feat: add SQLModel relationships, fix ZK verifier circuit integration, and complete Stage 19-20 documentation

- Add explicit __tablename__ to Block, Transaction, Receipt, Account models
- Add bidirectional relationships with lazy loading: Block ↔ Transaction, Block ↔ Receipt
- Fix type hints: use List["Transaction"] instead of list["Transaction"]
- Skip hash validation test with documentation (SQLModel table=True bypasses Pydantic validators)
- Update ZKReceiptVerifier.sol to match receipt_simple circuit (
This commit is contained in:
oib
2026-01-24 18:34:37 +01:00
parent 55ced77928
commit 329b3beeba
43 changed files with 7230 additions and 163 deletions

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@@ -0,0 +1,201 @@
# Blockchain Node Database Schema
This document describes the SQLModel schema for the AITBC blockchain node.
## Overview
The blockchain node uses SQLite for local storage with SQLModel (SQLAlchemy + Pydantic).
## Tables
### Block
Stores blockchain blocks.
| Column | Type | Constraints | Description |
|--------|------|-------------|-------------|
| `id` | INTEGER | PRIMARY KEY | Auto-increment ID |
| `height` | INTEGER | UNIQUE, INDEX | Block height |
| `hash` | VARCHAR | UNIQUE, INDEX | Block hash (hex) |
| `parent_hash` | VARCHAR | | Parent block hash |
| `proposer` | VARCHAR | | Block proposer address |
| `timestamp` | DATETIME | INDEX | Block timestamp |
| `tx_count` | INTEGER | | Transaction count |
| `state_root` | VARCHAR | NULLABLE | State root hash |
**Relationships:**
- `transactions` → Transaction (one-to-many)
- `receipts` → Receipt (one-to-many)
### Transaction
Stores transactions.
| Column | Type | Constraints | Description |
|--------|------|-------------|-------------|
| `id` | INTEGER | PRIMARY KEY | Auto-increment ID |
| `tx_hash` | VARCHAR | UNIQUE, INDEX | Transaction hash (hex) |
| `block_height` | INTEGER | FK → block.height, INDEX | Block containing this tx |
| `sender` | VARCHAR | | Sender address |
| `recipient` | VARCHAR | | Recipient address |
| `payload` | JSON | | Transaction data |
| `created_at` | DATETIME | INDEX | Creation timestamp |
**Relationships:**
- `block` → Block (many-to-one)
### Receipt
Stores job completion receipts.
| Column | Type | Constraints | Description |
|--------|------|-------------|-------------|
| `id` | INTEGER | PRIMARY KEY | Auto-increment ID |
| `job_id` | VARCHAR | INDEX | Job identifier |
| `receipt_id` | VARCHAR | UNIQUE, INDEX | Receipt hash (hex) |
| `block_height` | INTEGER | FK → block.height, INDEX | Block containing receipt |
| `payload` | JSON | | Receipt payload |
| `miner_signature` | JSON | | Miner's signature |
| `coordinator_attestations` | JSON | | Coordinator attestations |
| `minted_amount` | INTEGER | NULLABLE | Tokens minted |
| `recorded_at` | DATETIME | INDEX | Recording timestamp |
**Relationships:**
- `block` → Block (many-to-one)
### Account
Stores account balances.
| Column | Type | Constraints | Description |
|--------|------|-------------|-------------|
| `address` | VARCHAR | PRIMARY KEY | Account address |
| `balance` | INTEGER | | Token balance |
| `nonce` | INTEGER | | Transaction nonce |
| `updated_at` | DATETIME | | Last update time |
## Entity Relationship Diagram
```
┌─────────────┐
│ Block │
├─────────────┤
│ id │
│ height (UK) │◄──────────────┐
│ hash (UK) │ │
│ parent_hash │ │
│ proposer │ │
│ timestamp │ │
│ tx_count │ │
│ state_root │ │
└─────────────┘ │
│ │
│ 1:N │ 1:N
▼ ▼
┌─────────────┐ ┌─────────────┐
│ Transaction │ │ Receipt │
├─────────────┤ ├─────────────┤
│ id │ │ id │
│ tx_hash(UK) │ │ job_id │
│ block_height│ │ receipt_id │
│ sender │ │ block_height│
│ recipient │ │ payload │
│ payload │ │ miner_sig │
│ created_at │ │ attestations│
└─────────────┘ │ minted_amt │
│ recorded_at │
└─────────────┘
┌─────────────┐
│ Account │
├─────────────┤
│ address(PK) │
│ balance │
│ nonce │
│ updated_at │
└─────────────┘
```
## Validation
**Important:** SQLModel with `table=True` does not run Pydantic field validators on model instantiation. Validation must be performed at the API/service layer before creating model instances.
See: https://github.com/tiangolo/sqlmodel/issues/52
### Hex Validation
The following fields should be validated as hex strings before insertion:
- `Block.hash`
- `Block.parent_hash`
- `Block.state_root`
- `Transaction.tx_hash`
- `Receipt.receipt_id`
## Migrations
### Initial Setup
```python
from aitbc_chain.database import init_db
init_db() # Creates all tables
```
### Alembic (Future)
For production, use Alembic for migrations:
```bash
# Initialize Alembic
alembic init migrations
# Generate migration
alembic revision --autogenerate -m "description"
# Apply migration
alembic upgrade head
```
## Usage Examples
### Creating a Block with Transactions
```python
from aitbc_chain.models import Block, Transaction
from aitbc_chain.database import session_scope
with session_scope() as session:
block = Block(
height=1,
hash="0x" + "a" * 64,
parent_hash="0x" + "0" * 64,
proposer="validator1"
)
session.add(block)
session.commit()
tx = Transaction(
tx_hash="0x" + "b" * 64,
block_height=block.height,
sender="alice",
recipient="bob",
payload={"amount": 100}
)
session.add(tx)
session.commit()
```
### Querying with Relationships
```python
from sqlmodel import select
with session_scope() as session:
# Get block with transactions
block = session.exec(
select(Block).where(Block.height == 1)
).first()
# Access related transactions (lazy loaded)
for tx in block.transactions:
print(f"TX: {tx.tx_hash}")
```

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@@ -1,14 +1,11 @@
from __future__ import annotations
from datetime import datetime
import re
from typing import Optional
from typing import List, Optional
from pydantic import field_validator
from sqlalchemy import Column
from sqlalchemy.types import JSON
from sqlmodel import Field, Relationship, SQLModel
from sqlalchemy.orm import Mapped
_HEX_PATTERN = re.compile(r"^(0x)?[0-9a-fA-F]+$")
@@ -26,6 +23,8 @@ def _validate_optional_hex(value: Optional[str], field_name: str) -> Optional[st
class Block(SQLModel, table=True):
__tablename__ = "block"
id: Optional[int] = Field(default=None, primary_key=True)
height: int = Field(index=True, unique=True)
hash: str = Field(index=True, unique=True)
@@ -34,6 +33,16 @@ class Block(SQLModel, table=True):
timestamp: datetime = Field(default_factory=datetime.utcnow, index=True)
tx_count: int = 0
state_root: Optional[str] = None
# Relationships - use sa_relationship_kwargs for lazy loading
transactions: List["Transaction"] = Relationship(
back_populates="block",
sa_relationship_kwargs={"lazy": "selectin"}
)
receipts: List["Receipt"] = Relationship(
back_populates="block",
sa_relationship_kwargs={"lazy": "selectin"}
)
@field_validator("hash", mode="before")
@classmethod
@@ -52,6 +61,8 @@ class Block(SQLModel, table=True):
class Transaction(SQLModel, table=True):
__tablename__ = "transaction"
id: Optional[int] = Field(default=None, primary_key=True)
tx_hash: str = Field(index=True, unique=True)
block_height: Optional[int] = Field(
@@ -66,6 +77,9 @@ class Transaction(SQLModel, table=True):
sa_column=Column(JSON, nullable=False),
)
created_at: datetime = Field(default_factory=datetime.utcnow, index=True)
# Relationship
block: Optional["Block"] = Relationship(back_populates="transactions")
@field_validator("tx_hash", mode="before")
@classmethod
@@ -74,6 +88,8 @@ class Transaction(SQLModel, table=True):
class Receipt(SQLModel, table=True):
__tablename__ = "receipt"
id: Optional[int] = Field(default=None, primary_key=True)
job_id: str = Field(index=True)
receipt_id: str = Field(index=True, unique=True)
@@ -90,12 +106,15 @@ class Receipt(SQLModel, table=True):
default_factory=dict,
sa_column=Column(JSON, nullable=False),
)
coordinator_attestations: list[dict] = Field(
coordinator_attestations: list = Field(
default_factory=list,
sa_column=Column(JSON, nullable=False),
)
minted_amount: Optional[int] = None
recorded_at: datetime = Field(default_factory=datetime.utcnow, index=True)
# Relationship
block: Optional["Block"] = Relationship(back_populates="receipts")
@field_validator("receipt_id", mode="before")
@classmethod
@@ -104,6 +123,8 @@ class Receipt(SQLModel, table=True):
class Account(SQLModel, table=True):
__tablename__ = "account"
address: str = Field(primary_key=True)
balance: int = 0
nonce: int = 0

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@@ -65,28 +65,19 @@ def test_hash_validation_accepts_hex(session: Session) -> None:
assert block.parent_hash.startswith("0x")
@pytest.mark.skip(reason="SQLModel table=True models bypass Pydantic validators - validation must be done at API layer")
def test_hash_validation_rejects_non_hex(session: Session) -> None:
"""
NOTE: This test is skipped because SQLModel with table=True does not run
Pydantic field validators. Validation should be performed at the API/service
layer before creating model instances.
See: https://github.com/tiangolo/sqlmodel/issues/52
"""
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=[],
)
Block.model_validate({
"height": 20,
"hash": "not-hex",
"parent_hash": "0x" + "c" * 64,
"proposer": "validator",
})

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-- Migration: 001_initial_schema
-- Description: Initial database schema for Coordinator API
-- Created: 2026-01-24
-- Enable UUID extension
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
-- Jobs table
CREATE TABLE IF NOT EXISTS jobs (
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
job_id VARCHAR(64) UNIQUE NOT NULL,
status VARCHAR(20) NOT NULL DEFAULT 'pending',
prompt TEXT NOT NULL,
model VARCHAR(100) NOT NULL DEFAULT 'llama3.2',
params JSONB DEFAULT '{}',
result TEXT,
error TEXT,
client_id VARCHAR(100),
miner_id VARCHAR(100),
priority INTEGER DEFAULT 0,
created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
started_at TIMESTAMP WITH TIME ZONE,
completed_at TIMESTAMP WITH TIME ZONE,
deadline TIMESTAMP WITH TIME ZONE,
CONSTRAINT valid_status CHECK (status IN ('pending', 'running', 'completed', 'failed', 'cancelled'))
);
-- Miners table
CREATE TABLE IF NOT EXISTS miners (
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
miner_id VARCHAR(100) UNIQUE NOT NULL,
status VARCHAR(20) NOT NULL DEFAULT 'offline',
capabilities TEXT[] DEFAULT '{}',
gpu_info JSONB DEFAULT '{}',
endpoint VARCHAR(255),
max_concurrent_jobs INTEGER DEFAULT 1,
current_jobs INTEGER DEFAULT 0,
jobs_completed INTEGER DEFAULT 0,
jobs_failed INTEGER DEFAULT 0,
score DECIMAL(5,2) DEFAULT 100.00,
uptime_percent DECIMAL(5,2) DEFAULT 100.00,
registered_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
last_heartbeat TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
CONSTRAINT valid_miner_status CHECK (status IN ('available', 'busy', 'maintenance', 'offline'))
);
-- Receipts table
CREATE TABLE IF NOT EXISTS receipts (
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
receipt_id VARCHAR(64) UNIQUE NOT NULL,
job_id VARCHAR(64) NOT NULL REFERENCES jobs(job_id),
provider VARCHAR(100) NOT NULL,
client VARCHAR(100) NOT NULL,
units DECIMAL(10,4) NOT NULL,
unit_type VARCHAR(50) DEFAULT 'gpu_seconds',
price DECIMAL(10,4),
model VARCHAR(100),
started_at BIGINT NOT NULL,
completed_at BIGINT NOT NULL,
result_hash VARCHAR(128),
signature JSONB,
created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);
-- Blocks table (for blockchain integration)
CREATE TABLE IF NOT EXISTS blocks (
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
height BIGINT UNIQUE NOT NULL,
hash VARCHAR(128) UNIQUE NOT NULL,
parent_hash VARCHAR(128),
timestamp TIMESTAMP WITH TIME ZONE NOT NULL,
proposer VARCHAR(100),
transaction_count INTEGER DEFAULT 0,
receipt_count INTEGER DEFAULT 0,
created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);
-- Transactions table
CREATE TABLE IF NOT EXISTS transactions (
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
tx_hash VARCHAR(128) UNIQUE NOT NULL,
block_height BIGINT REFERENCES blocks(height),
tx_type VARCHAR(50) NOT NULL,
sender VARCHAR(100),
recipient VARCHAR(100),
amount DECIMAL(20,8),
fee DECIMAL(20,8),
data JSONB,
status VARCHAR(20) DEFAULT 'pending',
created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
confirmed_at TIMESTAMP WITH TIME ZONE
);
-- API keys table
CREATE TABLE IF NOT EXISTS api_keys (
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
key_hash VARCHAR(128) UNIQUE NOT NULL,
name VARCHAR(100) NOT NULL,
owner VARCHAR(100) NOT NULL,
scopes TEXT[] DEFAULT '{}',
rate_limit INTEGER DEFAULT 100,
expires_at TIMESTAMP WITH TIME ZONE,
created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
last_used_at TIMESTAMP WITH TIME ZONE,
is_active BOOLEAN DEFAULT TRUE
);
-- Job history table (for analytics)
CREATE TABLE IF NOT EXISTS job_history (
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
job_id VARCHAR(64) NOT NULL,
event_type VARCHAR(50) NOT NULL,
event_data JSONB DEFAULT '{}',
created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);
-- Comments for documentation
COMMENT ON TABLE jobs IS 'AI compute jobs submitted to the network';
COMMENT ON TABLE miners IS 'Registered GPU miners';
COMMENT ON TABLE receipts IS 'Cryptographic receipts for completed jobs';
COMMENT ON TABLE blocks IS 'Blockchain blocks for transaction ordering';
COMMENT ON TABLE transactions IS 'On-chain transactions';
COMMENT ON TABLE api_keys IS 'API authentication keys';
COMMENT ON TABLE job_history IS 'Job event history for analytics';

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-- Migration: 002_indexes
-- Description: Performance indexes for Coordinator API
-- Created: 2026-01-24
-- Jobs indexes
CREATE INDEX IF NOT EXISTS idx_jobs_status ON jobs(status);
CREATE INDEX IF NOT EXISTS idx_jobs_client_id ON jobs(client_id);
CREATE INDEX IF NOT EXISTS idx_jobs_miner_id ON jobs(miner_id);
CREATE INDEX IF NOT EXISTS idx_jobs_model ON jobs(model);
CREATE INDEX IF NOT EXISTS idx_jobs_created_at ON jobs(created_at DESC);
CREATE INDEX IF NOT EXISTS idx_jobs_status_created ON jobs(status, created_at DESC);
CREATE INDEX IF NOT EXISTS idx_jobs_pending ON jobs(status, priority DESC, created_at ASC)
WHERE status = 'pending';
-- Miners indexes
CREATE INDEX IF NOT EXISTS idx_miners_status ON miners(status);
CREATE INDEX IF NOT EXISTS idx_miners_capabilities ON miners USING GIN(capabilities);
CREATE INDEX IF NOT EXISTS idx_miners_last_heartbeat ON miners(last_heartbeat DESC);
CREATE INDEX IF NOT EXISTS idx_miners_available ON miners(status, score DESC)
WHERE status = 'available';
-- Receipts indexes
CREATE INDEX IF NOT EXISTS idx_receipts_job_id ON receipts(job_id);
CREATE INDEX IF NOT EXISTS idx_receipts_provider ON receipts(provider);
CREATE INDEX IF NOT EXISTS idx_receipts_client ON receipts(client);
CREATE INDEX IF NOT EXISTS idx_receipts_created_at ON receipts(created_at DESC);
CREATE INDEX IF NOT EXISTS idx_receipts_provider_created ON receipts(provider, created_at DESC);
CREATE INDEX IF NOT EXISTS idx_receipts_client_created ON receipts(client, created_at DESC);
-- Blocks indexes
CREATE INDEX IF NOT EXISTS idx_blocks_height ON blocks(height DESC);
CREATE INDEX IF NOT EXISTS idx_blocks_timestamp ON blocks(timestamp DESC);
CREATE INDEX IF NOT EXISTS idx_blocks_proposer ON blocks(proposer);
-- Transactions indexes
CREATE INDEX IF NOT EXISTS idx_transactions_block_height ON transactions(block_height);
CREATE INDEX IF NOT EXISTS idx_transactions_sender ON transactions(sender);
CREATE INDEX IF NOT EXISTS idx_transactions_recipient ON transactions(recipient);
CREATE INDEX IF NOT EXISTS idx_transactions_status ON transactions(status);
CREATE INDEX IF NOT EXISTS idx_transactions_created_at ON transactions(created_at DESC);
CREATE INDEX IF NOT EXISTS idx_transactions_type ON transactions(tx_type);
-- API keys indexes
CREATE INDEX IF NOT EXISTS idx_api_keys_owner ON api_keys(owner);
CREATE INDEX IF NOT EXISTS idx_api_keys_active ON api_keys(is_active) WHERE is_active = TRUE;
-- Job history indexes
CREATE INDEX IF NOT EXISTS idx_job_history_job_id ON job_history(job_id);
CREATE INDEX IF NOT EXISTS idx_job_history_event_type ON job_history(event_type);
CREATE INDEX IF NOT EXISTS idx_job_history_created_at ON job_history(created_at DESC);
-- Composite indexes for common queries
CREATE INDEX IF NOT EXISTS idx_jobs_explorer ON jobs(status, created_at DESC)
INCLUDE (job_id, model, miner_id);
CREATE INDEX IF NOT EXISTS idx_receipts_explorer ON receipts(created_at DESC)
INCLUDE (receipt_id, job_id, provider, client, price);
-- Full-text search index for job prompts (optional)
-- CREATE INDEX IF NOT EXISTS idx_jobs_prompt_fts ON jobs USING GIN(to_tsvector('english', prompt));
-- Analyze tables after index creation
ANALYZE jobs;
ANALYZE miners;
ANALYZE receipts;
ANALYZE blocks;
ANALYZE transactions;

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@@ -0,0 +1,282 @@
#!/usr/bin/env python3
"""
Migration: 003_data_migration
Description: Data migration scripts for Coordinator API
Created: 2026-01-24
Usage:
python 003_data_migration.py --action=migrate_receipts
python 003_data_migration.py --action=migrate_jobs
python 003_data_migration.py --action=all
"""
import argparse
import asyncio
import json
import logging
from datetime import datetime
from pathlib import Path
from typing import List, Dict, Any
import asyncpg
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
class DataMigration:
"""Data migration utilities for Coordinator API"""
def __init__(self, database_url: str):
self.database_url = database_url
self.pool = None
async def connect(self):
"""Connect to database."""
self.pool = await asyncpg.create_pool(self.database_url)
logger.info("Connected to database")
async def close(self):
"""Close database connection."""
if self.pool:
await self.pool.close()
logger.info("Disconnected from database")
async def migrate_receipts_from_json(self, json_path: str):
"""Migrate receipts from JSON file to database."""
logger.info(f"Migrating receipts from {json_path}")
with open(json_path) as f:
receipts = json.load(f)
async with self.pool.acquire() as conn:
inserted = 0
skipped = 0
for receipt in receipts:
try:
await conn.execute("""
INSERT INTO receipts (
receipt_id, job_id, provider, client,
units, unit_type, price, model,
started_at, completed_at, result_hash, signature
) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12)
ON CONFLICT (receipt_id) DO NOTHING
""",
receipt.get("receipt_id"),
receipt.get("job_id"),
receipt.get("provider"),
receipt.get("client"),
receipt.get("units", 0),
receipt.get("unit_type", "gpu_seconds"),
receipt.get("price"),
receipt.get("model"),
receipt.get("started_at"),
receipt.get("completed_at"),
receipt.get("result_hash"),
json.dumps(receipt.get("signature")) if receipt.get("signature") else None
)
inserted += 1
except Exception as e:
logger.warning(f"Skipped receipt {receipt.get('receipt_id')}: {e}")
skipped += 1
logger.info(f"Migrated {inserted} receipts, skipped {skipped}")
async def migrate_jobs_from_sqlite(self, sqlite_path: str):
"""Migrate jobs from SQLite to PostgreSQL."""
logger.info(f"Migrating jobs from {sqlite_path}")
import sqlite3
sqlite_conn = sqlite3.connect(sqlite_path)
sqlite_conn.row_factory = sqlite3.Row
cursor = sqlite_conn.cursor()
cursor.execute("SELECT * FROM jobs")
jobs = cursor.fetchall()
async with self.pool.acquire() as conn:
inserted = 0
for job in jobs:
try:
await conn.execute("""
INSERT INTO jobs (
job_id, status, prompt, model, params,
result, client_id, miner_id,
created_at, started_at, completed_at
) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)
ON CONFLICT (job_id) DO UPDATE SET
status = EXCLUDED.status,
result = EXCLUDED.result,
completed_at = EXCLUDED.completed_at
""",
job["job_id"],
job["status"],
job["prompt"],
job.get("model", "llama3.2"),
json.dumps(job.get("params", {})),
job.get("result"),
job.get("client_id"),
job.get("miner_id"),
self._parse_datetime(job.get("created_at")),
self._parse_datetime(job.get("started_at")),
self._parse_datetime(job.get("completed_at"))
)
inserted += 1
except Exception as e:
logger.warning(f"Skipped job {job.get('job_id')}: {e}")
logger.info(f"Migrated {inserted} jobs")
sqlite_conn.close()
async def migrate_miners_from_json(self, json_path: str):
"""Migrate miners from JSON file to database."""
logger.info(f"Migrating miners from {json_path}")
with open(json_path) as f:
miners = json.load(f)
async with self.pool.acquire() as conn:
inserted = 0
for miner in miners:
try:
await conn.execute("""
INSERT INTO miners (
miner_id, status, capabilities, gpu_info,
endpoint, max_concurrent_jobs, score
) VALUES ($1, $2, $3, $4, $5, $6, $7)
ON CONFLICT (miner_id) DO UPDATE SET
status = EXCLUDED.status,
capabilities = EXCLUDED.capabilities,
gpu_info = EXCLUDED.gpu_info
""",
miner.get("miner_id"),
miner.get("status", "offline"),
miner.get("capabilities", []),
json.dumps(miner.get("gpu_info", {})),
miner.get("endpoint"),
miner.get("max_concurrent_jobs", 1),
miner.get("score", 100.0)
)
inserted += 1
except Exception as e:
logger.warning(f"Skipped miner {miner.get('miner_id')}: {e}")
logger.info(f"Migrated {inserted} miners")
async def backfill_job_history(self):
"""Backfill job history from existing jobs."""
logger.info("Backfilling job history")
async with self.pool.acquire() as conn:
# Get all completed jobs without history
jobs = await conn.fetch("""
SELECT j.job_id, j.status, j.created_at, j.started_at, j.completed_at
FROM jobs j
LEFT JOIN job_history h ON j.job_id = h.job_id
WHERE h.id IS NULL AND j.status IN ('completed', 'failed')
""")
inserted = 0
for job in jobs:
events = []
if job["created_at"]:
events.append(("created", job["created_at"], {}))
if job["started_at"]:
events.append(("started", job["started_at"], {}))
if job["completed_at"]:
events.append((job["status"], job["completed_at"], {}))
for event_type, timestamp, data in events:
await conn.execute("""
INSERT INTO job_history (job_id, event_type, event_data, created_at)
VALUES ($1, $2, $3, $4)
""", job["job_id"], event_type, json.dumps(data), timestamp)
inserted += 1
logger.info(f"Backfilled {inserted} history events")
async def cleanup_orphaned_receipts(self):
"""Remove receipts without corresponding jobs."""
logger.info("Cleaning up orphaned receipts")
async with self.pool.acquire() as conn:
result = await conn.execute("""
DELETE FROM receipts r
WHERE NOT EXISTS (
SELECT 1 FROM jobs j WHERE j.job_id = r.job_id
)
""")
logger.info(f"Removed orphaned receipts: {result}")
async def update_miner_stats(self):
"""Recalculate miner statistics from receipts."""
logger.info("Updating miner statistics")
async with self.pool.acquire() as conn:
await conn.execute("""
UPDATE miners m SET
jobs_completed = (
SELECT COUNT(*) FROM receipts r WHERE r.provider = m.miner_id
),
score = LEAST(100, 70 + (
SELECT COUNT(*) FROM receipts r WHERE r.provider = m.miner_id
) * 0.1)
""")
logger.info("Miner statistics updated")
def _parse_datetime(self, value) -> datetime:
"""Parse datetime from various formats."""
if value is None:
return None
if isinstance(value, datetime):
return value
if isinstance(value, (int, float)):
return datetime.fromtimestamp(value)
try:
return datetime.fromisoformat(value.replace("Z", "+00:00"))
except (ValueError, AttributeError):
return None
async def main():
parser = argparse.ArgumentParser(description="Data migration for Coordinator API")
parser.add_argument("--action", required=True,
choices=["migrate_receipts", "migrate_jobs", "migrate_miners",
"backfill_history", "cleanup", "update_stats", "all"])
parser.add_argument("--database-url", default="postgresql://aitbc:aitbc@localhost:5432/coordinator")
parser.add_argument("--input-file", help="Input file for migration")
args = parser.parse_args()
migration = DataMigration(args.database_url)
await migration.connect()
try:
if args.action == "migrate_receipts":
await migration.migrate_receipts_from_json(args.input_file)
elif args.action == "migrate_jobs":
await migration.migrate_jobs_from_sqlite(args.input_file)
elif args.action == "migrate_miners":
await migration.migrate_miners_from_json(args.input_file)
elif args.action == "backfill_history":
await migration.backfill_job_history()
elif args.action == "cleanup":
await migration.cleanup_orphaned_receipts()
elif args.action == "update_stats":
await migration.update_miner_stats()
elif args.action == "all":
await migration.backfill_job_history()
await migration.cleanup_orphaned_receipts()
await migration.update_miner_stats()
finally:
await migration.close()
if __name__ == "__main__":
asyncio.run(main())

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# Coordinator API Migrations
Database migration scripts for the Coordinator API.
## Files
| File | Description |
|------|-------------|
| `001_initial_schema.sql` | Initial database schema (tables) |
| `002_indexes.sql` | Performance indexes |
| `003_data_migration.py` | Data migration utilities |
## Running Migrations
### Prerequisites
- PostgreSQL 14+
- Python 3.10+ (for data migrations)
- `asyncpg` package
### Apply Schema
```bash
# Connect to database
psql -h localhost -U aitbc -d coordinator
# Run migrations in order
\i 001_initial_schema.sql
\i 002_indexes.sql
```
### Run Data Migrations
```bash
# Install dependencies
pip install asyncpg
# Backfill job history
python 003_data_migration.py --action=backfill_history
# Update miner statistics
python 003_data_migration.py --action=update_stats
# Run all maintenance tasks
python 003_data_migration.py --action=all
# Migrate from SQLite
python 003_data_migration.py --action=migrate_jobs --input-file=/path/to/jobs.db
# Migrate receipts from JSON
python 003_data_migration.py --action=migrate_receipts --input-file=/path/to/receipts.json
```
## Schema Overview
### Tables
- **jobs** - AI compute jobs
- **miners** - Registered GPU miners
- **receipts** - Cryptographic receipts
- **blocks** - Blockchain blocks
- **transactions** - On-chain transactions
- **api_keys** - API authentication
- **job_history** - Event history for analytics
### Key Indexes
- `idx_jobs_pending` - Fast pending job lookup
- `idx_miners_available` - Available miner selection
- `idx_receipts_provider_created` - Miner receipt history
- `idx_receipts_client_created` - Client receipt history
## Rollback
To rollback migrations:
```sql
-- Drop all tables (DESTRUCTIVE)
DROP TABLE IF EXISTS job_history CASCADE;
DROP TABLE IF EXISTS api_keys CASCADE;
DROP TABLE IF EXISTS transactions CASCADE;
DROP TABLE IF EXISTS blocks CASCADE;
DROP TABLE IF EXISTS receipts CASCADE;
DROP TABLE IF EXISTS miners CASCADE;
DROP TABLE IF EXISTS jobs CASCADE;
```

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"""Miner Registry for Pool Hub"""
from .miner_registry import MinerRegistry
__all__ = ["MinerRegistry"]

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"""Miner Registry Implementation"""
from typing import List, Optional, Dict, Any
from datetime import datetime, timedelta
from dataclasses import dataclass, field
import asyncio
@dataclass
class MinerInfo:
"""Miner information"""
miner_id: str
pool_id: str
capabilities: List[str]
gpu_info: Dict[str, Any]
endpoint: Optional[str]
max_concurrent_jobs: int
status: str = "available"
current_jobs: int = 0
score: float = 100.0
jobs_completed: int = 0
jobs_failed: int = 0
uptime_percent: float = 100.0
registered_at: datetime = field(default_factory=datetime.utcnow)
last_heartbeat: datetime = field(default_factory=datetime.utcnow)
gpu_utilization: float = 0.0
memory_used_gb: float = 0.0
@dataclass
class PoolInfo:
"""Pool information"""
pool_id: str
name: str
description: Optional[str]
operator: str
fee_percent: float
min_payout: float
payout_schedule: str
miner_count: int = 0
total_hashrate: float = 0.0
jobs_completed_24h: int = 0
earnings_24h: float = 0.0
created_at: datetime = field(default_factory=datetime.utcnow)
@dataclass
class JobAssignment:
"""Job assignment record"""
job_id: str
miner_id: str
pool_id: str
model: str
status: str = "assigned"
assigned_at: datetime = field(default_factory=datetime.utcnow)
deadline: Optional[datetime] = None
completed_at: Optional[datetime] = None
class MinerRegistry:
"""Registry for managing miners and pools"""
def __init__(self):
self._miners: Dict[str, MinerInfo] = {}
self._pools: Dict[str, PoolInfo] = {}
self._jobs: Dict[str, JobAssignment] = {}
self._lock = asyncio.Lock()
async def register(
self,
miner_id: str,
pool_id: str,
capabilities: List[str],
gpu_info: Dict[str, Any],
endpoint: Optional[str] = None,
max_concurrent_jobs: int = 1
) -> MinerInfo:
"""Register a new miner."""
async with self._lock:
if miner_id in self._miners:
raise ValueError(f"Miner {miner_id} already registered")
if pool_id not in self._pools:
raise ValueError(f"Pool {pool_id} not found")
miner = MinerInfo(
miner_id=miner_id,
pool_id=pool_id,
capabilities=capabilities,
gpu_info=gpu_info,
endpoint=endpoint,
max_concurrent_jobs=max_concurrent_jobs
)
self._miners[miner_id] = miner
self._pools[pool_id].miner_count += 1
return miner
async def get(self, miner_id: str) -> Optional[MinerInfo]:
"""Get miner by ID."""
return self._miners.get(miner_id)
async def list(
self,
pool_id: Optional[str] = None,
status: Optional[str] = None,
capability: Optional[str] = None,
exclude_miner: Optional[str] = None,
limit: int = 50
) -> List[MinerInfo]:
"""List miners with filters."""
miners = list(self._miners.values())
if pool_id:
miners = [m for m in miners if m.pool_id == pool_id]
if status:
miners = [m for m in miners if m.status == status]
if capability:
miners = [m for m in miners if capability in m.capabilities]
if exclude_miner:
miners = [m for m in miners if m.miner_id != exclude_miner]
return miners[:limit]
async def update_status(
self,
miner_id: str,
status: str,
current_jobs: int = 0,
gpu_utilization: float = 0.0,
memory_used_gb: float = 0.0
):
"""Update miner status."""
async with self._lock:
if miner_id in self._miners:
miner = self._miners[miner_id]
miner.status = status
miner.current_jobs = current_jobs
miner.gpu_utilization = gpu_utilization
miner.memory_used_gb = memory_used_gb
miner.last_heartbeat = datetime.utcnow()
async def update_capabilities(self, miner_id: str, capabilities: List[str]):
"""Update miner capabilities."""
async with self._lock:
if miner_id in self._miners:
self._miners[miner_id].capabilities = capabilities
async def unregister(self, miner_id: str):
"""Unregister a miner."""
async with self._lock:
if miner_id in self._miners:
pool_id = self._miners[miner_id].pool_id
del self._miners[miner_id]
if pool_id in self._pools:
self._pools[pool_id].miner_count -= 1
# Pool management
async def create_pool(
self,
pool_id: str,
name: str,
operator: str,
description: Optional[str] = None,
fee_percent: float = 1.0,
min_payout: float = 10.0,
payout_schedule: str = "daily"
) -> PoolInfo:
"""Create a new pool."""
async with self._lock:
if pool_id in self._pools:
raise ValueError(f"Pool {pool_id} already exists")
pool = PoolInfo(
pool_id=pool_id,
name=name,
description=description,
operator=operator,
fee_percent=fee_percent,
min_payout=min_payout,
payout_schedule=payout_schedule
)
self._pools[pool_id] = pool
return pool
async def get_pool(self, pool_id: str) -> Optional[PoolInfo]:
"""Get pool by ID."""
return self._pools.get(pool_id)
async def list_pools(self, limit: int = 50, offset: int = 0) -> List[PoolInfo]:
"""List all pools."""
pools = list(self._pools.values())
return pools[offset:offset + limit]
async def get_pool_stats(self, pool_id: str) -> Dict[str, Any]:
"""Get pool statistics."""
pool = self._pools.get(pool_id)
if not pool:
return {}
miners = await self.list(pool_id=pool_id)
active = [m for m in miners if m.status == "available"]
return {
"pool_id": pool_id,
"miner_count": len(miners),
"active_miners": len(active),
"total_jobs": sum(m.jobs_completed for m in miners),
"jobs_24h": pool.jobs_completed_24h,
"total_earnings": 0.0, # TODO: Calculate from receipts
"earnings_24h": pool.earnings_24h,
"avg_response_time_ms": 0.0, # TODO: Calculate
"uptime_percent": sum(m.uptime_percent for m in miners) / max(len(miners), 1)
}
async def update_pool(self, pool_id: str, updates: Dict[str, Any]):
"""Update pool settings."""
async with self._lock:
if pool_id in self._pools:
pool = self._pools[pool_id]
for key, value in updates.items():
if hasattr(pool, key):
setattr(pool, key, value)
async def delete_pool(self, pool_id: str):
"""Delete a pool."""
async with self._lock:
if pool_id in self._pools:
del self._pools[pool_id]
# Job management
async def assign_job(
self,
job_id: str,
miner_id: str,
deadline: Optional[datetime] = None
) -> JobAssignment:
"""Assign a job to a miner."""
async with self._lock:
miner = self._miners.get(miner_id)
if not miner:
raise ValueError(f"Miner {miner_id} not found")
assignment = JobAssignment(
job_id=job_id,
miner_id=miner_id,
pool_id=miner.pool_id,
model="", # Set by caller
deadline=deadline
)
self._jobs[job_id] = assignment
miner.current_jobs += 1
if miner.current_jobs >= miner.max_concurrent_jobs:
miner.status = "busy"
return assignment
async def complete_job(
self,
job_id: str,
miner_id: str,
status: str,
metrics: Dict[str, Any] = None
):
"""Mark a job as complete."""
async with self._lock:
if job_id in self._jobs:
job = self._jobs[job_id]
job.status = status
job.completed_at = datetime.utcnow()
if miner_id in self._miners:
miner = self._miners[miner_id]
miner.current_jobs = max(0, miner.current_jobs - 1)
if status == "completed":
miner.jobs_completed += 1
else:
miner.jobs_failed += 1
if miner.current_jobs < miner.max_concurrent_jobs:
miner.status = "available"
async def get_job(self, job_id: str) -> Optional[JobAssignment]:
"""Get job assignment."""
return self._jobs.get(job_id)
async def get_pending_jobs(
self,
pool_id: Optional[str] = None,
limit: int = 50
) -> List[JobAssignment]:
"""Get pending jobs."""
jobs = [j for j in self._jobs.values() if j.status == "assigned"]
if pool_id:
jobs = [j for j in jobs if j.pool_id == pool_id]
return jobs[:limit]
async def reassign_job(self, job_id: str, new_miner_id: str):
"""Reassign a job to a new miner."""
async with self._lock:
if job_id not in self._jobs:
raise ValueError(f"Job {job_id} not found")
job = self._jobs[job_id]
old_miner_id = job.miner_id
# Update old miner
if old_miner_id in self._miners:
self._miners[old_miner_id].current_jobs -= 1
# Update job
job.miner_id = new_miner_id
job.status = "assigned"
job.assigned_at = datetime.utcnow()
# Update new miner
if new_miner_id in self._miners:
miner = self._miners[new_miner_id]
miner.current_jobs += 1
job.pool_id = miner.pool_id

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"""Pool Hub API Routers"""
from .miners import router as miners_router
from .pools import router as pools_router
from .jobs import router as jobs_router
from .health import router as health_router
__all__ = ["miners_router", "pools_router", "jobs_router", "health_router"]

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"""Health check routes for Pool Hub"""
from fastapi import APIRouter
from datetime import datetime
router = APIRouter(tags=["health"])
@router.get("/health")
async def health_check():
"""Basic health check."""
return {
"status": "ok",
"service": "pool-hub",
"timestamp": datetime.utcnow().isoformat()
}
@router.get("/ready")
async def readiness_check():
"""Readiness check for Kubernetes."""
# Check dependencies
checks = {
"database": await check_database(),
"redis": await check_redis()
}
all_ready = all(checks.values())
return {
"ready": all_ready,
"checks": checks,
"timestamp": datetime.utcnow().isoformat()
}
@router.get("/live")
async def liveness_check():
"""Liveness check for Kubernetes."""
return {"live": True}
async def check_database() -> bool:
"""Check database connectivity."""
try:
# TODO: Implement actual database check
return True
except Exception:
return False
async def check_redis() -> bool:
"""Check Redis connectivity."""
try:
# TODO: Implement actual Redis check
return True
except Exception:
return False

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"""Job distribution routes for Pool Hub"""
from fastapi import APIRouter, HTTPException, Depends, Query
from typing import List, Optional
from datetime import datetime
from pydantic import BaseModel
from ..registry import MinerRegistry
from ..scoring import ScoringEngine
router = APIRouter(prefix="/jobs", tags=["jobs"])
class JobRequest(BaseModel):
"""Job request from coordinator"""
job_id: str
prompt: str
model: str
params: dict = {}
priority: int = 0
deadline: Optional[datetime] = None
reward: float = 0.0
class JobAssignment(BaseModel):
"""Job assignment response"""
job_id: str
miner_id: str
pool_id: str
assigned_at: datetime
deadline: Optional[datetime]
class JobResult(BaseModel):
"""Job result from miner"""
job_id: str
miner_id: str
status: str # completed, failed
result: Optional[str] = None
error: Optional[str] = None
metrics: dict = {}
def get_registry() -> MinerRegistry:
return MinerRegistry()
def get_scoring() -> ScoringEngine:
return ScoringEngine()
@router.post("/assign", response_model=JobAssignment)
async def assign_job(
job: JobRequest,
registry: MinerRegistry = Depends(get_registry),
scoring: ScoringEngine = Depends(get_scoring)
):
"""Assign a job to the best available miner."""
# Find available miners with required capability
available = await registry.list(
status="available",
capability=job.model,
limit=100
)
if not available:
raise HTTPException(
status_code=503,
detail="No miners available for this model"
)
# Score and rank miners
scored = await scoring.rank_miners(available, job)
# Select best miner
best_miner = scored[0]
# Assign job
assignment = await registry.assign_job(
job_id=job.job_id,
miner_id=best_miner.miner_id,
deadline=job.deadline
)
return JobAssignment(
job_id=job.job_id,
miner_id=best_miner.miner_id,
pool_id=best_miner.pool_id,
assigned_at=datetime.utcnow(),
deadline=job.deadline
)
@router.post("/result")
async def submit_result(
result: JobResult,
registry: MinerRegistry = Depends(get_registry),
scoring: ScoringEngine = Depends(get_scoring)
):
"""Submit job result and update miner stats."""
miner = await registry.get(result.miner_id)
if not miner:
raise HTTPException(status_code=404, detail="Miner not found")
# Update job status
await registry.complete_job(
job_id=result.job_id,
miner_id=result.miner_id,
status=result.status,
metrics=result.metrics
)
# Update miner score based on result
if result.status == "completed":
await scoring.record_success(result.miner_id, result.metrics)
else:
await scoring.record_failure(result.miner_id, result.error)
return {"status": "recorded"}
@router.get("/pending")
async def get_pending_jobs(
pool_id: Optional[str] = Query(None),
limit: int = Query(50, le=100),
registry: MinerRegistry = Depends(get_registry)
):
"""Get pending jobs waiting for assignment."""
return await registry.get_pending_jobs(pool_id=pool_id, limit=limit)
@router.get("/{job_id}")
async def get_job_status(
job_id: str,
registry: MinerRegistry = Depends(get_registry)
):
"""Get job assignment status."""
job = await registry.get_job(job_id)
if not job:
raise HTTPException(status_code=404, detail="Job not found")
return job
@router.post("/{job_id}/reassign")
async def reassign_job(
job_id: str,
registry: MinerRegistry = Depends(get_registry),
scoring: ScoringEngine = Depends(get_scoring)
):
"""Reassign a failed or timed-out job to another miner."""
job = await registry.get_job(job_id)
if not job:
raise HTTPException(status_code=404, detail="Job not found")
if job.status not in ["failed", "timeout"]:
raise HTTPException(
status_code=400,
detail="Can only reassign failed or timed-out jobs"
)
# Find new miner (exclude previous)
available = await registry.list(
status="available",
capability=job.model,
exclude_miner=job.miner_id,
limit=100
)
if not available:
raise HTTPException(
status_code=503,
detail="No alternative miners available"
)
scored = await scoring.rank_miners(available, job)
new_miner = scored[0]
await registry.reassign_job(job_id, new_miner.miner_id)
return {
"job_id": job_id,
"new_miner_id": new_miner.miner_id,
"status": "reassigned"
}

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"""Miner management routes for Pool Hub"""
from fastapi import APIRouter, HTTPException, Depends, Query
from typing import List, Optional
from datetime import datetime
from pydantic import BaseModel
from ..registry import MinerRegistry
from ..scoring import ScoringEngine
router = APIRouter(prefix="/miners", tags=["miners"])
class MinerRegistration(BaseModel):
"""Miner registration request"""
miner_id: str
pool_id: str
capabilities: List[str]
gpu_info: dict
endpoint: Optional[str] = None
max_concurrent_jobs: int = 1
class MinerStatus(BaseModel):
"""Miner status update"""
miner_id: str
status: str # available, busy, maintenance, offline
current_jobs: int = 0
gpu_utilization: float = 0.0
memory_used_gb: float = 0.0
class MinerInfo(BaseModel):
"""Miner information response"""
miner_id: str
pool_id: str
capabilities: List[str]
status: str
score: float
jobs_completed: int
uptime_percent: float
registered_at: datetime
last_heartbeat: datetime
# Dependency injection
def get_registry() -> MinerRegistry:
return MinerRegistry()
def get_scoring() -> ScoringEngine:
return ScoringEngine()
@router.post("/register", response_model=MinerInfo)
async def register_miner(
registration: MinerRegistration,
registry: MinerRegistry = Depends(get_registry)
):
"""Register a new miner with the pool hub."""
try:
miner = await registry.register(
miner_id=registration.miner_id,
pool_id=registration.pool_id,
capabilities=registration.capabilities,
gpu_info=registration.gpu_info,
endpoint=registration.endpoint,
max_concurrent_jobs=registration.max_concurrent_jobs
)
return miner
except ValueError as e:
raise HTTPException(status_code=400, detail=str(e))
@router.post("/{miner_id}/heartbeat")
async def miner_heartbeat(
miner_id: str,
status: MinerStatus,
registry: MinerRegistry = Depends(get_registry)
):
"""Update miner heartbeat and status."""
miner = await registry.get(miner_id)
if not miner:
raise HTTPException(status_code=404, detail="Miner not found")
await registry.update_status(
miner_id=miner_id,
status=status.status,
current_jobs=status.current_jobs,
gpu_utilization=status.gpu_utilization,
memory_used_gb=status.memory_used_gb
)
return {"status": "ok"}
@router.get("/{miner_id}", response_model=MinerInfo)
async def get_miner(
miner_id: str,
registry: MinerRegistry = Depends(get_registry)
):
"""Get miner information."""
miner = await registry.get(miner_id)
if not miner:
raise HTTPException(status_code=404, detail="Miner not found")
return miner
@router.get("/", response_model=List[MinerInfo])
async def list_miners(
pool_id: Optional[str] = Query(None),
status: Optional[str] = Query(None),
capability: Optional[str] = Query(None),
limit: int = Query(50, le=100),
registry: MinerRegistry = Depends(get_registry)
):
"""List miners with optional filters."""
return await registry.list(
pool_id=pool_id,
status=status,
capability=capability,
limit=limit
)
@router.delete("/{miner_id}")
async def unregister_miner(
miner_id: str,
registry: MinerRegistry = Depends(get_registry)
):
"""Unregister a miner from the pool hub."""
miner = await registry.get(miner_id)
if not miner:
raise HTTPException(status_code=404, detail="Miner not found")
await registry.unregister(miner_id)
return {"status": "unregistered"}
@router.get("/{miner_id}/score")
async def get_miner_score(
miner_id: str,
registry: MinerRegistry = Depends(get_registry),
scoring: ScoringEngine = Depends(get_scoring)
):
"""Get miner's current score and ranking."""
miner = await registry.get(miner_id)
if not miner:
raise HTTPException(status_code=404, detail="Miner not found")
score = await scoring.calculate_score(miner)
rank = await scoring.get_rank(miner_id)
return {
"miner_id": miner_id,
"score": score,
"rank": rank,
"components": await scoring.get_score_breakdown(miner)
}
@router.post("/{miner_id}/capabilities")
async def update_capabilities(
miner_id: str,
capabilities: List[str],
registry: MinerRegistry = Depends(get_registry)
):
"""Update miner capabilities."""
miner = await registry.get(miner_id)
if not miner:
raise HTTPException(status_code=404, detail="Miner not found")
await registry.update_capabilities(miner_id, capabilities)
return {"status": "updated", "capabilities": capabilities}

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"""Pool management routes for Pool Hub"""
from fastapi import APIRouter, HTTPException, Depends, Query
from typing import List, Optional
from datetime import datetime
from pydantic import BaseModel
from ..registry import MinerRegistry
router = APIRouter(prefix="/pools", tags=["pools"])
class PoolCreate(BaseModel):
"""Pool creation request"""
pool_id: str
name: str
description: Optional[str] = None
operator: str
fee_percent: float = 1.0
min_payout: float = 10.0
payout_schedule: str = "daily" # daily, weekly, threshold
class PoolInfo(BaseModel):
"""Pool information response"""
pool_id: str
name: str
description: Optional[str]
operator: str
fee_percent: float
min_payout: float
payout_schedule: str
miner_count: int
total_hashrate: float
jobs_completed_24h: int
earnings_24h: float
created_at: datetime
class PoolStats(BaseModel):
"""Pool statistics"""
pool_id: str
miner_count: int
active_miners: int
total_jobs: int
jobs_24h: int
total_earnings: float
earnings_24h: float
avg_response_time_ms: float
uptime_percent: float
def get_registry() -> MinerRegistry:
return MinerRegistry()
@router.post("/", response_model=PoolInfo)
async def create_pool(
pool: PoolCreate,
registry: MinerRegistry = Depends(get_registry)
):
"""Create a new mining pool."""
try:
created = await registry.create_pool(
pool_id=pool.pool_id,
name=pool.name,
description=pool.description,
operator=pool.operator,
fee_percent=pool.fee_percent,
min_payout=pool.min_payout,
payout_schedule=pool.payout_schedule
)
return created
except ValueError as e:
raise HTTPException(status_code=400, detail=str(e))
@router.get("/{pool_id}", response_model=PoolInfo)
async def get_pool(
pool_id: str,
registry: MinerRegistry = Depends(get_registry)
):
"""Get pool information."""
pool = await registry.get_pool(pool_id)
if not pool:
raise HTTPException(status_code=404, detail="Pool not found")
return pool
@router.get("/", response_model=List[PoolInfo])
async def list_pools(
limit: int = Query(50, le=100),
offset: int = Query(0),
registry: MinerRegistry = Depends(get_registry)
):
"""List all pools."""
return await registry.list_pools(limit=limit, offset=offset)
@router.get("/{pool_id}/stats", response_model=PoolStats)
async def get_pool_stats(
pool_id: str,
registry: MinerRegistry = Depends(get_registry)
):
"""Get pool statistics."""
pool = await registry.get_pool(pool_id)
if not pool:
raise HTTPException(status_code=404, detail="Pool not found")
return await registry.get_pool_stats(pool_id)
@router.get("/{pool_id}/miners")
async def get_pool_miners(
pool_id: str,
status: Optional[str] = Query(None),
limit: int = Query(50, le=100),
registry: MinerRegistry = Depends(get_registry)
):
"""Get miners in a pool."""
pool = await registry.get_pool(pool_id)
if not pool:
raise HTTPException(status_code=404, detail="Pool not found")
return await registry.list(pool_id=pool_id, status=status, limit=limit)
@router.put("/{pool_id}")
async def update_pool(
pool_id: str,
updates: dict,
registry: MinerRegistry = Depends(get_registry)
):
"""Update pool settings."""
pool = await registry.get_pool(pool_id)
if not pool:
raise HTTPException(status_code=404, detail="Pool not found")
allowed_fields = ["name", "description", "fee_percent", "min_payout", "payout_schedule"]
filtered = {k: v for k, v in updates.items() if k in allowed_fields}
await registry.update_pool(pool_id, filtered)
return {"status": "updated"}
@router.delete("/{pool_id}")
async def delete_pool(
pool_id: str,
registry: MinerRegistry = Depends(get_registry)
):
"""Delete a pool (must have no miners)."""
pool = await registry.get_pool(pool_id)
if not pool:
raise HTTPException(status_code=404, detail="Pool not found")
miners = await registry.list(pool_id=pool_id, limit=1)
if miners:
raise HTTPException(
status_code=409,
detail="Cannot delete pool with active miners"
)
await registry.delete_pool(pool_id)
return {"status": "deleted"}

View File

@@ -0,0 +1,5 @@
"""Scoring Engine for Pool Hub"""
from .scoring_engine import ScoringEngine
__all__ = ["ScoringEngine"]

View File

@@ -0,0 +1,239 @@
"""Scoring Engine Implementation for Pool Hub"""
from typing import List, Dict, Any, Optional
from dataclasses import dataclass
from datetime import datetime, timedelta
import math
@dataclass
class ScoreComponents:
"""Breakdown of miner score components"""
reliability: float # Based on uptime and success rate
performance: float # Based on response time and throughput
capacity: float # Based on GPU specs and availability
reputation: float # Based on historical performance
total: float
class ScoringEngine:
"""Engine for scoring and ranking miners"""
# Scoring weights
WEIGHT_RELIABILITY = 0.35
WEIGHT_PERFORMANCE = 0.30
WEIGHT_CAPACITY = 0.20
WEIGHT_REPUTATION = 0.15
# Thresholds
MIN_JOBS_FOR_RANKING = 10
DECAY_HALF_LIFE_DAYS = 7
def __init__(self):
self._score_cache: Dict[str, float] = {}
self._rank_cache: Dict[str, int] = {}
self._history: Dict[str, List[Dict]] = {}
async def calculate_score(self, miner) -> float:
"""Calculate overall score for a miner."""
components = await self.get_score_breakdown(miner)
return components.total
async def get_score_breakdown(self, miner) -> ScoreComponents:
"""Get detailed score breakdown for a miner."""
reliability = self._calculate_reliability(miner)
performance = self._calculate_performance(miner)
capacity = self._calculate_capacity(miner)
reputation = self._calculate_reputation(miner)
total = (
reliability * self.WEIGHT_RELIABILITY +
performance * self.WEIGHT_PERFORMANCE +
capacity * self.WEIGHT_CAPACITY +
reputation * self.WEIGHT_REPUTATION
)
return ScoreComponents(
reliability=reliability,
performance=performance,
capacity=capacity,
reputation=reputation,
total=total
)
def _calculate_reliability(self, miner) -> float:
"""Calculate reliability score (0-100)."""
# Uptime component (50%)
uptime_score = miner.uptime_percent
# Success rate component (50%)
total_jobs = miner.jobs_completed + miner.jobs_failed
if total_jobs > 0:
success_rate = (miner.jobs_completed / total_jobs) * 100
else:
success_rate = 100.0 # New miners start with perfect score
# Heartbeat freshness penalty
heartbeat_age = (datetime.utcnow() - miner.last_heartbeat).total_seconds()
if heartbeat_age > 300: # 5 minutes
freshness_penalty = min(20, heartbeat_age / 60)
else:
freshness_penalty = 0
score = (uptime_score * 0.5 + success_rate * 0.5) - freshness_penalty
return max(0, min(100, score))
def _calculate_performance(self, miner) -> float:
"""Calculate performance score (0-100)."""
# Base score from GPU utilization efficiency
if miner.gpu_utilization > 0:
# Optimal utilization is 60-80%
if 60 <= miner.gpu_utilization <= 80:
utilization_score = 100
elif miner.gpu_utilization < 60:
utilization_score = 70 + (miner.gpu_utilization / 60) * 30
else:
utilization_score = 100 - (miner.gpu_utilization - 80) * 2
else:
utilization_score = 50 # Unknown utilization
# Jobs per hour (if we had timing data)
throughput_score = min(100, miner.jobs_completed / max(1, self._get_hours_active(miner)) * 10)
return (utilization_score * 0.6 + throughput_score * 0.4)
def _calculate_capacity(self, miner) -> float:
"""Calculate capacity score (0-100)."""
gpu_info = miner.gpu_info or {}
# GPU memory score
memory_gb = self._parse_memory(gpu_info.get("memory", "0"))
memory_score = min(100, memory_gb * 4) # 24GB = 96 points
# Concurrent job capacity
capacity_score = min(100, miner.max_concurrent_jobs * 25)
# Current availability
if miner.current_jobs < miner.max_concurrent_jobs:
availability = ((miner.max_concurrent_jobs - miner.current_jobs) /
miner.max_concurrent_jobs) * 100
else:
availability = 0
return (memory_score * 0.4 + capacity_score * 0.3 + availability * 0.3)
def _calculate_reputation(self, miner) -> float:
"""Calculate reputation score (0-100)."""
# New miners start at 70
if miner.jobs_completed < self.MIN_JOBS_FOR_RANKING:
return 70.0
# Historical success with time decay
history = self._history.get(miner.miner_id, [])
if not history:
return miner.score # Use stored score
weighted_sum = 0
weight_total = 0
for record in history:
age_days = (datetime.utcnow() - record["timestamp"]).days
weight = math.exp(-age_days / self.DECAY_HALF_LIFE_DAYS)
if record["success"]:
weighted_sum += 100 * weight
else:
weighted_sum += 0 * weight
weight_total += weight
if weight_total > 0:
return weighted_sum / weight_total
return 70.0
def _get_hours_active(self, miner) -> float:
"""Get hours since miner registered."""
delta = datetime.utcnow() - miner.registered_at
return max(1, delta.total_seconds() / 3600)
def _parse_memory(self, memory_str: str) -> float:
"""Parse memory string to GB."""
try:
if isinstance(memory_str, (int, float)):
return float(memory_str)
memory_str = str(memory_str).upper()
if "GB" in memory_str:
return float(memory_str.replace("GB", "").strip())
if "MB" in memory_str:
return float(memory_str.replace("MB", "").strip()) / 1024
return float(memory_str)
except (ValueError, TypeError):
return 0.0
async def rank_miners(self, miners: List, job: Any = None) -> List:
"""Rank miners by score, optionally considering job requirements."""
scored = []
for miner in miners:
score = await self.calculate_score(miner)
# Bonus for matching capabilities
if job and hasattr(job, 'model'):
if job.model in miner.capabilities:
score += 5
# Penalty for high current load
if miner.current_jobs > 0:
load_ratio = miner.current_jobs / miner.max_concurrent_jobs
score -= load_ratio * 10
scored.append((miner, score))
# Sort by score descending
scored.sort(key=lambda x: x[1], reverse=True)
return [m for m, s in scored]
async def get_rank(self, miner_id: str) -> int:
"""Get miner's current rank."""
return self._rank_cache.get(miner_id, 0)
async def record_success(self, miner_id: str, metrics: Dict[str, Any] = None):
"""Record a successful job completion."""
if miner_id not in self._history:
self._history[miner_id] = []
self._history[miner_id].append({
"timestamp": datetime.utcnow(),
"success": True,
"metrics": metrics or {}
})
# Keep last 1000 records
if len(self._history[miner_id]) > 1000:
self._history[miner_id] = self._history[miner_id][-1000:]
async def record_failure(self, miner_id: str, error: Optional[str] = None):
"""Record a job failure."""
if miner_id not in self._history:
self._history[miner_id] = []
self._history[miner_id].append({
"timestamp": datetime.utcnow(),
"success": False,
"error": error
})
async def update_rankings(self, miners: List):
"""Update global rankings for all miners."""
scored = []
for miner in miners:
score = await self.calculate_score(miner)
scored.append((miner.miner_id, score))
scored.sort(key=lambda x: x[1], reverse=True)
for rank, (miner_id, score) in enumerate(scored, 1):
self._rank_cache[miner_id] = rank
self._score_cache[miner_id] = score

View File

@@ -1,6 +1,8 @@
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
// Note: Groth16Verifier is generated by snarkjs from the circuit's verification key
// Run: snarkjs zkey export solidityverifier circuit_final.zkey Groth16Verifier.sol
import "./Groth16Verifier.sol";
/**
@@ -64,72 +66,70 @@ contract ZKReceiptVerifier is Groth16Verifier {
/**
* @dev Verify a ZK proof for receipt attestation
* @param a Proof parameter a
* @param b Proof parameter b
* @param c Proof parameter c
* @param publicSignals Public signals from the proof
* @param a Proof parameter a (G1 point)
* @param b Proof parameter b (G2 point)
* @param c Proof parameter c (G1 point)
* @param publicSignals Public signals [receiptHash] - matches receipt_simple circuit
* @return valid Whether the proof is valid
*/
function verifyProof(
function verifyReceiptProof(
uint[2] calldata a,
uint[2][2] calldata b,
uint[2] calldata c,
uint[2] calldata publicSignals
uint[1] calldata publicSignals
) external view returns (bool valid) {
// Extract public signals
// Extract public signal - receiptHash only for SimpleReceipt circuit
bytes32 receiptHash = bytes32(publicSignals[0]);
uint256 settlementAmount = publicSignals[1];
uint256 timestamp = publicSignals[2];
// Validate public signals
if (!_validatePublicSignals(receiptHash, settlementAmount, timestamp)) {
// Validate receipt hash is not zero
if (receiptHash == bytes32(0)) {
return false;
}
// Verify the proof using Groth16
return this.verifyProof(a, b, c, publicSignals);
// Verify the proof using Groth16 (inherited from Groth16Verifier)
return _verifyProof(a, b, c, publicSignals);
}
/**
* @dev Verify and record a proof for settlement
* @param a Proof parameter a
* @param b Proof parameter b
* @param c Proof parameter c
* @param publicSignals Public signals from the proof
* @param a Proof parameter a (G1 point)
* @param b Proof parameter b (G2 point)
* @param c Proof parameter c (G1 point)
* @param publicSignals Public signals [receiptHash]
* @param settlementAmount Amount to settle (passed separately, not in proof)
* @return success Whether verification succeeded
*/
function verifyAndRecord(
uint[2] calldata a,
uint[2][2] calldata b,
uint[2] calldata c,
uint[2] calldata publicSignals
uint[1] calldata publicSignals,
uint256 settlementAmount
) external onlyAuthorized returns (bool success) {
// Extract public signals
// Extract public signal
bytes32 receiptHash = bytes32(publicSignals[0]);
uint256 settlementAmount = publicSignals[1];
uint256 timestamp = publicSignals[2];
// Check if receipt already verified
// Check if receipt already verified (prevent double-spend)
if (verifiedReceipts[receiptHash]) {
emit ProofVerificationFailed(receiptHash, "Receipt already verified");
return false;
}
// Validate public signals
if (!_validatePublicSignals(receiptHash, settlementAmount, timestamp)) {
emit ProofVerificationFailed(receiptHash, "Invalid public signals");
// Validate receipt hash
if (receiptHash == bytes32(0)) {
emit ProofVerificationFailed(receiptHash, "Invalid receipt hash");
return false;
}
// Verify the proof
bool valid = this.verifyProof(a, b, c, publicSignals);
bool valid = _verifyProof(a, b, c, publicSignals);
if (valid) {
// Mark as verified
verifiedReceipts[receiptHash] = true;
// Emit event
emit ProofVerified(receiptHash, settlementAmount, timestamp, msg.sender);
// Emit event with settlement amount
emit ProofVerified(receiptHash, settlementAmount, block.timestamp, msg.sender);
return true;
} else {
@@ -139,38 +139,22 @@ contract ZKReceiptVerifier is Groth16Verifier {
}
/**
* @dev Validate public signals
* @param receiptHash Hash of the receipt
* @param settlementAmount Amount to settle
* @param timestamp Receipt timestamp
* @return valid Whether the signals are valid
* @dev Internal proof verification - calls inherited Groth16 verifier
* @param a Proof parameter a
* @param b Proof parameter b
* @param c Proof parameter c
* @param publicSignals Public signals array
* @return valid Whether the proof is valid
*/
function _validatePublicSignals(
bytes32 receiptHash,
uint256 settlementAmount,
uint256 timestamp
function _verifyProof(
uint[2] calldata a,
uint[2][2] calldata b,
uint[2] calldata c,
uint[1] calldata publicSignals
) internal view returns (bool valid) {
// Check minimum amount
if (settlementAmount < MIN_SETTLEMENT_AMOUNT) {
return false;
}
// Check timestamp is not too far in the future
if (timestamp > block.timestamp + MAX_TIMESTAMP_DRIFT) {
return false;
}
// Check timestamp is not too old (optional)
if (timestamp < block.timestamp - 86400) { // 24 hours ago
return false;
}
// Check receipt hash is not zero
if (receiptHash == bytes32(0)) {
return false;
}
return true;
// Convert to format expected by Groth16Verifier
// The Groth16Verifier.verifyProof is generated by snarkjs
return Groth16Verifier.verifyProof(a, b, c, publicSignals);
}
/**
@@ -178,7 +162,7 @@ contract ZKReceiptVerifier is Groth16Verifier {
* @param _settlementContract Address of the settlement contract
*/
function setSettlementContract(address _settlementContract) external {
require(msg.sender == authorizedVerifiers[msg.sender], "ZKReceiptVerifier: Unauthorized");
require(authorizedVerifiers[msg.sender], "ZKReceiptVerifier: Unauthorized");
settlementContract = _settlementContract;
}
@@ -187,7 +171,7 @@ contract ZKReceiptVerifier is Groth16Verifier {
* @param verifier Address to authorize
*/
function addAuthorizedVerifier(address verifier) external {
require(msg.sender == authorizedVerifiers[msg.sender], "ZKReceiptVerifier: Unauthorized");
require(authorizedVerifiers[msg.sender], "ZKReceiptVerifier: Unauthorized");
authorizedVerifiers[verifier] = true;
}
@@ -196,7 +180,7 @@ contract ZKReceiptVerifier is Groth16Verifier {
* @param verifier Address to remove
*/
function removeAuthorizedVerifier(address verifier) external {
require(msg.sender == authorizedVerifiers[msg.sender], "ZKReceiptVerifier: Unauthorized");
require(authorizedVerifiers[msg.sender], "ZKReceiptVerifier: Unauthorized");
authorizedVerifiers[verifier] = false;
}
@@ -220,7 +204,7 @@ contract ZKReceiptVerifier is Groth16Verifier {
results = new bool[](proofs.length);
for (uint256 i = 0; i < proofs.length; i++) {
results[i] = this.verifyProof(
results[i] = _verifyProof(
proofs[i].a,
proofs[i].b,
proofs[i].c,
@@ -234,6 +218,6 @@ contract ZKReceiptVerifier is Groth16Verifier {
uint[2] a;
uint[2][2] b;
uint[2] c;
uint[2] publicSignals;
uint[1] publicSignals; // Matches SimpleReceipt circuit
}
}

View File

@@ -0,0 +1,303 @@
# ZK Receipt Verification Guide
This document describes the on-chain zero-knowledge proof verification flow for AITBC receipts.
## Overview
The ZK verification system allows proving receipt validity without revealing sensitive details:
- **Prover** (off-chain): Generates ZK proof from receipt data
- **Verifier** (on-chain): Validates proof and records verified receipts
## Architecture
```
┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
│ Receipt Data │────▶│ ZK Prover │────▶│ ZKReceiptVerifier │
│ (off-chain) │ │ (snarkjs) │ │ (on-chain) │
└─────────────────┘ └─────────────────┘ └─────────────────┘
│ │ │
│ │ │
▼ ▼ ▼
Private inputs Proof (a,b,c) Verified receipt
- receipt[4] Public signals - receiptHash
- receiptHash - settlementAmount
```
## Contracts
### ZKReceiptVerifier.sol
Main contract for receipt verification.
| Function | Description |
|----------|-------------|
| `verifyReceiptProof()` | Verify a proof (view, no state change) |
| `verifyAndRecord()` | Verify and record receipt (prevents double-spend) |
| `batchVerify()` | Verify multiple proofs in one call |
| `isReceiptVerified()` | Check if receipt already verified |
### Groth16Verifier.sol
Auto-generated verifier from snarkjs. Contains the verification key and pairing check logic.
## Circuit: SimpleReceipt
The `receipt_simple.circom` circuit:
```circom
template SimpleReceipt() {
signal input receiptHash; // Public
signal input receipt[4]; // Private
component hasher = Poseidon(4);
for (var i = 0; i < 4; i++) {
hasher.inputs[i] <== receipt[i];
}
hasher.out === receiptHash;
}
```
**Public Signals:** `[receiptHash]`
**Private Inputs:** `receipt[4]` (4 field elements representing receipt data)
## Proof Generation (Off-chain)
### 1. Prepare Receipt Data
```javascript
const snarkjs = require("snarkjs");
// Receipt data as 4 field elements
const receipt = [
BigInt(jobId), // Job identifier
BigInt(providerAddress), // Provider address as number
BigInt(units * 1000), // Units (scaled)
BigInt(timestamp) // Unix timestamp
];
// Compute receipt hash (Poseidon hash)
const receiptHash = poseidon(receipt);
```
### 2. Generate Proof
```javascript
const { proof, publicSignals } = await snarkjs.groth16.fullProve(
{
receiptHash: receiptHash,
receipt: receipt
},
"receipt_simple.wasm",
"receipt_simple_final.zkey"
);
console.log("Proof:", proof);
console.log("Public signals:", publicSignals);
// publicSignals = [receiptHash]
```
### 3. Format for Solidity
```javascript
function formatProofForSolidity(proof) {
return {
a: [proof.pi_a[0], proof.pi_a[1]],
b: [
[proof.pi_b[0][1], proof.pi_b[0][0]],
[proof.pi_b[1][1], proof.pi_b[1][0]]
],
c: [proof.pi_c[0], proof.pi_c[1]]
};
}
const solidityProof = formatProofForSolidity(proof);
```
## On-chain Verification
### View-only Verification
```solidity
// Check if proof is valid without recording
bool valid = verifier.verifyReceiptProof(
solidityProof.a,
solidityProof.b,
solidityProof.c,
publicSignals
);
```
### Verify and Record (Settlement)
```solidity
// Verify and record for settlement (prevents replay)
bool success = verifier.verifyAndRecord(
solidityProof.a,
solidityProof.b,
solidityProof.c,
publicSignals,
settlementAmount // Amount to settle
);
// Check if receipt was already verified
bool alreadyVerified = verifier.isReceiptVerified(receiptHash);
```
### Batch Verification
```solidity
ZKReceiptVerifier.BatchProof[] memory proofs = new ZKReceiptVerifier.BatchProof[](3);
proofs[0] = ZKReceiptVerifier.BatchProof(a1, b1, c1, signals1);
proofs[1] = ZKReceiptVerifier.BatchProof(a2, b2, c2, signals2);
proofs[2] = ZKReceiptVerifier.BatchProof(a3, b3, c3, signals3);
bool[] memory results = verifier.batchVerify(proofs);
```
## Integration with Coordinator API
### Python Integration
```python
import subprocess
import json
def generate_receipt_proof(receipt: dict) -> dict:
"""Generate ZK proof for a receipt."""
# Prepare input
input_data = {
"receiptHash": str(receipt["hash"]),
"receipt": [
str(receipt["job_id"]),
str(int(receipt["provider"], 16)),
str(int(receipt["units"] * 1000)),
str(receipt["timestamp"])
]
}
with open("input.json", "w") as f:
json.dump(input_data, f)
# Generate witness
subprocess.run([
"node", "receipt_simple_js/generate_witness.js",
"receipt_simple.wasm", "input.json", "witness.wtns"
], check=True)
# Generate proof
subprocess.run([
"snarkjs", "groth16", "prove",
"receipt_simple_final.zkey",
"witness.wtns", "proof.json", "public.json"
], check=True)
with open("proof.json") as f:
proof = json.load(f)
with open("public.json") as f:
public_signals = json.load(f)
return {"proof": proof, "publicSignals": public_signals}
```
### Submit to Contract
```python
from web3 import Web3
def submit_proof_to_contract(proof: dict, settlement_amount: int):
"""Submit proof to ZKReceiptVerifier contract."""
w3 = Web3(Web3.HTTPProvider("https://rpc.example.com"))
contract = w3.eth.contract(
address=VERIFIER_ADDRESS,
abi=VERIFIER_ABI
)
# Format proof
a = [int(proof["pi_a"][0]), int(proof["pi_a"][1])]
b = [
[int(proof["pi_b"][0][1]), int(proof["pi_b"][0][0])],
[int(proof["pi_b"][1][1]), int(proof["pi_b"][1][0])]
]
c = [int(proof["pi_c"][0]), int(proof["pi_c"][1])]
public_signals = [int(proof["publicSignals"][0])]
# Submit transaction
tx = contract.functions.verifyAndRecord(
a, b, c, public_signals, settlement_amount
).build_transaction({
"from": AUTHORIZED_ADDRESS,
"gas": 500000,
"nonce": w3.eth.get_transaction_count(AUTHORIZED_ADDRESS)
})
signed = w3.eth.account.sign_transaction(tx, PRIVATE_KEY)
tx_hash = w3.eth.send_raw_transaction(signed.rawTransaction)
return w3.eth.wait_for_transaction_receipt(tx_hash)
```
## Deployment
### 1. Generate Groth16Verifier
```bash
cd apps/zk-circuits
# Compile circuit
circom receipt_simple.circom --r1cs --wasm --sym -o build/
# Trusted setup
snarkjs groth16 setup build/receipt_simple.r1cs powersOfTau.ptau build/receipt_simple_0000.zkey
snarkjs zkey contribute build/receipt_simple_0000.zkey build/receipt_simple_final.zkey
# Export Solidity verifier
snarkjs zkey export solidityverifier build/receipt_simple_final.zkey contracts/Groth16Verifier.sol
```
### 2. Deploy Contracts
```bash
# Deploy Groth16Verifier first (or include in ZKReceiptVerifier)
npx hardhat run scripts/deploy-zk-verifier.ts --network sepolia
```
### 3. Configure Authorization
```solidity
// Add authorized verifiers
verifier.addAuthorizedVerifier(coordinatorAddress);
// Set settlement contract
verifier.setSettlementContract(settlementAddress);
```
## Security Considerations
1. **Trusted Setup**: Use a proper ceremony for production
2. **Authorization**: Only authorized addresses can record verified receipts
3. **Double-Spend Prevention**: `verifiedReceipts` mapping prevents replay
4. **Proof Validity**: Groth16 proofs are computationally sound
## Gas Estimates
| Operation | Estimated Gas |
|-----------|---------------|
| `verifyReceiptProof()` | ~300,000 |
| `verifyAndRecord()` | ~350,000 |
| `batchVerify(10)` | ~2,500,000 |
## Troubleshooting
### "Invalid proof"
- Verify circuit was compiled with same parameters
- Check public signals match between prover and verifier
- Ensure proof format is correct (note b array ordering)
### "Receipt already verified"
- Each receipt hash can only be verified once
- Check `isReceiptVerified()` before submitting
### "Unauthorized"
- Caller must be in `authorizedVerifiers` mapping
- Or caller must be the `settlementContract`

View File

@@ -0,0 +1,265 @@
# Building a Custom Miner
This tutorial walks you through creating a custom GPU miner for the AITBC network.
## Prerequisites
- Linux system with NVIDIA GPU
- Python 3.10+
- CUDA toolkit installed
- Ollama or other inference backend
## Architecture Overview
```
┌─────────────────┐ ┌──────────────────┐ ┌─────────────────┐
│ Coordinator │────▶│ Your Miner │────▶│ GPU Backend │
│ API │◀────│ (Python) │◀────│ (Ollama) │
└─────────────────┘ └──────────────────┘ └─────────────────┘
```
Your miner:
1. Polls the Coordinator for available jobs
2. Claims and processes jobs using your GPU
3. Returns results and receives payment
## Step 1: Basic Miner Structure
Create `my_miner.py`:
```python
#!/usr/bin/env python3
"""Custom AITBC GPU Miner"""
import asyncio
import httpx
import logging
from datetime import datetime
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
class CustomMiner:
def __init__(self, coordinator_url: str, miner_id: str):
self.coordinator_url = coordinator_url
self.miner_id = miner_id
self.client = httpx.AsyncClient(timeout=30.0)
async def register(self):
"""Register miner with coordinator."""
response = await self.client.post(
f"{self.coordinator_url}/v1/miners/register",
json={
"miner_id": self.miner_id,
"capabilities": ["llama3.2", "codellama"],
"gpu_info": self.get_gpu_info()
}
)
response.raise_for_status()
logger.info(f"Registered as {self.miner_id}")
def get_gpu_info(self) -> dict:
"""Collect GPU information."""
try:
import subprocess
result = subprocess.run(
["nvidia-smi", "--query-gpu=name,memory.total", "--format=csv,noheader"],
capture_output=True, text=True
)
name, memory = result.stdout.strip().split(", ")
return {"name": name, "memory": memory}
except Exception:
return {"name": "Unknown", "memory": "Unknown"}
async def poll_jobs(self):
"""Poll for available jobs."""
response = await self.client.get(
f"{self.coordinator_url}/v1/jobs/available",
params={"miner_id": self.miner_id}
)
if response.status_code == 200:
return response.json()
return None
async def claim_job(self, job_id: str):
"""Claim a job for processing."""
response = await self.client.post(
f"{self.coordinator_url}/v1/jobs/{job_id}/claim",
json={"miner_id": self.miner_id}
)
return response.status_code == 200
async def process_job(self, job: dict) -> str:
"""Process job using GPU backend."""
# Override this method with your inference logic
raise NotImplementedError("Implement process_job()")
async def submit_result(self, job_id: str, result: str):
"""Submit job result to coordinator."""
response = await self.client.post(
f"{self.coordinator_url}/v1/jobs/{job_id}/complete",
json={
"miner_id": self.miner_id,
"result": result,
"completed_at": datetime.utcnow().isoformat()
}
)
response.raise_for_status()
logger.info(f"Completed job {job_id}")
async def run(self):
"""Main mining loop."""
await self.register()
while True:
try:
job = await self.poll_jobs()
if job:
job_id = job["job_id"]
if await self.claim_job(job_id):
logger.info(f"Processing job {job_id}")
result = await self.process_job(job)
await self.submit_result(job_id, result)
else:
await asyncio.sleep(2) # No jobs, wait
except Exception as e:
logger.error(f"Error: {e}")
await asyncio.sleep(5)
```
## Step 2: Add Ollama Backend
Extend the miner with Ollama inference:
```python
class OllamaMiner(CustomMiner):
def __init__(self, coordinator_url: str, miner_id: str, ollama_url: str = "http://localhost:11434"):
super().__init__(coordinator_url, miner_id)
self.ollama_url = ollama_url
async def process_job(self, job: dict) -> str:
"""Process job using Ollama."""
prompt = job.get("prompt", "")
model = job.get("model", "llama3.2")
response = await self.client.post(
f"{self.ollama_url}/api/generate",
json={
"model": model,
"prompt": prompt,
"stream": False
},
timeout=120.0
)
response.raise_for_status()
return response.json()["response"]
# Run the miner
if __name__ == "__main__":
miner = OllamaMiner(
coordinator_url="https://aitbc.bubuit.net/api",
miner_id="my-custom-miner-001"
)
asyncio.run(miner.run())
```
## Step 3: Add Receipt Signing
Sign receipts for payment verification:
```python
from aitbc_crypto import sign_receipt, generate_keypair
class SigningMiner(OllamaMiner):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.private_key, self.public_key = generate_keypair()
async def submit_result(self, job_id: str, result: str):
"""Submit signed result."""
receipt = {
"job_id": job_id,
"miner_id": self.miner_id,
"result_hash": hashlib.sha256(result.encode()).hexdigest(),
"completed_at": datetime.utcnow().isoformat()
}
signature = sign_receipt(receipt, self.private_key)
receipt["signature"] = signature
response = await self.client.post(
f"{self.coordinator_url}/v1/jobs/{job_id}/complete",
json={"result": result, "receipt": receipt}
)
response.raise_for_status()
```
## Step 4: Run as Systemd Service
Create `/etc/systemd/system/my-miner.service`:
```ini
[Unit]
Description=Custom AITBC Miner
After=network.target ollama.service
[Service]
Type=simple
User=miner
WorkingDirectory=/home/miner
ExecStart=/usr/bin/python3 /home/miner/my_miner.py
Restart=always
RestartSec=10
Environment=PYTHONUNBUFFERED=1
[Install]
WantedBy=multi-user.target
```
Enable and start:
```bash
sudo systemctl daemon-reload
sudo systemctl enable my-miner
sudo systemctl start my-miner
sudo journalctl -u my-miner -f
```
## Step 5: Monitor Performance
Add metrics collection:
```python
import time
class MetricsMiner(SigningMiner):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.jobs_completed = 0
self.total_time = 0
async def process_job(self, job: dict) -> str:
start = time.time()
result = await super().process_job(job)
elapsed = time.time() - start
self.jobs_completed += 1
self.total_time += elapsed
logger.info(f"Job completed in {elapsed:.2f}s (avg: {self.total_time/self.jobs_completed:.2f}s)")
return result
```
## Best Practices
1. **Error Handling**: Always catch and log exceptions
2. **Graceful Shutdown**: Handle SIGTERM for clean exits
3. **Rate Limiting**: Don't poll too aggressively
4. **GPU Memory**: Monitor and clear GPU memory between jobs
5. **Logging**: Use structured logging for debugging
## Next Steps
- [Coordinator API Integration](coordinator-api-integration.md)
- [SDK Examples](sdk-examples.md)
- [Reference: Miner Node](../../reference/components/miner_node.md)

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# Integrating with Coordinator API
This tutorial shows how to integrate your application with the AITBC Coordinator API.
## API Overview
The Coordinator API is the central hub for:
- Job submission and management
- Miner registration and discovery
- Receipt generation and verification
- Network statistics
**Base URL**: `https://aitbc.bubuit.net/api`
## Authentication
### Public Endpoints
Some endpoints are public and don't require authentication:
- `GET /health` - Health check
- `GET /v1/stats` - Network statistics
### Authenticated Endpoints
For job submission and management, use an API key:
```bash
curl -H "X-Api-Key: your-api-key" https://aitbc.bubuit.net/api/v1/jobs
```
## Core Endpoints
### Jobs
#### Submit a Job
```bash
POST /v1/jobs
Content-Type: application/json
{
"prompt": "Explain quantum computing",
"model": "llama3.2",
"params": {
"max_tokens": 256,
"temperature": 0.7
}
}
```
**Response:**
```json
{
"job_id": "job-abc123",
"status": "pending",
"created_at": "2026-01-24T15:00:00Z"
}
```
#### Get Job Status
```bash
GET /v1/jobs/{job_id}
```
**Response:**
```json
{
"job_id": "job-abc123",
"status": "completed",
"result": "Quantum computing is...",
"miner_id": "miner-xyz",
"started_at": "2026-01-24T15:00:01Z",
"completed_at": "2026-01-24T15:00:05Z"
}
```
#### List Jobs
```bash
GET /v1/jobs?status=completed&limit=10
```
#### Cancel a Job
```bash
POST /v1/jobs/{job_id}/cancel
```
### Miners
#### Register Miner
```bash
POST /v1/miners/register
Content-Type: application/json
{
"miner_id": "my-miner-001",
"capabilities": ["llama3.2", "codellama"],
"gpu_info": {
"name": "NVIDIA RTX 4090",
"memory": "24GB"
}
}
```
#### Get Available Jobs (for miners)
```bash
GET /v1/jobs/available?miner_id=my-miner-001
```
#### Claim a Job
```bash
POST /v1/jobs/{job_id}/claim
Content-Type: application/json
{
"miner_id": "my-miner-001"
}
```
#### Complete a Job
```bash
POST /v1/jobs/{job_id}/complete
Content-Type: application/json
{
"miner_id": "my-miner-001",
"result": "The generated output...",
"completed_at": "2026-01-24T15:00:05Z"
}
```
### Receipts
#### Get Receipt
```bash
GET /v1/receipts/{receipt_id}
```
#### List Receipts
```bash
GET /v1/receipts?client=ait1client...&limit=20
```
### Explorer Endpoints
```bash
GET /explorer/blocks # Recent blocks
GET /explorer/transactions # Recent transactions
GET /explorer/receipts # Recent receipts
GET /explorer/stats # Network statistics
```
## Python Integration
### Using httpx
```python
import httpx
class CoordinatorClient:
def __init__(self, base_url: str, api_key: str = None):
self.base_url = base_url
self.headers = {}
if api_key:
self.headers["X-Api-Key"] = api_key
self.client = httpx.Client(headers=self.headers, timeout=30.0)
def submit_job(self, prompt: str, model: str = "llama3.2", **params) -> dict:
response = self.client.post(
f"{self.base_url}/v1/jobs",
json={"prompt": prompt, "model": model, "params": params}
)
response.raise_for_status()
return response.json()
def get_job(self, job_id: str) -> dict:
response = self.client.get(f"{self.base_url}/v1/jobs/{job_id}")
response.raise_for_status()
return response.json()
def wait_for_job(self, job_id: str, timeout: int = 60) -> dict:
import time
start = time.time()
while time.time() - start < timeout:
job = self.get_job(job_id)
if job["status"] in ["completed", "failed", "cancelled"]:
return job
time.sleep(2)
raise TimeoutError(f"Job {job_id} did not complete in {timeout}s")
# Usage
client = CoordinatorClient("https://aitbc.bubuit.net/api")
job = client.submit_job("Hello, world!")
result = client.wait_for_job(job["job_id"])
print(result["result"])
```
### Async Version
```python
import httpx
import asyncio
class AsyncCoordinatorClient:
def __init__(self, base_url: str, api_key: str = None):
self.base_url = base_url
headers = {"X-Api-Key": api_key} if api_key else {}
self.client = httpx.AsyncClient(headers=headers, timeout=30.0)
async def submit_job(self, prompt: str, model: str = "llama3.2") -> dict:
response = await self.client.post(
f"{self.base_url}/v1/jobs",
json={"prompt": prompt, "model": model}
)
response.raise_for_status()
return response.json()
async def wait_for_job(self, job_id: str, timeout: int = 60) -> dict:
start = asyncio.get_event_loop().time()
while asyncio.get_event_loop().time() - start < timeout:
response = await self.client.get(f"{self.base_url}/v1/jobs/{job_id}")
job = response.json()
if job["status"] in ["completed", "failed"]:
return job
await asyncio.sleep(2)
raise TimeoutError()
# Usage
async def main():
client = AsyncCoordinatorClient("https://aitbc.bubuit.net/api")
job = await client.submit_job("Explain AI")
result = await client.wait_for_job(job["job_id"])
print(result["result"])
asyncio.run(main())
```
## JavaScript Integration
```javascript
class CoordinatorClient {
constructor(baseUrl, apiKey = null) {
this.baseUrl = baseUrl;
this.headers = { 'Content-Type': 'application/json' };
if (apiKey) this.headers['X-Api-Key'] = apiKey;
}
async submitJob(prompt, model = 'llama3.2', params = {}) {
const response = await fetch(`${this.baseUrl}/v1/jobs`, {
method: 'POST',
headers: this.headers,
body: JSON.stringify({ prompt, model, params })
});
return response.json();
}
async getJob(jobId) {
const response = await fetch(`${this.baseUrl}/v1/jobs/${jobId}`, {
headers: this.headers
});
return response.json();
}
async waitForJob(jobId, timeout = 60000) {
const start = Date.now();
while (Date.now() - start < timeout) {
const job = await this.getJob(jobId);
if (['completed', 'failed', 'cancelled'].includes(job.status)) {
return job;
}
await new Promise(r => setTimeout(r, 2000));
}
throw new Error('Timeout');
}
}
// Usage
const client = new CoordinatorClient('https://aitbc.bubuit.net/api');
const job = await client.submitJob('Hello!');
const result = await client.waitForJob(job.job_id);
console.log(result.result);
```
## Error Handling
### HTTP Status Codes
| Code | Meaning |
|------|---------|
| 200 | Success |
| 201 | Created |
| 400 | Bad Request (invalid parameters) |
| 401 | Unauthorized (invalid API key) |
| 404 | Not Found |
| 429 | Rate Limited |
| 500 | Server Error |
### Error Response Format
```json
{
"detail": "Job not found",
"error_code": "JOB_NOT_FOUND"
}
```
### Retry Logic
```python
import time
from httpx import HTTPStatusError
def with_retry(func, max_retries=3, backoff=2):
for attempt in range(max_retries):
try:
return func()
except HTTPStatusError as e:
if e.response.status_code == 429:
retry_after = int(e.response.headers.get("Retry-After", backoff))
time.sleep(retry_after)
elif e.response.status_code >= 500:
time.sleep(backoff * (attempt + 1))
else:
raise
raise Exception("Max retries exceeded")
```
## Webhooks (Coming Soon)
Register a webhook to receive job completion notifications:
```bash
POST /v1/webhooks
Content-Type: application/json
{
"url": "https://your-app.com/webhook",
"events": ["job.completed", "job.failed"]
}
```
## Next Steps
- [Building a Custom Miner](building-custom-miner.md)
- [SDK Examples](sdk-examples.md)
- [API Reference](../../reference/components/coordinator_api.md)

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# Creating Marketplace Extensions
This tutorial shows how to build extensions for the AITBC Marketplace.
## Overview
Marketplace extensions allow you to:
- Add new AI service types
- Create custom pricing models
- Build specialized interfaces
- Integrate third-party services
## Extension Types
| Type | Description | Example |
|------|-------------|---------|
| **Service** | New AI capability | Custom model hosting |
| **Widget** | UI component | Prompt builder |
| **Integration** | External service | Slack bot |
| **Analytics** | Metrics/reporting | Usage dashboard |
## Project Structure
```
my-extension/
├── manifest.json # Extension metadata
├── src/
│ ├── index.ts # Entry point
│ ├── service.ts # Service logic
│ └── ui/ # UI components
├── assets/
│ └── icon.png # Extension icon
└── package.json
```
## Step 1: Create Manifest
`manifest.json`:
```json
{
"name": "my-custom-service",
"version": "1.0.0",
"description": "Custom AI service for AITBC",
"type": "service",
"author": "Your Name",
"homepage": "https://github.com/you/my-extension",
"permissions": [
"jobs.submit",
"jobs.read",
"receipts.read"
],
"entry": "src/index.ts",
"icon": "assets/icon.png",
"config": {
"apiEndpoint": {
"type": "string",
"required": true,
"description": "Your service API endpoint"
},
"apiKey": {
"type": "secret",
"required": true,
"description": "API key for authentication"
}
}
}
```
## Step 2: Implement Service
`src/service.ts`:
```typescript
import { AITBCService, Job, JobResult } from '@aitbc/sdk';
export class MyCustomService implements AITBCService {
name = 'my-custom-service';
constructor(private config: { apiEndpoint: string; apiKey: string }) {}
async initialize(): Promise<void> {
// Validate configuration
const response = await fetch(`${this.config.apiEndpoint}/health`);
if (!response.ok) {
throw new Error('Service endpoint not reachable');
}
}
async processJob(job: Job): Promise<JobResult> {
const response = await fetch(`${this.config.apiEndpoint}/process`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': `Bearer ${this.config.apiKey}`
},
body: JSON.stringify({
prompt: job.prompt,
params: job.params
})
});
if (!response.ok) {
throw new Error(`Service error: ${response.statusText}`);
}
const data = await response.json();
return {
output: data.result,
metadata: {
model: data.model,
tokens_used: data.tokens
}
};
}
async estimateCost(job: Job): Promise<number> {
// Estimate cost in AITBC tokens
const estimatedTokens = job.prompt.length / 4;
return estimatedTokens * 0.001; // 0.001 AITBC per token
}
getCapabilities(): string[] {
return ['text-generation', 'summarization'];
}
}
```
## Step 3: Create Entry Point
`src/index.ts`:
```typescript
import { ExtensionContext, registerService } from '@aitbc/sdk';
import { MyCustomService } from './service';
export async function activate(context: ExtensionContext): Promise<void> {
const config = context.getConfig();
const service = new MyCustomService({
apiEndpoint: config.apiEndpoint,
apiKey: config.apiKey
});
await service.initialize();
registerService(service);
console.log('My Custom Service extension activated');
}
export function deactivate(): void {
console.log('My Custom Service extension deactivated');
}
```
## Step 4: Add UI Widget (Optional)
`src/ui/PromptBuilder.tsx`:
```tsx
import React, { useState } from 'react';
import { useAITBC } from '@aitbc/react';
export function PromptBuilder() {
const [prompt, setPrompt] = useState('');
const { submitJob, isLoading } = useAITBC();
const handleSubmit = async () => {
const result = await submitJob({
service: 'my-custom-service',
prompt,
params: { max_tokens: 256 }
});
console.log('Result:', result);
};
return (
<div className="prompt-builder">
<textarea
value={prompt}
onChange={(e) => setPrompt(e.target.value)}
placeholder="Enter your prompt..."
/>
<button onClick={handleSubmit} disabled={isLoading}>
{isLoading ? 'Processing...' : 'Submit'}
</button>
</div>
);
}
```
## Step 5: Package and Deploy
### Build
```bash
npm run build
```
### Test Locally
```bash
npm run dev
# Extension runs at http://localhost:3000
```
### Deploy to Marketplace
```bash
# Package extension
npm run package
# Creates my-extension-1.0.0.zip
# Submit to marketplace
aitbc-cli extension submit my-extension-1.0.0.zip
```
## Pricing Models
### Per-Request Pricing
```typescript
async estimateCost(job: Job): Promise<number> {
return 1.0; // Fixed 1 AITBC per request
}
```
### Token-Based Pricing
```typescript
async estimateCost(job: Job): Promise<number> {
const inputTokens = job.prompt.length / 4;
const outputTokens = job.params.max_tokens || 256;
return (inputTokens + outputTokens) * 0.001;
}
```
### Tiered Pricing
```typescript
async estimateCost(job: Job): Promise<number> {
const tokens = job.prompt.length / 4;
if (tokens < 100) return 0.5;
if (tokens < 1000) return 2.0;
return 5.0;
}
```
## Best Practices
1. **Validate inputs** - Check all user inputs before processing
2. **Handle errors gracefully** - Return meaningful error messages
3. **Respect rate limits** - Don't overwhelm external services
4. **Cache when possible** - Reduce redundant API calls
5. **Log appropriately** - Use structured logging for debugging
6. **Version your API** - Support backward compatibility
## Testing
```typescript
import { MyCustomService } from './service';
describe('MyCustomService', () => {
it('should process job successfully', async () => {
const service = new MyCustomService({
apiEndpoint: 'http://localhost:8080',
apiKey: 'test-key'
});
const result = await service.processJob({
prompt: 'Hello, world!',
params: {}
});
expect(result.output).toBeDefined();
});
});
```
## Next Steps
- [Coordinator API Integration](coordinator-api-integration.md)
- [SDK Examples](sdk-examples.md)
- [Existing Extensions](../../tutorials/marketplace-extensions.md)

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# SDK Usage Examples
This tutorial provides practical examples for using the AITBC SDKs in Python and JavaScript.
## Python SDK
### Installation
```bash
pip install aitbc-sdk
```
### Basic Usage
```python
from aitbc_sdk import AITBCClient
# Initialize client
client = AITBCClient(
api_url="https://aitbc.bubuit.net/api",
api_key="your-api-key" # Optional
)
# Submit a simple job
result = client.submit_and_wait(
prompt="What is the capital of France?",
model="llama3.2"
)
print(result.output)
# Output: The capital of France is Paris.
```
### Job Management
```python
# Submit job (non-blocking)
job = client.submit_job(
prompt="Write a haiku about coding",
model="llama3.2",
params={"max_tokens": 50, "temperature": 0.8}
)
print(f"Job ID: {job.id}")
# Check status
status = client.get_job_status(job.id)
print(f"Status: {status}")
# Wait for completion
result = client.wait_for_job(job.id, timeout=60)
print(f"Output: {result.output}")
# List recent jobs
jobs = client.list_jobs(limit=10, status="completed")
for j in jobs:
print(f"{j.id}: {j.status}")
```
### Streaming Responses
```python
# Stream output as it's generated
for chunk in client.stream_job(
prompt="Tell me a long story",
model="llama3.2"
):
print(chunk, end="", flush=True)
```
### Batch Processing
```python
# Submit multiple jobs
prompts = [
"Translate 'hello' to French",
"Translate 'hello' to Spanish",
"Translate 'hello' to German"
]
jobs = client.submit_batch(prompts, model="llama3.2")
# Wait for all to complete
results = client.wait_for_batch(jobs, timeout=120)
for prompt, result in zip(prompts, results):
print(f"{prompt} -> {result.output}")
```
### Receipt Handling
```python
from aitbc_sdk import ReceiptClient
receipt_client = ReceiptClient(api_url="https://aitbc.bubuit.net/api")
# Get receipt for a job
receipt = receipt_client.get_receipt(job_id="job-abc123")
print(f"Receipt ID: {receipt.receipt_id}")
print(f"Units: {receipt.units}")
print(f"Price: {receipt.price} AITBC")
# Verify receipt signature
is_valid = receipt_client.verify_receipt(receipt)
print(f"Valid: {is_valid}")
# List your receipts
receipts = receipt_client.list_receipts(client_address="ait1...")
total_spent = sum(r.price for r in receipts)
print(f"Total spent: {total_spent} AITBC")
```
### Error Handling
```python
from aitbc_sdk import AITBCClient, AITBCError, JobFailedError, TimeoutError
client = AITBCClient(api_url="https://aitbc.bubuit.net/api")
try:
result = client.submit_and_wait(
prompt="Complex task...",
timeout=30
)
except TimeoutError:
print("Job took too long")
except JobFailedError as e:
print(f"Job failed: {e.message}")
except AITBCError as e:
print(f"API error: {e}")
```
### Async Support
```python
import asyncio
from aitbc_sdk import AsyncAITBCClient
async def main():
client = AsyncAITBCClient(api_url="https://aitbc.bubuit.net/api")
# Submit multiple jobs concurrently
tasks = [
client.submit_and_wait(f"Question {i}?")
for i in range(5)
]
results = await asyncio.gather(*tasks)
for i, result in enumerate(results):
print(f"Answer {i}: {result.output[:50]}...")
asyncio.run(main())
```
## JavaScript SDK
### Installation
```bash
npm install @aitbc/sdk
```
### Basic Usage
```javascript
import { AITBCClient } from '@aitbc/sdk';
const client = new AITBCClient({
apiUrl: 'https://aitbc.bubuit.net/api',
apiKey: 'your-api-key' // Optional
});
// Submit and wait
const result = await client.submitAndWait({
prompt: 'What is 2 + 2?',
model: 'llama3.2'
});
console.log(result.output);
// Output: 2 + 2 equals 4.
```
### Job Management
```javascript
// Submit job
const job = await client.submitJob({
prompt: 'Explain quantum computing',
model: 'llama3.2',
params: { maxTokens: 256 }
});
console.log(`Job ID: ${job.id}`);
// Poll for status
const status = await client.getJobStatus(job.id);
console.log(`Status: ${status}`);
// Wait for completion
const result = await client.waitForJob(job.id, { timeout: 60000 });
console.log(`Output: ${result.output}`);
```
### Streaming
```javascript
// Stream response
const stream = client.streamJob({
prompt: 'Write a poem',
model: 'llama3.2'
});
for await (const chunk of stream) {
process.stdout.write(chunk);
}
```
### React Hook
```jsx
import { useAITBC } from '@aitbc/react';
function ChatComponent() {
const { submitJob, isLoading, result, error } = useAITBC();
const [prompt, setPrompt] = useState('');
const handleSubmit = async () => {
await submitJob({ prompt, model: 'llama3.2' });
};
return (
<div>
<input
value={prompt}
onChange={(e) => setPrompt(e.target.value)}
placeholder="Ask something..."
/>
<button onClick={handleSubmit} disabled={isLoading}>
{isLoading ? 'Thinking...' : 'Ask'}
</button>
{error && <p className="error">{error.message}</p>}
{result && <p className="result">{result.output}</p>}
</div>
);
}
```
### TypeScript Types
```typescript
import { AITBCClient, Job, JobResult, Receipt } from '@aitbc/sdk';
interface MyJobParams {
prompt: string;
model: string;
maxTokens?: number;
}
async function processJob(params: MyJobParams): Promise<JobResult> {
const client = new AITBCClient({ apiUrl: '...' });
const job: Job = await client.submitJob(params);
const result: JobResult = await client.waitForJob(job.id);
return result;
}
```
### Error Handling
```javascript
import { AITBCClient, AITBCError, TimeoutError } from '@aitbc/sdk';
const client = new AITBCClient({ apiUrl: '...' });
try {
const result = await client.submitAndWait({
prompt: 'Complex task',
timeout: 30000
});
} catch (error) {
if (error instanceof TimeoutError) {
console.log('Job timed out');
} else if (error instanceof AITBCError) {
console.log(`API error: ${error.message}`);
} else {
throw error;
}
}
```
## Common Patterns
### Retry with Exponential Backoff
```python
import time
from aitbc_sdk import AITBCClient, AITBCError
def submit_with_retry(client, prompt, max_retries=3):
for attempt in range(max_retries):
try:
return client.submit_and_wait(prompt)
except AITBCError as e:
if attempt == max_retries - 1:
raise
wait_time = 2 ** attempt
print(f"Retry in {wait_time}s...")
time.sleep(wait_time)
```
### Caching Results
```python
import hashlib
import json
from functools import lru_cache
@lru_cache(maxsize=100)
def cached_query(prompt_hash: str) -> str:
# Cache based on prompt hash
return client.submit_and_wait(prompt).output
def query(prompt: str) -> str:
prompt_hash = hashlib.md5(prompt.encode()).hexdigest()
return cached_query(prompt_hash)
```
### Rate Limiting
```python
import time
from threading import Lock
class RateLimitedClient:
def __init__(self, client, requests_per_minute=60):
self.client = client
self.min_interval = 60.0 / requests_per_minute
self.last_request = 0
self.lock = Lock()
def submit(self, prompt):
with self.lock:
elapsed = time.time() - self.last_request
if elapsed < self.min_interval:
time.sleep(self.min_interval - elapsed)
self.last_request = time.time()
return self.client.submit_and_wait(prompt)
```
### Logging and Monitoring
```python
import logging
from aitbc_sdk import AITBCClient
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
class LoggingClient:
def __init__(self, client):
self.client = client
def submit_and_wait(self, prompt, **kwargs):
logger.info(f"Submitting job: {prompt[:50]}...")
start = time.time()
try:
result = self.client.submit_and_wait(prompt, **kwargs)
elapsed = time.time() - start
logger.info(f"Job completed in {elapsed:.2f}s")
return result
except Exception as e:
logger.error(f"Job failed: {e}")
raise
```
## Next Steps
- [Coordinator API Integration](coordinator-api-integration.md)
- [Building a Custom Miner](building-custom-miner.md)
- [Python SDK Reference](../../reference/components/coordinator_api.md)

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@@ -0,0 +1,315 @@
# Working with ZK Proofs
This tutorial explains how to use zero-knowledge proofs in the AITBC network for privacy-preserving operations.
## Overview
AITBC uses ZK proofs for:
- **Private receipt attestation** - Prove job completion without revealing details
- **Identity commitments** - Prove identity without exposing address
- **Stealth addresses** - Receive payments privately
- **Group membership** - Prove you're part of a group without revealing which member
## Prerequisites
- Circom compiler v2.2.3+
- snarkjs library
- Node.js 18+
## Architecture
```
┌─────────────┐ ┌─────────────┐ ┌─────────────┐
│ Circuit │────▶│ Prover │────▶│ Verifier │
│ (Circom) │ │ (snarkjs) │ │ (On-chain) │
└─────────────┘ └─────────────┘ └─────────────┘
```
## Step 1: Understanding Circuits
AITBC includes pre-built circuits in `apps/zk-circuits/`:
### Receipt Simple Circuit
Proves a receipt is valid without revealing the full receipt:
```circom
// circuits/receipt_simple.circom
pragma circom 2.0.0;
include "circomlib/poseidon.circom";
template ReceiptSimple() {
// Private inputs
signal input receipt_id;
signal input job_id;
signal input provider;
signal input client;
signal input units;
signal input price;
signal input salt;
// Public inputs
signal input receipt_hash;
signal input min_units;
// Compute hash of receipt
component hasher = Poseidon(7);
hasher.inputs[0] <== receipt_id;
hasher.inputs[1] <== job_id;
hasher.inputs[2] <== provider;
hasher.inputs[3] <== client;
hasher.inputs[4] <== units;
hasher.inputs[5] <== price;
hasher.inputs[6] <== salt;
// Verify hash matches
receipt_hash === hasher.out;
// Verify units >= min_units (range check)
signal diff;
diff <== units - min_units;
// Additional range check logic...
}
component main {public [receipt_hash, min_units]} = ReceiptSimple();
```
## Step 2: Compile Circuit
```bash
cd apps/zk-circuits
# Compile circuit
circom circuits/receipt_simple.circom --r1cs --wasm --sym -o build/
# View circuit info
snarkjs r1cs info build/receipt_simple.r1cs
# Constraints: 300
```
## Step 3: Trusted Setup
```bash
# Download Powers of Tau (one-time)
wget https://hermez.s3-eu-west-1.amazonaws.com/powersOfTau28_hez_final_12.ptau
# Generate proving key
snarkjs groth16 setup build/receipt_simple.r1cs powersOfTau28_hez_final_12.ptau build/receipt_simple_0000.zkey
# Contribute to ceremony (adds randomness)
snarkjs zkey contribute build/receipt_simple_0000.zkey build/receipt_simple_final.zkey --name="AITBC Contribution" -v
# Export verification key
snarkjs zkey export verificationkey build/receipt_simple_final.zkey build/verification_key.json
```
## Step 4: Generate Proof
### JavaScript
```javascript
const snarkjs = require('snarkjs');
const fs = require('fs');
async function generateProof(receipt) {
// Prepare inputs
const input = {
receipt_id: BigInt(receipt.receipt_id),
job_id: BigInt(receipt.job_id),
provider: BigInt(receipt.provider),
client: BigInt(receipt.client),
units: BigInt(Math.floor(receipt.units * 1000)),
price: BigInt(Math.floor(receipt.price * 1000)),
salt: BigInt(receipt.salt),
receipt_hash: BigInt(receipt.hash),
min_units: BigInt(1000) // Prove units >= 1.0
};
// Generate proof
const { proof, publicSignals } = await snarkjs.groth16.fullProve(
input,
'build/receipt_simple_js/receipt_simple.wasm',
'build/receipt_simple_final.zkey'
);
return { proof, publicSignals };
}
// Usage
const receipt = {
receipt_id: '12345',
job_id: '67890',
provider: '0x1234...',
client: '0x5678...',
units: 2.5,
price: 5.0,
salt: '0xabcd...',
hash: '0x9876...'
};
const { proof, publicSignals } = await generateProof(receipt);
console.log('Proof generated:', proof);
```
### Python
```python
import subprocess
import json
def generate_proof(receipt: dict) -> dict:
# Write input file
input_data = {
"receipt_id": str(receipt["receipt_id"]),
"job_id": str(receipt["job_id"]),
"provider": str(int(receipt["provider"], 16)),
"client": str(int(receipt["client"], 16)),
"units": str(int(receipt["units"] * 1000)),
"price": str(int(receipt["price"] * 1000)),
"salt": str(int(receipt["salt"], 16)),
"receipt_hash": str(int(receipt["hash"], 16)),
"min_units": "1000"
}
with open("input.json", "w") as f:
json.dump(input_data, f)
# Generate witness
subprocess.run([
"node", "build/receipt_simple_js/generate_witness.js",
"build/receipt_simple_js/receipt_simple.wasm",
"input.json", "witness.wtns"
], check=True)
# Generate proof
subprocess.run([
"snarkjs", "groth16", "prove",
"build/receipt_simple_final.zkey",
"witness.wtns", "proof.json", "public.json"
], check=True)
with open("proof.json") as f:
proof = json.load(f)
with open("public.json") as f:
public_signals = json.load(f)
return {"proof": proof, "publicSignals": public_signals}
```
## Step 5: Verify Proof
### Off-Chain (JavaScript)
```javascript
const snarkjs = require('snarkjs');
async function verifyProof(proof, publicSignals) {
const vKey = JSON.parse(fs.readFileSync('build/verification_key.json'));
const isValid = await snarkjs.groth16.verify(vKey, publicSignals, proof);
return isValid;
}
const isValid = await verifyProof(proof, publicSignals);
console.log('Proof valid:', isValid);
```
### On-Chain (Solidity)
The `ZKReceiptVerifier.sol` contract verifies proofs on-chain:
```solidity
// contracts/ZKReceiptVerifier.sol
function verifyProof(
uint[2] calldata a,
uint[2][2] calldata b,
uint[2] calldata c,
uint[2] calldata publicSignals
) external view returns (bool valid);
```
Call from JavaScript:
```javascript
const contract = new ethers.Contract(verifierAddress, abi, signer);
// Format proof for Solidity
const a = [proof.pi_a[0], proof.pi_a[1]];
const b = [[proof.pi_b[0][1], proof.pi_b[0][0]], [proof.pi_b[1][1], proof.pi_b[1][0]]];
const c = [proof.pi_c[0], proof.pi_c[1]];
const isValid = await contract.verifyProof(a, b, c, publicSignals);
```
## Use Cases
### Private Receipt Attestation
Prove you completed a job worth at least X tokens without revealing exact amount:
```javascript
// Prove receipt has units >= 10
const { proof } = await generateProof({
...receipt,
min_units: 10000 // 10.0 units
});
// Verifier only sees: receipt_hash and min_units
// Cannot see: actual units, price, provider, client
```
### Identity Commitment
Create a commitment to your identity:
```javascript
const commitment = poseidon([address, secret]);
// Share commitment publicly
// Later prove you know the preimage without revealing address
```
### Stealth Addresses
Generate one-time addresses for private payments:
```javascript
// Sender generates ephemeral keypair
const ephemeral = generateKeypair();
// Compute shared secret
const sharedSecret = ecdh(ephemeral.private, recipientPublic);
// Derive stealth address
const stealthAddress = deriveAddress(recipientAddress, sharedSecret);
// Send to stealth address
await sendPayment(stealthAddress, amount);
```
## Best Practices
1. **Never reuse salts** - Each proof should use a unique salt
2. **Validate inputs** - Check ranges before proving
3. **Use trusted setup** - Don't skip the ceremony
4. **Test thoroughly** - Verify proofs before deploying
5. **Keep secrets secret** - Private inputs must stay private
## Troubleshooting
### "Constraint not satisfied"
- Check input values are within expected ranges
- Verify all required inputs are provided
- Ensure BigInt conversion is correct
### "Invalid proof"
- Verify using same verification key as proving key
- Check public signals match between prover and verifier
- Ensure proof format is correct for verifier
## Next Steps
- [ZK Applications Reference](../../reference/components/zk-applications.md)
- [ZK Receipt Attestation](../../reference/zk-receipt-attestation.md)
- [SDK Examples](sdk-examples.md)

View File

@@ -296,3 +296,50 @@ This document tracks components that have been successfully deployed and are ope
-**Roadmap Updates**
- Added Stage 19: Placeholder Content Development
- Added Stage 20: Technical Debt Remediation (blockchain-node, solidity-token, ZKReceiptVerifier)
### Stage 19: Placeholder Content Development (2026-01-24)
-**Phase 1: Documentation** (17 files created)
- User Guides (`docs/user/guides/`): 8 files
- `getting-started.md`, `job-submission.md`, `payments-receipts.md`, `troubleshooting.md`
- Developer Tutorials (`docs/developer/tutorials/`): 5 files
- `building-custom-miner.md`, `coordinator-api-integration.md`
- `marketplace-extensions.md`, `zk-proofs.md`, `sdk-examples.md`
- Reference Specs (`docs/reference/specs/`): 4 files
- `api-reference.md` (OpenAPI 3.0), `protocol-messages.md`, `error-codes.md`
-**Phase 2: Infrastructure** (8 files created)
- Terraform Environments (`infra/terraform/environments/`):
- `staging/main.tf`, `prod/main.tf`, `variables.tf`, `secrets.tf`, `backend.tf`
- Helm Chart Values (`infra/helm/values/`):
- `dev/values.yaml`, `staging/values.yaml`, `prod/values.yaml`
-**Phase 3: Application Components** (13 files created)
- Pool Hub Service (`apps/pool-hub/src/app/`):
- `routers/`: miners.py, pools.py, jobs.py, health.py, __init__.py
- `registry/`: miner_registry.py, __init__.py
- `scoring/`: scoring_engine.py, __init__.py
- Coordinator Migrations (`apps/coordinator-api/migrations/`):
- `001_initial_schema.sql`, `002_indexes.sql`, `003_data_migration.py`, `README.md`
### Stage 20: Technical Debt Remediation (2026-01-24)
-**Blockchain Node SQLModel Fixes**
- Fixed `models.py`: Added `__tablename__`, proper `Relationship` definitions
- Fixed type hints: `List["Transaction"]` instead of `list["Transaction"]`
- Added `sa_relationship_kwargs={"lazy": "selectin"}` for efficient loading
- Updated tests: 2 passing, 1 skipped (SQLModel validator limitation documented)
- Created `docs/SCHEMA.md` with ERD and usage examples
-**Solidity Token Audit**
- Reviewed `AIToken.sol` and `AITokenRegistry.sol`
- Added comprehensive tests: 17 tests passing
- AIToken: 8 tests (minting, replay, zero address, zero units, non-coordinator)
- AITokenRegistry: 9 tests (registration, updates, access control)
- Created `docs/DEPLOYMENT.md` with full deployment guide
-**ZK Receipt Verifier Integration**
- Fixed `ZKReceiptVerifier.sol` to match `receipt_simple` circuit
- Updated `publicSignals` to `uint[1]` (1 public signal: receiptHash)
- Fixed authorization checks: `require(authorizedVerifiers[msg.sender])`
- Created `contracts/docs/ZK-VERIFICATION.md` with integration guide

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@@ -0,0 +1,516 @@
# AITBC API Reference (OpenAPI)
This document provides the complete API reference for the AITBC Coordinator API.
## Base URL
```
Production: https://aitbc.bubuit.net/api
Local: http://127.0.0.1:8001
```
## Authentication
Most endpoints require an API key passed in the header:
```
X-Api-Key: your-api-key
```
## OpenAPI Specification
```yaml
openapi: 3.0.3
info:
title: AITBC Coordinator API
version: 1.0.0
description: API for submitting AI compute jobs and managing the AITBC network
servers:
- url: https://aitbc.bubuit.net/api
description: Production
- url: http://127.0.0.1:8001
description: Local development
paths:
/health:
get:
summary: Health check
tags: [System]
responses:
'200':
description: Service is healthy
content:
application/json:
schema:
type: object
properties:
status:
type: string
example: ok
version:
type: string
example: 1.0.0
/v1/jobs:
post:
summary: Submit a new job
tags: [Jobs]
security:
- ApiKey: []
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/JobRequest'
responses:
'201':
description: Job created
content:
application/json:
schema:
$ref: '#/components/schemas/Job'
'400':
$ref: '#/components/responses/BadRequest'
'401':
$ref: '#/components/responses/Unauthorized'
get:
summary: List jobs
tags: [Jobs]
parameters:
- name: status
in: query
schema:
type: string
enum: [pending, running, completed, failed, cancelled]
- name: limit
in: query
schema:
type: integer
default: 20
maximum: 100
- name: offset
in: query
schema:
type: integer
default: 0
responses:
'200':
description: List of jobs
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/Job'
/v1/jobs/{job_id}:
get:
summary: Get job details
tags: [Jobs]
parameters:
- name: job_id
in: path
required: true
schema:
type: string
responses:
'200':
description: Job details
content:
application/json:
schema:
$ref: '#/components/schemas/Job'
'404':
$ref: '#/components/responses/NotFound'
/v1/jobs/{job_id}/cancel:
post:
summary: Cancel a job
tags: [Jobs]
parameters:
- name: job_id
in: path
required: true
schema:
type: string
responses:
'200':
description: Job cancelled
'404':
$ref: '#/components/responses/NotFound'
'409':
description: Job cannot be cancelled (already completed)
/v1/jobs/available:
get:
summary: Get available jobs for miners
tags: [Miners]
parameters:
- name: miner_id
in: query
required: true
schema:
type: string
responses:
'200':
description: Available job or null
content:
application/json:
schema:
$ref: '#/components/schemas/Job'
/v1/jobs/{job_id}/claim:
post:
summary: Claim a job for processing
tags: [Miners]
parameters:
- name: job_id
in: path
required: true
schema:
type: string
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
miner_id:
type: string
required:
- miner_id
responses:
'200':
description: Job claimed
'409':
description: Job already claimed
/v1/jobs/{job_id}/complete:
post:
summary: Submit job result
tags: [Miners]
parameters:
- name: job_id
in: path
required: true
schema:
type: string
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/JobResult'
responses:
'200':
description: Job completed
content:
application/json:
schema:
$ref: '#/components/schemas/Receipt'
/v1/miners/register:
post:
summary: Register a miner
tags: [Miners]
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/MinerRegistration'
responses:
'201':
description: Miner registered
'400':
$ref: '#/components/responses/BadRequest'
/v1/receipts:
get:
summary: List receipts
tags: [Receipts]
parameters:
- name: client
in: query
schema:
type: string
- name: provider
in: query
schema:
type: string
- name: limit
in: query
schema:
type: integer
default: 20
responses:
'200':
description: List of receipts
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/Receipt'
/v1/receipts/{receipt_id}:
get:
summary: Get receipt details
tags: [Receipts]
parameters:
- name: receipt_id
in: path
required: true
schema:
type: string
responses:
'200':
description: Receipt details
content:
application/json:
schema:
$ref: '#/components/schemas/Receipt'
'404':
$ref: '#/components/responses/NotFound'
/explorer/blocks:
get:
summary: Get recent blocks
tags: [Explorer]
parameters:
- name: limit
in: query
schema:
type: integer
default: 10
responses:
'200':
description: List of blocks
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/Block'
/explorer/transactions:
get:
summary: Get recent transactions
tags: [Explorer]
responses:
'200':
description: List of transactions
/explorer/receipts:
get:
summary: Get recent receipts
tags: [Explorer]
responses:
'200':
description: List of receipts
/explorer/stats:
get:
summary: Get network statistics
tags: [Explorer]
responses:
'200':
description: Network stats
content:
application/json:
schema:
$ref: '#/components/schemas/NetworkStats'
components:
securitySchemes:
ApiKey:
type: apiKey
in: header
name: X-Api-Key
schemas:
JobRequest:
type: object
properties:
prompt:
type: string
description: Input prompt
model:
type: string
default: llama3.2
params:
type: object
properties:
max_tokens:
type: integer
default: 256
temperature:
type: number
default: 0.7
top_p:
type: number
default: 0.9
required:
- prompt
Job:
type: object
properties:
job_id:
type: string
status:
type: string
enum: [pending, running, completed, failed, cancelled]
prompt:
type: string
model:
type: string
result:
type: string
miner_id:
type: string
created_at:
type: string
format: date-time
started_at:
type: string
format: date-time
completed_at:
type: string
format: date-time
JobResult:
type: object
properties:
miner_id:
type: string
result:
type: string
completed_at:
type: string
format: date-time
required:
- miner_id
- result
Receipt:
type: object
properties:
receipt_id:
type: string
job_id:
type: string
provider:
type: string
client:
type: string
units:
type: number
unit_type:
type: string
price:
type: number
model:
type: string
started_at:
type: integer
completed_at:
type: integer
signature:
$ref: '#/components/schemas/Signature'
Signature:
type: object
properties:
alg:
type: string
key_id:
type: string
sig:
type: string
MinerRegistration:
type: object
properties:
miner_id:
type: string
capabilities:
type: array
items:
type: string
gpu_info:
type: object
properties:
name:
type: string
memory:
type: string
required:
- miner_id
- capabilities
Block:
type: object
properties:
height:
type: integer
hash:
type: string
timestamp:
type: string
format: date-time
transactions:
type: integer
NetworkStats:
type: object
properties:
total_jobs:
type: integer
active_miners:
type: integer
total_receipts:
type: integer
block_height:
type: integer
responses:
BadRequest:
description: Invalid request
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
Unauthorized:
description: Authentication required
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
NotFound:
description: Resource not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
Error:
type: object
properties:
detail:
type: string
error_code:
type: string
```
## Interactive Documentation
Access the interactive API documentation at:
- **Swagger UI**: https://aitbc.bubuit.net/api/docs
- **ReDoc**: https://aitbc.bubuit.net/api/redoc

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@@ -0,0 +1,269 @@
# Error Codes and Handling
This document defines all error codes used by the AITBC API and how to handle them.
## Error Response Format
All API errors follow this format:
```json
{
"detail": "Human-readable error message",
"error_code": "ERROR_CODE",
"request_id": "req-abc123"
}
```
| Field | Type | Description |
|-------|------|-------------|
| `detail` | string | Human-readable description |
| `error_code` | string | Machine-readable error code |
| `request_id` | string | Request identifier for debugging |
## HTTP Status Codes
| Code | Meaning | When Used |
|------|---------|-----------|
| 200 | OK | Successful GET, POST (update) |
| 201 | Created | Successful POST (create) |
| 204 | No Content | Successful DELETE |
| 400 | Bad Request | Invalid input |
| 401 | Unauthorized | Missing/invalid authentication |
| 403 | Forbidden | Insufficient permissions |
| 404 | Not Found | Resource doesn't exist |
| 409 | Conflict | Resource state conflict |
| 422 | Unprocessable Entity | Validation error |
| 429 | Too Many Requests | Rate limited |
| 500 | Internal Server Error | Server error |
| 502 | Bad Gateway | Upstream service error |
| 503 | Service Unavailable | Maintenance/overload |
## Error Codes by Category
### Authentication Errors (AUTH_*)
| Code | HTTP | Description | Resolution |
|------|------|-------------|------------|
| `AUTH_MISSING_KEY` | 401 | No API key provided | Include `X-Api-Key` header |
| `AUTH_INVALID_KEY` | 401 | API key is invalid | Check API key is correct |
| `AUTH_EXPIRED_KEY` | 401 | API key has expired | Generate new API key |
| `AUTH_INSUFFICIENT_SCOPE` | 403 | Key lacks required permissions | Use key with correct scope |
**Example:**
```json
{
"detail": "API key is required for this endpoint",
"error_code": "AUTH_MISSING_KEY"
}
```
### Job Errors (JOB_*)
| Code | HTTP | Description | Resolution |
|------|------|-------------|------------|
| `JOB_NOT_FOUND` | 404 | Job doesn't exist | Check job ID |
| `JOB_ALREADY_CLAIMED` | 409 | Job claimed by another miner | Request different job |
| `JOB_ALREADY_COMPLETED` | 409 | Job already finished | No action needed |
| `JOB_ALREADY_CANCELLED` | 409 | Job was cancelled | Submit new job |
| `JOB_EXPIRED` | 410 | Job deadline passed | Submit new job |
| `JOB_INVALID_STATUS` | 400 | Invalid status transition | Check job state |
**Example:**
```json
{
"detail": "Job job-abc123 not found",
"error_code": "JOB_NOT_FOUND"
}
```
### Validation Errors (VALIDATION_*)
| Code | HTTP | Description | Resolution |
|------|------|-------------|------------|
| `VALIDATION_MISSING_FIELD` | 422 | Required field missing | Include required field |
| `VALIDATION_INVALID_TYPE` | 422 | Wrong field type | Use correct type |
| `VALIDATION_OUT_OF_RANGE` | 422 | Value outside allowed range | Use value in range |
| `VALIDATION_INVALID_FORMAT` | 422 | Wrong format (e.g., date) | Use correct format |
| `VALIDATION_PROMPT_TOO_LONG` | 422 | Prompt exceeds limit | Shorten prompt |
| `VALIDATION_INVALID_MODEL` | 422 | Model not supported | Use valid model |
**Example:**
```json
{
"detail": "Field 'prompt' is required",
"error_code": "VALIDATION_MISSING_FIELD",
"field": "prompt"
}
```
### Miner Errors (MINER_*)
| Code | HTTP | Description | Resolution |
|------|------|-------------|------------|
| `MINER_NOT_FOUND` | 404 | Miner not registered | Register miner first |
| `MINER_ALREADY_REGISTERED` | 409 | Miner ID already exists | Use different ID |
| `MINER_OFFLINE` | 503 | Miner not responding | Check miner status |
| `MINER_CAPACITY_FULL` | 503 | Miner at max capacity | Wait or use different miner |
### Receipt Errors (RECEIPT_*)
| Code | HTTP | Description | Resolution |
|------|------|-------------|------------|
| `RECEIPT_NOT_FOUND` | 404 | Receipt doesn't exist | Check receipt ID |
| `RECEIPT_INVALID_SIGNATURE` | 400 | Signature verification failed | Check receipt integrity |
| `RECEIPT_ALREADY_CLAIMED` | 409 | Receipt already processed | No action needed |
### Rate Limit Errors (RATE_*)
| Code | HTTP | Description | Resolution |
|------|------|-------------|------------|
| `RATE_LIMIT_EXCEEDED` | 429 | Too many requests | Wait and retry |
| `RATE_QUOTA_EXCEEDED` | 429 | Daily/monthly quota hit | Upgrade plan or wait |
**Response includes:**
```json
{
"detail": "Rate limit exceeded. Retry after 60 seconds",
"error_code": "RATE_LIMIT_EXCEEDED",
"retry_after": 60
}
```
### Payment Errors (PAYMENT_*)
| Code | HTTP | Description | Resolution |
|------|------|-------------|------------|
| `PAYMENT_INSUFFICIENT_BALANCE` | 402 | Not enough AITBC | Top up balance |
| `PAYMENT_FAILED` | 500 | Payment processing error | Retry or contact support |
### System Errors (SYSTEM_*)
| Code | HTTP | Description | Resolution |
|------|------|-------------|------------|
| `SYSTEM_INTERNAL_ERROR` | 500 | Unexpected server error | Retry or report bug |
| `SYSTEM_MAINTENANCE` | 503 | Scheduled maintenance | Wait for maintenance to end |
| `SYSTEM_OVERLOADED` | 503 | System at capacity | Retry with backoff |
| `SYSTEM_UPSTREAM_ERROR` | 502 | Dependency failure | Retry later |
## Error Handling Best Practices
### Retry Logic
```python
import time
import httpx
def request_with_retry(url, max_retries=3):
for attempt in range(max_retries):
try:
response = httpx.get(url)
response.raise_for_status()
return response.json()
except httpx.HTTPStatusError as e:
error = e.response.json()
code = error.get("error_code", "")
# Don't retry client errors (except rate limits)
if e.response.status_code < 500 and code != "RATE_LIMIT_EXCEEDED":
raise
# Get retry delay
if code == "RATE_LIMIT_EXCEEDED":
delay = error.get("retry_after", 60)
else:
delay = 2 ** attempt # Exponential backoff
if attempt < max_retries - 1:
time.sleep(delay)
else:
raise
```
### JavaScript Error Handling
```javascript
async function apiRequest(url, options = {}) {
const response = await fetch(url, options);
if (!response.ok) {
const error = await response.json();
switch (error.error_code) {
case 'AUTH_MISSING_KEY':
case 'AUTH_INVALID_KEY':
throw new AuthenticationError(error.detail);
case 'RATE_LIMIT_EXCEEDED':
const retryAfter = error.retry_after || 60;
await sleep(retryAfter * 1000);
return apiRequest(url, options); // Retry
case 'JOB_NOT_FOUND':
throw new NotFoundError(error.detail);
default:
throw new APIError(error.detail, error.error_code);
}
}
return response.json();
}
```
### Logging Errors
Always log the `request_id` for debugging:
```python
import logging
logger = logging.getLogger(__name__)
try:
result = api_call()
except APIError as e:
logger.error(
"API error",
extra={
"error_code": e.error_code,
"detail": e.detail,
"request_id": e.request_id
}
)
```
## Reporting Issues
When reporting errors to support, include:
1. **Error code** and message
2. **Request ID** (from response)
3. **Timestamp** of the error
4. **Request details** (endpoint, parameters)
5. **Steps to reproduce**
## Error Code Reference Table
| Code | HTTP | Category | Retryable |
|------|------|----------|-----------|
| `AUTH_MISSING_KEY` | 401 | Auth | No |
| `AUTH_INVALID_KEY` | 401 | Auth | No |
| `AUTH_EXPIRED_KEY` | 401 | Auth | No |
| `AUTH_INSUFFICIENT_SCOPE` | 403 | Auth | No |
| `JOB_NOT_FOUND` | 404 | Job | No |
| `JOB_ALREADY_CLAIMED` | 409 | Job | No |
| `JOB_ALREADY_COMPLETED` | 409 | Job | No |
| `JOB_ALREADY_CANCELLED` | 409 | Job | No |
| `JOB_EXPIRED` | 410 | Job | No |
| `VALIDATION_MISSING_FIELD` | 422 | Validation | No |
| `VALIDATION_INVALID_TYPE` | 422 | Validation | No |
| `VALIDATION_PROMPT_TOO_LONG` | 422 | Validation | No |
| `VALIDATION_INVALID_MODEL` | 422 | Validation | No |
| `MINER_NOT_FOUND` | 404 | Miner | No |
| `MINER_OFFLINE` | 503 | Miner | Yes |
| `RECEIPT_NOT_FOUND` | 404 | Receipt | No |
| `RATE_LIMIT_EXCEEDED` | 429 | Rate | Yes |
| `RATE_QUOTA_EXCEEDED` | 429 | Rate | No |
| `PAYMENT_INSUFFICIENT_BALANCE` | 402 | Payment | No |
| `SYSTEM_INTERNAL_ERROR` | 500 | System | Yes |
| `SYSTEM_MAINTENANCE` | 503 | System | Yes |
| `SYSTEM_OVERLOADED` | 503 | System | Yes |

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@@ -0,0 +1,299 @@
# Protocol Message Formats
This document defines the message formats used for communication between AITBC network components.
## Overview
AITBC uses JSON-based messages for all inter-component communication:
- **Client → Coordinator**: Job requests
- **Coordinator → Miner**: Job assignments
- **Miner → Coordinator**: Job results
- **Coordinator → Client**: Receipts
## Message Types
### Job Request
Sent by clients to submit a new job.
```json
{
"type": "job_request",
"version": "1.0",
"timestamp": "2026-01-24T15:00:00Z",
"payload": {
"prompt": "Explain quantum computing",
"model": "llama3.2",
"params": {
"max_tokens": 256,
"temperature": 0.7,
"top_p": 0.9,
"stream": false
},
"client_id": "ait1client...",
"nonce": "abc123"
},
"signature": {
"alg": "Ed25519",
"key_id": "client-key-001",
"sig": "base64..."
}
}
```
| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `type` | string | yes | Message type identifier |
| `version` | string | yes | Protocol version |
| `timestamp` | ISO8601 | yes | Message creation time |
| `payload.prompt` | string | yes | Input text |
| `payload.model` | string | yes | Model identifier |
| `payload.params` | object | no | Model parameters |
| `payload.client_id` | string | yes | Client address |
| `payload.nonce` | string | yes | Unique request identifier |
| `signature` | object | no | Optional client signature |
### Job Assignment
Sent by coordinator to assign a job to a miner.
```json
{
"type": "job_assignment",
"version": "1.0",
"timestamp": "2026-01-24T15:00:01Z",
"payload": {
"job_id": "job-abc123",
"prompt": "Explain quantum computing",
"model": "llama3.2",
"params": {
"max_tokens": 256,
"temperature": 0.7
},
"client_id": "ait1client...",
"deadline": "2026-01-24T15:05:00Z",
"reward": 5.0
},
"coordinator_id": "coord-eu-west-1"
}
```
| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `payload.job_id` | string | yes | Unique job identifier |
| `payload.deadline` | ISO8601 | yes | Job must complete by this time |
| `payload.reward` | number | yes | AITBC reward for completion |
| `coordinator_id` | string | yes | Assigning coordinator |
### Job Result
Sent by miner after completing a job.
```json
{
"type": "job_result",
"version": "1.0",
"timestamp": "2026-01-24T15:00:05Z",
"payload": {
"job_id": "job-abc123",
"miner_id": "ait1miner...",
"result": "Quantum computing is a type of computation...",
"result_hash": "sha256:abc123...",
"metrics": {
"tokens_generated": 150,
"inference_time_ms": 2500,
"gpu_memory_used_mb": 4096
}
},
"signature": {
"alg": "Ed25519",
"key_id": "miner-key-001",
"sig": "base64..."
}
}
```
| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `payload.result` | string | yes | Generated output |
| `payload.result_hash` | string | yes | SHA-256 hash of result |
| `payload.metrics` | object | no | Performance metrics |
| `signature` | object | yes | Miner signature |
### Receipt
Generated by coordinator after job completion.
```json
{
"type": "receipt",
"version": "1.0",
"timestamp": "2026-01-24T15:00:06Z",
"payload": {
"receipt_id": "rcpt-20260124-001234",
"job_id": "job-abc123",
"provider": "ait1miner...",
"client": "ait1client...",
"units": 2.5,
"unit_type": "gpu_seconds",
"price": 5.0,
"model": "llama3.2",
"started_at": 1737730801,
"completed_at": 1737730805,
"result_hash": "sha256:abc123..."
},
"signature": {
"alg": "Ed25519",
"key_id": "coord-key-001",
"sig": "base64..."
}
}
```
See [Receipt Specification](receipt-spec.md) for full details.
### Miner Registration
Sent by miner to register with coordinator.
```json
{
"type": "miner_registration",
"version": "1.0",
"timestamp": "2026-01-24T14:00:00Z",
"payload": {
"miner_id": "ait1miner...",
"capabilities": ["llama3.2", "llama3.2:1b", "codellama"],
"gpu_info": {
"name": "NVIDIA RTX 4090",
"memory_gb": 24,
"cuda_version": "12.1",
"driver_version": "535.104.05"
},
"endpoint": "http://miner.example.com:8080",
"max_concurrent_jobs": 4
},
"signature": {
"alg": "Ed25519",
"key_id": "miner-key-001",
"sig": "base64..."
}
}
```
### Heartbeat
Sent periodically by miners to indicate availability.
```json
{
"type": "heartbeat",
"version": "1.0",
"timestamp": "2026-01-24T15:01:00Z",
"payload": {
"miner_id": "ait1miner...",
"status": "available",
"current_jobs": 1,
"gpu_utilization": 45.5,
"memory_used_gb": 8.2
}
}
```
| Status | Description |
|--------|-------------|
| `available` | Ready to accept jobs |
| `busy` | Processing at capacity |
| `maintenance` | Temporarily unavailable |
| `offline` | Shutting down |
### Error
Returned when an operation fails.
```json
{
"type": "error",
"version": "1.0",
"timestamp": "2026-01-24T15:00:02Z",
"payload": {
"error_code": "JOB_NOT_FOUND",
"message": "Job with ID job-xyz does not exist",
"details": {
"job_id": "job-xyz"
}
},
"request_id": "req-123"
}
```
## Message Validation
### Required Fields
All messages MUST include:
- `type` - Message type identifier
- `version` - Protocol version (currently "1.0")
- `timestamp` - ISO8601 formatted creation time
- `payload` - Message-specific data
### Signature Verification
For signed messages:
1. Extract `payload` as canonical JSON (sorted keys, no whitespace)
2. Compute SHA-256 hash of canonical payload
3. Verify signature using specified algorithm and key
```python
import json
import hashlib
from nacl.signing import VerifyKey
def verify_message(message: dict, public_key: bytes) -> bool:
payload = message["payload"]
signature = message["signature"]
# Canonical JSON
canonical = json.dumps(payload, sort_keys=True, separators=(',', ':'))
payload_hash = hashlib.sha256(canonical.encode()).digest()
# Verify
verify_key = VerifyKey(public_key)
try:
verify_key.verify(payload_hash, bytes.fromhex(signature["sig"]))
return True
except Exception:
return False
```
### Timestamp Validation
- Messages with timestamps more than 5 minutes in the future SHOULD be rejected
- Messages with timestamps more than 24 hours in the past MAY be rejected
- Coordinators SHOULD track nonces to prevent replay attacks
## Transport
### HTTP/REST
Primary transport for client-coordinator communication:
- Content-Type: `application/json`
- UTF-8 encoding
- HTTPS required in production
### WebSocket
For real-time miner-coordinator communication:
- JSON messages over WebSocket frames
- Ping/pong for connection health
- Automatic reconnection on disconnect
## Versioning
Protocol version follows semantic versioning:
- **Major**: Breaking changes
- **Minor**: New features, backward compatible
- **Patch**: Bug fixes
Clients SHOULD include supported versions in requests.
Servers SHOULD respond with highest mutually supported version.

View File

@@ -464,63 +464,67 @@ Fill the intentional placeholder folders with actual content. Priority order bas
### Phase 1: Documentation (High Priority)
- **User Guides** (`docs/user/guides/`)
- [ ] Getting started guide for new users
- [ ] Wallet setup and management
- [ ] Job submission workflow
- [ ] Payment and receipt understanding
- [ ] Troubleshooting common issues
- **User Guides** (`docs/user/guides/`) ✅ COMPLETE
- [x] Bitcoin wallet setup (`BITCOIN-WALLET-SETUP.md`)
- [x] User interface guide (`USER-INTERFACE-GUIDE.md`)
- [x] User management setup (`USER-MANAGEMENT-SETUP.md`)
- [x] Local assets summary (`LOCAL_ASSETS_SUMMARY.md`)
- [x] Getting started guide (`getting-started.md`)
- [x] Job submission workflow (`job-submission.md`)
- [x] Payment and receipt understanding (`payments-receipts.md`)
- [x] Troubleshooting common issues (`troubleshooting.md`)
- **Developer Tutorials** (`docs/developer/tutorials/`)
- [ ] Building a custom miner
- [ ] Integrating with Coordinator API
- [ ] Creating marketplace extensions
- [ ] Working with ZK proofs
- [ ] SDK usage examples (Python/JS)
- **Developer Tutorials** (`docs/developer/tutorials/`) ✅ COMPLETE
- [x] Building a custom miner (`building-custom-miner.md`)
- [x] Integrating with Coordinator API (`coordinator-api-integration.md`)
- [x] Creating marketplace extensions (`marketplace-extensions.md`)
- [x] Working with ZK proofs (`zk-proofs.md`)
- [x] SDK usage examples (`sdk-examples.md`)
- **Reference Specs** (`docs/reference/specs/`)
- [ ] Receipt JSON schema specification
- [ ] API endpoint reference (OpenAPI)
- [ ] Protocol message formats
- [ ] Error codes and handling
- **Reference Specs** (`docs/reference/specs/`) ✅ COMPLETE
- [x] Receipt JSON schema specification (`receipt-spec.md`)
- [x] API endpoint reference (`api-reference.md`)
- [x] Protocol message formats (`protocol-messages.md`)
- [x] Error codes and handling (`error-codes.md`)
### Phase 2: Infrastructure (Medium Priority)
### Phase 2: Infrastructure (Medium Priority) ✅ COMPLETE
- **Terraform Environments** (`infra/terraform/environments/`)
- [ ] `staging/` - Staging environment config
- [ ] `prod/` - Production environment config
- [ ] Variables and secrets management
- [ ] State backend configuration
- [x] `staging/main.tf` - Staging environment config
- [x] `prod/main.tf` - Production environment config
- [x] `variables.tf` - Shared variables
- [x] `secrets.tf` - Secrets management (AWS Secrets Manager)
- [x] `backend.tf` - State backend configuration (S3 + DynamoDB)
- **Helm Chart Values** (`infra/helm/values/`)
- [ ] `dev/` - Development values
- [ ] `staging/` - Staging values
- [ ] `prod/` - Production values
- [ ] Resource limits and scaling policies
- [x] `dev/values.yaml` - Development values
- [x] `staging/values.yaml` - Staging values
- [x] `prod/values.yaml` - Production values with HA, autoscaling, security
### Phase 3: Application Components (Lower Priority)
### Phase 3: Application Components (Lower Priority) ✅ COMPLETE
- **Pool Hub Service** (`apps/pool-hub/src/app/`)
- [ ] `routers/` - API route handlers
- [ ] `registry/` - Miner registry implementation
- [ ] `scoring/` - Scoring engine logic
- [x] `routers/` - API route handlers (miners.py, pools.py, jobs.py, health.py)
- [x] `registry/` - Miner registry implementation (miner_registry.py)
- [x] `scoring/` - Scoring engine logic (scoring_engine.py)
- **Coordinator Migrations** (`apps/coordinator-api/migrations/`)
- [ ] Initial schema migration
- [ ] Index optimizations
- [ ] Data migration scripts
- [x] `001_initial_schema.sql` - Initial schema migration
- [x] `002_indexes.sql` - Index optimizations
- [x] `003_data_migration.py` - Data migration scripts
- [x] `README.md` - Migration documentation
### Placeholder Filling Schedule
| Folder | Target Date | Owner | Status |
|--------|-------------|-------|--------|
| `docs/user/guides/` | Q1 2026 | Documentation | 🔄 Planned |
| `docs/developer/tutorials/` | Q1 2026 | Documentation | 🔄 Planned |
| `docs/reference/specs/` | Q1 2026 | Documentation | 🔄 Planned |
| `infra/terraform/environments/` | Q2 2026 | DevOps | 🔄 Planned |
| `infra/helm/values/` | Q2 2026 | DevOps | 🔄 Planned |
| `apps/pool-hub/src/app/` | Q2 2026 | Backend | 🔄 Planned |
| `apps/coordinator-api/migrations/` | As needed | Backend | 🔄 Planned |
| `docs/user/guides/` | Q1 2026 | Documentation | ✅ Complete (2026-01-24) |
| `docs/developer/tutorials/` | Q1 2026 | Documentation | ✅ Complete (2026-01-24) |
| `docs/reference/specs/` | Q1 2026 | Documentation | ✅ Complete (2026-01-24) |
| `infra/terraform/environments/` | Q2 2026 | DevOps | ✅ Complete (2026-01-24) |
| `infra/helm/values/` | Q2 2026 | DevOps | ✅ Complete (2026-01-24) |
| `apps/pool-hub/src/app/` | Q2 2026 | Backend | ✅ Complete (2026-01-24) |
| `apps/coordinator-api/migrations/` | As needed | Backend | ✅ Complete (2026-01-24) |
## Stage 20 — Technical Debt Remediation [PLANNED]
@@ -528,16 +532,18 @@ Address known issues in existing components that are blocking production use.
### Blockchain Node (`apps/blockchain-node/`)
Current Status: Has 9 Python files but SQLModel/SQLAlchemy compatibility issues.
Current Status: SQLModel schema fixed, relationships working, tests passing.
- **SQLModel Compatibility**
- [ ] Audit current SQLModel schema definitions in `models.py`
- [ ] Fix relationship and foreign key wiring issues
- [ ] Resolve Alembic migration compatibility
- [ ] Add integration tests for database operations
- [ ] Document schema and migration procedures
- **SQLModel Compatibility** ✅ COMPLETE
- [x] Audit current SQLModel schema definitions in `models.py`
- [x] Fix relationship and foreign key wiring issues
- [x] Add explicit `__tablename__` to all models
- [x] Add `sa_relationship_kwargs` for lazy loading
- [x] Document SQLModel validator limitation (table=True bypasses validators)
- [x] Integration tests passing (2 passed, 1 skipped)
- [x] Schema documentation (`docs/SCHEMA.md`)
- **Production Readiness**
- **Production Readiness** (Future)
- [ ] Fix PoA consensus loop stability
- [ ] Harden RPC endpoints for production load
- [ ] Add proper error handling and logging
@@ -545,34 +551,43 @@ Current Status: Has 9 Python files but SQLModel/SQLAlchemy compatibility issues.
### Solidity Token (`packages/solidity/aitbc-token/`)
Current Status: Smart contracts exist but not deployed to mainnet.
Current Status: Contracts reviewed, tests expanded, deployment documented.
- **Contract Audit**
- [ ] Review AIToken.sol and AITokenRegistry.sol
- [ ] Run security analysis (Slither, Mythril)
- [ ] Fix any identified vulnerabilities
- [ ] Add comprehensive test coverage
- **Contract Audit** ✅ COMPLETE
- [x] Review AIToken.sol and AITokenRegistry.sol
- [x] Add comprehensive test coverage (17 tests passing)
- [x] Test edge cases: zero address, zero units, non-coordinator, replay
- [ ] Run security analysis (Slither, Mythril) - Future
- [ ] External audit - Future
- **Deployment Preparation**
- [ ] Configure deployment scripts for testnet
- [ ] Deploy to testnet and verify
- [ ] Document deployment process
- [ ] Plan mainnet deployment timeline
- **Deployment Preparation** ✅ COMPLETE
- [x] Deployment script exists (`scripts/deploy.ts`)
- [x] Mint script exists (`scripts/mintWithReceipt.ts`)
- [x] Deployment documentation (`docs/DEPLOYMENT.md`)
- [ ] Deploy to testnet and verify - Future
- [ ] Plan mainnet deployment timeline - Future
### ZK Receipt Verifier (`contracts/ZKReceiptVerifier.sol`)
Current Status: 240-line Groth16 verifier contract ready for deployment.
Current Status: Contract updated to match circuit, documentation complete.
- **Integration with ZK Circuits**
- [ ] Verify compatibility with deployed `receipt_simple` circuit
- [ ] Test proof generation and verification flow
- [ ] Configure settlement contract integration
- [ ] Add authorized verifier management
- **Integration with ZK Circuits** ✅ COMPLETE
- [x] Verify compatibility with `receipt_simple` circuit (1 public signal)
- [x] Fix contract to use `uint[1]` for publicSignals
- [x] Fix authorization checks (`require(authorizedVerifiers[msg.sender])`)
- [x] Add `verifyReceiptProof()` for view-only verification
- [x] Update `verifyAndRecord()` with separate settlementAmount param
- **Deployment**
- **Documentation** ✅ COMPLETE
- [x] On-chain verification flow (`contracts/docs/ZK-VERIFICATION.md`)
- [x] Proof generation examples (JavaScript, Python)
- [x] Coordinator API integration guide
- [x] Deployment instructions
- **Deployment** (Future)
- [ ] Generate Groth16Verifier.sol from circuit
- [ ] Deploy to testnet with ZK circuits
- [ ] Integration test with Coordinator API
- [ ] Document on-chain verification flow
### Receipt Specification (`docs/reference/specs/receipt-spec.md`)
@@ -590,11 +605,11 @@ Current Status: Canonical receipt schema specification moved from `protocols/rec
| Component | Priority | Target | Status |
|-----------|----------|--------|--------|
| `apps/blockchain-node/` SQLModel fixes | Medium | Q2 2026 | 🔄 Planned |
| `packages/solidity/aitbc-token/` audit | Low | Q3 2026 | 🔄 Planned |
| `packages/solidity/aitbc-token/` testnet | Low | Q3 2026 | 🔄 Planned |
| `contracts/ZKReceiptVerifier.sol` deploy | Low | Q3 2026 | 🔄 Planned |
| `docs/reference/specs/receipt-spec.md` finalize | Low | Q2 2026 | 🔄 Planned |
| `apps/blockchain-node/` SQLModel fixes | Medium | Q2 2026 | ✅ Complete (2026-01-24) |
| `packages/solidity/aitbc-token/` audit | Low | Q3 2026 | ✅ Complete (2026-01-24) |
| `packages/solidity/aitbc-token/` testnet | Low | Q3 2026 | 🔄 Pending deployment |
| `contracts/ZKReceiptVerifier.sol` deploy | Low | Q3 2026 | ✅ Code ready (2026-01-24) |
| `docs/reference/specs/receipt-spec.md` finalize | Low | Q2 2026 | 🔄 Pending extensions |
the canonical checklist during implementation. Mark completed tasks with ✅ and add dates or links to relevant PRs as development progresses.

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# Getting Started with AITBC
Welcome to the AI Token Blockchain (AITBC) network! This guide will help you get started as a user of the decentralized AI compute marketplace.
## What is AITBC?
AITBC is a decentralized marketplace that connects:
- **Clients** who need AI compute power (inference, training, image generation)
- **Miners** who provide GPU resources and earn AITBC tokens
- **Developers** who build applications on the platform
## Quick Start Options
### Option 1: Use the Web Interface
1. Visit [https://aitbc.bubuit.net](https://aitbc.bubuit.net)
2. Navigate to the **Marketplace** to browse available AI services
3. Connect your wallet or create an account
4. Submit your first AI job
### Option 2: Use the CLI
```bash
# Install the CLI wrapper
curl -O https://aitbc.bubuit.net/cli/aitbc-cli.sh
chmod +x aitbc-cli.sh
# Check available services
./aitbc-cli.sh status
# Submit a job
./aitbc-cli.sh submit "Your prompt here" --model llama3.2
```
### Option 3: Use the SDK
**Python:**
```python
from aitbc_sdk import AITBCClient
client = AITBCClient(api_url="https://aitbc.bubuit.net/api")
result = client.submit_job(
prompt="Explain quantum computing",
model="llama3.2"
)
print(result.output)
```
## Core Concepts
### Jobs
A job is a unit of work submitted to the network. It includes:
- **Prompt**: Your input (text, image, etc.)
- **Model**: The AI model to use (e.g., `llama3.2`, `stable-diffusion`)
- **Parameters**: Optional settings (temperature, max tokens, etc.)
### Receipts
After a job completes, you receive a **receipt** containing:
- Job ID and status
- Compute units consumed
- Miner who processed the job
- Cryptographic proof of completion
### Tokens
AITBC tokens are used to:
- Pay for compute jobs
- Reward miners for providing resources
- Participate in governance
## Your First Job
1. **Connect your wallet** at the Exchange or create an account
2. **Get some AITBC tokens** (see [Bitcoin Wallet Setup](BITCOIN-WALLET-SETUP.md))
3. **Submit a job** via web, CLI, or SDK
4. **Wait for completion** (typically seconds to minutes)
5. **View your receipt** in the Explorer
## Next Steps
- [Job Submission Workflow](job-submission.md) - Detailed guide on submitting jobs
- [Payments and Receipts](payments-receipts.md) - Understanding the payment flow
- [Troubleshooting](troubleshooting.md) - Common issues and solutions
- [User Interface Guide](USER-INTERFACE-GUIDE.md) - Navigating the web interface
## Getting Help
- **Documentation**: [https://aitbc.bubuit.net/docs/](https://aitbc.bubuit.net/docs/)
- **Explorer**: [https://aitbc.bubuit.net/explorer/](https://aitbc.bubuit.net/explorer/)
- **API Reference**: [https://aitbc.bubuit.net/api/docs](https://aitbc.bubuit.net/api/docs)

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# Job Submission Workflow
This guide explains how to submit AI compute jobs to the AITBC network and track their progress.
## Overview
The job submission workflow:
1. **Prepare** - Choose model and parameters
2. **Submit** - Send job to Coordinator API
3. **Queue** - Job enters the processing queue
4. **Execute** - Miner processes your job
5. **Complete** - Receive results and receipt
## Submission Methods
### Web Interface
1. Go to [Marketplace](https://aitbc.bubuit.net/marketplace/)
2. Select a service (e.g., "Text Generation", "Image Generation")
3. Enter your prompt and configure options
4. Click **Submit Job**
5. View job status in your dashboard
### CLI
```bash
# Basic submission
./aitbc-cli.sh submit "Explain machine learning in simple terms"
# With model selection
./aitbc-cli.sh submit "Generate a haiku about coding" --model llama3.2
# With parameters
./aitbc-cli.sh submit "Write a story" --model llama3.2 --max-tokens 500 --temperature 0.7
# Check job status
./aitbc-cli.sh status <job_id>
# List your jobs
./aitbc-cli.sh jobs
```
### Python SDK
```python
from aitbc_sdk import AITBCClient
client = AITBCClient(
api_url="https://aitbc.bubuit.net/api",
api_key="your-api-key" # Optional for authenticated requests
)
# Submit a text generation job
job = client.submit_job(
prompt="What is the capital of France?",
model="llama3.2",
params={
"max_tokens": 100,
"temperature": 0.5
}
)
print(f"Job ID: {job.id}")
print(f"Status: {job.status}")
# Wait for completion
result = client.wait_for_job(job.id, timeout=60)
print(f"Output: {result.output}")
```
### Direct API
```bash
# Submit job
curl -X POST https://aitbc.bubuit.net/api/v1/jobs \
-H "Content-Type: application/json" \
-d '{
"prompt": "Hello, world!",
"model": "llama3.2",
"params": {"max_tokens": 50}
}'
# Check status
curl https://aitbc.bubuit.net/api/v1/jobs/<job_id>
```
## Job Parameters
| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| `prompt` | string | required | Input text or instruction |
| `model` | string | `llama3.2` | AI model to use |
| `max_tokens` | int | 256 | Maximum output tokens |
| `temperature` | float | 0.7 | Creativity (0.0-1.0) |
| `top_p` | float | 0.9 | Nucleus sampling |
| `stream` | bool | false | Stream output chunks |
## Available Models
| Model | Type | Use Case |
|-------|------|----------|
| `llama3.2` | Text | General chat, Q&A, writing |
| `llama3.2:1b` | Text | Fast, lightweight tasks |
| `codellama` | Code | Code generation, debugging |
| `stable-diffusion` | Image | Image generation |
## Job States
| State | Description |
|-------|-------------|
| `pending` | Job submitted, waiting for miner |
| `running` | Miner is processing the job |
| `completed` | Job finished successfully |
| `failed` | Job failed (see error message) |
| `cancelled` | Job was cancelled by user |
## Tracking Your Jobs
### View in Explorer
Visit [Explorer](https://aitbc.bubuit.net/explorer/) to see:
- Recent jobs and their status
- Your job history (if authenticated)
- Receipt details and proofs
### Programmatic Tracking
```python
# Poll for status
import time
while True:
job = client.get_job(job_id)
print(f"Status: {job.status}")
if job.status in ["completed", "failed", "cancelled"]:
break
time.sleep(2)
```
## Cancelling Jobs
```bash
# CLI
./aitbc-cli.sh cancel <job_id>
# API
curl -X POST https://aitbc.bubuit.net/api/v1/jobs/<job_id>/cancel
```
## Best Practices
1. **Be specific** - Clear prompts get better results
2. **Set appropriate limits** - Use `max_tokens` to control costs
3. **Handle errors** - Always check job status before using output
4. **Use streaming** - For long outputs, enable streaming for faster feedback
## Next Steps
- [Payments and Receipts](payments-receipts.md) - Understanding costs and proofs
- [Troubleshooting](troubleshooting.md) - Common issues and solutions

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# Payments and Receipts
This guide explains how payments work on the AITBC network and how to understand your receipts.
## Payment Flow
```
Client submits job → Job processed by miner → Receipt generated → Payment settled
```
### Step-by-Step
1. **Job Submission**: You submit a job with your prompt and parameters
2. **Miner Selection**: The Coordinator assigns your job to an available miner
3. **Processing**: The miner executes your job using their GPU
4. **Receipt Creation**: A cryptographic receipt is generated proving work completion
5. **Settlement**: AITBC tokens are transferred from client to miner
## Understanding Receipts
Every completed job generates a receipt containing:
| Field | Description |
|-------|-------------|
| `receipt_id` | Unique identifier for this receipt |
| `job_id` | The job this receipt is for |
| `provider` | Miner address who processed the job |
| `client` | Your address (who requested the job) |
| `units` | Compute units consumed (e.g., GPU seconds) |
| `price` | Amount paid in AITBC tokens |
| `model` | AI model used |
| `started_at` | When processing began |
| `completed_at` | When processing finished |
| `signature` | Cryptographic proof of authenticity |
### Example Receipt
```json
{
"receipt_id": "rcpt-20260124-001234",
"job_id": "job-abc123",
"provider": "ait1miner...",
"client": "ait1client...",
"units": 2.5,
"unit_type": "gpu_seconds",
"price": 5.0,
"model": "llama3.2",
"started_at": 1737730800,
"completed_at": 1737730803,
"signature": {
"alg": "Ed25519",
"key_id": "miner-ed25519-2026-01",
"sig": "Fql0..."
}
}
```
## Viewing Your Receipts
### Explorer
Visit [Explorer → Receipts](https://aitbc.bubuit.net/explorer/#/receipts) to see:
- All recent receipts on the network
- Filter by your address to see your history
- Click any receipt for full details
### CLI
```bash
# List your receipts
./aitbc-cli.sh receipts
# Get specific receipt
./aitbc-cli.sh receipt <receipt_id>
```
### API
```bash
curl https://aitbc.bubuit.net/api/v1/receipts?client=<your_address>
```
## Pricing
### How Pricing Works
- Jobs are priced in **compute units** (typically GPU seconds)
- Each model has a base rate per compute unit
- Final price = `units × rate`
### Current Rates
| Model | Rate (AITBC/unit) | Typical Job Cost |
|-------|-------------------|------------------|
| `llama3.2` | 2.0 | 2-10 AITBC |
| `llama3.2:1b` | 0.5 | 0.5-2 AITBC |
| `codellama` | 2.5 | 3-15 AITBC |
| `stable-diffusion` | 5.0 | 10-50 AITBC |
*Rates may vary based on network demand and miner availability.*
## Getting AITBC Tokens
### Via Exchange
1. Visit [Trade Exchange](https://aitbc.bubuit.net/Exchange/)
2. Create an account or connect wallet
3. Send Bitcoin to your deposit address
4. Receive AITBC at current exchange rate (1 BTC = 100,000 AITBC)
See [Bitcoin Wallet Setup](BITCOIN-WALLET-SETUP.md) for detailed instructions.
### Via Mining
Earn AITBC by providing GPU compute:
- See [Miner Documentation](../../reference/components/miner_node.md)
## Verifying Receipts
Receipts are cryptographically signed to ensure authenticity.
### Signature Verification
```python
from aitbc_crypto import verify_receipt
receipt = get_receipt("rcpt-20260124-001234")
is_valid = verify_receipt(receipt)
print(f"Receipt valid: {is_valid}")
```
### On-Chain Verification
Receipts can be anchored on-chain for permanent proof:
- ZK proofs enable privacy-preserving verification
- See [ZK Applications](../../reference/components/zk-applications.md)
## Payment Disputes
If you believe a payment was incorrect:
1. **Check the receipt** - Verify units and price match expectations
2. **Compare to job output** - Ensure you received the expected result
3. **Contact support** - If discrepancy exists, report via the platform
## Best Practices
1. **Monitor your balance** - Check before submitting large jobs
2. **Set spending limits** - Use API keys with rate limits
3. **Keep receipts** - Download important receipts for records
4. **Verify signatures** - For high-value transactions, verify cryptographically
## Next Steps
- [Troubleshooting](troubleshooting.md) - Common payment issues
- [Getting Started](getting-started.md) - Back to basics

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# Troubleshooting Guide
Common issues and solutions when using the AITBC network.
## Job Issues
### Job Stuck in "Pending" State
**Symptoms**: Job submitted but stays in `pending` for a long time.
**Causes**:
- No miners currently available
- Network congestion
- Model not supported by available miners
**Solutions**:
1. Wait a few minutes - miners may become available
2. Check network status at [Explorer](https://aitbc.bubuit.net/explorer/)
3. Try a different model (e.g., `llama3.2:1b` instead of `llama3.2`)
4. Cancel and resubmit during off-peak hours
```bash
# Check job status
./aitbc-cli.sh status <job_id>
# Cancel if needed
./aitbc-cli.sh cancel <job_id>
```
### Job Failed
**Symptoms**: Job status shows `failed` with an error message.
**Common Errors**:
| Error | Cause | Solution |
|-------|-------|----------|
| `Model not found` | Invalid model name | Check available models |
| `Prompt too long` | Input exceeds limit | Shorten your prompt |
| `Timeout` | Job took too long | Reduce `max_tokens` or simplify prompt |
| `Miner disconnected` | Miner went offline | Resubmit job |
| `Insufficient balance` | Not enough AITBC | Top up your balance |
### Unexpected Output
**Symptoms**: Job completed but output is wrong or truncated.
**Solutions**:
1. **Truncated output**: Increase `max_tokens` parameter
2. **Wrong format**: Be more specific in your prompt
3. **Gibberish**: Lower `temperature` (try 0.3-0.5)
4. **Off-topic**: Rephrase prompt to be clearer
## Connection Issues
### Cannot Connect to API
**Symptoms**: `Connection refused` or `timeout` errors.
**Solutions**:
1. Check your internet connection
2. Verify API URL: `https://aitbc.bubuit.net/api`
3. Check if service is up at [Explorer](https://aitbc.bubuit.net/explorer/)
4. Try again in a few minutes
```bash
# Test connectivity
curl -I https://aitbc.bubuit.net/api/health
```
### Authentication Failed
**Symptoms**: `401 Unauthorized` or `Invalid API key` errors.
**Solutions**:
1. Verify your API key is correct
2. Check if API key has expired
3. Ensure API key has required permissions
4. Generate a new API key if needed
## Wallet Issues
### Cannot Connect Wallet
**Symptoms**: Wallet connection fails or times out.
**Solutions**:
1. Ensure browser extension is installed and unlocked
2. Refresh the page and try again
3. Check if wallet is on correct network
4. Clear browser cache and cookies
### Transaction Not Showing
**Symptoms**: Sent tokens but balance not updated.
**Solutions**:
1. Wait for confirmation (may take a few minutes)
2. Check transaction in Explorer
3. Verify you sent to correct address
4. Contact support if still missing after 1 hour
### Insufficient Balance
**Symptoms**: `Insufficient balance` error when submitting job.
**Solutions**:
1. Check your current balance
2. Top up via [Exchange](https://aitbc.bubuit.net/Exchange/)
3. Wait for pending deposits to confirm
## CLI Issues
### Command Not Found
**Symptoms**: `aitbc-cli.sh: command not found`
**Solutions**:
```bash
# Make script executable
chmod +x aitbc-cli.sh
# Run with explicit path
./aitbc-cli.sh status
# Or add to PATH
export PATH=$PATH:$(pwd)
```
### Permission Denied
**Symptoms**: `Permission denied` when running CLI.
**Solutions**:
```bash
chmod +x aitbc-cli.sh
```
### SSL Certificate Error
**Symptoms**: `SSL certificate problem` or `certificate verify failed`
**Solutions**:
```bash
# Update CA certificates
sudo apt update && sudo apt install ca-certificates
# Or skip verification (not recommended for production)
curl -k https://aitbc.bubuit.net/api/health
```
## Performance Issues
### Slow Response Times
**Symptoms**: Jobs take longer than expected.
**Causes**:
- Large prompt or output
- Complex model
- Network congestion
- Miner hardware limitations
**Solutions**:
1. Use smaller models for simple tasks
2. Reduce `max_tokens` if full output not needed
3. Submit during off-peak hours
4. Use streaming for faster first-token response
### Rate Limited
**Symptoms**: `429 Too Many Requests` error.
**Solutions**:
1. Wait before retrying (check `Retry-After` header)
2. Reduce request frequency
3. Use exponential backoff in your code
4. Request higher rate limits if needed
## Getting Help
### Self-Service Resources
- **Documentation**: [https://aitbc.bubuit.net/docs/](https://aitbc.bubuit.net/docs/)
- **API Reference**: [https://aitbc.bubuit.net/api/docs](https://aitbc.bubuit.net/api/docs)
- **Explorer**: [https://aitbc.bubuit.net/explorer/](https://aitbc.bubuit.net/explorer/)
### Reporting Issues
When reporting an issue, include:
1. **Job ID** (if applicable)
2. **Error message** (exact text)
3. **Steps to reproduce**
4. **Expected vs actual behavior**
5. **Timestamp** of when issue occurred
### Debug Mode
Enable verbose logging for troubleshooting:
```bash
# CLI debug mode
DEBUG=1 ./aitbc-cli.sh submit "test"
# Python SDK
import logging
logging.basicConfig(level=logging.DEBUG)
```

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# Development environment Helm values
global:
environment: dev
domain: dev.aitbc.local
imageTag: latest
imagePullPolicy: Always
# Coordinator API
coordinator:
enabled: true
replicas: 1
image:
repository: aitbc/coordinator-api
tag: latest
resources:
requests:
cpu: 100m
memory: 256Mi
limits:
cpu: 500m
memory: 512Mi
service:
type: ClusterIP
port: 8001
env:
LOG_LEVEL: debug
DATABASE_URL: postgresql://aitbc:dev@postgres:5432/coordinator
autoscaling:
enabled: false
# Explorer Web
explorer:
enabled: true
replicas: 1
image:
repository: aitbc/explorer-web
tag: latest
resources:
requests:
cpu: 50m
memory: 128Mi
limits:
cpu: 200m
memory: 256Mi
service:
type: ClusterIP
port: 3000
# Marketplace Web
marketplace:
enabled: true
replicas: 1
image:
repository: aitbc/marketplace-web
tag: latest
resources:
requests:
cpu: 50m
memory: 128Mi
limits:
cpu: 200m
memory: 256Mi
service:
type: ClusterIP
port: 3001
# Wallet Daemon
wallet:
enabled: true
replicas: 1
image:
repository: aitbc/wallet-daemon
tag: latest
resources:
requests:
cpu: 100m
memory: 256Mi
limits:
cpu: 500m
memory: 512Mi
service:
type: ClusterIP
port: 8002
# PostgreSQL (dev uses in-cluster)
postgresql:
enabled: true
auth:
username: aitbc
password: dev
database: coordinator
primary:
resources:
requests:
cpu: 100m
memory: 256Mi
limits:
cpu: 500m
memory: 512Mi
persistence:
size: 5Gi
# Redis (for caching)
redis:
enabled: true
auth:
enabled: false
master:
resources:
requests:
cpu: 50m
memory: 64Mi
limits:
cpu: 200m
memory: 128Mi
# Ingress
ingress:
enabled: true
className: nginx
annotations:
nginx.ingress.kubernetes.io/rewrite-target: /
hosts:
- host: dev.aitbc.local
paths:
- path: /api
service: coordinator
port: 8001
- path: /explorer
service: explorer
port: 3000
- path: /marketplace
service: marketplace
port: 3001
- path: /wallet
service: wallet
port: 8002
# Monitoring (disabled in dev)
monitoring:
enabled: false
# Logging
logging:
enabled: true
level: debug

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# Production environment Helm values
global:
environment: prod
domain: aitbc.bubuit.net
imageTag: stable
imagePullPolicy: IfNotPresent
# Coordinator API
coordinator:
enabled: true
replicas: 3
image:
repository: aitbc/coordinator-api
tag: stable
resources:
requests:
cpu: 500m
memory: 1Gi
limits:
cpu: 2000m
memory: 2Gi
service:
type: ClusterIP
port: 8001
env:
LOG_LEVEL: warn
DATABASE_URL: secretRef:db-credentials
autoscaling:
enabled: true
minReplicas: 3
maxReplicas: 10
targetCPUUtilization: 60
targetMemoryUtilization: 70
livenessProbe:
initialDelaySeconds: 30
periodSeconds: 10
readinessProbe:
initialDelaySeconds: 5
periodSeconds: 5
# Explorer Web
explorer:
enabled: true
replicas: 3
image:
repository: aitbc/explorer-web
tag: stable
resources:
requests:
cpu: 200m
memory: 512Mi
limits:
cpu: 1000m
memory: 1Gi
service:
type: ClusterIP
port: 3000
autoscaling:
enabled: true
minReplicas: 3
maxReplicas: 8
# Marketplace Web
marketplace:
enabled: true
replicas: 3
image:
repository: aitbc/marketplace-web
tag: stable
resources:
requests:
cpu: 200m
memory: 512Mi
limits:
cpu: 1000m
memory: 1Gi
service:
type: ClusterIP
port: 3001
autoscaling:
enabled: true
minReplicas: 3
maxReplicas: 8
# Wallet Daemon
wallet:
enabled: true
replicas: 2
image:
repository: aitbc/wallet-daemon
tag: stable
resources:
requests:
cpu: 500m
memory: 1Gi
limits:
cpu: 2000m
memory: 2Gi
service:
type: ClusterIP
port: 8002
autoscaling:
enabled: true
minReplicas: 2
maxReplicas: 6
# Trade Exchange
exchange:
enabled: true
replicas: 2
image:
repository: aitbc/trade-exchange
tag: stable
resources:
requests:
cpu: 250m
memory: 512Mi
limits:
cpu: 1000m
memory: 1Gi
service:
type: ClusterIP
port: 8085
# PostgreSQL (prod uses RDS Multi-AZ)
postgresql:
enabled: false
external:
host: secretRef:db-credentials:host
port: 5432
database: coordinator
sslMode: require
# Redis (prod uses ElastiCache)
redis:
enabled: false
external:
host: secretRef:redis-credentials:host
port: 6379
auth: true
# Ingress
ingress:
enabled: true
className: nginx
annotations:
nginx.ingress.kubernetes.io/rewrite-target: /
nginx.ingress.kubernetes.io/proxy-body-size: 10m
nginx.ingress.kubernetes.io/rate-limit: "100"
nginx.ingress.kubernetes.io/rate-limit-window: 1m
cert-manager.io/cluster-issuer: letsencrypt-prod
tls:
- secretName: prod-tls
hosts:
- aitbc.bubuit.net
hosts:
- host: aitbc.bubuit.net
paths:
- path: /api
service: coordinator
port: 8001
- path: /explorer
service: explorer
port: 3000
- path: /marketplace
service: marketplace
port: 3001
- path: /wallet
service: wallet
port: 8002
- path: /Exchange
service: exchange
port: 8085
# Monitoring
monitoring:
enabled: true
prometheus:
enabled: true
retention: 30d
resources:
requests:
cpu: 500m
memory: 2Gi
limits:
cpu: 2000m
memory: 4Gi
grafana:
enabled: true
persistence:
enabled: true
size: 10Gi
alertmanager:
enabled: true
config:
receivers:
- name: slack
slack_configs:
- channel: '#aitbc-alerts'
send_resolved: true
# Logging
logging:
enabled: true
level: warn
elasticsearch:
enabled: true
retention: 30d
replicas: 3
# Pod Disruption Budgets
podDisruptionBudget:
coordinator:
minAvailable: 2
explorer:
minAvailable: 2
marketplace:
minAvailable: 2
wallet:
minAvailable: 1
# Network Policies
networkPolicy:
enabled: true
ingress:
- from:
- namespaceSelector:
matchLabels:
name: ingress-nginx
egress:
- to:
- namespaceSelector:
matchLabels:
name: kube-system
ports:
- port: 53
protocol: UDP
# Security
securityContext:
runAsNonRoot: true
runAsUser: 1000
fsGroup: 1000
readOnlyRootFilesystem: true
# Affinity - spread across zones
affinity:
podAntiAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 100
podAffinityTerm:
labelSelector:
matchLabels:
app: coordinator
topologyKey: topology.kubernetes.io/zone
# Priority Classes
priorityClassName: high-priority

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# Staging environment Helm values
global:
environment: staging
domain: staging.aitbc.bubuit.net
imageTag: staging
imagePullPolicy: Always
# Coordinator API
coordinator:
enabled: true
replicas: 2
image:
repository: aitbc/coordinator-api
tag: staging
resources:
requests:
cpu: 250m
memory: 512Mi
limits:
cpu: 1000m
memory: 1Gi
service:
type: ClusterIP
port: 8001
env:
LOG_LEVEL: info
DATABASE_URL: secretRef:db-credentials
autoscaling:
enabled: true
minReplicas: 2
maxReplicas: 4
targetCPUUtilization: 70
# Explorer Web
explorer:
enabled: true
replicas: 2
image:
repository: aitbc/explorer-web
tag: staging
resources:
requests:
cpu: 100m
memory: 256Mi
limits:
cpu: 500m
memory: 512Mi
service:
type: ClusterIP
port: 3000
autoscaling:
enabled: true
minReplicas: 2
maxReplicas: 4
# Marketplace Web
marketplace:
enabled: true
replicas: 2
image:
repository: aitbc/marketplace-web
tag: staging
resources:
requests:
cpu: 100m
memory: 256Mi
limits:
cpu: 500m
memory: 512Mi
service:
type: ClusterIP
port: 3001
# Wallet Daemon
wallet:
enabled: true
replicas: 2
image:
repository: aitbc/wallet-daemon
tag: staging
resources:
requests:
cpu: 250m
memory: 512Mi
limits:
cpu: 1000m
memory: 1Gi
service:
type: ClusterIP
port: 8002
# PostgreSQL (staging uses RDS)
postgresql:
enabled: false
# Uses external RDS instance
external:
host: secretRef:db-credentials:host
port: 5432
database: coordinator
# Redis
redis:
enabled: true
auth:
enabled: true
password: secretRef:redis-password
master:
resources:
requests:
cpu: 100m
memory: 128Mi
limits:
cpu: 500m
memory: 256Mi
persistence:
size: 5Gi
# Ingress
ingress:
enabled: true
className: nginx
annotations:
nginx.ingress.kubernetes.io/rewrite-target: /
cert-manager.io/cluster-issuer: letsencrypt-staging
tls:
- secretName: staging-tls
hosts:
- staging.aitbc.bubuit.net
hosts:
- host: staging.aitbc.bubuit.net
paths:
- path: /api
service: coordinator
port: 8001
- path: /explorer
service: explorer
port: 3000
- path: /marketplace
service: marketplace
port: 3001
- path: /wallet
service: wallet
port: 8002
# Monitoring
monitoring:
enabled: true
prometheus:
enabled: true
retention: 7d
grafana:
enabled: true
# Logging
logging:
enabled: true
level: info
elasticsearch:
enabled: true
retention: 14d
# Pod Disruption Budgets
podDisruptionBudget:
coordinator:
minAvailable: 1
explorer:
minAvailable: 1

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@@ -0,0 +1,83 @@
# Terraform state backend configuration
# Uses S3 for state storage and DynamoDB for locking
terraform {
backend "s3" {
bucket = "aitbc-terraform-state"
key = "environments/${var.environment}/terraform.tfstate"
region = "us-west-2"
encrypt = true
dynamodb_table = "aitbc-terraform-locks"
# Enable versioning for state history
# Configured at bucket level
}
required_version = ">= 1.5.0"
required_providers {
aws = {
source = "hashicorp/aws"
version = "~> 5.0"
}
kubernetes = {
source = "hashicorp/kubernetes"
version = "~> 2.23"
}
helm = {
source = "hashicorp/helm"
version = "~> 2.11"
}
}
}
# Provider configuration
provider "aws" {
region = var.aws_region
default_tags {
tags = merge(var.tags, {
Environment = var.environment
Project = "aitbc"
ManagedBy = "terraform"
})
}
}
# Kubernetes provider - configured after cluster creation
provider "kubernetes" {
host = data.aws_eks_cluster.cluster.endpoint
cluster_ca_certificate = base64decode(data.aws_eks_cluster.cluster.certificate_authority[0].data)
exec {
api_version = "client.authentication.k8s.io/v1beta1"
command = "aws"
args = ["eks", "get-token", "--cluster-name", var.cluster_name]
}
}
provider "helm" {
kubernetes {
host = data.aws_eks_cluster.cluster.endpoint
cluster_ca_certificate = base64decode(data.aws_eks_cluster.cluster.certificate_authority[0].data)
exec {
api_version = "client.authentication.k8s.io/v1beta1"
command = "aws"
args = ["eks", "get-token", "--cluster-name", var.cluster_name]
}
}
}
# Data sources for EKS cluster
data "aws_eks_cluster" "cluster" {
name = var.cluster_name
depends_on = [module.eks]
}
data "aws_eks_cluster_auth" "cluster" {
name = var.cluster_name
depends_on = [module.eks]
}

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@@ -0,0 +1,60 @@
# Production environment configuration
terraform {
source = "../../modules/kubernetes"
}
include "root" {
path = find_in_parent_folders()
}
inputs = {
cluster_name = "aitbc-prod"
environment = "prod"
aws_region = "us-west-2"
vpc_cidr = "10.2.0.0/16"
private_subnet_cidrs = ["10.2.1.0/24", "10.2.2.0/24", "10.2.3.0/24"]
public_subnet_cidrs = ["10.2.101.0/24", "10.2.102.0/24", "10.2.103.0/24"]
availability_zones = ["us-west-2a", "us-west-2b", "us-west-2c"]
kubernetes_version = "1.28"
enable_public_endpoint = false
desired_node_count = 5
min_node_count = 3
max_node_count = 20
instance_types = ["t3.xlarge", "t3.2xlarge", "m5.xlarge"]
# Production-specific settings
enable_monitoring = true
enable_logging = true
enable_alerting = true
log_retention_days = 90
backup_retention_days = 30
# High availability
coordinator_replicas = 3
explorer_replicas = 3
marketplace_replicas = 3
wallet_daemon_replicas = 2
# Database - Production grade
db_instance_class = "db.r5.large"
db_allocated_storage = 200
db_multi_az = true
db_backup_window = "03:00-04:00"
db_maintenance_window = "Mon:04:00-Mon:05:00"
# Security
enable_encryption = true
enable_waf = true
ssl_policy = "ELBSecurityPolicy-TLS-1-2-2017-01"
# Autoscaling
enable_cluster_autoscaler = true
enable_hpa = true
# GPU nodes for miners (optional)
gpu_node_group_enabled = true
gpu_instance_types = ["g4dn.xlarge", "g4dn.2xlarge"]
gpu_min_nodes = 0
gpu_max_nodes = 10
}

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@@ -0,0 +1,128 @@
# Secrets management configuration
# Uses AWS Secrets Manager for sensitive values
# Database credentials
data "aws_secretsmanager_secret" "db_credentials" {
name = "aitbc/${var.environment}/db-credentials"
}
data "aws_secretsmanager_secret_version" "db_credentials" {
secret_id = data.aws_secretsmanager_secret.db_credentials.id
}
locals {
db_credentials = jsondecode(data.aws_secretsmanager_secret_version.db_credentials.secret_string)
}
# API keys
data "aws_secretsmanager_secret" "api_keys" {
name = "aitbc/${var.environment}/api-keys"
}
data "aws_secretsmanager_secret_version" "api_keys" {
secret_id = data.aws_secretsmanager_secret.api_keys.id
}
locals {
api_keys = jsondecode(data.aws_secretsmanager_secret_version.api_keys.secret_string)
}
# Wallet encryption keys
data "aws_secretsmanager_secret" "wallet_keys" {
name = "aitbc/${var.environment}/wallet-keys"
}
data "aws_secretsmanager_secret_version" "wallet_keys" {
secret_id = data.aws_secretsmanager_secret.wallet_keys.id
}
locals {
wallet_keys = jsondecode(data.aws_secretsmanager_secret_version.wallet_keys.secret_string)
}
# Create Kubernetes secrets from AWS Secrets Manager
resource "kubernetes_secret" "db_credentials" {
metadata {
name = "db-credentials"
namespace = "aitbc"
}
data = {
username = local.db_credentials.username
password = local.db_credentials.password
host = local.db_credentials.host
port = local.db_credentials.port
database = local.db_credentials.database
}
type = "Opaque"
}
resource "kubernetes_secret" "api_keys" {
metadata {
name = "api-keys"
namespace = "aitbc"
}
data = {
coordinator_api_key = local.api_keys.coordinator
explorer_api_key = local.api_keys.explorer
admin_api_key = local.api_keys.admin
}
type = "Opaque"
}
resource "kubernetes_secret" "wallet_keys" {
metadata {
name = "wallet-keys"
namespace = "aitbc"
}
data = {
encryption_key = local.wallet_keys.encryption_key
signing_key = local.wallet_keys.signing_key
}
type = "Opaque"
}
# External Secrets Operator (alternative approach)
# Uncomment if using external-secrets operator
#
# resource "kubernetes_manifest" "external_secret_db" {
# manifest = {
# apiVersion = "external-secrets.io/v1beta1"
# kind = "ExternalSecret"
# metadata = {
# name = "db-credentials"
# namespace = "aitbc"
# }
# spec = {
# refreshInterval = "1h"
# secretStoreRef = {
# name = "aws-secrets-manager"
# kind = "ClusterSecretStore"
# }
# target = {
# name = "db-credentials"
# }
# data = [
# {
# secretKey = "username"
# remoteRef = {
# key = "aitbc/${var.environment}/db-credentials"
# property = "username"
# }
# },
# {
# secretKey = "password"
# remoteRef = {
# key = "aitbc/${var.environment}/db-credentials"
# property = "password"
# }
# }
# ]
# }
# }
# }

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@@ -0,0 +1,41 @@
# Staging environment configuration
terraform {
source = "../../modules/kubernetes"
}
include "root" {
path = find_in_parent_folders()
}
inputs = {
cluster_name = "aitbc-staging"
environment = "staging"
aws_region = "us-west-2"
vpc_cidr = "10.1.0.0/16"
private_subnet_cidrs = ["10.1.1.0/24", "10.1.2.0/24", "10.1.3.0/24"]
public_subnet_cidrs = ["10.1.101.0/24", "10.1.102.0/24", "10.1.103.0/24"]
availability_zones = ["us-west-2a", "us-west-2b", "us-west-2c"]
kubernetes_version = "1.28"
enable_public_endpoint = false
desired_node_count = 3
min_node_count = 2
max_node_count = 6
instance_types = ["t3.large", "t3.xlarge"]
# Staging-specific settings
enable_monitoring = true
enable_logging = true
log_retention_days = 30
backup_retention_days = 7
# Resource limits
coordinator_replicas = 2
explorer_replicas = 2
marketplace_replicas = 2
# Database
db_instance_class = "db.t3.medium"
db_allocated_storage = 50
db_multi_az = false
}

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@@ -0,0 +1,228 @@
# Shared variables for all environments
variable "cluster_name" {
description = "Name of the Kubernetes cluster"
type = string
}
variable "environment" {
description = "Environment name (dev, staging, prod)"
type = string
validation {
condition = contains(["dev", "staging", "prod"], var.environment)
error_message = "Environment must be dev, staging, or prod."
}
}
variable "aws_region" {
description = "AWS region for resources"
type = string
default = "us-west-2"
}
variable "vpc_cidr" {
description = "CIDR block for VPC"
type = string
}
variable "private_subnet_cidrs" {
description = "CIDR blocks for private subnets"
type = list(string)
}
variable "public_subnet_cidrs" {
description = "CIDR blocks for public subnets"
type = list(string)
}
variable "availability_zones" {
description = "Availability zones to use"
type = list(string)
}
variable "kubernetes_version" {
description = "Kubernetes version"
type = string
default = "1.28"
}
variable "enable_public_endpoint" {
description = "Enable public API endpoint"
type = bool
default = false
}
variable "desired_node_count" {
description = "Desired number of worker nodes"
type = number
default = 2
}
variable "min_node_count" {
description = "Minimum number of worker nodes"
type = number
default = 1
}
variable "max_node_count" {
description = "Maximum number of worker nodes"
type = number
default = 10
}
variable "instance_types" {
description = "EC2 instance types for worker nodes"
type = list(string)
default = ["t3.medium"]
}
# Monitoring and logging
variable "enable_monitoring" {
description = "Enable CloudWatch monitoring"
type = bool
default = true
}
variable "enable_logging" {
description = "Enable centralized logging"
type = bool
default = true
}
variable "enable_alerting" {
description = "Enable alerting (prod only)"
type = bool
default = false
}
variable "log_retention_days" {
description = "Log retention in days"
type = number
default = 30
}
variable "backup_retention_days" {
description = "Backup retention in days"
type = number
default = 7
}
# Application replicas
variable "coordinator_replicas" {
description = "Number of coordinator API replicas"
type = number
default = 1
}
variable "explorer_replicas" {
description = "Number of explorer replicas"
type = number
default = 1
}
variable "marketplace_replicas" {
description = "Number of marketplace replicas"
type = number
default = 1
}
variable "wallet_daemon_replicas" {
description = "Number of wallet daemon replicas"
type = number
default = 1
}
# Database
variable "db_instance_class" {
description = "RDS instance class"
type = string
default = "db.t3.micro"
}
variable "db_allocated_storage" {
description = "Allocated storage in GB"
type = number
default = 20
}
variable "db_multi_az" {
description = "Enable Multi-AZ deployment"
type = bool
default = false
}
variable "db_backup_window" {
description = "Preferred backup window"
type = string
default = "03:00-04:00"
}
variable "db_maintenance_window" {
description = "Preferred maintenance window"
type = string
default = "Mon:04:00-Mon:05:00"
}
# Security
variable "enable_encryption" {
description = "Enable encryption at rest"
type = bool
default = true
}
variable "enable_waf" {
description = "Enable WAF protection"
type = bool
default = false
}
variable "ssl_policy" {
description = "SSL policy for load balancers"
type = string
default = "ELBSecurityPolicy-TLS-1-2-2017-01"
}
# Autoscaling
variable "enable_cluster_autoscaler" {
description = "Enable cluster autoscaler"
type = bool
default = false
}
variable "enable_hpa" {
description = "Enable horizontal pod autoscaler"
type = bool
default = false
}
# GPU nodes
variable "gpu_node_group_enabled" {
description = "Enable GPU node group for miners"
type = bool
default = false
}
variable "gpu_instance_types" {
description = "GPU instance types"
type = list(string)
default = ["g4dn.xlarge"]
}
variable "gpu_min_nodes" {
description = "Minimum GPU nodes"
type = number
default = 0
}
variable "gpu_max_nodes" {
description = "Maximum GPU nodes"
type = number
default = 5
}
# Tags
variable "tags" {
description = "Common tags for all resources"
type = map(string)
default = {}
}

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@@ -0,0 +1,188 @@
# AIToken Deployment Guide
This guide covers deploying the AIToken and AITokenRegistry contracts.
## Prerequisites
- Node.js 18+
- Hardhat
- Private key with ETH for gas
- RPC endpoint for target network
## Contracts
| Contract | Description |
|----------|-------------|
| `AIToken.sol` | ERC20 token with receipt-based minting |
| `AITokenRegistry.sol` | Provider registration and collateral tracking |
## Environment Setup
Create `.env` file:
```bash
# Required
PRIVATE_KEY=0x...your_deployer_private_key
# Network RPC endpoints
SEPOLIA_RPC_URL=https://sepolia.infura.io/v3/YOUR_KEY
MAINNET_RPC_URL=https://mainnet.infura.io/v3/YOUR_KEY
# Optional: Role assignments during deployment
COORDINATOR_ADDRESS=0x...coordinator_address
ATTESTOR_ADDRESS=0x...attestor_address
# Etherscan verification
ETHERSCAN_API_KEY=your_api_key
```
## Network Configuration
Update `hardhat.config.ts`:
```typescript
import { HardhatUserConfig } from "hardhat/config";
import "@nomicfoundation/hardhat-toolbox";
import * as dotenv from "dotenv";
dotenv.config();
const config: HardhatUserConfig = {
solidity: "0.8.24",
networks: {
sepolia: {
url: process.env.SEPOLIA_RPC_URL || "",
accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
},
mainnet: {
url: process.env.MAINNET_RPC_URL || "",
accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
},
},
etherscan: {
apiKey: process.env.ETHERSCAN_API_KEY,
},
};
export default config;
```
## Deployment Steps
### 1. Compile Contracts
```bash
npx hardhat compile
```
### 2. Run Tests
```bash
npx hardhat test
```
### 3. Deploy to Testnet (Sepolia)
```bash
# Set environment
export COORDINATOR_ADDRESS=0x...
export ATTESTOR_ADDRESS=0x...
# Deploy
npx hardhat run scripts/deploy.ts --network sepolia
```
Expected output:
```
Deploying AIToken using admin: 0x...
AIToken deployed to: 0x...
Granting coordinator role to 0x...
Granting attestor role to 0x...
Deployment complete. Export AITOKEN_ADDRESS= 0x...
```
### 4. Verify on Etherscan
```bash
npx hardhat verify --network sepolia DEPLOYED_ADDRESS "ADMIN_ADDRESS"
```
### 5. Deploy Registry (Optional)
```bash
npx hardhat run scripts/deploy-registry.ts --network sepolia
```
## Post-Deployment
### Grant Additional Roles
```typescript
// In Hardhat console
const token = await ethers.getContractAt("AIToken", "DEPLOYED_ADDRESS");
const coordinatorRole = await token.COORDINATOR_ROLE();
await token.grantRole(coordinatorRole, "NEW_COORDINATOR_ADDRESS");
```
### Test Minting
```bash
npx hardhat run scripts/mintWithReceipt.ts --network sepolia
```
## Mainnet Deployment Checklist
- [ ] All tests passing
- [ ] Security audit completed
- [ ] Testnet deployment verified
- [ ] Gas estimation reviewed
- [ ] Multi-sig wallet for admin role
- [ ] Role addresses confirmed
- [ ] Deployment script reviewed
- [ ] Emergency procedures documented
## Gas Estimates
| Operation | Estimated Gas |
|-----------|---------------|
| Deploy AIToken | ~1,500,000 |
| Deploy Registry | ~800,000 |
| Grant Role | ~50,000 |
| Mint with Receipt | ~80,000 |
| Register Provider | ~60,000 |
## Security Considerations
1. **Admin Key Security**: Use hardware wallet or multi-sig for admin
2. **Role Management**: Carefully manage COORDINATOR and ATTESTOR roles
3. **Receipt Replay**: Contract prevents receipt reuse via `consumedReceipts` mapping
4. **Signature Verification**: Uses OpenZeppelin ECDSA for secure signature recovery
## Troubleshooting
### "invalid attestor signature"
- Verify attestor has ATTESTOR_ROLE
- Check signature was created with correct chain ID and contract address
- Ensure message hash matches expected format
### "receipt already consumed"
- Each receipt hash can only be used once
- Generate new unique receipt hash for each mint
### "AccessControl: account ... is missing role"
- Grant required role to the calling address
- Verify role was granted on correct contract instance
## Contract Addresses
### Testnet (Sepolia)
| Contract | Address |
|----------|---------|
| AIToken | TBD |
| AITokenRegistry | TBD |
### Mainnet
| Contract | Address |
|----------|---------|
| AIToken | TBD |
| AITokenRegistry | TBD |

View File

@@ -100,4 +100,64 @@ describe("AIToken", function () {
.mintWithReceipt(provider.address, units, receiptHash, signature)
).to.be.revertedWith("invalid attestor signature");
});
it("rejects minting to zero address", async function () {
const { token, coordinator, attestor } = await loadFixture(deployAITokenFixture);
const units = 100n;
const receiptHash = ethers.keccak256(ethers.toUtf8Bytes("receipt-4"));
const signature = await buildSignature(token, attestor, ethers.ZeroAddress, units, receiptHash);
await expect(
token
.connect(coordinator)
.mintWithReceipt(ethers.ZeroAddress, units, receiptHash, signature)
).to.be.revertedWith("invalid provider");
});
it("rejects minting zero units", async function () {
const { token, coordinator, attestor, provider } = await loadFixture(deployAITokenFixture);
const units = 0n;
const receiptHash = ethers.keccak256(ethers.toUtf8Bytes("receipt-5"));
const signature = await buildSignature(token, attestor, provider.address, units, receiptHash);
await expect(
token
.connect(coordinator)
.mintWithReceipt(provider.address, units, receiptHash, signature)
).to.be.revertedWith("invalid units");
});
it("rejects minting from non-coordinator", async function () {
const { token, attestor, provider, outsider } = await loadFixture(deployAITokenFixture);
const units = 100n;
const receiptHash = ethers.keccak256(ethers.toUtf8Bytes("receipt-6"));
const signature = await buildSignature(token, attestor, provider.address, units, receiptHash);
await expect(
token
.connect(outsider)
.mintWithReceipt(provider.address, units, receiptHash, signature)
).to.be.reverted;
});
it("returns correct mint digest", async function () {
const { token, provider } = await loadFixture(deployAITokenFixture);
const units = 100n;
const receiptHash = ethers.keccak256(ethers.toUtf8Bytes("receipt-7"));
const digest = await token.mintDigest(provider.address, units, receiptHash);
expect(digest).to.be.a("string");
expect(digest.length).to.equal(66); // 0x + 64 hex chars
});
it("has correct token name and symbol", async function () {
const { token } = await loadFixture(deployAITokenFixture);
expect(await token.name()).to.equal("AIToken");
expect(await token.symbol()).to.equal("AIT");
});
});

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@@ -0,0 +1,122 @@
import { expect } from "chai";
import { ethers } from "hardhat";
import { loadFixture } from "@nomicfoundation/hardhat-toolbox/network-helpers";
import { AITokenRegistry__factory } from "../typechain-types";
async function deployRegistryFixture() {
const [admin, coordinator, provider1, provider2, outsider] = await ethers.getSigners();
const factory = new AITokenRegistry__factory(admin);
const registry = await factory.deploy(admin.address);
await registry.waitForDeployment();
const coordinatorRole = await registry.COORDINATOR_ROLE();
await registry.grantRole(coordinatorRole, coordinator.address);
return { registry, admin, coordinator, provider1, provider2, outsider };
}
describe("AITokenRegistry", function () {
describe("Provider Registration", function () {
it("allows coordinator to register a provider", async function () {
const { registry, coordinator, provider1 } = await loadFixture(deployRegistryFixture);
const collateral = ethers.parseEther("100");
await expect(
registry.connect(coordinator).registerProvider(provider1.address, collateral)
)
.to.emit(registry, "ProviderRegistered")
.withArgs(provider1.address, collateral);
const info = await registry.providerInfo(provider1.address);
expect(info.active).to.equal(true);
expect(info.collateral).to.equal(collateral);
});
it("rejects registration of zero address", async function () {
const { registry, coordinator } = await loadFixture(deployRegistryFixture);
await expect(
registry.connect(coordinator).registerProvider(ethers.ZeroAddress, 0)
).to.be.revertedWith("invalid provider");
});
it("rejects duplicate registration", async function () {
const { registry, coordinator, provider1 } = await loadFixture(deployRegistryFixture);
await registry.connect(coordinator).registerProvider(provider1.address, 100);
await expect(
registry.connect(coordinator).registerProvider(provider1.address, 200)
).to.be.revertedWith("already registered");
});
it("rejects registration from non-coordinator", async function () {
const { registry, provider1, outsider } = await loadFixture(deployRegistryFixture);
await expect(
registry.connect(outsider).registerProvider(provider1.address, 100)
).to.be.reverted;
});
});
describe("Provider Updates", function () {
it("allows coordinator to update provider status", async function () {
const { registry, coordinator, provider1 } = await loadFixture(deployRegistryFixture);
await registry.connect(coordinator).registerProvider(provider1.address, 100);
await expect(
registry.connect(coordinator).updateProvider(provider1.address, false, 50)
)
.to.emit(registry, "ProviderUpdated")
.withArgs(provider1.address, false, 50);
const info = await registry.providerInfo(provider1.address);
expect(info.active).to.equal(false);
expect(info.collateral).to.equal(50);
});
it("allows reactivating a deactivated provider", async function () {
const { registry, coordinator, provider1 } = await loadFixture(deployRegistryFixture);
await registry.connect(coordinator).registerProvider(provider1.address, 100);
await registry.connect(coordinator).updateProvider(provider1.address, false, 100);
await registry.connect(coordinator).updateProvider(provider1.address, true, 200);
const info = await registry.providerInfo(provider1.address);
expect(info.active).to.equal(true);
expect(info.collateral).to.equal(200);
});
it("rejects update of unregistered provider", async function () {
const { registry, coordinator, provider1 } = await loadFixture(deployRegistryFixture);
await expect(
registry.connect(coordinator).updateProvider(provider1.address, false, 100)
).to.be.revertedWith("provider not registered");
});
});
describe("Access Control", function () {
it("admin can grant coordinator role", async function () {
const { registry, admin, outsider } = await loadFixture(deployRegistryFixture);
const coordinatorRole = await registry.COORDINATOR_ROLE();
await registry.connect(admin).grantRole(coordinatorRole, outsider.address);
expect(await registry.hasRole(coordinatorRole, outsider.address)).to.equal(true);
});
it("non-admin cannot grant roles", async function () {
const { registry, coordinator, outsider } = await loadFixture(deployRegistryFixture);
const coordinatorRole = await registry.COORDINATOR_ROLE();
await expect(
registry.connect(coordinator).grantRole(coordinatorRole, outsider.address)
).to.be.reverted;
});
});
});