docs: add fix summary for blockchain and matrix issues

2026-03-13 19:02:07 +00:00
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+# AITBC System Fixes - 2026-03-13
+
+## Issues Resolved
+
+### 1. Matrix Agent Not Responding
+**Problem:** Agent read messages but didn't answer due to duplicate plugin loading.
+
+**Root Cause:** Two copies of the Matrix plugin existed:
+- System: `/usr/lib/node_modules/openclaw/extensions/matrix`
+- Local: `/root/.openclaw/extensions/matrix`
+
+**Fix:**
+- Removed both copies
+- Reinstalled via `openclaw plugins install @openclaw/matrix` (v2026.3.12) to local extensions
+- Removed conflicting system copy
+- Added `groupAllowFrom: ["*"]` to allow all senders in allowed rooms
+- Added room settings: `autoReply: true`, `requireMention: false`
+
+**Status:** ✅ Matrix channel working, no duplicate warnings.
+
+---
+
+### 2. Blockchain Node - Missing `chain_id` Column
+**Problem:** `Failed to propose block` error: `no such column: chain_id`.
+
+**Root Cause:** The `mempool` table (in `data/mempool.db`) lacked the `chain_id` column, required by the database-backed mempool implementation. The `block` table already had it.
+
+**Fix:**
+```sql
+ALTER TABLE mempool ADD COLUMN chain_id VARCHAR NOT NULL DEFAULT 'ait-devnet';
+CREATE INDEX idx_mempool_chain_id ON mempool(chain_id);
+```
+
+**Status:** ✅ PoA proposer now runs without errors.
+
+---
+
+### 3. Missing RPC Endpoint `/rpc/mempool`
+**Problem:** `GET /rpc/mempool` returned 404 Not Found.
+
+**Root Cause:** The endpoint was not implemented in the RPC router.
+
+**Fix:** Added to `/opt/aitbc/apps/blockchain-node/src/aitbc_chain/rpc/router.py`:
+
+```python
+@router.get("/mempool", summary="Get mempool transactions")
+async def get_mempool_endpoint(chain_id: str = "ait-devnet", limit: int = 100) -> Dict[str, Any]:
+    """Get pending transactions in the mempool for a chain"""
+    ...
+```
+
+**Status:** ✅ Endpoint now returns mempool data (empty if no transactions).
+
+---
+
+## Tools Installed
+
+### System (apt)
+- sqlite3, strace, ltrace, gdb, psmisc, lsof, net-tools, iproute2
+- python3-venv, python3-pip, python3-dev, build-essential
+- curl, wget, git, jq, htop, nmap
+
+### Python (pip)
+- ipdb, ptpython, ipython, debugpy
+- memory_profiler, line_profiler
+- py-spy, snakeviz
+- rich, traceback-with-variables
+- pytest, pytest-cov, pytest-xdist, hypothesis
+
+---
+
+## Git Repository
+
+Workspace initialized at `/root/.openclaw/workspace`:
+- Tracked config files: `openclaw.json`, identity files, SOUL.md, etc.
+- `.gitignore` excludes sensitive data (credentials, sessions, logs)
+- Remote: `git@gitea.bubuit.net:oib/aitbc.git` (SSH deploy key added)
+
+**Note:** Application code (`/opt/aitbc/apps/...`) is separate and not in this repo.
+
+---
+
+## Current Running Services
+
+- OpenClaw Gateway (matrix + webchat)
+- Blockchain Node (PoA proposer active)
+- Uvicorn RPC server on port 8006
+- Uvicorn app on port 8025
+
+---
+
+## Verification
+
+```bash
+# Matrix agent
+openclaw channels status --probe
+
+# Blockchain RPC
+curl http://localhost:8006/rpc/head
+curl "http://localhost:8006/rpc/mempool?chain_id=ait-devnet"
+
+# Logs
+tail -f /var/log/aitbc_node.log
+```
+
+---
+
+## Recommendations
+
+### Security (Matrix Agent)
+Currently `groupAllowFrom: ["*"]` with `requireMention: false` means **anyone** in allowed rooms can trigger arbitrary code execution (coding profile). Consider:
+
+```json
+"channels": {
+  "matrix": {
+    "groupPolicy": "allowlist",
+    "groups": {
+      "!TuWuNlZVCNESaZmHiA:matrix.bubuit.net": {
+        "allow": true,
+        "autoReply": true,
+        "requireMention": true,
+        "users": ["@your_user_id:matrix.bubuit.net"]
+      }
+    }
+  }
+}
+```
+
+### Database Migrations
+Future schema changes should use Alembic migrations. The `mempool` table needs an Alembic migration to add `chain_id` for consistency.
+
+### Monitoring
+- Set up log rotation for `/var/log/aitbc_node.log`
+- Monitor `/rpc/metrics` for Prometheus metrics
+- Watch for repeated `Failed to propose block` errors
+
+---
+
+**All critical issues resolved as of 2026-03-13 19:00 UTC.**