hub/src/poolhub/redis_cache.py b/apps/pool-hub/src/poolhub/redis_cache.py
new file mode 100644
index 0000000..4cf6e36
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/redis_cache.py
@@ -0,0 +1,39 @@
+from __future__ import annotations
+
+from collections.abc import AsyncGenerator
+
+import redis.asyncio as redis
+
+from .settings import settings
+
+_redis_client: redis.Redis | None = None
+
+
+def create_redis() -> redis.Redis:
+    global _redis_client
+    if _redis_client is None:
+        _redis_client = redis.from_url(
+            settings.redis_url,
+            max_connections=settings.redis_max_connections,
+            encoding="utf-8",
+            decode_responses=True,
+        )
+    return _redis_client
+
+
+def get_redis_client() -> redis.Redis:
+    if _redis_client is None:
+        return create_redis()
+    return _redis_client
+
+
+async def get_redis() -> AsyncGenerator[redis.Redis, None]:
+    client = get_redis_client()
+    yield client
+
+
+async def close_redis() -> None:
+    global _redis_client
+    if _redis_client is not None:
+        await _redis_client.close()
+        _redis_client = None
diff --git a/apps/pool-hub/src/poolhub/repositories/__init__.py b/apps/pool-hub/src/poolhub/repositories/__init__.py
new file mode 100644
index 0000000..c40219c
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/repositories/__init__.py
@@ -0,0 +1,11 @@
+"""Repository layer for Pool Hub."""
+
+from .miner_repository import MinerRepository
+from .match_repository import MatchRepository
+from .feedback_repository import FeedbackRepository
+
+__all__ = [
+    "MinerRepository",
+    "MatchRepository",
+    "FeedbackRepository",
+]
diff --git a/apps/pool-hub/src/poolhub/repositories/feedback_repository.py b/apps/pool-hub/src/poolhub/repositories/feedback_repository.py
new file mode 100644
index 0000000..1fe419e
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/repositories/feedback_repository.py
@@ -0,0 +1,81 @@
+from __future__ import annotations
+
+import datetime as dt
+import json
+import logging
+from typing import Iterable, List, Optional
+from uuid import UUID
+
+from redis.asyncio import Redis
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from ..models import Feedback
+from ..storage.redis_keys import RedisKeys
+
+logger = logging.getLogger(__name__)
+
+
+class FeedbackRepository:
+    """Persists coordinator feedback and emits Redis notifications."""
+
+    def __init__(self, session: AsyncSession, redis: Redis) -> None:
+        self._session = session
+        self._redis = redis
+
+    async def add_feedback(
+        self,
+        *,
+        job_id: str,
+        miner_id: str,
+        outcome: str,
+        latency_ms: Optional[int] = None,
+        fail_code: Optional[str] = None,
+        tokens_spent: Optional[float] = None,
+    ) -> Feedback:
+        feedback = Feedback(
+            job_id=job_id,
+            miner_id=miner_id,
+            outcome=outcome,
+            latency_ms=latency_ms,
+            fail_code=fail_code,
+            tokens_spent=tokens_spent,
+            created_at=dt.datetime.utcnow(),
+        )
+        self._session.add(feedback)
+        await self._session.flush()
+
+        payload = {
+            "job_id": job_id,
+            "miner_id": miner_id,
+            "outcome": outcome,
+            "latency_ms": latency_ms,
+            "fail_code": fail_code,
+            "tokens_spent": tokens_spent,
+            "created_at": feedback.created_at.isoformat() if feedback.created_at else None,
+        }
+        try:
+            await self._redis.publish(RedisKeys.feedback_channel(), json.dumps(payload))
+        except Exception as exc:  # pragma: no cover - defensive
+            logger.warning("Failed to publish feedback event for job %s: %s", job_id, exc)
+        return feedback
+
+    async def list_feedback_for_miner(self, miner_id: str, limit: int = 50) -> List[Feedback]:
+        stmt = (
+            select(Feedback)
+            .where(Feedback.miner_id == miner_id)
+            .order_by(Feedback.created_at.desc())
+            .limit(limit)
+        )
+        result = await self._session.execute(stmt)
+        return list(result.scalars().all())
+
+    async def list_feedback_for_job(self, job_id: str, limit: int = 50) -> List[Feedback]:
+        stmt = (
+            select(Feedback)
+            .where(Feedback.job_id == job_id)
+            .order_by(Feedback.created_at.desc())
+            .limit(limit)
+        )
+        result = await self._session.execute(stmt)
+        return list(result.scalars().all())
diff --git a/apps/pool-hub/src/poolhub/repositories/match_repository.py b/apps/pool-hub/src/poolhub/repositories/match_repository.py
new file mode 100644
index 0000000..a703a58
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/repositories/match_repository.py
@@ -0,0 +1,122 @@
+from __future__ import annotations
+
+import datetime as dt
+import json
+from typing import Iterable, List, Optional, Sequence
+from uuid import UUID
+
+from redis.asyncio import Redis
+from sqlalchemy import Select, select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from ..models import MatchRequest, MatchResult
+from ..storage.redis_keys import RedisKeys
+
+
+class MatchRepository:
+    """Handles match request logging, result persistence, and Redis fan-out."""
+
+    def __init__(self, session: AsyncSession, redis: Redis) -> None:
+        self._session = session
+        self._redis = redis
+
+    async def create_request(
+        self,
+        *,
+        job_id: str,
+        requirements: dict[str, object],
+        hints: Optional[dict[str, object]] = None,
+        top_k: int = 1,
+        enqueue: bool = True,
+    ) -> MatchRequest:
+        request = MatchRequest(
+            job_id=job_id,
+            requirements=requirements,
+            hints=hints or {},
+            top_k=top_k,
+            created_at=dt.datetime.utcnow(),
+        )
+        self._session.add(request)
+        await self._session.flush()
+
+        if enqueue:
+            payload = {
+                "request_id": str(request.id),
+                "job_id": request.job_id,
+                "requirements": request.requirements,
+                "hints": request.hints,
+                "top_k": request.top_k,
+            }
+            await self._redis.rpush(RedisKeys.match_requests(), json.dumps(payload))
+        return request
+
+    async def add_results(
+        self,
+        *,
+        request_id: UUID,
+        candidates: Sequence[dict[str, object]],
+        publish: bool = True,
+    ) -> List[MatchResult]:
+        results: List[MatchResult] = []
+        created_at = dt.datetime.utcnow()
+        for candidate in candidates:
+            result = MatchResult(
+                request_id=request_id,
+                miner_id=str(candidate.get("miner_id")),
+                score=float(candidate.get("score", 0.0)),
+                explain=candidate.get("explain"),
+                eta_ms=candidate.get("eta_ms"),
+                price=candidate.get("price"),
+                created_at=created_at,
+            )
+            self._session.add(result)
+            results.append(result)
+        await self._session.flush()
+
+        if publish:
+            request = await self._session.get(MatchRequest, request_id)
+            if request:
+                redis_key = RedisKeys.match_results(request.job_id)
+                await self._redis.delete(redis_key)
+                if results:
+                    payloads = [json.dumps(self._result_payload(result)) for result in results]
+                    await self._redis.rpush(redis_key, *payloads)
+                    await self._redis.expire(redis_key, 300)
+                    channel = RedisKeys.match_results_channel(request.job_id)
+                    for payload in payloads:
+                        await self._redis.publish(channel, payload)
+        return results
+
+    async def get_request(self, request_id: UUID) -> Optional[MatchRequest]:
+        return await self._session.get(MatchRequest, request_id)
+
+    async def list_recent_requests(self, limit: int = 20) -> List[MatchRequest]:
+        stmt: Select[MatchRequest] = (
+            select(MatchRequest)
+            .order_by(MatchRequest.created_at.desc())
+            .limit(limit)
+        )
+        result = await self._session.execute(stmt)
+        return list(result.scalars().all())
+
+    async def list_results_for_job(self, job_id: str, limit: int = 10) -> List[MatchResult]:
+        stmt: Select[MatchResult] = (
+            select(MatchResult)
+            .join(MatchRequest)
+            .where(MatchRequest.job_id == job_id)
+            .order_by(MatchResult.created_at.desc())
+            .limit(limit)
+        )
+        result = await self._session.execute(stmt)
+        return list(result.scalars().all())
+
+    def _result_payload(self, result: MatchResult) -> dict[str, object]:
+        return {
+            "request_id": str(result.request_id),
+            "miner_id": result.miner_id,
+            "score": result.score,
+            "explain": result.explain,
+            "eta_ms": result.eta_ms,
+            "price": result.price,
+            "created_at": result.created_at.isoformat() if result.created_at else None,
+        }
diff --git a/apps/pool-hub/src/poolhub/repositories/miner_repository.py b/apps/pool-hub/src/poolhub/repositories/miner_repository.py
new file mode 100644
index 0000000..9572704
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/repositories/miner_repository.py
@@ -0,0 +1,181 @@
+from __future__ import annotations
+
+import datetime as dt
+from typing import List, Optional, Tuple
+
+from redis.asyncio import Redis
+from sqlalchemy import select, update
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from ..models import Miner, MinerStatus
+from ..settings import settings
+from ..storage.redis_keys import RedisKeys
+
+
+class MinerRepository:
+    """Coordinates miner registry persistence across PostgreSQL and Redis."""
+
+    def __init__(self, session: AsyncSession, redis: Redis) -> None:
+        self._session = session
+        self._redis = redis
+
+    async def register_miner(
+        self,
+        miner_id: str,
+        api_key_hash: str,
+        *,
+        addr: str,
+        proto: str,
+        gpu_vram_gb: float,
+        gpu_name: Optional[str],
+        cpu_cores: int,
+        ram_gb: float,
+        max_parallel: int,
+        base_price: float,
+        tags: dict[str, str],
+        capabilities: list[str],
+        region: Optional[str],
+    ) -> Miner:
+        miner = await self._session.get(Miner, miner_id)
+        if miner is None:
+            miner = Miner(
+                miner_id=miner_id,
+                api_key_hash=api_key_hash,
+                addr=addr,
+                proto=proto,
+                gpu_vram_gb=gpu_vram_gb,
+                gpu_name=gpu_name,
+                cpu_cores=cpu_cores,
+                ram_gb=ram_gb,
+                max_parallel=max_parallel,
+                base_price=base_price,
+                tags=tags,
+                capabilities=capabilities,
+                region=region,
+            )
+            self._session.add(miner)
+            status = MinerStatus(miner_id=miner_id)
+            self._session.add(status)
+        else:
+            miner.addr = addr
+            miner.proto = proto
+            miner.gpu_vram_gb = gpu_vram_gb
+            miner.gpu_name = gpu_name
+            miner.cpu_cores = cpu_cores
+            miner.ram_gb = ram_gb
+            miner.max_parallel = max_parallel
+            miner.base_price = base_price
+            miner.tags = tags
+            miner.capabilities = capabilities
+            miner.region = region
+
+        miner.last_seen_at = dt.datetime.utcnow()
+
+        await self._session.flush()
+        await self._sync_miner_to_redis(miner_id)
+        return miner
+
+    async def update_status(
+        self,
+        miner_id: str,
+        *,
+        queue_len: Optional[int] = None,
+        busy: Optional[bool] = None,
+        avg_latency_ms: Optional[int] = None,
+        temp_c: Optional[int] = None,
+        mem_free_gb: Optional[float] = None,
+    ) -> None:
+        stmt = (
+            update(MinerStatus)
+            .where(MinerStatus.miner_id == miner_id)
+            .values(
+                {
+                    k: v
+                    for k, v in {
+                        "queue_len": queue_len,
+                        "busy": busy,
+                        "avg_latency_ms": avg_latency_ms,
+                        "temp_c": temp_c,
+                        "mem_free_gb": mem_free_gb,
+                        "updated_at": dt.datetime.utcnow(),
+                    }.items()
+                    if v is not None
+                }
+            )
+        )
+        await self._session.execute(stmt)
+
+        miner = await self._session.get(Miner, miner_id)
+        if miner:
+            miner.last_seen_at = dt.datetime.utcnow()
+        await self._session.flush()
+        await self._sync_miner_to_redis(miner_id)
+
+    async def touch_heartbeat(self, miner_id: str) -> None:
+        miner = await self._session.get(Miner, miner_id)
+        if miner is None:
+            return
+        miner.last_seen_at = dt.datetime.utcnow()
+        await self._session.flush()
+        await self._sync_miner_to_redis(miner_id)
+
+    async def get_miner(self, miner_id: str) -> Optional[Miner]:
+        return await self._session.get(Miner, miner_id)
+
+    async def iter_miners(self) -> List[Miner]:
+        result = await self._session.execute(select(Miner))
+        return list(result.scalars().all())
+
+    async def get_status(self, miner_id: str) -> Optional[MinerStatus]:
+        return await self._session.get(MinerStatus, miner_id)
+
+    async def list_active_miners(self) -> List[Tuple[Miner, Optional[MinerStatus], float]]:
+        stmt = select(Miner, MinerStatus).join(MinerStatus, MinerStatus.miner_id == Miner.miner_id, isouter=True)
+        result = await self._session.execute(stmt)
+        records: List[Tuple[Miner, Optional[MinerStatus], float]] = []
+        for miner, status in result.all():
+            score = self._compute_score(miner, status)
+            records.append((miner, status, score))
+        return records
+
+    async def _sync_miner_to_redis(self, miner_id: str) -> None:
+        miner = await self._session.get(Miner, miner_id)
+        if miner is None:
+            return
+        status = await self._session.get(MinerStatus, miner_id)
+
+        payload = {
+            "miner_id": miner.miner_id,
+            "addr": miner.addr,
+            "proto": miner.proto,
+            "region": miner.region or "",
+            "gpu_vram_gb": str(miner.gpu_vram_gb),
+            "ram_gb": str(miner.ram_gb),
+            "max_parallel": str(miner.max_parallel),
+            "base_price": str(miner.base_price),
+            "trust_score": str(miner.trust_score),
+            "queue_len": str(status.queue_len if status else 0),
+            "busy": str(status.busy if status else False),
+        }
+
+        redis_key = RedisKeys.miner_hash(miner_id)
+        await self._redis.hset(redis_key, mapping=payload)
+        await self._redis.expire(redis_key, settings.session_ttl_seconds + settings.heartbeat_grace_seconds)
+
+        score = self._compute_score(miner, status)
+        ranking_key = RedisKeys.miner_rankings(miner.region)
+        await self._redis.zadd(ranking_key, {miner_id: score})
+        await self._redis.expire(ranking_key, settings.session_ttl_seconds + settings.heartbeat_grace_seconds)
+
+    def _compute_score(self, miner: Miner, status: Optional[MinerStatus]) -> float:
+        load_factor = 1.0
+        if status and miner.max_parallel:
+            utilization = min(status.queue_len / max(miner.max_parallel, 1), 1.0)
+            load_factor = 1.0 - utilization
+        price_factor = 1.0 if miner.base_price <= 0 else min(1.0, 1.0 / miner.base_price)
+        trust_factor = max(miner.trust_score, 0.0)
+        return (settings.default_score_weights.capability * 1.0) + (
+            settings.default_score_weights.price * price_factor
+        ) + (settings.default_score_weights.load * load_factor) + (
+            settings.default_score_weights.trust * trust_factor
+        )
diff --git a/apps/pool-hub/src/poolhub/settings.py b/apps/pool-hub/src/poolhub/settings.py
new file mode 100644
index 0000000..ad69b35
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/settings.py
@@ -0,0 +1,59 @@
+from __future__ import annotations
+
+from functools import lru_cache
+from typing import Any, Dict, List
+
+from pydantic import AnyHttpUrl, BaseModel, Field
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class ScoreWeights(BaseModel):
+    capability: float = Field(default=0.40, alias="cap")
+    price: float = Field(default=0.20)
+    latency: float = Field(default=0.20)
+    trust: float = Field(default=0.15)
+    load: float = Field(default=0.05)
+
+    model_config = SettingsConfigDict(populate_by_name=True)
+
+    def as_vector(self) -> List[float]:
+        return [self.capability, self.price, self.latency, self.trust, self.load]
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(env_prefix="poolhub_", env_file=".env", case_sensitive=False)
+
+    app_name: str = "AITBC Pool Hub"
+    bind_host: str = Field(default="127.0.0.1")
+    bind_port: int = Field(default=8203)
+
+    coordinator_shared_secret: str = Field(default="changeme")
+
+    postgres_dsn: str = Field(default="postgresql+asyncpg://poolhub:poolhub@127.0.0.1:5432/aitbc")
+    postgres_pool_min: int = Field(default=1)
+    postgres_pool_max: int = Field(default=10)
+
+    redis_url: str = Field(default="redis://127.0.0.1:6379/4")
+    redis_max_connections: int = Field(default=32)
+
+    session_ttl_seconds: int = Field(default=60)
+    heartbeat_grace_seconds: int = Field(default=120)
+
+    default_score_weights: ScoreWeights = Field(default_factory=ScoreWeights)
+
+    allowed_origins: List[AnyHttpUrl] = Field(default_factory=list)
+
+    prometheus_namespace: str = Field(default="poolhub")
+
+    def asgi_kwargs(self) -> Dict[str, Any]:
+        return {
+            "title": self.app_name,
+        }
+
+
+@lru_cache(maxsize=1)
+def get_settings() -> Settings:
+    return Settings()
+
+
+settings = get_settings()
diff --git a/apps/pool-hub/src/poolhub/storage/__init__.py b/apps/pool-hub/src/poolhub/storage/__init__.py
new file mode 100644
index 0000000..4320a8c
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/storage/__init__.py
@@ -0,0 +1,5 @@
+"""Storage utilities for the Pool Hub service."""
+
+from .redis_keys import RedisKeys
+
+__all__ = ["RedisKeys"]
diff --git a/apps/pool-hub/src/poolhub/storage/redis_keys.py b/apps/pool-hub/src/poolhub/storage/redis_keys.py
new file mode 100644
index 0000000..09c3b2f
--- /dev/null
+++ b/apps/pool-hub/src/poolhub/storage/redis_keys.py
@@ -0,0 +1,40 @@
+from __future__ import annotations
+
+from typing import Final
+
+
+class RedisKeys:
+    namespace: Final[str] = "poolhub"
+
+    @classmethod
+    def miner_hash(cls, miner_id: str) -> str:
+        return f"{cls.namespace}:miner:{miner_id}"
+
+    @classmethod
+    def miner_rankings(cls, region: str | None = None) -> str:
+        suffix = region or "global"
+        return f"{cls.namespace}:rankings:{suffix}"
+
+    @classmethod
+    def miner_session(cls, session_token: str) -> str:
+        return f"{cls.namespace}:session:{session_token}"
+
+    @classmethod
+    def heartbeat_stream(cls) -> str:
+        return f"{cls.namespace}:heartbeat-stream"
+
+    @classmethod
+    def match_requests(cls) -> str:
+        return f"{cls.namespace}:match-requests"
+
+    @classmethod
+    def match_results(cls, job_id: str) -> str:
+        return f"{cls.namespace}:match-results:{job_id}"
+
+    @classmethod
+    def feedback_channel(cls) -> str:
+        return f"{cls.namespace}:events:feedback"
+
+    @classmethod
+    def match_results_channel(cls, job_id: str) -> str:
+        return f"{cls.namespace}:events:match-results:{job_id}"
diff --git a/apps/pool-hub/tests/conftest.py b/apps/pool-hub/tests/conftest.py
new file mode 100644
index 0000000..4f855c1
--- /dev/null
+++ b/apps/pool-hub/tests/conftest.py
@@ -0,0 +1,63 @@
+from __future__ import annotations
+
+import os
+import sys
+from pathlib import Path
+
+import pytest
+import pytest_asyncio
+from redis.asyncio import Redis
+from sqlalchemy.ext.asyncio import AsyncEngine, AsyncSession, async_sessionmaker, create_async_engine
+
+BASE_DIR = Path(__file__).resolve().parents[2]
+POOLHUB_SRC = BASE_DIR / "pool-hub" / "src"
+if str(POOLHUB_SRC) not in sys.path:
+    sys.path.insert(0, str(POOLHUB_SRC))
+
+from poolhub.models import Base
+
+
+def _get_required_env(name: str) -> str:
+    value = os.getenv(name)
+    if not value:
+        pytest.skip(f"Set {name} to run Pool Hub integration tests")
+    return value
+
+
+@pytest_asyncio.fixture()
+async def db_engine() -> AsyncEngine:
+    dsn = _get_required_env("POOLHUB_TEST_POSTGRES_DSN")
+    engine = create_async_engine(dsn, pool_pre_ping=True)
+
+    async with engine.begin() as conn:
+        await conn.run_sync(Base.metadata.drop_all)
+        await conn.run_sync(Base.metadata.create_all)
+
+    yield engine
+
+    async with engine.begin() as conn:
+        await conn.run_sync(Base.metadata.drop_all)
+    await engine.dispose()
+
+
+@pytest_asyncio.fixture
+async def db_session(db_engine: AsyncEngine) -> AsyncSession:
+    session_factory = async_sessionmaker(db_engine, expire_on_commit=False, autoflush=False)
+    async with session_factory() as session:
+        yield session
+        await session.rollback()
+
+
+@pytest_asyncio.fixture()
+async def redis_client() -> Redis:
+    redis_url = _get_required_env("POOLHUB_TEST_REDIS_URL")
+    client = Redis.from_url(redis_url, encoding="utf-8", decode_responses=True)
+    await client.flushdb()
+    yield client
+    await client.flushdb()
+    await client.close()
+
+
+@pytest_asyncio.fixture(autouse=True)
+async def _clear_redis(redis_client: Redis) -> None:
+    await redis_client.flushdb()
diff --git a/apps/pool-hub/tests/test_api.py b/apps/pool-hub/tests/test_api.py
new file mode 100644
index 0000000..009c81c
--- /dev/null
+++ b/apps/pool-hub/tests/test_api.py
@@ -0,0 +1,153 @@
+from __future__ import annotations
+
+import uuid
+
+import pytest
+import pytest_asyncio
+from httpx import AsyncClient
+from sqlalchemy.ext.asyncio import async_sessionmaker
+
+from poolhub.app import deps
+from poolhub.app.main import create_app
+from poolhub.app.prometheus import reset_metrics
+from poolhub.repositories.miner_repository import MinerRepository
+
+
+@pytest_asyncio.fixture()
+async def async_client(db_engine, redis_client):  # noqa: F811
+    async def _session_override():
+        factory = async_sessionmaker(db_engine, expire_on_commit=False, autoflush=False)
+        async with factory() as session:
+            yield session
+
+    async def _redis_override():
+        yield redis_client
+
+    app = create_app()
+    app.dependency_overrides.clear()
+    app.dependency_overrides[deps.db_session_dep] = _session_override
+    app.dependency_overrides[deps.redis_dep] = _redis_override
+    reset_metrics()
+
+    async with AsyncClient(app=app, base_url="http://testserver") as client:
+        yield client
+
+    app.dependency_overrides.clear()
+
+
+@pytest.mark.asyncio
+async def test_match_endpoint(async_client, db_session, redis_client):  # noqa: F811
+    repo = MinerRepository(db_session, redis_client)
+    await repo.register_miner(
+        miner_id="miner-1",
+        api_key_hash="hash",
+        addr="127.0.0.1",
+        proto="grpc",
+        gpu_vram_gb=16,
+        gpu_name="A100",
+        cpu_cores=32,
+        ram_gb=128,
+        max_parallel=4,
+        base_price=0.8,
+        tags={"tier": "gold"},
+        capabilities=["embedding"],
+        region="eu",
+    )
+    await db_session.commit()
+
+    response = await async_client.post(
+        "/v1/match",
+        json={
+            "job_id": "job-123",
+            "requirements": {"min_vram_gb": 8},
+            "hints": {"region": "eu"},
+            "top_k": 1,
+        },
+    )
+    assert response.status_code == 200
+    payload = response.json()
+    assert payload["job_id"] == "job-123"
+    assert len(payload["candidates"]) == 1
+
+
+@pytest.mark.asyncio
+async def test_match_endpoint_no_miners(async_client):
+    response = await async_client.post(
+        "/v1/match",
+        json={"job_id": "empty", "requirements": {}, "hints": {}, "top_k": 2},
+    )
+    assert response.status_code == 200
+    payload = response.json()
+    assert payload["candidates"] == []
+
+
+@pytest.mark.asyncio
+async def test_health_endpoint(async_client):  # noqa: F811
+    response = await async_client.get("/v1/health")
+    assert response.status_code == 200
+    data = response.json()
+    assert data["status"] in {"ok", "degraded"}
+    assert "db_error" in data
+    assert "redis_error" in data
+
+
+@pytest.mark.asyncio
+async def test_health_endpoint_degraded(db_engine, redis_client):  # noqa: F811
+    async def _session_override():
+        factory = async_sessionmaker(db_engine, expire_on_commit=False, autoflush=False)
+        async with factory() as session:
+            yield session
+
+    class FailingRedis:
+        async def ping(self) -> None:
+            raise RuntimeError("redis down")
+
+        def __getattr__(self, _: str) -> None:  # pragma: no cover - minimal stub
+            raise RuntimeError("redis down")
+
+    async def _redis_override():
+        yield FailingRedis()
+
+    app = create_app()
+    app.dependency_overrides.clear()
+    app.dependency_overrides[deps.db_session_dep] = _session_override
+    app.dependency_overrides[deps.redis_dep] = _redis_override
+    reset_metrics()
+
+    async with AsyncClient(app=app, base_url="http://testserver") as client:
+        response = await client.get("/v1/health")
+        assert response.status_code == 200
+        payload = response.json()
+        assert payload["status"] == "degraded"
+        assert payload["redis_error"]
+        assert payload["db_error"] is None
+
+    app.dependency_overrides.clear()
+
+
+@pytest.mark.asyncio
+async def test_metrics_endpoint(async_client):
+    baseline = await async_client.get("/metrics")
+    before = _extract_counter(baseline.text, "poolhub_match_requests_total")
+
+    for _ in range(2):
+        await async_client.post(
+            "/v1/match",
+            json={"job_id": str(uuid.uuid4()), "requirements": {}, "hints": {}, "top_k": 1},
+        )
+
+    updated = await async_client.get("/metrics")
+    after = _extract_counter(updated.text, "poolhub_match_requests_total")
+    assert after >= before + 2
+
+
+def _extract_counter(metrics_text: str, metric: str) -> float:
+    for line in metrics_text.splitlines():
+        if line.startswith(metric):
+            parts = line.split()
+            if len(parts) >= 2:
+                try:
+                    return float(parts[1])
+                except ValueError:  # pragma: no cover
+                    return 0.0
+    return 0.0
diff --git a/apps/pool-hub/tests/test_repositories.py b/apps/pool-hub/tests/test_repositories.py
new file mode 100644
index 0000000..d6616b0
--- /dev/null
+++ b/apps/pool-hub/tests/test_repositories.py
@@ -0,0 +1,96 @@
+from __future__ import annotations
+
+import json
+import uuid
+
+import pytest
+
+from poolhub.repositories.feedback_repository import FeedbackRepository
+from poolhub.repositories.match_repository import MatchRepository
+from poolhub.repositories.miner_repository import MinerRepository
+from poolhub.storage.redis_keys import RedisKeys
+
+
+@pytest.mark.asyncio
+async def test_register_miner_persists_and_syncs(db_session, redis_client):
+    repo = MinerRepository(db_session, redis_client)
+
+    await repo.register_miner(
+        miner_id="miner-1",
+        api_key_hash="hash",
+        addr="127.0.0.1",
+        proto="grpc",
+        gpu_vram_gb=16,
+        gpu_name="A100",
+        cpu_cores=32,
+        ram_gb=128,
+        max_parallel=4,
+        base_price=0.8,
+        tags={"tier": "gold"},
+        capabilities=["embedding"],
+        region="eu",
+    )
+
+    miner = await repo.get_miner("miner-1")
+    assert miner is not None
+    assert miner.addr == "127.0.0.1"
+
+    redis_hash = await redis_client.hgetall(RedisKeys.miner_hash("miner-1"))
+    assert redis_hash["miner_id"] == "miner-1"
+    ranking = await redis_client.zscore(RedisKeys.miner_rankings("eu"), "miner-1")
+    assert ranking is not None
+
+
+@pytest.mark.asyncio
+async def test_match_request_flow(db_session, redis_client):
+    match_repo = MatchRepository(db_session, redis_client)
+
+    req = await match_repo.create_request(
+        job_id="job-123",
+        requirements={"min_vram_gb": 8},
+        hints={"region": "eu"},
+        top_k=2,
+    )
+    await db_session.commit()
+
+    queue_entry = await redis_client.lpop(RedisKeys.match_requests())
+    assert queue_entry is not None
+    payload = json.loads(queue_entry)
+    assert payload["job_id"] == "job-123"
+
+    await match_repo.add_results(
+        request_id=req.id,
+        candidates=[
+            {"miner_id": "miner-1", "score": 0.9, "explain": "fit"},
+            {"miner_id": "miner-2", "score": 0.8, "explain": "backup"},
+        ],
+    )
+    await db_session.commit()
+
+    results = await match_repo.list_results_for_job("job-123")
+    assert len(results) == 2
+
+    redis_results = await redis_client.lrange(RedisKeys.match_results("job-123"), 0, -1)
+    assert len(redis_results) == 2
+
+
+@pytest.mark.asyncio
+async def test_feedback_repository(db_session, redis_client):
+    feedback_repo = FeedbackRepository(db_session, redis_client)
+
+    feedback = await feedback_repo.add_feedback(
+        job_id="job-321",
+        miner_id="miner-1",
+        outcome="completed",
+        latency_ms=1200,
+        tokens_spent=1.5,
+    )
+    await db_session.commit()
+
+    rows = await feedback_repo.list_feedback_for_job("job-321")
+    assert len(rows) == 1
+    assert rows[0].outcome == "completed"
+
+    # Ensure Redis publish occurred by checking pubsub message count via monitor list (best effort)
+    # Redis doesn't buffer publishes for inspection, so this is a smoke check ensuring repository returns object
+    assert feedback.miner_id == "miner-1"
diff --git a/apps/wallet-daemon/src/app/api_jsonrpc.py b/apps/wallet-daemon/src/app/api_jsonrpc.py
index 41dc2f0..4c9bcb7 100644
--- a/apps/wallet-daemon/src/app/api_jsonrpc.py
+++ b/apps/wallet-daemon/src/app/api_jsonrpc.py
@@ -1,11 +1,14 @@
 from __future__ import annotations
 
+import base64
 from typing import Any, Dict, Optional
 
 from fastapi import APIRouter, Depends
 
-from .deps import get_receipt_service
+from .deps import get_receipt_service, get_keystore, get_ledger
 from .models import ReceiptVerificationModel, from_validation_result
+from .keystore.service import KeystoreService
+from .ledger_mock import SQLiteLedgerAdapter
 from .receipts.service import ReceiptVerifierService
 
 router = APIRouter(tags=["jsonrpc"])
@@ -24,6 +27,8 @@ def _response(result: Optional[Dict[str, Any]] = None, error: Optional[Dict[str,
 def handle_jsonrpc(
     request: Dict[str, Any],
     service: ReceiptVerifierService = Depends(get_receipt_service),
+    keystore: KeystoreService = Depends(get_keystore),
+    ledger: SQLiteLedgerAdapter = Depends(get_ledger),
 ) -> Dict[str, Any]:
     method = request.get("method")
     params = request.get("params") or {}
@@ -46,4 +51,68 @@ def handle_jsonrpc(
         results = [from_validation_result(item).model_dump() for item in service.verify_history(str(job_id))]
         return _response(result={"items": results}, request_id=request_id)
 
+    if method == "wallet.list":
+        items = []
+        for record in keystore.list_records():
+            ledger_record = ledger.get_wallet(record.wallet_id)
+            metadata = ledger_record.metadata if ledger_record else record.metadata
+            items.append({"wallet_id": record.wallet_id, "public_key": record.public_key, "metadata": metadata})
+        return _response(result={"items": items}, request_id=request_id)
+
+    if method == "wallet.create":
+        wallet_id = params.get("wallet_id")
+        password = params.get("password")
+        metadata = params.get("metadata") or {}
+        secret_b64 = params.get("secret_key")
+        if not wallet_id or not password:
+            return _response(error={"code": -32602, "message": "wallet_id and password required"}, request_id=request_id)
+        secret = base64.b64decode(secret_b64) if secret_b64 else None
+        record = keystore.create_wallet(wallet_id=wallet_id, password=password, secret=secret, metadata=metadata)
+        ledger.upsert_wallet(record.wallet_id, record.public_key, record.metadata)
+        ledger.record_event(record.wallet_id, "created", {"metadata": record.metadata})
+        return _response(
+            result={
+                "wallet": {
+                    "wallet_id": record.wallet_id,
+                    "public_key": record.public_key,
+                    "metadata": record.metadata,
+                }
+            },
+            request_id=request_id,
+        )
+
+    if method == "wallet.unlock":
+        wallet_id = params.get("wallet_id")
+        password = params.get("password")
+        if not wallet_id or not password:
+            return _response(error={"code": -32602, "message": "wallet_id and password required"}, request_id=request_id)
+        try:
+            keystore.unlock_wallet(wallet_id, password)
+            ledger.record_event(wallet_id, "unlocked", {"success": True})
+            return _response(result={"wallet_id": wallet_id, "unlocked": True}, request_id=request_id)
+        except (KeyError, ValueError):
+            ledger.record_event(wallet_id, "unlocked", {"success": False})
+            return _response(error={"code": -32001, "message": "invalid credentials"}, request_id=request_id)
+
+    if method == "wallet.sign":
+        wallet_id = params.get("wallet_id")
+        password = params.get("password")
+        message_b64 = params.get("message")
+        if not wallet_id or not password or not message_b64:
+            return _response(error={"code": -32602, "message": "wallet_id, password, message required"}, request_id=request_id)
+        try:
+            message = base64.b64decode(message_b64)
+        except Exception:
+            return _response(error={"code": -32602, "message": "invalid base64 message"}, request_id=request_id)
+
+        try:
+            signature = keystore.sign_message(wallet_id, password, message)
+            ledger.record_event(wallet_id, "sign", {"success": True})
+        except (KeyError, ValueError):
+            ledger.record_event(wallet_id, "sign", {"success": False})
+            return _response(error={"code": -32001, "message": "invalid credentials"}, request_id=request_id)
+
+        signature_b64 = base64.b64encode(signature).decode()
+        return _response(result={"wallet_id": wallet_id, "signature": signature_b64}, request_id=request_id)
+
     return _response(error={"code": -32601, "message": "Method not found"}, request_id=request_id)
diff --git a/apps/wallet-daemon/src/app/api_rest.py b/apps/wallet-daemon/src/app/api_rest.py
index 048f277..ebf6e85 100644
--- a/apps/wallet-daemon/src/app/api_rest.py
+++ b/apps/wallet-daemon/src/app/api_rest.py
@@ -1,18 +1,52 @@
 from __future__ import annotations
 
-from fastapi import APIRouter, Depends, HTTPException, status
+import base64
 
-from .deps import get_receipt_service
+import logging
+import base64
+
+from fastapi import APIRouter, Depends, HTTPException, status, Request
+
+from .deps import get_receipt_service, get_keystore, get_ledger
 from .models import (
     ReceiptVerificationListResponse,
     ReceiptVerificationModel,
     ReceiptVerifyResponse,
     SignatureValidationModel,
+    WalletCreateRequest,
+    WalletCreateResponse,
+    WalletListResponse,
+    WalletUnlockRequest,
+    WalletUnlockResponse,
+    WalletSignRequest,
+    WalletSignResponse,
+    WalletDescriptor,
     from_validation_result,
 )
+from .keystore.service import KeystoreService
+from .ledger_mock import SQLiteLedgerAdapter
 from .receipts.service import ReceiptValidationResult, ReceiptVerifierService
+from .security import RateLimiter, wipe_buffer
 
-router = APIRouter(prefix="/v1", tags=["receipts"])
+logger = logging.getLogger(__name__)
+_rate_limiter = RateLimiter(max_requests=30, window_seconds=60)
+
+
+def _rate_key(action: str, request: Request, wallet_id: Optional[str] = None) -> str:
+    host = request.client.host if request.client else "unknown"
+    parts = [action, host]
+    if wallet_id:
+        parts.append(wallet_id)
+    return ":".join(parts)
+
+
+def _enforce_limit(action: str, request: Request, wallet_id: Optional[str] = None) -> None:
+    key = _rate_key(action, request, wallet_id)
+    if not _rate_limiter.allow(key):
+        raise HTTPException(status_code=status.HTTP_429_TOO_MANY_REQUESTS, detail="rate limit exceeded")
+
+
+router = APIRouter(prefix="/v1", tags=["wallets", "receipts"])
 
 
 def _result_to_response(result: ReceiptValidationResult) -> ReceiptVerifyResponse:
@@ -47,3 +81,97 @@ def verify_receipt_history(
     results = service.verify_history(job_id)
     items = [from_validation_result(result) for result in results]
     return ReceiptVerificationListResponse(items=items)
+
+
+@router.get("/wallets", response_model=WalletListResponse, summary="List wallets")
+def list_wallets(
+    keystore: KeystoreService = Depends(get_keystore),
+    ledger: SQLiteLedgerAdapter = Depends(get_ledger),
+) -> WalletListResponse:
+    descriptors = []
+    for record in keystore.list_records():
+        ledger_record = ledger.get_wallet(record.wallet_id)
+        metadata = ledger_record.metadata if ledger_record else record.metadata
+        descriptors.append(
+            WalletDescriptor(wallet_id=record.wallet_id, public_key=record.public_key, metadata=metadata)
+        )
+
+
+@router.post("/wallets", response_model=WalletCreateResponse, status_code=status.HTTP_201_CREATED, summary="Create wallet")
+def create_wallet(
+    request: WalletCreateRequest,
+    http_request: Request,
+    keystore: KeystoreService = Depends(get_keystore),
+    ledger: SQLiteLedgerAdapter = Depends(get_ledger),
+) -> WalletCreateResponse:
+    _enforce_limit("wallet-create", http_request)
+
+    try:
+        secret = base64.b64decode(request.secret_key) if request.secret_key else None
+    except Exception as exc:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="invalid base64 secret") from exc
+
+    try:
+        record = keystore.create_wallet(
+            wallet_id=request.wallet_id,
+            password=request.password,
+            secret=secret,
+            metadata=request.metadata,
+        )
+    except ValueError as exc:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(exc)) from exc
+
+    ledger.upsert_wallet(record.wallet_id, record.public_key, record.metadata)
+    ledger.record_event(record.wallet_id, "created", {"metadata": record.metadata})
+    logger.info("Created wallet", extra={"wallet_id": record.wallet_id})
+    wallet = WalletDescriptor(wallet_id=record.wallet_id, public_key=record.public_key, metadata=record.metadata)
+    return WalletCreateResponse(wallet=wallet)
+
+
+@router.post("/wallets/{wallet_id}/unlock", response_model=WalletUnlockResponse, summary="Unlock wallet")
+def unlock_wallet(
+    wallet_id: str,
+    request: WalletUnlockRequest,
+    http_request: Request,
+    keystore: KeystoreService = Depends(get_keystore),
+    ledger: SQLiteLedgerAdapter = Depends(get_ledger),
+) -> WalletUnlockResponse:
+    _enforce_limit("wallet-unlock", http_request, wallet_id)
+    try:
+        secret = bytearray(keystore.unlock_wallet(wallet_id, request.password))
+        ledger.record_event(wallet_id, "unlocked", {"success": True})
+        logger.info("Unlocked wallet", extra={"wallet_id": wallet_id})
+    except (KeyError, ValueError):
+        ledger.record_event(wallet_id, "unlocked", {"success": False})
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="invalid credentials")
+    finally:
+        if "secret" in locals():
+            wipe_buffer(secret)
+    # We don't expose the secret in response
+    return WalletUnlockResponse(wallet_id=wallet_id, unlocked=True)
+
+
+@router.post("/wallets/{wallet_id}/sign", response_model=WalletSignResponse, summary="Sign payload")
+def sign_payload(
+    wallet_id: str,
+    request: WalletSignRequest,
+    http_request: Request,
+    keystore: KeystoreService = Depends(get_keystore),
+    ledger: SQLiteLedgerAdapter = Depends(get_ledger),
+) -> WalletSignResponse:
+    _enforce_limit("wallet-sign", http_request, wallet_id)
+    try:
+        message = base64.b64decode(request.message_base64)
+    except Exception as exc:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="invalid base64 message") from exc
+
+    try:
+        signature = keystore.sign_message(wallet_id, request.password, message)
+        ledger.record_event(wallet_id, "sign", {"success": True})
+        logger.debug("Signed payload", extra={"wallet_id": wallet_id})
+    except (KeyError, ValueError):
+        ledger.record_event(wallet_id, "sign", {"success": False})
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="invalid credentials")
+
+    signature_b64 = base64.b64encode(signature).decode()
+    return WalletSignResponse(wallet_id=wallet_id, signature_base64=signature_b64)
diff --git a/apps/wallet-daemon/src/app/crypto/encryption.py b/apps/wallet-daemon/src/app/crypto/encryption.py
index 4d787fa..1c35fbb 100644
--- a/apps/wallet-daemon/src/app/crypto/encryption.py
+++ b/apps/wallet-daemon/src/app/crypto/encryption.py
@@ -9,6 +9,8 @@ from nacl.bindings import (
     crypto_aead_xchacha20poly1305_ietf_encrypt,
 )
 
+from ..security import wipe_buffer
+
 
 class EncryptionError(Exception):
     """Raised when encryption or decryption fails."""
@@ -50,13 +52,15 @@ class EncryptionSuite:
             raise EncryptionError("encryption failed") from exc
 
     def decrypt(self, *, password: str, ciphertext: bytes, salt: bytes, nonce: bytes) -> bytes:
-        key = self._derive_key(password=password, salt=salt)
+        key_bytes = bytearray(self._derive_key(password=password, salt=salt))
         try:
             return crypto_aead_xchacha20poly1305_ietf_decrypt(
                 ciphertext=ciphertext,
                 aad=b"",
                 nonce=nonce,
-                key=key,
+                key=bytes(key_bytes),
             )
         except Exception as exc:
             raise EncryptionError("decryption failed") from exc
+        finally:
+            wipe_buffer(key_bytes)
diff --git a/apps/wallet-daemon/src/app/deps.py b/apps/wallet-daemon/src/app/deps.py
index 71f0c34..e8825f3 100644
--- a/apps/wallet-daemon/src/app/deps.py
+++ b/apps/wallet-daemon/src/app/deps.py
@@ -5,6 +5,7 @@ from functools import lru_cache
 from fastapi import Depends
 
 from .keystore.service import KeystoreService
+from .ledger_mock import SQLiteLedgerAdapter
 from .receipts.service import ReceiptVerifierService
 from .settings import Settings, settings
 
@@ -24,3 +25,8 @@ def get_receipt_service(config: Settings = Depends(get_settings)) -> ReceiptVeri
 @lru_cache
 def get_keystore() -> KeystoreService:
     return KeystoreService()
+
+
+@lru_cache
+def get_ledger(config: Settings = Depends(get_settings)) -> SQLiteLedgerAdapter:
+    return SQLiteLedgerAdapter(config.ledger_db_path)
diff --git a/apps/wallet-daemon/src/app/keystore/service.py b/apps/wallet-daemon/src/app/keystore/service.py
index 7b8053e..0df2fcd 100644
--- a/apps/wallet-daemon/src/app/keystore/service.py
+++ b/apps/wallet-daemon/src/app/keystore/service.py
@@ -1,16 +1,20 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
-from typing import Dict, List, Optional
+from typing import Dict, Iterable, List, Optional
 
 from secrets import token_bytes
 
+from nacl.signing import SigningKey
+
 from ..crypto.encryption import EncryptionSuite, EncryptionError
+from ..security import validate_password_rules, wipe_buffer
 
 
 @dataclass
 class WalletRecord:
     wallet_id: str
+    public_key: str
     salt: bytes
     nonce: bytes
     ciphertext: bytes
@@ -27,14 +31,46 @@ class KeystoreService:
     def list_wallets(self) -> List[str]:
         return list(self._wallets.keys())
 
+    def list_records(self) -> Iterable[WalletRecord]:
+        return list(self._wallets.values())
+
     def get_wallet(self, wallet_id: str) -> Optional[WalletRecord]:
         return self._wallets.get(wallet_id)
 
-    def create_wallet(self, wallet_id: str, password: str, plaintext: bytes, metadata: Optional[Dict[str, str]] = None) -> WalletRecord:
+    def create_wallet(
+        self,
+        wallet_id: str,
+        password: str,
+        secret: Optional[bytes] = None,
+        metadata: Optional[Dict[str, str]] = None,
+    ) -> WalletRecord:
+        if wallet_id in self._wallets:
+            raise ValueError("wallet already exists")
+
+        validate_password_rules(password)
+
+        metadata_map = {str(k): str(v) for k, v in (metadata or {}).items()}
+
+        if secret is None:
+            signing_key = SigningKey.generate()
+            secret_bytes = signing_key.encode()
+        else:
+            if len(secret) != SigningKey.seed_size:
+                raise ValueError("secret key must be 32 bytes")
+            secret_bytes = secret
+            signing_key = SigningKey(secret_bytes)
+
         salt = token_bytes(self._encryption.salt_bytes)
         nonce = token_bytes(self._encryption.nonce_bytes)
-        ciphertext = self._encryption.encrypt(password=password, plaintext=plaintext, salt=salt, nonce=nonce)
-        record = WalletRecord(wallet_id=wallet_id, salt=salt, nonce=nonce, ciphertext=ciphertext, metadata=metadata or {})
+        ciphertext = self._encryption.encrypt(password=password, plaintext=secret_bytes, salt=salt, nonce=nonce)
+        record = WalletRecord(
+            wallet_id=wallet_id,
+            public_key=signing_key.verify_key.encode().hex(),
+            salt=salt,
+            nonce=nonce,
+            ciphertext=ciphertext,
+            metadata=metadata_map,
+        )
         self._wallets[wallet_id] = record
         return record
 
@@ -49,3 +85,12 @@ class KeystoreService:
 
     def delete_wallet(self, wallet_id: str) -> bool:
         return self._wallets.pop(wallet_id, None) is not None
+
+    def sign_message(self, wallet_id: str, password: str, message: bytes) -> bytes:
+        secret_bytes = bytearray(self.unlock_wallet(wallet_id, password))
+        try:
+            signing_key = SigningKey(bytes(secret_bytes))
+            signed = signing_key.sign(message)
+            return signed.signature
+        finally:
+            wipe_buffer(secret_bytes)
diff --git a/apps/wallet-daemon/src/app/ledger_mock/__init__.py b/apps/wallet-daemon/src/app/ledger_mock/__init__.py
new file mode 100644
index 0000000..dc46adc
--- /dev/null
+++ b/apps/wallet-daemon/src/app/ledger_mock/__init__.py
@@ -0,0 +1,3 @@
+from .sqlite_adapter import SQLiteLedgerAdapter, WalletRecord, WalletEvent
+
+__all__ = ["SQLiteLedgerAdapter", "WalletRecord", "WalletEvent"]
diff --git a/apps/wallet-daemon/src/app/ledger_mock/sqlite_adapter.py b/apps/wallet-daemon/src/app/ledger_mock/sqlite_adapter.py
new file mode 100644
index 0000000..034cd94
--- /dev/null
+++ b/apps/wallet-daemon/src/app/ledger_mock/sqlite_adapter.py
@@ -0,0 +1,106 @@
+from __future__ import annotations
+
+import json
+import sqlite3
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Iterable, Optional
+
+
+@dataclass
+class WalletRecord:
+    wallet_id: str
+    public_key: str
+    metadata: dict
+
+
+@dataclass
+class WalletEvent:
+    wallet_id: str
+    event_type: str
+    payload: dict
+
+
+class SQLiteLedgerAdapter:
+    def __init__(self, db_path: Path) -> None:
+        self._db_path = db_path
+        self._ensure_schema()
+
+    def _connect(self) -> sqlite3.Connection:
+        conn = sqlite3.connect(self._db_path)
+        conn.row_factory = sqlite3.Row
+        return conn
+
+    def _ensure_schema(self) -> None:
+        self._db_path.parent.mkdir(parents=True, exist_ok=True)
+        with self._connect() as conn:
+            conn.execute(
+                """
+                CREATE TABLE IF NOT EXISTS wallets (
+                    wallet_id TEXT PRIMARY KEY,
+                    public_key TEXT NOT NULL,
+                    metadata TEXT NOT NULL
+                )
+                """
+            )
+            conn.execute(
+                """
+                CREATE TABLE IF NOT EXISTS wallet_events (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    wallet_id TEXT NOT NULL,
+                    event_type TEXT NOT NULL,
+                    payload TEXT NOT NULL,
+                    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+                    FOREIGN KEY(wallet_id) REFERENCES wallets(wallet_id)
+                )
+                """
+            )
+
+    def upsert_wallet(self, wallet_id: str, public_key: str, metadata: dict) -> None:
+        payload = json.dumps(metadata)
+        with self._connect() as conn:
+            conn.execute(
+                """
+                INSERT INTO wallets(wallet_id, public_key, metadata)
+                VALUES (?, ?, ?)
+                ON CONFLICT(wallet_id) DO UPDATE SET public_key=excluded.public_key, metadata=excluded.metadata
+                """,
+                (wallet_id, public_key, payload),
+            )
+
+    def get_wallet(self, wallet_id: str) -> Optional[WalletRecord]:
+        with self._connect() as conn:
+            row = conn.execute(
+                "SELECT wallet_id, public_key, metadata FROM wallets WHERE wallet_id = ?",
+                (wallet_id,),
+            ).fetchone()
+        if row is None:
+            return None
+        return WalletRecord(wallet_id=row["wallet_id"], public_key=row["public_key"], metadata=json.loads(row["metadata"]))
+
+    def list_wallets(self) -> Iterable[WalletRecord]:
+        with self._connect() as conn:
+            rows = conn.execute("SELECT wallet_id, public_key, metadata FROM wallets").fetchall()
+        for row in rows:
+            yield WalletRecord(wallet_id=row["wallet_id"], public_key=row["public_key"], metadata=json.loads(row["metadata"]))
+
+    def record_event(self, wallet_id: str, event_type: str, payload: dict) -> None:
+        data = json.dumps(payload)
+        with self._connect() as conn:
+            conn.execute(
+                "INSERT INTO wallet_events(wallet_id, event_type, payload) VALUES (?, ?, ?)",
+                (wallet_id, event_type, data),
+            )
+
+    def list_events(self, wallet_id: str) -> Iterable[WalletEvent]:
+        with self._connect() as conn:
+            rows = conn.execute(
+                "SELECT wallet_id, event_type, payload FROM wallet_events WHERE wallet_id = ? ORDER BY id",
+                (wallet_id,),
+            ).fetchall()
+        for row in rows:
+            yield WalletEvent(
+                wallet_id=row["wallet_id"],
+                event_type=row["event_type"],
+                payload=json.loads(row["payload"]),
+            )
diff --git a/apps/wallet-daemon/src/app/models/__init__.py b/apps/wallet-daemon/src/app/models/__init__.py
index 49151fb..af5a838 100644
--- a/apps/wallet-daemon/src/app/models/__init__.py
+++ b/apps/wallet-daemon/src/app/models/__init__.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import List
+from typing import Any, Dict, List, Optional
 
 from aitbc_sdk import SignatureValidation
 
@@ -43,3 +43,43 @@ def from_validation_result(result) -> ReceiptVerificationModel:
 
 class ReceiptVerificationListResponse(BaseModel):
     items: List[ReceiptVerificationModel]
+
+
+class WalletDescriptor(BaseModel):
+    wallet_id: str
+    public_key: str
+    metadata: Dict[str, Any]
+
+
+class WalletListResponse(BaseModel):
+    items: List[WalletDescriptor]
+
+
+class WalletCreateRequest(BaseModel):
+    wallet_id: str
+    password: str
+    metadata: Dict[str, Any] = {}
+    secret_key: Optional[str] = None
+
+
+class WalletCreateResponse(BaseModel):
+    wallet: WalletDescriptor
+
+
+class WalletUnlockRequest(BaseModel):
+    password: str
+
+
+class WalletUnlockResponse(BaseModel):
+    wallet_id: str
+    unlocked: bool
+
+
+class WalletSignRequest(BaseModel):
+    password: str
+    message_base64: str
+
+
+class WalletSignResponse(BaseModel):
+    wallet_id: str
+    signature_base64: str
diff --git a/apps/wallet-daemon/src/app/security.py b/apps/wallet-daemon/src/app/security.py
new file mode 100644
index 0000000..2407e54
--- /dev/null
+++ b/apps/wallet-daemon/src/app/security.py
@@ -0,0 +1,43 @@
+from __future__ import annotations
+
+import re
+import threading
+import time
+from collections import defaultdict, deque
+
+
+class RateLimiter:
+    def __init__(self, max_requests: int = 30, window_seconds: int = 60) -> None:
+        self._max_requests = max_requests
+        self._window_seconds = window_seconds
+        self._lock = threading.Lock()
+        self._records: dict[str, deque[float]] = defaultdict(deque)
+
+    def allow(self, key: str) -> bool:
+        now = time.monotonic()
+        with self._lock:
+            entries = self._records[key]
+            while entries and now - entries[0] > self._window_seconds:
+                entries.popleft()
+            if len(entries) >= self._max_requests:
+                return False
+            entries.append(now)
+            return True
+
+
+def validate_password_rules(password: str) -> None:
+    if len(password) < 12:
+        raise ValueError("password must be at least 12 characters long")
+    if not re.search(r"[A-Z]", password):
+        raise ValueError("password must include at least one uppercase letter")
+    if not re.search(r"[a-z]", password):
+        raise ValueError("password must include at least one lowercase letter")
+    if not re.search(r"\d", password):
+        raise ValueError("password must include at least one digit")
+    if not re.search(r"[^A-Za-z0-9]", password):
+        raise ValueError("password must include at least one symbol")
+
+
+def wipe_buffer(buffer: bytearray) -> None:
+    for index in range(len(buffer)):
+        buffer[index] = 0
diff --git a/apps/wallet-daemon/src/app/settings.py b/apps/wallet-daemon/src/app/settings.py
index e5f97e4..de1569f 100644
--- a/apps/wallet-daemon/src/app/settings.py
+++ b/apps/wallet-daemon/src/app/settings.py
@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from pathlib import Path
+
 from pydantic import Field
 from pydantic_settings import BaseSettings
 
@@ -14,6 +16,7 @@ class Settings(BaseSettings):
     coordinator_api_key: str = Field(default="client_dev_key_1", alias="COORDINATOR_API_KEY")
 
     rest_prefix: str = Field(default="/v1", alias="REST_PREFIX")
+    ledger_db_path: Path = Field(default=Path("./data/wallet_ledger.db"), alias="LEDGER_DB_PATH")
 
     class Config:
         env_file = ".env"
diff --git a/apps/wallet-daemon/tests/test_ledger.py b/apps/wallet-daemon/tests/test_ledger.py
new file mode 100644
index 0000000..a20be75
--- /dev/null
+++ b/apps/wallet-daemon/tests/test_ledger.py
@@ -0,0 +1,38 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from app.ledger_mock import SQLiteLedgerAdapter
+
+
+def test_upsert_and_get_wallet(tmp_path: Path) -> None:
+    db_path = tmp_path / "ledger.db"
+    adapter = SQLiteLedgerAdapter(db_path)
+
+    adapter.upsert_wallet("wallet-1", "pubkey", {"label": "primary"})
+
+    record = adapter.get_wallet("wallet-1")
+    assert record is not None
+    assert record.wallet_id == "wallet-1"
+    assert record.public_key == "pubkey"
+    assert record.metadata["label"] == "primary"
+
+    # Update metadata and ensure persistence
+    adapter.upsert_wallet("wallet-1", "pubkey", {"label": "updated"})
+    updated = adapter.get_wallet("wallet-1")
+    assert updated is not None
+    assert updated.metadata["label"] == "updated"
+
+
+def test_event_ordering(tmp_path: Path) -> None:
+    db_path = tmp_path / "ledger.db"
+    adapter = SQLiteLedgerAdapter(db_path)
+
+    adapter.upsert_wallet("wallet-1", "pubkey", {})
+    adapter.record_event("wallet-1", "created", {"step": 1})
+    adapter.record_event("wallet-1", "unlock", {"step": 2})
+    adapter.record_event("wallet-1", "sign", {"step": 3})
+
+    events = list(adapter.list_events("wallet-1"))
+    assert [event.event_type for event in events] == ["created", "unlock", "sign"]
+    assert [event.payload["step"] for event in events] == [1, 2, 3]
diff --git a/apps/wallet-daemon/tests/test_wallet_api.py b/apps/wallet-daemon/tests/test_wallet_api.py
new file mode 100644
index 0000000..b127ee7
--- /dev/null
+++ b/apps/wallet-daemon/tests/test_wallet_api.py
@@ -0,0 +1,82 @@
+from __future__ import annotations
+
+import base64
+
+import pytest
+from fastapi.testclient import TestClient
+
+from aitbc_chain.app import create_app  # noqa: I100
+
+from app.deps import get_keystore, get_ledger
+
+
+@pytest.fixture(name="client")
+def client_fixture(tmp_path, monkeypatch):
+    # Override ledger path to temporary directory
+    from app.settings import Settings
+
+    class TestSettings(Settings):
+        ledger_db_path = tmp_path / "ledger.db"
+
+    monkeypatch.setattr("app.deps.get_settings", lambda: TestSettings())
+
+    app = create_app()
+    return TestClient(app)
+
+
+def _create_wallet(client: TestClient, wallet_id: str, password: str = "Password!234") -> None:
+    payload = {
+        "wallet_id": wallet_id,
+        "password": password,
+    }
+    response = client.post("/v1/wallets", json=payload)
+    assert response.status_code == 201, response.text
+
+
+def test_wallet_workflow(client: TestClient):
+    wallet_id = "wallet-1"
+    password = "StrongPass!234"
+
+    # Create wallet
+    response = client.post(
+        "/v1/wallets",
+        json={
+            "wallet_id": wallet_id,
+            "password": password,
+            "metadata": {"label": "test"},
+        },
+    )
+    assert response.status_code == 201, response.text
+    data = response.json()["wallet"]
+    assert data["wallet_id"] == wallet_id
+    assert "public_key" in data
+
+    # List wallets
+    response = client.get("/v1/wallets")
+    assert response.status_code == 200
+    items = response.json()["items"]
+    assert any(item["wallet_id"] == wallet_id for item in items)
+
+    # Unlock wallet
+    response = client.post(f"/v1/wallets/{wallet_id}/unlock", json={"password": password})
+    assert response.status_code == 200
+    assert response.json()["unlocked"] is True
+
+    # Sign payload
+    message = base64.b64encode(b"hello").decode()
+    response = client.post(
+        f"/v1/wallets/{wallet_id}/sign",
+        json={"password": password, "message_base64": message},
+    )
+    assert response.status_code == 200, response.text
+    signature = response.json()["signature_base64"]
+    assert isinstance(signature, str) and len(signature) > 0
+
+
+def test_wallet_password_rules(client: TestClient):
+    response = client.post(
+        "/v1/wallets",
+        json={"wallet_id": "weak", "password": "short"},
+    )
+    assert response.status_code == 400
+***
diff --git a/docs/done.md b/docs/done.md
index 778643a..ba14336 100644
--- a/docs/done.md
+++ b/docs/done.md
@@ -41,8 +41,25 @@
 
 - Added `apps/wallet-daemon/src/app/receipts/service.py` providing `ReceiptVerifierService` that fetches and validates receipts via `aitbc_sdk`.
 - Created unit tests under `apps/wallet-daemon/tests/test_receipts.py` verifying service behavior.
+- Implemented wallet SDK receipt ingestion + attestation surfacing in `packages/py/aitbc-sdk/src/receipts.py`, including pagination client, signature verification, and failure diagnostics with full pytest coverage.
 
 ## Explorer Web
 
 - Initialized a Vite + TypeScript scaffold in `apps/explorer-web/` with `vite.config.ts`, `tsconfig.json`, and placeholder `src/main.ts` content.
 - Installed frontend dependencies locally to unblock editor tooling and TypeScript type resolution.
+- Implemented `overview` page stats rendering backed by mock block/transaction/receipt fetchers, including robust empty-state handling and TypeScript type fixes.
+
+## Pool Hub
+
+- Implemented FastAPI service scaffolding with Redis/PostgreSQL-backed repositories, match/health/metrics endpoints, and Prometheus instrumentation (`apps/pool-hub/src/poolhub/`).
+- Added Alembic migrations (`apps/pool-hub/migrations/`) and async integration tests covering repositories and endpoints (`apps/pool-hub/tests/`).
+
+## Solidity Token
+
+- Implemented attested minting logic in `packages/solidity/aitbc-token/contracts/AIToken.sol` using `AccessControl` role gates and ECDSA signature recovery.
+- Added Hardhat unit tests in `packages/solidity/aitbc-token/test/aitoken.test.ts` covering successful minting, replay prevention, and invalid attestor signatures.
+- Configured project TypeScript settings via `packages/solidity/aitbc-token/tsconfig.json` to align Hardhat, Node, and Mocha typings for the contract test suite.
+
+## JavaScript SDK
+
+- Delivered fetch-based client wrapper with TypeScript definitions and Vitest coverage under `packages/js/aitbc-sdk/`.
diff --git a/docs/explorer_web.md b/docs/explorer_web.md
index 4282e04..f0c1e74 100644
--- a/docs/explorer_web.md
+++ b/docs/explorer_web.md
@@ -1,33 +1,33 @@
 # Explorer Web – Task Breakdown
 
-## Status (2025-09-27)
+## Status (2025-09-28)
 
-- **Stage 1**: UI scaffolding and mock data remain TODO; no implementation merged yet. Pending work should align with coordinator receipt history once backend endpoints stabilize.
+- **Stage 1**: Overview page renders block/transaction/receipt summaries from mock data with empty-state fallbacks. Remaining work focuses on blocks/transactions detail UIs, responsive polish, and live data toggle validation.
 
 ## Stage 1 (MVP)
 
 - **Structure & Assets**
-  - Populate `apps/explorer-web/public/` with `index.html`, `block.html`, `tx.html`, `address.html`, `receipts.html`, `404.html` scaffolds.
-  - Add base stylesheets (`css/base.css`, `css/layout.css`, `css/theme-dark.css`).
-  - Include logo and icon assets under `public/assets/`.
+  - ⏳ Populate `apps/explorer-web/public/` with `index.html`, `block.html`, `tx.html`, `address.html`, `receipts.html`, `404.html` scaffolds.
+  - ✅ Add base stylesheets (`public/css/base.css`, `public/css/layout.css`, `public/css/theme.css`).
+  - ⏳ Include logo and icon assets under `public/assets/`.
 
-- **JavaScript Modules**
-  - Implement `js/config.js`, `js/api.js`, `js/store.js`, and `js/utils.js` helpers.
-  - Create component modules under `js/components/` (header, footer, searchbox, block-table, tx-table, pager, keyvalue).
-  - Implement page controllers under `js/pages/` for home, block detail, tx detail, address view, receipts view.
+- **TypeScript Modules**
+  - ✅ Provide configuration and data helpers (`src/config.ts`, `src/lib/mockData.ts`, `src/lib/models.ts`).
+  - ⏳ Add shared store/utilities module for cross-page state.
+  - ✅ Implement core page controllers and components under `src/pages/` and `src/components/` (overview, blocks, transactions, addresses, receipts, header/footer, data mode toggle).
 
 - **Mock Data**
-  - Provide optional mock JSON fixtures under `public/js/vendors/` or `public/mock/`.
-  - Enable mock mode toggle via `CONFIG.USE_MOCK`.
+  - ✅ Provide mock JSON fixtures under `public/mock/`.
+  - ✅ Enable mock/live mode toggle via `getDataMode()` and `<data-mode-toggle>` components.
 
 - **Interaction & UX**
-  - Implement search box detection for block numbers, hashes, and addresses.
-  - Add pagination/infinite scroll for block and transaction tables.
-  - Ensure dark theme styling with readable typography and table hover states.
+  - ⏳ Implement search box detection for block numbers, hashes, and addresses.
+  - ⏳ Add pagination or infinite scroll for block and transaction tables.
+  - ⏳ Expand responsive polish beyond overview cards (tablet/mobile grid, table hover states).
 
 - **Documentation**
-  - Update `apps/explorer-web/README.md` with build/run instructions and API assumptions.
-  - Document required CORS configuration for blockchain node.
+  - ✅ Update `apps/explorer-web/README.md` with build/run instructions and API assumptions.
+  - ✅ Capture coordinator API + CORS considerations in README deployment notes.
 
 ## Stage 2+
 
diff --git a/docs/roadmap.md b/docs/roadmap.md
index 42d017a..429e42c 100644
--- a/docs/roadmap.md
+++ b/docs/roadmap.md
@@ -17,10 +17,10 @@ This roadmap aggregates high-priority tasks derived from the bootstrap specifica
 
 - **Blockchain Node**
   - ✅ Define SQLModel schema for blocks, transactions, accounts, receipts (`apps/blockchain-node/src/aitbc_chain/models.py`).
-  - ⏳ Harden schema parity across runtime + storage:
-    - Generate Alembic baseline and incremental migrations in `apps/blockchain-node/migrations/` mirroring the current SQLModel definitions.
-    - Wire explicit SQLModel relationships (`Relationship`, `ForeignKey`) for block ↔ transaction ↔ receipt joins per bootstrap spec.
-    - Add validation hooks (SQLModel validators / custom service checks) to enforce hash formatting, foreign key integrity, and enum bounds before persistence.
+  - ✅ Harden schema parity across runtime + storage:
+    - Alembic baseline + follow-on migrations in `apps/blockchain-node/migrations/` now track the SQLModel schema (blocks, transactions, receipts, accounts).
+    - Added `Relationship` + `ForeignKey` wiring in `apps/blockchain-node/src/aitbc_chain/models.py` for block ↔ transaction ↔ receipt joins.
+    - Introduced hex/enum validation hooks via Pydantic validators to ensure hash integrity and safe persistence.
   - ✅ Implement PoA proposer loop with block assembly (`apps/blockchain-node/src/aitbc_chain/consensus/poa.py`).
   - ✅ Expose REST RPC endpoints for tx submission, balances, receipts (`apps/blockchain-node/src/aitbc_chain/rpc/router.py`).
   - ⏳ Deliver WebSocket RPC + P2P gossip layer:
@@ -38,25 +38,24 @@ This roadmap aggregates high-priority tasks derived from the bootstrap specifica
 - **Receipt Schema**
   - ✅ Finalize canonical JSON receipt format under `protocols/receipts/` (includes sample signed receipts).
   - ✅ Implement signing/verification helpers in `packages/py/aitbc-crypto` (JS SDK pending).
-  - Translate `docs/bootstrap/aitbc_tech_plan.md` contract skeleton into Solidity project.
-  - Add deployment/test scripts and document minting flow.
+  - ✅ Translate `docs/bootstrap/aitbc_tech_plan.md` contract skeleton into Solidity project (`packages/solidity/aitbc-token/`).
+  - ✅ Add deployment/test scripts and document minting flow (`packages/solidity/aitbc-token/scripts/` and `docs/run.md`).
 
 - **Wallet Daemon**
-  - Implement encrypted keystore (Argon2id + XChaCha20-Poly1305).
-  - Provide REST and JSON-RPC endpoints for wallet management and signing.
-  - Add mock ledger adapter with SQLite backend.
+  - ✅ Implement encrypted keystore (Argon2id + XChaCha20-Poly1305) via `KeystoreService`.
+  - ✅ Provide REST and JSON-RPC endpoints for wallet management and signing (`api_rest.py`, `api_jsonrpc.py`).
+  - ✅ Add mock ledger adapter with SQLite backend powering event history (`ledger_mock/`).
   - ✅ Integrate Python receipt verification helpers (`aitbc_sdk`) and expose API/service utilities validating miner + coordinator signatures.
-  - ⏳ Implement Wallet SDK receipt ingestion + attestation surfacing:
-    - Add client for `/v1/jobs/{job_id}/receipts` with pagination + retry support (`packages/py/aitbc-sdk/src/receipts.py`).
-    - Reuse signature verification helpers to validate miner + coordinator attestations before exposing results.
-    - Surface aggregated attestation status + failure reasons via SDK API for UI consumption; mirror logic in pending JS helper.
+  - ✅ Implement Wallet SDK receipt ingestion + attestation surfacing:
+    - Added `/v1/jobs/{job_id}/receipts` client helpers with cursor pagination, retry/backoff, and summary reporting (`packages/py/aitbc-sdk/src/receipts.py`).
+    - Reused crypto helpers to validate miner and coordinator signatures, capturing per-key failure reasons for downstream UX.
+    - Surfaced aggregated attestation status (`ReceiptStatus`) and failure diagnostics for SDK + UI consumers; JS helper parity still planned.
 
-## Stage 3 — Pool Hub & Marketplace
+## Stage 2 — Pool Hub & Marketplace
 
 - **Pool Hub**
-  - Implement miner registry, scoring engine, and `/v1/match` API.
-  - Integrate Redis/PostgreSQL backing stores per bootstrap spec.
-  - Add observability endpoints (`/v1/health`, `/v1/metrics`).
+  - ✅ Implement miner registry, scoring engine, and `/v1/match` API with Redis/PostgreSQL backing stores.
+  - ✅ Add observability endpoints (`/v1/health`, `/v1/metrics`) plus Prometheus instrumentation and integration tests.
 
 - **Marketplace Web**
   - Initialize Vite project with vanilla TypeScript.
@@ -69,6 +68,7 @@ This roadmap aggregates high-priority tasks derived from the bootstrap specifica
   - ✅ Seed mock datasets (`public/mock/`) and fetch helpers powering overview + blocks tables.
   - ✅ Extend mock integrations to transactions, addresses, and receipts pages.
   - ✅ Implement styling system, mock/live data toggle, and coordinator API wiring scaffold.
+  - ✅ Render overview stats from mock block/transaction/receipt summaries with graceful empty-state fallbacks.
   - ⏳ Validate live mode + responsive polish:
     - Hit live coordinator endpoints (`/v1/blocks`, `/v1/transactions`, `/v1/addresses`, `/v1/receipts`) via `getDataMode() === "live"` and reconcile payloads with UI models.
     - Add fallbacks + error surfacing for partial/failed live responses (toast + console diagnostics).
@@ -84,8 +84,7 @@ This roadmap aggregates high-priority tasks derived from the bootstrap specifica
     - Provide end-to-end tests + examples validating Pool Hub + wallet flows leveraging the coordinator receipt verification primitives.
 
 - **JavaScript SDK (`packages/js/aitbc-sdk`)**
-  - Provide fetch-based wrapper for web clients.
-  - Offer TypeScript definitions and basic auth handling.
+  - ✅ Provide fetch-based wrapper for web clients with TypeScript definitions and basic auth helpers.
 
 - **Examples**
   - Populate quickstart clients (Python/JS) with working code.
@@ -109,6 +108,7 @@ Use this roadmap as the canonical checklist during implementation. Mark complete
 
 - **Blockchain Node**: bootstrap module layout (`apps/blockchain-node/src/`), implement SQLModel schemas and RPC stubs aligned with historical/attested receipts.
 - **Explorer Web**: finish mock integration across all pages, add styling + mock/live toggle, and begin wiring coordinator endpoints (e.g., `/v1/jobs/{job_id}/receipts`).
+  - Current focus: reuse new overview metrics scaffolding for blocks/transactions detail views and expand coverage to live data mode.
 - **Marketplace Web**: scaffold Vite/vanilla frontends with mock integrations consuming the coordinator receipt history endpoints and SDK examples.
 - **Pool Hub**: initialize FastAPI project, scoring registry, and telemetry ingestion hooks leveraging coordinator/miner metrics.
 - **CI Enhancements**: add blockchain-node tests once available and frontend build/lint checks to `.github/workflows/python-tests.yml` or follow-on workflows.
diff --git a/docs/run.md b/docs/run.md
index 6bc26d1..84293ed 100644
--- a/docs/run.md
+++ b/docs/run.md
@@ -75,34 +75,84 @@ These instructions cover the newly scaffolded services. Install dependencies usi
    print("miner signature valid:", verification.miner_signature.valid)
    print("coordinator attestations:", [att.valid for att in verification.coordinator_attestations])
    PY
-   ```
    For receipts containing `attestations`, iterate the list and verify each entry with the corresponding public key.
    A JavaScript helper will ship with the Stage 2 SDK under `packages/js/`; until then, receipts can be verified with Node.js by loading the canonical JSON and invoking an Ed25519 verify function from `tweetnacl` (the payload is `canonical_json(receipt)` and the public key is `receipt.signature.public_key`).
    Example Node.js snippet:
    ```bash
    node <<'JS'
-   import fs from "fs";
-   import nacl from "tweetnacl";
-   import canonical from "json-canonicalize";
+  import fs from "fs";
+  import nacl from "tweetnacl";
+  import canonical from "json-canonicalize";
 
-   const receipt = JSON.parse(fs.readFileSync("receipt.json", "utf-8"));
-   const message = canonical(receipt).trim();
-   const sig = receipt.signature.sig;
-   const key = receipt.signature.key_id;
+  const receipt = JSON.parse(fs.readFileSync("receipt.json", "utf-8"));
+  const message = canonical(receipt).trim();
+  const sig = receipt.signature.sig;
+  const key = receipt.signature.key_id;
 
    const signature = Buffer.from(sig.replace(/-/g, "+").replace(/_/g, "/"), "base64");
    const publicKey = Buffer.from(key.replace(/-/g, "+").replace(/_/g, "/"), "base64");
 
    const ok = nacl.sign.detached.verify(Buffer.from(message, "utf-8"), signature, publicKey);
-   console.log("verified:", ok);
-   JS
+  console.log("verified:", ok);
+  JS
+  ```
+
+## Solidity Token (`packages/solidity/aitbc-token/`)
+
+1. Navigate to the token project:
+   ```bash
+   cd packages/solidity/aitbc-token
+   npm install
    ```
+2. Run the contract unit tests:
+   ```bash
+   npx hardhat test
+   ```
+3. Deploy `AIToken` to the configured Hardhat network. Provide the coordinator (required) and attestor (optional) role recipients via environment variables:
+   ```bash
+   COORDINATOR_ADDRESS=0xCoordinator \
+   ATTESTOR_ADDRESS=0xAttestor \
+   npx hardhat run scripts/deploy.ts --network localhost
+   ```
+   The script prints the deployed address and automatically grants the coordinator and attestor roles if they are not already assigned. Export the printed address for follow-on steps:
+   ```bash
+   export AITOKEN_ADDRESS=0xDeployedAddress
+   ```
+4. Mint tokens against an attested receipt by calling the contract from Hardhat’s console or a script. The helper below loads the deployed contract and invokes `mintWithReceipt` with an attestor signature:
+   ```ts
+   // scripts/mintWithReceipt.ts
+   import { ethers } from "hardhat";
+   import { AIToken__factory } from "../typechain-types";
+
+   async function main() {
+     const [coordinator] = await ethers.getSigners();
+     const token = AIToken__factory.connect(process.env.AITOKEN_ADDRESS!, coordinator);
+
+     const provider = "0xProvider";
+     const units = 100n;
+     const receiptHash = "0x...";
+     const signature = "0xSignedStructHash";
+
+     const tx = await token.mintWithReceipt(provider, units, receiptHash, signature);
+     await tx.wait();
+     console.log("Mint complete", await token.balanceOf(provider));
+   }
+
+   main().catch((err) => {
+     console.error(err);
+     process.exitCode = 1;
+   });
+   ```
+   Execute the helper with `AITOKEN_ADDRESS` exported and the signature produced by the attestor key used in your tests or integration flow:
+   ```bash
+   AITOKEN_ADDRESS=$AITOKEN_ADDRESS npx ts-node scripts/mintWithReceipt.ts
+   ```
+5. To derive the signature payload, reuse the `buildSignature` helper from `test/aitoken.test.ts` or recreate it in a script. The struct hash encodes `(chainId, contractAddress, provider, units, receiptHash)` and must be signed by an authorized attestor account.
 
 ## Wallet Daemon (`apps/wallet-daemon/`)
 
 1. Navigate to the service directory:
    ```bash
-   cd apps/wallet-daemon
    ```
 2. Install dependencies:
    ```bash
diff --git a/packages/js/aitbc-sdk/package.json b/packages/js/aitbc-sdk/package.json
new file mode 100644
index 0000000..62faf1d
--- /dev/null
+++ b/packages/js/aitbc-sdk/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "@aitbc/aitbc-sdk",
+  "version": "0.1.0",
+  "description": "AITBC JavaScript SDK for coordinator receipts",
+  "type": "module",
+  "main": "dist/index.js",
+  "module": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "scripts": {
+    "build": "tsc -p tsconfig.json",
+    "test": "vitest run",
+    "test:watch": "vitest"
+  },
+  "dependencies": {
+    "cross-fetch": "^4.0.0"
+  },
+  "devDependencies": {
+    "@types/node": "^20.11.30",
+    "typescript": "^5.4.5",
+    "vitest": "^1.6.0"
+  },
+  "keywords": ["aitbc", "sdk", "receipts"],
+  "author": "AITBC Team",
+  "license": "MIT"
+}
diff --git a/packages/js/aitbc-sdk/src/client.test.ts b/packages/js/aitbc-sdk/src/client.test.ts
new file mode 100644
index 0000000..8564867
--- /dev/null
+++ b/packages/js/aitbc-sdk/src/client.test.ts
@@ -0,0 +1,23 @@
+import { describe, expect, it } from "vitest";
+
+import { AitbcClient } from "./client";
+
+const createClient = () =>
+  new AitbcClient({
+    baseUrl: "https://api.example.com",
+    apiKey: "test-key",
+    fetchImpl: async (input: RequestInfo | URL, init?: RequestInit) =>
+      new Response(JSON.stringify({ job_id: "job", candidates: [] }), {
+        status: 200,
+        headers: { "Content-Type": "application/json" },
+      }),
+  });
+
+describe("AitbcClient", () => {
+  it("sends match requests", async () => {
+    const client = createClient();
+    const response = await client.match({ jobId: "job" });
+    expect(response.jobId).toBe("job");
+    expect(response.candidates).toEqual([]);
+  });
+});
diff --git a/packages/js/aitbc-sdk/src/client.ts b/packages/js/aitbc-sdk/src/client.ts
new file mode 100644
index 0000000..5a11081
--- /dev/null
+++ b/packages/js/aitbc-sdk/src/client.ts
@@ -0,0 +1,138 @@
+import type {
+  ClientOptions,
+  MatchRequest,
+  MatchResponse,
+  HealthResponse,
+  MetricsResponse,
+  WalletSignRequest,
+  WalletSignResponse,
+  RequestOptions,
+} from "./types";
+
+const DEFAULT_HEADERS = {
+  "Content-Type": "application/json",
+  Accept: "application/json",
+};
+
+export class AitbcClient {
+  private readonly baseUrl: string;
+  private readonly apiKey?: string;
+  private readonly basicAuth?: ClientOptions["basicAuth"];
+  private readonly fetchImpl: typeof fetch;
+
+  constructor(options: ClientOptions) {
+    this.baseUrl = options.baseUrl.replace(/\/$/, "");
+    this.apiKey = options.apiKey;
+    this.basicAuth = options.basicAuth;
+    this.fetchImpl = options.fetchImpl ?? fetch;
+  }
+
+  async match(payload: MatchRequest, options?: RequestOptions): Promise<MatchResponse> {
+    const raw = await this.request<any>("POST", "/v1/match", {
+      ...options,
+      body: JSON.stringify({
+        job_id: payload.jobId,
+        requirements: payload.requirements ?? {},
+        hints: payload.hints ?? {},
+        top_k: payload.topK ?? 1,
+      }),
+    });
+    return {
+      jobId: raw.job_id,
+      candidates: (raw.candidates ?? []).map((candidate: any) => ({
+        minerId: candidate.miner_id,
+        addr: candidate.addr,
+        proto: candidate.proto,
+        score: candidate.score,
+        explain: candidate.explain,
+        etaMs: candidate.eta_ms,
+        price: candidate.price,
+      })),
+    };
+  }
+
+  async health(options?: RequestOptions): Promise<HealthResponse> {
+    const raw = await this.request<any>("GET", "/v1/health", options);
+    return {
+      status: raw.status,
+      db: raw.db,
+      redis: raw.redis,
+      minersOnline: raw.miners_online,
+      dbError: raw.db_error ?? null,
+      redisError: raw.redis_error ?? null,
+    };
+  }
+
+  async metrics(options?: RequestOptions): Promise<MetricsResponse> {
+    const response = await this.rawRequest("GET", "/metrics", options);
+    const raw = await response.text();
+    return { raw };
+  }
+
+  async sign(request: WalletSignRequest, options?: RequestOptions): Promise<WalletSignResponse> {
+    return this.request<WalletSignResponse>("POST", `/v1/wallets/${encodeURIComponent(request.walletId)}/sign`, {
+      ...options,
+      body: JSON.stringify({
+        password: request.password,
+        message_base64: request.messageBase64,
+      }),
+    });
+  }
+
+  private async request<T>(method: string, path: string, options: RequestOptions = {}): Promise<T> {
+    const response = await this.rawRequest(method, path, options);
+    const text = await response.text();
+    if (!response.ok) {
+      throw new Error(`AITBC request failed (${response.status}): ${text || response.statusText}`);
+    }
+    return text ? (JSON.parse(text) as T) : ({} as T);
+  }
+
+  private async rawRequest(method: string, path: string, options: RequestOptions = {}): Promise<Response> {
+    const url = this.buildUrl(path, options.query);
+    const headers = this.buildHeaders(options.headers);
+
+    return this.fetchImpl(url, {
+      method,
+      ...options,
+      headers,
+    });
+  }
+
+  private buildUrl(path: string, query?: RequestOptions["query"]): string {
+    const url = new URL(`${this.baseUrl}${path}`);
+    if (query) {
+      for (const [key, value] of Object.entries(query)) {
+        if (value !== undefined) {
+          url.searchParams.set(key, String(value));
+        }
+      }
+    }
+    return url.toString();
+  }
+
+  private buildHeaders(extra?: HeadersInit): HeadersInit {
+    const headers: Record<string, string> = { ...DEFAULT_HEADERS };
+    if (this.apiKey) {
+      headers["X-Api-Key"] = this.apiKey;
+    }
+    if (this.basicAuth) {
+      const token = btoa(`${this.basicAuth.username}:${this.basicAuth.password}`);
+      headers["Authorization"] = `Basic ${token}`;
+    }
+    if (extra) {
+      if (extra instanceof Headers) {
+        extra.forEach((value, key) => {
+          headers[key] = value;
+        });
+      } else if (Array.isArray(extra)) {
+        for (const [key, value] of extra) {
+          headers[key] = value;
+        }
+      } else {
+        Object.assign(headers, extra as Record<string, string>);
+      }
+    }
+    return headers;
+  }
+}
diff --git a/packages/js/aitbc-sdk/src/types.ts b/packages/js/aitbc-sdk/src/types.ts
new file mode 100644
index 0000000..0f10c4d
--- /dev/null
+++ b/packages/js/aitbc-sdk/src/types.ts
@@ -0,0 +1,59 @@
+export interface MatchRequest {
+  jobId: string;
+  requirements?: Record<string, unknown>;
+  hints?: Record<string, unknown>;
+  topK?: number;
+}
+
+export interface MatchCandidate {
+  minerId: string;
+  addr: string;
+  proto: string;
+  score: number;
+  explain?: string;
+  etaMs?: number;
+  price?: number;
+}
+
+export interface MatchResponse {
+  jobId: string;
+  candidates: MatchCandidate[];
+}
+
+export interface HealthResponse {
+  status: "ok" | "degraded";
+  db: boolean;
+  redis: boolean;
+  minersOnline: number;
+  dbError?: string | null;
+  redisError?: string | null;
+}
+
+export interface MetricsResponse {
+  raw: string;
+}
+
+export interface WalletSignRequest {
+  walletId: string;
+  password: string;
+  messageBase64: string;
+}
+
+export interface WalletSignResponse {
+  walletId: string;
+  signatureBase64: string;
+}
+
+export interface ClientOptions {
+  baseUrl: string;
+  apiKey?: string;
+  basicAuth?: {
+    username: string;
+    password: string;
+  };
+  fetchImpl?: typeof fetch;
+}
+
+export interface RequestOptions extends RequestInit {
+  query?: Record<string, string | number | boolean | undefined>;
+}
diff --git a/packages/js/aitbc-sdk/tsconfig.json b/packages/js/aitbc-sdk/tsconfig.json
new file mode 100644
index 0000000..7f61fbe
--- /dev/null
+++ b/packages/js/aitbc-sdk/tsconfig.json
@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "ESNext",
+    "moduleResolution": "Node",
+    "declaration": true,
+    "declarationDir": "dist",
+    "outDir": "dist",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "include": ["src/**/*.ts"],
+  "exclude": ["dist", "node_modules"]
+}
diff --git a/packages/py/aitbc-sdk/src/aitbc_sdk/__init__.py b/packages/py/aitbc-sdk/src/aitbc_sdk/__init__.py
index 1d05dbb..89032e9 100644
--- a/packages/py/aitbc-sdk/src/aitbc_sdk/__init__.py
+++ b/packages/py/aitbc-sdk/src/aitbc_sdk/__init__.py
@@ -2,6 +2,7 @@
 
 from .receipts import (
     CoordinatorReceiptClient,
+    ReceiptPage,
     ReceiptVerification,
     SignatureValidation,
     verify_receipt,
@@ -10,6 +11,7 @@ from .receipts import (
 
 __all__ = [
     "CoordinatorReceiptClient",
+    "ReceiptPage",
     "ReceiptVerification",
     "SignatureValidation",
     "verify_receipt",
diff --git a/packages/py/aitbc-sdk/src/aitbc_sdk/receipts.py b/packages/py/aitbc-sdk/src/aitbc_sdk/receipts.py
index 4966936..285f2f1 100644
--- a/packages/py/aitbc-sdk/src/aitbc_sdk/receipts.py
+++ b/packages/py/aitbc-sdk/src/aitbc_sdk/receipts.py
@@ -1,7 +1,8 @@
 from __future__ import annotations
 
-from dataclasses import dataclass
-from typing import Any, Dict, Iterable, List, Optional
+import time
+from dataclasses import dataclass, field
+from typing import Any, Dict, Iterable, Iterator, List, Optional
 
 import httpx
 import base64
@@ -14,6 +15,7 @@ class SignatureValidation:
     key_id: str
     valid: bool
     algorithm: str = "Ed25519"
+    reason: Optional[str] = None
 
 
 @dataclass
@@ -28,12 +30,58 @@ class ReceiptVerification:
             return False
         return all(att.valid for att in self.coordinator_attestations)
 
+    def failure_reasons(self) -> List[str]:
+        reasons: List[str] = []
+        if not self.miner_signature.valid:
+            key_part = self.miner_signature.key_id or "unknown"
+            reasons.append(f"miner_signature_invalid:{key_part}")
+        for att in self.coordinator_attestations:
+            if not att.valid:
+                key_part = att.key_id or "unknown"
+                reasons.append(f"coordinator_attestation_invalid:{key_part}")
+        return reasons
+
+
+@dataclass
+class ReceiptFailure:
+    receipt_id: str
+    reasons: List[str]
+    verification: ReceiptVerification
+
+
+@dataclass
+class ReceiptStatus:
+    job_id: str
+    total: int
+    verified_count: int
+    failed: List[ReceiptVerification] = field(default_factory=list)
+    latest_verified: Optional[ReceiptVerification] = None
+    failure_reasons: Dict[str, int] = field(default_factory=dict)
+    failures: List[ReceiptFailure] = field(default_factory=list)
+
+    @property
+    def all_verified(self) -> bool:
+        return self.total > 0 and self.verified_count == self.total
+
+    @property
+    def has_failures(self) -> bool:
+        return bool(self.failures)
+
 
 class CoordinatorReceiptClient:
-    def __init__(self, base_url: str, api_key: str, timeout: float = 10.0) -> None:
+    def __init__(
+        self,
+        base_url: str,
+        api_key: str,
+        timeout: float = 10.0,
+        max_retries: int = 3,
+        backoff_seconds: float = 0.5,
+    ) -> None:
         self.base_url = base_url.rstrip("/")
         self.api_key = api_key
         self.timeout = timeout
+        self.max_retries = max_retries
+        self.backoff_seconds = backoff_seconds
 
     def _client(self) -> httpx.Client:
         return httpx.Client(
@@ -43,28 +91,139 @@ class CoordinatorReceiptClient:
         )
 
     def fetch_latest(self, job_id: str) -> Optional[Dict[str, Any]]:
-        with self._client() as client:
-            resp = client.get(f"/v1/jobs/{job_id}/receipt")
-            if resp.status_code == 404:
-                return None
-            resp.raise_for_status()
-            return resp.json()
+        resp = self._request("GET", f"/v1/jobs/{job_id}/receipt", allow_404=True)
+        if resp is None:
+            return None
+        return resp.json()
 
     def fetch_history(self, job_id: str) -> List[Dict[str, Any]]:
-        with self._client() as client:
-            resp = client.get(f"/v1/jobs/{job_id}/receipts")
-            resp.raise_for_status()
-            data = resp.json()
-            if isinstance(data, dict) and isinstance(data.get("items"), list):
-                return data["items"]
-            raise ValueError("unexpected receipt history response shape")
+        return list(self.iter_receipts(job_id=job_id))
+
+    def iter_receipts(self, job_id: str, page_size: int = 100) -> Iterator[Dict[str, Any]]:
+        cursor: Optional[str] = None
+        while True:
+            page = self.fetch_receipts_page(job_id=job_id, cursor=cursor, limit=page_size)
+            for item in page.items:
+                yield item
+
+            if not page.next_cursor:
+                break
+            cursor = page.next_cursor
+
+    def fetch_receipts_page(
+        self,
+        *,
+        job_id: str,
+        cursor: Optional[str] = None,
+        limit: Optional[int] = 100,
+    ) -> "ReceiptPage":
+        params: Dict[str, Any] = {}
+        if cursor:
+            params["cursor"] = cursor
+        if limit is not None:
+            params["limit"] = limit
+
+        response = self._request("GET", f"/v1/jobs/{job_id}/receipts", params=params)
+        payload = response.json()
+
+        if isinstance(payload, list):
+            items = payload
+            next_cursor: Optional[str] = None
+            raw: Dict[str, Any] = {"items": items}
+        else:
+            items = list(payload.get("items") or [])
+            next_cursor = payload.get("next_cursor") or payload.get("next") or payload.get("cursor")
+            raw = payload
+
+        return ReceiptPage(items=items, next_cursor=next_cursor, raw=raw)
+
+    def summarize_receipts(self, job_id: str, page_size: int = 100) -> "ReceiptStatus":
+        receipts = list(self.iter_receipts(job_id=job_id, page_size=page_size))
+        if not receipts:
+            return ReceiptStatus(job_id=job_id, total=0, verified_count=0, failed=[], latest_verified=None)
+
+        verifications = verify_receipts(receipts)
+        verified = [v for v in verifications if v.verified]
+        failed = [v for v in verifications if not v.verified]
+        failures: List[ReceiptFailure] = []
+        reason_counts: Dict[str, int] = {}
+
+        for verification in failed:
+            reasons = verification.failure_reasons()
+            receipt_id = str(
+                verification.receipt.get("receipt_id")
+                or verification.receipt.get("id")
+                or verification.receipt.get("uuid")
+                or ""
+            )
+            for reason in reasons:
+                reason_counts[reason] = reason_counts.get(reason, 0) + 1
+            failures.append(ReceiptFailure(receipt_id=receipt_id, reasons=reasons, verification=verification))
+
+        latest_verified = verified[-1] if verified else None
+        return ReceiptStatus(
+            job_id=job_id,
+            total=len(verifications),
+            verified_count=len(verified),
+            failed=failed,
+            latest_verified=latest_verified,
+            failure_reasons=reason_counts,
+            failures=failures,
+        )
+
+    def _request(
+        self,
+        method: str,
+        url: str,
+        *,
+        params: Optional[Dict[str, Any]] = None,
+        allow_404: bool = False,
+    ) -> Optional[httpx.Response]:
+        attempt = 0
+        while True:
+            try:
+                with self._client() as client:
+                    response = client.request(method=method, url=url, params=params)
+            except httpx.HTTPError:
+                if attempt >= self.max_retries:
+                    raise
+                attempt += 1
+                time.sleep(self.backoff_seconds * (2 ** (attempt - 1)))
+                continue
+
+            if response.status_code == 404 and allow_404:
+                return None
+
+            if response.status_code in {429} or response.status_code >= 500:
+                if attempt >= self.max_retries:
+                    response.raise_for_status()
+                else:
+                    attempt += 1
+                    time.sleep(self.backoff_seconds * (2 ** (attempt - 1)))
+                    continue
+
+            response.raise_for_status()
+            return response
+
+
+@dataclass
+class ReceiptPage:
+    items: List[Dict[str, Any]]
+    next_cursor: Optional[str] = None
+    raw: Dict[str, Any] = field(default_factory=dict)
 
 
 def _verify_signature(payload: Dict[str, Any], signature: Dict[str, Any]) -> SignatureValidation:
     key_id = signature.get("key_id", "")
     verifier = ReceiptVerifier(_decode_key(key_id))
-    valid = verifier.verify(payload, signature)
-    return SignatureValidation(key_id=key_id, valid=valid)
+    try:
+        valid = verifier.verify(payload, signature)
+        reason: Optional[str] = None if valid else "signature mismatch"
+    except Exception as exc:  # pragma: no cover - verifier could raise on malformed payloads
+        valid = False
+        reason = str(exc) or "signature verification error"
+    algorithm = signature.get("algorithm") or "Ed25519"
+    return SignatureValidation(key_id=key_id, valid=valid, algorithm=algorithm, reason=reason)
 
 
 def verify_receipt(receipt: Dict[str, Any]) -> ReceiptVerification:
diff --git a/packages/py/aitbc-sdk/tests/test_receipts.py b/packages/py/aitbc-sdk/tests/test_receipts.py
index 67a65d9..7b892eb 100644
--- a/packages/py/aitbc-sdk/tests/test_receipts.py
+++ b/packages/py/aitbc-sdk/tests/test_receipts.py
@@ -4,12 +4,16 @@ from dataclasses import dataclass
 from typing import Dict, List, Optional
 
 import pytest
+import httpx
 from nacl.signing import SigningKey
 
 from aitbc_crypto.signing import ReceiptSigner
 
 from aitbc_sdk.receipts import (
     CoordinatorReceiptClient,
+    ReceiptFailure,
+    ReceiptPage,
+    ReceiptStatus,
     ReceiptVerification,
     verify_receipt,
     verify_receipts,
@@ -53,6 +57,8 @@ def test_verify_receipt_success(sample_payload: Dict[str, object]) -> None:
     assert isinstance(result, ReceiptVerification)
     assert result.miner_signature.valid is True
     assert result.verified is True
+    assert result.failure_reasons() == []
+    assert result.miner_signature.reason is None
 
 
 def test_verify_receipt_failure(sample_payload: Dict[str, object]) -> None:
@@ -63,6 +69,8 @@ def test_verify_receipt_failure(sample_payload: Dict[str, object]) -> None:
     result = verify_receipt(receipt)
     assert result.miner_signature.valid is False
     assert result.verified is False
+    assert result.failure_reasons() == [f"miner_signature_invalid:{result.miner_signature.key_id}"]
+    assert result.miner_signature.reason == "signature mismatch"
 
 
 def test_verify_receipts_batch(sample_payload: Dict[str, object]) -> None:
@@ -84,33 +92,20 @@ class _DummyResponse:
 
     def raise_for_status(self) -> None:
         if self.status_code >= 400:
-            raise Exception(f"HTTP {self.status_code}")
-
-
-class _DummyClient:
-    def __init__(self, responses: List[_DummyResponse]):
-        self._responses = responses
-
-    def get(self, url: str, *args, **kwargs) -> _DummyResponse:
-        if not self._responses:
-            raise AssertionError("no more responses configured")
-        return self._responses.pop(0)
-
-    def __enter__(self) -> "_DummyClient":
-        return self
-
-    def __exit__(self, exc_type, exc, tb) -> None:
-        pass
+            raise httpx.HTTPStatusError(
+                f"HTTP {self.status_code}", request=None, response=httpx.Response(self.status_code)
+            )
 
 
 def test_coordinator_receipt_client_latest(monkeypatch, sample_payload: Dict[str, object]) -> None:
     signing_key = SigningKey.generate()
     receipt = _sign_receipt(sample_payload, signing_key)
 
-    def _mock_client(self) -> _DummyClient:
-        return _DummyClient([_DummyResponse(200, receipt)])
+    def _mock_request(self, method, url, params=None, allow_404=False):
+        assert method == "GET"
+        return _DummyResponse(200, receipt)
 
-    monkeypatch.setattr(CoordinatorReceiptClient, "_client", _mock_client)
+    monkeypatch.setattr(CoordinatorReceiptClient, "_request", _mock_request)
 
     client = CoordinatorReceiptClient("https://coordinator", "api")
     fetched = client.fetch_latest("job-123")
@@ -121,10 +116,11 @@ def test_coordinator_receipt_client_history(monkeypatch, sample_payload: Dict[st
     signing_key = SigningKey.generate()
     receipts = [_sign_receipt(sample_payload, signing_key)]
 
-    def _mock_client(self) -> _DummyClient:
-        return _DummyClient([_DummyResponse(200, {"items": receipts})])
+    def _mock_request(self, method, url, params=None, allow_404=False):
+        assert method == "GET"
+        return _DummyResponse(200, {"items": receipts})
 
-    monkeypatch.setattr(CoordinatorReceiptClient, "_client", _mock_client)
+    monkeypatch.setattr(CoordinatorReceiptClient, "_request", _mock_request)
 
     client = CoordinatorReceiptClient("https://coordinator", "api")
     history = client.fetch_history("job-123")
@@ -132,10 +128,153 @@ def test_coordinator_receipt_client_history(monkeypatch, sample_payload: Dict[st
 
 
 def test_coordinator_receipt_client_latest_404(monkeypatch) -> None:
-    def _mock_client(self) -> _DummyClient:
-        return _DummyClient([_DummyResponse(404, {})])
+    def _mock_request(self, method, url, params=None, allow_404=False):
+        assert allow_404 is True
+        return None
 
-    monkeypatch.setattr(CoordinatorReceiptClient, "_client", _mock_client)
+    monkeypatch.setattr(CoordinatorReceiptClient, "_request", _mock_request)
 
     client = CoordinatorReceiptClient("https://coordinator", "api")
     assert client.fetch_latest("job-missing") is None
+
+
+def test_fetch_receipts_page_list(monkeypatch, sample_payload: Dict[str, object]) -> None:
+    items = [_sign_receipt(sample_payload, SigningKey.generate())]
+
+    def _mock_request(self, method, url, params=None, allow_404=False):
+        return _DummyResponse(200, items)
+
+    monkeypatch.setattr(CoordinatorReceiptClient, "_request", _mock_request)
+
+    client = CoordinatorReceiptClient("https://coordinator", "api")
+    page = client.fetch_receipts_page(job_id="job-1")
+    assert isinstance(page, ReceiptPage)
+    assert page.items == items
+    assert page.next_cursor is None
+
+
+def test_fetch_receipts_page_dict_with_cursor(monkeypatch, sample_payload: Dict[str, object]) -> None:
+    signing_key = SigningKey.generate()
+    receipts = [_sign_receipt(sample_payload, signing_key)]
+    responses = [
+        _DummyResponse(200, {"items": receipts, "next_cursor": "cursor-1"}),
+        _DummyResponse(200, {"items": receipts, "next": None}),
+    ]
+
+    def _mock_request(self, method, url, params=None, allow_404=False):
+        assert method == "GET"
+        return responses.pop(0)
+
+    monkeypatch.setattr(CoordinatorReceiptClient, "_request", _mock_request)
+
+    client = CoordinatorReceiptClient("https://coordinator", "api")
+    first_page = client.fetch_receipts_page(job_id="job-1")
+    assert first_page.next_cursor == "cursor-1"
+    second_page = client.fetch_receipts_page(job_id="job-1", cursor=first_page.next_cursor)
+    assert second_page.next_cursor is None
+
+
+def test_iter_receipts_handles_pagination(monkeypatch, sample_payload: Dict[str, object]) -> None:
+    signing_key = SigningKey.generate()
+    receipt_a = _sign_receipt(sample_payload, signing_key)
+    receipt_b = _sign_receipt(sample_payload, signing_key)
+    responses = [
+        _DummyResponse(200, {"items": [receipt_a], "next_cursor": "cursor-2"}),
+        _DummyResponse(200, {"items": [receipt_b]}),
+    ]
+
+    def _mock_request(self, method, url, params=None, allow_404=False):
+        return responses.pop(0)
+
+    monkeypatch.setattr(CoordinatorReceiptClient, "_request", _mock_request)
+
+    client = CoordinatorReceiptClient("https://coordinator", "api")
+    collected = list(client.iter_receipts("job-123", page_size=1))
+    assert collected == [receipt_a, receipt_b]
+
+
+def test_request_retries_on_transient(monkeypatch, sample_payload: Dict[str, object]) -> None:
+    responses: List[object] = [
+        httpx.ReadTimeout("timeout"),
+        _DummyResponse(429, {}),
+        _DummyResponse(200, {}),
+    ]
+
+    class _RetryClient:
+        def __init__(self, shared: List[object]):
+            self._shared = shared
+
+        def request(self, method: str, url: str, params=None):
+            obj = self._shared.pop(0)
+            if isinstance(obj, Exception):
+                raise obj
+            return obj
+
+        def __enter__(self) -> "_RetryClient":
+            return self
+
+        def __exit__(self, exc_type, exc, tb) -> None:
+            pass
+
+    def _mock_client(self):
+        return _RetryClient(responses)
+
+    monkeypatch.setattr(CoordinatorReceiptClient, "_client", _mock_client)
+    monkeypatch.setattr("aitbc_sdk.receipts.time.sleep", lambda *_args: None)
+
+    client = CoordinatorReceiptClient("https://coordinator", "api", max_retries=3)
+    response = client._request("GET", "/v1/jobs/job-1/receipts")
+    assert isinstance(response, _DummyResponse)
+    assert response.status_code == 200
+
+
+def test_summarize_receipts_all_verified(monkeypatch, sample_payload: Dict[str, object]) -> None:
+    signing_key = SigningKey.generate()
+    receipts = [_sign_receipt(sample_payload, signing_key) for _ in range(2)]
+
+    def _fake_iter(self, job_id: str, page_size: int = 100):
+        yield from receipts
+
+    monkeypatch.setattr(CoordinatorReceiptClient, "iter_receipts", _fake_iter)
+
+    client = CoordinatorReceiptClient("https://coordinator", "api")
+    status = client.summarize_receipts("job-verified")
+
+    assert isinstance(status, ReceiptStatus)
+    assert status.total == 2
+    assert status.verified_count == 2
+    assert status.all_verified is True
+    assert status.has_failures is False
+    assert status.failure_reasons == {}
+    assert status.failures == []
+    assert isinstance(status.latest_verified, ReceiptVerification)
+
+
+def test_summarize_receipts_with_failures(monkeypatch, sample_payload: Dict[str, object]) -> None:
+    signing_key = SigningKey.generate()
+    good = _sign_receipt(sample_payload, signing_key)
+
+    bad = dict(good)
+    bad["metadata"] = {"job_payload": {"task": "tampered"}}
+
+    receipts = [good, bad]
+
+    def _fake_iter(self, job_id: str, page_size: int = 100):
+        yield from receipts
+
+    monkeypatch.setattr(CoordinatorReceiptClient, "iter_receipts", _fake_iter)
+
+    client = CoordinatorReceiptClient("https://coordinator", "api")
+    status = client.summarize_receipts("job-mixed")
+
+    assert status.total == 2
+    assert status.verified_count == 1
+    assert status.all_verified is False
+    assert status.has_failures is True
+    assert status.failure_reasons  # not empty
+    assert status.failure_reasons[next(iter(status.failure_reasons))] == 1
+    assert len(status.failures) == 1
+    failure = status.failures[0]
+    assert isinstance(failure, ReceiptFailure)
+    assert failure.reasons
+    assert failure.verification.miner_signature.valid is False
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/AccessControl.sol/AccessControl.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/AccessControl.sol/AccessControl.dbg.json
new file mode 100644
index 0000000..d940e70
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/AccessControl.sol/AccessControl.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/AccessControl.sol/AccessControl.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/AccessControl.sol/AccessControl.json
new file mode 100644
index 0000000..68fb783
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/AccessControl.sol/AccessControl.json
@@ -0,0 +1,236 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "AccessControl",
+  "sourceName": "@openzeppelin/contracts/access/AccessControl.sol",
+  "abi": [
+    {
+      "inputs": [],
+      "name": "AccessControlBadConfirmation",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "neededRole",
+          "type": "bytes32"
+        }
+      ],
+      "name": "AccessControlUnauthorizedAccount",
+      "type": "error"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "previousAdminRole",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "newAdminRole",
+          "type": "bytes32"
+        }
+      ],
+      "name": "RoleAdminChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "RoleGranted",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "RoleRevoked",
+      "type": "event"
+    },
+    {
+      "inputs": [],
+      "name": "DEFAULT_ADMIN_ROLE",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        }
+      ],
+      "name": "getRoleAdmin",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "grantRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "hasRole",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "callerConfirmation",
+          "type": "address"
+        }
+      ],
+      "name": "renounceRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "revokeRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes4",
+          "name": "interfaceId",
+          "type": "bytes4"
+        }
+      ],
+      "name": "supportsInterface",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    }
+  ],
+  "bytecode": "0x",
+  "deployedBytecode": "0x",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/IAccessControl.sol/IAccessControl.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/IAccessControl.sol/IAccessControl.dbg.json
new file mode 100644
index 0000000..d940e70
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/IAccessControl.sol/IAccessControl.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/IAccessControl.sol/IAccessControl.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/IAccessControl.sol/IAccessControl.json
new file mode 100644
index 0000000..cdd4cba
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/access/IAccessControl.sol/IAccessControl.json
@@ -0,0 +1,204 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "IAccessControl",
+  "sourceName": "@openzeppelin/contracts/access/IAccessControl.sol",
+  "abi": [
+    {
+      "inputs": [],
+      "name": "AccessControlBadConfirmation",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "neededRole",
+          "type": "bytes32"
+        }
+      ],
+      "name": "AccessControlUnauthorizedAccount",
+      "type": "error"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "previousAdminRole",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "newAdminRole",
+          "type": "bytes32"
+        }
+      ],
+      "name": "RoleAdminChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "RoleGranted",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "RoleRevoked",
+      "type": "event"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        }
+      ],
+      "name": "getRoleAdmin",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "grantRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "hasRole",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "callerConfirmation",
+          "type": "address"
+        }
+      ],
+      "name": "renounceRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "revokeRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
+  ],
+  "bytecode": "0x",
+  "deployedBytecode": "0x",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors.dbg.json
new file mode 100644
index 0000000..d940e70
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors.json
new file mode 100644
index 0000000..107d16f
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors.json
@@ -0,0 +1,113 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "IERC1155Errors",
+  "sourceName": "@openzeppelin/contracts/interfaces/draft-IERC6093.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "balance",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "needed",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "tokenId",
+          "type": "uint256"
+        }
+      ],
+      "name": "ERC1155InsufficientBalance",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "approver",
+          "type": "address"
+        }
+      ],
+      "name": "ERC1155InvalidApprover",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "idsLength",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "valuesLength",
+          "type": "uint256"
+        }
+      ],
+      "name": "ERC1155InvalidArrayLength",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "operator",
+          "type": "address"
+        }
+      ],
+      "name": "ERC1155InvalidOperator",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "receiver",
+          "type": "address"
+        }
+      ],
+      "name": "ERC1155InvalidReceiver",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "ERC1155InvalidSender",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "operator",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        }
+      ],
+      "name": "ERC1155MissingApprovalForAll",
+      "type": "error"
+    }
+  ],
+  "bytecode": "0x",
+  "deployedBytecode": "0x",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors.dbg.json
new file mode 100644
index 0000000..d940e70
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors.json
new file mode 100644
index 0000000..f77ad64
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors.json
@@ -0,0 +1,97 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "IERC20Errors",
+  "sourceName": "@openzeppelin/contracts/interfaces/draft-IERC6093.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "allowance",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "needed",
+          "type": "uint256"
+        }
+      ],
+      "name": "ERC20InsufficientAllowance",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "balance",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "needed",
+          "type": "uint256"
+        }
+      ],
+      "name": "ERC20InsufficientBalance",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "approver",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidApprover",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "receiver",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidReceiver",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidSender",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidSpender",
+      "type": "error"
+    }
+  ],
+  "bytecode": "0x",
+  "deployedBytecode": "0x",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors.dbg.json
new file mode 100644
index 0000000..d940e70
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors.json
new file mode 100644
index 0000000..6ccf3a7
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors.json
@@ -0,0 +1,114 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "IERC721Errors",
+  "sourceName": "@openzeppelin/contracts/interfaces/draft-IERC6093.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "tokenId",
+          "type": "uint256"
+        },
+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        }
+      ],
+      "name": "ERC721IncorrectOwner",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "operator",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "tokenId",
+          "type": "uint256"
+        }
+      ],
+      "name": "ERC721InsufficientApproval",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "approver",
+          "type": "address"
+        }
+      ],
+      "name": "ERC721InvalidApprover",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "operator",
+          "type": "address"
+        }
+      ],
+      "name": "ERC721InvalidOperator",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        }
+      ],
+      "name": "ERC721InvalidOwner",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "receiver",
+          "type": "address"
+        }
+      ],
+      "name": "ERC721InvalidReceiver",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "ERC721InvalidSender",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "tokenId",
+          "type": "uint256"
+        }
+      ],
+      "name": "ERC721NonexistentToken",
+      "type": "error"
+    }
+  ],
+  "bytecode": "0x",
+  "deployedBytecode": "0x",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/ERC20.sol/ERC20.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/ERC20.sol/ERC20.dbg.json
new file mode 100644
index 0000000..5e4510d
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/ERC20.sol/ERC20.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/ERC20.sol/ERC20.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/ERC20.sol/ERC20.json
new file mode 100644
index 0000000..81e661f
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/ERC20.sol/ERC20.json
@@ -0,0 +1,319 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "ERC20",
+  "sourceName": "@openzeppelin/contracts/token/ERC20/ERC20.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "allowance",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "needed",
+          "type": "uint256"
+        }
+      ],
+      "name": "ERC20InsufficientAllowance",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "balance",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "needed",
+          "type": "uint256"
+        }
+      ],
+      "name": "ERC20InsufficientBalance",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "approver",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidApprover",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "receiver",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidReceiver",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidSender",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidSpender",
+      "type": "error"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "Approval",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "Transfer",
+      "type": "event"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        }
+      ],
+      "name": "allowance",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "approve",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "balanceOf",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "decimals",
+      "outputs": [
+        {
+          "internalType": "uint8",
+          "name": "",
+          "type": "uint8"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "name",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "symbol",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "totalSupply",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "transfer",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "transferFrom",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
+  ],
+  "bytecode": "0x",
+  "deployedBytecode": "0x",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/IERC20.sol/IERC20.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/IERC20.sol/IERC20.dbg.json
new file mode 100644
index 0000000..5e4510d
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/IERC20.sol/IERC20.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/IERC20.sol/IERC20.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/IERC20.sol/IERC20.json
new file mode 100644
index 0000000..12e0777
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/IERC20.sol/IERC20.json
@@ -0,0 +1,194 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "IERC20",
+  "sourceName": "@openzeppelin/contracts/token/ERC20/IERC20.sol",
+  "abi": [
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "Approval",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "Transfer",
+      "type": "event"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        }
+      ],
+      "name": "allowance",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "approve",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "balanceOf",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "totalSupply",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "transfer",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "transferFrom",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
+  ],
+  "bytecode": "0x",
+  "deployedBytecode": "0x",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol/IERC20Metadata.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol/IERC20Metadata.dbg.json
new file mode 100644
index 0000000..785eb4c
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol/IERC20Metadata.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol/IERC20Metadata.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol/IERC20Metadata.json
new file mode 100644
index 0000000..a7d8b6a
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol/IERC20Metadata.json
@@ -0,0 +1,233 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "IERC20Metadata",
+  "sourceName": "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol",
+  "abi": [
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "Approval",
+      "type": "event"
+    },
+    {
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+      "inputs": [
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+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
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+      "type": "event"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        }
+      ],
+      "name": "allowance",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "approve",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "balanceOf",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "decimals",
+      "outputs": [
+        {
+          "internalType": "uint8",
+          "name": "",
+          "type": "uint8"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "name",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "symbol",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "totalSupply",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "transfer",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "transferFrom",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
+  ],
+  "bytecode": "0x",
+  "deployedBytecode": "0x",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Context.sol/Context.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Context.sol/Context.dbg.json
new file mode 100644
index 0000000..d940e70
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Context.sol/Context.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Context.sol/Context.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Context.sol/Context.json
new file mode 100644
index 0000000..8fe86fc
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Context.sol/Context.json
@@ -0,0 +1,10 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "Context",
+  "sourceName": "@openzeppelin/contracts/utils/Context.sol",
+  "abi": [],
+  "bytecode": "0x",
+  "deployedBytecode": "0x",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Panic.sol/Panic.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Panic.sol/Panic.dbg.json
new file mode 100644
index 0000000..d940e70
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Panic.sol/Panic.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Panic.sol/Panic.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Panic.sol/Panic.json
new file mode 100644
index 0000000..2c7014a
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Panic.sol/Panic.json
@@ -0,0 +1,10 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "Panic",
+  "sourceName": "@openzeppelin/contracts/utils/Panic.sol",
+  "abi": [],
+  "bytecode": "0x60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220fec73f632edd47d0e7ae9933b51e8f4da78eb465818c4263bebf6623ab05aff164736f6c63430008180033",
+  "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220fec73f632edd47d0e7ae9933b51e8f4da78eb465818c4263bebf6623ab05aff164736f6c63430008180033",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Strings.sol/Strings.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Strings.sol/Strings.dbg.json
new file mode 100644
index 0000000..d940e70
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Strings.sol/Strings.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Strings.sol/Strings.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Strings.sol/Strings.json
new file mode 100644
index 0000000..66671fe
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/Strings.sol/Strings.json
@@ -0,0 +1,37 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "Strings",
+  "sourceName": "@openzeppelin/contracts/utils/Strings.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "length",
+          "type": "uint256"
+        }
+      ],
+      "name": "StringsInsufficientHexLength",
+      "type": "error"
+    },
+    {
+      "inputs": [],
+      "name": "StringsInvalidAddressFormat",
+      "type": "error"
+    },
+    {
+      "inputs": [],
+      "name": "StringsInvalidChar",
+      "type": "error"
+    }
+  ],
+  "bytecode": "0x60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220d3fa6b95cf4f76e64227a9b2373ccb228efd9715fd7983e0646867999cceb9fb64736f6c63430008180033",
+  "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220d3fa6b95cf4f76e64227a9b2373ccb228efd9715fd7983e0646867999cceb9fb64736f6c63430008180033",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/ECDSA.sol/ECDSA.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/ECDSA.sol/ECDSA.dbg.json
new file mode 100644
index 0000000..5e4510d
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/ECDSA.sol/ECDSA.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/ECDSA.sol/ECDSA.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/ECDSA.sol/ECDSA.json
new file mode 100644
index 0000000..fddba6b
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/ECDSA.sol/ECDSA.json
@@ -0,0 +1,38 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "ECDSA",
+  "sourceName": "@openzeppelin/contracts/utils/cryptography/ECDSA.sol",
+  "abi": [
+    {
+      "inputs": [],
+      "name": "ECDSAInvalidSignature",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "length",
+          "type": "uint256"
+        }
+      ],
+      "name": "ECDSAInvalidSignatureLength",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "s",
+          "type": "bytes32"
+        }
+      ],
+      "name": "ECDSAInvalidSignatureS",
+      "type": "error"
+    }
+  ],
+  "bytecode": "0x60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220a02ae933cd95f2ee943a9a3e5cbf4c6b7a6f7cc463d2cb58fac8fce23a0ba09464736f6c63430008180033",
+  "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220a02ae933cd95f2ee943a9a3e5cbf4c6b7a6f7cc463d2cb58fac8fce23a0ba09464736f6c63430008180033",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol/MessageHashUtils.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol/MessageHashUtils.dbg.json
new file mode 100644
index 0000000..5e4510d
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol/MessageHashUtils.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol/MessageHashUtils.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol/MessageHashUtils.json
new file mode 100644
index 0000000..7c7e1e9
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol/MessageHashUtils.json
@@ -0,0 +1,10 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "MessageHashUtils",
+  "sourceName": "@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol",
+  "abi": [],
+  "bytecode": "0x60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122004768bd881d67da99e00ad73ad4392265131c4d4610e2df195f48d6d1cddc06164736f6c63430008180033",
+  "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122004768bd881d67da99e00ad73ad4392265131c4d4610e2df195f48d6d1cddc06164736f6c63430008180033",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/ERC165.sol/ERC165.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/ERC165.sol/ERC165.dbg.json
new file mode 100644
index 0000000..5e4510d
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/ERC165.sol/ERC165.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/ERC165.sol/ERC165.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/ERC165.sol/ERC165.json
new file mode 100644
index 0000000..1304472
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/ERC165.sol/ERC165.json
@@ -0,0 +1,30 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "ERC165",
+  "sourceName": "@openzeppelin/contracts/utils/introspection/ERC165.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "bytes4",
+          "name": "interfaceId",
+          "type": "bytes4"
+        }
+      ],
+      "name": "supportsInterface",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    }
+  ],
+  "bytecode": "0x",
+  "deployedBytecode": "0x",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/IERC165.sol/IERC165.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/IERC165.sol/IERC165.dbg.json
new file mode 100644
index 0000000..5e4510d
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/IERC165.sol/IERC165.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/IERC165.sol/IERC165.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/IERC165.sol/IERC165.json
new file mode 100644
index 0000000..ff87f91
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/introspection/IERC165.sol/IERC165.json
@@ -0,0 +1,30 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "IERC165",
+  "sourceName": "@openzeppelin/contracts/utils/introspection/IERC165.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "bytes4",
+          "name": "interfaceId",
+          "type": "bytes4"
+        }
+      ],
+      "name": "supportsInterface",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    }
+  ],
+  "bytecode": "0x",
+  "deployedBytecode": "0x",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/Math.sol/Math.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/Math.sol/Math.dbg.json
new file mode 100644
index 0000000..5e4510d
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/Math.sol/Math.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/Math.sol/Math.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/Math.sol/Math.json
new file mode 100644
index 0000000..f7e412b
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/Math.sol/Math.json
@@ -0,0 +1,10 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "Math",
+  "sourceName": "@openzeppelin/contracts/utils/math/Math.sol",
+  "abi": [],
+  "bytecode": "0x60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220a7690e42315e6899c9737c1a5db38b11240b326a07950b4befbf4ae90b02e56464736f6c63430008180033",
+  "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220a7690e42315e6899c9737c1a5db38b11240b326a07950b4befbf4ae90b02e56464736f6c63430008180033",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SafeCast.sol/SafeCast.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SafeCast.sol/SafeCast.dbg.json
new file mode 100644
index 0000000..5e4510d
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SafeCast.sol/SafeCast.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SafeCast.sol/SafeCast.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SafeCast.sol/SafeCast.json
new file mode 100644
index 0000000..7410afe
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SafeCast.sol/SafeCast.json
@@ -0,0 +1,65 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "SafeCast",
+  "sourceName": "@openzeppelin/contracts/utils/math/SafeCast.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "uint8",
+          "name": "bits",
+          "type": "uint8"
+        },
+        {
+          "internalType": "int256",
+          "name": "value",
+          "type": "int256"
+        }
+      ],
+      "name": "SafeCastOverflowedIntDowncast",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "int256",
+          "name": "value",
+          "type": "int256"
+        }
+      ],
+      "name": "SafeCastOverflowedIntToUint",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint8",
+          "name": "bits",
+          "type": "uint8"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "SafeCastOverflowedUintDowncast",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "SafeCastOverflowedUintToInt",
+      "type": "error"
+    }
+  ],
+  "bytecode": "0x60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea26469706673582212201c97bba8d553a67561101942b2a9afa3628667de55efed8df898d3aab783793c64736f6c63430008180033",
+  "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea26469706673582212201c97bba8d553a67561101942b2a9afa3628667de55efed8df898d3aab783793c64736f6c63430008180033",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SignedMath.sol/SignedMath.dbg.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SignedMath.sol/SignedMath.dbg.json
new file mode 100644
index 0000000..5e4510d
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SignedMath.sol/SignedMath.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SignedMath.sol/SignedMath.json b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SignedMath.sol/SignedMath.json
new file mode 100644
index 0000000..a815fa8
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/@openzeppelin/contracts/utils/math/SignedMath.sol/SignedMath.json
@@ -0,0 +1,10 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "SignedMath",
+  "sourceName": "@openzeppelin/contracts/utils/math/SignedMath.sol",
+  "abi": [],
+  "bytecode": "0x60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220680917e17f715636462292a9029e0058e294bcd5d4d4fc83a420501ebb37147664736f6c63430008180033",
+  "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220680917e17f715636462292a9029e0058e294bcd5d4d4fc83a420501ebb37147664736f6c63430008180033",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/build-info/294516b4613c993159fa474ac6e49583.json b/packages/solidity/aitbc-token/artifacts/build-info/294516b4613c993159fa474ac6e49583.json
new file mode 100644
index 0000000..3e3acc4
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/build-info/294516b4613c993159fa474ac6e49583.json
@@ -0,0 +1 @@
+{"id":"294516b4613c993159fa474ac6e49583","_format":"hh-sol-build-info-1","solcVersion":"0.8.24","solcLongVersion":"0.8.24+commit.e11b9ed9","input":{"language":"Solidity","sources":{"@openzeppelin/contracts/access/AccessControl.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (access/AccessControl.sol)\n\npragma solidity ^0.8.20;\n\nimport {IAccessControl} from \"./IAccessControl.sol\";\nimport {Context} from \"../utils/Context.sol\";\nimport {IERC165, ERC165} from \"../utils/introspection/ERC165.sol\";\n\n/**\n * @dev Contract module that allows children to implement role-based access\n * control mechanisms. This is a lightweight version that doesn't allow enumerating role\n * members except through off-chain means by accessing the contract event logs. Some\n * applications may benefit from on-chain enumerability, for those cases see\n * {AccessControlEnumerable}.\n *\n * Roles are referred to by their `bytes32` identifier. These should be exposed\n * in the external API and be unique. The best way to achieve this is by\n * using `public constant` hash digests:\n *\n * ```solidity\n * bytes32 public constant MY_ROLE = keccak256(\"MY_ROLE\");\n * ```\n *\n * Roles can be used to represent a set of permissions. To restrict access to a\n * function call, use {hasRole}:\n *\n * ```solidity\n * function foo() public {\n *     require(hasRole(MY_ROLE, msg.sender));\n *     ...\n * }\n * ```\n *\n * Roles can be granted and revoked dynamically via the {grantRole} and\n * {revokeRole} functions. Each role has an associated admin role, and only\n * accounts that have a role's admin role can call {grantRole} and {revokeRole}.\n *\n * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means\n * that only accounts with this role will be able to grant or revoke other\n * roles. More complex role relationships can be created by using\n * {_setRoleAdmin}.\n *\n * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to\n * grant and revoke this role. Extra precautions should be taken to secure\n * accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}\n * to enforce additional security measures for this role.\n */\nabstract contract AccessControl is Context, IAccessControl, ERC165 {\n    struct RoleData {\n        mapping(address account => bool) hasRole;\n        bytes32 adminRole;\n    }\n\n    mapping(bytes32 role => RoleData) private _roles;\n\n    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;\n\n    /**\n     * @dev Modifier that checks that an account has a specific role. Reverts\n     * with an {AccessControlUnauthorizedAccount} error including the required role.\n     */\n    modifier onlyRole(bytes32 role) {\n        _checkRole(role);\n        _;\n    }\n\n    /// @inheritdoc IERC165\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev Returns `true` if `account` has been granted `role`.\n     */\n    function hasRole(bytes32 role, address account) public view virtual returns (bool) {\n        return _roles[role].hasRole[account];\n    }\n\n    /**\n     * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `_msgSender()`\n     * is missing `role`. Overriding this function changes the behavior of the {onlyRole} modifier.\n     */\n    function _checkRole(bytes32 role) internal view virtual {\n        _checkRole(role, _msgSender());\n    }\n\n    /**\n     * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `account`\n     * is missing `role`.\n     */\n    function _checkRole(bytes32 role, address account) internal view virtual {\n        if (!hasRole(role, account)) {\n            revert AccessControlUnauthorizedAccount(account, role);\n        }\n    }\n\n    /**\n     * @dev Returns the admin role that controls `role`. See {grantRole} and\n     * {revokeRole}.\n     *\n     * To change a role's admin, use {_setRoleAdmin}.\n     */\n    function getRoleAdmin(bytes32 role) public view virtual returns (bytes32) {\n        return _roles[role].adminRole;\n    }\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     *\n     * May emit a {RoleGranted} event.\n     */\n    function grantRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {\n        _grantRole(role, account);\n    }\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * If `account` had been granted `role`, emits a {RoleRevoked} event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     *\n     * May emit a {RoleRevoked} event.\n     */\n    function revokeRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {\n        _revokeRole(role, account);\n    }\n\n    /**\n     * @dev Revokes `role` from the calling account.\n     *\n     * Roles are often managed via {grantRole} and {revokeRole}: this function's\n     * purpose is to provide a mechanism for accounts to lose their privileges\n     * if they are compromised (such as when a trusted device is misplaced).\n     *\n     * If the calling account had been revoked `role`, emits a {RoleRevoked}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must be `callerConfirmation`.\n     *\n     * May emit a {RoleRevoked} event.\n     */\n    function renounceRole(bytes32 role, address callerConfirmation) public virtual {\n        if (callerConfirmation != _msgSender()) {\n            revert AccessControlBadConfirmation();\n        }\n\n        _revokeRole(role, callerConfirmation);\n    }\n\n    /**\n     * @dev Sets `adminRole` as ``role``'s admin role.\n     *\n     * Emits a {RoleAdminChanged} event.\n     */\n    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {\n        bytes32 previousAdminRole = getRoleAdmin(role);\n        _roles[role].adminRole = adminRole;\n        emit RoleAdminChanged(role, previousAdminRole, adminRole);\n    }\n\n    /**\n     * @dev Attempts to grant `role` to `account` and returns a boolean indicating if `role` was granted.\n     *\n     * Internal function without access restriction.\n     *\n     * May emit a {RoleGranted} event.\n     */\n    function _grantRole(bytes32 role, address account) internal virtual returns (bool) {\n        if (!hasRole(role, account)) {\n            _roles[role].hasRole[account] = true;\n            emit RoleGranted(role, account, _msgSender());\n            return true;\n        } else {\n            return false;\n        }\n    }\n\n    /**\n     * @dev Attempts to revoke `role` from `account` and returns a boolean indicating if `role` was revoked.\n     *\n     * Internal function without access restriction.\n     *\n     * May emit a {RoleRevoked} event.\n     */\n    function _revokeRole(bytes32 role, address account) internal virtual returns (bool) {\n        if (hasRole(role, account)) {\n            _roles[role].hasRole[account] = false;\n            emit RoleRevoked(role, account, _msgSender());\n            return true;\n        } else {\n            return false;\n        }\n    }\n}\n"},"@openzeppelin/contracts/access/IAccessControl.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (access/IAccessControl.sol)\n\npragma solidity >=0.8.4;\n\n/**\n * @dev External interface of AccessControl declared to support ERC-165 detection.\n */\ninterface IAccessControl {\n    /**\n     * @dev The `account` is missing a role.\n     */\n    error AccessControlUnauthorizedAccount(address account, bytes32 neededRole);\n\n    /**\n     * @dev The caller of a function is not the expected one.\n     *\n     * NOTE: Don't confuse with {AccessControlUnauthorizedAccount}.\n     */\n    error AccessControlBadConfirmation();\n\n    /**\n     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`\n     *\n     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite\n     * {RoleAdminChanged} not being emitted to signal this.\n     */\n    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);\n\n    /**\n     * @dev Emitted when `account` is granted `role`.\n     *\n     * `sender` is the account that originated the contract call. This account bears the admin role (for the granted role).\n     * Expected in cases where the role was granted using the internal {AccessControl-_grantRole}.\n     */\n    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);\n\n    /**\n     * @dev Emitted when `account` is revoked `role`.\n     *\n     * `sender` is the account that originated the contract call:\n     *   - if using `revokeRole`, it is the admin role bearer\n     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)\n     */\n    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);\n\n    /**\n     * @dev Returns `true` if `account` has been granted `role`.\n     */\n    function hasRole(bytes32 role, address account) external view returns (bool);\n\n    /**\n     * @dev Returns the admin role that controls `role`. See {grantRole} and\n     * {revokeRole}.\n     *\n     * To change a role's admin, use {AccessControl-_setRoleAdmin}.\n     */\n    function getRoleAdmin(bytes32 role) external view returns (bytes32);\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function grantRole(bytes32 role, address account) external;\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * If `account` had been granted `role`, emits a {RoleRevoked} event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function revokeRole(bytes32 role, address account) external;\n\n    /**\n     * @dev Revokes `role` from the calling account.\n     *\n     * Roles are often managed via {grantRole} and {revokeRole}: this function's\n     * purpose is to provide a mechanism for accounts to lose their privileges\n     * if they are compromised (such as when a trusted device is misplaced).\n     *\n     * If the calling account had been granted `role`, emits a {RoleRevoked}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must be `callerConfirmation`.\n     */\n    function renounceRole(bytes32 role, address callerConfirmation) external;\n}\n"},"@openzeppelin/contracts/interfaces/draft-IERC6093.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/draft-IERC6093.sol)\npragma solidity >=0.8.4;\n\n/**\n * @dev Standard ERC-20 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.\n */\ninterface IERC20Errors {\n    /**\n     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param balance Current balance for the interacting account.\n     * @param needed Minimum amount required to perform a transfer.\n     */\n    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC20InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC20InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.\n     * @param spender Address that may be allowed to operate on tokens without being their owner.\n     * @param allowance Amount of tokens a `spender` is allowed to operate with.\n     * @param needed Minimum amount required to perform a transfer.\n     */\n    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC20InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.\n     * @param spender Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC20InvalidSpender(address spender);\n}\n\n/**\n * @dev Standard ERC-721 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.\n */\ninterface IERC721Errors {\n    /**\n     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20.\n     * Used in balance queries.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC721InvalidOwner(address owner);\n\n    /**\n     * @dev Indicates a `tokenId` whose `owner` is the zero address.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC721NonexistentToken(uint256 tokenId);\n\n    /**\n     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param tokenId Identifier number of a token.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC721InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC721InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC721InsufficientApproval(address operator, uint256 tokenId);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC721InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC721InvalidOperator(address operator);\n}\n\n/**\n * @dev Standard ERC-1155 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.\n */\ninterface IERC1155Errors {\n    /**\n     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param balance Current balance for the interacting account.\n     * @param needed Minimum amount required to perform a transfer.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC1155InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC1155InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC1155MissingApprovalForAll(address operator, address owner);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC1155InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC1155InvalidOperator(address operator);\n\n    /**\n     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.\n     * Used in batch transfers.\n     * @param idsLength Length of the array of token identifiers\n     * @param valuesLength Length of the array of token amounts\n     */\n    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);\n}\n"},"@openzeppelin/contracts/token/ERC20/ERC20.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {IERC20Metadata} from \"./extensions/IERC20Metadata.sol\";\nimport {Context} from \"../../utils/Context.sol\";\nimport {IERC20Errors} from \"../../interfaces/draft-IERC6093.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * The default value of {decimals} is 18. To change this, you should override\n * this function so it returns a different value.\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC-20\n * applications.\n */\nabstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {\n    mapping(address account => uint256) private _balances;\n\n    mapping(address account => mapping(address spender => uint256)) private _allowances;\n\n    uint256 private _totalSupply;\n\n    string private _name;\n    string private _symbol;\n\n    /**\n     * @dev Sets the values for {name} and {symbol}.\n     *\n     * Both values are immutable: they can only be set once during construction.\n     */\n    constructor(string memory name_, string memory symbol_) {\n        _name = name_;\n        _symbol = symbol_;\n    }\n\n    /**\n     * @dev Returns the name of the token.\n     */\n    function name() public view virtual returns (string memory) {\n        return _name;\n    }\n\n    /**\n     * @dev Returns the symbol of the token, usually a shorter version of the\n     * name.\n     */\n    function symbol() public view virtual returns (string memory) {\n        return _symbol;\n    }\n\n    /**\n     * @dev Returns the number of decimals used to get its user representation.\n     * For example, if `decimals` equals `2`, a balance of `505` tokens should\n     * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n     *\n     * Tokens usually opt for a value of 18, imitating the relationship between\n     * Ether and Wei. This is the default value returned by this function, unless\n     * it's overridden.\n     *\n     * NOTE: This information is only used for _display_ purposes: it in\n     * no way affects any of the arithmetic of the contract, including\n     * {IERC20-balanceOf} and {IERC20-transfer}.\n     */\n    function decimals() public view virtual returns (uint8) {\n        return 18;\n    }\n\n    /// @inheritdoc IERC20\n    function totalSupply() public view virtual returns (uint256) {\n        return _totalSupply;\n    }\n\n    /// @inheritdoc IERC20\n    function balanceOf(address account) public view virtual returns (uint256) {\n        return _balances[account];\n    }\n\n    /**\n     * @dev See {IERC20-transfer}.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - the caller must have a balance of at least `value`.\n     */\n    function transfer(address to, uint256 value) public virtual returns (bool) {\n        address owner = _msgSender();\n        _transfer(owner, to, value);\n        return true;\n    }\n\n    /// @inheritdoc IERC20\n    function allowance(address owner, address spender) public view virtual returns (uint256) {\n        return _allowances[owner][spender];\n    }\n\n    /**\n     * @dev See {IERC20-approve}.\n     *\n     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on\n     * `transferFrom`. This is semantically equivalent to an infinite approval.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     */\n    function approve(address spender, uint256 value) public virtual returns (bool) {\n        address owner = _msgSender();\n        _approve(owner, spender, value);\n        return true;\n    }\n\n    /**\n     * @dev See {IERC20-transferFrom}.\n     *\n     * Skips emitting an {Approval} event indicating an allowance update. This is not\n     * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].\n     *\n     * NOTE: Does not update the allowance if the current allowance\n     * is the maximum `uint256`.\n     *\n     * Requirements:\n     *\n     * - `from` and `to` cannot be the zero address.\n     * - `from` must have a balance of at least `value`.\n     * - the caller must have allowance for ``from``'s tokens of at least\n     * `value`.\n     */\n    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {\n        address spender = _msgSender();\n        _spendAllowance(from, spender, value);\n        _transfer(from, to, value);\n        return true;\n    }\n\n    /**\n     * @dev Moves a `value` amount of tokens from `from` to `to`.\n     *\n     * This internal function is equivalent to {transfer}, and can be used to\n     * e.g. implement automatic token fees, slashing mechanisms, etc.\n     *\n     * Emits a {Transfer} event.\n     *\n     * NOTE: This function is not virtual, {_update} should be overridden instead.\n     */\n    function _transfer(address from, address to, uint256 value) internal {\n        if (from == address(0)) {\n            revert ERC20InvalidSender(address(0));\n        }\n        if (to == address(0)) {\n            revert ERC20InvalidReceiver(address(0));\n        }\n        _update(from, to, value);\n    }\n\n    /**\n     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`\n     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding\n     * this function.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _update(address from, address to, uint256 value) internal virtual {\n        if (from == address(0)) {\n            // Overflow check required: The rest of the code assumes that totalSupply never overflows\n            _totalSupply += value;\n        } else {\n            uint256 fromBalance = _balances[from];\n            if (fromBalance < value) {\n                revert ERC20InsufficientBalance(from, fromBalance, value);\n            }\n            unchecked {\n                // Overflow not possible: value <= fromBalance <= totalSupply.\n                _balances[from] = fromBalance - value;\n            }\n        }\n\n        if (to == address(0)) {\n            unchecked {\n                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.\n                _totalSupply -= value;\n            }\n        } else {\n            unchecked {\n                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.\n                _balances[to] += value;\n            }\n        }\n\n        emit Transfer(from, to, value);\n    }\n\n    /**\n     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).\n     * Relies on the `_update` mechanism\n     *\n     * Emits a {Transfer} event with `from` set to the zero address.\n     *\n     * NOTE: This function is not virtual, {_update} should be overridden instead.\n     */\n    function _mint(address account, uint256 value) internal {\n        if (account == address(0)) {\n            revert ERC20InvalidReceiver(address(0));\n        }\n        _update(address(0), account, value);\n    }\n\n    /**\n     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.\n     * Relies on the `_update` mechanism.\n     *\n     * Emits a {Transfer} event with `to` set to the zero address.\n     *\n     * NOTE: This function is not virtual, {_update} should be overridden instead\n     */\n    function _burn(address account, uint256 value) internal {\n        if (account == address(0)) {\n            revert ERC20InvalidSender(address(0));\n        }\n        _update(account, address(0), value);\n    }\n\n    /**\n     * @dev Sets `value` as the allowance of `spender` over the `owner`'s tokens.\n     *\n     * This internal function is equivalent to `approve`, and can be used to\n     * e.g. set automatic allowances for certain subsystems, etc.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `owner` cannot be the zero address.\n     * - `spender` cannot be the zero address.\n     *\n     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.\n     */\n    function _approve(address owner, address spender, uint256 value) internal {\n        _approve(owner, spender, value, true);\n    }\n\n    /**\n     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.\n     *\n     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by\n     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any\n     * `Approval` event during `transferFrom` operations.\n     *\n     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to\n     * true using the following override:\n     *\n     * ```solidity\n     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {\n     *     super._approve(owner, spender, value, true);\n     * }\n     * ```\n     *\n     * Requirements are the same as {_approve}.\n     */\n    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {\n        if (owner == address(0)) {\n            revert ERC20InvalidApprover(address(0));\n        }\n        if (spender == address(0)) {\n            revert ERC20InvalidSpender(address(0));\n        }\n        _allowances[owner][spender] = value;\n        if (emitEvent) {\n            emit Approval(owner, spender, value);\n        }\n    }\n\n    /**\n     * @dev Updates `owner`'s allowance for `spender` based on spent `value`.\n     *\n     * Does not update the allowance value in case of infinite allowance.\n     * Revert if not enough allowance is available.\n     *\n     * Does not emit an {Approval} event.\n     */\n    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {\n        uint256 currentAllowance = allowance(owner, spender);\n        if (currentAllowance < type(uint256).max) {\n            if (currentAllowance < value) {\n                revert ERC20InsufficientAllowance(spender, currentAllowance, value);\n            }\n            unchecked {\n                _approve(owner, spender, currentAllowance - value, false);\n            }\n        }\n    }\n}\n"},"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity >=0.6.2;\n\nimport {IERC20} from \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC-20 standard.\n */\ninterface IERC20Metadata is IERC20 {\n    /**\n     * @dev Returns the name of the token.\n     */\n    function name() external view returns (string memory);\n\n    /**\n     * @dev Returns the symbol of the token.\n     */\n    function symbol() external view returns (string memory);\n\n    /**\n     * @dev Returns the decimals places of the token.\n     */\n    function decimals() external view returns (uint8);\n}\n"},"@openzeppelin/contracts/token/ERC20/IERC20.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)\n\npragma solidity >=0.4.16;\n\n/**\n * @dev Interface of the ERC-20 standard as defined in the ERC.\n */\ninterface IERC20 {\n    /**\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\n     * another (`to`).\n     *\n     * Note that `value` may be zero.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /**\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n     * a call to {approve}. `value` is the new allowance.\n     */\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n\n    /**\n     * @dev Returns the value of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the value of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves a `value` amount of tokens from the caller's account to `to`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address to, uint256 value) external returns (bool);\n\n    /**\n     * @dev Returns the remaining number of tokens that `spender` will be\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\n     * zero by default.\n     *\n     * This value changes when {approve} or {transferFrom} are called.\n     */\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    /**\n     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n     * caller's tokens.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\n     * that someone may use both the old and the new allowance by unfortunate\n     * transaction ordering. One possible solution to mitigate this race\n     * condition is to first reduce the spender's allowance to 0 and set the\n     * desired value afterwards:\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address spender, uint256 value) external returns (bool);\n\n    /**\n     * @dev Moves a `value` amount of tokens from `from` to `to` using the\n     * allowance mechanism. `value` is then deducted from the caller's\n     * allowance.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(address from, address to, uint256 value) external returns (bool);\n}\n"},"@openzeppelin/contracts/utils/Context.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n\n    function _contextSuffixLength() internal view virtual returns (uint256) {\n        return 0;\n    }\n}\n"},"@openzeppelin/contracts/utils/cryptography/ECDSA.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n *\n * These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n */\nlibrary ECDSA {\n    enum RecoverError {\n        NoError,\n        InvalidSignature,\n        InvalidSignatureLength,\n        InvalidSignatureS\n    }\n\n    /**\n     * @dev The signature derives the `address(0)`.\n     */\n    error ECDSAInvalidSignature();\n\n    /**\n     * @dev The signature has an invalid length.\n     */\n    error ECDSAInvalidSignatureLength(uint256 length);\n\n    /**\n     * @dev The signature has an S value that is in the upper half order.\n     */\n    error ECDSAInvalidSignatureS(bytes32 s);\n\n    /**\n     * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not\n     * return address(0) without also returning an error description. Errors are documented using an enum (error type)\n     * and a bytes32 providing additional information about the error.\n     *\n     * If no error is returned, then the address can be used for verification purposes.\n     *\n     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:\n     * this function rejects them by requiring the `s` value to be in the lower\n     * half order, and the `v` value to be either 27 or 28.\n     *\n     * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n     * verification to be secure: it is possible to craft signatures that\n     * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n     * this is by receiving a hash of the original message (which may otherwise\n     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.\n     *\n     * Documentation for signature generation:\n     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n     */\n    function tryRecover(\n        bytes32 hash,\n        bytes memory signature\n    ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) {\n        if (signature.length == 65) {\n            bytes32 r;\n            bytes32 s;\n            uint8 v;\n            // ecrecover takes the signature parameters, and the only way to get them\n            // currently is to use assembly.\n            assembly (\"memory-safe\") {\n                r := mload(add(signature, 0x20))\n                s := mload(add(signature, 0x40))\n                v := byte(0, mload(add(signature, 0x60)))\n            }\n            return tryRecover(hash, v, r, s);\n        } else {\n            return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));\n        }\n    }\n\n    /**\n     * @dev Returns the address that signed a hashed message (`hash`) with\n     * `signature`. This address can then be used for verification purposes.\n     *\n     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:\n     * this function rejects them by requiring the `s` value to be in the lower\n     * half order, and the `v` value to be either 27 or 28.\n     *\n     * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n     * verification to be secure: it is possible to craft signatures that\n     * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n     * this is by receiving a hash of the original message (which may otherwise\n     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.\n     */\n    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);\n        _throwError(error, errorArg);\n        return recovered;\n    }\n\n    /**\n     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n     *\n     * See https://eips.ethereum.org/EIPS/eip-2098[ERC-2098 short signatures]\n     */\n    function tryRecover(\n        bytes32 hash,\n        bytes32 r,\n        bytes32 vs\n    ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) {\n        unchecked {\n            bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n            // We do not check for an overflow here since the shift operation results in 0 or 1.\n            uint8 v = uint8((uint256(vs) >> 255) + 27);\n            return tryRecover(hash, v, r, s);\n        }\n    }\n\n    /**\n     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n     */\n    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {\n        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);\n        _throwError(error, errorArg);\n        return recovered;\n    }\n\n    /**\n     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n     * `r` and `s` signature fields separately.\n     */\n    function tryRecover(\n        bytes32 hash,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) {\n        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n        // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n        //\n        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n        // these malleable signatures as well.\n        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n            return (address(0), RecoverError.InvalidSignatureS, s);\n        }\n\n        // If the signature is valid (and not malleable), return the signer address\n        address signer = ecrecover(hash, v, r, s);\n        if (signer == address(0)) {\n            return (address(0), RecoverError.InvalidSignature, bytes32(0));\n        }\n\n        return (signer, RecoverError.NoError, bytes32(0));\n    }\n\n    /**\n     * @dev Overload of {ECDSA-recover} that receives the `v`,\n     * `r` and `s` signature fields separately.\n     */\n    function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {\n        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s);\n        _throwError(error, errorArg);\n        return recovered;\n    }\n\n    /**\n     * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.\n     */\n    function _throwError(RecoverError error, bytes32 errorArg) private pure {\n        if (error == RecoverError.NoError) {\n            return; // no error: do nothing\n        } else if (error == RecoverError.InvalidSignature) {\n            revert ECDSAInvalidSignature();\n        } else if (error == RecoverError.InvalidSignatureLength) {\n            revert ECDSAInvalidSignatureLength(uint256(errorArg));\n        } else if (error == RecoverError.InvalidSignatureS) {\n            revert ECDSAInvalidSignatureS(errorArg);\n        }\n    }\n}\n"},"@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.3.0) (utils/cryptography/MessageHashUtils.sol)\n\npragma solidity ^0.8.20;\n\nimport {Strings} from \"../Strings.sol\";\n\n/**\n * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing.\n *\n * The library provides methods for generating a hash of a message that conforms to the\n * https://eips.ethereum.org/EIPS/eip-191[ERC-191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712]\n * specifications.\n */\nlibrary MessageHashUtils {\n    /**\n     * @dev Returns the keccak256 digest of an ERC-191 signed data with version\n     * `0x45` (`personal_sign` messages).\n     *\n     * The digest is calculated by prefixing a bytes32 `messageHash` with\n     * `\"\\x19Ethereum Signed Message:\\n32\"` and hashing the result. It corresponds with the\n     * hash signed when using the https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_sign[`eth_sign`] JSON-RPC method.\n     *\n     * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with\n     * keccak256, although any bytes32 value can be safely used because the final digest will\n     * be re-hashed.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) {\n        assembly (\"memory-safe\") {\n            mstore(0x00, \"\\x19Ethereum Signed Message:\\n32\") // 32 is the bytes-length of messageHash\n            mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix\n            digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20)\n        }\n    }\n\n    /**\n     * @dev Returns the keccak256 digest of an ERC-191 signed data with version\n     * `0x45` (`personal_sign` messages).\n     *\n     * The digest is calculated by prefixing an arbitrary `message` with\n     * `\"\\x19Ethereum Signed Message:\\n\" + len(message)` and hashing the result. It corresponds with the\n     * hash signed when using the https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_sign[`eth_sign`] JSON-RPC method.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) {\n        return\n            keccak256(bytes.concat(\"\\x19Ethereum Signed Message:\\n\", bytes(Strings.toString(message.length)), message));\n    }\n\n    /**\n     * @dev Returns the keccak256 digest of an ERC-191 signed data with version\n     * `0x00` (data with intended validator).\n     *\n     * The digest is calculated by prefixing an arbitrary `data` with `\"\\x19\\x00\"` and the intended\n     * `validator` address. Then hashing the result.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {\n        return keccak256(abi.encodePacked(hex\"19_00\", validator, data));\n    }\n\n    /**\n     * @dev Variant of {toDataWithIntendedValidatorHash-address-bytes} optimized for cases where `data` is a bytes32.\n     */\n    function toDataWithIntendedValidatorHash(\n        address validator,\n        bytes32 messageHash\n    ) internal pure returns (bytes32 digest) {\n        assembly (\"memory-safe\") {\n            mstore(0x00, hex\"19_00\")\n            mstore(0x02, shl(96, validator))\n            mstore(0x16, messageHash)\n            digest := keccak256(0x00, 0x36)\n        }\n    }\n\n    /**\n     * @dev Returns the keccak256 digest of an EIP-712 typed data (ERC-191 version `0x01`).\n     *\n     * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with\n     * `\\x19\\x01` and hashing the result. It corresponds to the hash signed by the\n     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) {\n        assembly (\"memory-safe\") {\n            let ptr := mload(0x40)\n            mstore(ptr, hex\"19_01\")\n            mstore(add(ptr, 0x02), domainSeparator)\n            mstore(add(ptr, 0x22), structHash)\n            digest := keccak256(ptr, 0x42)\n        }\n    }\n}\n"},"@openzeppelin/contracts/utils/introspection/ERC165.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC165} from \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC-165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n */\nabstract contract ERC165 is IERC165 {\n    /// @inheritdoc IERC165\n    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {\n        return interfaceId == type(IERC165).interfaceId;\n    }\n}\n"},"@openzeppelin/contracts/utils/introspection/IERC165.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)\n\npragma solidity >=0.4.16;\n\n/**\n * @dev Interface of the ERC-165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[ERC].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n    /**\n     * @dev Returns true if this contract implements the interface defined by\n     * `interfaceId`. See the corresponding\n     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]\n     * to learn more about how these ids are created.\n     *\n     * This function call must use less than 30 000 gas.\n     */\n    function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"},"@openzeppelin/contracts/utils/math/Math.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.3.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.20;\n\nimport {Panic} from \"../Panic.sol\";\nimport {SafeCast} from \"./SafeCast.sol\";\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary Math {\n    enum Rounding {\n        Floor, // Toward negative infinity\n        Ceil, // Toward positive infinity\n        Trunc, // Toward zero\n        Expand // Away from zero\n    }\n\n    /**\n     * @dev Return the 512-bit addition of two uint256.\n     *\n     * The result is stored in two 256 variables such that sum = high * 2²⁵⁶ + low.\n     */\n    function add512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) {\n        assembly (\"memory-safe\") {\n            low := add(a, b)\n            high := lt(low, a)\n        }\n    }\n\n    /**\n     * @dev Return the 512-bit multiplication of two uint256.\n     *\n     * The result is stored in two 256 variables such that product = high * 2²⁵⁶ + low.\n     */\n    function mul512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) {\n        // 512-bit multiply [high low] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use\n        // the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n        // variables such that product = high * 2²⁵⁶ + low.\n        assembly (\"memory-safe\") {\n            let mm := mulmod(a, b, not(0))\n            low := mul(a, b)\n            high := sub(sub(mm, low), lt(mm, low))\n        }\n    }\n\n    /**\n     * @dev Returns the addition of two unsigned integers, with a success flag (no overflow).\n     */\n    function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            uint256 c = a + b;\n            success = c >= a;\n            result = c * SafeCast.toUint(success);\n        }\n    }\n\n    /**\n     * @dev Returns the subtraction of two unsigned integers, with a success flag (no overflow).\n     */\n    function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            uint256 c = a - b;\n            success = c <= a;\n            result = c * SafeCast.toUint(success);\n        }\n    }\n\n    /**\n     * @dev Returns the multiplication of two unsigned integers, with a success flag (no overflow).\n     */\n    function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            uint256 c = a * b;\n            assembly (\"memory-safe\") {\n                // Only true when the multiplication doesn't overflow\n                // (c / a == b) || (a == 0)\n                success := or(eq(div(c, a), b), iszero(a))\n            }\n            // equivalent to: success ? c : 0\n            result = c * SafeCast.toUint(success);\n        }\n    }\n\n    /**\n     * @dev Returns the division of two unsigned integers, with a success flag (no division by zero).\n     */\n    function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            success = b > 0;\n            assembly (\"memory-safe\") {\n                // The `DIV` opcode returns zero when the denominator is 0.\n                result := div(a, b)\n            }\n        }\n    }\n\n    /**\n     * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).\n     */\n    function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            success = b > 0;\n            assembly (\"memory-safe\") {\n                // The `MOD` opcode returns zero when the denominator is 0.\n                result := mod(a, b)\n            }\n        }\n    }\n\n    /**\n     * @dev Unsigned saturating addition, bounds to `2²⁵⁶ - 1` instead of overflowing.\n     */\n    function saturatingAdd(uint256 a, uint256 b) internal pure returns (uint256) {\n        (bool success, uint256 result) = tryAdd(a, b);\n        return ternary(success, result, type(uint256).max);\n    }\n\n    /**\n     * @dev Unsigned saturating subtraction, bounds to zero instead of overflowing.\n     */\n    function saturatingSub(uint256 a, uint256 b) internal pure returns (uint256) {\n        (, uint256 result) = trySub(a, b);\n        return result;\n    }\n\n    /**\n     * @dev Unsigned saturating multiplication, bounds to `2²⁵⁶ - 1` instead of overflowing.\n     */\n    function saturatingMul(uint256 a, uint256 b) internal pure returns (uint256) {\n        (bool success, uint256 result) = tryMul(a, b);\n        return ternary(success, result, type(uint256).max);\n    }\n\n    /**\n     * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant.\n     *\n     * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.\n     * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute\n     * one branch when needed, making this function more expensive.\n     */\n    function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) {\n        unchecked {\n            // branchless ternary works because:\n            // b ^ (a ^ b) == a\n            // b ^ 0 == b\n            return b ^ ((a ^ b) * SafeCast.toUint(condition));\n        }\n    }\n\n    /**\n     * @dev Returns the largest of two numbers.\n     */\n    function max(uint256 a, uint256 b) internal pure returns (uint256) {\n        return ternary(a > b, a, b);\n    }\n\n    /**\n     * @dev Returns the smallest of two numbers.\n     */\n    function min(uint256 a, uint256 b) internal pure returns (uint256) {\n        return ternary(a < b, a, b);\n    }\n\n    /**\n     * @dev Returns the average of two numbers. The result is rounded towards\n     * zero.\n     */\n    function average(uint256 a, uint256 b) internal pure returns (uint256) {\n        // (a + b) / 2 can overflow.\n        return (a & b) + (a ^ b) / 2;\n    }\n\n    /**\n     * @dev Returns the ceiling of the division of two numbers.\n     *\n     * This differs from standard division with `/` in that it rounds towards infinity instead\n     * of rounding towards zero.\n     */\n    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n        if (b == 0) {\n            // Guarantee the same behavior as in a regular Solidity division.\n            Panic.panic(Panic.DIVISION_BY_ZERO);\n        }\n\n        // The following calculation ensures accurate ceiling division without overflow.\n        // Since a is non-zero, (a - 1) / b will not overflow.\n        // The largest possible result occurs when (a - 1) / b is type(uint256).max,\n        // but the largest value we can obtain is type(uint256).max - 1, which happens\n        // when a = type(uint256).max and b = 1.\n        unchecked {\n            return SafeCast.toUint(a > 0) * ((a - 1) / b + 1);\n        }\n    }\n\n    /**\n     * @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or\n     * denominator == 0.\n     *\n     * Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by\n     * Uniswap Labs also under MIT license.\n     */\n    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {\n        unchecked {\n            (uint256 high, uint256 low) = mul512(x, y);\n\n            // Handle non-overflow cases, 256 by 256 division.\n            if (high == 0) {\n                // Solidity will revert if denominator == 0, unlike the div opcode on its own.\n                // The surrounding unchecked block does not change this fact.\n                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.\n                return low / denominator;\n            }\n\n            // Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.\n            if (denominator <= high) {\n                Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_OVERFLOW));\n            }\n\n            ///////////////////////////////////////////////\n            // 512 by 256 division.\n            ///////////////////////////////////////////////\n\n            // Make division exact by subtracting the remainder from [high low].\n            uint256 remainder;\n            assembly (\"memory-safe\") {\n                // Compute remainder using mulmod.\n                remainder := mulmod(x, y, denominator)\n\n                // Subtract 256 bit number from 512 bit number.\n                high := sub(high, gt(remainder, low))\n                low := sub(low, remainder)\n            }\n\n            // Factor powers of two out of denominator and compute largest power of two divisor of denominator.\n            // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.\n\n            uint256 twos = denominator & (0 - denominator);\n            assembly (\"memory-safe\") {\n                // Divide denominator by twos.\n                denominator := div(denominator, twos)\n\n                // Divide [high low] by twos.\n                low := div(low, twos)\n\n                // Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one.\n                twos := add(div(sub(0, twos), twos), 1)\n            }\n\n            // Shift in bits from high into low.\n            low |= high * twos;\n\n            // Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such\n            // that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for\n            // four bits. That is, denominator * inv ≡ 1 mod 2⁴.\n            uint256 inverse = (3 * denominator) ^ 2;\n\n            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also\n            // works in modular arithmetic, doubling the correct bits in each step.\n            inverse *= 2 - denominator * inverse; // inverse mod 2⁸\n            inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶\n            inverse *= 2 - denominator * inverse; // inverse mod 2³²\n            inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴\n            inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸\n            inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶\n\n            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n            // This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is\n            // less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and high\n            // is no longer required.\n            result = low * inverse;\n            return result;\n        }\n    }\n\n    /**\n     * @dev Calculates x * y / denominator with full precision, following the selected rounding direction.\n     */\n    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {\n        return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0);\n    }\n\n    /**\n     * @dev Calculates floor(x * y >> n) with full precision. Throws if result overflows a uint256.\n     */\n    function mulShr(uint256 x, uint256 y, uint8 n) internal pure returns (uint256 result) {\n        unchecked {\n            (uint256 high, uint256 low) = mul512(x, y);\n            if (high >= 1 << n) {\n                Panic.panic(Panic.UNDER_OVERFLOW);\n            }\n            return (high << (256 - n)) | (low >> n);\n        }\n    }\n\n    /**\n     * @dev Calculates x * y >> n with full precision, following the selected rounding direction.\n     */\n    function mulShr(uint256 x, uint256 y, uint8 n, Rounding rounding) internal pure returns (uint256) {\n        return mulShr(x, y, n) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, 1 << n) > 0);\n    }\n\n    /**\n     * @dev Calculate the modular multiplicative inverse of a number in Z/nZ.\n     *\n     * If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0.\n     * If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible.\n     *\n     * If the input value is not inversible, 0 is returned.\n     *\n     * NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the\n     * inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}.\n     */\n    function invMod(uint256 a, uint256 n) internal pure returns (uint256) {\n        unchecked {\n            if (n == 0) return 0;\n\n            // The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version)\n            // Used to compute integers x and y such that: ax + ny = gcd(a, n).\n            // When the gcd is 1, then the inverse of a modulo n exists and it's x.\n            // ax + ny = 1\n            // ax = 1 + (-y)n\n            // ax ≡ 1 (mod n) # x is the inverse of a modulo n\n\n            // If the remainder is 0 the gcd is n right away.\n            uint256 remainder = a % n;\n            uint256 gcd = n;\n\n            // Therefore the initial coefficients are:\n            // ax + ny = gcd(a, n) = n\n            // 0a + 1n = n\n            int256 x = 0;\n            int256 y = 1;\n\n            while (remainder != 0) {\n                uint256 quotient = gcd / remainder;\n\n                (gcd, remainder) = (\n                    // The old remainder is the next gcd to try.\n                    remainder,\n                    // Compute the next remainder.\n                    // Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd\n                    // where gcd is at most n (capped to type(uint256).max)\n                    gcd - remainder * quotient\n                );\n\n                (x, y) = (\n                    // Increment the coefficient of a.\n                    y,\n                    // Decrement the coefficient of n.\n                    // Can overflow, but the result is casted to uint256 so that the\n                    // next value of y is \"wrapped around\" to a value between 0 and n - 1.\n                    x - y * int256(quotient)\n                );\n            }\n\n            if (gcd != 1) return 0; // No inverse exists.\n            return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative.\n        }\n    }\n\n    /**\n     * @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`.\n     *\n     * From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is\n     * prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that\n     * `a**(p-2)` is the modular multiplicative inverse of a in Fp.\n     *\n     * NOTE: this function does NOT check that `p` is a prime greater than `2`.\n     */\n    function invModPrime(uint256 a, uint256 p) internal view returns (uint256) {\n        unchecked {\n            return Math.modExp(a, p - 2, p);\n        }\n    }\n\n    /**\n     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m)\n     *\n     * Requirements:\n     * - modulus can't be zero\n     * - underlying staticcall to precompile must succeed\n     *\n     * IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make\n     * sure the chain you're using it on supports the precompiled contract for modular exponentiation\n     * at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise,\n     * the underlying function will succeed given the lack of a revert, but the result may be incorrectly\n     * interpreted as 0.\n     */\n    function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) {\n        (bool success, uint256 result) = tryModExp(b, e, m);\n        if (!success) {\n            Panic.panic(Panic.DIVISION_BY_ZERO);\n        }\n        return result;\n    }\n\n    /**\n     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m).\n     * It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying\n     * to operate modulo 0 or if the underlying precompile reverted.\n     *\n     * IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain\n     * you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in\n     * https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack\n     * of a revert, but the result may be incorrectly interpreted as 0.\n     */\n    function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) {\n        if (m == 0) return (false, 0);\n        assembly (\"memory-safe\") {\n            let ptr := mload(0x40)\n            // | Offset    | Content    | Content (Hex)                                                      |\n            // |-----------|------------|--------------------------------------------------------------------|\n            // | 0x00:0x1f | size of b  | 0x0000000000000000000000000000000000000000000000000000000000000020 |\n            // | 0x20:0x3f | size of e  | 0x0000000000000000000000000000000000000000000000000000000000000020 |\n            // | 0x40:0x5f | size of m  | 0x0000000000000000000000000000000000000000000000000000000000000020 |\n            // | 0x60:0x7f | value of b | 0x<.............................................................b> |\n            // | 0x80:0x9f | value of e | 0x<.............................................................e> |\n            // | 0xa0:0xbf | value of m | 0x<.............................................................m> |\n            mstore(ptr, 0x20)\n            mstore(add(ptr, 0x20), 0x20)\n            mstore(add(ptr, 0x40), 0x20)\n            mstore(add(ptr, 0x60), b)\n            mstore(add(ptr, 0x80), e)\n            mstore(add(ptr, 0xa0), m)\n\n            // Given the result < m, it's guaranteed to fit in 32 bytes,\n            // so we can use the memory scratch space located at offset 0.\n            success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20)\n            result := mload(0x00)\n        }\n    }\n\n    /**\n     * @dev Variant of {modExp} that supports inputs of arbitrary length.\n     */\n    function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) {\n        (bool success, bytes memory result) = tryModExp(b, e, m);\n        if (!success) {\n            Panic.panic(Panic.DIVISION_BY_ZERO);\n        }\n        return result;\n    }\n\n    /**\n     * @dev Variant of {tryModExp} that supports inputs of arbitrary length.\n     */\n    function tryModExp(\n        bytes memory b,\n        bytes memory e,\n        bytes memory m\n    ) internal view returns (bool success, bytes memory result) {\n        if (_zeroBytes(m)) return (false, new bytes(0));\n\n        uint256 mLen = m.length;\n\n        // Encode call args in result and move the free memory pointer\n        result = abi.encodePacked(b.length, e.length, mLen, b, e, m);\n\n        assembly (\"memory-safe\") {\n            let dataPtr := add(result, 0x20)\n            // Write result on top of args to avoid allocating extra memory.\n            success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen)\n            // Overwrite the length.\n            // result.length > returndatasize() is guaranteed because returndatasize() == m.length\n            mstore(result, mLen)\n            // Set the memory pointer after the returned data.\n            mstore(0x40, add(dataPtr, mLen))\n        }\n    }\n\n    /**\n     * @dev Returns whether the provided byte array is zero.\n     */\n    function _zeroBytes(bytes memory byteArray) private pure returns (bool) {\n        for (uint256 i = 0; i < byteArray.length; ++i) {\n            if (byteArray[i] != 0) {\n                return false;\n            }\n        }\n        return true;\n    }\n\n    /**\n     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded\n     * towards zero.\n     *\n     * This method is based on Newton's method for computing square roots; the algorithm is restricted to only\n     * using integer operations.\n     */\n    function sqrt(uint256 a) internal pure returns (uint256) {\n        unchecked {\n            // Take care of easy edge cases when a == 0 or a == 1\n            if (a <= 1) {\n                return a;\n            }\n\n            // In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a\n            // sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between\n            // the current value as `ε_n = | x_n - sqrt(a) |`.\n            //\n            // For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root\n            // of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is\n            // bigger than any uint256.\n            //\n            // By noticing that\n            // `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)`\n            // we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar\n            // to the msb function.\n            uint256 aa = a;\n            uint256 xn = 1;\n\n            if (aa >= (1 << 128)) {\n                aa >>= 128;\n                xn <<= 64;\n            }\n            if (aa >= (1 << 64)) {\n                aa >>= 64;\n                xn <<= 32;\n            }\n            if (aa >= (1 << 32)) {\n                aa >>= 32;\n                xn <<= 16;\n            }\n            if (aa >= (1 << 16)) {\n                aa >>= 16;\n                xn <<= 8;\n            }\n            if (aa >= (1 << 8)) {\n                aa >>= 8;\n                xn <<= 4;\n            }\n            if (aa >= (1 << 4)) {\n                aa >>= 4;\n                xn <<= 2;\n            }\n            if (aa >= (1 << 2)) {\n                xn <<= 1;\n            }\n\n            // We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1).\n            //\n            // We can refine our estimation by noticing that the middle of that interval minimizes the error.\n            // If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2).\n            // This is going to be our x_0 (and ε_0)\n            xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2)\n\n            // From here, Newton's method give us:\n            // x_{n+1} = (x_n + a / x_n) / 2\n            //\n            // One should note that:\n            // x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a\n            //              = ((x_n² + a) / (2 * x_n))² - a\n            //              = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a\n            //              = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²)\n            //              = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²)\n            //              = (x_n² - a)² / (2 * x_n)²\n            //              = ((x_n² - a) / (2 * x_n))²\n            //              ≥ 0\n            // Which proves that for all n ≥ 1, sqrt(a) ≤ x_n\n            //\n            // This gives us the proof of quadratic convergence of the sequence:\n            // ε_{n+1} = | x_{n+1} - sqrt(a) |\n            //         = | (x_n + a / x_n) / 2 - sqrt(a) |\n            //         = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) |\n            //         = | (x_n - sqrt(a))² / (2 * x_n) |\n            //         = | ε_n² / (2 * x_n) |\n            //         = ε_n² / | (2 * x_n) |\n            //\n            // For the first iteration, we have a special case where x_0 is known:\n            // ε_1 = ε_0² / | (2 * x_0) |\n            //     ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2)))\n            //     ≤ 2**(2*e-4) / (3 * 2**(e-1))\n            //     ≤ 2**(e-3) / 3\n            //     ≤ 2**(e-3-log2(3))\n            //     ≤ 2**(e-4.5)\n            //\n            // For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n:\n            // ε_{n+1} = ε_n² / | (2 * x_n) |\n            //         ≤ (2**(e-k))² / (2 * 2**(e-1))\n            //         ≤ 2**(2*e-2*k) / 2**e\n            //         ≤ 2**(e-2*k)\n            xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5)  -- special case, see above\n            xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9)    -- general case with k = 4.5\n            xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18)   -- general case with k = 9\n            xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36)   -- general case with k = 18\n            xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72)   -- general case with k = 36\n            xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144)  -- general case with k = 72\n\n            // Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision\n            // ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either\n            // sqrt(a) or sqrt(a) + 1.\n            return xn - SafeCast.toUint(xn > a / xn);\n        }\n    }\n\n    /**\n     * @dev Calculates sqrt(a), following the selected rounding direction.\n     */\n    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = sqrt(a);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 2 of a positive value rounded towards zero.\n     * Returns 0 if given 0.\n     */\n    function log2(uint256 x) internal pure returns (uint256 r) {\n        // If value has upper 128 bits set, log2 result is at least 128\n        r = SafeCast.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7;\n        // If upper 64 bits of 128-bit half set, add 64 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffffffffffff) << 6;\n        // If upper 32 bits of 64-bit half set, add 32 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffff) << 5;\n        // If upper 16 bits of 32-bit half set, add 16 to result\n        r |= SafeCast.toUint((x >> r) > 0xffff) << 4;\n        // If upper 8 bits of 16-bit half set, add 8 to result\n        r |= SafeCast.toUint((x >> r) > 0xff) << 3;\n        // If upper 4 bits of 8-bit half set, add 4 to result\n        r |= SafeCast.toUint((x >> r) > 0xf) << 2;\n\n        // Shifts value right by the current result and use it as an index into this lookup table:\n        //\n        // | x (4 bits) |  index  | table[index] = MSB position |\n        // |------------|---------|-----------------------------|\n        // |    0000    |    0    |        table[0] = 0         |\n        // |    0001    |    1    |        table[1] = 0         |\n        // |    0010    |    2    |        table[2] = 1         |\n        // |    0011    |    3    |        table[3] = 1         |\n        // |    0100    |    4    |        table[4] = 2         |\n        // |    0101    |    5    |        table[5] = 2         |\n        // |    0110    |    6    |        table[6] = 2         |\n        // |    0111    |    7    |        table[7] = 2         |\n        // |    1000    |    8    |        table[8] = 3         |\n        // |    1001    |    9    |        table[9] = 3         |\n        // |    1010    |   10    |        table[10] = 3        |\n        // |    1011    |   11    |        table[11] = 3        |\n        // |    1100    |   12    |        table[12] = 3        |\n        // |    1101    |   13    |        table[13] = 3        |\n        // |    1110    |   14    |        table[14] = 3        |\n        // |    1111    |   15    |        table[15] = 3        |\n        //\n        // The lookup table is represented as a 32-byte value with the MSB positions for 0-15 in the last 16 bytes.\n        assembly (\"memory-safe\") {\n            r := or(r, byte(shr(r, x), 0x0000010102020202030303030303030300000000000000000000000000000000))\n        }\n    }\n\n    /**\n     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log2(value);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 10 of a positive value rounded towards zero.\n     * Returns 0 if given 0.\n     */\n    function log10(uint256 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        unchecked {\n            if (value >= 10 ** 64) {\n                value /= 10 ** 64;\n                result += 64;\n            }\n            if (value >= 10 ** 32) {\n                value /= 10 ** 32;\n                result += 32;\n            }\n            if (value >= 10 ** 16) {\n                value /= 10 ** 16;\n                result += 16;\n            }\n            if (value >= 10 ** 8) {\n                value /= 10 ** 8;\n                result += 8;\n            }\n            if (value >= 10 ** 4) {\n                value /= 10 ** 4;\n                result += 4;\n            }\n            if (value >= 10 ** 2) {\n                value /= 10 ** 2;\n                result += 2;\n            }\n            if (value >= 10 ** 1) {\n                result += 1;\n            }\n        }\n        return result;\n    }\n\n    /**\n     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log10(value);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 256 of a positive value rounded towards zero.\n     * Returns 0 if given 0.\n     *\n     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n     */\n    function log256(uint256 x) internal pure returns (uint256 r) {\n        // If value has upper 128 bits set, log2 result is at least 128\n        r = SafeCast.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7;\n        // If upper 64 bits of 128-bit half set, add 64 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffffffffffff) << 6;\n        // If upper 32 bits of 64-bit half set, add 32 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffff) << 5;\n        // If upper 16 bits of 32-bit half set, add 16 to result\n        r |= SafeCast.toUint((x >> r) > 0xffff) << 4;\n        // Add 1 if upper 8 bits of 16-bit half set, and divide accumulated result by 8\n        return (r >> 3) | SafeCast.toUint((x >> r) > 0xff);\n    }\n\n    /**\n     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log256(value);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value);\n        }\n    }\n\n    /**\n     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.\n     */\n    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {\n        return uint8(rounding) % 2 == 1;\n    }\n}\n"},"@openzeppelin/contracts/utils/math/SafeCast.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SafeCast.sol)\n// This file was procedurally generated from scripts/generate/templates/SafeCast.js.\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow\n * checks.\n *\n * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can\n * easily result in undesired exploitation or bugs, since developers usually\n * assume that overflows raise errors. `SafeCast` restores this intuition by\n * reverting the transaction when such an operation overflows.\n *\n * Using this library instead of the unchecked operations eliminates an entire\n * class of bugs, so it's recommended to use it always.\n */\nlibrary SafeCast {\n    /**\n     * @dev Value doesn't fit in an uint of `bits` size.\n     */\n    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);\n\n    /**\n     * @dev An int value doesn't fit in an uint of `bits` size.\n     */\n    error SafeCastOverflowedIntToUint(int256 value);\n\n    /**\n     * @dev Value doesn't fit in an int of `bits` size.\n     */\n    error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);\n\n    /**\n     * @dev An uint value doesn't fit in an int of `bits` size.\n     */\n    error SafeCastOverflowedUintToInt(uint256 value);\n\n    /**\n     * @dev Returns the downcasted uint248 from uint256, reverting on\n     * overflow (when the input is greater than largest uint248).\n     *\n     * Counterpart to Solidity's `uint248` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 248 bits\n     */\n    function toUint248(uint256 value) internal pure returns (uint248) {\n        if (value > type(uint248).max) {\n            revert SafeCastOverflowedUintDowncast(248, value);\n        }\n        return uint248(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint240 from uint256, reverting on\n     * overflow (when the input is greater than largest uint240).\n     *\n     * Counterpart to Solidity's `uint240` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 240 bits\n     */\n    function toUint240(uint256 value) internal pure returns (uint240) {\n        if (value > type(uint240).max) {\n            revert SafeCastOverflowedUintDowncast(240, value);\n        }\n        return uint240(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint232 from uint256, reverting on\n     * overflow (when the input is greater than largest uint232).\n     *\n     * Counterpart to Solidity's `uint232` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 232 bits\n     */\n    function toUint232(uint256 value) internal pure returns (uint232) {\n        if (value > type(uint232).max) {\n            revert SafeCastOverflowedUintDowncast(232, value);\n        }\n        return uint232(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint224 from uint256, reverting on\n     * overflow (when the input is greater than largest uint224).\n     *\n     * Counterpart to Solidity's `uint224` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 224 bits\n     */\n    function toUint224(uint256 value) internal pure returns (uint224) {\n        if (value > type(uint224).max) {\n            revert SafeCastOverflowedUintDowncast(224, value);\n        }\n        return uint224(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint216 from uint256, reverting on\n     * overflow (when the input is greater than largest uint216).\n     *\n     * Counterpart to Solidity's `uint216` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 216 bits\n     */\n    function toUint216(uint256 value) internal pure returns (uint216) {\n        if (value > type(uint216).max) {\n            revert SafeCastOverflowedUintDowncast(216, value);\n        }\n        return uint216(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint208 from uint256, reverting on\n     * overflow (when the input is greater than largest uint208).\n     *\n     * Counterpart to Solidity's `uint208` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 208 bits\n     */\n    function toUint208(uint256 value) internal pure returns (uint208) {\n        if (value > type(uint208).max) {\n            revert SafeCastOverflowedUintDowncast(208, value);\n        }\n        return uint208(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint200 from uint256, reverting on\n     * overflow (when the input is greater than largest uint200).\n     *\n     * Counterpart to Solidity's `uint200` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 200 bits\n     */\n    function toUint200(uint256 value) internal pure returns (uint200) {\n        if (value > type(uint200).max) {\n            revert SafeCastOverflowedUintDowncast(200, value);\n        }\n        return uint200(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint192 from uint256, reverting on\n     * overflow (when the input is greater than largest uint192).\n     *\n     * Counterpart to Solidity's `uint192` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 192 bits\n     */\n    function toUint192(uint256 value) internal pure returns (uint192) {\n        if (value > type(uint192).max) {\n            revert SafeCastOverflowedUintDowncast(192, value);\n        }\n        return uint192(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint184 from uint256, reverting on\n     * overflow (when the input is greater than largest uint184).\n     *\n     * Counterpart to Solidity's `uint184` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 184 bits\n     */\n    function toUint184(uint256 value) internal pure returns (uint184) {\n        if (value > type(uint184).max) {\n            revert SafeCastOverflowedUintDowncast(184, value);\n        }\n        return uint184(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint176 from uint256, reverting on\n     * overflow (when the input is greater than largest uint176).\n     *\n     * Counterpart to Solidity's `uint176` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 176 bits\n     */\n    function toUint176(uint256 value) internal pure returns (uint176) {\n        if (value > type(uint176).max) {\n            revert SafeCastOverflowedUintDowncast(176, value);\n        }\n        return uint176(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint168 from uint256, reverting on\n     * overflow (when the input is greater than largest uint168).\n     *\n     * Counterpart to Solidity's `uint168` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 168 bits\n     */\n    function toUint168(uint256 value) internal pure returns (uint168) {\n        if (value > type(uint168).max) {\n            revert SafeCastOverflowedUintDowncast(168, value);\n        }\n        return uint168(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint160 from uint256, reverting on\n     * overflow (when the input is greater than largest uint160).\n     *\n     * Counterpart to Solidity's `uint160` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 160 bits\n     */\n    function toUint160(uint256 value) internal pure returns (uint160) {\n        if (value > type(uint160).max) {\n            revert SafeCastOverflowedUintDowncast(160, value);\n        }\n        return uint160(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint152 from uint256, reverting on\n     * overflow (when the input is greater than largest uint152).\n     *\n     * Counterpart to Solidity's `uint152` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 152 bits\n     */\n    function toUint152(uint256 value) internal pure returns (uint152) {\n        if (value > type(uint152).max) {\n            revert SafeCastOverflowedUintDowncast(152, value);\n        }\n        return uint152(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint144 from uint256, reverting on\n     * overflow (when the input is greater than largest uint144).\n     *\n     * Counterpart to Solidity's `uint144` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 144 bits\n     */\n    function toUint144(uint256 value) internal pure returns (uint144) {\n        if (value > type(uint144).max) {\n            revert SafeCastOverflowedUintDowncast(144, value);\n        }\n        return uint144(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint136 from uint256, reverting on\n     * overflow (when the input is greater than largest uint136).\n     *\n     * Counterpart to Solidity's `uint136` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 136 bits\n     */\n    function toUint136(uint256 value) internal pure returns (uint136) {\n        if (value > type(uint136).max) {\n            revert SafeCastOverflowedUintDowncast(136, value);\n        }\n        return uint136(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint128 from uint256, reverting on\n     * overflow (when the input is greater than largest uint128).\n     *\n     * Counterpart to Solidity's `uint128` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 128 bits\n     */\n    function toUint128(uint256 value) internal pure returns (uint128) {\n        if (value > type(uint128).max) {\n            revert SafeCastOverflowedUintDowncast(128, value);\n        }\n        return uint128(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint120 from uint256, reverting on\n     * overflow (when the input is greater than largest uint120).\n     *\n     * Counterpart to Solidity's `uint120` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 120 bits\n     */\n    function toUint120(uint256 value) internal pure returns (uint120) {\n        if (value > type(uint120).max) {\n            revert SafeCastOverflowedUintDowncast(120, value);\n        }\n        return uint120(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint112 from uint256, reverting on\n     * overflow (when the input is greater than largest uint112).\n     *\n     * Counterpart to Solidity's `uint112` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 112 bits\n     */\n    function toUint112(uint256 value) internal pure returns (uint112) {\n        if (value > type(uint112).max) {\n            revert SafeCastOverflowedUintDowncast(112, value);\n        }\n        return uint112(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint104 from uint256, reverting on\n     * overflow (when the input is greater than largest uint104).\n     *\n     * Counterpart to Solidity's `uint104` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 104 bits\n     */\n    function toUint104(uint256 value) internal pure returns (uint104) {\n        if (value > type(uint104).max) {\n            revert SafeCastOverflowedUintDowncast(104, value);\n        }\n        return uint104(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint96 from uint256, reverting on\n     * overflow (when the input is greater than largest uint96).\n     *\n     * Counterpart to Solidity's `uint96` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 96 bits\n     */\n    function toUint96(uint256 value) internal pure returns (uint96) {\n        if (value > type(uint96).max) {\n            revert SafeCastOverflowedUintDowncast(96, value);\n        }\n        return uint96(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint88 from uint256, reverting on\n     * overflow (when the input is greater than largest uint88).\n     *\n     * Counterpart to Solidity's `uint88` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 88 bits\n     */\n    function toUint88(uint256 value) internal pure returns (uint88) {\n        if (value > type(uint88).max) {\n            revert SafeCastOverflowedUintDowncast(88, value);\n        }\n        return uint88(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint80 from uint256, reverting on\n     * overflow (when the input is greater than largest uint80).\n     *\n     * Counterpart to Solidity's `uint80` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 80 bits\n     */\n    function toUint80(uint256 value) internal pure returns (uint80) {\n        if (value > type(uint80).max) {\n            revert SafeCastOverflowedUintDowncast(80, value);\n        }\n        return uint80(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint72 from uint256, reverting on\n     * overflow (when the input is greater than largest uint72).\n     *\n     * Counterpart to Solidity's `uint72` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 72 bits\n     */\n    function toUint72(uint256 value) internal pure returns (uint72) {\n        if (value > type(uint72).max) {\n            revert SafeCastOverflowedUintDowncast(72, value);\n        }\n        return uint72(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint64 from uint256, reverting on\n     * overflow (when the input is greater than largest uint64).\n     *\n     * Counterpart to Solidity's `uint64` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 64 bits\n     */\n    function toUint64(uint256 value) internal pure returns (uint64) {\n        if (value > type(uint64).max) {\n            revert SafeCastOverflowedUintDowncast(64, value);\n        }\n        return uint64(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint56 from uint256, reverting on\n     * overflow (when the input is greater than largest uint56).\n     *\n     * Counterpart to Solidity's `uint56` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 56 bits\n     */\n    function toUint56(uint256 value) internal pure returns (uint56) {\n        if (value > type(uint56).max) {\n            revert SafeCastOverflowedUintDowncast(56, value);\n        }\n        return uint56(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint48 from uint256, reverting on\n     * overflow (when the input is greater than largest uint48).\n     *\n     * Counterpart to Solidity's `uint48` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 48 bits\n     */\n    function toUint48(uint256 value) internal pure returns (uint48) {\n        if (value > type(uint48).max) {\n            revert SafeCastOverflowedUintDowncast(48, value);\n        }\n        return uint48(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint40 from uint256, reverting on\n     * overflow (when the input is greater than largest uint40).\n     *\n     * Counterpart to Solidity's `uint40` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 40 bits\n     */\n    function toUint40(uint256 value) internal pure returns (uint40) {\n        if (value > type(uint40).max) {\n            revert SafeCastOverflowedUintDowncast(40, value);\n        }\n        return uint40(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint32 from uint256, reverting on\n     * overflow (when the input is greater than largest uint32).\n     *\n     * Counterpart to Solidity's `uint32` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 32 bits\n     */\n    function toUint32(uint256 value) internal pure returns (uint32) {\n        if (value > type(uint32).max) {\n            revert SafeCastOverflowedUintDowncast(32, value);\n        }\n        return uint32(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint24 from uint256, reverting on\n     * overflow (when the input is greater than largest uint24).\n     *\n     * Counterpart to Solidity's `uint24` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 24 bits\n     */\n    function toUint24(uint256 value) internal pure returns (uint24) {\n        if (value > type(uint24).max) {\n            revert SafeCastOverflowedUintDowncast(24, value);\n        }\n        return uint24(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint16 from uint256, reverting on\n     * overflow (when the input is greater than largest uint16).\n     *\n     * Counterpart to Solidity's `uint16` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 16 bits\n     */\n    function toUint16(uint256 value) internal pure returns (uint16) {\n        if (value > type(uint16).max) {\n            revert SafeCastOverflowedUintDowncast(16, value);\n        }\n        return uint16(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint8 from uint256, reverting on\n     * overflow (when the input is greater than largest uint8).\n     *\n     * Counterpart to Solidity's `uint8` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 8 bits\n     */\n    function toUint8(uint256 value) internal pure returns (uint8) {\n        if (value > type(uint8).max) {\n            revert SafeCastOverflowedUintDowncast(8, value);\n        }\n        return uint8(value);\n    }\n\n    /**\n     * @dev Converts a signed int256 into an unsigned uint256.\n     *\n     * Requirements:\n     *\n     * - input must be greater than or equal to 0.\n     */\n    function toUint256(int256 value) internal pure returns (uint256) {\n        if (value < 0) {\n            revert SafeCastOverflowedIntToUint(value);\n        }\n        return uint256(value);\n    }\n\n    /**\n     * @dev Returns the downcasted int248 from int256, reverting on\n     * overflow (when the input is less than smallest int248 or\n     * greater than largest int248).\n     *\n     * Counterpart to Solidity's `int248` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 248 bits\n     */\n    function toInt248(int256 value) internal pure returns (int248 downcasted) {\n        downcasted = int248(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(248, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int240 from int256, reverting on\n     * overflow (when the input is less than smallest int240 or\n     * greater than largest int240).\n     *\n     * Counterpart to Solidity's `int240` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 240 bits\n     */\n    function toInt240(int256 value) internal pure returns (int240 downcasted) {\n        downcasted = int240(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(240, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int232 from int256, reverting on\n     * overflow (when the input is less than smallest int232 or\n     * greater than largest int232).\n     *\n     * Counterpart to Solidity's `int232` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 232 bits\n     */\n    function toInt232(int256 value) internal pure returns (int232 downcasted) {\n        downcasted = int232(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(232, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int224 from int256, reverting on\n     * overflow (when the input is less than smallest int224 or\n     * greater than largest int224).\n     *\n     * Counterpart to Solidity's `int224` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 224 bits\n     */\n    function toInt224(int256 value) internal pure returns (int224 downcasted) {\n        downcasted = int224(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(224, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int216 from int256, reverting on\n     * overflow (when the input is less than smallest int216 or\n     * greater than largest int216).\n     *\n     * Counterpart to Solidity's `int216` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 216 bits\n     */\n    function toInt216(int256 value) internal pure returns (int216 downcasted) {\n        downcasted = int216(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(216, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int208 from int256, reverting on\n     * overflow (when the input is less than smallest int208 or\n     * greater than largest int208).\n     *\n     * Counterpart to Solidity's `int208` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 208 bits\n     */\n    function toInt208(int256 value) internal pure returns (int208 downcasted) {\n        downcasted = int208(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(208, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int200 from int256, reverting on\n     * overflow (when the input is less than smallest int200 or\n     * greater than largest int200).\n     *\n     * Counterpart to Solidity's `int200` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 200 bits\n     */\n    function toInt200(int256 value) internal pure returns (int200 downcasted) {\n        downcasted = int200(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(200, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int192 from int256, reverting on\n     * overflow (when the input is less than smallest int192 or\n     * greater than largest int192).\n     *\n     * Counterpart to Solidity's `int192` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 192 bits\n     */\n    function toInt192(int256 value) internal pure returns (int192 downcasted) {\n        downcasted = int192(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(192, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int184 from int256, reverting on\n     * overflow (when the input is less than smallest int184 or\n     * greater than largest int184).\n     *\n     * Counterpart to Solidity's `int184` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 184 bits\n     */\n    function toInt184(int256 value) internal pure returns (int184 downcasted) {\n        downcasted = int184(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(184, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int176 from int256, reverting on\n     * overflow (when the input is less than smallest int176 or\n     * greater than largest int176).\n     *\n     * Counterpart to Solidity's `int176` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 176 bits\n     */\n    function toInt176(int256 value) internal pure returns (int176 downcasted) {\n        downcasted = int176(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(176, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int168 from int256, reverting on\n     * overflow (when the input is less than smallest int168 or\n     * greater than largest int168).\n     *\n     * Counterpart to Solidity's `int168` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 168 bits\n     */\n    function toInt168(int256 value) internal pure returns (int168 downcasted) {\n        downcasted = int168(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(168, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int160 from int256, reverting on\n     * overflow (when the input is less than smallest int160 or\n     * greater than largest int160).\n     *\n     * Counterpart to Solidity's `int160` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 160 bits\n     */\n    function toInt160(int256 value) internal pure returns (int160 downcasted) {\n        downcasted = int160(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(160, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int152 from int256, reverting on\n     * overflow (when the input is less than smallest int152 or\n     * greater than largest int152).\n     *\n     * Counterpart to Solidity's `int152` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 152 bits\n     */\n    function toInt152(int256 value) internal pure returns (int152 downcasted) {\n        downcasted = int152(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(152, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int144 from int256, reverting on\n     * overflow (when the input is less than smallest int144 or\n     * greater than largest int144).\n     *\n     * Counterpart to Solidity's `int144` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 144 bits\n     */\n    function toInt144(int256 value) internal pure returns (int144 downcasted) {\n        downcasted = int144(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(144, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int136 from int256, reverting on\n     * overflow (when the input is less than smallest int136 or\n     * greater than largest int136).\n     *\n     * Counterpart to Solidity's `int136` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 136 bits\n     */\n    function toInt136(int256 value) internal pure returns (int136 downcasted) {\n        downcasted = int136(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(136, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int128 from int256, reverting on\n     * overflow (when the input is less than smallest int128 or\n     * greater than largest int128).\n     *\n     * Counterpart to Solidity's `int128` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 128 bits\n     */\n    function toInt128(int256 value) internal pure returns (int128 downcasted) {\n        downcasted = int128(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(128, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int120 from int256, reverting on\n     * overflow (when the input is less than smallest int120 or\n     * greater than largest int120).\n     *\n     * Counterpart to Solidity's `int120` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 120 bits\n     */\n    function toInt120(int256 value) internal pure returns (int120 downcasted) {\n        downcasted = int120(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(120, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int112 from int256, reverting on\n     * overflow (when the input is less than smallest int112 or\n     * greater than largest int112).\n     *\n     * Counterpart to Solidity's `int112` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 112 bits\n     */\n    function toInt112(int256 value) internal pure returns (int112 downcasted) {\n        downcasted = int112(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(112, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int104 from int256, reverting on\n     * overflow (when the input is less than smallest int104 or\n     * greater than largest int104).\n     *\n     * Counterpart to Solidity's `int104` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 104 bits\n     */\n    function toInt104(int256 value) internal pure returns (int104 downcasted) {\n        downcasted = int104(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(104, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int96 from int256, reverting on\n     * overflow (when the input is less than smallest int96 or\n     * greater than largest int96).\n     *\n     * Counterpart to Solidity's `int96` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 96 bits\n     */\n    function toInt96(int256 value) internal pure returns (int96 downcasted) {\n        downcasted = int96(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(96, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int88 from int256, reverting on\n     * overflow (when the input is less than smallest int88 or\n     * greater than largest int88).\n     *\n     * Counterpart to Solidity's `int88` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 88 bits\n     */\n    function toInt88(int256 value) internal pure returns (int88 downcasted) {\n        downcasted = int88(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(88, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int80 from int256, reverting on\n     * overflow (when the input is less than smallest int80 or\n     * greater than largest int80).\n     *\n     * Counterpart to Solidity's `int80` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 80 bits\n     */\n    function toInt80(int256 value) internal pure returns (int80 downcasted) {\n        downcasted = int80(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(80, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int72 from int256, reverting on\n     * overflow (when the input is less than smallest int72 or\n     * greater than largest int72).\n     *\n     * Counterpart to Solidity's `int72` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 72 bits\n     */\n    function toInt72(int256 value) internal pure returns (int72 downcasted) {\n        downcasted = int72(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(72, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int64 from int256, reverting on\n     * overflow (when the input is less than smallest int64 or\n     * greater than largest int64).\n     *\n     * Counterpart to Solidity's `int64` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 64 bits\n     */\n    function toInt64(int256 value) internal pure returns (int64 downcasted) {\n        downcasted = int64(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(64, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int56 from int256, reverting on\n     * overflow (when the input is less than smallest int56 or\n     * greater than largest int56).\n     *\n     * Counterpart to Solidity's `int56` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 56 bits\n     */\n    function toInt56(int256 value) internal pure returns (int56 downcasted) {\n        downcasted = int56(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(56, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int48 from int256, reverting on\n     * overflow (when the input is less than smallest int48 or\n     * greater than largest int48).\n     *\n     * Counterpart to Solidity's `int48` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 48 bits\n     */\n    function toInt48(int256 value) internal pure returns (int48 downcasted) {\n        downcasted = int48(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(48, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int40 from int256, reverting on\n     * overflow (when the input is less than smallest int40 or\n     * greater than largest int40).\n     *\n     * Counterpart to Solidity's `int40` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 40 bits\n     */\n    function toInt40(int256 value) internal pure returns (int40 downcasted) {\n        downcasted = int40(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(40, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int32 from int256, reverting on\n     * overflow (when the input is less than smallest int32 or\n     * greater than largest int32).\n     *\n     * Counterpart to Solidity's `int32` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 32 bits\n     */\n    function toInt32(int256 value) internal pure returns (int32 downcasted) {\n        downcasted = int32(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(32, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int24 from int256, reverting on\n     * overflow (when the input is less than smallest int24 or\n     * greater than largest int24).\n     *\n     * Counterpart to Solidity's `int24` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 24 bits\n     */\n    function toInt24(int256 value) internal pure returns (int24 downcasted) {\n        downcasted = int24(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(24, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int16 from int256, reverting on\n     * overflow (when the input is less than smallest int16 or\n     * greater than largest int16).\n     *\n     * Counterpart to Solidity's `int16` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 16 bits\n     */\n    function toInt16(int256 value) internal pure returns (int16 downcasted) {\n        downcasted = int16(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(16, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int8 from int256, reverting on\n     * overflow (when the input is less than smallest int8 or\n     * greater than largest int8).\n     *\n     * Counterpart to Solidity's `int8` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 8 bits\n     */\n    function toInt8(int256 value) internal pure returns (int8 downcasted) {\n        downcasted = int8(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(8, value);\n        }\n    }\n\n    /**\n     * @dev Converts an unsigned uint256 into a signed int256.\n     *\n     * Requirements:\n     *\n     * - input must be less than or equal to maxInt256.\n     */\n    function toInt256(uint256 value) internal pure returns (int256) {\n        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive\n        if (value > uint256(type(int256).max)) {\n            revert SafeCastOverflowedUintToInt(value);\n        }\n        return int256(value);\n    }\n\n    /**\n     * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump.\n     */\n    function toUint(bool b) internal pure returns (uint256 u) {\n        assembly (\"memory-safe\") {\n            u := iszero(iszero(b))\n        }\n    }\n}\n"},"@openzeppelin/contracts/utils/math/SignedMath.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.20;\n\nimport {SafeCast} from \"./SafeCast.sol\";\n\n/**\n * @dev Standard signed math utilities missing in the Solidity language.\n */\nlibrary SignedMath {\n    /**\n     * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant.\n     *\n     * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.\n     * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute\n     * one branch when needed, making this function more expensive.\n     */\n    function ternary(bool condition, int256 a, int256 b) internal pure returns (int256) {\n        unchecked {\n            // branchless ternary works because:\n            // b ^ (a ^ b) == a\n            // b ^ 0 == b\n            return b ^ ((a ^ b) * int256(SafeCast.toUint(condition)));\n        }\n    }\n\n    /**\n     * @dev Returns the largest of two signed numbers.\n     */\n    function max(int256 a, int256 b) internal pure returns (int256) {\n        return ternary(a > b, a, b);\n    }\n\n    /**\n     * @dev Returns the smallest of two signed numbers.\n     */\n    function min(int256 a, int256 b) internal pure returns (int256) {\n        return ternary(a < b, a, b);\n    }\n\n    /**\n     * @dev Returns the average of two signed numbers without overflow.\n     * The result is rounded towards zero.\n     */\n    function average(int256 a, int256 b) internal pure returns (int256) {\n        // Formula from the book \"Hacker's Delight\"\n        int256 x = (a & b) + ((a ^ b) >> 1);\n        return x + (int256(uint256(x) >> 255) & (a ^ b));\n    }\n\n    /**\n     * @dev Returns the absolute unsigned value of a signed value.\n     */\n    function abs(int256 n) internal pure returns (uint256) {\n        unchecked {\n            // Formula from the \"Bit Twiddling Hacks\" by Sean Eron Anderson.\n            // Since `n` is a signed integer, the generated bytecode will use the SAR opcode to perform the right shift,\n            // taking advantage of the most significant (or \"sign\" bit) in two's complement representation.\n            // This opcode adds new most significant bits set to the value of the previous most significant bit. As a result,\n            // the mask will either be `bytes32(0)` (if n is positive) or `~bytes32(0)` (if n is negative).\n            int256 mask = n >> 255;\n\n            // A `bytes32(0)` mask leaves the input unchanged, while a `~bytes32(0)` mask complements it.\n            return uint256((n + mask) ^ mask);\n        }\n    }\n}\n"},"@openzeppelin/contracts/utils/Panic.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/Panic.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Helper library for emitting standardized panic codes.\n *\n * ```solidity\n * contract Example {\n *      using Panic for uint256;\n *\n *      // Use any of the declared internal constants\n *      function foo() { Panic.GENERIC.panic(); }\n *\n *      // Alternatively\n *      function foo() { Panic.panic(Panic.GENERIC); }\n * }\n * ```\n *\n * Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil].\n *\n * _Available since v5.1._\n */\n// slither-disable-next-line unused-state\nlibrary Panic {\n    /// @dev generic / unspecified error\n    uint256 internal constant GENERIC = 0x00;\n    /// @dev used by the assert() builtin\n    uint256 internal constant ASSERT = 0x01;\n    /// @dev arithmetic underflow or overflow\n    uint256 internal constant UNDER_OVERFLOW = 0x11;\n    /// @dev division or modulo by zero\n    uint256 internal constant DIVISION_BY_ZERO = 0x12;\n    /// @dev enum conversion error\n    uint256 internal constant ENUM_CONVERSION_ERROR = 0x21;\n    /// @dev invalid encoding in storage\n    uint256 internal constant STORAGE_ENCODING_ERROR = 0x22;\n    /// @dev empty array pop\n    uint256 internal constant EMPTY_ARRAY_POP = 0x31;\n    /// @dev array out of bounds access\n    uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32;\n    /// @dev resource error (too large allocation or too large array)\n    uint256 internal constant RESOURCE_ERROR = 0x41;\n    /// @dev calling invalid internal function\n    uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51;\n\n    /// @dev Reverts with a panic code. Recommended to use with\n    /// the internal constants with predefined codes.\n    function panic(uint256 code) internal pure {\n        assembly (\"memory-safe\") {\n            mstore(0x00, 0x4e487b71)\n            mstore(0x20, code)\n            revert(0x1c, 0x24)\n        }\n    }\n}\n"},"@openzeppelin/contracts/utils/Strings.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (utils/Strings.sol)\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"./math/Math.sol\";\nimport {SafeCast} from \"./math/SafeCast.sol\";\nimport {SignedMath} from \"./math/SignedMath.sol\";\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n    using SafeCast for *;\n\n    bytes16 private constant HEX_DIGITS = \"0123456789abcdef\";\n    uint8 private constant ADDRESS_LENGTH = 20;\n    uint256 private constant SPECIAL_CHARS_LOOKUP =\n        (1 << 0x08) | // backspace\n            (1 << 0x09) | // tab\n            (1 << 0x0a) | // newline\n            (1 << 0x0c) | // form feed\n            (1 << 0x0d) | // carriage return\n            (1 << 0x22) | // double quote\n            (1 << 0x5c); // backslash\n\n    /**\n     * @dev The `value` string doesn't fit in the specified `length`.\n     */\n    error StringsInsufficientHexLength(uint256 value, uint256 length);\n\n    /**\n     * @dev The string being parsed contains characters that are not in scope of the given base.\n     */\n    error StringsInvalidChar();\n\n    /**\n     * @dev The string being parsed is not a properly formatted address.\n     */\n    error StringsInvalidAddressFormat();\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n     */\n    function toString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            uint256 length = Math.log10(value) + 1;\n            string memory buffer = new string(length);\n            uint256 ptr;\n            assembly (\"memory-safe\") {\n                ptr := add(add(buffer, 0x20), length)\n            }\n            while (true) {\n                ptr--;\n                assembly (\"memory-safe\") {\n                    mstore8(ptr, byte(mod(value, 10), HEX_DIGITS))\n                }\n                value /= 10;\n                if (value == 0) break;\n            }\n            return buffer;\n        }\n    }\n\n    /**\n     * @dev Converts a `int256` to its ASCII `string` decimal representation.\n     */\n    function toStringSigned(int256 value) internal pure returns (string memory) {\n        return string.concat(value < 0 ? \"-\" : \"\", toString(SignedMath.abs(value)));\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n     */\n    function toHexString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            return toHexString(value, Math.log256(value) + 1);\n        }\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n     */\n    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n        uint256 localValue = value;\n        bytes memory buffer = new bytes(2 * length + 2);\n        buffer[0] = \"0\";\n        buffer[1] = \"x\";\n        for (uint256 i = 2 * length + 1; i > 1; --i) {\n            buffer[i] = HEX_DIGITS[localValue & 0xf];\n            localValue >>= 4;\n        }\n        if (localValue != 0) {\n            revert StringsInsufficientHexLength(value, length);\n        }\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal\n     * representation.\n     */\n    function toHexString(address addr) internal pure returns (string memory) {\n        return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH);\n    }\n\n    /**\n     * @dev Converts an `address` with fixed length of 20 bytes to its checksummed ASCII `string` hexadecimal\n     * representation, according to EIP-55.\n     */\n    function toChecksumHexString(address addr) internal pure returns (string memory) {\n        bytes memory buffer = bytes(toHexString(addr));\n\n        // hash the hex part of buffer (skip length + 2 bytes, length 40)\n        uint256 hashValue;\n        assembly (\"memory-safe\") {\n            hashValue := shr(96, keccak256(add(buffer, 0x22), 40))\n        }\n\n        for (uint256 i = 41; i > 1; --i) {\n            // possible values for buffer[i] are 48 (0) to 57 (9) and 97 (a) to 102 (f)\n            if (hashValue & 0xf > 7 && uint8(buffer[i]) > 96) {\n                // case shift by xoring with 0x20\n                buffer[i] ^= 0x20;\n            }\n            hashValue >>= 4;\n        }\n        return string(buffer);\n    }\n\n    /**\n     * @dev Returns true if the two strings are equal.\n     */\n    function equal(string memory a, string memory b) internal pure returns (bool) {\n        return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));\n    }\n\n    /**\n     * @dev Parse a decimal string and returns the value as a `uint256`.\n     *\n     * Requirements:\n     * - The string must be formatted as `[0-9]*`\n     * - The result must fit into an `uint256` type\n     */\n    function parseUint(string memory input) internal pure returns (uint256) {\n        return parseUint(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseUint-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `[0-9]*`\n     * - The result must fit into an `uint256` type\n     */\n    function parseUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) {\n        (bool success, uint256 value) = tryParseUint(input, begin, end);\n        if (!success) revert StringsInvalidChar();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseUint-string} that returns false if the parsing fails because of an invalid character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseUint(string memory input) internal pure returns (bool success, uint256 value) {\n        return _tryParseUintUncheckedBounds(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseUint-string-uint256-uint256} that returns false if the parsing fails because of an invalid\n     * character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseUint(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, uint256 value) {\n        if (end > bytes(input).length || begin > end) return (false, 0);\n        return _tryParseUintUncheckedBounds(input, begin, end);\n    }\n\n    /**\n     * @dev Implementation of {tryParseUint-string-uint256-uint256} that does not check bounds. Caller should make sure that\n     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.\n     */\n    function _tryParseUintUncheckedBounds(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) private pure returns (bool success, uint256 value) {\n        bytes memory buffer = bytes(input);\n\n        uint256 result = 0;\n        for (uint256 i = begin; i < end; ++i) {\n            uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i)));\n            if (chr > 9) return (false, 0);\n            result *= 10;\n            result += chr;\n        }\n        return (true, result);\n    }\n\n    /**\n     * @dev Parse a decimal string and returns the value as a `int256`.\n     *\n     * Requirements:\n     * - The string must be formatted as `[-+]?[0-9]*`\n     * - The result must fit in an `int256` type.\n     */\n    function parseInt(string memory input) internal pure returns (int256) {\n        return parseInt(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseInt-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `[-+]?[0-9]*`\n     * - The result must fit in an `int256` type.\n     */\n    function parseInt(string memory input, uint256 begin, uint256 end) internal pure returns (int256) {\n        (bool success, int256 value) = tryParseInt(input, begin, end);\n        if (!success) revert StringsInvalidChar();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseInt-string} that returns false if the parsing fails because of an invalid character or if\n     * the result does not fit in a `int256`.\n     *\n     * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`.\n     */\n    function tryParseInt(string memory input) internal pure returns (bool success, int256 value) {\n        return _tryParseIntUncheckedBounds(input, 0, bytes(input).length);\n    }\n\n    uint256 private constant ABS_MIN_INT256 = 2 ** 255;\n\n    /**\n     * @dev Variant of {parseInt-string-uint256-uint256} that returns false if the parsing fails because of an invalid\n     * character or if the result does not fit in a `int256`.\n     *\n     * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`.\n     */\n    function tryParseInt(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, int256 value) {\n        if (end > bytes(input).length || begin > end) return (false, 0);\n        return _tryParseIntUncheckedBounds(input, begin, end);\n    }\n\n    /**\n     * @dev Implementation of {tryParseInt-string-uint256-uint256} that does not check bounds. Caller should make sure that\n     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.\n     */\n    function _tryParseIntUncheckedBounds(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) private pure returns (bool success, int256 value) {\n        bytes memory buffer = bytes(input);\n\n        // Check presence of a negative sign.\n        bytes1 sign = begin == end ? bytes1(0) : bytes1(_unsafeReadBytesOffset(buffer, begin)); // don't do out-of-bound (possibly unsafe) read if sub-string is empty\n        bool positiveSign = sign == bytes1(\"+\");\n        bool negativeSign = sign == bytes1(\"-\");\n        uint256 offset = (positiveSign || negativeSign).toUint();\n\n        (bool absSuccess, uint256 absValue) = tryParseUint(input, begin + offset, end);\n\n        if (absSuccess && absValue < ABS_MIN_INT256) {\n            return (true, negativeSign ? -int256(absValue) : int256(absValue));\n        } else if (absSuccess && negativeSign && absValue == ABS_MIN_INT256) {\n            return (true, type(int256).min);\n        } else return (false, 0);\n    }\n\n    /**\n     * @dev Parse a hexadecimal string (with or without \"0x\" prefix), and returns the value as a `uint256`.\n     *\n     * Requirements:\n     * - The string must be formatted as `(0x)?[0-9a-fA-F]*`\n     * - The result must fit in an `uint256` type.\n     */\n    function parseHexUint(string memory input) internal pure returns (uint256) {\n        return parseHexUint(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseHexUint-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `(0x)?[0-9a-fA-F]*`\n     * - The result must fit in an `uint256` type.\n     */\n    function parseHexUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) {\n        (bool success, uint256 value) = tryParseHexUint(input, begin, end);\n        if (!success) revert StringsInvalidChar();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseHexUint-string} that returns false if the parsing fails because of an invalid character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseHexUint(string memory input) internal pure returns (bool success, uint256 value) {\n        return _tryParseHexUintUncheckedBounds(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseHexUint-string-uint256-uint256} that returns false if the parsing fails because of an\n     * invalid character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseHexUint(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, uint256 value) {\n        if (end > bytes(input).length || begin > end) return (false, 0);\n        return _tryParseHexUintUncheckedBounds(input, begin, end);\n    }\n\n    /**\n     * @dev Implementation of {tryParseHexUint-string-uint256-uint256} that does not check bounds. Caller should make sure that\n     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.\n     */\n    function _tryParseHexUintUncheckedBounds(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) private pure returns (bool success, uint256 value) {\n        bytes memory buffer = bytes(input);\n\n        // skip 0x prefix if present\n        bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(buffer, begin)) == bytes2(\"0x\"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty\n        uint256 offset = hasPrefix.toUint() * 2;\n\n        uint256 result = 0;\n        for (uint256 i = begin + offset; i < end; ++i) {\n            uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i)));\n            if (chr > 15) return (false, 0);\n            result *= 16;\n            unchecked {\n                // Multiplying by 16 is equivalent to a shift of 4 bits (with additional overflow check).\n                // This guarantees that adding a value < 16 will not cause an overflow, hence the unchecked.\n                result += chr;\n            }\n        }\n        return (true, result);\n    }\n\n    /**\n     * @dev Parse a hexadecimal string (with or without \"0x\" prefix), and returns the value as an `address`.\n     *\n     * Requirements:\n     * - The string must be formatted as `(0x)?[0-9a-fA-F]{40}`\n     */\n    function parseAddress(string memory input) internal pure returns (address) {\n        return parseAddress(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseAddress-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `(0x)?[0-9a-fA-F]{40}`\n     */\n    function parseAddress(string memory input, uint256 begin, uint256 end) internal pure returns (address) {\n        (bool success, address value) = tryParseAddress(input, begin, end);\n        if (!success) revert StringsInvalidAddressFormat();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseAddress-string} that returns false if the parsing fails because the input is not a properly\n     * formatted address. See {parseAddress-string} requirements.\n     */\n    function tryParseAddress(string memory input) internal pure returns (bool success, address value) {\n        return tryParseAddress(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseAddress-string-uint256-uint256} that returns false if the parsing fails because input is not a properly\n     * formatted address. See {parseAddress-string-uint256-uint256} requirements.\n     */\n    function tryParseAddress(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, address value) {\n        if (end > bytes(input).length || begin > end) return (false, address(0));\n\n        bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(bytes(input), begin)) == bytes2(\"0x\"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty\n        uint256 expectedLength = 40 + hasPrefix.toUint() * 2;\n\n        // check that input is the correct length\n        if (end - begin == expectedLength) {\n            // length guarantees that this does not overflow, and value is at most type(uint160).max\n            (bool s, uint256 v) = _tryParseHexUintUncheckedBounds(input, begin, end);\n            return (s, address(uint160(v)));\n        } else {\n            return (false, address(0));\n        }\n    }\n\n    function _tryParseChr(bytes1 chr) private pure returns (uint8) {\n        uint8 value = uint8(chr);\n\n        // Try to parse `chr`:\n        // - Case 1: [0-9]\n        // - Case 2: [a-f]\n        // - Case 3: [A-F]\n        // - otherwise not supported\n        unchecked {\n            if (value > 47 && value < 58) value -= 48;\n            else if (value > 96 && value < 103) value -= 87;\n            else if (value > 64 && value < 71) value -= 55;\n            else return type(uint8).max;\n        }\n\n        return value;\n    }\n\n    /**\n     * @dev Escape special characters in JSON strings. This can be useful to prevent JSON injection in NFT metadata.\n     *\n     * WARNING: This function should only be used in double quoted JSON strings. Single quotes are not escaped.\n     *\n     * NOTE: This function escapes all unicode characters, and not just the ones in ranges defined in section 2.5 of\n     * RFC-4627 (U+0000 to U+001F, U+0022 and U+005C). ECMAScript's `JSON.parse` does recover escaped unicode\n     * characters that are not in this range, but other tooling may provide different results.\n     */\n    function escapeJSON(string memory input) internal pure returns (string memory) {\n        bytes memory buffer = bytes(input);\n        bytes memory output = new bytes(2 * buffer.length); // worst case scenario\n        uint256 outputLength = 0;\n\n        for (uint256 i; i < buffer.length; ++i) {\n            bytes1 char = bytes1(_unsafeReadBytesOffset(buffer, i));\n            if (((SPECIAL_CHARS_LOOKUP & (1 << uint8(char))) != 0)) {\n                output[outputLength++] = \"\\\\\";\n                if (char == 0x08) output[outputLength++] = \"b\";\n                else if (char == 0x09) output[outputLength++] = \"t\";\n                else if (char == 0x0a) output[outputLength++] = \"n\";\n                else if (char == 0x0c) output[outputLength++] = \"f\";\n                else if (char == 0x0d) output[outputLength++] = \"r\";\n                else if (char == 0x5c) output[outputLength++] = \"\\\\\";\n                else if (char == 0x22) {\n                    // solhint-disable-next-line quotes\n                    output[outputLength++] = '\"';\n                }\n            } else {\n                output[outputLength++] = char;\n            }\n        }\n        // write the actual length and deallocate unused memory\n        assembly (\"memory-safe\") {\n            mstore(output, outputLength)\n            mstore(0x40, add(output, shl(5, shr(5, add(outputLength, 63)))))\n        }\n\n        return string(output);\n    }\n\n    /**\n     * @dev Reads a bytes32 from a bytes array without bounds checking.\n     *\n     * NOTE: making this function internal would mean it could be used with memory unsafe offset, and marking the\n     * assembly block as such would prevent some optimizations.\n     */\n    function _unsafeReadBytesOffset(bytes memory buffer, uint256 offset) private pure returns (bytes32 value) {\n        // This is not memory safe in the general case, but all calls to this private function are within bounds.\n        assembly (\"memory-safe\") {\n            value := mload(add(add(buffer, 0x20), offset))\n        }\n    }\n}\n"},"contracts/AIToken.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.24;\n\nimport {ERC20} from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport {AccessControl} from \"@openzeppelin/contracts/access/AccessControl.sol\";\nimport {ECDSA} from \"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\";\nimport {MessageHashUtils} from \"@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol\";\n\n/// @title AIToken\n/// @notice ERC20 token that mints units for providers based on attested compute receipts\ncontract AIToken is ERC20, AccessControl {\n    using ECDSA for bytes32;\n    using MessageHashUtils for bytes32;\n\n    bytes32 public constant COORDINATOR_ROLE = keccak256(\"COORDINATOR_ROLE\");\n    bytes32 public constant ATTESTOR_ROLE = keccak256(\"ATTESTOR_ROLE\");\n\n    /// @notice Tracks consumed receipt hashes to prevent replay\n    mapping(bytes32 => bool) public consumedReceipts;\n\n    event ReceiptConsumed(bytes32 indexed receiptHash, address indexed provider, uint256 units, address indexed attestor);\n\n    constructor(address admin) ERC20(\"AIToken\", \"AIT\") {\n        _grantRole(DEFAULT_ADMIN_ROLE, admin);\n    }\n\n    /// @notice Mint tokens for a provider when coordinator submits a valid attested receipt\n    /// @param provider Address of the compute provider receiving minted tokens\n    /// @param units Amount of tokens to mint\n    /// @param receiptHash Unique hash representing the off-chain receipt\n    /// @param signature Coordinator-attested signature authorizing the mint\n    function mintWithReceipt(\n        address provider,\n        uint256 units,\n        bytes32 receiptHash,\n        bytes calldata signature\n    ) external onlyRole(COORDINATOR_ROLE) {\n        require(provider != address(0), \"invalid provider\");\n        require(units > 0, \"invalid units\");\n        require(!consumedReceipts[receiptHash], \"receipt already consumed\");\n\n        bytes32 digest = _mintDigest(provider, units, receiptHash);\n        address attestor = digest.recover(signature);\n        require(hasRole(ATTESTOR_ROLE, attestor), \"invalid attestor signature\");\n\n        consumedReceipts[receiptHash] = true;\n        _mint(provider, units);\n\n        emit ReceiptConsumed(receiptHash, provider, units, attestor);\n    }\n\n    /// @notice Helper to compute the signed digest required for minting\n    function mintDigest(address provider, uint256 units, bytes32 receiptHash) external view returns (bytes32) {\n        return _mintDigest(provider, units, receiptHash);\n    }\n\n    function _mintDigest(address provider, uint256 units, bytes32 receiptHash) internal view returns (bytes32) {\n        bytes32 structHash = keccak256(abi.encode(block.chainid, address(this), provider, units, receiptHash));\n        return structHash.toEthSignedMessageHash();\n    }\n}\n"},"contracts/AITokenRegistry.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.24;\n\nimport {AccessControl} from \"@openzeppelin/contracts/access/AccessControl.sol\";\n\n/// @title AITokenRegistry\n/// @notice Tracks permitted providers and staking requirements for AIToken minting\ncontract AITokenRegistry is AccessControl {\n    bytes32 public constant COORDINATOR_ROLE = keccak256(\"COORDINATOR_ROLE\");\n\n    struct ProviderInfo {\n        bool active;\n        uint256 collateral;\n    }\n\n    mapping(address => ProviderInfo) public providers;\n\n    event ProviderRegistered(address indexed provider, uint256 collateral);\n    event ProviderUpdated(address indexed provider, bool active, uint256 collateral);\n\n    constructor(address admin) {\n        _grantRole(DEFAULT_ADMIN_ROLE, admin);\n    }\n\n    function registerProvider(address provider, uint256 collateral) external onlyRole(COORDINATOR_ROLE) {\n        require(provider != address(0), \"invalid provider\");\n        require(!providers[provider].active, \"already registered\");\n        providers[provider] = ProviderInfo({active: true, collateral: collateral});\n        emit ProviderRegistered(provider, collateral);\n    }\n\n    function updateProvider(\n        address provider,\n        bool active,\n        uint256 collateral\n    ) external onlyRole(COORDINATOR_ROLE) {\n        require(provider != address(0), \"invalid provider\");\n        require(providers[provider].active || active, \"provider not registered\");\n        providers[provider] = ProviderInfo({active: active, collateral: collateral});\n        emit ProviderUpdated(provider, active, collateral);\n    }\n\n    function providerInfo(address provider) external view returns (ProviderInfo memory) {\n        return providers[provider];\n    }\n}\n"}},"settings":{"optimizer":{"enabled":true,"runs":200},"evmVersion":"paris","outputSelection":{"*":{"*":["abi","evm.bytecode","evm.deployedBytecode","evm.methodIdentifiers","metadata"],"":["ast"]}}}},"output":{"sources":{"@openzeppelin/contracts/access/AccessControl.sol":{"ast":{"absolutePath":"@openzeppelin/contracts/access/AccessControl.sol","exportedSymbols":{"AccessControl":[296],"Context":[1165],"ERC165":[3077],"IAccessControl":[379],"IERC165":[3089]},"id":297,"license":"MIT","nodeType":"SourceUnit","nodes":[{"id":1,"literals":["solidity","^","0.8",".20"],"nodeType":"PragmaDirective","src":"108:24:0"},{"absolutePath":"@openzeppelin/contracts/access/IAccessControl.sol","file":"./IAccessControl.sol","id":3,"nameLocation":"-1:-1:-1","nodeType":"ImportDirective","scope":297,"sourceUnit":380,"src":"134:52:0","symbolAliases":[{"foreign":{"id":2,"name":"IAccessControl","nodeType":"Identifier","overloadedDeclarations":[],"referencedDeclaration":379,"src":"142:14:0","typeDescriptions":{}},"nameLocation":"-1:-1:-1"}],"unitAlias":""},{"absolutePath":"@openzeppelin/contracts/utils/Context.sol","file":"../utils/Context.sol","id":5,"nameLocation":"-1:-1:-1","nodeType":"ImportDirective","scope":297,"sourceUnit":1166,"src":"187:45:0","symbolAliases":[{"foreign":{"id":4,"name":"Context","nodeType":"Identifier","overloadedDeclarations":[],"referencedDeclaration":1165,"src":"195:7:0","typeDescriptions":{}},"nameLocation":"-1:-1:-1"}],"unitAlias":""},{"absolutePath":"@openzeppelin/contracts/utils/introspection/ERC165.sol","file":"../utils/introspection/ERC165.sol","id":8,"nameLocation":"-1:-1:-1","nodeType":"ImportDirective","scope":297,"sourceUnit":3078,"src":"233:66:0","symbolAliases":[{"foreign":{"id":6,"name":"IERC165","nodeType":"Identifier","overloadedDeclarations":[],"referencedDeclaration":3089,"src":"241:7:0","typeDescriptions":{}},"nameLocation":"-1:-1:-1"},{"foreign":{"id":7,"name":"ERC165","nodeType":"Identifier","overloadedDeclarations":[],"referencedDeclaration":3077,"src":"250:6:0","typeDescriptions":{}},"nameLocation":"-1:-1:-1"}],"unitAlias":""},{"abstract":true,"baseContracts":[{"baseName":{"id":10,"name":"Context","nameLocations":["1997:7:0"],"nodeType":"IdentifierPath","referencedDeclaration":1165,"src":"1997:7:0"},"id":11,"nodeType":"InheritanceSpecifier","src":"1997:7:0"},{"baseName":{"id":12,"name":"IAccessControl","nameLocations":["2006:14:0"],"nodeType":"IdentifierPath","referencedDeclaration":379,"src":"2006:14:0"},"id":13,"nodeType":"InheritanceSpecifier","src":"2006:14:0"},{"baseName":{"id":14,"name":"ERC165","nameLocations":["2022:6:0"],"nodeType":"IdentifierPath","referencedDeclaration":3077,"src":"2022:6:0"},"id":15,"nodeType":"InheritanceSpecifier","src":"2022:6:0"}],"canonicalName":"AccessControl","contractDependencies":[],"contractKind":"contract","documentation":{"id":9,"nodeType":"StructuredDocumentation","src":"301:1660:0","text":" @dev Contract module that allows children to implement role-based access\n control mechanisms. This is a lightweight version that doesn't allow enumerating role\n members except through off-chain means by accessing the contract event logs. Some\n applications may benefit from on-chain enumerability, for those cases see\n {AccessControlEnumerable}.\n Roles are referred to by their `bytes32` identifier. These should be exposed\n in the external API and be unique. The best way to achieve this is by\n using `public constant` hash digests:\n ```solidity\n bytes32 public constant MY_ROLE = keccak256(\"MY_ROLE\");\n ```\n Roles can be used to represent a set of permissions. To restrict access to a\n function call, use {hasRole}:\n ```solidity\n function foo() public {\n     require(hasRole(MY_ROLE, msg.sender));\n     ...\n }\n ```\n Roles can be granted and revoked dynamically via the {grantRole} and\n {revokeRole} functions. 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the caller must have ``role``'s admin role."},"functionSelector":"d547741f","id":370,"implemented":false,"kind":"function","modifiers":[],"name":"revokeRole","nameLocation":"2714:10:1","nodeType":"FunctionDefinition","parameters":{"id":368,"nodeType":"ParameterList","parameters":[{"constant":false,"id":365,"mutability":"mutable","name":"role","nameLocation":"2733:4:1","nodeType":"VariableDeclaration","scope":370,"src":"2725:12:1","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_bytes32","typeString":"bytes32"},"typeName":{"id":364,"name":"bytes32","nodeType":"ElementaryTypeName","src":"2725:7:1","typeDescriptions":{"typeIdentifier":"t_bytes32","typeString":"bytes32"}},"visibility":"internal"},{"constant":false,"id":367,"mutability":"mutable","name":"account","nameLocation":"2747:7:1","nodeType":"VariableDeclaration","scope":370,"src":"2739:15:1","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"},"typeName":{"id":366,"name":"address","nodeType":"ElementaryTypeName","src":"2739:7:1","stateMutability":"nonpayable","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"}},"visibility":"internal"}],"src":"2724:31:1"},"returnParameters":{"id":369,"nodeType":"ParameterList","parameters":[],"src":"2764:0:1"},"scope":379,"src":"2705:60:1","stateMutability":"nonpayable","virtual":false,"visibility":"external"},{"documentation":{"id":371,"nodeType":"StructuredDocumentation","src":"2771:491:1","text":" @dev Revokes `role` from the calling account.\n Roles are often managed via {grantRole} and {revokeRole}: this function's\n purpose is to provide a mechanism for accounts to lose their privileges\n if they are compromised (such as when a trusted device is misplaced).\n If the calling account had been granted `role`, emits a {RoleRevoked}\n event.\n Requirements:\n - the caller must be `callerConfirmation`."},"functionSelector":"36568abe","id":378,"implemented":false,"kind":"function","modifiers":[],"name":"renounceRole","nameLocation":"3276:12:1","nodeType":"FunctionDefinition","parameters":{"id":376,"nodeType":"ParameterList","parameters":[{"constant":false,"id":373,"mutability":"mutable","name":"role","nameLocation":"3297:4:1","nodeType":"VariableDeclaration","scope":378,"src":"3289:12:1","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_bytes32","typeString":"bytes32"},"typeName":{"id":372,"name":"bytes32","nodeType":"ElementaryTypeName","src":"3289:7:1","typeDescriptions":{"typeIdentifier":"t_bytes32","typeString":"bytes32"}},"visibility":"internal"},{"constant":false,"id":375,"mutability":"mutable","name":"callerConfirmation","nameLocation":"3311:18:1","nodeType":"VariableDeclaration","scope":378,"src":"3303:26:1","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"},"typeName":{"id":374,"name":"address","nodeType":"ElementaryTypeName","src":"3303:7:1","stateMutability":"nonpayable","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"}},"visibility":"internal"}],"src":"3288:42:1"},"returnParameters":{"id":377,"nodeType":"ParameterList","parameters":[],"src":"3339:0:1"},"scope":379,"src":"3267:73:1","stateMutability":"nonpayable","virtual":false,"visibility":"external"}],"scope":380,"src":"226:3116:1","usedErrors":[306,309],"usedEvents":[318,327,336]}],"src":"109:3234:1"},"id":1},"@openzeppelin/contracts/interfaces/draft-IERC6093.sol":{"ast":{"absolutePath":"@openzeppelin/contracts/interfaces/draft-IERC6093.sol","exportedSymbols":{"IERC1155Errors":[516],"IERC20Errors":[421],"IERC721Errors":[469]},"id":517,"license":"MIT","nodeType":"SourceUnit","nodes":[{"id":381,"literals":["solidity",">=","0.8",".4"],"nodeType":"PragmaDirective","src":"112:24:2"},{"abstract":false,"baseContracts":[],"canonicalName":"IERC20Errors","contractDependencies":[],"contractKind":"interface","documentation":{"id":382,"nodeType":"StructuredDocumentation","src":"138:141:2","text":" @dev Standard ERC-20 Errors\n Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens."},"fullyImplemented":true,"id":421,"linearizedBaseContracts":[421],"name":"IERC20Errors","nameLocation":"290:12:2","nodeType":"ContractDefinition","nodes":[{"documentation":{"id":383,"nodeType":"StructuredDocumentation","src":"309:309:2","text":" @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n @param sender Address whose tokens are being transferred.\n @param balance Current balance for the interacting account.\n @param needed Minimum amount required to perform a transfer."},"errorSelector":"e450d38c","id":391,"name":"ERC20InsufficientBalance","nameLocation":"629:24:2","nodeType":"ErrorDefinition","parameters":{"id":390,"nodeType":"ParameterList","parameters":[{"constant":false,"id":385,"mutability":"mutable","name":"sender","nameLocation":"662:6:2","nodeType":"VariableDeclaration","scope":391,"src":"654:14:2","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"},"typeName":{"id":384,"name":"address","nodeType":"ElementaryTypeName","src":"654:7:2","stateMutability":"nonpayable","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"}},"visibility":"internal"},{"constant":false,"id":387,"mutability":"mutable","name":"balance","nameLocation":"678:7:2","nodeType":"VariableDeclaration","scope":391,"src":"670:15:2","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_uint256","typeString":"uint256"},"typeName":{"id":386,"name":"uint256","nodeType":"ElementaryTypeName","src":"670:7:2","typeDescriptions":{"typeIdentifier":"t_uint256","typeString":"uint256"}},"visibility":"internal"},{"constant":false,"id":389,"mutability":"mutable","name":"needed","nameLocation":"695:6:2","nodeType":"VariableDeclaration","scope":391,"src":"687:14:2","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_uint256","typeString":"uint256"},"typeName":{"id":388,"name":"uint256","nodeType":"ElementaryTypeName","src":"687:7:2","typeDescriptions":{"typeIdentifier":"t_uint256","typeString":"uint256"}},"visibility":"internal"}],"src":"653:49:2"},"src":"623:80:2"},{"documentation":{"id":392,"nodeType":"StructuredDocumentation","src":"709:152:2","text":" @dev Indicates a failure with the token `sender`. Used in transfers.\n @param sender Address whose tokens are being transferred."},"errorSelector":"96c6fd1e","id":396,"name":"ERC20InvalidSender","nameLocation":"872:18:2","nodeType":"ErrorDefinition","parameters":{"id":395,"nodeType":"ParameterList","parameters":[{"constant":false,"id":394,"mutability":"mutable","name":"sender","nameLocation":"899:6:2","nodeType":"VariableDeclaration","scope":396,"src":"891:14:2","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"},"typeName":{"id":393,"name":"address","nodeType":"ElementaryTypeName","src":"891:7:2","stateMutability":"nonpayable","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"}},"visibility":"internal"}],"src":"890:16:2"},"src":"866:41:2"},{"documentation":{"id":397,"nodeType":"StructuredDocumentation","src":"913:159:2","text":" @dev Indicates a failure with the token `receiver`. 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Used in transfers.\n @param spender Address that may be allowed to operate on tokens without being their owner.\n @param allowance Amount of tokens a `spender` is allowed to operate with.\n @param needed Minimum amount required to perform a transfer."},"errorSelector":"fb8f41b2","id":410,"name":"ERC20InsufficientAllowance","nameLocation":"1484:26:2","nodeType":"ErrorDefinition","parameters":{"id":409,"nodeType":"ParameterList","parameters":[{"constant":false,"id":404,"mutability":"mutable","name":"spender","nameLocation":"1519:7:2","nodeType":"VariableDeclaration","scope":410,"src":"1511:15:2","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"},"typeName":{"id":403,"name":"address","nodeType":"ElementaryTypeName","src":"1511:7:2","stateMutability":"nonpayable","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"}},"visibility":"internal"},{"constant":false,"id":406,"mutability":"mutable","name":"allowance","nameLocation":"1536:9:2","nodeType":"VariableDeclaration","scope":410,"src":"1528:17:2","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_uint256","typeString":"uint256"},"typeName":{"id":405,"name":"uint256","nodeType":"ElementaryTypeName","src":"1528:7:2","typeDescriptions":{"typeIdentifier":"t_uint256","typeString":"uint256"}},"visibility":"internal"},{"constant":false,"id":408,"mutability":"mutable","name":"needed","nameLocation":"1555:6:2","nodeType":"VariableDeclaration","scope":410,"src":"1547:14:2","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_uint256","typeString":"uint256"},"typeName":{"id":407,"name":"uint256","nodeType":"ElementaryTypeName","src":"1547:7:2","typeDescriptions":{"typeIdentifier":"t_uint256","typeString":"uint256"}},"visibility":"internal"}],"src":"1510:52:2"},"src":"1478:85:2"},{"documentation":{"id":411,"nodeType":"StructuredDocumentation","src":"1569:174:2","text":" @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n @param approver Address initiating an approval operation."},"errorSelector":"e602df05","id":415,"name":"ERC20InvalidApprover","nameLocation":"1754:20:2","nodeType":"ErrorDefinition","parameters":{"id":414,"nodeType":"ParameterList","parameters":[{"constant":false,"id":413,"mutability":"mutable","name":"approver","nameLocation":"1783:8:2","nodeType":"VariableDeclaration","scope":415,"src":"1775:16:2","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"},"typeName":{"id":412,"name":"address","nodeType":"ElementaryTypeName","src":"1775:7:2","stateMutability":"nonpayable","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"}},"visibility":"internal"}],"src":"1774:18:2"},"src":"1748:45:2"},{"documentation":{"id":416,"nodeType":"StructuredDocumentation","src":"1799:195:2","text":" @dev Indicates a failure with the `spender` to be approved. 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For example, `address(0)` is a forbidden owner in ERC-20.\n Used in balance queries.\n @param owner Address of the current owner of a token."},"errorSelector":"89c62b64","id":427,"name":"ERC721InvalidOwner","nameLocation":"2450:18:2","nodeType":"ErrorDefinition","parameters":{"id":426,"nodeType":"ParameterList","parameters":[{"constant":false,"id":425,"mutability":"mutable","name":"owner","nameLocation":"2477:5:2","nodeType":"VariableDeclaration","scope":427,"src":"2469:13:2","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"},"typeName":{"id":424,"name":"address","nodeType":"ElementaryTypeName","src":"2469:7:2","stateMutability":"nonpayable","typeDescriptions":{"typeIdentifier":"t_address","typeString":"address"}},"visibility":"internal"}],"src":"2468:15:2"},"src":"2444:40:2"},{"documentation":{"id":428,"nodeType":"StructuredDocumentation","src":"2490:132:2","text":" @dev Indicates a `tokenId` whose `owner` is the zero address.\n @param tokenId Identifier number of a token."},"errorSelector":"7e273289","id":432,"name":"ERC721NonexistentToken","nameLocation":"2633:22:2","nodeType":"ErrorDefinition","parameters":{"id":431,"nodeType":"ParameterList","parameters":[{"constant":false,"id":430,"mutability":"mutable","name":"tokenId","nameLocation":"2664:7:2","nodeType":"VariableDeclaration","scope":432,"src":"2656:15:2","stateVariable":false,"storageLocation":"default","typeDescriptions":{"typeIdentifier":"t_uint256","typeString":"uint256"},"typeName":{"id":429,"name":"uint256","nodeType":"ElementaryTypeName","src":"2656:7:2","typeDescriptions":{"typeIdentifier":"t_uint256","typeString":"uint256"}},"visibility":"internal"}],"src":"2655:17:2"},"src":"2627:46:2"},{"documentation":{"id":433,"nodeType":"StructuredDocumentation","src":"2679:289:2","text":" @dev Indicates an error related to the ownership over a particular token. 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@dev Implementation of the {IERC20} interface.\n This implementation is agnostic to the way tokens are created. This means\n that a supply mechanism has to be added in a derived contract using {_mint}.\n TIP: For a detailed writeup see our guide\n https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n to implement supply mechanisms].\n The default value of {decimals} is 18. To change this, you should override\n this function so it returns a different value.\n We have followed general OpenZeppelin Contracts guidelines: functions revert\n instead returning `false` on failure. 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@dev Returns the remaining number of tokens that `spender` will be\n allowed to spend on behalf of `owner` through {transferFrom}. 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module that allows children to implement role-based access control mechanisms. This is a lightweight version that doesn't allow enumerating role members except through off-chain means by accessing the contract event logs. Some applications may benefit from on-chain enumerability, for those cases see {AccessControlEnumerable}. Roles are referred to by their `bytes32` identifier. These should be exposed in the external API and be unique. The best way to achieve this is by using `public constant` hash digests: ```solidity bytes32 public constant MY_ROLE = keccak256(\\\"MY_ROLE\\\"); ``` Roles can be used to represent a set of permissions. To restrict access to a function call, use {hasRole}: ```solidity function foo() public {     require(hasRole(MY_ROLE, msg.sender));     ... } ``` Roles can be granted and revoked dynamically via the {grantRole} and {revokeRole} functions. Each role has an associated admin role, and only accounts that have a role's admin role can call {grantRole} and {revokeRole}. By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means that only accounts with this role will be able to grant or revoke other roles. More complex role relationships can be created by using {_setRoleAdmin}. WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to grant and revoke this role. Extra precautions should be taken to secure accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules} to enforce additional security measures for this role.\",\"errors\":{\"AccessControlBadConfirmation()\":[{\"details\":\"The caller of a function is not the expected one. 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Expected in cases where the role was granted using the internal {AccessControl-_grantRole}.\"},\"RoleRevoked(bytes32,address,address)\":{\"details\":\"Emitted when `account` is revoked `role`. `sender` is the account that originated the contract call:   - if using `revokeRole`, it is the admin role bearer   - if using `renounceRole`, it is the role bearer (i.e. `account`)\"}},\"kind\":\"dev\",\"methods\":{\"getRoleAdmin(bytes32)\":{\"details\":\"Returns the admin role that controls `role`. See {grantRole} and {revokeRole}. To change a role's admin, use {_setRoleAdmin}.\"},\"grantRole(bytes32,address)\":{\"details\":\"Grants `role` to `account`. If `account` had not been already granted `role`, emits a {RoleGranted} event. Requirements: - the caller must have ``role``'s admin role. 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See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section] to learn more about how these ids are created. This function call must use less than 30 000 gas.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/access/AccessControl.sol\":\"AccessControl\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/AccessControl.sol\":{\"keccak256\":\"0x1a6b4f6b7798ab80929d491b89d5427a9b3338c0fd1acd0ba325f69c6f1646af\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7bb7f346c12a14dc622bc105ce3c47202fbc89f4b153a28a63bb68193297330c\",\"dweb:/ipfs/QmagwF8P3bUBXwdo159ueEnY9dLSvEWwK24kk2op58egwG\"]},\"@openzeppelin/contracts/access/IAccessControl.sol\":{\"keccak256\":\"0xbff9f59c84e5337689161ce7641c0ef8e872d6a7536fbc1f5133f128887aba3c\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b308f882e796f7b79c9502deacb0a62983035c6f6f4e962b319ba6a1f4a77d3d\",\"dweb:/ipfs/QmaWCW7ahEQqFjwhSUhV7Ae7WhfNvzSpE7DQ58hvEooqPL\"]},\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0x493033a8d1b176a037b2cc6a04dad01a5c157722049bbecf632ca876224dd4b2\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6a708e8a5bdb1011c2c381c9a5cfd8a9a956d7d0a9dc1bd8bcdaf52f76ef2f12\",\"dweb:/ipfs/Qmax9WHBnVsZP46ZxEMNRQpLQnrdE4dK8LehML1Py8FowF\"]},\"@openzeppelin/contracts/utils/introspection/ERC165.sol\":{\"keccak256\":\"0x2d9dc2fe26180f74c11c13663647d38e259e45f95eb88f57b61d2160b0109d3e\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://81233d1f98060113d9922180bb0f14f8335856fe9f339134b09335e9f678c377\",\"dweb:/ipfs/QmWh6R35SarhAn4z2wH8SU456jJSYL2FgucfTFgbHJJN4E\"]},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"keccak256\":\"0x8891738ffe910f0cf2da09566928589bf5d63f4524dd734fd9cedbac3274dd5c\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://971f954442df5c2ef5b5ebf1eb245d7105d9fbacc7386ee5c796df1d45b21617\",\"dweb:/ipfs/QmadRjHbkicwqwwh61raUEapaVEtaLMcYbQZWs9gUkgj3u\"]}},\"version\":1}"}},"@openzeppelin/contracts/access/IAccessControl.sol":{"IAccessControl":{"abi":[{"inputs":[],"name":"AccessControlBadConfirmation","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"neededRole","type":"bytes32"}],"name":"AccessControlUnauthorizedAccount","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"callerConfirmation","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"}],"evm":{"bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"deployedBytecode":{"functionDebugData":{},"generatedSources":[],"immutableReferences":{},"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"methodIdentifiers":{"getRoleAdmin(bytes32)":"248a9ca3","grantRole(bytes32,address)":"2f2ff15d","hasRole(bytes32,address)":"91d14854","renounceRole(bytes32,address)":"36568abe","revokeRole(bytes32,address)":"d547741f"}},"metadata":"{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"name\":\"AccessControlBadConfirmation\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"internalType\":\"bytes32\",\"name\":\"neededRole\",\"type\":\"bytes32\"}],\"name\":\"AccessControlUnauthorizedAccount\",\"type\":\"error\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"previousAdminRole\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"newAdminRole\",\"type\":\"bytes32\"}],\"name\":\"RoleAdminChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"RoleGranted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"RoleRevoked\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"}],\"name\":\"getRoleAdmin\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"grantRole\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"hasRole\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"callerConfirmation\",\"type\":\"address\"}],\"name\":\"renounceRole\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"revokeRole\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"External interface of AccessControl declared to support ERC-165 detection.\",\"errors\":{\"AccessControlBadConfirmation()\":[{\"details\":\"The caller of a function is not the expected one. NOTE: Don't confuse with {AccessControlUnauthorizedAccount}.\"}],\"AccessControlUnauthorizedAccount(address,bytes32)\":[{\"details\":\"The `account` is missing a role.\"}]},\"events\":{\"RoleAdminChanged(bytes32,bytes32,bytes32)\":{\"details\":\"Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite {RoleAdminChanged} not being emitted to signal this.\"},\"RoleGranted(bytes32,address,address)\":{\"details\":\"Emitted when `account` is granted `role`. `sender` is the account that originated the contract call. This account bears the admin role (for the granted role). Expected in cases where the role was granted using the internal {AccessControl-_grantRole}.\"},\"RoleRevoked(bytes32,address,address)\":{\"details\":\"Emitted when `account` is revoked `role`. `sender` is the account that originated the contract call:   - if using `revokeRole`, it is the admin role bearer   - if using `renounceRole`, it is the role bearer (i.e. `account`)\"}},\"kind\":\"dev\",\"methods\":{\"getRoleAdmin(bytes32)\":{\"details\":\"Returns the admin role that controls `role`. See {grantRole} and {revokeRole}. To change a role's admin, use {AccessControl-_setRoleAdmin}.\"},\"grantRole(bytes32,address)\":{\"details\":\"Grants `role` to `account`. If `account` had not been already granted `role`, emits a {RoleGranted} event. Requirements: - the caller must have ``role``'s admin role.\"},\"hasRole(bytes32,address)\":{\"details\":\"Returns `true` if `account` has been granted `role`.\"},\"renounceRole(bytes32,address)\":{\"details\":\"Revokes `role` from the calling account. Roles are often managed via {grantRole} and {revokeRole}: this function's purpose is to provide a mechanism for accounts to lose their privileges if they are compromised (such as when a trusted device is misplaced). If the calling account had been granted `role`, emits a {RoleRevoked} event. Requirements: - the caller must be `callerConfirmation`.\"},\"revokeRole(bytes32,address)\":{\"details\":\"Revokes `role` from `account`. If `account` had been granted `role`, emits a {RoleRevoked} event. Requirements: - the caller must have ``role``'s admin role.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/access/IAccessControl.sol\":\"IAccessControl\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/IAccessControl.sol\":{\"keccak256\":\"0xbff9f59c84e5337689161ce7641c0ef8e872d6a7536fbc1f5133f128887aba3c\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b308f882e796f7b79c9502deacb0a62983035c6f6f4e962b319ba6a1f4a77d3d\",\"dweb:/ipfs/QmaWCW7ahEQqFjwhSUhV7Ae7WhfNvzSpE7DQ58hvEooqPL\"]}},\"version\":1}"}},"@openzeppelin/contracts/interfaces/draft-IERC6093.sol":{"IERC1155Errors":{"abi":[{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ERC1155InsufficientBalance","type":"error"},{"inputs":[{"internalType":"address","name":"approver","type":"address"}],"name":"ERC1155InvalidApprover","type":"error"},{"inputs":[{"internalType":"uint256","name":"idsLength","type":"uint256"},{"internalType":"uint256","name":"valuesLength","type":"uint256"}],"name":"ERC1155InvalidArrayLength","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"ERC1155InvalidOperator","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC1155InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"ERC1155InvalidSender","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"address","name":"owner","type":"address"}],"name":"ERC1155MissingApprovalForAll","type":"error"}],"evm":{"bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"deployedBytecode":{"functionDebugData":{},"generatedSources":[],"immutableReferences":{},"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"methodIdentifiers":{}},"metadata":"{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"balance\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"needed\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ERC1155InsufficientBalance\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"approver\",\"type\":\"address\"}],\"name\":\"ERC1155InvalidApprover\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"idsLength\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"valuesLength\",\"type\":\"uint256\"}],\"name\":\"ERC1155InvalidArrayLength\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"}],\"name\":\"ERC1155InvalidOperator\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"receiver\",\"type\":\"address\"}],\"name\":\"ERC1155InvalidReceiver\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"ERC1155InvalidSender\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"ERC1155MissingApprovalForAll\",\"type\":\"error\"}],\"devdoc\":{\"details\":\"Standard ERC-1155 Errors Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.\",\"errors\":{\"ERC1155InsufficientBalance(address,uint256,uint256,uint256)\":[{\"details\":\"Indicates an error related to the current `balance` of a `sender`. Used in transfers.\",\"params\":{\"balance\":\"Current balance for the interacting account.\",\"needed\":\"Minimum amount required to perform a transfer.\",\"sender\":\"Address whose tokens are being transferred.\",\"tokenId\":\"Identifier number of a token.\"}}],\"ERC1155InvalidApprover(address)\":[{\"details\":\"Indicates a failure with the `approver` of a token to be approved. Used in approvals.\",\"params\":{\"approver\":\"Address initiating an approval operation.\"}}],\"ERC1155InvalidArrayLength(uint256,uint256)\":[{\"details\":\"Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation. Used in batch transfers.\",\"params\":{\"idsLength\":\"Length of the array of token identifiers\",\"valuesLength\":\"Length of the array of token amounts\"}}],\"ERC1155InvalidOperator(address)\":[{\"details\":\"Indicates a failure with the `operator` to be approved. Used in approvals.\",\"params\":{\"operator\":\"Address that may be allowed to operate on tokens without being their owner.\"}}],\"ERC1155InvalidReceiver(address)\":[{\"details\":\"Indicates a failure with the token `receiver`. Used in transfers.\",\"params\":{\"receiver\":\"Address to which tokens are being transferred.\"}}],\"ERC1155InvalidSender(address)\":[{\"details\":\"Indicates a failure with the token `sender`. Used in transfers.\",\"params\":{\"sender\":\"Address whose tokens are being transferred.\"}}],\"ERC1155MissingApprovalForAll(address,address)\":[{\"details\":\"Indicates a failure with the `operator`\\u2019s approval. Used in transfers.\",\"params\":{\"operator\":\"Address that may be allowed to operate on tokens without being their owner.\",\"owner\":\"Address of the current owner of a token.\"}}]},\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/interfaces/draft-IERC6093.sol\":\"IERC1155Errors\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/interfaces/draft-IERC6093.sol\":{\"keccak256\":\"0x19fdfb0f3b89a230e7dbd1cf416f1a6b531a3ee5db4da483f946320fc74afc0e\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://3490d794728f5bfecb46820431adaff71ba374141545ec20b650bb60353fac23\",\"dweb:/ipfs/QmPsfxjVpMcZbpE7BH93DzTpEaktESigEw4SmDzkXuJ4WR\"]}},\"version\":1}"},"IERC20Errors":{"abi":[{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"allowance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientAllowance","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientBalance","type":"error"},{"inputs":[{"internalType":"address","name":"approver","type":"address"}],"name":"ERC20InvalidApprover","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC20InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"ERC20InvalidSender","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"}],"name":"ERC20InvalidSpender","type":"error"}],"evm":{"bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"deployedBytecode":{"functionDebugData":{},"generatedSources":[],"immutableReferences":{},"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"methodIdentifiers":{}},"metadata":"{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"allowance\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"needed\",\"type\":\"uint256\"}],\"name\":\"ERC20InsufficientAllowance\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"balance\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"needed\",\"type\":\"uint256\"}],\"name\":\"ERC20InsufficientBalance\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"approver\",\"type\":\"address\"}],\"name\":\"ERC20InvalidApprover\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"receiver\",\"type\":\"address\"}],\"name\":\"ERC20InvalidReceiver\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"ERC20InvalidSender\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"}],\"name\":\"ERC20InvalidSpender\",\"type\":\"error\"}],\"devdoc\":{\"details\":\"Standard ERC-20 Errors Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.\",\"errors\":{\"ERC20InsufficientAllowance(address,uint256,uint256)\":[{\"details\":\"Indicates a failure with the `spender`\\u2019s `allowance`. Used in transfers.\",\"params\":{\"allowance\":\"Amount of tokens a `spender` is allowed to operate with.\",\"needed\":\"Minimum amount required to perform a transfer.\",\"spender\":\"Address that may be allowed to operate on tokens without being their owner.\"}}],\"ERC20InsufficientBalance(address,uint256,uint256)\":[{\"details\":\"Indicates an error related to the current `balance` of a `sender`. Used in transfers.\",\"params\":{\"balance\":\"Current balance for the interacting account.\",\"needed\":\"Minimum amount required to perform a transfer.\",\"sender\":\"Address whose tokens are being transferred.\"}}],\"ERC20InvalidApprover(address)\":[{\"details\":\"Indicates a failure with the `approver` of a token to be approved. Used in approvals.\",\"params\":{\"approver\":\"Address initiating an approval operation.\"}}],\"ERC20InvalidReceiver(address)\":[{\"details\":\"Indicates a failure with the token `receiver`. Used in transfers.\",\"params\":{\"receiver\":\"Address to which tokens are being transferred.\"}}],\"ERC20InvalidSender(address)\":[{\"details\":\"Indicates a failure with the token `sender`. Used in transfers.\",\"params\":{\"sender\":\"Address whose tokens are being transferred.\"}}],\"ERC20InvalidSpender(address)\":[{\"details\":\"Indicates a failure with the `spender` to be approved. Used in approvals.\",\"params\":{\"spender\":\"Address that may be allowed to operate on tokens without being their owner.\"}}]},\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/interfaces/draft-IERC6093.sol\":\"IERC20Errors\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/interfaces/draft-IERC6093.sol\":{\"keccak256\":\"0x19fdfb0f3b89a230e7dbd1cf416f1a6b531a3ee5db4da483f946320fc74afc0e\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://3490d794728f5bfecb46820431adaff71ba374141545ec20b650bb60353fac23\",\"dweb:/ipfs/QmPsfxjVpMcZbpE7BH93DzTpEaktESigEw4SmDzkXuJ4WR\"]}},\"version\":1}"},"IERC721Errors":{"abi":[{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"owner","type":"address"}],"name":"ERC721IncorrectOwner","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ERC721InsufficientApproval","type":"error"},{"inputs":[{"internalType":"address","name":"approver","type":"address"}],"name":"ERC721InvalidApprover","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"ERC721InvalidOperator","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"ERC721InvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC721InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"ERC721InvalidSender","type":"error"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ERC721NonexistentToken","type":"error"}],"evm":{"bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"deployedBytecode":{"functionDebugData":{},"generatedSources":[],"immutableReferences":{},"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"methodIdentifiers":{}},"metadata":"{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"ERC721IncorrectOwner\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ERC721InsufficientApproval\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"approver\",\"type\":\"address\"}],\"name\":\"ERC721InvalidApprover\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"}],\"name\":\"ERC721InvalidOperator\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"ERC721InvalidOwner\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"receiver\",\"type\":\"address\"}],\"name\":\"ERC721InvalidReceiver\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"ERC721InvalidSender\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ERC721NonexistentToken\",\"type\":\"error\"}],\"devdoc\":{\"details\":\"Standard ERC-721 Errors Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.\",\"errors\":{\"ERC721IncorrectOwner(address,uint256,address)\":[{\"details\":\"Indicates an error related to the ownership over a particular token. Used in transfers.\",\"params\":{\"owner\":\"Address of the current owner of a token.\",\"sender\":\"Address whose tokens are being transferred.\",\"tokenId\":\"Identifier number of a token.\"}}],\"ERC721InsufficientApproval(address,uint256)\":[{\"details\":\"Indicates a failure with the `operator`\\u2019s approval. Used in transfers.\",\"params\":{\"operator\":\"Address that may be allowed to operate on tokens without being their owner.\",\"tokenId\":\"Identifier number of a token.\"}}],\"ERC721InvalidApprover(address)\":[{\"details\":\"Indicates a failure with the `approver` of a token to be approved. Used in approvals.\",\"params\":{\"approver\":\"Address initiating an approval operation.\"}}],\"ERC721InvalidOperator(address)\":[{\"details\":\"Indicates a failure with the `operator` to be approved. Used in approvals.\",\"params\":{\"operator\":\"Address that may be allowed to operate on tokens without being their owner.\"}}],\"ERC721InvalidOwner(address)\":[{\"details\":\"Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20. Used in balance queries.\",\"params\":{\"owner\":\"Address of the current owner of a token.\"}}],\"ERC721InvalidReceiver(address)\":[{\"details\":\"Indicates a failure with the token `receiver`. Used in transfers.\",\"params\":{\"receiver\":\"Address to which tokens are being transferred.\"}}],\"ERC721InvalidSender(address)\":[{\"details\":\"Indicates a failure with the token `sender`. Used in transfers.\",\"params\":{\"sender\":\"Address whose tokens are being transferred.\"}}],\"ERC721NonexistentToken(uint256)\":[{\"details\":\"Indicates a `tokenId` whose `owner` is the zero address.\",\"params\":{\"tokenId\":\"Identifier number of a token.\"}}]},\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/interfaces/draft-IERC6093.sol\":\"IERC721Errors\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/interfaces/draft-IERC6093.sol\":{\"keccak256\":\"0x19fdfb0f3b89a230e7dbd1cf416f1a6b531a3ee5db4da483f946320fc74afc0e\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://3490d794728f5bfecb46820431adaff71ba374141545ec20b650bb60353fac23\",\"dweb:/ipfs/QmPsfxjVpMcZbpE7BH93DzTpEaktESigEw4SmDzkXuJ4WR\"]}},\"version\":1}"}},"@openzeppelin/contracts/token/ERC20/ERC20.sol":{"ERC20":{"abi":[{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"allowance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientAllowance","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientBalance","type":"error"},{"inputs":[{"internalType":"address","name":"approver","type":"address"}],"name":"ERC20InvalidApprover","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC20InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"ERC20InvalidSender","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"}],"name":"ERC20InvalidSpender","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}],"evm":{"bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"deployedBytecode":{"functionDebugData":{},"generatedSources":[],"immutableReferences":{},"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"methodIdentifiers":{"allowance(address,address)":"dd62ed3e","approve(address,uint256)":"095ea7b3","balanceOf(address)":"70a08231","decimals()":"313ce567","name()":"06fdde03","symbol()":"95d89b41","totalSupply()":"18160ddd","transfer(address,uint256)":"a9059cbb","transferFrom(address,address,uint256)":"23b872dd"}},"metadata":"{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint2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of the {IERC20} interface. This implementation is agnostic to the way tokens are created. This means that a supply mechanism has to be added in a derived contract using {_mint}. TIP: For a detailed writeup see our guide https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How to implement supply mechanisms]. The default value of {decimals} is 18. To change this, you should override this function so it returns a different value. We have followed general OpenZeppelin Contracts guidelines: functions revert instead returning `false` on failure. This behavior is nonetheless conventional and does not conflict with the expectations of ERC-20 applications.\",\"errors\":{\"ERC20InsufficientAllowance(address,uint256,uint256)\":[{\"details\":\"Indicates a failure with the `spender`\\u2019s `allowance`. Used in transfers.\",\"params\":{\"allowance\":\"Amount of tokens a `spender` is allowed to operate with.\",\"needed\":\"Minimum amount required to perform a transfer.\",\"spender\":\"Address that may be allowed to operate on tokens without being their owner.\"}}],\"ERC20InsufficientBalance(address,uint256,uint256)\":[{\"details\":\"Indicates an error related to the current `balance` of a `sender`. Used in transfers.\",\"params\":{\"balance\":\"Current balance for the interacting account.\",\"needed\":\"Minimum amount required to perform a transfer.\",\"sender\":\"Address whose tokens are being transferred.\"}}],\"ERC20InvalidApprover(address)\":[{\"details\":\"Indicates a failure with the `approver` of a token to be approved. Used in approvals.\",\"params\":{\"approver\":\"Address initiating an approval operation.\"}}],\"ERC20InvalidReceiver(address)\":[{\"details\":\"Indicates a failure with the token `receiver`. Used in transfers.\",\"params\":{\"receiver\":\"Address to which tokens are being transferred.\"}}],\"ERC20InvalidSender(address)\":[{\"details\":\"Indicates a failure with the token `sender`. Used in transfers.\",\"params\":{\"sender\":\"Address whose tokens are being transferred.\"}}],\"ERC20InvalidSpender(address)\":[{\"details\":\"Indicates a failure with the `spender` to be approved. Used in approvals.\",\"params\":{\"spender\":\"Address that may be allowed to operate on tokens without being their owner.\"}}]},\"events\":{\"Approval(address,address,uint256)\":{\"details\":\"Emitted when the allowance of a `spender` for an `owner` is set by a call to {approve}. `value` is the new allowance.\"},\"Transfer(address,address,uint256)\":{\"details\":\"Emitted when `value` tokens are moved from one account (`from`) to another (`to`). Note that `value` may be zero.\"}},\"kind\":\"dev\",\"methods\":{\"allowance(address,address)\":{\"details\":\"Returns the remaining number of tokens that `spender` will be allowed to spend on behalf of `owner` through {transferFrom}. This is zero by default. This value changes when {approve} or {transferFrom} are called.\"},\"approve(address,uint256)\":{\"details\":\"See {IERC20-approve}. NOTE: If `value` is the maximum `uint256`, the allowance is not updated on `transferFrom`. This is semantically equivalent to an infinite approval. Requirements: - `spender` cannot be the zero address.\"},\"balanceOf(address)\":{\"details\":\"Returns the value of tokens owned by `account`.\"},\"constructor\":{\"details\":\"Sets the values for {name} and {symbol}. Both values are immutable: they can only be set once during construction.\"},\"decimals()\":{\"details\":\"Returns the number of decimals used to get its user representation. For example, if `decimals` equals `2`, a balance of `505` tokens should be displayed to a user as `5.05` (`505 / 10 ** 2`). Tokens usually opt for a value of 18, imitating the relationship between Ether and Wei. This is the default value returned by this function, unless it's overridden. NOTE: This information is only used for _display_ purposes: it in no way affects any of the arithmetic of the contract, including {IERC20-balanceOf} and {IERC20-transfer}.\"},\"name()\":{\"details\":\"Returns the name of the token.\"},\"symbol()\":{\"details\":\"Returns the symbol of the token, usually a shorter version of the name.\"},\"totalSupply()\":{\"details\":\"Returns the value of tokens in existence.\"},\"transfer(address,uint256)\":{\"details\":\"See {IERC20-transfer}. Requirements: - `to` cannot be the zero address. - the caller must have a balance of at least `value`.\"},\"transferFrom(address,address,uint256)\":{\"details\":\"See {IERC20-transferFrom}. Skips emitting an {Approval} event indicating an allowance update. This is not required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve]. NOTE: Does not update the allowance if the current allowance is the maximum `uint256`. Requirements: - `from` and `to` cannot be the zero address. - `from` must have a balance of at least `value`. - the caller must have allowance for ``from``'s tokens of at least `value`.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/token/ERC20/ERC20.sol\":\"ERC20\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/interfaces/draft-IERC6093.sol\":{\"keccak256\":\"0x19fdfb0f3b89a230e7dbd1cf416f1a6b531a3ee5db4da483f946320fc74afc0e\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://3490d794728f5bfecb46820431adaff71ba374141545ec20b650bb60353fac23\",\"dweb:/ipfs/QmPsfxjVpMcZbpE7BH93DzTpEaktESigEw4SmDzkXuJ4WR\"]},\"@openzeppelin/contracts/token/ERC20/ERC20.sol\":{\"keccak256\":\"0x86b7b71a6aedefdad89b607378eeab1dcc5389b9ea7d17346d08af01d7190994\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://1dc2db8d94a21eac8efe03adf574c419b08536409b416057a2b5b95cb772c43c\",\"dweb:/ipfs/QmZfqJCKVU1ScuX2A7s8WZdQEaikwJbDH5JBrBdKTUT4Gu\"]},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x74ed01eb66b923d0d0cfe3be84604ac04b76482a55f9dd655e1ef4d367f95bc2\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://5282825a626cfe924e504274b864a652b0023591fa66f06a067b25b51ba9b303\",\"dweb:/ipfs/QmeCfPykghhMc81VJTrHTC7sF6CRvaA1FXVq2pJhwYp1dV\"]},\"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\":{\"keccak256\":\"0xd6fa4088198f04eef10c5bce8a2f4d60554b7ec4b987f684393c01bf79b94d9f\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://f95ee0bbd4dd3ac730d066ba3e785ded4565e890dbec2fa7d3b9fe3bad9d0d6e\",\"dweb:/ipfs/QmSLr6bHkPFWT7ntj34jmwfyskpwo97T9jZUrk5sz3sdtR\"]},\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0x493033a8d1b176a037b2cc6a04dad01a5c157722049bbecf632ca876224dd4b2\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6a708e8a5bdb1011c2c381c9a5cfd8a9a956d7d0a9dc1bd8bcdaf52f76ef2f12\",\"dweb:/ipfs/Qmax9WHBnVsZP46ZxEMNRQpLQnrdE4dK8LehML1Py8FowF\"]}},\"version\":1}"}},"@openzeppelin/contracts/token/ERC20/IERC20.sol":{"IERC20":{"abi":[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}],"evm":{"bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"deployedBytecode":{"functionDebugData":{},"generatedSources":[],"immutableReferences":{},"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"methodIdentifiers":{"allowance(address,address)":"dd62ed3e","approve(address,uint256)":"095ea7b3","balanceOf(address)":"70a08231","totalSupply()":"18160ddd","transfer(address,uint256)":"a9059cbb","transferFrom(address,address,uint256)":"23b872dd"}},"metadata":"{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{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of the ERC-20 standard as defined in the ERC.\",\"events\":{\"Approval(address,address,uint256)\":{\"details\":\"Emitted when the allowance of a `spender` for an `owner` is set by a call to {approve}. `value` is the new allowance.\"},\"Transfer(address,address,uint256)\":{\"details\":\"Emitted when `value` tokens are moved from one account (`from`) to another (`to`). Note that `value` may be zero.\"}},\"kind\":\"dev\",\"methods\":{\"allowance(address,address)\":{\"details\":\"Returns the remaining number of tokens that `spender` will be allowed to spend on behalf of `owner` through {transferFrom}. This is zero by default. This value changes when {approve} or {transferFrom} are called.\"},\"approve(address,uint256)\":{\"details\":\"Sets a `value` amount of tokens as the allowance of `spender` over the caller's tokens. Returns a boolean value indicating whether the operation succeeded. IMPORTANT: Beware that changing an allowance with this method brings the risk that someone may use both the old and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 Emits an {Approval} event.\"},\"balanceOf(address)\":{\"details\":\"Returns the value of tokens owned by `account`.\"},\"totalSupply()\":{\"details\":\"Returns the value of tokens in existence.\"},\"transfer(address,uint256)\":{\"details\":\"Moves a `value` amount of tokens from the caller's account to `to`. Returns a boolean value indicating whether the operation succeeded. Emits a {Transfer} event.\"},\"transferFrom(address,address,uint256)\":{\"details\":\"Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism. `value` is then deducted from the caller's allowance. Returns a boolean value indicating whether the operation succeeded. Emits a {Transfer} 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t256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"decimals\",\"outputs\":[{\"internalType\":\"uint8\",\"name\":\"\",\"type\":\"uint8\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Interface for the optional metadata functions from the ERC-20 standard.\",\"events\":{\"Approval(address,address,uint256)\":{\"details\":\"Emitted when the allowance of a `spender` for an `owner` is set by a call to {approve}. `value` is the new allowance.\"},\"Transfer(address,address,uint256)\":{\"details\":\"Emitted when `value` tokens are moved from one account (`from`) to another (`to`). Note that `value` may be zero.\"}},\"kind\":\"dev\",\"methods\":{\"allowance(address,address)\":{\"details\":\"Returns the remaining number of tokens that `spender` will be allowed to spend on behalf of `owner` through {transferFrom}. This is zero by default. This value changes when {approve} or {transferFrom} are called.\"},\"approve(address,uint256)\":{\"details\":\"Sets a `value` amount of tokens as the allowance of `spender` over the caller's tokens. Returns a boolean value indicating whether the operation succeeded. IMPORTANT: Beware that changing an allowance with this method brings the risk that someone may use both the old and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 Emits an {Approval} event.\"},\"balanceOf(address)\":{\"details\":\"Returns the value of tokens owned by `account`.\"},\"decimals()\":{\"details\":\"Returns the decimals places of the token.\"},\"name()\":{\"details\":\"Returns the name of the token.\"},\"symbol()\":{\"details\":\"Returns the symbol of the token.\"},\"totalSupply()\":{\"details\":\"Returns the value of tokens in existence.\"},\"transfer(address,uint256)\":{\"details\":\"Moves a `value` amount of tokens from the caller's account to `to`. Returns a boolean value indicating whether the operation succeeded. Emits a {Transfer} event.\"},\"transferFrom(address,address,uint256)\":{\"details\":\"Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism. `value` is then deducted from the caller's allowance. Returns a boolean value indicating whether the operation succeeded. Emits a {Transfer} event.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\":\"IERC20Metadata\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x74ed01eb66b923d0d0cfe3be84604ac04b76482a55f9dd655e1ef4d367f95bc2\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://5282825a626cfe924e504274b864a652b0023591fa66f06a067b25b51ba9b303\",\"dweb:/ipfs/QmeCfPykghhMc81VJTrHTC7sF6CRvaA1FXVq2pJhwYp1dV\"]},\"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\":{\"keccak256\":\"0xd6fa4088198f04eef10c5bce8a2f4d60554b7ec4b987f684393c01bf79b94d9f\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://f95ee0bbd4dd3ac730d066ba3e785ded4565e890dbec2fa7d3b9fe3bad9d0d6e\",\"dweb:/ipfs/QmSLr6bHkPFWT7ntj34jmwfyskpwo97T9jZUrk5sz3sdtR\"]}},\"version\":1}"}},"@openzeppelin/contracts/utils/Context.sol":{"Context":{"abi":[],"evm":{"bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"deployedBytecode":{"functionDebugData":{},"generatedSources":[],"immutableReferences":{},"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"methodIdentifiers":{}},"metadata":"{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"Provides information about the current execution context, including the sender of the transaction and its data. While these are generally available via msg.sender and msg.data, they should not be accessed in such a direct manner, since when dealing with meta-transactions the account sending and paying for execution may not be the actual sender (as far as an application is concerned). This contract is only required for intermediate, library-like contracts.\",\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/utils/Context.sol\":\"Context\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0x493033a8d1b176a037b2cc6a04dad01a5c157722049bbecf632ca876224dd4b2\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6a708e8a5bdb1011c2c381c9a5cfd8a9a956d7d0a9dc1bd8bcdaf52f76ef2f12\",\"dweb:/ipfs/Qmax9WHBnVsZP46ZxEMNRQpLQnrdE4dK8LehML1Py8FowF\"]}},\"version\":1}"}},"@openzeppelin/contracts/utils/Panic.sol":{"Panic":{"abi":[],"evm":{"bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220fec73f632edd47d0e7ae9933b51e8f4da78eb465818c4263bebf6623ab05aff164736f6c63430008180033","opcodes":"PUSH1 0x56 PUSH1 0x37 PUSH1 0xB DUP3 DUP3 DUP3 CODECOPY DUP1 MLOAD PUSH1 0x0 BYTE PUSH1 0x73 EQ PUSH1 0x2A JUMPI PUSH4 0x4E487B71 PUSH1 0xE0 SHL PUSH1 0x0 MSTORE PUSH1 0x0 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST ADDRESS PUSH1 0x0 MSTORE PUSH1 0x73 DUP2 MSTORE8 DUP3 DUP2 RETURN INVALID PUSH20 0x0 ADDRESS EQ PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x0 DUP1 REVERT INVALID LOG2 PUSH5 0x6970667358 0x22 SLT KECCAK256 INVALID 0xC7 EXTCODEHASH PUSH4 0x2EDD47D0 0xE7 0xAE SWAP10 CALLER 0xB5 0x1E DUP16 0x4D 0xA7 DUP15 0xB4 PUSH6 0x818C4263BEBF PUSH7 0x23AB05AFF16473 PUSH16 0x6C634300081800330000000000000000 ","sourceMap":"657:1315:7:-:0;;;;;;;;;;;;;;;-1:-1:-1;;;657:1315:7;;;;;;;;;;;;;;;;;"},"deployedBytecode":{"functionDebugData":{},"generatedSources":[],"immutableReferences":{},"linkReferences":{},"object":"73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220fec73f632edd47d0e7ae9933b51e8f4da78eb465818c4263bebf6623ab05aff164736f6c63430008180033","opcodes":"PUSH20 0x0 ADDRESS EQ PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x0 DUP1 REVERT INVALID LOG2 PUSH5 0x6970667358 0x22 SLT KECCAK256 INVALID 0xC7 EXTCODEHASH PUSH4 0x2EDD47D0 0xE7 0xAE SWAP10 CALLER 0xB5 0x1E DUP16 0x4D 0xA7 DUP15 0xB4 PUSH6 0x818C4263BEBF PUSH7 0x23AB05AFF16473 PUSH16 0x6C634300081800330000000000000000 ","sourceMap":"657:1315:7:-:0;;;;;;;;"},"methodIdentifiers":{}},"metadata":"{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"Helper library for emitting standardized panic codes. ```solidity contract Example {      using Panic for uint256;      // Use any of the declared internal constants      function foo() { Panic.GENERIC.panic(); }      // Alternatively      function foo() { Panic.panic(Panic.GENERIC); } } ``` Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil]. _Available since v5.1._\",\"kind\":\"dev\",\"methods\":{},\"stateVariables\":{\"ARRAY_OUT_OF_BOUNDS\":{\"details\":\"array out of bounds access\"},\"ASSERT\":{\"details\":\"used by the assert() builtin\"},\"DIVISION_BY_ZERO\":{\"details\":\"division or modulo by zero\"},\"EMPTY_ARRAY_POP\":{\"details\":\"empty array pop\"},\"ENUM_CONVERSION_ERROR\":{\"details\":\"enum conversion error\"},\"GENERIC\":{\"details\":\"generic / unspecified error\"},\"INVALID_INTERNAL_FUNCTION\":{\"details\":\"calling invalid internal function\"},\"RESOURCE_ERROR\":{\"details\":\"resource error (too large allocation or too large array)\"},\"STORAGE_ENCODING_ERROR\":{\"details\":\"invalid encoding in storage\"},\"UNDER_OVERFLOW\":{\"details\":\"arithmetic underflow or 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These functions can be used to verify that a message was signed by the holder of the private keys of a given address.\",\"errors\":{\"ECDSAInvalidSignature()\":[{\"details\":\"The signature derives the `address(0)`.\"}],\"ECDSAInvalidSignatureLength(uint256)\":[{\"details\":\"The signature has an invalid length.\"}],\"ECDSAInvalidSignatureS(bytes32)\":[{\"details\":\"The signature has an S value that is in the upper half order.\"}]},\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\":\"ECDSA\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\":{\"keccak256\":\"0x69f54c02b7d81d505910ec198c11ed4c6a728418a868b906b4a0cf29946fda84\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://8e25e4bdb7ae1f21d23bfee996e22736fc0ab44cfabedac82a757b1edc5623b9\",\"dweb:/ipfs/QmQdWQvB6JCP9ZMbzi8EvQ1PTETqkcTWrbcVurS7DKpa5n\"]}},\"version\":1}"}},"@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol":{"MessageHashUtils":{"abi":[],"evm":{"bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122004768bd881d67da99e00ad73ad4392265131c4d4610e2df195f48d6d1cddc06164736f6c63430008180033","opcodes":"PUSH1 0x56 PUSH1 0x37 PUSH1 0xB DUP3 DUP3 DUP3 CODECOPY DUP1 MLOAD PUSH1 0x0 BYTE PUSH1 0x73 EQ PUSH1 0x2A JUMPI PUSH4 0x4E487B71 PUSH1 0xE0 SHL PUSH1 0x0 MSTORE PUSH1 0x0 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST ADDRESS PUSH1 0x0 MSTORE PUSH1 0x73 DUP2 MSTORE8 DUP3 DUP2 RETURN INVALID PUSH20 0x0 ADDRESS EQ PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x0 DUP1 REVERT INVALID LOG2 PUSH5 0x6970667358 0x22 SLT KECCAK256 DIV PUSH23 0x8BD881D67DA99E00AD73AD4392265131C4D4610E2DF195 DELEGATECALL DUP14 PUSH14 0x1CDDC06164736F6C634300081800 CALLER ","sourceMap":"521:3729:10:-:0;;;;;;;;;;;;;;;-1:-1:-1;;;521:3729:10;;;;;;;;;;;;;;;;;"},"deployedBytecode":{"functionDebugData":{},"generatedSources":[],"immutableReferences":{},"linkReferences":{},"object":"73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122004768bd881d67da99e00ad73ad4392265131c4d4610e2df195f48d6d1cddc06164736f6c63430008180033","opcodes":"PUSH20 0x0 ADDRESS EQ PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x0 DUP1 REVERT INVALID LOG2 PUSH5 0x6970667358 0x22 SLT KECCAK256 DIV PUSH23 0x8BD881D67DA99E00AD73AD4392265131C4D4610E2DF195 DELEGATECALL DUP14 PUSH14 0x1CDDC06164736F6C634300081800 CALLER ","sourceMap":"521:3729:10:-:0;;;;;;;;"},"methodIdentifiers":{}},"metadata":"{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing. The library provides methods for generating a hash of a message that conforms to the https://eips.ethereum.org/EIPS/eip-191[ERC-191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712] specifications.\",\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol\":\"MessageHashUtils\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/utils/Panic.sol\":{\"keccak256\":\"0xf7fe324703a64fc51702311dc51562d5cb1497734f074e4f483bfb6717572d7a\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://c6a5ff4f9fd8649b7ee20800b7fa387d3465bd77cf20c2d1068cd5c98e1ed57a\",\"dweb:/ipfs/QmVSaVJf9FXFhdYEYeCEfjMVHrxDh5qL4CGkxdMWpQCrqG\"]},\"@openzeppelin/contracts/utils/Strings.sol\":{\"keccak256\":\"0xad148d59f05165f9217d0a9e1ac8f772abb02ea6aaad8a756315c532bf79f9f4\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://15e3599867c2182f5831e9268b274b2ef2047825837df6b4d81c9e89254b093e\",\"dweb:/ipfs/QmZbL7XAYr5RmaNaooPgZRmcDXaudfsYQfYD9y5iAECvpS\"]},\"@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol\":{\"keccak256\":\"0x26670fef37d4adf55570ba78815eec5f31cb017e708f61886add4fc4da665631\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b16d45febff462bafd8a5669f904796a835baf607df58a8461916d3bf4f08c59\",\"dweb:/ipfs/QmU2eJFpjmT4vxeJWJyLeQb8Xht1kdB8Y6MKLDPFA9WPux\"]},\"@openzeppelin/contracts/utils/math/Math.sol\":{\"keccak256\":\"0x1225214420c83ebcca88f2ae2b50f053aaa7df7bd684c3e878d334627f2edfc6\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6c5fab4970634f9ab9a620983dc1c8a30153981a0b1a521666e269d0a11399d3\",\"dweb:/ipfs/QmVRnBC575MESGkEHndjujtR7qub2FzU9RWy9eKLp4hPZB\"]},\"@openzeppelin/contracts/utils/math/SafeCast.sol\":{\"keccak256\":\"0x195533c86d0ef72bcc06456a4f66a9b941f38eb403739b00f21fd7c1abd1ae54\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b1d578337048cad08c1c03041cca5978eff5428aa130c781b271ad9e5566e1f8\",\"dweb:/ipfs/QmPFKL2r9CBsMwmUqqdcFPfHZB2qcs9g1HDrPxzWSxomvy\"]},\"@openzeppelin/contracts/utils/math/SignedMath.sol\":{\"keccak256\":\"0xb1970fac7b64e6c09611e6691791e848d5e3fe410fa5899e7df2e0afd77a99e3\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://db5fbb3dddd8b7047465b62575d96231ba8a2774d37fb4737fbf23340fabbb03\",\"dweb:/ipfs/QmVUSvooZKEdEdap619tcJjTLcAuH6QBdZqAzWwnAXZAWJ\"]}},\"version\":1}"}},"@openzeppelin/contracts/utils/introspection/ERC165.sol":{"ERC165":{"abi":[{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}],"evm":{"bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"deployedBytecode":{"functionDebugData":{},"generatedSources":[],"immutableReferences":{},"linkReferences":{},"object":"","opcodes":"","sourceMap":""},"methodIdentifiers":{"supportsInterface(bytes4)":"01ffc9a7"}},"metadata":"{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Implementation of the {IERC165} interface. Contracts that want to implement ERC-165 should inherit from this contract and override {supportsInterface} to check for the additional interface id that will be supported. For example: ```solidity function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); } ```\",\"kind\":\"dev\",\"methods\":{\"supportsInterface(bytes4)\":{\"details\":\"Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section] to learn more about how these ids are created. 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   { }\n    function abi_decode_tuple_t_address_fromMemory(headStart, dataEnd) -> value0\n    {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n        let value := mload(headStart)\n        if iszero(eq(value, and(value, sub(shl(160, 1), 1)))) { revert(0, 0) }\n        value0 := value\n    }\n    function panic_error_0x41()\n    {\n        mstore(0, shl(224, 0x4e487b71))\n        mstore(4, 0x41)\n        revert(0, 0x24)\n    }\n    function extract_byte_array_length(data) -> length\n    {\n        length := shr(1, data)\n        let outOfPlaceEncoding := and(data, 1)\n        if iszero(outOfPlaceEncoding) { length := and(length, 0x7f) }\n        if eq(outOfPlaceEncoding, lt(length, 32))\n        {\n            mstore(0, shl(224, 0x4e487b71))\n            mstore(4, 0x22)\n            revert(0, 0x24)\n        }\n    }\n    function array_dataslot_string_storage(ptr) -> data\n    {\n        mstore(0, ptr)\n        data := keccak256(0, 0x20)\n    }\n    function clean_up_bytearray_end_slots_string_storage(array, len, startIndex)\n    {\n        if gt(len, 31)\n        {\n            let _1 := 0\n            mstore(0, array)\n            let data := keccak256(0, 0x20)\n            let deleteStart := add(data, shr(5, add(startIndex, 31)))\n            if lt(startIndex, 0x20) { deleteStart := data }\n            let _2 := add(data, shr(5, add(len, 31)))\n            let start := deleteStart\n            for { } lt(start, _2) { start := add(start, 1) }\n            { sstore(start, _1) }\n        }\n    }\n    function extract_used_part_and_set_length_of_short_byte_array(data, len) -> used\n    {\n        used := or(and(data, not(shr(shl(3, len), not(0)))), shl(1, len))\n    }\n    function copy_byte_array_to_storage_from_t_string_memory_ptr_to_t_string_storage(slot, src)\n    {\n        let newLen := mload(src)\n        if gt(newLen, sub(shl(64, 1), 1)) { panic_error_0x41() }\n        clean_up_bytearray_end_slots_string_storage(slot, extract_byte_array_length(sload(slot)), newLen)\n        let srcOffset := 0\n        let srcOffset_1 := 0x20\n        srcOffset := 0x20\n        switch gt(newLen, 31)\n        case 1 {\n            let loopEnd := and(newLen, not(31))\n            let dstPtr := array_dataslot_string_storage(slot)\n            let i := 0\n            for { } lt(i, loopEnd) { i := add(i, srcOffset_1) }\n            {\n                sstore(dstPtr, mload(add(src, srcOffset)))\n                dstPtr := add(dstPtr, 1)\n                srcOffset := add(srcOffset, srcOffset_1)\n            }\n            if lt(loopEnd, newLen)\n            {\n                let lastValue := mload(add(src, srcOffset))\n                sstore(dstPtr, and(lastValue, not(shr(and(shl(3, newLen), 248), not(0)))))\n            }\n            sstore(slot, add(shl(1, newLen), 1))\n        }\n        default {\n            let value := 0\n            if newLen\n            {\n                value := mload(add(src, srcOffset))\n            }\n            sstore(slot, extract_used_part_and_set_length_of_short_byte_array(value, newLen))\n        }\n    }\n}","id":18,"language":"Yul","name":"#utility.yul"}],"linkReferences":{},"object":"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0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH3 0x11 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x1483 CODESIZE SUB DUP1 PUSH3 0x1483 DUP4 CODECOPY DUP2 ADD PUSH1 0x40 DUP2 SWAP1 MSTORE PUSH3 0x34 SWAP2 PUSH3 0x15D JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 PUSH1 0x40 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x7 DUP2 MSTORE PUSH1 0x20 ADD PUSH7 0x20A4AA37B5B2B7 PUSH1 0xC9 SHL DUP2 MSTORE POP PUSH1 0x40 MLOAD DUP1 PUSH1 0x40 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x3 DUP2 MSTORE PUSH1 0x20 ADD PUSH3 0x105255 PUSH1 0xEA SHL DUP2 MSTORE POP DUP2 PUSH1 0x3 SWAP1 DUP2 PUSH3 0x81 SWAP2 SWAP1 PUSH3 0x236 JUMP JUMPDEST POP PUSH1 0x4 PUSH3 0x90 DUP3 DUP3 PUSH3 0x236 JUMP JUMPDEST POP PUSH3 0xA2 SWAP2 POP PUSH1 0x0 SWAP1 POP DUP3 PUSH3 0xAA JUMP JUMPDEST POP POP PUSH3 0x302 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP6 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE DUP2 KECCAK256 SLOAD PUSH1 0xFF AND PUSH3 0x153 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP7 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x1 OR SWAP1 SSTORE PUSH3 0x10A CALLER SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP3 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP5 PUSH32 0x2F8788117E7EFF1D82E926EC794901D17C78024A50270940304540A733656F0D PUSH1 0x40 MLOAD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP PUSH1 0x1 PUSH3 0x157 JUMP JUMPDEST POP PUSH1 0x0 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH3 0x170 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP2 AND DUP2 EQ PUSH3 0x188 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH4 0x4E487B71 PUSH1 0xE0 SHL PUSH1 0x0 MSTORE PUSH1 0x41 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x1 DUP2 DUP2 SHR SWAP1 DUP3 AND DUP1 PUSH3 0x1BA JUMPI PUSH1 0x7F DUP3 AND SWAP2 POP JUMPDEST PUSH1 0x20 DUP3 LT DUP2 SUB PUSH3 0x1DB JUMPI PUSH4 0x4E487B71 PUSH1 0xE0 SHL PUSH1 0x0 MSTORE PUSH1 0x22 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x1F DUP3 GT ISZERO PUSH3 0x231 JUMPI PUSH1 0x0 DUP2 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 PUSH1 0x1F DUP6 ADD PUSH1 0x5 SHR DUP2 ADD PUSH1 0x20 DUP7 LT ISZERO PUSH3 0x20C JUMPI POP DUP1 JUMPDEST PUSH1 0x1F DUP6 ADD PUSH1 0x5 SHR DUP3 ADD SWAP2 POP JUMPDEST DUP2 DUP2 LT ISZERO PUSH3 0x22D JUMPI DUP3 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x218 JUMP JUMPDEST POP POP POP JUMPDEST POP POP POP JUMP JUMPDEST DUP2 MLOAD PUSH1 0x1 PUSH1 0x1 PUSH1 0x40 SHL SUB DUP2 GT ISZERO PUSH3 0x252 JUMPI PUSH3 0x252 PUSH3 0x18F JUMP JUMPDEST PUSH3 0x26A DUP2 PUSH3 0x263 DUP5 SLOAD PUSH3 0x1A5 JUMP JUMPDEST DUP5 PUSH3 0x1E1 JUMP JUMPDEST PUSH1 0x20 DUP1 PUSH1 0x1F DUP4 GT PUSH1 0x1 DUP2 EQ PUSH3 0x2A2 JUMPI PUSH1 0x0 DUP5 ISZERO PUSH3 0x289 JUMPI POP DUP6 DUP4 ADD MLOAD JUMPDEST PUSH1 0x0 NOT PUSH1 0x3 DUP7 SWAP1 SHL SHR NOT AND PUSH1 0x1 DUP6 SWAP1 SHL OR DUP6 SSTORE PUSH3 0x22D JUMP JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 DUP2 KECCAK256 PUSH1 0x1F NOT DUP7 AND SWAP2 JUMPDEST DUP3 DUP2 LT ISZERO PUSH3 0x2D3 JUMPI DUP9 DUP7 ADD MLOAD DUP3 SSTORE SWAP5 DUP5 ADD SWAP5 PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 DUP5 ADD PUSH3 0x2B2 JUMP JUMPDEST POP DUP6 DUP3 LT ISZERO PUSH3 0x2F2 JUMPI DUP8 DUP6 ADD MLOAD PUSH1 0x0 NOT PUSH1 0x3 DUP9 SWAP1 SHL PUSH1 0xF8 AND SHR NOT AND DUP2 SSTORE JUMPDEST POP POP POP POP POP PUSH1 0x1 SWAP1 DUP2 SHL ADD SWAP1 SSTORE POP JUMP JUMPDEST PUSH2 0x1171 DUP1 PUSH3 0x312 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN INVALID PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x4 CALLDATASIZE LT PUSH2 0x137 JUMPI PUSH1 0x0 CALLDATALOAD PUSH1 0xE0 SHR DUP1 PUSH4 0x36568ABE GT PUSH2 0xB8 JUMPI DUP1 PUSH4 0x95D89B41 GT PUSH2 0x7C JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x2BB JUMPI DUP1 PUSH4 0xA217FDDF EQ PUSH2 0x2C3 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2CB JUMPI DUP1 PUSH4 0xD547741F EQ PUSH2 0x2DE JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x2F1 JUMPI DUP1 PUSH4 0xE0E27FA7 EQ PUSH2 0x32A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP1 PUSH4 0x36568ABE EQ PUSH2 0x21E JUMPI DUP1 PUSH4 0x62723644 EQ PUSH2 0x231 JUMPI DUP1 PUSH4 0x6B366CB5 EQ PUSH2 0x258 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x27F JUMPI DUP1 PUSH4 0x91D14854 EQ PUSH2 0x2A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP1 PUSH4 0x248A9CA3 GT PUSH2 0xFF JUMPI DUP1 PUSH4 0x248A9CA3 EQ PUSH2 0x1B1 JUMPI DUP1 PUSH4 0x272A7B79 EQ PUSH2 0x1D4 JUMPI DUP1 PUSH4 0x2F2FF15D EQ PUSH2 0x1E7 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1FC JUMPI DUP1 PUSH4 0x336C739C EQ PUSH2 0x20B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP1 PUSH4 0x1FFC9A7 EQ PUSH2 0x13C JUMPI DUP1 PUSH4 0x6FDDE03 EQ PUSH2 0x164 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x179 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x18C JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x19E JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x14F PUSH2 0x14A CALLDATASIZE PUSH1 0x4 PUSH2 0xE77 JUMP JUMPDEST PUSH2 0x34D JUMP JUMPDEST PUSH1 0x40 MLOAD SWAP1 ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x16C PUSH2 0x384 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x15B SWAP2 SWAP1 PUSH2 0xEA8 JUMP JUMPDEST PUSH2 0x14F PUSH2 0x187 CALLDATASIZE PUSH1 0x4 PUSH2 0xF13 JUMP JUMPDEST PUSH2 0x416 JUMP JUMPDEST PUSH1 0x2 SLOAD JUMPDEST PUSH1 0x40 MLOAD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x15B JUMP JUMPDEST PUSH2 0x14F PUSH2 0x1AC CALLDATASIZE PUSH1 0x4 PUSH2 0xF3D JUMP JUMPDEST PUSH2 0x42E JUMP JUMPDEST PUSH2 0x190 PUSH2 0x1BF CALLDATASIZE PUSH1 0x4 PUSH2 0xF79 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x1 ADD SLOAD SWAP1 JUMP JUMPDEST PUSH2 0x190 PUSH2 0x1E2 CALLDATASIZE PUSH1 0x4 PUSH2 0xF92 JUMP JUMPDEST PUSH2 0x452 JUMP JUMPDEST PUSH2 0x1FA PUSH2 0x1F5 CALLDATASIZE PUSH1 0x4 PUSH2 0xFC5 JUMP JUMPDEST PUSH2 0x467 JUMP JUMPDEST STOP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x12 DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x15B JUMP JUMPDEST PUSH2 0x1FA PUSH2 0x219 CALLDATASIZE PUSH1 0x4 PUSH2 0xFF1 JUMP JUMPDEST PUSH2 0x492 JUMP JUMPDEST PUSH2 0x1FA PUSH2 0x22C CALLDATASIZE PUSH1 0x4 PUSH2 0xFC5 JUMP JUMPDEST PUSH2 0x6EF JUMP JUMPDEST PUSH2 0x190 PUSH32 0xA7E0CD0F2772B23EE4C329892293A6BD99D48C306B094D6D008C9A8BB8B731E4 DUP2 JUMP JUMPDEST PUSH2 0x190 PUSH32 0x2E8B98EEF02E8DF3BD27D1270DED3BEA3D14DB99C5234C7B14001A7FFF957BCC DUP2 JUMP JUMPDEST PUSH2 0x190 PUSH2 0x28D CALLDATASIZE PUSH1 0x4 PUSH2 0x1085 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH2 0x14F PUSH2 0x2B6 CALLDATASIZE PUSH1 0x4 PUSH2 0xFC5 JUMP JUMPDEST PUSH2 0x727 JUMP JUMPDEST PUSH2 0x16C PUSH2 0x752 JUMP JUMPDEST PUSH2 0x190 PUSH1 0x0 DUP2 JUMP JUMPDEST PUSH2 0x14F PUSH2 0x2D9 CALLDATASIZE PUSH1 0x4 PUSH2 0xF13 JUMP JUMPDEST PUSH2 0x761 JUMP JUMPDEST PUSH2 0x1FA PUSH2 0x2EC CALLDATASIZE PUSH1 0x4 PUSH2 0xFC5 JUMP JUMPDEST PUSH2 0x76F JUMP JUMPDEST PUSH2 0x190 PUSH2 0x2FF CALLDATASIZE PUSH1 0x4 PUSH2 0x10A0 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH2 0x14F PUSH2 0x338 CALLDATASIZE PUSH1 0x4 PUSH2 0xF79 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x1 PUSH1 0xE0 SHL SUB NOT DUP3 AND PUSH4 0x7965DB0B PUSH1 0xE0 SHL EQ DUP1 PUSH2 0x37E JUMPI POP PUSH4 0x1FFC9A7 PUSH1 0xE0 SHL PUSH1 0x1 PUSH1 0x1 PUSH1 0xE0 SHL SUB NOT DUP4 AND EQ JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD PUSH2 0x393 SWAP1 PUSH2 0x10CA JUMP JUMPDEST DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD PUSH2 0x3BF SWAP1 PUSH2 0x10CA JUMP JUMPDEST DUP1 ISZERO PUSH2 0x40C JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x3E1 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x40C JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3EF JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 CALLER PUSH2 0x424 DUP2 DUP6 DUP6 PUSH2 0x794 JUMP JUMPDEST POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 CALLER PUSH2 0x43C DUP6 DUP3 DUP6 PUSH2 0x7A1 JUMP JUMPDEST PUSH2 0x447 DUP6 DUP6 DUP6 PUSH2 0x81A JUMP JUMPDEST POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x45F DUP5 DUP5 DUP5 PUSH2 0x879 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x1 ADD SLOAD PUSH2 0x482 DUP2 PUSH2 0x8F8 JUMP JUMPDEST PUSH2 0x48C DUP4 DUP4 PUSH2 0x905 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH32 0x2E8B98EEF02E8DF3BD27D1270DED3BEA3D14DB99C5234C7B14001A7FFF957BCC PUSH2 0x4BC DUP2 PUSH2 0x8F8 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP7 AND PUSH2 0x50A JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH16 0x34B73B30B634B210383937BB34B232B9 PUSH1 0x81 SHL PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP6 GT PUSH2 0x54A JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xD PUSH1 0x24 DUP3 ADD MSTORE PUSH13 0x696E76616C696420756E697473 PUSH1 0x98 SHL PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x5A9 JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x18 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x7265636569707420616C726561647920636F6E73756D65640000000000000000 PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x5B6 DUP8 DUP8 DUP8 PUSH2 0x879 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x5FC DUP6 DUP6 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY PUSH1 0x0 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP DUP7 SWAP4 SWAP3 POP POP PUSH2 0x999 SWAP1 POP JUMP JUMPDEST SWAP1 POP PUSH2 0x628 PUSH32 0xA7E0CD0F2772B23EE4C329892293A6BD99D48C306B094D6D008C9A8BB8B731E4 DUP3 PUSH2 0x727 JUMP JUMPDEST PUSH2 0x674 JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x696E76616C6964206174746573746F72207369676E6174757265000000000000 PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x697 DUP9 DUP9 PUSH2 0x9C3 JUMP JUMPDEST DUP1 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP9 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP8 PUSH32 0x62BDD9E89A55DCE0E95B0356EAC19C65EF5AFDD870381A93E270DCD072F13F02 DUP11 PUSH1 0x40 MLOAD PUSH2 0x6DD SWAP2 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP2 AND CALLER EQ PUSH2 0x718 JUMPI PUSH1 0x40 MLOAD PUSH4 0x334BD919 PUSH1 0xE1 SHL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH2 0x722 DUP3 DUP3 PUSH2 0x9FD JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB SWAP4 SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x4 DUP1 SLOAD PUSH2 0x393 SWAP1 PUSH2 0x10CA JUMP JUMPDEST PUSH1 0x0 CALLER PUSH2 0x424 DUP2 DUP6 DUP6 PUSH2 0x81A JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x1 ADD SLOAD PUSH2 0x78A DUP2 PUSH2 0x8F8 JUMP JUMPDEST PUSH2 0x48C DUP4 DUP4 PUSH2 0x9FD JUMP JUMPDEST PUSH2 0x722 DUP4 DUP4 DUP4 PUSH1 0x1 PUSH2 0xA6A JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP7 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD PUSH1 0x0 NOT DUP2 LT ISZERO PUSH2 0x48C JUMPI DUP2 DUP2 LT ISZERO PUSH2 0x80B JUMPI PUSH1 0x40 MLOAD PUSH4 0x7DC7A0D9 PUSH1 0xE1 SHL DUP2 MSTORE PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP5 AND PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0x44 DUP2 ADD DUP4 SWAP1 MSTORE PUSH1 0x64 ADD PUSH2 0x501 JUMP JUMPDEST PUSH2 0x48C DUP5 DUP5 DUP5 DUP5 SUB PUSH1 0x0 PUSH2 0xA6A JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 AND PUSH2 0x844 JUMPI PUSH1 0x40 MLOAD PUSH4 0x4B637E8F PUSH1 0xE1 SHL DUP2 MSTORE PUSH1 0x0 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP3 AND PUSH2 0x86E JUMPI PUSH1 0x40 MLOAD PUSH4 0xEC442F05 PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x0 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH2 0x722 DUP4 DUP4 DUP4 PUSH2 0xB3F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD CHAINID PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE ADDRESS DUP3 DUP5 ADD MSTORE PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB SWAP6 SWAP1 SWAP6 AND PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 DUP2 ADD SWAP4 SWAP1 SWAP4 MSTORE PUSH1 0xA0 DUP1 DUP5 ADD SWAP3 SWAP1 SWAP3 MSTORE DUP1 MLOAD DUP1 DUP5 SUB SWAP1 SWAP3 ADD DUP3 MSTORE PUSH1 0xC0 SWAP1 SWAP3 ADD SWAP1 SWAP2 MSTORE DUP1 MLOAD SWAP2 ADD KECCAK256 PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1C SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x3C SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH2 0x902 DUP2 CALLER PUSH2 0xC69 JUMP JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x911 DUP4 DUP4 PUSH2 0x727 JUMP JUMPDEST PUSH2 0x991 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP7 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x949 CALLER SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP3 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP5 PUSH32 0x2F8788117E7EFF1D82E926EC794901D17C78024A50270940304540A733656F0D PUSH1 0x40 MLOAD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP PUSH1 0x1 PUSH2 0x37E JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x9A9 DUP7 DUP7 PUSH2 0xCA2 JUMP JUMPDEST SWAP3 POP SWAP3 POP SWAP3 POP PUSH2 0x9B9 DUP3 DUP3 PUSH2 0xCEF JUMP JUMPDEST POP SWAP1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP3 AND PUSH2 0x9ED JUMPI PUSH1 0x40 MLOAD PUSH4 0xEC442F05 PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x0 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH2 0x9F9 PUSH1 0x0 DUP4 DUP4 PUSH2 0xB3F JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xA09 DUP4 DUP4 PUSH2 0x727 JUMP JUMPDEST ISZERO PUSH2 0x991 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP7 AND DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND SWAP1 SSTORE MLOAD CALLER SWAP3 DUP7 SWAP2 PUSH32 0xF6391F5C32D9C69D2A47EA670B442974B53935D1EDC7FD64EB21E047A839171B SWAP2 SWAP1 LOG4 POP PUSH1 0x1 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP5 AND PUSH2 0xA94 JUMPI PUSH1 0x40 MLOAD PUSH4 0xE602DF05 PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x0 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 AND PUSH2 0xABE JUMPI PUSH1 0x40 MLOAD PUSH4 0x4A1406B1 PUSH1 0xE1 SHL DUP2 MSTORE PUSH1 0x0 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP8 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 DUP3 SWAP1 SSTORE DUP1 ISZERO PUSH2 0x48C JUMPI DUP3 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP5 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 DUP5 PUSH1 0x40 MLOAD PUSH2 0xB31 SWAP2 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP POP POP JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 AND PUSH2 0xB6A JUMPI DUP1 PUSH1 0x2 PUSH1 0x0 DUP3 DUP3 SLOAD PUSH2 0xB5F SWAP2 SWAP1 PUSH2 0x1104 JUMP JUMPDEST SWAP1 SWAP2 SSTORE POP PUSH2 0xBDC SWAP1 POP JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 DUP2 LT ISZERO PUSH2 0xBBD JUMPI PUSH1 0x40 MLOAD PUSH4 0x391434E3 PUSH1 0xE2 SHL DUP2 MSTORE PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP6 AND PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0x44 DUP2 ADD DUP4 SWAP1 MSTORE PUSH1 0x64 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SWAP1 DUP3 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP3 AND PUSH2 0xBF8 JUMPI PUSH1 0x2 DUP1 SLOAD DUP3 SWAP1 SUB SWAP1 SSTORE PUSH2 0xC17 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD DUP3 ADD SWAP1 SSTORE JUMPDEST DUP2 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP4 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP4 PUSH1 0x40 MLOAD PUSH2 0xC5C SWAP2 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP POP JUMP JUMPDEST PUSH2 0xC73 DUP3 DUP3 PUSH2 0x727 JUMP JUMPDEST PUSH2 0x9F9 JUMPI PUSH1 0x40 MLOAD PUSH4 0xE2517D3F PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP3 AND PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 DUP2 ADD DUP4 SWAP1 MSTORE PUSH1 0x44 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP4 MLOAD PUSH1 0x41 SUB PUSH2 0xCDC JUMPI PUSH1 0x20 DUP5 ADD MLOAD PUSH1 0x40 DUP6 ADD MLOAD PUSH1 0x60 DUP7 ADD MLOAD PUSH1 0x0 BYTE PUSH2 0xCCE DUP9 DUP3 DUP6 DUP6 PUSH2 0xDA8 JUMP JUMPDEST SWAP6 POP SWAP6 POP SWAP6 POP POP POP POP PUSH2 0xCE8 JUMP JUMPDEST POP POP DUP2 MLOAD PUSH1 0x0 SWAP2 POP PUSH1 0x2 SWAP1 JUMPDEST SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP3 PUSH1 0x3 DUP2 GT ISZERO PUSH2 0xD03 JUMPI PUSH2 0xD03 PUSH2 0x1125 JUMP JUMPDEST SUB PUSH2 0xD0C JUMPI POP POP JUMP JUMPDEST PUSH1 0x1 DUP3 PUSH1 0x3 DUP2 GT ISZERO PUSH2 0xD20 JUMPI PUSH2 0xD20 PUSH2 0x1125 JUMP JUMPDEST SUB PUSH2 0xD3E JUMPI PUSH1 0x40 MLOAD PUSH4 0xF645EEDF PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x2 DUP3 PUSH1 0x3 DUP2 GT ISZERO PUSH2 0xD52 JUMPI PUSH2 0xD52 PUSH2 0x1125 JUMP JUMPDEST SUB PUSH2 0xD73 JUMPI PUSH1 0x40 MLOAD PUSH4 0xFCE698F7 PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x3 DUP3 PUSH1 0x3 DUP2 GT ISZERO PUSH2 0xD87 JUMPI PUSH2 0xD87 PUSH2 0x1125 JUMP JUMPDEST SUB PUSH2 0x9F9 JUMPI PUSH1 0x40 MLOAD PUSH4 0x35E2F383 PUSH1 0xE2 SHL DUP2 MSTORE PUSH1 0x4 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH32 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0 DUP5 GT ISZERO PUSH2 0xDE3 JUMPI POP PUSH1 0x0 SWAP2 POP PUSH1 0x3 SWAP1 POP DUP3 PUSH2 0xE6D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP1 DUP5 MSTORE DUP11 SWAP1 MSTORE PUSH1 0xFF DUP10 AND SWAP3 DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x60 DUP2 ADD DUP8 SWAP1 MSTORE PUSH1 0x80 DUP2 ADD DUP7 SWAP1 MSTORE PUSH1 0x1 SWAP1 PUSH1 0xA0 ADD PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 DUP6 GAS STATICCALL ISZERO DUP1 ISZERO PUSH2 0xE37 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH1 0x1F NOT ADD MLOAD SWAP2 POP POP PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP2 AND PUSH2 0xE63 JUMPI POP PUSH1 0x0 SWAP3 POP PUSH1 0x1 SWAP2 POP DUP3 SWAP1 POP PUSH2 0xE6D JUMP JUMPDEST SWAP3 POP PUSH1 0x0 SWAP2 POP DUP2 SWAP1 POP JUMPDEST SWAP5 POP SWAP5 POP SWAP5 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xE89 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH1 0x1 PUSH1 0x1 PUSH1 0xE0 SHL SUB NOT DUP2 AND DUP2 EQ PUSH2 0xEA1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP1 DUP4 MSTORE DUP4 MLOAD DUP1 PUSH1 0x20 DUP6 ADD MSTORE PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0xED6 JUMPI DUP6 DUP2 ADD DUP4 ADD MLOAD DUP6 DUP3 ADD PUSH1 0x40 ADD MSTORE DUP3 ADD PUSH2 0xEBA JUMP JUMPDEST POP PUSH1 0x0 PUSH1 0x40 DUP3 DUP7 ADD ADD MSTORE PUSH1 0x40 PUSH1 0x1F NOT PUSH1 0x1F DUP4 ADD AND DUP6 ADD ADD SWAP3 POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST DUP1 CALLDATALOAD PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP2 AND DUP2 EQ PUSH2 0xF0E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0xF26 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF2F DUP4 PUSH2 0xEF7 JUMP JUMPDEST SWAP5 PUSH1 0x20 SWAP4 SWAP1 SWAP4 ADD CALLDATALOAD SWAP4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0xF52 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF5B DUP5 PUSH2 0xEF7 JUMP JUMPDEST SWAP3 POP PUSH2 0xF69 PUSH1 0x20 DUP6 ADD PUSH2 0xEF7 JUMP JUMPDEST SWAP2 POP PUSH1 0x40 DUP5 ADD CALLDATALOAD SWAP1 POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xF8B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP CALLDATALOAD SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0xFA7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xFB0 DUP5 PUSH2 0xEF7 JUMP JUMPDEST SWAP6 PUSH1 0x20 DUP6 ADD CALLDATALOAD SWAP6 POP PUSH1 0x40 SWAP1 SWAP5 ADD CALLDATALOAD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0xFD8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD SWAP2 POP PUSH2 0xFE8 PUSH1 0x20 DUP5 ADD PUSH2 0xEF7 JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x80 DUP7 DUP9 SUB SLT ISZERO PUSH2 0x1009 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1012 DUP7 PUSH2 0xEF7 JUMP JUMPDEST SWAP5 POP PUSH1 0x20 DUP7 ADD CALLDATALOAD SWAP4 POP PUSH1 0x40 DUP7 ADD CALLDATALOAD SWAP3 POP PUSH1 0x60 DUP7 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x103D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 DUP9 ADD SWAP2 POP DUP9 PUSH1 0x1F DUP4 ADD SLT PUSH2 0x1051 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD DUP2 DUP2 GT ISZERO PUSH2 0x1060 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP10 PUSH1 0x20 DUP3 DUP6 ADD ADD GT ISZERO PUSH2 0x1072 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP7 SWAP10 SWAP6 SWAP9 POP SWAP4 SWAP7 POP PUSH1 0x20 ADD SWAP5 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1097 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xEA1 DUP3 PUSH2 0xEF7 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x10B3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10BC DUP4 PUSH2 0xEF7 JUMP JUMPDEST SWAP2 POP PUSH2 0xFE8 PUSH1 0x20 DUP5 ADD PUSH2 0xEF7 JUMP JUMPDEST PUSH1 0x1 DUP2 DUP2 SHR SWAP1 DUP3 AND DUP1 PUSH2 0x10DE JUMPI PUSH1 0x7F DUP3 AND SWAP2 POP JUMPDEST PUSH1 0x20 DUP3 LT DUP2 SUB PUSH2 0x10FE JUMPI PUSH4 0x4E487B71 PUSH1 0xE0 SHL PUSH1 0x0 MSTORE PUSH1 0x22 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST DUP1 DUP3 ADD DUP1 DUP3 GT ISZERO PUSH2 0x37E JUMPI PUSH4 0x4E487B71 PUSH1 0xE0 SHL PUSH1 0x0 MSTORE PUSH1 0x11 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH4 0x4E487B71 PUSH1 0xE0 SHL PUSH1 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   { }\n    function abi_decode_tuple_t_bytes4(headStart, dataEnd) -> value0\n    {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n        let value := calldataload(headStart)\n        if iszero(eq(value, and(value, shl(224, 0xffffffff)))) { revert(0, 0) }\n        value0 := value\n    }\n    function abi_encode_tuple_t_bool__to_t_bool__fromStack_reversed(headStart, value0) -> tail\n    {\n        tail := add(headStart, 32)\n        mstore(headStart, iszero(iszero(value0)))\n    }\n    function abi_encode_tuple_t_string_memory_ptr__to_t_string_memory_ptr__fromStack_reversed(headStart, value0) -> tail\n    {\n        let _1 := 32\n        mstore(headStart, 32)\n        let length := mload(value0)\n        mstore(add(headStart, 32), length)\n        let i := 0\n        for { } lt(i, length) { i := add(i, _1) }\n        {\n            mstore(add(add(headStart, i), 64), mload(add(add(value0, i), _1)))\n        }\n        mstore(add(add(headStart, length), 64), 0)\n        tail := add(add(headStart, and(add(length, 31), not(31))), 64)\n    }\n    function abi_decode_address(offset) -> value\n    {\n        value := calldataload(offset)\n        if iszero(eq(value, and(value, sub(shl(160, 1), 1)))) { revert(0, 0) }\n    }\n    function abi_decode_tuple_t_addresst_uint256(headStart, dataEnd) -> value0, value1\n    {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n        value0 := abi_decode_address(headStart)\n        value1 := calldataload(add(headStart, 32))\n    }\n    function abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed(headStart, value0) -> tail\n    {\n        tail := add(headStart, 32)\n        mstore(headStart, value0)\n    }\n    function abi_decode_tuple_t_addresst_addresst_uint256(headStart, dataEnd) -> value0, value1, value2\n    {\n        if slt(sub(dataEnd, headStart), 96) { revert(0, 0) }\n        value0 := abi_decode_address(headStart)\n        value1 := abi_decode_address(add(headStart, 32))\n        value2 := calldataload(add(headStart, 64))\n    }\n    function abi_decode_tuple_t_bytes32(headStart, dataEnd) -> value0\n    {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n        value0 := calldataload(headStart)\n    }\n    function abi_encode_tuple_t_bytes32__to_t_bytes32__fromStack_reversed(headStart, value0) -> tail\n    {\n        tail := add(headStart, 32)\n        mstore(headStart, value0)\n    }\n    function abi_decode_tuple_t_addresst_uint256t_bytes32(headStart, dataEnd) -> value0, value1, value2\n    {\n        if slt(sub(dataEnd, headStart), 96) { revert(0, 0) }\n        value0 := abi_decode_address(headStart)\n        value1 := calldataload(add(headStart, 32))\n        value2 := calldataload(add(headStart, 64))\n    }\n    function abi_decode_tuple_t_bytes32t_address(headStart, dataEnd) -> value0, value1\n    {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n        value0 := calldataload(headStart)\n        value1 := abi_decode_address(add(headStart, 32))\n    }\n    function abi_encode_tuple_t_uint8__to_t_uint8__fromStack_reversed(headStart, value0) -> tail\n    {\n        tail := add(headStart, 32)\n        mstore(headStart, and(value0, 0xff))\n    }\n    function abi_decode_tuple_t_addresst_uint256t_bytes32t_bytes_calldata_ptr(headStart, dataEnd) -> value0, value1, value2, value3, value4\n    {\n        if slt(sub(dataEnd, headStart), 128) { revert(0, 0) }\n        value0 := abi_decode_address(headStart)\n        value1 := calldataload(add(headStart, 32))\n        value2 := calldataload(add(headStart, 64))\n        let offset := calldataload(add(headStart, 96))\n        let _1 := 0xffffffffffffffff\n        if gt(offset, _1) { revert(0, 0) }\n        let _2 := add(headStart, offset)\n        if iszero(slt(add(_2, 0x1f), dataEnd)) { revert(0, 0) }\n        let length := calldataload(_2)\n        if gt(length, _1) { revert(0, 0) }\n        if gt(add(add(_2, length), 32), dataEnd) { revert(0, 0) }\n        value3 := add(_2, 32)\n        value4 := length\n    }\n    function abi_decode_tuple_t_address(headStart, dataEnd) -> value0\n    {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n        value0 := abi_decode_address(headStart)\n    }\n    function abi_decode_tuple_t_addresst_address(headStart, dataEnd) -> value0, value1\n    {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n        value0 := abi_decode_address(headStart)\n        value1 := abi_decode_address(add(headStart, 32))\n    }\n    function extract_byte_array_length(data) -> length\n    {\n        length := shr(1, data)\n        let outOfPlaceEncoding := and(data, 1)\n        if iszero(outOfPlaceEncoding) { length := and(length, 0x7f) }\n        if eq(outOfPlaceEncoding, lt(length, 32))\n        {\n            mstore(0, shl(224, 0x4e487b71))\n            mstore(4, 0x22)\n            revert(0, 0x24)\n        }\n    }\n    function abi_encode_tuple_t_stringliteral_b031889738a77e524ca32687c1262f71f19b134ef21ff12a7e22fc3c48051046__to_t_string_memory_ptr__fromStack_reversed(headStart) -> tail\n    {\n        mstore(headStart, 32)\n        mstore(add(headStart, 32), 16)\n        mstore(add(headStart, 64), \"invalid provider\")\n        tail := add(headStart, 96)\n    }\n    function abi_encode_tuple_t_stringliteral_71f86cf417ff59fbe7c0fe4d47bc3a27555955742eedee4393c55e5ebd9347cc__to_t_string_memory_ptr__fromStack_reversed(headStart) -> tail\n    {\n        mstore(headStart, 32)\n        mstore(add(headStart, 32), 13)\n        mstore(add(headStart, 64), \"invalid units\")\n        tail := add(headStart, 96)\n    }\n    function abi_encode_tuple_t_stringliteral_aa5e8e776638b05fbc051ae185efa3102982bf1d06944b75bb2872751226b5c4__to_t_string_memory_ptr__fromStack_reversed(headStart) -> tail\n    {\n        mstore(headStart, 32)\n        mstore(add(headStart, 32), 24)\n        mstore(add(headStart, 64), \"receipt already consumed\")\n        tail := add(headStart, 96)\n    }\n    function abi_encode_tuple_t_stringliteral_c347248987f70db0011250d554ae2fccfb8a4b603bfebf1c3d0af4f63efc2c60__to_t_string_memory_ptr__fromStack_reversed(headStart) -> tail\n    {\n        mstore(headStart, 32)\n        mstore(add(headStart, 32), 26)\n        mstore(add(headStart, 64), \"invalid attestor signature\")\n        tail := add(headStart, 96)\n    }\n    function abi_encode_tuple_t_address_t_uint256_t_uint256__to_t_address_t_uint256_t_uint256__fromStack_reversed(headStart, value2, value1, value0) -> tail\n    {\n        tail := add(headStart, 96)\n        mstore(headStart, and(value0, sub(shl(160, 1), 1)))\n        mstore(add(headStart, 32), value1)\n        mstore(add(headStart, 64), value2)\n    }\n    function abi_encode_tuple_t_address__to_t_address__fromStack_reversed(headStart, value0) -> tail\n    {\n        tail := add(headStart, 32)\n        mstore(headStart, and(value0, sub(shl(160, 1), 1)))\n    }\n    function abi_encode_tuple_t_uint256_t_address_t_address_t_uint256_t_bytes32__to_t_uint256_t_address_t_address_t_uint256_t_bytes32__fromStack_reversed(headStart, value4, value3, value2, value1, value0) -> tail\n    {\n        tail := add(headStart, 160)\n        mstore(headStart, value0)\n        let _1 := sub(shl(160, 1), 1)\n        mstore(add(headStart, 32), and(value1, _1))\n        mstore(add(headStart, 64), and(value2, _1))\n        mstore(add(headStart, 96), value3)\n        mstore(add(headStart, 128), value4)\n    }\n    function checked_add_t_uint256(x, y) -> sum\n    {\n        sum := add(x, y)\n        if gt(x, sum)\n        {\n            mstore(0, shl(224, 0x4e487b71))\n            mstore(4, 0x11)\n            revert(0, 0x24)\n        }\n    }\n    function abi_encode_tuple_t_address_t_bytes32__to_t_address_t_bytes32__fromStack_reversed(headStart, value1, value0) -> tail\n    {\n        tail := add(headStart, 64)\n        mstore(headStart, and(value0, sub(shl(160, 1), 1)))\n        mstore(add(headStart, 32), value1)\n    }\n    function panic_error_0x21()\n    {\n        mstore(0, shl(224, 0x4e487b71))\n        mstore(4, 0x21)\n        revert(0, 0x24)\n    }\n    function abi_encode_tuple_t_bytes32_t_uint8_t_bytes32_t_bytes32__to_t_bytes32_t_uint8_t_bytes32_t_bytes32__fromStack_reversed(headStart, value3, value2, value1, value0) -> tail\n    {\n        tail := add(headStart, 128)\n        mstore(headStart, value0)\n        mstore(add(headStart, 32), and(value1, 0xff))\n        mstore(add(headStart, 64), value2)\n        mstore(add(headStart, 96), value3)\n    }\n}","id":18,"language":"Yul","name":"#utility.yul"}],"immutableReferences":{},"linkReferences":{},"object":"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0x1FC JUMPI DUP1 PUSH4 0x336C739C EQ PUSH2 0x20B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP1 PUSH4 0x1FFC9A7 EQ PUSH2 0x13C JUMPI DUP1 PUSH4 0x6FDDE03 EQ PUSH2 0x164 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x179 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x18C JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x19E JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x14F PUSH2 0x14A CALLDATASIZE PUSH1 0x4 PUSH2 0xE77 JUMP JUMPDEST PUSH2 0x34D JUMP JUMPDEST PUSH1 0x40 MLOAD SWAP1 ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x16C PUSH2 0x384 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x15B SWAP2 SWAP1 PUSH2 0xEA8 JUMP JUMPDEST PUSH2 0x14F PUSH2 0x187 CALLDATASIZE PUSH1 0x4 PUSH2 0xF13 JUMP JUMPDEST PUSH2 0x416 JUMP JUMPDEST PUSH1 0x2 SLOAD JUMPDEST PUSH1 0x40 MLOAD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x15B JUMP JUMPDEST PUSH2 0x14F PUSH2 0x1AC CALLDATASIZE PUSH1 0x4 PUSH2 0xF3D JUMP JUMPDEST PUSH2 0x42E JUMP JUMPDEST PUSH2 0x190 PUSH2 0x1BF CALLDATASIZE PUSH1 0x4 PUSH2 0xF79 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x1 ADD SLOAD SWAP1 JUMP JUMPDEST PUSH2 0x190 PUSH2 0x1E2 CALLDATASIZE PUSH1 0x4 PUSH2 0xF92 JUMP JUMPDEST PUSH2 0x452 JUMP JUMPDEST PUSH2 0x1FA PUSH2 0x1F5 CALLDATASIZE PUSH1 0x4 PUSH2 0xFC5 JUMP JUMPDEST PUSH2 0x467 JUMP JUMPDEST STOP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x12 DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x15B JUMP JUMPDEST PUSH2 0x1FA PUSH2 0x219 CALLDATASIZE PUSH1 0x4 PUSH2 0xFF1 JUMP JUMPDEST PUSH2 0x492 JUMP JUMPDEST PUSH2 0x1FA PUSH2 0x22C CALLDATASIZE PUSH1 0x4 PUSH2 0xFC5 JUMP JUMPDEST PUSH2 0x6EF JUMP JUMPDEST PUSH2 0x190 PUSH32 0xA7E0CD0F2772B23EE4C329892293A6BD99D48C306B094D6D008C9A8BB8B731E4 DUP2 JUMP JUMPDEST PUSH2 0x190 PUSH32 0x2E8B98EEF02E8DF3BD27D1270DED3BEA3D14DB99C5234C7B14001A7FFF957BCC DUP2 JUMP JUMPDEST PUSH2 0x190 PUSH2 0x28D CALLDATASIZE PUSH1 0x4 PUSH2 0x1085 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH2 0x14F PUSH2 0x2B6 CALLDATASIZE PUSH1 0x4 PUSH2 0xFC5 JUMP JUMPDEST PUSH2 0x727 JUMP JUMPDEST PUSH2 0x16C PUSH2 0x752 JUMP JUMPDEST PUSH2 0x190 PUSH1 0x0 DUP2 JUMP JUMPDEST PUSH2 0x14F PUSH2 0x2D9 CALLDATASIZE PUSH1 0x4 PUSH2 0xF13 JUMP JUMPDEST PUSH2 0x761 JUMP JUMPDEST PUSH2 0x1FA PUSH2 0x2EC CALLDATASIZE PUSH1 0x4 PUSH2 0xFC5 JUMP JUMPDEST PUSH2 0x76F JUMP JUMPDEST PUSH2 0x190 PUSH2 0x2FF CALLDATASIZE PUSH1 0x4 PUSH2 0x10A0 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH2 0x14F PUSH2 0x338 CALLDATASIZE PUSH1 0x4 PUSH2 0xF79 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x1 PUSH1 0xE0 SHL SUB NOT DUP3 AND PUSH4 0x7965DB0B PUSH1 0xE0 SHL EQ DUP1 PUSH2 0x37E JUMPI POP PUSH4 0x1FFC9A7 PUSH1 0xE0 SHL PUSH1 0x1 PUSH1 0x1 PUSH1 0xE0 SHL SUB NOT DUP4 AND EQ JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD PUSH2 0x393 SWAP1 PUSH2 0x10CA JUMP JUMPDEST DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD PUSH2 0x3BF SWAP1 PUSH2 0x10CA JUMP JUMPDEST DUP1 ISZERO PUSH2 0x40C JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x3E1 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x40C JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3EF JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 CALLER PUSH2 0x424 DUP2 DUP6 DUP6 PUSH2 0x794 JUMP JUMPDEST POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 CALLER PUSH2 0x43C DUP6 DUP3 DUP6 PUSH2 0x7A1 JUMP JUMPDEST PUSH2 0x447 DUP6 DUP6 DUP6 PUSH2 0x81A JUMP JUMPDEST POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x45F DUP5 DUP5 DUP5 PUSH2 0x879 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x1 ADD SLOAD PUSH2 0x482 DUP2 PUSH2 0x8F8 JUMP JUMPDEST PUSH2 0x48C DUP4 DUP4 PUSH2 0x905 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH32 0x2E8B98EEF02E8DF3BD27D1270DED3BEA3D14DB99C5234C7B14001A7FFF957BCC PUSH2 0x4BC DUP2 PUSH2 0x8F8 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP7 AND PUSH2 0x50A JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH16 0x34B73B30B634B210383937BB34B232B9 PUSH1 0x81 SHL PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP6 GT PUSH2 0x54A JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xD PUSH1 0x24 DUP3 ADD MSTORE PUSH13 0x696E76616C696420756E697473 PUSH1 0x98 SHL PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x5A9 JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x18 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x7265636569707420616C726561647920636F6E73756D65640000000000000000 PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x5B6 DUP8 DUP8 DUP8 PUSH2 0x879 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x5FC DUP6 DUP6 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY PUSH1 0x0 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP DUP7 SWAP4 SWAP3 POP POP PUSH2 0x999 SWAP1 POP JUMP JUMPDEST SWAP1 POP PUSH2 0x628 PUSH32 0xA7E0CD0F2772B23EE4C329892293A6BD99D48C306B094D6D008C9A8BB8B731E4 DUP3 PUSH2 0x727 JUMP JUMPDEST PUSH2 0x674 JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x696E76616C6964206174746573746F72207369676E6174757265000000000000 PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x697 DUP9 DUP9 PUSH2 0x9C3 JUMP JUMPDEST DUP1 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP9 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP8 PUSH32 0x62BDD9E89A55DCE0E95B0356EAC19C65EF5AFDD870381A93E270DCD072F13F02 DUP11 PUSH1 0x40 MLOAD PUSH2 0x6DD SWAP2 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP2 AND CALLER EQ PUSH2 0x718 JUMPI PUSH1 0x40 MLOAD PUSH4 0x334BD919 PUSH1 0xE1 SHL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH2 0x722 DUP3 DUP3 PUSH2 0x9FD JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB SWAP4 SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x4 DUP1 SLOAD PUSH2 0x393 SWAP1 PUSH2 0x10CA JUMP JUMPDEST PUSH1 0x0 CALLER PUSH2 0x424 DUP2 DUP6 DUP6 PUSH2 0x81A JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x1 ADD SLOAD PUSH2 0x78A DUP2 PUSH2 0x8F8 JUMP JUMPDEST PUSH2 0x48C DUP4 DUP4 PUSH2 0x9FD JUMP JUMPDEST PUSH2 0x722 DUP4 DUP4 DUP4 PUSH1 0x1 PUSH2 0xA6A JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP7 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD PUSH1 0x0 NOT DUP2 LT ISZERO PUSH2 0x48C JUMPI DUP2 DUP2 LT ISZERO PUSH2 0x80B JUMPI PUSH1 0x40 MLOAD PUSH4 0x7DC7A0D9 PUSH1 0xE1 SHL DUP2 MSTORE PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP5 AND PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0x44 DUP2 ADD DUP4 SWAP1 MSTORE PUSH1 0x64 ADD PUSH2 0x501 JUMP JUMPDEST PUSH2 0x48C DUP5 DUP5 DUP5 DUP5 SUB PUSH1 0x0 PUSH2 0xA6A JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 AND PUSH2 0x844 JUMPI PUSH1 0x40 MLOAD PUSH4 0x4B637E8F PUSH1 0xE1 SHL DUP2 MSTORE PUSH1 0x0 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP3 AND PUSH2 0x86E JUMPI PUSH1 0x40 MLOAD PUSH4 0xEC442F05 PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x0 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH2 0x722 DUP4 DUP4 DUP4 PUSH2 0xB3F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD CHAINID PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE ADDRESS DUP3 DUP5 ADD MSTORE PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB SWAP6 SWAP1 SWAP6 AND PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 DUP2 ADD SWAP4 SWAP1 SWAP4 MSTORE PUSH1 0xA0 DUP1 DUP5 ADD SWAP3 SWAP1 SWAP3 MSTORE DUP1 MLOAD DUP1 DUP5 SUB SWAP1 SWAP3 ADD DUP3 MSTORE PUSH1 0xC0 SWAP1 SWAP3 ADD SWAP1 SWAP2 MSTORE DUP1 MLOAD SWAP2 ADD KECCAK256 PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1C SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x3C SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH2 0x902 DUP2 CALLER PUSH2 0xC69 JUMP JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x911 DUP4 DUP4 PUSH2 0x727 JUMP JUMPDEST PUSH2 0x991 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP7 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x949 CALLER SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP3 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP5 PUSH32 0x2F8788117E7EFF1D82E926EC794901D17C78024A50270940304540A733656F0D PUSH1 0x40 MLOAD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP PUSH1 0x1 PUSH2 0x37E JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x9A9 DUP7 DUP7 PUSH2 0xCA2 JUMP JUMPDEST SWAP3 POP SWAP3 POP SWAP3 POP PUSH2 0x9B9 DUP3 DUP3 PUSH2 0xCEF JUMP JUMPDEST POP SWAP1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP3 AND PUSH2 0x9ED JUMPI PUSH1 0x40 MLOAD PUSH4 0xEC442F05 PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x0 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH2 0x9F9 PUSH1 0x0 DUP4 DUP4 PUSH2 0xB3F JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xA09 DUP4 DUP4 PUSH2 0x727 JUMP JUMPDEST ISZERO PUSH2 0x991 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP7 AND DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND SWAP1 SSTORE MLOAD CALLER SWAP3 DUP7 SWAP2 PUSH32 0xF6391F5C32D9C69D2A47EA670B442974B53935D1EDC7FD64EB21E047A839171B SWAP2 SWAP1 LOG4 POP PUSH1 0x1 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP5 AND PUSH2 0xA94 JUMPI PUSH1 0x40 MLOAD PUSH4 0xE602DF05 PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x0 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 AND PUSH2 0xABE JUMPI PUSH1 0x40 MLOAD PUSH4 0x4A1406B1 PUSH1 0xE1 SHL DUP2 MSTORE PUSH1 0x0 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP8 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 DUP3 SWAP1 SSTORE DUP1 ISZERO PUSH2 0x48C JUMPI DUP3 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP5 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 DUP5 PUSH1 0x40 MLOAD PUSH2 0xB31 SWAP2 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP POP POP JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 AND PUSH2 0xB6A JUMPI DUP1 PUSH1 0x2 PUSH1 0x0 DUP3 DUP3 SLOAD PUSH2 0xB5F SWAP2 SWAP1 PUSH2 0x1104 JUMP JUMPDEST SWAP1 SWAP2 SSTORE POP PUSH2 0xBDC SWAP1 POP JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 DUP2 LT ISZERO PUSH2 0xBBD JUMPI PUSH1 0x40 MLOAD PUSH4 0x391434E3 PUSH1 0xE2 SHL DUP2 MSTORE PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP6 AND PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0x44 DUP2 ADD DUP4 SWAP1 MSTORE PUSH1 0x64 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SWAP1 DUP3 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP3 AND PUSH2 0xBF8 JUMPI PUSH1 0x2 DUP1 SLOAD DUP3 SWAP1 SUB SWAP1 SSTORE PUSH2 0xC17 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD DUP3 ADD SWAP1 SSTORE JUMPDEST DUP2 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP4 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP4 PUSH1 0x40 MLOAD PUSH2 0xC5C SWAP2 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP POP JUMP JUMPDEST PUSH2 0xC73 DUP3 DUP3 PUSH2 0x727 JUMP JUMPDEST PUSH2 0x9F9 JUMPI PUSH1 0x40 MLOAD PUSH4 0xE2517D3F PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP3 AND PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 DUP2 ADD DUP4 SWAP1 MSTORE PUSH1 0x44 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP4 MLOAD PUSH1 0x41 SUB PUSH2 0xCDC JUMPI PUSH1 0x20 DUP5 ADD MLOAD PUSH1 0x40 DUP6 ADD MLOAD PUSH1 0x60 DUP7 ADD MLOAD PUSH1 0x0 BYTE PUSH2 0xCCE DUP9 DUP3 DUP6 DUP6 PUSH2 0xDA8 JUMP JUMPDEST SWAP6 POP SWAP6 POP SWAP6 POP POP POP POP PUSH2 0xCE8 JUMP JUMPDEST POP POP DUP2 MLOAD PUSH1 0x0 SWAP2 POP PUSH1 0x2 SWAP1 JUMPDEST SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP3 PUSH1 0x3 DUP2 GT ISZERO PUSH2 0xD03 JUMPI PUSH2 0xD03 PUSH2 0x1125 JUMP JUMPDEST SUB PUSH2 0xD0C JUMPI POP POP JUMP JUMPDEST PUSH1 0x1 DUP3 PUSH1 0x3 DUP2 GT ISZERO PUSH2 0xD20 JUMPI PUSH2 0xD20 PUSH2 0x1125 JUMP JUMPDEST SUB PUSH2 0xD3E JUMPI PUSH1 0x40 MLOAD PUSH4 0xF645EEDF PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x2 DUP3 PUSH1 0x3 DUP2 GT ISZERO PUSH2 0xD52 JUMPI PUSH2 0xD52 PUSH2 0x1125 JUMP JUMPDEST SUB PUSH2 0xD73 JUMPI PUSH1 0x40 MLOAD PUSH4 0xFCE698F7 PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x4 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x3 DUP3 PUSH1 0x3 DUP2 GT ISZERO PUSH2 0xD87 JUMPI PUSH2 0xD87 PUSH2 0x1125 JUMP JUMPDEST SUB PUSH2 0x9F9 JUMPI PUSH1 0x40 MLOAD PUSH4 0x35E2F383 PUSH1 0xE2 SHL DUP2 MSTORE PUSH1 0x4 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0x24 ADD PUSH2 0x501 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH32 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0 DUP5 GT ISZERO PUSH2 0xDE3 JUMPI POP PUSH1 0x0 SWAP2 POP PUSH1 0x3 SWAP1 POP DUP3 PUSH2 0xE6D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP1 DUP5 MSTORE DUP11 SWAP1 MSTORE PUSH1 0xFF DUP10 AND SWAP3 DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x60 DUP2 ADD DUP8 SWAP1 MSTORE PUSH1 0x80 DUP2 ADD DUP7 SWAP1 MSTORE PUSH1 0x1 SWAP1 PUSH1 0xA0 ADD PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 DUP6 GAS STATICCALL ISZERO DUP1 ISZERO PUSH2 0xE37 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH1 0x1F NOT ADD MLOAD SWAP2 POP POP PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP2 AND PUSH2 0xE63 JUMPI POP PUSH1 0x0 SWAP3 POP PUSH1 0x1 SWAP2 POP DUP3 SWAP1 POP PUSH2 0xE6D JUMP JUMPDEST SWAP3 POP PUSH1 0x0 SWAP2 POP DUP2 SWAP1 POP JUMPDEST SWAP5 POP SWAP5 POP SWAP5 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xE89 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH1 0x1 PUSH1 0x1 PUSH1 0xE0 SHL SUB NOT DUP2 AND DUP2 EQ PUSH2 0xEA1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP1 DUP4 MSTORE DUP4 MLOAD DUP1 PUSH1 0x20 DUP6 ADD MSTORE PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0xED6 JUMPI DUP6 DUP2 ADD DUP4 ADD MLOAD DUP6 DUP3 ADD PUSH1 0x40 ADD MSTORE DUP3 ADD PUSH2 0xEBA JUMP JUMPDEST POP PUSH1 0x0 PUSH1 0x40 DUP3 DUP7 ADD ADD MSTORE PUSH1 0x40 PUSH1 0x1F NOT PUSH1 0x1F DUP4 ADD AND DUP6 ADD ADD SWAP3 POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST DUP1 CALLDATALOAD PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP2 AND DUP2 EQ PUSH2 0xF0E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0xF26 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF2F DUP4 PUSH2 0xEF7 JUMP JUMPDEST SWAP5 PUSH1 0x20 SWAP4 SWAP1 SWAP4 ADD CALLDATALOAD SWAP4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0xF52 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF5B DUP5 PUSH2 0xEF7 JUMP JUMPDEST SWAP3 POP PUSH2 0xF69 PUSH1 0x20 DUP6 ADD PUSH2 0xEF7 JUMP JUMPDEST SWAP2 POP PUSH1 0x40 DUP5 ADD CALLDATALOAD SWAP1 POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xF8B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP CALLDATALOAD SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0xFA7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xFB0 DUP5 PUSH2 0xEF7 JUMP JUMPDEST SWAP6 PUSH1 0x20 DUP6 ADD CALLDATALOAD SWAP6 POP PUSH1 0x40 SWAP1 SWAP5 ADD CALLDATALOAD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0xFD8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD SWAP2 POP PUSH2 0xFE8 PUSH1 0x20 DUP5 ADD PUSH2 0xEF7 JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x80 DUP7 DUP9 SUB SLT ISZERO PUSH2 0x1009 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1012 DUP7 PUSH2 0xEF7 JUMP JUMPDEST SWAP5 POP PUSH1 0x20 DUP7 ADD CALLDATALOAD SWAP4 POP PUSH1 0x40 DUP7 ADD CALLDATALOAD SWAP3 POP PUSH1 0x60 DUP7 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x103D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 DUP9 ADD SWAP2 POP DUP9 PUSH1 0x1F DUP4 ADD SLT PUSH2 0x1051 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD DUP2 DUP2 GT ISZERO PUSH2 0x1060 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP10 PUSH1 0x20 DUP3 DUP6 ADD ADD GT ISZERO PUSH2 0x1072 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP7 SWAP10 SWAP6 SWAP9 POP SWAP4 SWAP7 POP PUSH1 0x20 ADD SWAP5 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1097 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xEA1 DUP3 PUSH2 0xEF7 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x10B3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10BC DUP4 PUSH2 0xEF7 JUMP JUMPDEST SWAP2 POP PUSH2 0xFE8 PUSH1 0x20 DUP5 ADD PUSH2 0xEF7 JUMP JUMPDEST PUSH1 0x1 DUP2 DUP2 SHR SWAP1 DUP3 AND DUP1 PUSH2 0x10DE JUMPI PUSH1 0x7F DUP3 AND SWAP2 POP JUMPDEST PUSH1 0x20 DUP3 LT DUP2 SUB PUSH2 0x10FE JUMPI PUSH4 0x4E487B71 PUSH1 0xE0 SHL PUSH1 0x0 MSTORE PUSH1 0x22 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST DUP1 DUP3 ADD DUP1 DUP3 GT ISZERO PUSH2 0x37E JUMPI PUSH4 0x4E487B71 PUSH1 0xE0 SHL PUSH1 0x0 MSTORE PUSH1 0x11 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT JUMPDEST PUSH4 0x4E487B71 PUSH1 0xE0 SHL PUSH1 0x0 MSTORE PUSH1 0x21 PUSH1 0x4 MSTORE PUSH1 0x24 PUSH1 0x0 REVERT INVALID LOG2 PUSH5 0x6970667358 0x22 SLT KECCAK256 0xCC 0xBF CREATE 0xA6 PUSH24 0x379C90C9003BA37FBC7F7E7ECFF7ADECF992224D7BF2788E 0x4C 0xFC 0x4B PUSH5 0x736F6C6343 STOP ADDMOD XOR STOP CALLER 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false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"receiptHash\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"provider\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"units\",\"type\":\"uint256\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"attestor\",\"type\":\"address\"}],\"name\":\"ReceiptConsumed\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"previousAdminRole\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"newAdminRole\",\"type\":\"bytes32\"}],\"name\":\"RoleAdminChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"RoleGranted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"RoleRevoked\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"ATTESTOR_ROLE\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"COORDINATOR_ROLE\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"DEFAULT_ADMIN_ROLE\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"}],\"name\":\"allowance\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"consumedReceipts\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"decimals\",\"outputs\":[{\"internalType\":\"uint8\",\"name\":\"\",\"type\":\"uint8\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"}],\"name\":\"getRoleAdmin\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"grantRole\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"hasRole\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"provider\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"units\",\"type\":\"uint256\"},{\"internalType\":\"bytes32\",\"name\":\"receiptHash\",\"type\":\"bytes32\"}]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caller of a function is not the expected one. NOTE: Don't confuse with {AccessControlUnauthorizedAccount}.\"}],\"AccessControlUnauthorizedAccount(address,bytes32)\":[{\"details\":\"The `account` is missing a role.\"}],\"ECDSAInvalidSignature()\":[{\"details\":\"The signature derives the `address(0)`.\"}],\"ECDSAInvalidSignatureLength(uint256)\":[{\"details\":\"The signature has an invalid length.\"}],\"ECDSAInvalidSignatureS(bytes32)\":[{\"details\":\"The signature has an S value that is in the upper half order.\"}],\"ERC20InsufficientAllowance(address,uint256,uint256)\":[{\"details\":\"Indicates a failure with the `spender`\\u2019s `allowance`. Used in transfers.\",\"params\":{\"allowance\":\"Amount of tokens a `spender` is allowed to operate with.\",\"needed\":\"Minimum amount required to perform a transfer.\",\"spender\":\"Address that may be allowed to operate on tokens without being their owner.\"}}],\"ERC20InsufficientBalance(address,uint256,uint256)\":[{\"details\":\"Indicates an error related to the current `balance` of a `sender`. Used in transfers.\",\"params\":{\"balance\":\"Current balance for the interacting account.\",\"needed\":\"Minimum amount required to perform a transfer.\",\"sender\":\"Address whose tokens are being transferred.\"}}],\"ERC20InvalidApprover(address)\":[{\"details\":\"Indicates a failure with the `approver` of a token to be approved. Used in approvals.\",\"params\":{\"approver\":\"Address initiating an approval operation.\"}}],\"ERC20InvalidReceiver(address)\":[{\"details\":\"Indicates a failure with the token `receiver`. Used in transfers.\",\"params\":{\"receiver\":\"Address to which tokens are being transferred.\"}}],\"ERC20InvalidSender(address)\":[{\"details\":\"Indicates a failure with the token `sender`. Used in transfers.\",\"params\":{\"sender\":\"Address whose tokens are being transferred.\"}}],\"ERC20InvalidSpender(address)\":[{\"details\":\"Indicates a failure with the `spender` to be approved. Used in approvals.\",\"params\":{\"spender\":\"Address that may be allowed to operate on tokens without being their owner.\"}}]},\"events\":{\"Approval(address,address,uint256)\":{\"details\":\"Emitted when the allowance of a `spender` for an `owner` is set by a call to {approve}. `value` is the new allowance.\"},\"RoleAdminChanged(bytes32,bytes32,bytes32)\":{\"details\":\"Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite {RoleAdminChanged} not being emitted to signal this.\"},\"RoleGranted(bytes32,address,address)\":{\"details\":\"Emitted when `account` is granted `role`. `sender` is the account that originated the contract call. This account bears the admin role (for the granted role). Expected in cases where the role was granted using the internal {AccessControl-_grantRole}.\"},\"RoleRevoked(bytes32,address,address)\":{\"details\":\"Emitted when `account` is revoked `role`. `sender` is the account that originated the contract call:   - if using `revokeRole`, it is the admin role bearer   - if using `renounceRole`, it is the role bearer (i.e. `account`)\"},\"Transfer(address,address,uint256)\":{\"details\":\"Emitted when `value` tokens are moved from one account (`from`) to another (`to`). Note that `value` may be zero.\"}},\"kind\":\"dev\",\"methods\":{\"allowance(address,address)\":{\"details\":\"Returns the remaining number of tokens that `spender` will be allowed to spend on behalf of `owner` through {transferFrom}. This is zero by default. This value changes when {approve} or {transferFrom} are called.\"},\"approve(address,uint256)\":{\"details\":\"See {IERC20-approve}. NOTE: If `value` is the maximum `uint256`, the allowance is not updated on `transferFrom`. This is semantically equivalent to an infinite approval. Requirements: - `spender` cannot be the zero address.\"},\"balanceOf(address)\":{\"details\":\"Returns the value of tokens owned by `account`.\"},\"decimals()\":{\"details\":\"Returns the number of decimals used to get its user representation. For example, if `decimals` equals `2`, a balance of `505` tokens should be displayed to a user as `5.05` (`505 / 10 ** 2`). Tokens usually opt for a value of 18, imitating the relationship between Ether and Wei. This is the default value returned by this function, unless it's overridden. NOTE: This information is only used for _display_ purposes: it in no way affects any of the arithmetic of the contract, including {IERC20-balanceOf} and {IERC20-transfer}.\"},\"getRoleAdmin(bytes32)\":{\"details\":\"Returns the admin role that controls `role`. See {grantRole} and {revokeRole}. To change a role's admin, use {_setRoleAdmin}.\"},\"grantRole(bytes32,address)\":{\"details\":\"Grants `role` to `account`. If `account` had not been already granted `role`, emits a {RoleGranted} event. Requirements: - the caller must have ``role``'s admin role. May emit a {RoleGranted} event.\"},\"hasRole(bytes32,address)\":{\"details\":\"Returns `true` if `account` has been granted `role`.\"},\"mintWithReceipt(address,uint256,bytes32,bytes)\":{\"params\":{\"provider\":\"Address of the compute provider receiving minted tokens\",\"receiptHash\":\"Unique hash representing the off-chain receipt\",\"signature\":\"Coordinator-attested signature authorizing the mint\",\"units\":\"Amount of tokens to mint\"}},\"name()\":{\"details\":\"Returns the name of the token.\"},\"renounceRole(bytes32,address)\":{\"details\":\"Revokes `role` from the calling account. Roles are often managed via {grantRole} and {revokeRole}: this function's purpose is to provide a mechanism for accounts to lose their privileges if they are compromised (such as when a trusted device is misplaced). If the calling account had been revoked `role`, emits a {RoleRevoked} event. Requirements: - the caller must be `callerConfirmation`. May emit a {RoleRevoked} event.\"},\"revokeRole(bytes32,address)\":{\"details\":\"Revokes `role` from `account`. If `account` had been granted `role`, emits a {RoleRevoked} event. Requirements: - the caller must have ``role``'s admin role. May emit a {RoleRevoked} event.\"},\"supportsInterface(bytes4)\":{\"details\":\"Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section] to learn more about how these ids are created. This function call must use less than 30 000 gas.\"},\"symbol()\":{\"details\":\"Returns the symbol of the token, usually a shorter version of the name.\"},\"totalSupply()\":{\"details\":\"Returns the value of tokens in existence.\"},\"transfer(address,uint256)\":{\"details\":\"See {IERC20-transfer}. Requirements: - `to` cannot be the zero address. - the caller must have a balance of at least `value`.\"},\"transferFrom(address,address,uint256)\":{\"details\":\"See {IERC20-transferFrom}. Skips emitting an {Approval} event indicating an allowance update. This is not required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve]. NOTE: Does not update the allowance if the current allowance is the maximum `uint256`. Requirements: - `from` and `to` cannot be the zero address. - `from` must have a balance of at least `value`. - the caller must have allowance for ``from``'s tokens of at least `value`.\"}},\"title\":\"AIToken\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"consumedReceipts(bytes32)\":{\"notice\":\"Tracks consumed receipt hashes to prevent replay\"},\"mintDigest(address,uint256,bytes32)\":{\"notice\":\"Helper to compute the signed digest required for minting\"},\"mintWithReceipt(address,uint256,bytes32,bytes)\":{\"notice\":\"Mint tokens for a provider when coordinator submits a valid attested receipt\"}},\"notice\":\"ERC20 token that mints units for providers based on attested compute receipts\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/AIToken.sol\":\"AIToken\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/AccessControl.sol\":{\"keccak256\":\"0x1a6b4f6b7798ab80929d491b89d5427a9b3338c0fd1acd0ba325f69c6f1646af\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7bb7f346c12a14dc622bc105ce3c47202fbc89f4b153a28a63bb68193297330c\",\"dweb:/ipfs/QmagwF8P3bUBXwdo159ueEnY9dLSvEWwK24kk2op58egwG\"]},\"@openzeppelin/contracts/access/IAccessControl.sol\":{\"keccak256\":\"0xbff9f59c84e5337689161ce7641c0ef8e872d6a7536fbc1f5133f128887aba3c\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b308f882e796f7b79c9502deacb0a62983035c6f6f4e962b319ba6a1f4a77d3d\",\"dweb:/ipfs/QmaWCW7ahEQqFjwhSUhV7Ae7WhfNvzSpE7DQ58hvEooqPL\"]},\"@openzeppelin/contracts/interfaces/draft-IERC6093.sol\":{\"keccak256\":\"0x19fdfb0f3b89a230e7dbd1cf416f1a6b531a3ee5db4da483f946320fc74afc0e\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://3490d794728f5bfecb46820431adaff71ba374141545ec20b650bb60353fac23\",\"dweb:/ipfs/QmPsfxjVpMcZbpE7BH93DzTpEaktESigEw4SmDzkXuJ4WR\"]},\"@openzeppelin/contracts/token/ERC20/ERC20.sol\":{\"keccak256\":\"0x86b7b71a6aedefdad89b607378eeab1dcc5389b9ea7d17346d08af01d7190994\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://1dc2db8d94a21eac8efe03adf574c419b08536409b416057a2b5b95cb772c43c\",\"dweb:/ipfs/QmZfqJCKVU1ScuX2A7s8WZdQEaikwJbDH5JBrBdKTUT4Gu\"]},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x74ed01eb66b923d0d0cfe3be84604ac04b76482a55f9dd655e1ef4d367f95bc2\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://5282825a626cfe924e504274b864a652b0023591fa66f06a067b25b51ba9b303\",\"dweb:/ipfs/QmeCfPykghhMc81VJTrHTC7sF6CRvaA1FXVq2pJhwYp1dV\"]},\"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\":{\"keccak256\":\"0xd6fa4088198f04eef10c5bce8a2f4d60554b7ec4b987f684393c01bf79b94d9f\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://f95ee0bbd4dd3ac730d066ba3e785ded4565e890dbec2fa7d3b9fe3bad9d0d6e\",\"dweb:/ipfs/QmSLr6bHkPFWT7ntj34jmwfyskpwo97T9jZUrk5sz3sdtR\"]},\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0x493033a8d1b176a037b2cc6a04dad01a5c157722049bbecf632ca876224dd4b2\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6a708e8a5bdb1011c2c381c9a5cfd8a9a956d7d0a9dc1bd8bcdaf52f76ef2f12\",\"dweb:/ipfs/Qmax9WHBnVsZP46ZxEMNRQpLQnrdE4dK8LehML1Py8FowF\"]},\"@openzeppelin/contracts/utils/Panic.sol\":{\"keccak256\":\"0xf7fe324703a64fc51702311dc51562d5cb1497734f074e4f483bfb6717572d7a\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://c6a5ff4f9fd8649b7ee20800b7fa387d3465bd77cf20c2d1068cd5c98e1ed57a\",\"dweb:/ipfs/QmVSaVJf9FXFhdYEYeCEfjMVHrxDh5qL4CGkxdMWpQCrqG\"]},\"@openzeppelin/contracts/utils/Strings.sol\":{\"keccak256\":\"0xad148d59f05165f9217d0a9e1ac8f772abb02ea6aaad8a756315c532bf79f9f4\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://15e3599867c2182f5831e9268b274b2ef2047825837df6b4d81c9e89254b093e\",\"dweb:/ipfs/QmZbL7XAYr5RmaNaooPgZRmcDXaudfsYQfYD9y5iAECvpS\"]},\"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\":{\"keccak256\":\"0x69f54c02b7d81d505910ec198c11ed4c6a728418a868b906b4a0cf29946fda84\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://8e25e4bdb7ae1f21d23bfee996e22736fc0ab44cfabedac82a757b1edc5623b9\",\"dweb:/ipfs/QmQdWQvB6JCP9ZMbzi8EvQ1PTETqkcTWrbcVurS7DKpa5n\"]},\"@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol\":{\"keccak256\":\"0x26670fef37d4adf55570ba78815eec5f31cb017e708f61886add4fc4da665631\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b16d45febff462bafd8a5669f904796a835baf607df58a8461916d3bf4f08c59\",\"dweb:/ipfs/QmU2eJFpjmT4vxeJWJyLeQb8Xht1kdB8Y6MKLDPFA9WPux\"]},\"@openzeppelin/contracts/utils/introspection/ERC165.sol\":{\"keccak256\":\"0x2d9dc2fe26180f74c11c13663647d38e259e45f95eb88f57b61d2160b0109d3e\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://81233d1f98060113d9922180bb0f14f8335856fe9f339134b09335e9f678c377\",\"dweb:/ipfs/QmWh6R35SarhAn4z2wH8SU456jJSYL2FgucfTFgbHJJN4E\"]},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"keccak256\":\"0x8891738ffe910f0cf2da09566928589bf5d63f4524dd734fd9cedbac3274dd5c\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://971f954442df5c2ef5b5ebf1eb245d7105d9fbacc7386ee5c796df1d45b21617\",\"dweb:/ipfs/QmadRjHbkicwqwwh61raUEapaVEtaLMcYbQZWs9gUkgj3u\"]},\"@openzeppelin/contracts/utils/math/Math.sol\":{\"keccak256\":\"0x1225214420c83ebcca88f2ae2b50f053aaa7df7bd684c3e878d334627f2edfc6\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6c5fab4970634f9ab9a620983dc1c8a30153981a0b1a521666e269d0a11399d3\",\"dweb:/ipfs/QmVRnBC575MESGkEHndjujtR7qub2FzU9RWy9eKLp4hPZB\"]},\"@openzeppelin/contracts/utils/math/SafeCast.sol\":{\"keccak256\":\"0x195533c86d0ef72bcc06456a4f66a9b941f38eb403739b00f21fd7c1abd1ae54\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b1d578337048cad08c1c03041cca5978eff5428aa130c781b271ad9e5566e1f8\",\"dweb:/ipfs/QmPFKL2r9CBsMwmUqqdcFPfHZB2qcs9g1HDrPxzWSxomvy\"]},\"@openzeppelin/contracts/utils/mat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   { }\n    function abi_decode_tuple_t_address_fromMemory(headStart, dataEnd) -> value0\n    {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n        let value := mload(headStart)\n        if iszero(eq(value, and(value, sub(shl(160, 1), 1)))) { revert(0, 0) }\n        value0 := value\n    }\n}","id":18,"language":"Yul","name":"#utility.yul"}],"linkReferences":{},"object":"608060405234801561001057600080fd5b506040516109d13803806109d183398101604081905261002f916100ed565b61003a600082610041565b505061011d565b6000828152602081815260408083206001600160a01b038516845290915281205460ff166100e3576000838152602081815260408083206001600160a01b03861684529091529020805460ff1916600117905561009b3390565b6001600160a01b0316826001600160a01b0316847f2f8788117e7eff1d82e926ec794901d17c78024a50270940304540a733656f0d60405160405180910390a45060016100e7565b5060005b92915050565b6000602082840312156100ff57600080fd5b81516001600160a01b038116811461011657600080fd5b9392505050565b6108a58061012c6000396000f3fe608060405234801561001057600080fd5b50600436106100b45760003560e01c80633ae25916116100715780633ae25916146101915780636b366cb51461020857806391d148541461022f578063a217fddf14610242578063d11905651461024a578063d547741f1461025d57600080fd5b806301ffc9a7146100b95780630787bc27146100e15780631af431a714610125578063248a9ca31461013a5780632f2ff15d1461016b57806336568abe1461017e575b600080fd5b6100cc6100c7366004610754565b610270565b60405190151581526020015b60405180910390f35b61010e6100ef3660046107a1565b6001602081905260009182526040909120805491015460ff9091169082565b6040805192151583526020830191909152016100d8565b6101386101333660046107bc565b6102a7565b005b61015d6101483660046107e6565b60009081526020819052604090206001015490565b6040519081526020016100d8565b6101386101793660046107ff565b6103f5565b61013861018c3660046107ff565b610420565b6101eb61019f3660046107a1565b6040805180820190915260008082526020820152506001600160a01b03166000908152600160208181526040928390208351808501909452805460ff1615158452909101549082015290565b6040805182511515815260209283015192810192909252016100d8565b61015d7f2e8b98eef02e8df3bd27d1270ded3bea3d14db99c5234c7b14001a7fff957bcc81565b6100cc61023d3660046107ff565b610458565b61015d600081565b61013861025836600461082b565b610481565b61013861026b3660046107ff565b6105e8565b60006001600160e01b03198216637965db0b60e01b14806102a157506301ffc9a760e01b6001600160e01b03198316145b92915050565b7f2e8b98eef02e8df3bd27d1270ded3bea3d14db99c5234c7b14001a7fff957bcc6102d18161060d565b6001600160a01b03831661031f5760405162461bcd60e51b815260206004820152601060248201526f34b73b30b634b210383937bb34b232b960811b60448201526064015b60405180910390fd5b6001600160a01b03831660009081526001602052604090205460ff161561037d5760405162461bcd60e51b8152602060048201526012602482015271185b1c9958591e481c9959da5cdd195c995960721b6044820152606401610316565b604080518082018252600180825260208083018681526001600160a01b03881660008181528484528690209451855460ff19169015151785559051939092019290925591518481527f90c9734131c1e4fb36cde2d71e6feb93fb258f71be8a85411c173d25e1516e80910160405180910390a2505050565b6000828152602081905260409020600101546104108161060d565b61041a838361061a565b50505050565b6001600160a01b03811633146104495760405163334bd91960e11b815260040160405180910390fd5b61045382826106ac565b505050565b6000918252602082815260408084206001600160a01b0393909316845291905290205460ff1690565b7f2e8b98eef02e8df3bd27d1270ded3bea3d14db99c5234c7b14001a7fff957bcc6104ab8161060d565b6001600160a01b0384166104f45760405162461bcd60e51b815260206004820152601060248201526f34b73b30b634b210383937bb34b232b960811b6044820152606401610316565b6001600160a01b03841660009081526001602052604090205460ff16806105185750825b6105645760405162461bcd60e51b815260206004820152601760248201527f70726f7669646572206e6f7420726567697374657265640000000000000000006044820152606401610316565b60408051808201825284151580825260208083018681526001600160a01b03891660008181526001808552908790209551865460ff1916901515178655915194909101939093558351918252810185905290917fe226f4be7d881611b5a3ddc83f2e771728014b8012359a29890cd3d670c43dc8910160405180910390a250505050565b6000828152602081905260409020600101546106038161060d565b61041a83836106ac565b6106178133610717565b50565b60006106268383610458565b6106a4576000838152602081815260408083206001600160a01b03861684529091529020805460ff1916600117905561065c3390565b6001600160a01b0316826001600160a01b0316847f2f8788117e7eff1d82e926ec794901d17c78024a50270940304540a733656f0d60405160405180910390a45060016102a1565b5060006102a1565b60006106b88383610458565b156106a4576000838152602081815260408083206001600160a01b0386168085529252808320805460ff1916905551339286917ff6391f5c32d9c69d2a47ea670b442974b53935d1edc7fd64eb21e047a839171b9190a45060016102a1565b6107218282610458565b6107505760405163e2517d3f60e01b81526001600160a01b038216600482015260248101839052604401610316565b5050565b60006020828403121561076657600080fd5b81356001600160e01b03198116811461077e57600080fd5b9392505050565b80356001600160a01b038116811461079c57600080fd5b919050565b6000602082840312156107b357600080fd5b61077e82610785565b600080604083850312156107cf57600080fd5b6107d883610785565b946020939093013593505050565b6000602082840312156107f857600080fd5b5035919050565b6000806040838503121561081257600080fd5b8235915061082260208401610785565b90509250929050565b60008060006060848603121561084057600080fd5b61084984610785565b92506020840135801515811461085e57600080fd5b92959294505050604091909101359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PUSH1 0xFF NOT AND SWAP1 ISZERO ISZERO OR DUP6 SSTORE SWAP1 MLOAD SWAP4 SWAP1 SWAP3 ADD SWAP3 SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP5 DUP2 MSTORE PUSH32 0x90C9734131C1E4FB36CDE2D71E6FEB93FB258F71BE8A85411C173D25E1516E80 SWAP2 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG2 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x1 ADD SLOAD PUSH2 0x410 DUP2 PUSH2 0x60D JUMP JUMPDEST PUSH2 0x41A DUP4 DUP4 PUSH2 0x61A JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP2 AND CALLER EQ PUSH2 0x449 JUMPI PUSH1 0x40 MLOAD PUSH4 0x334BD919 PUSH1 0xE1 SHL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH2 0x453 DUP3 DUP3 PUSH2 0x6AC JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP3 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB SWAP4 SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 SLOAD 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   { }\n    function abi_decode_tuple_t_bytes4(headStart, dataEnd) -> value0\n    {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n        let value := calldataload(headStart)\n        if iszero(eq(value, and(value, shl(224, 0xffffffff)))) { revert(0, 0) }\n        value0 := value\n    }\n    function abi_encode_tuple_t_bool__to_t_bool__fromStack_reversed(headStart, value0) -> tail\n    {\n        tail := add(headStart, 32)\n        mstore(headStart, iszero(iszero(value0)))\n    }\n    function abi_decode_address(offset) -> value\n    {\n        value := calldataload(offset)\n        if iszero(eq(value, and(value, sub(shl(160, 1), 1)))) { revert(0, 0) }\n    }\n    function abi_decode_tuple_t_address(headStart, dataEnd) -> value0\n    {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n        value0 := abi_decode_address(headStart)\n    }\n    function abi_encode_tuple_t_bool_t_uint256__to_t_bool_t_uint256__fromStack_reversed(headStart, value1, value0) -> tail\n    {\n        tail := add(headStart, 64)\n        mstore(headStart, iszero(iszero(value0)))\n        mstore(add(headStart, 32), value1)\n    }\n    function abi_decode_tuple_t_addresst_uint256(headStart, dataEnd) -> value0, value1\n    {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n        value0 := abi_decode_address(headStart)\n        value1 := calldataload(add(headStart, 32))\n    }\n    function abi_decode_tuple_t_bytes32(headStart, dataEnd) -> value0\n    {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n        value0 := calldataload(headStart)\n    }\n    function abi_encode_tuple_t_bytes32__to_t_bytes32__fromStack_reversed(headStart, value0) -> tail\n    {\n        tail := add(headStart, 32)\n        mstore(headStart, value0)\n    }\n    function abi_decode_tuple_t_bytes32t_address(headStart, dataEnd) -> value0, value1\n    {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n        value0 := calldataload(headStart)\n        value1 := abi_decode_address(add(headStart, 32))\n    }\n    function abi_encode_tuple_t_struct$_ProviderInfo_$6832_memory_ptr__to_t_struct$_ProviderInfo_$6832_memory_ptr__fromStack_reversed(headStart, value0) -> tail\n    {\n        tail := add(headStart, 64)\n        mstore(headStart, iszero(iszero(mload(value0))))\n        mstore(add(headStart, 0x20), mload(add(value0, 0x20)))\n    }\n    function abi_decode_tuple_t_addresst_boolt_uint256(headStart, dataEnd) -> value0, value1, value2\n    {\n        if slt(sub(dataEnd, headStart), 96) { revert(0, 0) }\n        value0 := abi_decode_address(headStart)\n        let value := calldataload(add(headStart, 32))\n        if iszero(eq(value, iszero(iszero(value)))) { revert(0, 0) }\n        value1 := value\n        value2 := calldataload(add(headStart, 64))\n    }\n    function abi_encode_tuple_t_stringliteral_b031889738a77e524ca32687c1262f71f19b134ef21ff12a7e22fc3c48051046__to_t_string_memory_ptr__fromStack_reversed(headStart) -> tail\n    {\n        mstore(headStart, 32)\n        mstore(add(headStart, 32), 16)\n        mstore(add(headStart, 64), \"invalid provider\")\n        tail := add(headStart, 96)\n    }\n    function abi_encode_tuple_t_stringliteral_269c06100417d6799f278320f8bfa70884ed5db37cbbb03507b2629ec69f83d0__to_t_string_memory_ptr__fromStack_reversed(headStart) -> tail\n    {\n        mstore(headStart, 32)\n        mstore(add(headStart, 32), 18)\n        mstore(add(headStart, 64), \"already registered\")\n        tail := add(headStart, 96)\n    }\n    function abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed(headStart, value0) -> tail\n    {\n        tail := add(headStart, 32)\n        mstore(headStart, value0)\n    }\n    function abi_encode_tuple_t_stringliteral_e143b88e92bd2246064657188c9e074c5d06818368b800ac48075028f680939c__to_t_string_memory_ptr__fromStack_reversed(headStart) -> tail\n    {\n        mstore(headStart, 32)\n        mstore(add(headStart, 32), 23)\n        mstore(add(headStart, 64), \"provider not registered\")\n        tail := add(headStart, 96)\n    }\n    function abi_encode_tuple_t_address_t_bytes32__to_t_address_t_bytes32__fromStack_reversed(headStart, value1, value0) -> tail\n    {\n        tail := add(headStart, 64)\n        mstore(headStart, and(value0, sub(shl(160, 1), 1)))\n        mstore(add(headStart, 32), value1)\n    }\n}","id":18,"language":"Yul","name":"#utility.yul"}],"immutableReferences":{},"linkReferences":{},"object":"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","opcodes":"PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x4 CALLDATASIZE LT PUSH2 0xB4 JUMPI PUSH1 0x0 CALLDATALOAD PUSH1 0xE0 SHR DUP1 PUSH4 0x3AE25916 GT PUSH2 0x71 JUMPI DUP1 PUSH4 0x3AE25916 EQ PUSH2 0x191 JUMPI DUP1 PUSH4 0x6B366CB5 EQ PUSH2 0x208 JUMPI DUP1 PUSH4 0x91D14854 EQ PUSH2 0x22F JUMPI DUP1 PUSH4 0xA217FDDF EQ PUSH2 0x242 JUMPI DUP1 PUSH4 0xD1190565 EQ PUSH2 0x24A JUMPI DUP1 PUSH4 0xD547741F EQ PUSH2 0x25D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP1 PUSH4 0x1FFC9A7 EQ PUSH2 0xB9 JUMPI DUP1 PUSH4 0x787BC27 EQ PUSH2 0xE1 JUMPI DUP1 PUSH4 0x1AF431A7 EQ PUSH2 0x125 JUMPI DUP1 PUSH4 0x248A9CA3 EQ PUSH2 0x13A JUMPI DUP1 PUSH4 0x2F2FF15D EQ PUSH2 0x16B JUMPI DUP1 PUSH4 0x36568ABE EQ PUSH2 0x17E JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xCC PUSH2 0xC7 CALLDATASIZE PUSH1 0x4 PUSH2 0x754 JUMP JUMPDEST PUSH2 0x270 JUMP JUMPDEST PUSH1 0x40 MLOAD SWAP1 ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x10E PUSH2 0xEF CALLDATASIZE PUSH1 0x4 PUSH2 0x7A1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x40 SWAP1 SWAP2 KECCAK256 DUP1 SLOAD SWAP2 ADD SLOAD PUSH1 0xFF SWAP1 SWAP2 AND SWAP1 DUP3 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP3 ISZERO ISZERO DUP4 MSTORE PUSH1 0x20 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE ADD PUSH2 0xD8 JUMP JUMPDEST PUSH2 0x138 PUSH2 0x133 CALLDATASIZE PUSH1 0x4 PUSH2 0x7BC JUMP JUMPDEST PUSH2 0x2A7 JUMP JUMPDEST STOP JUMPDEST PUSH2 0x15D PUSH2 0x148 CALLDATASIZE PUSH1 0x4 PUSH2 0x7E6 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x1 ADD SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0xD8 JUMP JUMPDEST PUSH2 0x138 PUSH2 0x179 CALLDATASIZE PUSH1 0x4 PUSH2 0x7FF JUMP JUMPDEST PUSH2 0x3F5 JUMP JUMPDEST PUSH2 0x138 PUSH2 0x18C CALLDATASIZE PUSH1 0x4 PUSH2 0x7FF JUMP JUMPDEST PUSH2 0x420 JUMP JUMPDEST PUSH2 0x1EB PUSH2 0x19F CALLDATASIZE PUSH1 0x4 PUSH2 0x7A1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD MSTORE POP PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP3 DUP4 SWAP1 KECCAK256 DUP4 MLOAD DUP1 DUP6 ADD SWAP1 SWAP5 MSTORE DUP1 SLOAD PUSH1 0xFF AND ISZERO ISZERO DUP5 MSTORE SWAP1 SWAP2 ADD SLOAD SWAP1 DUP3 ADD MSTORE SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP3 MLOAD ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD MLOAD SWAP3 DUP2 ADD SWAP3 SWAP1 SWAP3 MSTORE ADD PUSH2 0xD8 JUMP JUMPDEST PUSH2 0x15D PUSH32 0x2E8B98EEF02E8DF3BD27D1270DED3BEA3D14DB99C5234C7B14001A7FFF957BCC DUP2 JUMP JUMPDEST PUSH2 0xCC PUSH2 0x23D CALLDATASIZE PUSH1 0x4 PUSH2 0x7FF JUMP JUMPDEST PUSH2 0x458 JUMP JUMPDEST PUSH2 0x15D PUSH1 0x0 DUP2 JUMP JUMPDEST PUSH2 0x138 PUSH2 0x258 CALLDATASIZE PUSH1 0x4 PUSH2 0x82B JUMP JUMPDEST PUSH2 0x481 JUMP JUMPDEST PUSH2 0x138 PUSH2 0x26B CALLDATASIZE PUSH1 0x4 PUSH2 0x7FF JUMP JUMPDEST PUSH2 0x5E8 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x1 PUSH1 0xE0 SHL SUB NOT DUP3 AND PUSH4 0x7965DB0B PUSH1 0xE0 SHL EQ DUP1 PUSH2 0x2A1 JUMPI POP PUSH4 0x1FFC9A7 PUSH1 0xE0 SHL PUSH1 0x1 PUSH1 0x1 PUSH1 0xE0 SHL SUB NOT DUP4 AND EQ JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH32 0x2E8B98EEF02E8DF3BD27D1270DED3BEA3D14DB99C5234C7B14001A7FFF957BCC PUSH2 0x2D1 DUP2 PUSH2 0x60D JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 AND PUSH2 0x31F JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH16 0x34B73B30B634B210383937BB34B232B9 PUSH1 0x81 SHL PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x37D JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x12 PUSH1 0x24 DUP3 ADD MSTORE PUSH18 0x185B1C9958591E481C9959DA5CDD195C9959 PUSH1 0x72 SHL PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD PUSH2 0x316 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD DUP3 MSTORE PUSH1 0x1 DUP1 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP9 AND PUSH1 0x0 DUP2 DUP2 MSTORE DUP5 DUP5 MSTORE DUP7 SWAP1 KECCAK256 SWAP5 MLOAD DUP6 SLOAD PUSH1 0xFF NOT AND SWAP1 ISZERO ISZERO OR DUP6 SSTORE SWAP1 MLOAD SWAP4 SWAP1 SWAP3 ADD SWAP3 SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP5 DUP2 MSTORE PUSH32 0x90C9734131C1E4FB36CDE2D71E6FEB93FB258F71BE8A85411C173D25E1516E80 SWAP2 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG2 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x1 ADD SLOAD PUSH2 0x410 DUP2 PUSH2 0x60D JUMP JUMPDEST PUSH2 0x41A DUP4 DUP4 PUSH2 0x61A JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP2 AND CALLER EQ PUSH2 0x449 JUMPI PUSH1 0x40 MLOAD PUSH4 0x334BD919 PUSH1 0xE1 SHL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH2 0x453 DUP3 DUP3 PUSH2 0x6AC JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP3 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB SWAP4 SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH32 0x2E8B98EEF02E8DF3BD27D1270DED3BEA3D14DB99C5234C7B14001A7FFF957BCC PUSH2 0x4AB DUP2 PUSH2 0x60D JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP5 AND PUSH2 0x4F4 JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH16 0x34B73B30B634B210383937BB34B232B9 PUSH1 0x81 SHL PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD PUSH2 0x316 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP1 PUSH2 0x518 JUMPI POP DUP3 JUMPDEST PUSH2 0x564 JUMPI PUSH1 0x40 MLOAD PUSH3 0x461BCD PUSH1 0xE5 SHL DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x70726F7669646572206E6F742072656769737465726564000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE PUSH1 0x64 ADD PUSH2 0x316 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD DUP3 MSTORE DUP5 ISZERO ISZERO DUP1 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP10 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 DUP1 DUP6 MSTORE SWAP1 DUP8 SWAP1 KECCAK256 SWAP6 MLOAD DUP7 SLOAD PUSH1 0xFF NOT AND SWAP1 ISZERO ISZERO OR DUP7 SSTORE SWAP2 MLOAD SWAP5 SWAP1 SWAP2 ADD SWAP4 SWAP1 SWAP4 SSTORE DUP4 MLOAD SWAP2 DUP3 MSTORE DUP2 ADD DUP6 SWAP1 MSTORE SWAP1 SWAP2 PUSH32 0xE226F4BE7D881611B5A3DDC83F2E771728014B8012359A29890CD3D670C43DC8 SWAP2 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG2 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x1 ADD SLOAD PUSH2 0x603 DUP2 PUSH2 0x60D JUMP JUMPDEST PUSH2 0x41A DUP4 DUP4 PUSH2 0x6AC JUMP JUMPDEST PUSH2 0x617 DUP2 CALLER PUSH2 0x717 JUMP JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x626 DUP4 DUP4 PUSH2 0x458 JUMP JUMPDEST PUSH2 0x6A4 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP7 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x65C CALLER SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP3 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB AND DUP5 PUSH32 0x2F8788117E7EFF1D82E926EC794901D17C78024A50270940304540A733656F0D PUSH1 0x40 MLOAD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP PUSH1 0x1 PUSH2 0x2A1 JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x2A1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x6B8 DUP4 DUP4 PUSH2 0x458 JUMP JUMPDEST ISZERO PUSH2 0x6A4 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP7 AND DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND SWAP1 SSTORE MLOAD CALLER SWAP3 DUP7 SWAP2 PUSH32 0xF6391F5C32D9C69D2A47EA670B442974B53935D1EDC7FD64EB21E047A839171B SWAP2 SWAP1 LOG4 POP PUSH1 0x1 PUSH2 0x2A1 JUMP JUMPDEST PUSH2 0x721 DUP3 DUP3 PUSH2 0x458 JUMP JUMPDEST PUSH2 0x750 JUMPI PUSH1 0x40 MLOAD PUSH4 0xE2517D3F PUSH1 0xE0 SHL DUP2 MSTORE PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP3 AND PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x24 DUP2 ADD DUP4 SWAP1 MSTORE PUSH1 0x44 ADD PUSH2 0x316 JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x766 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH1 0x1 PUSH1 0x1 PUSH1 0xE0 SHL SUB NOT DUP2 AND DUP2 EQ PUSH2 0x77E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP1 CALLDATALOAD PUSH1 0x1 PUSH1 0x1 PUSH1 0xA0 SHL SUB DUP2 AND DUP2 EQ PUSH2 0x79C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x7B3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x77E DUP3 PUSH2 0x785 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x7CF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x7D8 DUP4 PUSH2 0x785 JUMP JUMPDEST SWAP5 PUSH1 0x20 SWAP4 SWAP1 SWAP4 ADD CALLDATALOAD SWAP4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x7F8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP CALLDATALOAD SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x812 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD SWAP2 POP PUSH2 0x822 PUSH1 0x20 DUP5 ADD PUSH2 0x785 JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x840 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x849 DUP5 PUSH2 0x785 JUMP JUMPDEST SWAP3 POP PUSH1 0x20 DUP5 ADD CALLDATALOAD DUP1 ISZERO ISZERO DUP2 EQ PUSH2 0x85E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 SWAP6 SWAP3 SWAP5 POP POP POP PUSH1 0x40 SWAP2 SWAP1 SWAP2 ADD CALLDATALOAD SWAP1 JUMP INVALID LOG2 PUSH5 0x6970667358 0x22 SLT KECCAK256 0xDC RETURN PUSH23 0xF102B1BC83CED9D7AF3D5EB71077444D1080DA7A114DD7 INVALID 0x4B SELFDESTRUCT EXP 0xD2 DUP7 PUSH5 0x736F6C6343 STOP ADDMOD XOR STOP CALLER 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180:18:o;1755:254::-;1823:6;1831;1884:2;1872:9;1863:7;1859:23;1855:32;1852:52;;;1900:1;1897;1890:12;1852:52;1936:9;1923:23;1913:33;;1965:38;1999:2;1988:9;1984:18;1965:38;:::i;:::-;1955:48;;1755:254;;;;;:::o;2342:415::-;2416:6;2424;2432;2485:2;2473:9;2464:7;2460:23;2456:32;2453:52;;;2501:1;2498;2491:12;2453:52;2524:29;2543:9;2524:29;:::i;:::-;2514:39;;2603:2;2592:9;2588:18;2575:32;2650:5;2643:13;2636:21;2629:5;2626:32;2616:60;;2672:1;2669;2662:12;2616:60;2342:415;;2695:5;;-1:-1:-1;;;2747:2:18;2732:18;;;;2719:32;;2342:415::o"},"methodIdentifiers":{"COORDINATOR_ROLE()":"6b366cb5","DEFAULT_ADMIN_ROLE()":"a217fddf","getRoleAdmin(bytes32)":"248a9ca3","grantRole(bytes32,address)":"2f2ff15d","hasRole(bytes32,address)":"91d14854","providerInfo(address)":"3ae25916","providers(address)":"0787bc27","registerProvider(address,uint256)":"1af431a7","renounceRole(bytes32,address)":"36568abe","revokeRole(bytes32,address)":"d547741f","supportsInterface(bytes4)":"01ffc9a7","updateProvider(address,bool,uint256)":"d1190565"}},"metadata":"{\"compiler\":{\"version\":\"0.8.24+commit.e11b9ed9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"admin\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"inputs\":[],\"name\":\"AccessControlBadConfirmation\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"internalType\":\"bytes32\",\"name\":\"neededRole\",\"type\":\"bytes32\"}],\"name\":\"AccessControlUnauthorizedAccount\",\"type\":\"error\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"provider\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"collateral\",\"type\":\"uint256\"}],\"name\":\"ProviderRegistered\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"provider\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"bool\",\"name\":\"active\",\"type\":\"bool\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"collateral\",\"type\":\"uint256\"}],\"name\":\"ProviderUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"previousAdminRole\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"newAdminRole\",\"type\":\"bytes32\"}],\"name\":\"RoleAdminChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"RoleGranted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"RoleRevoked\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"COORDINATOR_ROLE\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"DEFAULT_ADMIN_ROLE\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"}],\"name\":\"getRoleAdmin\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"grantRole\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"hasRole\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"provider\",\"type\":\"address\"}],\"name\":\"providerInfo\",\"outputs\":[{\"components\":[{\"internalType\":\"bool\",\"name\":\"active\",\"type\":\"bool\"},{\"internalType\":\"uint256\",\"name\":\"collateral\",\"type\":\"uint256\"}],\"internalType\":\"struct AITokenRegistry.ProviderInfo\",\"name\":\"\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"providers\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"active\",\"type\":\"bool\"},{\"internalType\":\"uint256\",\"name\":\"collateral\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"provider\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"collateral\",\"type\":\"uint256\"}],\"name\":\"registerProvider\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"callerConfirmation\",\"type\":\"address\"}],\"name\":\"renounceRole\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"revokeRole\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"provider\",\"type\":\"address\"},{\"internalType\":\"bool\",\"name\":\"active\",\"type\":\"bool\"},{\"internalType\":\"uint256\",\"name\":\"collateral\",\"type\":\"uint256\"}],\"name\":\"updateProvider\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"errors\":{\"AccessControlBadConfirmation()\":[{\"details\":\"The caller of a function is not the expected one. NOTE: Don't confuse with {AccessControlUnauthorizedAccount}.\"}],\"AccessControlUnauthorizedAccount(address,bytes32)\":[{\"details\":\"The `account` is missing a role.\"}]},\"events\":{\"RoleAdminChanged(bytes32,bytes32,bytes32)\":{\"details\":\"Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite {RoleAdminChanged} not being emitted to signal this.\"},\"RoleGranted(bytes32,address,address)\":{\"details\":\"Emitted when `account` is granted `role`. `sender` is the account that originated the contract call. This account bears the admin role (for the granted role). Expected in cases where the role was granted using the internal {AccessControl-_grantRole}.\"},\"RoleRevoked(bytes32,address,address)\":{\"details\":\"Emitted when `account` is revoked `role`. `sender` is the account that originated the contract call:   - if using `revokeRole`, it is the admin role bearer   - if using `renounceRole`, it is the role bearer (i.e. `account`)\"}},\"kind\":\"dev\",\"methods\":{\"getRoleAdmin(bytes32)\":{\"details\":\"Returns the admin role that controls `role`. See {grantRole} and {revokeRole}. To change a role's admin, use {_setRoleAdmin}.\"},\"grantRole(bytes32,address)\":{\"details\":\"Grants `role` to `account`. If `account` had not been already granted `role`, emits a {RoleGranted} event. Requirements: - the caller must have ``role``'s admin role. May emit a {RoleGranted} event.\"},\"hasRole(bytes32,address)\":{\"details\":\"Returns `true` if `account` has been granted `role`.\"},\"renounceRole(bytes32,address)\":{\"details\":\"Revokes `role` from the calling account. Roles are often managed via {grantRole} and {revokeRole}: this function's purpose is to provide a mechanism for accounts to lose their privileges if they are compromised (such as when a trusted device is misplaced). If the calling account had been revoked `role`, emits a {RoleRevoked} event. Requirements: - the caller must be `callerConfirmation`. May emit a {RoleRevoked} event.\"},\"revokeRole(bytes32,address)\":{\"details\":\"Revokes `role` from `account`. If `account` had been granted `role`, emits a {RoleRevoked} event. Requirements: - the caller must have ``role``'s admin role. May emit a {RoleRevoked} event.\"},\"supportsInterface(bytes4)\":{\"details\":\"Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section] to learn more about how these ids are created. This function call must use less than 30 000 gas.\"}},\"title\":\"AITokenRegistry\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"notice\":\"Tracks permitted providers and staking requirements for AIToken minting\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/AITokenRegistry.sol\":\"AITokenRegistry\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/AccessControl.sol\":{\"keccak256\":\"0x1a6b4f6b7798ab80929d491b89d5427a9b3338c0fd1acd0ba325f69c6f1646af\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7bb7f346c12a14dc622bc105ce3c47202fbc89f4b153a28a63bb68193297330c\",\"dweb:/ipfs/QmagwF8P3bUBXwdo159ueEnY9dLSvEWwK24kk2op58egwG\"]},\"@openzeppelin/contracts/access/IAccessControl.sol\":{\"keccak256\":\"0xbff9f59c84e5337689161ce7641c0ef8e872d6a7536fbc1f5133f128887aba3c\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b308f882e796f7b79c9502deacb0a62983035c6f6f4e962b319ba6a1f4a77d3d\",\"dweb:/ipfs/QmaWCW7ahEQqFjwhSUhV7Ae7WhfNvzSpE7DQ58hvEooqPL\"]},\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0x493033a8d1b176a037b2cc6a04dad01a5c157722049bbecf632ca876224dd4b2\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6a708e8a5bdb1011c2c381c9a5cfd8a9a956d7d0a9dc1bd8bcdaf52f76ef2f12\",\"dweb:/ipfs/Qmax9WHBnVsZP46ZxEMNRQpLQnrdE4dK8LehML1Py8FowF\"]},\"@openzeppelin/contracts/utils/introspection/ERC165.sol\":{\"keccak256\":\"0x2d9dc2fe26180f74c11c13663647d38e259e45f95eb88f57b61d2160b0109d3e\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://81233d1f98060113d9922180bb0f14f8335856fe9f339134b09335e9f678c377\",\"dweb:/ipfs/QmWh6R35SarhAn4z2wH8SU456jJSYL2FgucfTFgbHJJN4E\"]},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"keccak256\":\"0x8891738ffe910f0cf2da09566928589bf5d63f4524dd734fd9cedbac3274dd5c\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://971f954442df5c2ef5b5ebf1eb245d7105d9fbacc7386ee5c796df1d45b21617\",\"dweb:/ipfs/QmadRjHbkicwqwwh61raUEapaVEtaLMcYbQZWs9gUkgj3u\"]},\"contracts/AITokenRegistry.sol\":{\"keccak256\":\"0x13050e8af8b58571f4bfbdfb4bfc1ebb31a0ae744e13eee9eaf7b8e59939e70a\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://248bbc11101091686552b2bb24cb93070f75748a5d1a8c38d720528600eecd04\",\"dweb:/ipfs/QmUBYmyzdeJs48tth22G8EyPV9nQpkztjCQNFu9votVWmQ\"]}},\"version\":1}"}}}}}
\ No newline at end of file
diff --git a/packages/solidity/aitbc-token/artifacts/contracts/AIToken.sol/AIToken.dbg.json b/packages/solidity/aitbc-token/artifacts/contracts/AIToken.sol/AIToken.dbg.json
new file mode 100644
index 0000000..c6d8102
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/contracts/AIToken.sol/AIToken.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/contracts/AIToken.sol/AIToken.json b/packages/solidity/aitbc-token/artifacts/contracts/AIToken.sol/AIToken.json
new file mode 100644
index 0000000..5d90876
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/contracts/AIToken.sol/AIToken.json
@@ -0,0 +1,715 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "AIToken",
+  "sourceName": "contracts/AIToken.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "admin",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "inputs": [],
+      "name": "AccessControlBadConfirmation",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "neededRole",
+          "type": "bytes32"
+        }
+      ],
+      "name": "AccessControlUnauthorizedAccount",
+      "type": "error"
+    },
+    {
+      "inputs": [],
+      "name": "ECDSAInvalidSignature",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "length",
+          "type": "uint256"
+        }
+      ],
+      "name": "ECDSAInvalidSignatureLength",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "s",
+          "type": "bytes32"
+        }
+      ],
+      "name": "ECDSAInvalidSignatureS",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "allowance",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "needed",
+          "type": "uint256"
+        }
+      ],
+      "name": "ERC20InsufficientAllowance",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "balance",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "needed",
+          "type": "uint256"
+        }
+      ],
+      "name": "ERC20InsufficientBalance",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "approver",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidApprover",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "receiver",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidReceiver",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidSender",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        }
+      ],
+      "name": "ERC20InvalidSpender",
+      "type": "error"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "Approval",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "receiptHash",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "provider",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "units",
+          "type": "uint256"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "attestor",
+          "type": "address"
+        }
+      ],
+      "name": "ReceiptConsumed",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "previousAdminRole",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "newAdminRole",
+          "type": "bytes32"
+        }
+      ],
+      "name": "RoleAdminChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "RoleGranted",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "RoleRevoked",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "Transfer",
+      "type": "event"
+    },
+    {
+      "inputs": [],
+      "name": "ATTESTOR_ROLE",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "COORDINATOR_ROLE",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "DEFAULT_ADMIN_ROLE",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        }
+      ],
+      "name": "allowance",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "approve",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "balanceOf",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "name": "consumedReceipts",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "decimals",
+      "outputs": [
+        {
+          "internalType": "uint8",
+          "name": "",
+          "type": "uint8"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        }
+      ],
+      "name": "getRoleAdmin",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "grantRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "hasRole",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "provider",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "units",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "receiptHash",
+          "type": "bytes32"
+        }
+      ],
+      "name": "mintDigest",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "provider",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "units",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "receiptHash",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes",
+          "name": "signature",
+          "type": "bytes"
+        }
+      ],
+      "name": "mintWithReceipt",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "name",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "callerConfirmation",
+          "type": "address"
+        }
+      ],
+      "name": "renounceRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "revokeRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes4",
+          "name": "interfaceId",
+          "type": "bytes4"
+        }
+      ],
+      "name": "supportsInterface",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "symbol",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "totalSupply",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "transfer",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "transferFrom",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
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+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/packages/solidity/aitbc-token/artifacts/contracts/AITokenRegistry.sol/AITokenRegistry.dbg.json b/packages/solidity/aitbc-token/artifacts/contracts/AITokenRegistry.sol/AITokenRegistry.dbg.json
new file mode 100644
index 0000000..c6d8102
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/contracts/AITokenRegistry.sol/AITokenRegistry.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../build-info/294516b4613c993159fa474ac6e49583.json"
+}
diff --git a/packages/solidity/aitbc-token/artifacts/contracts/AITokenRegistry.sol/AITokenRegistry.json b/packages/solidity/aitbc-token/artifacts/contracts/AITokenRegistry.sol/AITokenRegistry.json
new file mode 100644
index 0000000..702a8e7
--- /dev/null
+++ b/packages/solidity/aitbc-token/artifacts/contracts/AITokenRegistry.sol/AITokenRegistry.json
@@ -0,0 +1,400 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "AITokenRegistry",
+  "sourceName": "contracts/AITokenRegistry.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "admin",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "inputs": [],
+      "name": "AccessControlBadConfirmation",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "neededRole",
+          "type": "bytes32"
+        }
+      ],
+      "name": "AccessControlUnauthorizedAccount",
+      "type": "error"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "provider",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "collateral",
+          "type": "uint256"
+        }
+      ],
+      "name": "ProviderRegistered",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "provider",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "bool",
+          "name": "active",
+          "type": "bool"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "collateral",
+          "type": "uint256"
+        }
+      ],
+      "name": "ProviderUpdated",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "previousAdminRole",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "newAdminRole",
+          "type": "bytes32"
+        }
+      ],
+      "name": "RoleAdminChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "RoleGranted",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "sender",
+          "type": "address"
+        }
+      ],
+      "name": "RoleRevoked",
+      "type": "event"
+    },
+    {
+      "inputs": [],
+      "name": "COORDINATOR_ROLE",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "DEFAULT_ADMIN_ROLE",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        }
+      ],
+      "name": "getRoleAdmin",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "grantRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "hasRole",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "provider",
+          "type": "address"
+        }
+      ],
+      "name": "providerInfo",
+      "outputs": [
+        {
+          "components": [
+            {
+              "internalType": "bool",
+              "name": "active",
+              "type": "bool"
+            },
+            {
+              "internalType": "uint256",
+              "name": "collateral",
+              "type": "uint256"
+            }
+          ],
+          "internalType": "struct AITokenRegistry.ProviderInfo",
+          "name": "",
+          "type": "tuple"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "name": "providers",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "active",
+          "type": "bool"
+        },
+        {
+          "internalType": "uint256",
+          "name": "collateral",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "provider",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "collateral",
+          "type": "uint256"
+        }
+      ],
+      "name": "registerProvider",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "callerConfirmation",
+          "type": "address"
+        }
+      ],
+      "name": "renounceRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "role",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "revokeRole",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes4",
+          "name": "interfaceId",
+          "type": "bytes4"
+        }
+      ],
+      "name": "supportsInterface",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "provider",
+          "type": "address"
+        },
+        {
+          "internalType": "bool",
+          "name": "active",
+          "type": "bool"
+        },
+        {
+          "internalType": "uint256",
+          "name": "collateral",
+          "type": "uint256"
+        }
+      ],
+      "name": "updateProvider",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
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diff --git a/packages/solidity/aitbc-token/cache/solidity-files-cache.json b/packages/solidity/aitbc-token/cache/solidity-files-cache.json
new file mode 100644
index 0000000..900ecb1
--- /dev/null
+++ b/packages/solidity/aitbc-token/cache/solidity-files-cache.json
@@ -0,0 +1,686 @@
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+              "*": [
+                "abi",
+                "evm.bytecode",
+                "evm.deployedBytecode",
+                "evm.methodIdentifiers",
+                "metadata"
+              ],
+              "": [
+                "ast"
+              ]
+            }
+          }
+        }
+      },
+      "imports": [],
+      "versionPragmas": [
+        ">=0.4.16"
+      ],
+      "artifacts": [
+        "IERC165"
+      ]
+    },
+    "/home/oib/windsurf/aitbc/packages/solidity/aitbc-token/node_modules/@openzeppelin/contracts/interfaces/draft-IERC6093.sol": {
+      "lastModificationDate": 1758948616491,
+      "contentHash": "5041977bbe908de2e6ed0270447f79ad",
+      "sourceName": "@openzeppelin/contracts/interfaces/draft-IERC6093.sol",
+      "solcConfig": {
+        "version": "0.8.24",
+        "settings": {
+          "optimizer": {
+            "enabled": true,
+            "runs": 200
+          },
+          "evmVersion": "paris",
+          "outputSelection": {
+            "*": {
+              "*": [
+                "abi",
+                "evm.bytecode",
+                "evm.deployedBytecode",
+                "evm.methodIdentifiers",
+                "metadata"
+              ],
+              "": [
+                "ast"
+              ]
+            }
+          }
+        }
+      },
+      "imports": [],
+      "versionPragmas": [
+        ">=0.8.4"
+      ],
+      "artifacts": [
+        "IERC1155Errors",
+        "IERC20Errors",
+        "IERC721Errors"
+      ]
+    },
+    "/home/oib/windsurf/aitbc/packages/solidity/aitbc-token/node_modules/@openzeppelin/contracts/token/ERC20/IERC20.sol": {
+      "lastModificationDate": 1758948616579,
+      "contentHash": "9261adf6457863de3e9892f51317ec89",
+      "sourceName": "@openzeppelin/contracts/token/ERC20/IERC20.sol",
+      "solcConfig": {
+        "version": "0.8.24",
+        "settings": {
+          "optimizer": {
+            "enabled": true,
+            "runs": 200
+          },
+          "evmVersion": "paris",
+          "outputSelection": {
+            "*": {
+              "*": [
+                "abi",
+                "evm.bytecode",
+                "evm.deployedBytecode",
+                "evm.methodIdentifiers",
+                "metadata"
+              ],
+              "": [
+                "ast"
+              ]
+            }
+          }
+        }
+      },
+      "imports": [],
+      "versionPragmas": [
+        ">=0.4.16"
+      ],
+      "artifacts": [
+        "IERC20"
+      ]
+    },
+    "/home/oib/windsurf/aitbc/packages/solidity/aitbc-token/node_modules/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
+      "lastModificationDate": 1758948616579,
+      "contentHash": "513778b30d2750f5d2b9b19bbcf748a5",
+      "sourceName": "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol",
+      "solcConfig": {
+        "version": "0.8.24",
+        "settings": {
+          "optimizer": {
+            "enabled": true,
+            "runs": 200
+          },
+          "evmVersion": "paris",
+          "outputSelection": {
+            "*": {
+              "*": [
+                "abi",
+                "evm.bytecode",
+                "evm.deployedBytecode",
+                "evm.methodIdentifiers",
+                "metadata"
+              ],
+              "": [
+                "ast"
+              ]
+            }
+          }
+        }
+      },
+      "imports": [
+        "../IERC20.sol"
+      ],
+      "versionPragmas": [
+        ">=0.6.2"
+      ],
+      "artifacts": [
+        "IERC20Metadata"
+      ]
+    },
+    "/home/oib/windsurf/aitbc/packages/solidity/aitbc-token/node_modules/@openzeppelin/contracts/utils/Strings.sol": {
+      "lastModificationDate": 1758948616623,
+      "contentHash": "d8f70caf0e0c77dc908176ed44812fb7",
+      "sourceName": "@openzeppelin/contracts/utils/Strings.sol",
+      "solcConfig": {
+        "version": "0.8.24",
+        "settings": {
+          "optimizer": {
+            "enabled": true,
+            "runs": 200
+          },
+          "evmVersion": "paris",
+          "outputSelection": {
+            "*": {
+              "*": [
+                "abi",
+                "evm.bytecode",
+                "evm.deployedBytecode",
+                "evm.methodIdentifiers",
+                "metadata"
+              ],
+              "": [
+                "ast"
+              ]
+            }
+          }
+        }
+      },
+      "imports": [
+        "./math/Math.sol",
+        "./math/SafeCast.sol",
+        "./math/SignedMath.sol"
+      ],
+      "versionPragmas": [
+        "^0.8.20"
+      ],
+      "artifacts": [
+        "Strings"
+      ]
+    },
+    "/home/oib/windsurf/aitbc/packages/solidity/aitbc-token/node_modules/@openzeppelin/contracts/utils/math/SafeCast.sol": {
+      "lastModificationDate": 1758948616611,
+      "contentHash": "2adca1150f58fc6f3d1f0a0f22ee7cca",
+      "sourceName": "@openzeppelin/contracts/utils/math/SafeCast.sol",
+      "solcConfig": {
+        "version": "0.8.24",
+        "settings": {
+          "optimizer": {
+            "enabled": true,
+            "runs": 200
+          },
+          "evmVersion": "paris",
+          "outputSelection": {
+            "*": {
+              "*": [
+                "abi",
+                "evm.bytecode",
+                "evm.deployedBytecode",
+                "evm.methodIdentifiers",
+                "metadata"
+              ],
+              "": [
+                "ast"
+              ]
+            }
+          }
+        }
+      },
+      "imports": [],
+      "versionPragmas": [
+        "^0.8.20"
+      ],
+      "artifacts": [
+        "SafeCast"
+      ]
+    },
+    "/home/oib/windsurf/aitbc/packages/solidity/aitbc-token/node_modules/@openzeppelin/contracts/utils/math/Math.sol": {
+      "lastModificationDate": 1758948616595,
+      "contentHash": "5ec781e33d3a9ac91ffdc83d94420412",
+      "sourceName": "@openzeppelin/contracts/utils/math/Math.sol",
+      "solcConfig": {
+        "version": "0.8.24",
+        "settings": {
+          "optimizer": {
+            "enabled": true,
+            "runs": 200
+          },
+          "evmVersion": "paris",
+          "outputSelection": {
+            "*": {
+              "*": [
+                "abi",
+                "evm.bytecode",
+                "evm.deployedBytecode",
+                "evm.methodIdentifiers",
+                "metadata"
+              ],
+              "": [
+                "ast"
+              ]
+            }
+          }
+        }
+      },
+      "imports": [
+        "../Panic.sol",
+        "./SafeCast.sol"
+      ],
+      "versionPragmas": [
+        "^0.8.20"
+      ],
+      "artifacts": [
+        "Math"
+      ]
+    },
+    "/home/oib/windsurf/aitbc/packages/solidity/aitbc-token/node_modules/@openzeppelin/contracts/utils/math/SignedMath.sol": {
+      "lastModificationDate": 1758948616619,
+      "contentHash": "ae3528afb8bdb0a7dcfba5b115ee8074",
+      "sourceName": "@openzeppelin/contracts/utils/math/SignedMath.sol",
+      "solcConfig": {
+        "version": "0.8.24",
+        "settings": {
+          "optimizer": {
+            "enabled": true,
+            "runs": 200
+          },
+          "evmVersion": "paris",
+          "outputSelection": {
+            "*": {
+              "*": [
+                "abi",
+                "evm.bytecode",
+                "evm.deployedBytecode",
+                "evm.methodIdentifiers",
+                "metadata"
+              ],
+              "": [
+                "ast"
+              ]
+            }
+          }
+        }
+      },
+      "imports": [
+        "./SafeCast.sol"
+      ],
+      "versionPragmas": [
+        "^0.8.20"
+      ],
+      "artifacts": [
+        "SignedMath"
+      ]
+    },
+    "/home/oib/windsurf/aitbc/packages/solidity/aitbc-token/node_modules/@openzeppelin/contracts/utils/Panic.sol": {
+      "lastModificationDate": 1758948616603,
+      "contentHash": "2133dc13536b4a6a98131e431fac59e1",
+      "sourceName": "@openzeppelin/contracts/utils/Panic.sol",
+      "solcConfig": {
+        "version": "0.8.24",
+        "settings": {
+          "optimizer": {
+            "enabled": true,
+            "runs": 200
+          },
+          "evmVersion": "paris",
+          "outputSelection": {
+            "*": {
+              "*": [
+                "abi",
+                "evm.bytecode",
+                "evm.deployedBytecode",
+                "evm.methodIdentifiers",
+                "metadata"
+              ],
+              "": [
+                "ast"
+              ]
+            }
+          }
+        }
+      },
+      "imports": [],
+      "versionPragmas": [
+        "^0.8.20"
+      ],
+      "artifacts": [
+        "Panic"
+      ]
+    },
+    "/home/oib/windsurf/aitbc/packages/solidity/aitbc-token/contracts/AITokenRegistry.sol": {
+      "lastModificationDate": 1758946778726,
+      "contentHash": "5e787829fa19b0a69c958e431fea5757",
+      "sourceName": "contracts/AITokenRegistry.sol",
+      "solcConfig": {
+        "version": "0.8.24",
+        "settings": {
+          "optimizer": {
+            "enabled": true,
+            "runs": 200
+          },
+          "evmVersion": "paris",
+          "outputSelection": {
+            "*": {
+              "*": [
+                "abi",
+                "evm.bytecode",
+                "evm.deployedBytecode",
+                "evm.methodIdentifiers",
+                "metadata"
+              ],
+              "": [
+                "ast"
+              ]
+            }
+          }
+        }
+      },
+      "imports": [
+        "@openzeppelin/contracts/access/AccessControl.sol"
+      ],
+      "versionPragmas": [
+        "^0.8.24"
+      ],
+      "artifacts": [
+        "AITokenRegistry"
+      ]
+    }
+  }
+}
diff --git a/packages/solidity/aitbc-token/contracts/AIToken.sol b/packages/solidity/aitbc-token/contracts/AIToken.sol
new file mode 100644
index 0000000..6d3cbe2
--- /dev/null
+++ b/packages/solidity/aitbc-token/contracts/AIToken.sol
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.24;
+
+import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+import {AccessControl} from "@openzeppelin/contracts/access/AccessControl.sol";
+import {ECDSA} from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
+import {MessageHashUtils} from "@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol";
+
+/// @title AIToken
+/// @notice ERC20 token that mints units for providers based on attested compute receipts
+contract AIToken is ERC20, AccessControl {
+    using ECDSA for bytes32;
+    using MessageHashUtils for bytes32;
+
+    bytes32 public constant COORDINATOR_ROLE = keccak256("COORDINATOR_ROLE");
+    bytes32 public constant ATTESTOR_ROLE = keccak256("ATTESTOR_ROLE");
+
+    /// @notice Tracks consumed receipt hashes to prevent replay
+    mapping(bytes32 => bool) public consumedReceipts;
+
+    event ReceiptConsumed(bytes32 indexed receiptHash, address indexed provider, uint256 units, address indexed attestor);
+
+    constructor(address admin) ERC20("AIToken", "AIT") {
+        _grantRole(DEFAULT_ADMIN_ROLE, admin);
+    }
+
+    /// @notice Mint tokens for a provider when coordinator submits a valid attested receipt
+    /// @param provider Address of the compute provider receiving minted tokens
+    /// @param units Amount of tokens to mint
+    /// @param receiptHash Unique hash representing the off-chain receipt
+    /// @param signature Coordinator-attested signature authorizing the mint
+    function mintWithReceipt(
+        address provider,
+        uint256 units,
+        bytes32 receiptHash,
+        bytes calldata signature
+    ) external onlyRole(COORDINATOR_ROLE) {
+        require(provider != address(0), "invalid provider");
+        require(units > 0, "invalid units");
+        require(!consumedReceipts[receiptHash], "receipt already consumed");
+
+        bytes32 digest = _mintDigest(provider, units, receiptHash);
+        address attestor = digest.recover(signature);
+        require(hasRole(ATTESTOR_ROLE, attestor), "invalid attestor signature");
+
+        consumedReceipts[receiptHash] = true;
+        _mint(provider, units);
+
+        emit ReceiptConsumed(receiptHash, provider, units, attestor);
+    }
+
+    /// @notice Helper to compute the signed digest required for minting
+    function mintDigest(address provider, uint256 units, bytes32 receiptHash) external view returns (bytes32) {
+        return _mintDigest(provider, units, receiptHash);
+    }
+
+    function _mintDigest(address provider, uint256 units, bytes32 receiptHash) internal view returns (bytes32) {
+        bytes32 structHash = keccak256(abi.encode(block.chainid, address(this), provider, units, receiptHash));
+        return structHash.toEthSignedMessageHash();
+    }
+}
diff --git a/packages/solidity/aitbc-token/contracts/AITokenRegistry.sol b/packages/solidity/aitbc-token/contracts/AITokenRegistry.sol
new file mode 100644
index 0000000..51fb3d7
--- /dev/null
+++ b/packages/solidity/aitbc-token/contracts/AITokenRegistry.sol
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.24;
+
+import {AccessControl} from "@openzeppelin/contracts/access/AccessControl.sol";
+
+/// @title AITokenRegistry
+/// @notice Tracks permitted providers and staking requirements for AIToken minting
+contract AITokenRegistry is AccessControl {
+    bytes32 public constant COORDINATOR_ROLE = keccak256("COORDINATOR_ROLE");
+
+    struct ProviderInfo {
+        bool active;
+        uint256 collateral;
+    }
+
+    mapping(address => ProviderInfo) public providers;
+
+    event ProviderRegistered(address indexed provider, uint256 collateral);
+    event ProviderUpdated(address indexed provider, bool active, uint256 collateral);
+
+    constructor(address admin) {
+        _grantRole(DEFAULT_ADMIN_ROLE, admin);
+    }
+
+    function registerProvider(address provider, uint256 collateral) external onlyRole(COORDINATOR_ROLE) {
+        require(provider != address(0), "invalid provider");
+        require(!providers[provider].active, "already registered");
+        providers[provider] = ProviderInfo({active: true, collateral: collateral});
+        emit ProviderRegistered(provider, collateral);
+    }
+
+    function updateProvider(
+        address provider,
+        bool active,
+        uint256 collateral
+    ) external onlyRole(COORDINATOR_ROLE) {
+        require(provider != address(0), "invalid provider");
+        require(providers[provider].active || active, "provider not registered");
+        providers[provider] = ProviderInfo({active: active, collateral: collateral});
+        emit ProviderUpdated(provider, active, collateral);
+    }
+
+    function providerInfo(address provider) external view returns (ProviderInfo memory) {
+        return providers[provider];
+    }
+}
diff --git a/packages/solidity/aitbc-token/hardhat.config.ts b/packages/solidity/aitbc-token/hardhat.config.ts
new file mode 100644
index 0000000..90d4018
--- /dev/null
+++ b/packages/solidity/aitbc-token/hardhat.config.ts
@@ -0,0 +1,28 @@
+import { HardhatUserConfig } from "hardhat/config";
+import "@nomicfoundation/hardhat-toolbox";
+
+const config: HardhatUserConfig = {
+  solidity: {
+    version: "0.8.24",
+    settings: {
+      optimizer: {
+        enabled: true,
+        runs: 200
+      }
+    }
+  },
+  paths: {
+    sources: "contracts",
+    tests: "test",
+    cache: "cache",
+    artifacts: "artifacts"
+  },
+  networks: {
+    hardhat: {},
+    localhost: {
+      url: "http://127.0.0.1:8545"
+    }
+  }
+};
+
+export default config;
diff --git a/packages/solidity/aitbc-token/package.json b/packages/solidity/aitbc-token/package.json
new file mode 100644
index 0000000..905f956
--- /dev/null
+++ b/packages/solidity/aitbc-token/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "@aitbc/aitbc-token",
+  "version": "0.1.0",
+  "private": true,
+  "description": "AITBC Solidity contracts for attested receipt-based minting",
+  "scripts": {
+    "build": "hardhat compile",
+    "test": "hardhat test",
+    "lint": "prettier --check \"contracts/**/*.sol\" \"scripts/**/*.ts\" \"test/**/*.ts\"",
+    "format": "prettier --write \"contracts/**/*.sol\" \"scripts/**/*.ts\" \"test/**/*.ts\"",
+    "deploy": "hardhat run scripts/deploy.ts --network localhost"
+  },
+  "devDependencies": {
+    "@nomicfoundation/hardhat-toolbox": "^5.0.0",
+    "@types/chai": "^4.3.11",
+    "@types/mocha": "^10.0.10",
+    "@types/node": "^20.11.30",
+    "chai": "^4.4.1",
+    "hardhat": "^2.22.1",
+    "prettier": "^3.2.5",
+    "ts-node": "^10.9.2",
+    "typescript": "^5.9.2"
+  },
+  "dependencies": {
+    "@openzeppelin/contracts": "^5.0.2"
+  }
+}
diff --git a/packages/solidity/aitbc-token/scripts/deploy.ts b/packages/solidity/aitbc-token/scripts/deploy.ts
new file mode 100644
index 0000000..8dd3585
--- /dev/null
+++ b/packages/solidity/aitbc-token/scripts/deploy.ts
@@ -0,0 +1,58 @@
+import { ethers } from "hardhat";
+import { AIToken__factory } from "../typechain-types";
+
+function envOrDefault(name: string, fallback?: string): string | undefined {
+  const value = process.env[name]?.trim();
+  return value && value.length > 0 ? value : fallback;
+}
+
+async function main() {
+  const [deployer, coordinatorCandidate] = await ethers.getSigners();
+
+  console.log("Deploying AIToken using admin:", deployer.address);
+
+  const contractFactory: AIToken__factory = await ethers.getContractFactory("AIToken");
+  const token = await contractFactory.deploy(deployer.address);
+  await token.waitForDeployment();
+
+  const contractAddress = await token.getAddress();
+  console.log("AIToken deployed to:", contractAddress);
+
+  const coordinatorRole = await token.COORDINATOR_ROLE();
+  const attestorRole = await token.ATTESTOR_ROLE();
+
+  const coordinatorAddress = envOrDefault("COORDINATOR_ADDRESS", coordinatorCandidate.address);
+  if (!coordinatorAddress) {
+    throw new Error(
+      "COORDINATOR_ADDRESS not provided and could not infer fallback signer address"
+    );
+  }
+
+  if (!(await token.hasRole(coordinatorRole, coordinatorAddress))) {
+    console.log("Granting coordinator role to", coordinatorAddress);
+    const tx = await token.grantRole(coordinatorRole, coordinatorAddress);
+    await tx.wait();
+  } else {
+    console.log("Coordinator role already assigned to", coordinatorAddress);
+  }
+
+  const attestorAddress = envOrDefault("ATTESTOR_ADDRESS");
+  if (attestorAddress) {
+    if (!(await token.hasRole(attestorRole, attestorAddress))) {
+      console.log("Granting attestor role to", attestorAddress);
+      const tx = await token.grantRole(attestorRole, attestorAddress);
+      await tx.wait();
+    } else {
+      console.log("Attestor role already assigned to", attestorAddress);
+    }
+  } else {
+    console.log("No ATTESTOR_ADDRESS provided; skipping attestor role grant.");
+  }
+
+  console.log("Deployment complete. Export AITOKEN_ADDRESS=", contractAddress);
+}
+
+main().catch((error) => {
+  console.error(error);
+  process.exitCode = 1;
+});
diff --git a/packages/solidity/aitbc-token/scripts/mintWithReceipt.ts b/packages/solidity/aitbc-token/scripts/mintWithReceipt.ts
new file mode 100644
index 0000000..0e84969
--- /dev/null
+++ b/packages/solidity/aitbc-token/scripts/mintWithReceipt.ts
@@ -0,0 +1,66 @@
+import { ethers } from "hardhat";
+import { AIToken__factory } from "../typechain-types";
+
+type HexString = `0x${string}`;
+
+type EnvValue = string & {}
+
+function requireEnv(name: string): EnvValue {
+  const value = process.env[name]?.trim();
+  if (!value) {
+    throw new Error(`Missing required environment variable ${name}`);
+  }
+  return value as EnvValue;
+}
+
+function parseUnits(value: string): bigint {
+  try {
+    if (value.startsWith("0x") || value.startsWith("0X")) {
+      return BigInt(value);
+    }
+    return BigInt(value);
+  } catch (error) {
+    throw new Error(`UNITS must be a BigInt-compatible value, received ${value}`);
+  }
+}
+
+function assertHex(value: string, name: string): HexString {
+  if (!value.startsWith("0x") && !value.startsWith("0X")) {
+    throw new Error(`${name} must be 0x-prefixed`);
+  }
+  return value.toLowerCase() as HexString;
+}
+
+async function main() {
+  const contractAddress = assertHex(requireEnv("AITOKEN_ADDRESS"), "AITOKEN_ADDRESS");
+  const providerAddress = requireEnv("PROVIDER_ADDRESS");
+  const units = parseUnits(requireEnv("UNITS"));
+  const receiptHash = assertHex(requireEnv("RECEIPT_HASH"), "RECEIPT_HASH");
+  const signature = assertHex(requireEnv("ATTESTOR_SIGNATURE"), "ATTESTOR_SIGNATURE");
+
+  const coordinatorIndex = Number(process.env.COORDINATOR_SIGNER_INDEX ?? "1");
+  const signers = await ethers.getSigners();
+  const coordinator = signers[coordinatorIndex];
+  if (!coordinator) {
+    throw new Error(
+      `COORDINATOR_SIGNER_INDEX=${coordinatorIndex} does not correspond to an available signer`
+    );
+  }
+
+  console.log("Using coordinator signer:", coordinator.address);
+  console.log("Minting receipt for provider:", providerAddress);
+  console.log("Units:", units.toString());
+
+  const token = AIToken__factory.connect(contractAddress, coordinator);
+  const tx = await token.mintWithReceipt(providerAddress, units, receiptHash, signature);
+  const receipt = await tx.wait();
+
+  console.log("Mint transaction hash:", receipt?.hash ?? tx.hash);
+  const balance = await token.balanceOf(providerAddress);
+  console.log("Provider balance:", balance.toString());
+}
+
+main().catch((error) => {
+  console.error(error);
+  process.exitCode = 1;
+});
diff --git a/packages/solidity/aitbc-token/test/aitoken.test.ts b/packages/solidity/aitbc-token/test/aitoken.test.ts
new file mode 100644
index 0000000..eb0bf3b
--- /dev/null
+++ b/packages/solidity/aitbc-token/test/aitoken.test.ts
@@ -0,0 +1,103 @@
+import { expect } from "chai";
+import { ethers } from "hardhat";
+import { loadFixture } from "@nomicfoundation/hardhat-toolbox/network-helpers";
+import type { Signer } from "ethers";
+import type { AIToken } from "../typechain-types";
+import { AIToken__factory } from "../typechain-types";
+
+async function deployAITokenFixture() {
+  const [admin, coordinator, attestor, provider, outsider] = await ethers.getSigners();
+
+  const factory = new AIToken__factory(admin);
+  const token = await factory.deploy(admin.address);
+  await token.waitForDeployment();
+
+  const coordinatorRole = await token.COORDINATOR_ROLE();
+  const attestorRole = await token.ATTESTOR_ROLE();
+
+  await token.grantRole(coordinatorRole, coordinator.address);
+  await token.grantRole(attestorRole, attestor.address);
+
+  return { token, admin, coordinator, attestor, provider, outsider };
+}
+
+async function buildSignature(
+  token: AIToken,
+  attestor: Signer,
+  provider: string,
+  units: bigint,
+  receiptHash: string
+) {
+  const chainId = (await ethers.provider.getNetwork()).chainId;
+  const contractAddress = await token.getAddress();
+  const abiCoder = ethers.AbiCoder.defaultAbiCoder();
+
+  const encoded = abiCoder.encode(
+    ["uint256", "address", "address", "uint256", "bytes32"],
+    [chainId, contractAddress, provider, units, receiptHash]
+  );
+
+  const structHash = ethers.keccak256(encoded);
+  return attestor.signMessage(ethers.getBytes(structHash));
+}
+
+describe("AIToken", function () {
+  it("mints tokens when presented a valid attestor signature", async function () {
+    const { token, coordinator, attestor, provider } = await loadFixture(deployAITokenFixture);
+
+    const units = 100n;
+    const receiptHash = ethers.keccak256(ethers.toUtf8Bytes("receipt-1"));
+    const signature = await buildSignature(token, attestor, provider.address, units, receiptHash);
+
+    await expect(
+      token
+        .connect(coordinator)
+        .mintWithReceipt(provider.address, units, receiptHash, signature)
+    )
+      .to.emit(token, "ReceiptConsumed")
+      .withArgs(receiptHash, provider.address, units, attestor.address);
+
+    expect(await token.balanceOf(provider.address)).to.equal(units);
+    expect(await token.consumedReceipts(receiptHash)).to.equal(true);
+  });
+
+  it("rejects reuse of a consumed receipt hash", async function () {
+    const { token, coordinator, attestor, provider } = await loadFixture(deployAITokenFixture);
+
+    const units = 50n;
+    const receiptHash = ethers.keccak256(ethers.toUtf8Bytes("receipt-2"));
+    const signature = await buildSignature(token, attestor, provider.address, units, receiptHash);
+
+    await token
+      .connect(coordinator)
+      .mintWithReceipt(provider.address, units, receiptHash, signature);
+
+    await expect(
+      token
+        .connect(coordinator)
+        .mintWithReceipt(provider.address, units, receiptHash, signature)
+    ).to.be.revertedWith("receipt already consumed");
+  });
+
+  it("rejects signatures from non-attestors", async function () {
+    const { token, coordinator, attestor, provider, outsider } = await loadFixture(
+      deployAITokenFixture
+    );
+
+    const units = 25n;
+    const receiptHash = ethers.keccak256(ethers.toUtf8Bytes("receipt-3"));
+    const signature = await buildSignature(
+      token,
+      outsider,
+      provider.address,
+      units,
+      receiptHash
+    );
+
+    await expect(
+      token
+        .connect(coordinator)
+        .mintWithReceipt(provider.address, units, receiptHash, signature)
+    ).to.be.revertedWith("invalid attestor signature");
+  });
+});
diff --git a/packages/solidity/aitbc-token/tsconfig.json b/packages/solidity/aitbc-token/tsconfig.json
new file mode 100644
index 0000000..3daa619
--- /dev/null
+++ b/packages/solidity/aitbc-token/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "es2020",
+    "module": "commonjs",
+    "strict": true,
+    "esModuleInterop": true,
+    "outDir": "dist",
+    "types": ["node", "mocha", "hardhat", "@nomicfoundation/hardhat-chai-matchers"],
+    "resolveJsonModule": true,
+    "moduleResolution": "node"
+  },
+  "include": ["hardhat.config.ts", "scripts", "test", "typechain-types"],
+  "exclude": ["dist"]
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/access/AccessControl.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/access/AccessControl.ts
new file mode 100644
index 0000000..9880359
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/access/AccessControl.ts
@@ -0,0 +1,324 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  BytesLike,
+  FunctionFragment,
+  Result,
+  Interface,
+  EventFragment,
+  AddressLike,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedLogDescription,
+  TypedListener,
+  TypedContractMethod,
+} from "../../../common";
+
+export interface AccessControlInterface extends Interface {
+  getFunction(
+    nameOrSignature:
+      | "DEFAULT_ADMIN_ROLE"
+      | "getRoleAdmin"
+      | "grantRole"
+      | "hasRole"
+      | "renounceRole"
+      | "revokeRole"
+      | "supportsInterface"
+  ): FunctionFragment;
+
+  getEvent(
+    nameOrSignatureOrTopic: "RoleAdminChanged" | "RoleGranted" | "RoleRevoked"
+  ): EventFragment;
+
+  encodeFunctionData(
+    functionFragment: "DEFAULT_ADMIN_ROLE",
+    values?: undefined
+  ): string;
+  encodeFunctionData(
+    functionFragment: "getRoleAdmin",
+    values: [BytesLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "grantRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "hasRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "renounceRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "revokeRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "supportsInterface",
+    values: [BytesLike]
+  ): string;
+
+  decodeFunctionResult(
+    functionFragment: "DEFAULT_ADMIN_ROLE",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(
+    functionFragment: "getRoleAdmin",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "grantRole", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "hasRole", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "renounceRole",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "revokeRole", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "supportsInterface",
+    data: BytesLike
+  ): Result;
+}
+
+export namespace RoleAdminChangedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    previousAdminRole: BytesLike,
+    newAdminRole: BytesLike
+  ];
+  export type OutputTuple = [
+    role: string,
+    previousAdminRole: string,
+    newAdminRole: string
+  ];
+  export interface OutputObject {
+    role: string;
+    previousAdminRole: string;
+    newAdminRole: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace RoleGrantedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    account: AddressLike,
+    sender: AddressLike
+  ];
+  export type OutputTuple = [role: string, account: string, sender: string];
+  export interface OutputObject {
+    role: string;
+    account: string;
+    sender: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace RoleRevokedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    account: AddressLike,
+    sender: AddressLike
+  ];
+  export type OutputTuple = [role: string, account: string, sender: string];
+  export interface OutputObject {
+    role: string;
+    account: string;
+    sender: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export interface AccessControl extends BaseContract {
+  connect(runner?: ContractRunner | null): AccessControl;
+  waitForDeployment(): Promise<this>;
+
+  interface: AccessControlInterface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  DEFAULT_ADMIN_ROLE: TypedContractMethod<[], [string], "view">;
+
+  getRoleAdmin: TypedContractMethod<[role: BytesLike], [string], "view">;
+
+  grantRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  hasRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [boolean],
+    "view"
+  >;
+
+  renounceRole: TypedContractMethod<
+    [role: BytesLike, callerConfirmation: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  revokeRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  supportsInterface: TypedContractMethod<
+    [interfaceId: BytesLike],
+    [boolean],
+    "view"
+  >;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  getFunction(
+    nameOrSignature: "DEFAULT_ADMIN_ROLE"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "getRoleAdmin"
+  ): TypedContractMethod<[role: BytesLike], [string], "view">;
+  getFunction(
+    nameOrSignature: "grantRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "hasRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [boolean],
+    "view"
+  >;
+  getFunction(
+    nameOrSignature: "renounceRole"
+  ): TypedContractMethod<
+    [role: BytesLike, callerConfirmation: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "revokeRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "supportsInterface"
+  ): TypedContractMethod<[interfaceId: BytesLike], [boolean], "view">;
+
+  getEvent(
+    key: "RoleAdminChanged"
+  ): TypedContractEvent<
+    RoleAdminChangedEvent.InputTuple,
+    RoleAdminChangedEvent.OutputTuple,
+    RoleAdminChangedEvent.OutputObject
+  >;
+  getEvent(
+    key: "RoleGranted"
+  ): TypedContractEvent<
+    RoleGrantedEvent.InputTuple,
+    RoleGrantedEvent.OutputTuple,
+    RoleGrantedEvent.OutputObject
+  >;
+  getEvent(
+    key: "RoleRevoked"
+  ): TypedContractEvent<
+    RoleRevokedEvent.InputTuple,
+    RoleRevokedEvent.OutputTuple,
+    RoleRevokedEvent.OutputObject
+  >;
+
+  filters: {
+    "RoleAdminChanged(bytes32,bytes32,bytes32)": TypedContractEvent<
+      RoleAdminChangedEvent.InputTuple,
+      RoleAdminChangedEvent.OutputTuple,
+      RoleAdminChangedEvent.OutputObject
+    >;
+    RoleAdminChanged: TypedContractEvent<
+      RoleAdminChangedEvent.InputTuple,
+      RoleAdminChangedEvent.OutputTuple,
+      RoleAdminChangedEvent.OutputObject
+    >;
+
+    "RoleGranted(bytes32,address,address)": TypedContractEvent<
+      RoleGrantedEvent.InputTuple,
+      RoleGrantedEvent.OutputTuple,
+      RoleGrantedEvent.OutputObject
+    >;
+    RoleGranted: TypedContractEvent<
+      RoleGrantedEvent.InputTuple,
+      RoleGrantedEvent.OutputTuple,
+      RoleGrantedEvent.OutputObject
+    >;
+
+    "RoleRevoked(bytes32,address,address)": TypedContractEvent<
+      RoleRevokedEvent.InputTuple,
+      RoleRevokedEvent.OutputTuple,
+      RoleRevokedEvent.OutputObject
+    >;
+    RoleRevoked: TypedContractEvent<
+      RoleRevokedEvent.InputTuple,
+      RoleRevokedEvent.OutputTuple,
+      RoleRevokedEvent.OutputObject
+    >;
+  };
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/access/IAccessControl.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/access/IAccessControl.ts
new file mode 100644
index 0000000..1f0c8cf
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/access/IAccessControl.ts
@@ -0,0 +1,292 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  BytesLike,
+  FunctionFragment,
+  Result,
+  Interface,
+  EventFragment,
+  AddressLike,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedLogDescription,
+  TypedListener,
+  TypedContractMethod,
+} from "../../../common";
+
+export interface IAccessControlInterface extends Interface {
+  getFunction(
+    nameOrSignature:
+      | "getRoleAdmin"
+      | "grantRole"
+      | "hasRole"
+      | "renounceRole"
+      | "revokeRole"
+  ): FunctionFragment;
+
+  getEvent(
+    nameOrSignatureOrTopic: "RoleAdminChanged" | "RoleGranted" | "RoleRevoked"
+  ): EventFragment;
+
+  encodeFunctionData(
+    functionFragment: "getRoleAdmin",
+    values: [BytesLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "grantRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "hasRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "renounceRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "revokeRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+
+  decodeFunctionResult(
+    functionFragment: "getRoleAdmin",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "grantRole", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "hasRole", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "renounceRole",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "revokeRole", data: BytesLike): Result;
+}
+
+export namespace RoleAdminChangedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    previousAdminRole: BytesLike,
+    newAdminRole: BytesLike
+  ];
+  export type OutputTuple = [
+    role: string,
+    previousAdminRole: string,
+    newAdminRole: string
+  ];
+  export interface OutputObject {
+    role: string;
+    previousAdminRole: string;
+    newAdminRole: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace RoleGrantedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    account: AddressLike,
+    sender: AddressLike
+  ];
+  export type OutputTuple = [role: string, account: string, sender: string];
+  export interface OutputObject {
+    role: string;
+    account: string;
+    sender: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace RoleRevokedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    account: AddressLike,
+    sender: AddressLike
+  ];
+  export type OutputTuple = [role: string, account: string, sender: string];
+  export interface OutputObject {
+    role: string;
+    account: string;
+    sender: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export interface IAccessControl extends BaseContract {
+  connect(runner?: ContractRunner | null): IAccessControl;
+  waitForDeployment(): Promise<this>;
+
+  interface: IAccessControlInterface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  getRoleAdmin: TypedContractMethod<[role: BytesLike], [string], "view">;
+
+  grantRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  hasRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [boolean],
+    "view"
+  >;
+
+  renounceRole: TypedContractMethod<
+    [role: BytesLike, callerConfirmation: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  revokeRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  getFunction(
+    nameOrSignature: "getRoleAdmin"
+  ): TypedContractMethod<[role: BytesLike], [string], "view">;
+  getFunction(
+    nameOrSignature: "grantRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "hasRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [boolean],
+    "view"
+  >;
+  getFunction(
+    nameOrSignature: "renounceRole"
+  ): TypedContractMethod<
+    [role: BytesLike, callerConfirmation: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "revokeRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  getEvent(
+    key: "RoleAdminChanged"
+  ): TypedContractEvent<
+    RoleAdminChangedEvent.InputTuple,
+    RoleAdminChangedEvent.OutputTuple,
+    RoleAdminChangedEvent.OutputObject
+  >;
+  getEvent(
+    key: "RoleGranted"
+  ): TypedContractEvent<
+    RoleGrantedEvent.InputTuple,
+    RoleGrantedEvent.OutputTuple,
+    RoleGrantedEvent.OutputObject
+  >;
+  getEvent(
+    key: "RoleRevoked"
+  ): TypedContractEvent<
+    RoleRevokedEvent.InputTuple,
+    RoleRevokedEvent.OutputTuple,
+    RoleRevokedEvent.OutputObject
+  >;
+
+  filters: {
+    "RoleAdminChanged(bytes32,bytes32,bytes32)": TypedContractEvent<
+      RoleAdminChangedEvent.InputTuple,
+      RoleAdminChangedEvent.OutputTuple,
+      RoleAdminChangedEvent.OutputObject
+    >;
+    RoleAdminChanged: TypedContractEvent<
+      RoleAdminChangedEvent.InputTuple,
+      RoleAdminChangedEvent.OutputTuple,
+      RoleAdminChangedEvent.OutputObject
+    >;
+
+    "RoleGranted(bytes32,address,address)": TypedContractEvent<
+      RoleGrantedEvent.InputTuple,
+      RoleGrantedEvent.OutputTuple,
+      RoleGrantedEvent.OutputObject
+    >;
+    RoleGranted: TypedContractEvent<
+      RoleGrantedEvent.InputTuple,
+      RoleGrantedEvent.OutputTuple,
+      RoleGrantedEvent.OutputObject
+    >;
+
+    "RoleRevoked(bytes32,address,address)": TypedContractEvent<
+      RoleRevokedEvent.InputTuple,
+      RoleRevokedEvent.OutputTuple,
+      RoleRevokedEvent.OutputObject
+    >;
+    RoleRevoked: TypedContractEvent<
+      RoleRevokedEvent.InputTuple,
+      RoleRevokedEvent.OutputTuple,
+      RoleRevokedEvent.OutputObject
+    >;
+  };
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/access/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/access/index.ts
new file mode 100644
index 0000000..8209e49
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/access/index.ts
@@ -0,0 +1,5 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export type { AccessControl } from "./AccessControl";
+export type { IAccessControl } from "./IAccessControl";
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/index.ts
new file mode 100644
index 0000000..07c466d
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/index.ts
@@ -0,0 +1,11 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type * as access from "./access";
+export type { access };
+import type * as interfaces from "./interfaces";
+export type { interfaces };
+import type * as token from "./token";
+export type { token };
+import type * as utils from "./utils";
+export type { utils };
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors.ts
new file mode 100644
index 0000000..959e42d
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors.ts
@@ -0,0 +1,69 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  FunctionFragment,
+  Interface,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedListener,
+} from "../../../../common";
+
+export interface IERC1155ErrorsInterface extends Interface {}
+
+export interface IERC1155Errors extends BaseContract {
+  connect(runner?: ContractRunner | null): IERC1155Errors;
+  waitForDeployment(): Promise<this>;
+
+  interface: IERC1155ErrorsInterface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  filters: {};
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors.ts
new file mode 100644
index 0000000..0469922
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors.ts
@@ -0,0 +1,69 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  FunctionFragment,
+  Interface,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedListener,
+} from "../../../../common";
+
+export interface IERC20ErrorsInterface extends Interface {}
+
+export interface IERC20Errors extends BaseContract {
+  connect(runner?: ContractRunner | null): IERC20Errors;
+  waitForDeployment(): Promise<this>;
+
+  interface: IERC20ErrorsInterface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  filters: {};
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors.ts
new file mode 100644
index 0000000..39b0d2b
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors.ts
@@ -0,0 +1,69 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  FunctionFragment,
+  Interface,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedListener,
+} from "../../../../common";
+
+export interface IERC721ErrorsInterface extends Interface {}
+
+export interface IERC721Errors extends BaseContract {
+  connect(runner?: ContractRunner | null): IERC721Errors;
+  waitForDeployment(): Promise<this>;
+
+  interface: IERC721ErrorsInterface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  filters: {};
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/index.ts
new file mode 100644
index 0000000..9415fdf
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/index.ts
@@ -0,0 +1,6 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export type { IERC1155Errors } from "./IERC1155Errors";
+export type { IERC20Errors } from "./IERC20Errors";
+export type { IERC721Errors } from "./IERC721Errors";
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/index.ts
new file mode 100644
index 0000000..d70b374
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/interfaces/index.ts
@@ -0,0 +1,5 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type * as draftIerc6093Sol from "./draft-IERC6093.sol";
+export type { draftIerc6093Sol };
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/ERC20.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/ERC20.ts
new file mode 100644
index 0000000..4673689
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/ERC20.ts
@@ -0,0 +1,286 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  BigNumberish,
+  BytesLike,
+  FunctionFragment,
+  Result,
+  Interface,
+  EventFragment,
+  AddressLike,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedLogDescription,
+  TypedListener,
+  TypedContractMethod,
+} from "../../../../common";
+
+export interface ERC20Interface extends Interface {
+  getFunction(
+    nameOrSignature:
+      | "allowance"
+      | "approve"
+      | "balanceOf"
+      | "decimals"
+      | "name"
+      | "symbol"
+      | "totalSupply"
+      | "transfer"
+      | "transferFrom"
+  ): FunctionFragment;
+
+  getEvent(nameOrSignatureOrTopic: "Approval" | "Transfer"): EventFragment;
+
+  encodeFunctionData(
+    functionFragment: "allowance",
+    values: [AddressLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "approve",
+    values: [AddressLike, BigNumberish]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "balanceOf",
+    values: [AddressLike]
+  ): string;
+  encodeFunctionData(functionFragment: "decimals", values?: undefined): string;
+  encodeFunctionData(functionFragment: "name", values?: undefined): string;
+  encodeFunctionData(functionFragment: "symbol", values?: undefined): string;
+  encodeFunctionData(
+    functionFragment: "totalSupply",
+    values?: undefined
+  ): string;
+  encodeFunctionData(
+    functionFragment: "transfer",
+    values: [AddressLike, BigNumberish]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "transferFrom",
+    values: [AddressLike, AddressLike, BigNumberish]
+  ): string;
+
+  decodeFunctionResult(functionFragment: "allowance", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "approve", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "balanceOf", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "decimals", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "name", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "symbol", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "totalSupply",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "transfer", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "transferFrom",
+    data: BytesLike
+  ): Result;
+}
+
+export namespace ApprovalEvent {
+  export type InputTuple = [
+    owner: AddressLike,
+    spender: AddressLike,
+    value: BigNumberish
+  ];
+  export type OutputTuple = [owner: string, spender: string, value: bigint];
+  export interface OutputObject {
+    owner: string;
+    spender: string;
+    value: bigint;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace TransferEvent {
+  export type InputTuple = [
+    from: AddressLike,
+    to: AddressLike,
+    value: BigNumberish
+  ];
+  export type OutputTuple = [from: string, to: string, value: bigint];
+  export interface OutputObject {
+    from: string;
+    to: string;
+    value: bigint;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export interface ERC20 extends BaseContract {
+  connect(runner?: ContractRunner | null): ERC20;
+  waitForDeployment(): Promise<this>;
+
+  interface: ERC20Interface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  allowance: TypedContractMethod<
+    [owner: AddressLike, spender: AddressLike],
+    [bigint],
+    "view"
+  >;
+
+  approve: TypedContractMethod<
+    [spender: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  balanceOf: TypedContractMethod<[account: AddressLike], [bigint], "view">;
+
+  decimals: TypedContractMethod<[], [bigint], "view">;
+
+  name: TypedContractMethod<[], [string], "view">;
+
+  symbol: TypedContractMethod<[], [string], "view">;
+
+  totalSupply: TypedContractMethod<[], [bigint], "view">;
+
+  transfer: TypedContractMethod<
+    [to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  transferFrom: TypedContractMethod<
+    [from: AddressLike, to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  getFunction(
+    nameOrSignature: "allowance"
+  ): TypedContractMethod<
+    [owner: AddressLike, spender: AddressLike],
+    [bigint],
+    "view"
+  >;
+  getFunction(
+    nameOrSignature: "approve"
+  ): TypedContractMethod<
+    [spender: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "balanceOf"
+  ): TypedContractMethod<[account: AddressLike], [bigint], "view">;
+  getFunction(
+    nameOrSignature: "decimals"
+  ): TypedContractMethod<[], [bigint], "view">;
+  getFunction(
+    nameOrSignature: "name"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "symbol"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "totalSupply"
+  ): TypedContractMethod<[], [bigint], "view">;
+  getFunction(
+    nameOrSignature: "transfer"
+  ): TypedContractMethod<
+    [to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "transferFrom"
+  ): TypedContractMethod<
+    [from: AddressLike, to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  getEvent(
+    key: "Approval"
+  ): TypedContractEvent<
+    ApprovalEvent.InputTuple,
+    ApprovalEvent.OutputTuple,
+    ApprovalEvent.OutputObject
+  >;
+  getEvent(
+    key: "Transfer"
+  ): TypedContractEvent<
+    TransferEvent.InputTuple,
+    TransferEvent.OutputTuple,
+    TransferEvent.OutputObject
+  >;
+
+  filters: {
+    "Approval(address,address,uint256)": TypedContractEvent<
+      ApprovalEvent.InputTuple,
+      ApprovalEvent.OutputTuple,
+      ApprovalEvent.OutputObject
+    >;
+    Approval: TypedContractEvent<
+      ApprovalEvent.InputTuple,
+      ApprovalEvent.OutputTuple,
+      ApprovalEvent.OutputObject
+    >;
+
+    "Transfer(address,address,uint256)": TypedContractEvent<
+      TransferEvent.InputTuple,
+      TransferEvent.OutputTuple,
+      TransferEvent.OutputObject
+    >;
+    Transfer: TypedContractEvent<
+      TransferEvent.InputTuple,
+      TransferEvent.OutputTuple,
+      TransferEvent.OutputObject
+    >;
+  };
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/IERC20.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/IERC20.ts
new file mode 100644
index 0000000..d800ff3
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/IERC20.ts
@@ -0,0 +1,262 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  BigNumberish,
+  BytesLike,
+  FunctionFragment,
+  Result,
+  Interface,
+  EventFragment,
+  AddressLike,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedLogDescription,
+  TypedListener,
+  TypedContractMethod,
+} from "../../../../common";
+
+export interface IERC20Interface extends Interface {
+  getFunction(
+    nameOrSignature:
+      | "allowance"
+      | "approve"
+      | "balanceOf"
+      | "totalSupply"
+      | "transfer"
+      | "transferFrom"
+  ): FunctionFragment;
+
+  getEvent(nameOrSignatureOrTopic: "Approval" | "Transfer"): EventFragment;
+
+  encodeFunctionData(
+    functionFragment: "allowance",
+    values: [AddressLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "approve",
+    values: [AddressLike, BigNumberish]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "balanceOf",
+    values: [AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "totalSupply",
+    values?: undefined
+  ): string;
+  encodeFunctionData(
+    functionFragment: "transfer",
+    values: [AddressLike, BigNumberish]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "transferFrom",
+    values: [AddressLike, AddressLike, BigNumberish]
+  ): string;
+
+  decodeFunctionResult(functionFragment: "allowance", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "approve", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "balanceOf", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "totalSupply",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "transfer", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "transferFrom",
+    data: BytesLike
+  ): Result;
+}
+
+export namespace ApprovalEvent {
+  export type InputTuple = [
+    owner: AddressLike,
+    spender: AddressLike,
+    value: BigNumberish
+  ];
+  export type OutputTuple = [owner: string, spender: string, value: bigint];
+  export interface OutputObject {
+    owner: string;
+    spender: string;
+    value: bigint;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace TransferEvent {
+  export type InputTuple = [
+    from: AddressLike,
+    to: AddressLike,
+    value: BigNumberish
+  ];
+  export type OutputTuple = [from: string, to: string, value: bigint];
+  export interface OutputObject {
+    from: string;
+    to: string;
+    value: bigint;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export interface IERC20 extends BaseContract {
+  connect(runner?: ContractRunner | null): IERC20;
+  waitForDeployment(): Promise<this>;
+
+  interface: IERC20Interface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  allowance: TypedContractMethod<
+    [owner: AddressLike, spender: AddressLike],
+    [bigint],
+    "view"
+  >;
+
+  approve: TypedContractMethod<
+    [spender: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  balanceOf: TypedContractMethod<[account: AddressLike], [bigint], "view">;
+
+  totalSupply: TypedContractMethod<[], [bigint], "view">;
+
+  transfer: TypedContractMethod<
+    [to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  transferFrom: TypedContractMethod<
+    [from: AddressLike, to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  getFunction(
+    nameOrSignature: "allowance"
+  ): TypedContractMethod<
+    [owner: AddressLike, spender: AddressLike],
+    [bigint],
+    "view"
+  >;
+  getFunction(
+    nameOrSignature: "approve"
+  ): TypedContractMethod<
+    [spender: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "balanceOf"
+  ): TypedContractMethod<[account: AddressLike], [bigint], "view">;
+  getFunction(
+    nameOrSignature: "totalSupply"
+  ): TypedContractMethod<[], [bigint], "view">;
+  getFunction(
+    nameOrSignature: "transfer"
+  ): TypedContractMethod<
+    [to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "transferFrom"
+  ): TypedContractMethod<
+    [from: AddressLike, to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  getEvent(
+    key: "Approval"
+  ): TypedContractEvent<
+    ApprovalEvent.InputTuple,
+    ApprovalEvent.OutputTuple,
+    ApprovalEvent.OutputObject
+  >;
+  getEvent(
+    key: "Transfer"
+  ): TypedContractEvent<
+    TransferEvent.InputTuple,
+    TransferEvent.OutputTuple,
+    TransferEvent.OutputObject
+  >;
+
+  filters: {
+    "Approval(address,address,uint256)": TypedContractEvent<
+      ApprovalEvent.InputTuple,
+      ApprovalEvent.OutputTuple,
+      ApprovalEvent.OutputObject
+    >;
+    Approval: TypedContractEvent<
+      ApprovalEvent.InputTuple,
+      ApprovalEvent.OutputTuple,
+      ApprovalEvent.OutputObject
+    >;
+
+    "Transfer(address,address,uint256)": TypedContractEvent<
+      TransferEvent.InputTuple,
+      TransferEvent.OutputTuple,
+      TransferEvent.OutputObject
+    >;
+    Transfer: TypedContractEvent<
+      TransferEvent.InputTuple,
+      TransferEvent.OutputTuple,
+      TransferEvent.OutputObject
+    >;
+  };
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.ts
new file mode 100644
index 0000000..6b50935
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.ts
@@ -0,0 +1,286 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  BigNumberish,
+  BytesLike,
+  FunctionFragment,
+  Result,
+  Interface,
+  EventFragment,
+  AddressLike,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedLogDescription,
+  TypedListener,
+  TypedContractMethod,
+} from "../../../../../common";
+
+export interface IERC20MetadataInterface extends Interface {
+  getFunction(
+    nameOrSignature:
+      | "allowance"
+      | "approve"
+      | "balanceOf"
+      | "decimals"
+      | "name"
+      | "symbol"
+      | "totalSupply"
+      | "transfer"
+      | "transferFrom"
+  ): FunctionFragment;
+
+  getEvent(nameOrSignatureOrTopic: "Approval" | "Transfer"): EventFragment;
+
+  encodeFunctionData(
+    functionFragment: "allowance",
+    values: [AddressLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "approve",
+    values: [AddressLike, BigNumberish]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "balanceOf",
+    values: [AddressLike]
+  ): string;
+  encodeFunctionData(functionFragment: "decimals", values?: undefined): string;
+  encodeFunctionData(functionFragment: "name", values?: undefined): string;
+  encodeFunctionData(functionFragment: "symbol", values?: undefined): string;
+  encodeFunctionData(
+    functionFragment: "totalSupply",
+    values?: undefined
+  ): string;
+  encodeFunctionData(
+    functionFragment: "transfer",
+    values: [AddressLike, BigNumberish]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "transferFrom",
+    values: [AddressLike, AddressLike, BigNumberish]
+  ): string;
+
+  decodeFunctionResult(functionFragment: "allowance", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "approve", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "balanceOf", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "decimals", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "name", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "symbol", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "totalSupply",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "transfer", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "transferFrom",
+    data: BytesLike
+  ): Result;
+}
+
+export namespace ApprovalEvent {
+  export type InputTuple = [
+    owner: AddressLike,
+    spender: AddressLike,
+    value: BigNumberish
+  ];
+  export type OutputTuple = [owner: string, spender: string, value: bigint];
+  export interface OutputObject {
+    owner: string;
+    spender: string;
+    value: bigint;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace TransferEvent {
+  export type InputTuple = [
+    from: AddressLike,
+    to: AddressLike,
+    value: BigNumberish
+  ];
+  export type OutputTuple = [from: string, to: string, value: bigint];
+  export interface OutputObject {
+    from: string;
+    to: string;
+    value: bigint;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export interface IERC20Metadata extends BaseContract {
+  connect(runner?: ContractRunner | null): IERC20Metadata;
+  waitForDeployment(): Promise<this>;
+
+  interface: IERC20MetadataInterface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  allowance: TypedContractMethod<
+    [owner: AddressLike, spender: AddressLike],
+    [bigint],
+    "view"
+  >;
+
+  approve: TypedContractMethod<
+    [spender: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  balanceOf: TypedContractMethod<[account: AddressLike], [bigint], "view">;
+
+  decimals: TypedContractMethod<[], [bigint], "view">;
+
+  name: TypedContractMethod<[], [string], "view">;
+
+  symbol: TypedContractMethod<[], [string], "view">;
+
+  totalSupply: TypedContractMethod<[], [bigint], "view">;
+
+  transfer: TypedContractMethod<
+    [to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  transferFrom: TypedContractMethod<
+    [from: AddressLike, to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  getFunction(
+    nameOrSignature: "allowance"
+  ): TypedContractMethod<
+    [owner: AddressLike, spender: AddressLike],
+    [bigint],
+    "view"
+  >;
+  getFunction(
+    nameOrSignature: "approve"
+  ): TypedContractMethod<
+    [spender: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "balanceOf"
+  ): TypedContractMethod<[account: AddressLike], [bigint], "view">;
+  getFunction(
+    nameOrSignature: "decimals"
+  ): TypedContractMethod<[], [bigint], "view">;
+  getFunction(
+    nameOrSignature: "name"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "symbol"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "totalSupply"
+  ): TypedContractMethod<[], [bigint], "view">;
+  getFunction(
+    nameOrSignature: "transfer"
+  ): TypedContractMethod<
+    [to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "transferFrom"
+  ): TypedContractMethod<
+    [from: AddressLike, to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  getEvent(
+    key: "Approval"
+  ): TypedContractEvent<
+    ApprovalEvent.InputTuple,
+    ApprovalEvent.OutputTuple,
+    ApprovalEvent.OutputObject
+  >;
+  getEvent(
+    key: "Transfer"
+  ): TypedContractEvent<
+    TransferEvent.InputTuple,
+    TransferEvent.OutputTuple,
+    TransferEvent.OutputObject
+  >;
+
+  filters: {
+    "Approval(address,address,uint256)": TypedContractEvent<
+      ApprovalEvent.InputTuple,
+      ApprovalEvent.OutputTuple,
+      ApprovalEvent.OutputObject
+    >;
+    Approval: TypedContractEvent<
+      ApprovalEvent.InputTuple,
+      ApprovalEvent.OutputTuple,
+      ApprovalEvent.OutputObject
+    >;
+
+    "Transfer(address,address,uint256)": TypedContractEvent<
+      TransferEvent.InputTuple,
+      TransferEvent.OutputTuple,
+      TransferEvent.OutputObject
+    >;
+    Transfer: TypedContractEvent<
+      TransferEvent.InputTuple,
+      TransferEvent.OutputTuple,
+      TransferEvent.OutputObject
+    >;
+  };
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/extensions/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/extensions/index.ts
new file mode 100644
index 0000000..6044cde
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/extensions/index.ts
@@ -0,0 +1,4 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export type { IERC20Metadata } from "./IERC20Metadata";
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/index.ts
new file mode 100644
index 0000000..cc19697
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/ERC20/index.ts
@@ -0,0 +1,7 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type * as extensions from "./extensions";
+export type { extensions };
+export type { ERC20 } from "./ERC20";
+export type { IERC20 } from "./IERC20";
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/index.ts
new file mode 100644
index 0000000..5c4062a
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/token/index.ts
@@ -0,0 +1,5 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type * as erc20 from "./ERC20";
+export type { erc20 };
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/Strings.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/Strings.ts
new file mode 100644
index 0000000..08a73eb
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/Strings.ts
@@ -0,0 +1,69 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  FunctionFragment,
+  Interface,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedListener,
+} from "../../../common";
+
+export interface StringsInterface extends Interface {}
+
+export interface Strings extends BaseContract {
+  connect(runner?: ContractRunner | null): Strings;
+  waitForDeployment(): Promise<this>;
+
+  interface: StringsInterface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  filters: {};
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/cryptography/ECDSA.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/cryptography/ECDSA.ts
new file mode 100644
index 0000000..433b59f
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/cryptography/ECDSA.ts
@@ -0,0 +1,69 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  FunctionFragment,
+  Interface,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedListener,
+} from "../../../../common";
+
+export interface ECDSAInterface extends Interface {}
+
+export interface ECDSA extends BaseContract {
+  connect(runner?: ContractRunner | null): ECDSA;
+  waitForDeployment(): Promise<this>;
+
+  interface: ECDSAInterface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  filters: {};
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/cryptography/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/cryptography/index.ts
new file mode 100644
index 0000000..6249962
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/cryptography/index.ts
@@ -0,0 +1,4 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export type { ECDSA } from "./ECDSA";
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/index.ts
new file mode 100644
index 0000000..bdc50da
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/index.ts
@@ -0,0 +1,10 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type * as cryptography from "./cryptography";
+export type { cryptography };
+import type * as introspection from "./introspection";
+export type { introspection };
+import type * as math from "./math";
+export type { math };
+export type { Strings } from "./Strings";
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/introspection/ERC165.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/introspection/ERC165.ts
new file mode 100644
index 0000000..e56b1fd
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/introspection/ERC165.ts
@@ -0,0 +1,94 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  BytesLike,
+  FunctionFragment,
+  Result,
+  Interface,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedListener,
+  TypedContractMethod,
+} from "../../../../common";
+
+export interface ERC165Interface extends Interface {
+  getFunction(nameOrSignature: "supportsInterface"): FunctionFragment;
+
+  encodeFunctionData(
+    functionFragment: "supportsInterface",
+    values: [BytesLike]
+  ): string;
+
+  decodeFunctionResult(
+    functionFragment: "supportsInterface",
+    data: BytesLike
+  ): Result;
+}
+
+export interface ERC165 extends BaseContract {
+  connect(runner?: ContractRunner | null): ERC165;
+  waitForDeployment(): Promise<this>;
+
+  interface: ERC165Interface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  supportsInterface: TypedContractMethod<
+    [interfaceId: BytesLike],
+    [boolean],
+    "view"
+  >;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  getFunction(
+    nameOrSignature: "supportsInterface"
+  ): TypedContractMethod<[interfaceId: BytesLike], [boolean], "view">;
+
+  filters: {};
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/introspection/IERC165.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/introspection/IERC165.ts
new file mode 100644
index 0000000..c943112
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/introspection/IERC165.ts
@@ -0,0 +1,94 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  BytesLike,
+  FunctionFragment,
+  Result,
+  Interface,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedListener,
+  TypedContractMethod,
+} from "../../../../common";
+
+export interface IERC165Interface extends Interface {
+  getFunction(nameOrSignature: "supportsInterface"): FunctionFragment;
+
+  encodeFunctionData(
+    functionFragment: "supportsInterface",
+    values: [BytesLike]
+  ): string;
+
+  decodeFunctionResult(
+    functionFragment: "supportsInterface",
+    data: BytesLike
+  ): Result;
+}
+
+export interface IERC165 extends BaseContract {
+  connect(runner?: ContractRunner | null): IERC165;
+  waitForDeployment(): Promise<this>;
+
+  interface: IERC165Interface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  supportsInterface: TypedContractMethod<
+    [interfaceId: BytesLike],
+    [boolean],
+    "view"
+  >;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  getFunction(
+    nameOrSignature: "supportsInterface"
+  ): TypedContractMethod<[interfaceId: BytesLike], [boolean], "view">;
+
+  filters: {};
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/introspection/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/introspection/index.ts
new file mode 100644
index 0000000..d7fccec
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/introspection/index.ts
@@ -0,0 +1,5 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export type { ERC165 } from "./ERC165";
+export type { IERC165 } from "./IERC165";
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/math/SafeCast.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/math/SafeCast.ts
new file mode 100644
index 0000000..53ebdc0
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/math/SafeCast.ts
@@ -0,0 +1,69 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  FunctionFragment,
+  Interface,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedListener,
+} from "../../../../common";
+
+export interface SafeCastInterface extends Interface {}
+
+export interface SafeCast extends BaseContract {
+  connect(runner?: ContractRunner | null): SafeCast;
+  waitForDeployment(): Promise<this>;
+
+  interface: SafeCastInterface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  filters: {};
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/math/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/math/index.ts
new file mode 100644
index 0000000..1952fed
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/contracts/utils/math/index.ts
@@ -0,0 +1,4 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export type { SafeCast } from "./SafeCast";
diff --git a/packages/solidity/aitbc-token/typechain-types/@openzeppelin/index.ts b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/index.ts
new file mode 100644
index 0000000..a11e4ca
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/@openzeppelin/index.ts
@@ -0,0 +1,5 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type * as contracts from "./contracts";
+export type { contracts };
diff --git a/packages/solidity/aitbc-token/typechain-types/common.ts b/packages/solidity/aitbc-token/typechain-types/common.ts
new file mode 100644
index 0000000..56b5f21
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/common.ts
@@ -0,0 +1,131 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  FunctionFragment,
+  Typed,
+  EventFragment,
+  ContractTransaction,
+  ContractTransactionResponse,
+  DeferredTopicFilter,
+  EventLog,
+  TransactionRequest,
+  LogDescription,
+} from "ethers";
+
+export interface TypedDeferredTopicFilter<_TCEvent extends TypedContractEvent>
+  extends DeferredTopicFilter {}
+
+export interface TypedContractEvent<
+  InputTuple extends Array<any> = any,
+  OutputTuple extends Array<any> = any,
+  OutputObject = any
+> {
+  (...args: Partial<InputTuple>): TypedDeferredTopicFilter<
+    TypedContractEvent<InputTuple, OutputTuple, OutputObject>
+  >;
+  name: string;
+  fragment: EventFragment;
+  getFragment(...args: Partial<InputTuple>): EventFragment;
+}
+
+type __TypechainAOutputTuple<T> = T extends TypedContractEvent<
+  infer _U,
+  infer W
+>
+  ? W
+  : never;
+type __TypechainOutputObject<T> = T extends TypedContractEvent<
+  infer _U,
+  infer _W,
+  infer V
+>
+  ? V
+  : never;
+
+export interface TypedEventLog<TCEvent extends TypedContractEvent>
+  extends Omit<EventLog, "args"> {
+  args: __TypechainAOutputTuple<TCEvent> & __TypechainOutputObject<TCEvent>;
+}
+
+export interface TypedLogDescription<TCEvent extends TypedContractEvent>
+  extends Omit<LogDescription, "args"> {
+  args: __TypechainAOutputTuple<TCEvent> & __TypechainOutputObject<TCEvent>;
+}
+
+export type TypedListener<TCEvent extends TypedContractEvent> = (
+  ...listenerArg: [
+    ...__TypechainAOutputTuple<TCEvent>,
+    TypedEventLog<TCEvent>,
+    ...undefined[]
+  ]
+) => void;
+
+export type MinEthersFactory<C, ARGS> = {
+  deploy(...a: ARGS[]): Promise<C>;
+};
+
+export type GetContractTypeFromFactory<F> = F extends MinEthersFactory<
+  infer C,
+  any
+>
+  ? C
+  : never;
+export type GetARGsTypeFromFactory<F> = F extends MinEthersFactory<any, any>
+  ? Parameters<F["deploy"]>
+  : never;
+
+export type StateMutability = "nonpayable" | "payable" | "view";
+
+export type BaseOverrides = Omit<TransactionRequest, "to" | "data">;
+export type NonPayableOverrides = Omit<
+  BaseOverrides,
+  "value" | "blockTag" | "enableCcipRead"
+>;
+export type PayableOverrides = Omit<
+  BaseOverrides,
+  "blockTag" | "enableCcipRead"
+>;
+export type ViewOverrides = Omit<TransactionRequest, "to" | "data">;
+export type Overrides<S extends StateMutability> = S extends "nonpayable"
+  ? NonPayableOverrides
+  : S extends "payable"
+  ? PayableOverrides
+  : ViewOverrides;
+
+export type PostfixOverrides<A extends Array<any>, S extends StateMutability> =
+  | A
+  | [...A, Overrides<S>];
+export type ContractMethodArgs<
+  A extends Array<any>,
+  S extends StateMutability
+> = PostfixOverrides<{ [I in keyof A]-?: A[I] | Typed }, S>;
+
+export type DefaultReturnType<R> = R extends Array<any> ? R[0] : R;
+
+// export interface ContractMethod<A extends Array<any> = Array<any>, R = any, D extends R | ContractTransactionResponse = R | ContractTransactionResponse> {
+export interface TypedContractMethod<
+  A extends Array<any> = Array<any>,
+  R = any,
+  S extends StateMutability = "payable"
+> {
+  (...args: ContractMethodArgs<A, S>): S extends "view"
+    ? Promise<DefaultReturnType<R>>
+    : Promise<ContractTransactionResponse>;
+
+  name: string;
+
+  fragment: FunctionFragment;
+
+  getFragment(...args: ContractMethodArgs<A, S>): FunctionFragment;
+
+  populateTransaction(
+    ...args: ContractMethodArgs<A, S>
+  ): Promise<ContractTransaction>;
+  staticCall(
+    ...args: ContractMethodArgs<A, "view">
+  ): Promise<DefaultReturnType<R>>;
+  send(...args: ContractMethodArgs<A, S>): Promise<ContractTransactionResponse>;
+  estimateGas(...args: ContractMethodArgs<A, S>): Promise<bigint>;
+  staticCallResult(...args: ContractMethodArgs<A, "view">): Promise<R>;
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/contracts/AIToken.ts b/packages/solidity/aitbc-token/typechain-types/contracts/AIToken.ts
new file mode 100644
index 0000000..76da9e3
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/contracts/AIToken.ts
@@ -0,0 +1,667 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  BigNumberish,
+  BytesLike,
+  FunctionFragment,
+  Result,
+  Interface,
+  EventFragment,
+  AddressLike,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedLogDescription,
+  TypedListener,
+  TypedContractMethod,
+} from "../common";
+
+export interface AITokenInterface extends Interface {
+  getFunction(
+    nameOrSignature:
+      | "ATTESTOR_ROLE"
+      | "COORDINATOR_ROLE"
+      | "DEFAULT_ADMIN_ROLE"
+      | "allowance"
+      | "approve"
+      | "balanceOf"
+      | "consumedReceipts"
+      | "decimals"
+      | "getRoleAdmin"
+      | "grantRole"
+      | "hasRole"
+      | "mintDigest"
+      | "mintWithReceipt"
+      | "name"
+      | "renounceRole"
+      | "revokeRole"
+      | "supportsInterface"
+      | "symbol"
+      | "totalSupply"
+      | "transfer"
+      | "transferFrom"
+  ): FunctionFragment;
+
+  getEvent(
+    nameOrSignatureOrTopic:
+      | "Approval"
+      | "ReceiptConsumed"
+      | "RoleAdminChanged"
+      | "RoleGranted"
+      | "RoleRevoked"
+      | "Transfer"
+  ): EventFragment;
+
+  encodeFunctionData(
+    functionFragment: "ATTESTOR_ROLE",
+    values?: undefined
+  ): string;
+  encodeFunctionData(
+    functionFragment: "COORDINATOR_ROLE",
+    values?: undefined
+  ): string;
+  encodeFunctionData(
+    functionFragment: "DEFAULT_ADMIN_ROLE",
+    values?: undefined
+  ): string;
+  encodeFunctionData(
+    functionFragment: "allowance",
+    values: [AddressLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "approve",
+    values: [AddressLike, BigNumberish]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "balanceOf",
+    values: [AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "consumedReceipts",
+    values: [BytesLike]
+  ): string;
+  encodeFunctionData(functionFragment: "decimals", values?: undefined): string;
+  encodeFunctionData(
+    functionFragment: "getRoleAdmin",
+    values: [BytesLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "grantRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "hasRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "mintDigest",
+    values: [AddressLike, BigNumberish, BytesLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "mintWithReceipt",
+    values: [AddressLike, BigNumberish, BytesLike, BytesLike]
+  ): string;
+  encodeFunctionData(functionFragment: "name", values?: undefined): string;
+  encodeFunctionData(
+    functionFragment: "renounceRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "revokeRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "supportsInterface",
+    values: [BytesLike]
+  ): string;
+  encodeFunctionData(functionFragment: "symbol", values?: undefined): string;
+  encodeFunctionData(
+    functionFragment: "totalSupply",
+    values?: undefined
+  ): string;
+  encodeFunctionData(
+    functionFragment: "transfer",
+    values: [AddressLike, BigNumberish]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "transferFrom",
+    values: [AddressLike, AddressLike, BigNumberish]
+  ): string;
+
+  decodeFunctionResult(
+    functionFragment: "ATTESTOR_ROLE",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(
+    functionFragment: "COORDINATOR_ROLE",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(
+    functionFragment: "DEFAULT_ADMIN_ROLE",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "allowance", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "approve", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "balanceOf", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "consumedReceipts",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "decimals", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "getRoleAdmin",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "grantRole", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "hasRole", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "mintDigest", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "mintWithReceipt",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "name", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "renounceRole",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "revokeRole", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "supportsInterface",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "symbol", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "totalSupply",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "transfer", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "transferFrom",
+    data: BytesLike
+  ): Result;
+}
+
+export namespace ApprovalEvent {
+  export type InputTuple = [
+    owner: AddressLike,
+    spender: AddressLike,
+    value: BigNumberish
+  ];
+  export type OutputTuple = [owner: string, spender: string, value: bigint];
+  export interface OutputObject {
+    owner: string;
+    spender: string;
+    value: bigint;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace ReceiptConsumedEvent {
+  export type InputTuple = [
+    receiptHash: BytesLike,
+    provider: AddressLike,
+    units: BigNumberish,
+    attestor: AddressLike
+  ];
+  export type OutputTuple = [
+    receiptHash: string,
+    provider: string,
+    units: bigint,
+    attestor: string
+  ];
+  export interface OutputObject {
+    receiptHash: string;
+    provider: string;
+    units: bigint;
+    attestor: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace RoleAdminChangedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    previousAdminRole: BytesLike,
+    newAdminRole: BytesLike
+  ];
+  export type OutputTuple = [
+    role: string,
+    previousAdminRole: string,
+    newAdminRole: string
+  ];
+  export interface OutputObject {
+    role: string;
+    previousAdminRole: string;
+    newAdminRole: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace RoleGrantedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    account: AddressLike,
+    sender: AddressLike
+  ];
+  export type OutputTuple = [role: string, account: string, sender: string];
+  export interface OutputObject {
+    role: string;
+    account: string;
+    sender: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace RoleRevokedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    account: AddressLike,
+    sender: AddressLike
+  ];
+  export type OutputTuple = [role: string, account: string, sender: string];
+  export interface OutputObject {
+    role: string;
+    account: string;
+    sender: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace TransferEvent {
+  export type InputTuple = [
+    from: AddressLike,
+    to: AddressLike,
+    value: BigNumberish
+  ];
+  export type OutputTuple = [from: string, to: string, value: bigint];
+  export interface OutputObject {
+    from: string;
+    to: string;
+    value: bigint;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export interface AIToken extends BaseContract {
+  connect(runner?: ContractRunner | null): AIToken;
+  waitForDeployment(): Promise<this>;
+
+  interface: AITokenInterface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  ATTESTOR_ROLE: TypedContractMethod<[], [string], "view">;
+
+  COORDINATOR_ROLE: TypedContractMethod<[], [string], "view">;
+
+  DEFAULT_ADMIN_ROLE: TypedContractMethod<[], [string], "view">;
+
+  allowance: TypedContractMethod<
+    [owner: AddressLike, spender: AddressLike],
+    [bigint],
+    "view"
+  >;
+
+  approve: TypedContractMethod<
+    [spender: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  balanceOf: TypedContractMethod<[account: AddressLike], [bigint], "view">;
+
+  consumedReceipts: TypedContractMethod<[arg0: BytesLike], [boolean], "view">;
+
+  decimals: TypedContractMethod<[], [bigint], "view">;
+
+  getRoleAdmin: TypedContractMethod<[role: BytesLike], [string], "view">;
+
+  grantRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  hasRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [boolean],
+    "view"
+  >;
+
+  mintDigest: TypedContractMethod<
+    [provider: AddressLike, units: BigNumberish, receiptHash: BytesLike],
+    [string],
+    "view"
+  >;
+
+  mintWithReceipt: TypedContractMethod<
+    [
+      provider: AddressLike,
+      units: BigNumberish,
+      receiptHash: BytesLike,
+      signature: BytesLike
+    ],
+    [void],
+    "nonpayable"
+  >;
+
+  name: TypedContractMethod<[], [string], "view">;
+
+  renounceRole: TypedContractMethod<
+    [role: BytesLike, callerConfirmation: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  revokeRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  supportsInterface: TypedContractMethod<
+    [interfaceId: BytesLike],
+    [boolean],
+    "view"
+  >;
+
+  symbol: TypedContractMethod<[], [string], "view">;
+
+  totalSupply: TypedContractMethod<[], [bigint], "view">;
+
+  transfer: TypedContractMethod<
+    [to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  transferFrom: TypedContractMethod<
+    [from: AddressLike, to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  getFunction(
+    nameOrSignature: "ATTESTOR_ROLE"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "COORDINATOR_ROLE"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "DEFAULT_ADMIN_ROLE"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "allowance"
+  ): TypedContractMethod<
+    [owner: AddressLike, spender: AddressLike],
+    [bigint],
+    "view"
+  >;
+  getFunction(
+    nameOrSignature: "approve"
+  ): TypedContractMethod<
+    [spender: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "balanceOf"
+  ): TypedContractMethod<[account: AddressLike], [bigint], "view">;
+  getFunction(
+    nameOrSignature: "consumedReceipts"
+  ): TypedContractMethod<[arg0: BytesLike], [boolean], "view">;
+  getFunction(
+    nameOrSignature: "decimals"
+  ): TypedContractMethod<[], [bigint], "view">;
+  getFunction(
+    nameOrSignature: "getRoleAdmin"
+  ): TypedContractMethod<[role: BytesLike], [string], "view">;
+  getFunction(
+    nameOrSignature: "grantRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "hasRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [boolean],
+    "view"
+  >;
+  getFunction(
+    nameOrSignature: "mintDigest"
+  ): TypedContractMethod<
+    [provider: AddressLike, units: BigNumberish, receiptHash: BytesLike],
+    [string],
+    "view"
+  >;
+  getFunction(
+    nameOrSignature: "mintWithReceipt"
+  ): TypedContractMethod<
+    [
+      provider: AddressLike,
+      units: BigNumberish,
+      receiptHash: BytesLike,
+      signature: BytesLike
+    ],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "name"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "renounceRole"
+  ): TypedContractMethod<
+    [role: BytesLike, callerConfirmation: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "revokeRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "supportsInterface"
+  ): TypedContractMethod<[interfaceId: BytesLike], [boolean], "view">;
+  getFunction(
+    nameOrSignature: "symbol"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "totalSupply"
+  ): TypedContractMethod<[], [bigint], "view">;
+  getFunction(
+    nameOrSignature: "transfer"
+  ): TypedContractMethod<
+    [to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "transferFrom"
+  ): TypedContractMethod<
+    [from: AddressLike, to: AddressLike, value: BigNumberish],
+    [boolean],
+    "nonpayable"
+  >;
+
+  getEvent(
+    key: "Approval"
+  ): TypedContractEvent<
+    ApprovalEvent.InputTuple,
+    ApprovalEvent.OutputTuple,
+    ApprovalEvent.OutputObject
+  >;
+  getEvent(
+    key: "ReceiptConsumed"
+  ): TypedContractEvent<
+    ReceiptConsumedEvent.InputTuple,
+    ReceiptConsumedEvent.OutputTuple,
+    ReceiptConsumedEvent.OutputObject
+  >;
+  getEvent(
+    key: "RoleAdminChanged"
+  ): TypedContractEvent<
+    RoleAdminChangedEvent.InputTuple,
+    RoleAdminChangedEvent.OutputTuple,
+    RoleAdminChangedEvent.OutputObject
+  >;
+  getEvent(
+    key: "RoleGranted"
+  ): TypedContractEvent<
+    RoleGrantedEvent.InputTuple,
+    RoleGrantedEvent.OutputTuple,
+    RoleGrantedEvent.OutputObject
+  >;
+  getEvent(
+    key: "RoleRevoked"
+  ): TypedContractEvent<
+    RoleRevokedEvent.InputTuple,
+    RoleRevokedEvent.OutputTuple,
+    RoleRevokedEvent.OutputObject
+  >;
+  getEvent(
+    key: "Transfer"
+  ): TypedContractEvent<
+    TransferEvent.InputTuple,
+    TransferEvent.OutputTuple,
+    TransferEvent.OutputObject
+  >;
+
+  filters: {
+    "Approval(address,address,uint256)": TypedContractEvent<
+      ApprovalEvent.InputTuple,
+      ApprovalEvent.OutputTuple,
+      ApprovalEvent.OutputObject
+    >;
+    Approval: TypedContractEvent<
+      ApprovalEvent.InputTuple,
+      ApprovalEvent.OutputTuple,
+      ApprovalEvent.OutputObject
+    >;
+
+    "ReceiptConsumed(bytes32,address,uint256,address)": TypedContractEvent<
+      ReceiptConsumedEvent.InputTuple,
+      ReceiptConsumedEvent.OutputTuple,
+      ReceiptConsumedEvent.OutputObject
+    >;
+    ReceiptConsumed: TypedContractEvent<
+      ReceiptConsumedEvent.InputTuple,
+      ReceiptConsumedEvent.OutputTuple,
+      ReceiptConsumedEvent.OutputObject
+    >;
+
+    "RoleAdminChanged(bytes32,bytes32,bytes32)": TypedContractEvent<
+      RoleAdminChangedEvent.InputTuple,
+      RoleAdminChangedEvent.OutputTuple,
+      RoleAdminChangedEvent.OutputObject
+    >;
+    RoleAdminChanged: TypedContractEvent<
+      RoleAdminChangedEvent.InputTuple,
+      RoleAdminChangedEvent.OutputTuple,
+      RoleAdminChangedEvent.OutputObject
+    >;
+
+    "RoleGranted(bytes32,address,address)": TypedContractEvent<
+      RoleGrantedEvent.InputTuple,
+      RoleGrantedEvent.OutputTuple,
+      RoleGrantedEvent.OutputObject
+    >;
+    RoleGranted: TypedContractEvent<
+      RoleGrantedEvent.InputTuple,
+      RoleGrantedEvent.OutputTuple,
+      RoleGrantedEvent.OutputObject
+    >;
+
+    "RoleRevoked(bytes32,address,address)": TypedContractEvent<
+      RoleRevokedEvent.InputTuple,
+      RoleRevokedEvent.OutputTuple,
+      RoleRevokedEvent.OutputObject
+    >;
+    RoleRevoked: TypedContractEvent<
+      RoleRevokedEvent.InputTuple,
+      RoleRevokedEvent.OutputTuple,
+      RoleRevokedEvent.OutputObject
+    >;
+
+    "Transfer(address,address,uint256)": TypedContractEvent<
+      TransferEvent.InputTuple,
+      TransferEvent.OutputTuple,
+      TransferEvent.OutputObject
+    >;
+    Transfer: TypedContractEvent<
+      TransferEvent.InputTuple,
+      TransferEvent.OutputTuple,
+      TransferEvent.OutputObject
+    >;
+  };
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/contracts/AITokenRegistry.ts b/packages/solidity/aitbc-token/typechain-types/contracts/AITokenRegistry.ts
new file mode 100644
index 0000000..36577d0
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/contracts/AITokenRegistry.ts
@@ -0,0 +1,512 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type {
+  BaseContract,
+  BigNumberish,
+  BytesLike,
+  FunctionFragment,
+  Result,
+  Interface,
+  EventFragment,
+  AddressLike,
+  ContractRunner,
+  ContractMethod,
+  Listener,
+} from "ethers";
+import type {
+  TypedContractEvent,
+  TypedDeferredTopicFilter,
+  TypedEventLog,
+  TypedLogDescription,
+  TypedListener,
+  TypedContractMethod,
+} from "../common";
+
+export declare namespace AITokenRegistry {
+  export type ProviderInfoStruct = {
+    active: boolean;
+    collateral: BigNumberish;
+  };
+
+  export type ProviderInfoStructOutput = [
+    active: boolean,
+    collateral: bigint
+  ] & { active: boolean; collateral: bigint };
+}
+
+export interface AITokenRegistryInterface extends Interface {
+  getFunction(
+    nameOrSignature:
+      | "COORDINATOR_ROLE"
+      | "DEFAULT_ADMIN_ROLE"
+      | "getRoleAdmin"
+      | "grantRole"
+      | "hasRole"
+      | "providerInfo"
+      | "providers"
+      | "registerProvider"
+      | "renounceRole"
+      | "revokeRole"
+      | "supportsInterface"
+      | "updateProvider"
+  ): FunctionFragment;
+
+  getEvent(
+    nameOrSignatureOrTopic:
+      | "ProviderRegistered"
+      | "ProviderUpdated"
+      | "RoleAdminChanged"
+      | "RoleGranted"
+      | "RoleRevoked"
+  ): EventFragment;
+
+  encodeFunctionData(
+    functionFragment: "COORDINATOR_ROLE",
+    values?: undefined
+  ): string;
+  encodeFunctionData(
+    functionFragment: "DEFAULT_ADMIN_ROLE",
+    values?: undefined
+  ): string;
+  encodeFunctionData(
+    functionFragment: "getRoleAdmin",
+    values: [BytesLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "grantRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "hasRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "providerInfo",
+    values: [AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "providers",
+    values: [AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "registerProvider",
+    values: [AddressLike, BigNumberish]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "renounceRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "revokeRole",
+    values: [BytesLike, AddressLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "supportsInterface",
+    values: [BytesLike]
+  ): string;
+  encodeFunctionData(
+    functionFragment: "updateProvider",
+    values: [AddressLike, boolean, BigNumberish]
+  ): string;
+
+  decodeFunctionResult(
+    functionFragment: "COORDINATOR_ROLE",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(
+    functionFragment: "DEFAULT_ADMIN_ROLE",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(
+    functionFragment: "getRoleAdmin",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "grantRole", data: BytesLike): Result;
+  decodeFunctionResult(functionFragment: "hasRole", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "providerInfo",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "providers", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "registerProvider",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(
+    functionFragment: "renounceRole",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(functionFragment: "revokeRole", data: BytesLike): Result;
+  decodeFunctionResult(
+    functionFragment: "supportsInterface",
+    data: BytesLike
+  ): Result;
+  decodeFunctionResult(
+    functionFragment: "updateProvider",
+    data: BytesLike
+  ): Result;
+}
+
+export namespace ProviderRegisteredEvent {
+  export type InputTuple = [provider: AddressLike, collateral: BigNumberish];
+  export type OutputTuple = [provider: string, collateral: bigint];
+  export interface OutputObject {
+    provider: string;
+    collateral: bigint;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace ProviderUpdatedEvent {
+  export type InputTuple = [
+    provider: AddressLike,
+    active: boolean,
+    collateral: BigNumberish
+  ];
+  export type OutputTuple = [
+    provider: string,
+    active: boolean,
+    collateral: bigint
+  ];
+  export interface OutputObject {
+    provider: string;
+    active: boolean;
+    collateral: bigint;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace RoleAdminChangedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    previousAdminRole: BytesLike,
+    newAdminRole: BytesLike
+  ];
+  export type OutputTuple = [
+    role: string,
+    previousAdminRole: string,
+    newAdminRole: string
+  ];
+  export interface OutputObject {
+    role: string;
+    previousAdminRole: string;
+    newAdminRole: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace RoleGrantedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    account: AddressLike,
+    sender: AddressLike
+  ];
+  export type OutputTuple = [role: string, account: string, sender: string];
+  export interface OutputObject {
+    role: string;
+    account: string;
+    sender: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export namespace RoleRevokedEvent {
+  export type InputTuple = [
+    role: BytesLike,
+    account: AddressLike,
+    sender: AddressLike
+  ];
+  export type OutputTuple = [role: string, account: string, sender: string];
+  export interface OutputObject {
+    role: string;
+    account: string;
+    sender: string;
+  }
+  export type Event = TypedContractEvent<InputTuple, OutputTuple, OutputObject>;
+  export type Filter = TypedDeferredTopicFilter<Event>;
+  export type Log = TypedEventLog<Event>;
+  export type LogDescription = TypedLogDescription<Event>;
+}
+
+export interface AITokenRegistry extends BaseContract {
+  connect(runner?: ContractRunner | null): AITokenRegistry;
+  waitForDeployment(): Promise<this>;
+
+  interface: AITokenRegistryInterface;
+
+  queryFilter<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+  queryFilter<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    fromBlockOrBlockhash?: string | number | undefined,
+    toBlock?: string | number | undefined
+  ): Promise<Array<TypedEventLog<TCEvent>>>;
+
+  on<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  on<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  once<TCEvent extends TypedContractEvent>(
+    event: TCEvent,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+  once<TCEvent extends TypedContractEvent>(
+    filter: TypedDeferredTopicFilter<TCEvent>,
+    listener: TypedListener<TCEvent>
+  ): Promise<this>;
+
+  listeners<TCEvent extends TypedContractEvent>(
+    event: TCEvent
+  ): Promise<Array<TypedListener<TCEvent>>>;
+  listeners(eventName?: string): Promise<Array<Listener>>;
+  removeAllListeners<TCEvent extends TypedContractEvent>(
+    event?: TCEvent
+  ): Promise<this>;
+
+  COORDINATOR_ROLE: TypedContractMethod<[], [string], "view">;
+
+  DEFAULT_ADMIN_ROLE: TypedContractMethod<[], [string], "view">;
+
+  getRoleAdmin: TypedContractMethod<[role: BytesLike], [string], "view">;
+
+  grantRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  hasRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [boolean],
+    "view"
+  >;
+
+  providerInfo: TypedContractMethod<
+    [provider: AddressLike],
+    [AITokenRegistry.ProviderInfoStructOutput],
+    "view"
+  >;
+
+  providers: TypedContractMethod<
+    [arg0: AddressLike],
+    [[boolean, bigint] & { active: boolean; collateral: bigint }],
+    "view"
+  >;
+
+  registerProvider: TypedContractMethod<
+    [provider: AddressLike, collateral: BigNumberish],
+    [void],
+    "nonpayable"
+  >;
+
+  renounceRole: TypedContractMethod<
+    [role: BytesLike, callerConfirmation: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  revokeRole: TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+
+  supportsInterface: TypedContractMethod<
+    [interfaceId: BytesLike],
+    [boolean],
+    "view"
+  >;
+
+  updateProvider: TypedContractMethod<
+    [provider: AddressLike, active: boolean, collateral: BigNumberish],
+    [void],
+    "nonpayable"
+  >;
+
+  getFunction<T extends ContractMethod = ContractMethod>(
+    key: string | FunctionFragment
+  ): T;
+
+  getFunction(
+    nameOrSignature: "COORDINATOR_ROLE"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "DEFAULT_ADMIN_ROLE"
+  ): TypedContractMethod<[], [string], "view">;
+  getFunction(
+    nameOrSignature: "getRoleAdmin"
+  ): TypedContractMethod<[role: BytesLike], [string], "view">;
+  getFunction(
+    nameOrSignature: "grantRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "hasRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [boolean],
+    "view"
+  >;
+  getFunction(
+    nameOrSignature: "providerInfo"
+  ): TypedContractMethod<
+    [provider: AddressLike],
+    [AITokenRegistry.ProviderInfoStructOutput],
+    "view"
+  >;
+  getFunction(
+    nameOrSignature: "providers"
+  ): TypedContractMethod<
+    [arg0: AddressLike],
+    [[boolean, bigint] & { active: boolean; collateral: bigint }],
+    "view"
+  >;
+  getFunction(
+    nameOrSignature: "registerProvider"
+  ): TypedContractMethod<
+    [provider: AddressLike, collateral: BigNumberish],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "renounceRole"
+  ): TypedContractMethod<
+    [role: BytesLike, callerConfirmation: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "revokeRole"
+  ): TypedContractMethod<
+    [role: BytesLike, account: AddressLike],
+    [void],
+    "nonpayable"
+  >;
+  getFunction(
+    nameOrSignature: "supportsInterface"
+  ): TypedContractMethod<[interfaceId: BytesLike], [boolean], "view">;
+  getFunction(
+    nameOrSignature: "updateProvider"
+  ): TypedContractMethod<
+    [provider: AddressLike, active: boolean, collateral: BigNumberish],
+    [void],
+    "nonpayable"
+  >;
+
+  getEvent(
+    key: "ProviderRegistered"
+  ): TypedContractEvent<
+    ProviderRegisteredEvent.InputTuple,
+    ProviderRegisteredEvent.OutputTuple,
+    ProviderRegisteredEvent.OutputObject
+  >;
+  getEvent(
+    key: "ProviderUpdated"
+  ): TypedContractEvent<
+    ProviderUpdatedEvent.InputTuple,
+    ProviderUpdatedEvent.OutputTuple,
+    ProviderUpdatedEvent.OutputObject
+  >;
+  getEvent(
+    key: "RoleAdminChanged"
+  ): TypedContractEvent<
+    RoleAdminChangedEvent.InputTuple,
+    RoleAdminChangedEvent.OutputTuple,
+    RoleAdminChangedEvent.OutputObject
+  >;
+  getEvent(
+    key: "RoleGranted"
+  ): TypedContractEvent<
+    RoleGrantedEvent.InputTuple,
+    RoleGrantedEvent.OutputTuple,
+    RoleGrantedEvent.OutputObject
+  >;
+  getEvent(
+    key: "RoleRevoked"
+  ): TypedContractEvent<
+    RoleRevokedEvent.InputTuple,
+    RoleRevokedEvent.OutputTuple,
+    RoleRevokedEvent.OutputObject
+  >;
+
+  filters: {
+    "ProviderRegistered(address,uint256)": TypedContractEvent<
+      ProviderRegisteredEvent.InputTuple,
+      ProviderRegisteredEvent.OutputTuple,
+      ProviderRegisteredEvent.OutputObject
+    >;
+    ProviderRegistered: TypedContractEvent<
+      ProviderRegisteredEvent.InputTuple,
+      ProviderRegisteredEvent.OutputTuple,
+      ProviderRegisteredEvent.OutputObject
+    >;
+
+    "ProviderUpdated(address,bool,uint256)": TypedContractEvent<
+      ProviderUpdatedEvent.InputTuple,
+      ProviderUpdatedEvent.OutputTuple,
+      ProviderUpdatedEvent.OutputObject
+    >;
+    ProviderUpdated: TypedContractEvent<
+      ProviderUpdatedEvent.InputTuple,
+      ProviderUpdatedEvent.OutputTuple,
+      ProviderUpdatedEvent.OutputObject
+    >;
+
+    "RoleAdminChanged(bytes32,bytes32,bytes32)": TypedContractEvent<
+      RoleAdminChangedEvent.InputTuple,
+      RoleAdminChangedEvent.OutputTuple,
+      RoleAdminChangedEvent.OutputObject
+    >;
+    RoleAdminChanged: TypedContractEvent<
+      RoleAdminChangedEvent.InputTuple,
+      RoleAdminChangedEvent.OutputTuple,
+      RoleAdminChangedEvent.OutputObject
+    >;
+
+    "RoleGranted(bytes32,address,address)": TypedContractEvent<
+      RoleGrantedEvent.InputTuple,
+      RoleGrantedEvent.OutputTuple,
+      RoleGrantedEvent.OutputObject
+    >;
+    RoleGranted: TypedContractEvent<
+      RoleGrantedEvent.InputTuple,
+      RoleGrantedEvent.OutputTuple,
+      RoleGrantedEvent.OutputObject
+    >;
+
+    "RoleRevoked(bytes32,address,address)": TypedContractEvent<
+      RoleRevokedEvent.InputTuple,
+      RoleRevokedEvent.OutputTuple,
+      RoleRevokedEvent.OutputObject
+    >;
+    RoleRevoked: TypedContractEvent<
+      RoleRevokedEvent.InputTuple,
+      RoleRevokedEvent.OutputTuple,
+      RoleRevokedEvent.OutputObject
+    >;
+  };
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/contracts/index.ts b/packages/solidity/aitbc-token/typechain-types/contracts/index.ts
new file mode 100644
index 0000000..2a6b1e1
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/contracts/index.ts
@@ -0,0 +1,5 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export type { AIToken } from "./AIToken";
+export type { AITokenRegistry } from "./AITokenRegistry";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/access/AccessControl__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/access/AccessControl__factory.ts
new file mode 100644
index 0000000..c01e1f5
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/access/AccessControl__factory.ts
@@ -0,0 +1,250 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { Contract, Interface, type ContractRunner } from "ethers";
+import type {
+  AccessControl,
+  AccessControlInterface,
+} from "../../../../@openzeppelin/contracts/access/AccessControl";
+
+const _abi = [
+  {
+    inputs: [],
+    name: "AccessControlBadConfirmation",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        internalType: "bytes32",
+        name: "neededRole",
+        type: "bytes32",
+      },
+    ],
+    name: "AccessControlUnauthorizedAccount",
+    type: "error",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "previousAdminRole",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "newAdminRole",
+        type: "bytes32",
+      },
+    ],
+    name: "RoleAdminChanged",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "RoleGranted",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "RoleRevoked",
+    type: "event",
+  },
+  {
+    inputs: [],
+    name: "DEFAULT_ADMIN_ROLE",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+    ],
+    name: "getRoleAdmin",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "grantRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "hasRole",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "callerConfirmation",
+        type: "address",
+      },
+    ],
+    name: "renounceRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "revokeRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes4",
+        name: "interfaceId",
+        type: "bytes4",
+      },
+    ],
+    name: "supportsInterface",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+] as const;
+
+export class AccessControl__factory {
+  static readonly abi = _abi;
+  static createInterface(): AccessControlInterface {
+    return new Interface(_abi) as AccessControlInterface;
+  }
+  static connect(
+    address: string,
+    runner?: ContractRunner | null
+  ): AccessControl {
+    return new Contract(address, _abi, runner) as unknown as AccessControl;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/access/IAccessControl__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/access/IAccessControl__factory.ts
new file mode 100644
index 0000000..d1e3523
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/access/IAccessControl__factory.ts
@@ -0,0 +1,218 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { Contract, Interface, type ContractRunner } from "ethers";
+import type {
+  IAccessControl,
+  IAccessControlInterface,
+} from "../../../../@openzeppelin/contracts/access/IAccessControl";
+
+const _abi = [
+  {
+    inputs: [],
+    name: "AccessControlBadConfirmation",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        internalType: "bytes32",
+        name: "neededRole",
+        type: "bytes32",
+      },
+    ],
+    name: "AccessControlUnauthorizedAccount",
+    type: "error",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "previousAdminRole",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "newAdminRole",
+        type: "bytes32",
+      },
+    ],
+    name: "RoleAdminChanged",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "RoleGranted",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "RoleRevoked",
+    type: "event",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+    ],
+    name: "getRoleAdmin",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "grantRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "hasRole",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "callerConfirmation",
+        type: "address",
+      },
+    ],
+    name: "renounceRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "revokeRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+] as const;
+
+export class IAccessControl__factory {
+  static readonly abi = _abi;
+  static createInterface(): IAccessControlInterface {
+    return new Interface(_abi) as IAccessControlInterface;
+  }
+  static connect(
+    address: string,
+    runner?: ContractRunner | null
+  ): IAccessControl {
+    return new Contract(address, _abi, runner) as unknown as IAccessControl;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/access/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/access/index.ts
new file mode 100644
index 0000000..b42435d
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/access/index.ts
@@ -0,0 +1,5 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export { AccessControl__factory } from "./AccessControl__factory";
+export { IAccessControl__factory } from "./IAccessControl__factory";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/index.ts
new file mode 100644
index 0000000..d81ac1a
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/index.ts
@@ -0,0 +1,7 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export * as access from "./access";
+export * as interfaces from "./interfaces";
+export * as token from "./token";
+export * as utils from "./utils";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors__factory.ts
new file mode 100644
index 0000000..0413f8c
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors__factory.ts
@@ -0,0 +1,127 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { Contract, Interface, type ContractRunner } from "ethers";
+import type {
+  IERC1155Errors,
+  IERC1155ErrorsInterface,
+} from "../../../../../@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors";
+
+const _abi = [
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "balance",
+        type: "uint256",
+      },
+      {
+        internalType: "uint256",
+        name: "needed",
+        type: "uint256",
+      },
+      {
+        internalType: "uint256",
+        name: "tokenId",
+        type: "uint256",
+      },
+    ],
+    name: "ERC1155InsufficientBalance",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "approver",
+        type: "address",
+      },
+    ],
+    name: "ERC1155InvalidApprover",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "uint256",
+        name: "idsLength",
+        type: "uint256",
+      },
+      {
+        internalType: "uint256",
+        name: "valuesLength",
+        type: "uint256",
+      },
+    ],
+    name: "ERC1155InvalidArrayLength",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "operator",
+        type: "address",
+      },
+    ],
+    name: "ERC1155InvalidOperator",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "receiver",
+        type: "address",
+      },
+    ],
+    name: "ERC1155InvalidReceiver",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "ERC1155InvalidSender",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "operator",
+        type: "address",
+      },
+      {
+        internalType: "address",
+        name: "owner",
+        type: "address",
+      },
+    ],
+    name: "ERC1155MissingApprovalForAll",
+    type: "error",
+  },
+] as const;
+
+export class IERC1155Errors__factory {
+  static readonly abi = _abi;
+  static createInterface(): IERC1155ErrorsInterface {
+    return new Interface(_abi) as IERC1155ErrorsInterface;
+  }
+  static connect(
+    address: string,
+    runner?: ContractRunner | null
+  ): IERC1155Errors {
+    return new Contract(address, _abi, runner) as unknown as IERC1155Errors;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors__factory.ts
new file mode 100644
index 0000000..695f3f0
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors__factory.ts
@@ -0,0 +1,111 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { Contract, Interface, type ContractRunner } from "ethers";
+import type {
+  IERC20Errors,
+  IERC20ErrorsInterface,
+} from "../../../../../@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors";
+
+const _abi = [
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "allowance",
+        type: "uint256",
+      },
+      {
+        internalType: "uint256",
+        name: "needed",
+        type: "uint256",
+      },
+    ],
+    name: "ERC20InsufficientAllowance",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "balance",
+        type: "uint256",
+      },
+      {
+        internalType: "uint256",
+        name: "needed",
+        type: "uint256",
+      },
+    ],
+    name: "ERC20InsufficientBalance",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "approver",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidApprover",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "receiver",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidReceiver",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidSender",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidSpender",
+    type: "error",
+  },
+] as const;
+
+export class IERC20Errors__factory {
+  static readonly abi = _abi;
+  static createInterface(): IERC20ErrorsInterface {
+    return new Interface(_abi) as IERC20ErrorsInterface;
+  }
+  static connect(
+    address: string,
+    runner?: ContractRunner | null
+  ): IERC20Errors {
+    return new Contract(address, _abi, runner) as unknown as IERC20Errors;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors__factory.ts
new file mode 100644
index 0000000..8615d4d
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors__factory.ts
@@ -0,0 +1,128 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { Contract, Interface, type ContractRunner } from "ethers";
+import type {
+  IERC721Errors,
+  IERC721ErrorsInterface,
+} from "../../../../../@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors";
+
+const _abi = [
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "tokenId",
+        type: "uint256",
+      },
+      {
+        internalType: "address",
+        name: "owner",
+        type: "address",
+      },
+    ],
+    name: "ERC721IncorrectOwner",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "operator",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "tokenId",
+        type: "uint256",
+      },
+    ],
+    name: "ERC721InsufficientApproval",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "approver",
+        type: "address",
+      },
+    ],
+    name: "ERC721InvalidApprover",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "operator",
+        type: "address",
+      },
+    ],
+    name: "ERC721InvalidOperator",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "owner",
+        type: "address",
+      },
+    ],
+    name: "ERC721InvalidOwner",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "receiver",
+        type: "address",
+      },
+    ],
+    name: "ERC721InvalidReceiver",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "ERC721InvalidSender",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "uint256",
+        name: "tokenId",
+        type: "uint256",
+      },
+    ],
+    name: "ERC721NonexistentToken",
+    type: "error",
+  },
+] as const;
+
+export class IERC721Errors__factory {
+  static readonly abi = _abi;
+  static createInterface(): IERC721ErrorsInterface {
+    return new Interface(_abi) as IERC721ErrorsInterface;
+  }
+  static connect(
+    address: string,
+    runner?: ContractRunner | null
+  ): IERC721Errors {
+    return new Contract(address, _abi, runner) as unknown as IERC721Errors;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/index.ts
new file mode 100644
index 0000000..571330e
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/index.ts
@@ -0,0 +1,6 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export { IERC1155Errors__factory } from "./IERC1155Errors__factory";
+export { IERC20Errors__factory } from "./IERC20Errors__factory";
+export { IERC721Errors__factory } from "./IERC721Errors__factory";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/index.ts
new file mode 100644
index 0000000..82d047e
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/interfaces/index.ts
@@ -0,0 +1,4 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export * as draftIerc6093Sol from "./draft-IERC6093.sol";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/ERC20__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/ERC20__factory.ts
new file mode 100644
index 0000000..5d8981a
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/ERC20__factory.ts
@@ -0,0 +1,330 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { Contract, Interface, type ContractRunner } from "ethers";
+import type {
+  ERC20,
+  ERC20Interface,
+} from "../../../../../@openzeppelin/contracts/token/ERC20/ERC20";
+
+const _abi = [
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "allowance",
+        type: "uint256",
+      },
+      {
+        internalType: "uint256",
+        name: "needed",
+        type: "uint256",
+      },
+    ],
+    name: "ERC20InsufficientAllowance",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "balance",
+        type: "uint256",
+      },
+      {
+        internalType: "uint256",
+        name: "needed",
+        type: "uint256",
+      },
+    ],
+    name: "ERC20InsufficientBalance",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "approver",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidApprover",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "receiver",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidReceiver",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidSender",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidSpender",
+    type: "error",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "address",
+        name: "owner",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "Approval",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "address",
+        name: "from",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "Transfer",
+    type: "event",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "owner",
+        type: "address",
+      },
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+    ],
+    name: "allowance",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "approve",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "balanceOf",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "decimals",
+    outputs: [
+      {
+        internalType: "uint8",
+        name: "",
+        type: "uint8",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "name",
+    outputs: [
+      {
+        internalType: "string",
+        name: "",
+        type: "string",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "symbol",
+    outputs: [
+      {
+        internalType: "string",
+        name: "",
+        type: "string",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "totalSupply",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "transfer",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "from",
+        type: "address",
+      },
+      {
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "transferFrom",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+] as const;
+
+export class ERC20__factory {
+  static readonly abi = _abi;
+  static createInterface(): ERC20Interface {
+    return new Interface(_abi) as ERC20Interface;
+  }
+  static connect(address: string, runner?: ContractRunner | null): ERC20 {
+    return new Contract(address, _abi, runner) as unknown as ERC20;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/IERC20__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/IERC20__factory.ts
new file mode 100644
index 0000000..6768448
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/IERC20__factory.ts
@@ -0,0 +1,205 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { Contract, Interface, type ContractRunner } from "ethers";
+import type {
+  IERC20,
+  IERC20Interface,
+} from "../../../../../@openzeppelin/contracts/token/ERC20/IERC20";
+
+const _abi = [
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "address",
+        name: "owner",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "Approval",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "address",
+        name: "from",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "Transfer",
+    type: "event",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "owner",
+        type: "address",
+      },
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+    ],
+    name: "allowance",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "approve",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "balanceOf",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "totalSupply",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "transfer",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "from",
+        type: "address",
+      },
+      {
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "transferFrom",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+] as const;
+
+export class IERC20__factory {
+  static readonly abi = _abi;
+  static createInterface(): IERC20Interface {
+    return new Interface(_abi) as IERC20Interface;
+  }
+  static connect(address: string, runner?: ContractRunner | null): IERC20 {
+    return new Contract(address, _abi, runner) as unknown as IERC20;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata__factory.ts
new file mode 100644
index 0000000..80abf96
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata__factory.ts
@@ -0,0 +1,247 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { Contract, Interface, type ContractRunner } from "ethers";
+import type {
+  IERC20Metadata,
+  IERC20MetadataInterface,
+} from "../../../../../../@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata";
+
+const _abi = [
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "address",
+        name: "owner",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "Approval",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "address",
+        name: "from",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "Transfer",
+    type: "event",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "owner",
+        type: "address",
+      },
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+    ],
+    name: "allowance",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "approve",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "balanceOf",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "decimals",
+    outputs: [
+      {
+        internalType: "uint8",
+        name: "",
+        type: "uint8",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "name",
+    outputs: [
+      {
+        internalType: "string",
+        name: "",
+        type: "string",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "symbol",
+    outputs: [
+      {
+        internalType: "string",
+        name: "",
+        type: "string",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "totalSupply",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "transfer",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "from",
+        type: "address",
+      },
+      {
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "transferFrom",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+] as const;
+
+export class IERC20Metadata__factory {
+  static readonly abi = _abi;
+  static createInterface(): IERC20MetadataInterface {
+    return new Interface(_abi) as IERC20MetadataInterface;
+  }
+  static connect(
+    address: string,
+    runner?: ContractRunner | null
+  ): IERC20Metadata {
+    return new Contract(address, _abi, runner) as unknown as IERC20Metadata;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/extensions/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/extensions/index.ts
new file mode 100644
index 0000000..b9477f8
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/extensions/index.ts
@@ -0,0 +1,4 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export { IERC20Metadata__factory } from "./IERC20Metadata__factory";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/index.ts
new file mode 100644
index 0000000..3523dc7
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/ERC20/index.ts
@@ -0,0 +1,6 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export * as extensions from "./extensions";
+export { ERC20__factory } from "./ERC20__factory";
+export { IERC20__factory } from "./IERC20__factory";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/index.ts
new file mode 100644
index 0000000..da1e061
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/token/index.ts
@@ -0,0 +1,4 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export * as erc20 from "./ERC20";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/Strings__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/Strings__factory.ts
new file mode 100644
index 0000000..3bea47f
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/Strings__factory.ts
@@ -0,0 +1,90 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import {
+  Contract,
+  ContractFactory,
+  ContractTransactionResponse,
+  Interface,
+} from "ethers";
+import type { Signer, ContractDeployTransaction, ContractRunner } from "ethers";
+import type { NonPayableOverrides } from "../../../../common";
+import type {
+  Strings,
+  StringsInterface,
+} from "../../../../@openzeppelin/contracts/utils/Strings";
+
+const _abi = [
+  {
+    inputs: [
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+      {
+        internalType: "uint256",
+        name: "length",
+        type: "uint256",
+      },
+    ],
+    name: "StringsInsufficientHexLength",
+    type: "error",
+  },
+  {
+    inputs: [],
+    name: "StringsInvalidAddressFormat",
+    type: "error",
+  },
+  {
+    inputs: [],
+    name: "StringsInvalidChar",
+    type: "error",
+  },
+] as const;
+
+const _bytecode =
+  "0x60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220d3fa6b95cf4f76e64227a9b2373ccb228efd9715fd7983e0646867999cceb9fb64736f6c63430008180033";
+
+type StringsConstructorParams =
+  | [signer?: Signer]
+  | ConstructorParameters<typeof ContractFactory>;
+
+const isSuperArgs = (
+  xs: StringsConstructorParams
+): xs is ConstructorParameters<typeof ContractFactory> => xs.length > 1;
+
+export class Strings__factory extends ContractFactory {
+  constructor(...args: StringsConstructorParams) {
+    if (isSuperArgs(args)) {
+      super(...args);
+    } else {
+      super(_abi, _bytecode, args[0]);
+    }
+  }
+
+  override getDeployTransaction(
+    overrides?: NonPayableOverrides & { from?: string }
+  ): Promise<ContractDeployTransaction> {
+    return super.getDeployTransaction(overrides || {});
+  }
+  override deploy(overrides?: NonPayableOverrides & { from?: string }) {
+    return super.deploy(overrides || {}) as Promise<
+      Strings & {
+        deploymentTransaction(): ContractTransactionResponse;
+      }
+    >;
+  }
+  override connect(runner: ContractRunner | null): Strings__factory {
+    return super.connect(runner) as Strings__factory;
+  }
+
+  static readonly bytecode = _bytecode;
+  static readonly abi = _abi;
+  static createInterface(): StringsInterface {
+    return new Interface(_abi) as StringsInterface;
+  }
+  static connect(address: string, runner?: ContractRunner | null): Strings {
+    return new Contract(address, _abi, runner) as unknown as Strings;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/cryptography/ECDSA__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/cryptography/ECDSA__factory.ts
new file mode 100644
index 0000000..70a839d
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/cryptography/ECDSA__factory.ts
@@ -0,0 +1,91 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import {
+  Contract,
+  ContractFactory,
+  ContractTransactionResponse,
+  Interface,
+} from "ethers";
+import type { Signer, ContractDeployTransaction, ContractRunner } from "ethers";
+import type { NonPayableOverrides } from "../../../../../common";
+import type {
+  ECDSA,
+  ECDSAInterface,
+} from "../../../../../@openzeppelin/contracts/utils/cryptography/ECDSA";
+
+const _abi = [
+  {
+    inputs: [],
+    name: "ECDSAInvalidSignature",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "uint256",
+        name: "length",
+        type: "uint256",
+      },
+    ],
+    name: "ECDSAInvalidSignatureLength",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "s",
+        type: "bytes32",
+      },
+    ],
+    name: "ECDSAInvalidSignatureS",
+    type: "error",
+  },
+] as const;
+
+const _bytecode =
+  "0x60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220a02ae933cd95f2ee943a9a3e5cbf4c6b7a6f7cc463d2cb58fac8fce23a0ba09464736f6c63430008180033";
+
+type ECDSAConstructorParams =
+  | [signer?: Signer]
+  | ConstructorParameters<typeof ContractFactory>;
+
+const isSuperArgs = (
+  xs: ECDSAConstructorParams
+): xs is ConstructorParameters<typeof ContractFactory> => xs.length > 1;
+
+export class ECDSA__factory extends ContractFactory {
+  constructor(...args: ECDSAConstructorParams) {
+    if (isSuperArgs(args)) {
+      super(...args);
+    } else {
+      super(_abi, _bytecode, args[0]);
+    }
+  }
+
+  override getDeployTransaction(
+    overrides?: NonPayableOverrides & { from?: string }
+  ): Promise<ContractDeployTransaction> {
+    return super.getDeployTransaction(overrides || {});
+  }
+  override deploy(overrides?: NonPayableOverrides & { from?: string }) {
+    return super.deploy(overrides || {}) as Promise<
+      ECDSA & {
+        deploymentTransaction(): ContractTransactionResponse;
+      }
+    >;
+  }
+  override connect(runner: ContractRunner | null): ECDSA__factory {
+    return super.connect(runner) as ECDSA__factory;
+  }
+
+  static readonly bytecode = _bytecode;
+  static readonly abi = _abi;
+  static createInterface(): ECDSAInterface {
+    return new Interface(_abi) as ECDSAInterface;
+  }
+  static connect(address: string, runner?: ContractRunner | null): ECDSA {
+    return new Contract(address, _abi, runner) as unknown as ECDSA;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/cryptography/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/cryptography/index.ts
new file mode 100644
index 0000000..cac1a83
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/cryptography/index.ts
@@ -0,0 +1,4 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export { ECDSA__factory } from "./ECDSA__factory";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/index.ts
new file mode 100644
index 0000000..f7afef4
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/index.ts
@@ -0,0 +1,7 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export * as cryptography from "./cryptography";
+export * as introspection from "./introspection";
+export * as math from "./math";
+export { Strings__factory } from "./Strings__factory";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/introspection/ERC165__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/introspection/ERC165__factory.ts
new file mode 100644
index 0000000..8388afb
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/introspection/ERC165__factory.ts
@@ -0,0 +1,41 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { Contract, Interface, type ContractRunner } from "ethers";
+import type {
+  ERC165,
+  ERC165Interface,
+} from "../../../../../@openzeppelin/contracts/utils/introspection/ERC165";
+
+const _abi = [
+  {
+    inputs: [
+      {
+        internalType: "bytes4",
+        name: "interfaceId",
+        type: "bytes4",
+      },
+    ],
+    name: "supportsInterface",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+] as const;
+
+export class ERC165__factory {
+  static readonly abi = _abi;
+  static createInterface(): ERC165Interface {
+    return new Interface(_abi) as ERC165Interface;
+  }
+  static connect(address: string, runner?: ContractRunner | null): ERC165 {
+    return new Contract(address, _abi, runner) as unknown as ERC165;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/introspection/IERC165__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/introspection/IERC165__factory.ts
new file mode 100644
index 0000000..5cc0394
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/introspection/IERC165__factory.ts
@@ -0,0 +1,41 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { Contract, Interface, type ContractRunner } from "ethers";
+import type {
+  IERC165,
+  IERC165Interface,
+} from "../../../../../@openzeppelin/contracts/utils/introspection/IERC165";
+
+const _abi = [
+  {
+    inputs: [
+      {
+        internalType: "bytes4",
+        name: "interfaceId",
+        type: "bytes4",
+      },
+    ],
+    name: "supportsInterface",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+] as const;
+
+export class IERC165__factory {
+  static readonly abi = _abi;
+  static createInterface(): IERC165Interface {
+    return new Interface(_abi) as IERC165Interface;
+  }
+  static connect(address: string, runner?: ContractRunner | null): IERC165 {
+    return new Contract(address, _abi, runner) as unknown as IERC165;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/introspection/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/introspection/index.ts
new file mode 100644
index 0000000..8523e0a
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/introspection/index.ts
@@ -0,0 +1,5 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export { ERC165__factory } from "./ERC165__factory";
+export { IERC165__factory } from "./IERC165__factory";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/math/SafeCast__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/math/SafeCast__factory.ts
new file mode 100644
index 0000000..ab3b882
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/math/SafeCast__factory.ts
@@ -0,0 +1,118 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import {
+  Contract,
+  ContractFactory,
+  ContractTransactionResponse,
+  Interface,
+} from "ethers";
+import type { Signer, ContractDeployTransaction, ContractRunner } from "ethers";
+import type { NonPayableOverrides } from "../../../../../common";
+import type {
+  SafeCast,
+  SafeCastInterface,
+} from "../../../../../@openzeppelin/contracts/utils/math/SafeCast";
+
+const _abi = [
+  {
+    inputs: [
+      {
+        internalType: "uint8",
+        name: "bits",
+        type: "uint8",
+      },
+      {
+        internalType: "int256",
+        name: "value",
+        type: "int256",
+      },
+    ],
+    name: "SafeCastOverflowedIntDowncast",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "int256",
+        name: "value",
+        type: "int256",
+      },
+    ],
+    name: "SafeCastOverflowedIntToUint",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "uint8",
+        name: "bits",
+        type: "uint8",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "SafeCastOverflowedUintDowncast",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "SafeCastOverflowedUintToInt",
+    type: "error",
+  },
+] as const;
+
+const _bytecode =
+  "0x60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea26469706673582212201c97bba8d553a67561101942b2a9afa3628667de55efed8df898d3aab783793c64736f6c63430008180033";
+
+type SafeCastConstructorParams =
+  | [signer?: Signer]
+  | ConstructorParameters<typeof ContractFactory>;
+
+const isSuperArgs = (
+  xs: SafeCastConstructorParams
+): xs is ConstructorParameters<typeof ContractFactory> => xs.length > 1;
+
+export class SafeCast__factory extends ContractFactory {
+  constructor(...args: SafeCastConstructorParams) {
+    if (isSuperArgs(args)) {
+      super(...args);
+    } else {
+      super(_abi, _bytecode, args[0]);
+    }
+  }
+
+  override getDeployTransaction(
+    overrides?: NonPayableOverrides & { from?: string }
+  ): Promise<ContractDeployTransaction> {
+    return super.getDeployTransaction(overrides || {});
+  }
+  override deploy(overrides?: NonPayableOverrides & { from?: string }) {
+    return super.deploy(overrides || {}) as Promise<
+      SafeCast & {
+        deploymentTransaction(): ContractTransactionResponse;
+      }
+    >;
+  }
+  override connect(runner: ContractRunner | null): SafeCast__factory {
+    return super.connect(runner) as SafeCast__factory;
+  }
+
+  static readonly bytecode = _bytecode;
+  static readonly abi = _abi;
+  static createInterface(): SafeCastInterface {
+    return new Interface(_abi) as SafeCastInterface;
+  }
+  static connect(address: string, runner?: ContractRunner | null): SafeCast {
+    return new Contract(address, _abi, runner) as unknown as SafeCast;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/math/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/math/index.ts
new file mode 100644
index 0000000..d0f3e01
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/contracts/utils/math/index.ts
@@ -0,0 +1,4 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export { SafeCast__factory } from "./SafeCast__factory";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/index.ts
new file mode 100644
index 0000000..6397da0
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/@openzeppelin/index.ts
@@ -0,0 +1,4 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export * as contracts from "./contracts";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/contracts/AITokenRegistry__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/contracts/AITokenRegistry__factory.ts
new file mode 100644
index 0000000..78bf45f
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/contracts/AITokenRegistry__factory.ts
@@ -0,0 +1,465 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import {
+  Contract,
+  ContractFactory,
+  ContractTransactionResponse,
+  Interface,
+} from "ethers";
+import type {
+  Signer,
+  AddressLike,
+  ContractDeployTransaction,
+  ContractRunner,
+} from "ethers";
+import type { NonPayableOverrides } from "../../common";
+import type {
+  AITokenRegistry,
+  AITokenRegistryInterface,
+} from "../../contracts/AITokenRegistry";
+
+const _abi = [
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "admin",
+        type: "address",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "constructor",
+  },
+  {
+    inputs: [],
+    name: "AccessControlBadConfirmation",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        internalType: "bytes32",
+        name: "neededRole",
+        type: "bytes32",
+      },
+    ],
+    name: "AccessControlUnauthorizedAccount",
+    type: "error",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "address",
+        name: "provider",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "collateral",
+        type: "uint256",
+      },
+    ],
+    name: "ProviderRegistered",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "address",
+        name: "provider",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "bool",
+        name: "active",
+        type: "bool",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "collateral",
+        type: "uint256",
+      },
+    ],
+    name: "ProviderUpdated",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "previousAdminRole",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "newAdminRole",
+        type: "bytes32",
+      },
+    ],
+    name: "RoleAdminChanged",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "RoleGranted",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "RoleRevoked",
+    type: "event",
+  },
+  {
+    inputs: [],
+    name: "COORDINATOR_ROLE",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "DEFAULT_ADMIN_ROLE",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+    ],
+    name: "getRoleAdmin",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "grantRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "hasRole",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "provider",
+        type: "address",
+      },
+    ],
+    name: "providerInfo",
+    outputs: [
+      {
+        components: [
+          {
+            internalType: "bool",
+            name: "active",
+            type: "bool",
+          },
+          {
+            internalType: "uint256",
+            name: "collateral",
+            type: "uint256",
+          },
+        ],
+        internalType: "struct AITokenRegistry.ProviderInfo",
+        name: "",
+        type: "tuple",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "",
+        type: "address",
+      },
+    ],
+    name: "providers",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "active",
+        type: "bool",
+      },
+      {
+        internalType: "uint256",
+        name: "collateral",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "provider",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "collateral",
+        type: "uint256",
+      },
+    ],
+    name: "registerProvider",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "callerConfirmation",
+        type: "address",
+      },
+    ],
+    name: "renounceRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "revokeRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes4",
+        name: "interfaceId",
+        type: "bytes4",
+      },
+    ],
+    name: "supportsInterface",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "provider",
+        type: "address",
+      },
+      {
+        internalType: "bool",
+        name: "active",
+        type: "bool",
+      },
+      {
+        internalType: "uint256",
+        name: "collateral",
+        type: "uint256",
+      },
+    ],
+    name: "updateProvider",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+] as const;
+
+const _bytecode =
+  "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";
+
+type AITokenRegistryConstructorParams =
+  | [signer?: Signer]
+  | ConstructorParameters<typeof ContractFactory>;
+
+const isSuperArgs = (
+  xs: AITokenRegistryConstructorParams
+): xs is ConstructorParameters<typeof ContractFactory> => xs.length > 1;
+
+export class AITokenRegistry__factory extends ContractFactory {
+  constructor(...args: AITokenRegistryConstructorParams) {
+    if (isSuperArgs(args)) {
+      super(...args);
+    } else {
+      super(_abi, _bytecode, args[0]);
+    }
+  }
+
+  override getDeployTransaction(
+    admin: AddressLike,
+    overrides?: NonPayableOverrides & { from?: string }
+  ): Promise<ContractDeployTransaction> {
+    return super.getDeployTransaction(admin, overrides || {});
+  }
+  override deploy(
+    admin: AddressLike,
+    overrides?: NonPayableOverrides & { from?: string }
+  ) {
+    return super.deploy(admin, overrides || {}) as Promise<
+      AITokenRegistry & {
+        deploymentTransaction(): ContractTransactionResponse;
+      }
+    >;
+  }
+  override connect(runner: ContractRunner | null): AITokenRegistry__factory {
+    return super.connect(runner) as AITokenRegistry__factory;
+  }
+
+  static readonly bytecode = _bytecode;
+  static readonly abi = _abi;
+  static createInterface(): AITokenRegistryInterface {
+    return new Interface(_abi) as AITokenRegistryInterface;
+  }
+  static connect(
+    address: string,
+    runner?: ContractRunner | null
+  ): AITokenRegistry {
+    return new Contract(address, _abi, runner) as unknown as AITokenRegistry;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/contracts/AIToken__factory.ts b/packages/solidity/aitbc-token/typechain-types/factories/contracts/AIToken__factory.ts
new file mode 100644
index 0000000..89eda5f
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/contracts/AIToken__factory.ts
@@ -0,0 +1,774 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import {
+  Contract,
+  ContractFactory,
+  ContractTransactionResponse,
+  Interface,
+} from "ethers";
+import type {
+  Signer,
+  AddressLike,
+  ContractDeployTransaction,
+  ContractRunner,
+} from "ethers";
+import type { NonPayableOverrides } from "../../common";
+import type { AIToken, AITokenInterface } from "../../contracts/AIToken";
+
+const _abi = [
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "admin",
+        type: "address",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "constructor",
+  },
+  {
+    inputs: [],
+    name: "AccessControlBadConfirmation",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        internalType: "bytes32",
+        name: "neededRole",
+        type: "bytes32",
+      },
+    ],
+    name: "AccessControlUnauthorizedAccount",
+    type: "error",
+  },
+  {
+    inputs: [],
+    name: "ECDSAInvalidSignature",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "uint256",
+        name: "length",
+        type: "uint256",
+      },
+    ],
+    name: "ECDSAInvalidSignatureLength",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "s",
+        type: "bytes32",
+      },
+    ],
+    name: "ECDSAInvalidSignatureS",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "allowance",
+        type: "uint256",
+      },
+      {
+        internalType: "uint256",
+        name: "needed",
+        type: "uint256",
+      },
+    ],
+    name: "ERC20InsufficientAllowance",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "balance",
+        type: "uint256",
+      },
+      {
+        internalType: "uint256",
+        name: "needed",
+        type: "uint256",
+      },
+    ],
+    name: "ERC20InsufficientBalance",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "approver",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidApprover",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "receiver",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidReceiver",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidSender",
+    type: "error",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+    ],
+    name: "ERC20InvalidSpender",
+    type: "error",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "address",
+        name: "owner",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "Approval",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "receiptHash",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "provider",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "units",
+        type: "uint256",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "attestor",
+        type: "address",
+      },
+    ],
+    name: "ReceiptConsumed",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "previousAdminRole",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "newAdminRole",
+        type: "bytes32",
+      },
+    ],
+    name: "RoleAdminChanged",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "RoleGranted",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "sender",
+        type: "address",
+      },
+    ],
+    name: "RoleRevoked",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        internalType: "address",
+        name: "from",
+        type: "address",
+      },
+      {
+        indexed: true,
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "Transfer",
+    type: "event",
+  },
+  {
+    inputs: [],
+    name: "ATTESTOR_ROLE",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "COORDINATOR_ROLE",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "DEFAULT_ADMIN_ROLE",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "owner",
+        type: "address",
+      },
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+    ],
+    name: "allowance",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "spender",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "approve",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "balanceOf",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    name: "consumedReceipts",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "decimals",
+    outputs: [
+      {
+        internalType: "uint8",
+        name: "",
+        type: "uint8",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+    ],
+    name: "getRoleAdmin",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "grantRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "hasRole",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "provider",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "units",
+        type: "uint256",
+      },
+      {
+        internalType: "bytes32",
+        name: "receiptHash",
+        type: "bytes32",
+      },
+    ],
+    name: "mintDigest",
+    outputs: [
+      {
+        internalType: "bytes32",
+        name: "",
+        type: "bytes32",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "provider",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "units",
+        type: "uint256",
+      },
+      {
+        internalType: "bytes32",
+        name: "receiptHash",
+        type: "bytes32",
+      },
+      {
+        internalType: "bytes",
+        name: "signature",
+        type: "bytes",
+      },
+    ],
+    name: "mintWithReceipt",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "name",
+    outputs: [
+      {
+        internalType: "string",
+        name: "",
+        type: "string",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "callerConfirmation",
+        type: "address",
+      },
+    ],
+    name: "renounceRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes32",
+        name: "role",
+        type: "bytes32",
+      },
+      {
+        internalType: "address",
+        name: "account",
+        type: "address",
+      },
+    ],
+    name: "revokeRole",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "bytes4",
+        name: "interfaceId",
+        type: "bytes4",
+      },
+    ],
+    name: "supportsInterface",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "symbol",
+    outputs: [
+      {
+        internalType: "string",
+        name: "",
+        type: "string",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [],
+    name: "totalSupply",
+    outputs: [
+      {
+        internalType: "uint256",
+        name: "",
+        type: "uint256",
+      },
+    ],
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "transfer",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "from",
+        type: "address",
+      },
+      {
+        internalType: "address",
+        name: "to",
+        type: "address",
+      },
+      {
+        internalType: "uint256",
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "transferFrom",
+    outputs: [
+      {
+        internalType: "bool",
+        name: "",
+        type: "bool",
+      },
+    ],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+] as const;
+
+const _bytecode =
+  "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";
+
+type AITokenConstructorParams =
+  | [signer?: Signer]
+  | ConstructorParameters<typeof ContractFactory>;
+
+const isSuperArgs = (
+  xs: AITokenConstructorParams
+): xs is ConstructorParameters<typeof ContractFactory> => xs.length > 1;
+
+export class AIToken__factory extends ContractFactory {
+  constructor(...args: AITokenConstructorParams) {
+    if (isSuperArgs(args)) {
+      super(...args);
+    } else {
+      super(_abi, _bytecode, args[0]);
+    }
+  }
+
+  override getDeployTransaction(
+    admin: AddressLike,
+    overrides?: NonPayableOverrides & { from?: string }
+  ): Promise<ContractDeployTransaction> {
+    return super.getDeployTransaction(admin, overrides || {});
+  }
+  override deploy(
+    admin: AddressLike,
+    overrides?: NonPayableOverrides & { from?: string }
+  ) {
+    return super.deploy(admin, overrides || {}) as Promise<
+      AIToken & {
+        deploymentTransaction(): ContractTransactionResponse;
+      }
+    >;
+  }
+  override connect(runner: ContractRunner | null): AIToken__factory {
+    return super.connect(runner) as AIToken__factory;
+  }
+
+  static readonly bytecode = _bytecode;
+  static readonly abi = _abi;
+  static createInterface(): AITokenInterface {
+    return new Interface(_abi) as AITokenInterface;
+  }
+  static connect(address: string, runner?: ContractRunner | null): AIToken {
+    return new Contract(address, _abi, runner) as unknown as AIToken;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/contracts/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/contracts/index.ts
new file mode 100644
index 0000000..0af1f82
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/contracts/index.ts
@@ -0,0 +1,5 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export { AIToken__factory } from "./AIToken__factory";
+export { AITokenRegistry__factory } from "./AITokenRegistry__factory";
diff --git a/packages/solidity/aitbc-token/typechain-types/factories/index.ts b/packages/solidity/aitbc-token/typechain-types/factories/index.ts
new file mode 100644
index 0000000..6ff9ace
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/factories/index.ts
@@ -0,0 +1,5 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export * as openzeppelin from "./@openzeppelin";
+export * as contracts from "./contracts";
diff --git a/packages/solidity/aitbc-token/typechain-types/hardhat.d.ts b/packages/solidity/aitbc-token/typechain-types/hardhat.d.ts
new file mode 100644
index 0000000..1e7f8e0
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/hardhat.d.ts
@@ -0,0 +1,315 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { ethers } from "ethers";
+import {
+  DeployContractOptions,
+  FactoryOptions,
+  HardhatEthersHelpers as HardhatEthersHelpersBase,
+} from "@nomicfoundation/hardhat-ethers/types";
+
+import * as Contracts from ".";
+
+declare module "hardhat/types/runtime" {
+  interface HardhatEthersHelpers extends HardhatEthersHelpersBase {
+    getContractFactory(
+      name: "AccessControl",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.AccessControl__factory>;
+    getContractFactory(
+      name: "IAccessControl",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.IAccessControl__factory>;
+    getContractFactory(
+      name: "IERC1155Errors",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.IERC1155Errors__factory>;
+    getContractFactory(
+      name: "IERC20Errors",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.IERC20Errors__factory>;
+    getContractFactory(
+      name: "IERC721Errors",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.IERC721Errors__factory>;
+    getContractFactory(
+      name: "ERC20",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.ERC20__factory>;
+    getContractFactory(
+      name: "IERC20Metadata",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.IERC20Metadata__factory>;
+    getContractFactory(
+      name: "IERC20",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.IERC20__factory>;
+    getContractFactory(
+      name: "ECDSA",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.ECDSA__factory>;
+    getContractFactory(
+      name: "ERC165",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.ERC165__factory>;
+    getContractFactory(
+      name: "IERC165",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.IERC165__factory>;
+    getContractFactory(
+      name: "SafeCast",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.SafeCast__factory>;
+    getContractFactory(
+      name: "Strings",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.Strings__factory>;
+    getContractFactory(
+      name: "AIToken",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.AIToken__factory>;
+    getContractFactory(
+      name: "AITokenRegistry",
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<Contracts.AITokenRegistry__factory>;
+
+    getContractAt(
+      name: "AccessControl",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.AccessControl>;
+    getContractAt(
+      name: "IAccessControl",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.IAccessControl>;
+    getContractAt(
+      name: "IERC1155Errors",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.IERC1155Errors>;
+    getContractAt(
+      name: "IERC20Errors",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.IERC20Errors>;
+    getContractAt(
+      name: "IERC721Errors",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.IERC721Errors>;
+    getContractAt(
+      name: "ERC20",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.ERC20>;
+    getContractAt(
+      name: "IERC20Metadata",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.IERC20Metadata>;
+    getContractAt(
+      name: "IERC20",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.IERC20>;
+    getContractAt(
+      name: "ECDSA",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.ECDSA>;
+    getContractAt(
+      name: "ERC165",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.ERC165>;
+    getContractAt(
+      name: "IERC165",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.IERC165>;
+    getContractAt(
+      name: "SafeCast",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.SafeCast>;
+    getContractAt(
+      name: "Strings",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.Strings>;
+    getContractAt(
+      name: "AIToken",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.AIToken>;
+    getContractAt(
+      name: "AITokenRegistry",
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<Contracts.AITokenRegistry>;
+
+    deployContract(
+      name: "AccessControl",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.AccessControl>;
+    deployContract(
+      name: "IAccessControl",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IAccessControl>;
+    deployContract(
+      name: "IERC1155Errors",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC1155Errors>;
+    deployContract(
+      name: "IERC20Errors",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC20Errors>;
+    deployContract(
+      name: "IERC721Errors",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC721Errors>;
+    deployContract(
+      name: "ERC20",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.ERC20>;
+    deployContract(
+      name: "IERC20Metadata",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC20Metadata>;
+    deployContract(
+      name: "IERC20",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC20>;
+    deployContract(
+      name: "ECDSA",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.ECDSA>;
+    deployContract(
+      name: "ERC165",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.ERC165>;
+    deployContract(
+      name: "IERC165",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC165>;
+    deployContract(
+      name: "SafeCast",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.SafeCast>;
+    deployContract(
+      name: "Strings",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.Strings>;
+    deployContract(
+      name: "AIToken",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.AIToken>;
+    deployContract(
+      name: "AITokenRegistry",
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.AITokenRegistry>;
+
+    deployContract(
+      name: "AccessControl",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.AccessControl>;
+    deployContract(
+      name: "IAccessControl",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IAccessControl>;
+    deployContract(
+      name: "IERC1155Errors",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC1155Errors>;
+    deployContract(
+      name: "IERC20Errors",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC20Errors>;
+    deployContract(
+      name: "IERC721Errors",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC721Errors>;
+    deployContract(
+      name: "ERC20",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.ERC20>;
+    deployContract(
+      name: "IERC20Metadata",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC20Metadata>;
+    deployContract(
+      name: "IERC20",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC20>;
+    deployContract(
+      name: "ECDSA",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.ECDSA>;
+    deployContract(
+      name: "ERC165",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.ERC165>;
+    deployContract(
+      name: "IERC165",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.IERC165>;
+    deployContract(
+      name: "SafeCast",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.SafeCast>;
+    deployContract(
+      name: "Strings",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.Strings>;
+    deployContract(
+      name: "AIToken",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.AIToken>;
+    deployContract(
+      name: "AITokenRegistry",
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<Contracts.AITokenRegistry>;
+
+    // default types
+    getContractFactory(
+      name: string,
+      signerOrOptions?: ethers.Signer | FactoryOptions
+    ): Promise<ethers.ContractFactory>;
+    getContractFactory(
+      abi: any[],
+      bytecode: ethers.BytesLike,
+      signer?: ethers.Signer
+    ): Promise<ethers.ContractFactory>;
+    getContractAt(
+      nameOrAbi: string | any[],
+      address: string | ethers.Addressable,
+      signer?: ethers.Signer
+    ): Promise<ethers.Contract>;
+    deployContract(
+      name: string,
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<ethers.Contract>;
+    deployContract(
+      name: string,
+      args: any[],
+      signerOrOptions?: ethers.Signer | DeployContractOptions
+    ): Promise<ethers.Contract>;
+  }
+}
diff --git a/packages/solidity/aitbc-token/typechain-types/index.ts b/packages/solidity/aitbc-token/typechain-types/index.ts
new file mode 100644
index 0000000..c9c5364
--- /dev/null
+++ b/packages/solidity/aitbc-token/typechain-types/index.ts
@@ -0,0 +1,38 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import type * as openzeppelin from "./@openzeppelin";
+export type { openzeppelin };
+import type * as contracts from "./contracts";
+export type { contracts };
+export * as factories from "./factories";
+export type { AccessControl } from "./@openzeppelin/contracts/access/AccessControl";
+export { AccessControl__factory } from "./factories/@openzeppelin/contracts/access/AccessControl__factory";
+export type { IAccessControl } from "./@openzeppelin/contracts/access/IAccessControl";
+export { IAccessControl__factory } from "./factories/@openzeppelin/contracts/access/IAccessControl__factory";
+export type { IERC1155Errors } from "./@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors";
+export { IERC1155Errors__factory } from "./factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC1155Errors__factory";
+export type { IERC20Errors } from "./@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors";
+export { IERC20Errors__factory } from "./factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC20Errors__factory";
+export type { IERC721Errors } from "./@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors";
+export { IERC721Errors__factory } from "./factories/@openzeppelin/contracts/interfaces/draft-IERC6093.sol/IERC721Errors__factory";
+export type { ERC20 } from "./@openzeppelin/contracts/token/ERC20/ERC20";
+export { ERC20__factory } from "./factories/@openzeppelin/contracts/token/ERC20/ERC20__factory";
+export type { IERC20Metadata } from "./@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata";
+export { IERC20Metadata__factory } from "./factories/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata__factory";
+export type { IERC20 } from "./@openzeppelin/contracts/token/ERC20/IERC20";
+export { IERC20__factory } from "./factories/@openzeppelin/contracts/token/ERC20/IERC20__factory";
+export type { ECDSA } from "./@openzeppelin/contracts/utils/cryptography/ECDSA";
+export { ECDSA__factory } from "./factories/@openzeppelin/contracts/utils/cryptography/ECDSA__factory";
+export type { ERC165 } from "./@openzeppelin/contracts/utils/introspection/ERC165";
+export { ERC165__factory } from "./factories/@openzeppelin/contracts/utils/introspection/ERC165__factory";
+export type { IERC165 } from "./@openzeppelin/contracts/utils/introspection/IERC165";
+export { IERC165__factory } from "./factories/@openzeppelin/contracts/utils/introspection/IERC165__factory";
+export type { SafeCast } from "./@openzeppelin/contracts/utils/math/SafeCast";
+export { SafeCast__factory } from "./factories/@openzeppelin/contracts/utils/math/SafeCast__factory";
+export type { Strings } from "./@openzeppelin/contracts/utils/Strings";
+export { Strings__factory } from "./factories/@openzeppelin/contracts/utils/Strings__factory";
+export type { AIToken } from "./contracts/AIToken";
+export { AIToken__factory } from "./factories/contracts/AIToken__factory";
+export type { AITokenRegistry } from "./contracts/AITokenRegistry";
+export { AITokenRegistry__factory } from "./factories/contracts/AITokenRegistry__factory";
diff --git a/pyproject.toml b/pyproject.toml
index eafdf3d..26c626c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,3 +5,9 @@ testpaths = [
     "apps/miner-node/tests"
 ]
 asyncio_default_fixture_loop_scope = "function"
+pythonpath = [
+    "packages/py/aitbc-core/src",
+    "packages/py/aitbc-crypto/src",
+    "packages/py/aitbc-p2p/src",
+    "packages/py/aitbc-sdk/src"
+]
diff --git a/scripts/dev/ws_load_test.py b/scripts/dev/ws_load_test.py
new file mode 100644
index 0000000..db3d7b1
--- /dev/null
+++ b/scripts/dev/ws_load_test.py
@@ -0,0 +1,54 @@
+from __future__ import annotations
+
+import asyncio
+import json
+from contextlib import asynccontextmanager
+from typing import List
+
+import websockets
+
+DEFAULT_WS_URL = "ws://127.0.0.1:8000/rpc/ws"
+BLOCK_TOPIC = "/blocks"
+TRANSACTION_TOPIC = "/transactions"
+
+
+async def producer(ws_url: str, interval: float = 0.1, total: int = 100) -> None:
+    async with websockets.connect(f"{ws_url}{BLOCK_TOPIC}") as websocket:
+        for index in range(total):
+            payload = {
+                "height": index,
+                "hash": f"0x{index:064x}",
+                "parent_hash": f"0x{index-1:064x}",
+                "timestamp": "2025-01-01T00:00:00Z",
+                "tx_count": 0,
+            }
+            await websocket.send(json.dumps(payload))
+            await asyncio.sleep(interval)
+
+
+async def consumer(name: str, ws_url: str, path: str, duration: float = 5.0) -> None:
+    async with websockets.connect(f"{ws_url}{path}") as websocket:
+        end = asyncio.get_event_loop().time() + duration
+        received = 0
+        while asyncio.get_event_loop().time() < end:
+            try:
+                message = await asyncio.wait_for(websocket.recv(), timeout=1.0)
+            except asyncio.TimeoutError:
+                continue
+            received += 1
+            if received % 10 == 0:
+                print(f"[{name}] received {received} messages")
+        print(f"[{name}] total received: {received}")
+
+
+async def main() -> None:
+    ws_url = DEFAULT_WS_URL
+    consumers = [
+        consumer("blocks-consumer", ws_url, BLOCK_TOPIC),
+        consumer("tx-consumer", ws_url, TRANSACTION_TOPIC),
+    ]
+    await asyncio.gather(producer(ws_url), *consumers)
+
+
+if __name__ == "__main__":
+    asyncio.run(main())