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chore: remove obsolete payment architecture and integration test documentation

- Remove AITBC_PAYMENT_ARCHITECTURE.md (dual-currency system documentation)
- Remove IMPLEMENTATION_COMPLETE_SUMMARY.md (integration test completion summary)
- Remove INTEGRATION_TEST_FIXES.md (test fixes documentation)
- Remove INTEGRATION_TEST_UPDATES.md (real features implementation notes)
- Remove PAYMENT_INTEGRATION_COMPLETE.md (wallet-coordinator integration docs)
- Remove WALLET_COORDINATOR_INTEGRATION.md (payment
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# AITBC Infrastructure Documentation
## Overview
Four-site view: A) localhost (at1, runs miner & Windsurf), B) remote host ns3, C) ns3 container, D) shared capabilities.
## Environment Summary (four sites)
### Site A: Localhost (at1)
- **Role**: Developer box running Windsurf and miner
- **Container**: incus `aitbc`
- **IP**: 10.1.223.93
- **Access**: `ssh aitbc-cascade`
- **Domain**: aitbc.bubuit.net
- **Blockchain Nodes**: Node 1 (rpc 8082), Node 2 (rpc 8081)
#### Site A Services
| Service | Port | Protocol | Node | Status | URL |
|---------|------|----------|------|--------|-----|
| Coordinator API | 8000 | HTTP | - | ✅ Active | https://aitbc.bubuit.net/api/ |
| Blockchain Node 1 RPC | 8082 | HTTP | Node 1 | ✅ Active | https://aitbc.bubuit.net/rpc/ |
| Blockchain Node 2 RPC | 8081 | HTTP | Node 2 | ✅ Active | https://aitbc.bubuit.net/rpc2/ |
| Exchange API | 9080 | HTTP | - | ✅ Active | https://aitbc.bubuit.net/exchange/ |
| Explorer | 3000 | HTTP | - | ✅ Active | https://aitbc.bubuit.net/ |
| Marketplace | 3000 | HTTP | - | ✅ Active | https://aitbc.bubuit.net/marketplace/ |
#### Site A Access
```bash
ssh aitbc-cascade
curl http://localhost:8082/rpc/head # Node 1 RPC
curl http://localhost:8081/rpc/head # Node 2 RPC
```
### Site B: Remote Host ns3 (physical)
- **Host IP**: 95.216.198.140
- **Access**: `ssh ns3-root`
- **Bridge**: incusbr0 192.168.100.1/24
- **Purpose**: runs incus container `aitbc` with bc node 3
#### Site B Services
| Service | Port | Protocol | Purpose | Status | URL |
|---------|------|----------|---------|--------|-----|
| incus host bridge | 192.168.100.1/24 | n/a | L2 bridge for container | ✅ Active | n/a |
| SSH | 22 | SSH | Host management | ✅ Active | ssh ns3-root |
#### Site B Access
```bash
ssh ns3-root
```
### Site C: Remote Container ns3/aitbc
- **Container IP**: 192.168.100.10
- **Access**: `ssh ns3-root` → `incus shell aitbc`
- **Domain**: aitbc.keisanki.net
- **Blockchain Nodes**: Node 3 (rpc 8082) — provided by services `blockchain-node` + `blockchain-rpc`
#### Site C Services
| Service | Port | Protocol | Node | Status | URL |
|---------|------|----------|------|--------|-----|
| Blockchain Node 3 RPC | 8082 | HTTP | Node 3 | ✅ Active (service names: blockchain-node/blockchain-rpc) | http://aitbc.keisanki.net/rpc/ |
#### Site C Access
```bash
ssh ns3-root "incus shell aitbc"
curl http://192.168.100.10:8082/rpc/head # Node 3 RPC (direct)
curl http://aitbc.keisanki.net/rpc/head # Node 3 RPC (via /rpc/)
```
### Site D: Shared Features
- Transaction-dependent block creation on all nodes
- HTTP polling of RPC mempool
- PoA consensus with 2s intervals
- Cross-site RPC synchronization (transaction propagation)
- Independent chain state; P2P not connected yet
## Network Architecture (YAML)
```yaml
environments:
site_a_localhost:
ip: 10.1.223.93
domain: aitbc.bubuit.net
container: aitbc
access: ssh aitbc-cascade
blockchain_nodes:
- id: 1
rpc_port: 8082
p2p_port: 7070
status: active
- id: 2
rpc_port: 8081
p2p_port: 7071
status: active
site_b_ns3_host:
ip: 95.216.198.140
access: ssh ns3-root
bridge: 192.168.100.1/24
site_c_ns3_container:
container_ip: 192.168.100.10
domain: aitbc.keisanki.net
access: ssh ns3-root → incus shell aitbc
blockchain_nodes:
- id: 3
rpc_port: 8082
p2p_port: 7072
status: active
shared_features:
transaction_dependent_blocks: true
rpc_mempool_polling: true
consensus: PoA
block_interval_seconds: 2
cross_site_sync: true
cross_site_sync_interval: 10
p2p_connected: false
```
### Site A Extras (dev)
#### Local dev services
| Service | Port | Protocol | Purpose | Status | URL |
|---------|------|----------|---------|--------|-----|
| Test Coordinator | 8001 | HTTP | Local coordinator testing | ⚠️ Optional | http://127.0.0.1:8001 |
| Test Blockchain | 8080 | HTTP | Local blockchain testing | ⚠️ Optional | http://127.0.0.1:8080 |
| Ollama (GPU) | 11434 | HTTP | Local LLM serving | ✅ Available | http://127.0.0.1:11434 |
#### Client applications
| Application | Port | Protocol | Purpose | Connection |
|-------------|------|----------|---------|------------|
| Client Wallet | Variable | HTTP | Submits jobs to coordinator | → 10.1.223.93:8000 |
| Miner Client | Variable | HTTP | Polls for jobs | → 10.1.223.93:8000 |
| Browser Wallet | Browser | HTTP | Web wallet extension | → 10.1.223.93 |
### Site B Extras (host)
- Port forwarding managed via firehol (8000, 8081, 8082, 9080 → 192.168.100.10)
- Firewall host rules: 80, 443 open for nginx; legacy ports optional (8000, 8081, 8082, 9080, 3000)
### Site C Extras (container)
- Internal ports: 8000, 8081, 8082, 9080, 3000, 8080
- Systemd core services: coordinator-api, blockchain-node{,-2,-3}, blockchain-rpc{,-2,-3}, aitbc-exchange; web: nginx, dashboard_server, aitbc-marketplace-ui
### Site D: Shared
- Deployment status:
```yaml
deployment:
localhost:
blockchain_nodes: 2
updated_codebase: true
transaction_dependent_blocks: true
last_updated: 2026-01-28
remote:
blockchain_nodes: 1
updated_codebase: true
transaction_dependent_blocks: true
last_updated: 2026-01-28
```
- Reverse proxy: nginx (config `/etc/nginx/sites-available/aitbc-reverse-proxy.conf`)
- Service routes: explorer/api/rpc/rpc2/rpc3/exchange/admin on aitbc.bubuit.net
- Alternative subdomains: api.aitbc.bubuit.net, rpc.aitbc.bubuit.net
- Notes: external domains use nginx; legacy direct ports via firehol rules
```
Note: External domains require port forwarding to be configured on the host.
## Data Storage Locations
### Container Paths
```
/opt/coordinator-api/ # Coordinator application
├── src/coordinator.db # Main database
└── .venv/ # Python environment
/opt/blockchain-node/ # Blockchain Node 1
├── data/chain.db # Chain database
└── .venv/ # Python environment
/opt/blockchain-node-2/ # Blockchain Node 2
├── data/chain2.db # Chain database
└── .venv/ # Python environment
/opt/exchange/ # Exchange API
├── data/ # Exchange data
└── .venv/ # Python environment
/var/www/html/ # Static web assets
├── assets/ # CSS/JS files
└── explorer/ # Explorer web app
```
### Local Paths
```
/home/oib/windsurf/aitbc/ # Development workspace
├── apps/ # Application source
├── cli/ # Command-line tools
├── home/ # Client/miner scripts
└── tests/ # Test suites
```
## Network Topology
### Physical Layout
```
Internet
│
▼
┌─────────────────────┐
│ ns3-root │ ← Host Server (95.216.198.140)
│ ┌─────────────┐ │
│ │ incus │ │
│ │ aitbc │ │ ← Container (192.168.100.10/24)
│ │ │ │ NAT → 10.1.223.93
│ └─────────────┘ │
└─────────────────────┘
```
### Access Paths
1. **Direct Container Access**: `ssh aitbc-cascade` → 10.1.223.93
2. **Via Host**: `ssh ns3-root` → `incus shell aitbc`
3. **Service Access**: All services via 10.1.223.93:PORT
## Monitoring and Logging
### Log Locations
```bash
# System logs
journalctl -u coordinator-api
journalctl -u blockchain-node
journalctl -u aitbc-exchange
# Application logs
tail -f /opt/coordinator-api/logs/app.log
tail -f /opt/blockchain-node/logs/chain.log
```
### Health Checks
```bash
# From host server
ssh ns3-root "curl -s http://192.168.100.10:8000/v1/health"
ssh ns3-root "curl -s http://192.168.100.10:8082/rpc/head"
ssh ns3-root "curl -s http://192.168.100.10:9080/health"
# From within container
ssh ns3-root "incus exec aitbc -- curl -s http://localhost:8000/v1/health"
ssh ns3-root "incus exec aitbc -- curl -s http://localhost:8082/rpc/head"
ssh ns3-root "incus exec aitbc -- curl -s http://localhost:9080/health"
# External testing (with port forwarding configured)
curl -s http://aitbc.bubuit.net:8000/v1/health
curl -s http://aitbc.bubuit.net:8082/rpc/head
curl -s http://aitbc.bubuit.net:9080/health
```
## Development Workflow
### 1. Local Development
```bash
# Start local services
cd apps/coordinator-api
python -m uvicorn src.app.main:app --reload --port 8001
# Run tests
python -m pytest tests/
```
### 2. Container Deployment
```bash
# Deploy to container
bash scripts/deploy/deploy-to-server.sh
# Update specific service
scp src/app/main.py ns3-root:/tmp/
ssh ns3-root "incus exec aitbc -- sudo systemctl restart coordinator-api"
```
### 3. Testing Endpoints
```bash
# Local testing
curl http://127.0.0.1:8001/v1/health
# Remote testing (from host)
ssh ns3-root "curl -s http://192.168.100.10:8000/v1/health"
# Remote testing (from container)
ssh ns3-root "incus exec aitbc -- curl -s http://localhost:8000/v1/health"
# External testing (with port forwarding)
curl -s http://aitbc.keisanki.net:8000/v1/health
```
## Security Considerations
### Access Control
- API keys required for coordinator (X-Api-Key header)
- Firewall blocks unnecessary ports
- Nginx handles SSL termination
### Isolation
- Services run as non-root users where possible
- Databases in separate directories
- Virtual environments for Python dependencies
## Monitoring
### Health Check Commands
```bash
# Localhost
ssh aitbc-cascade "systemctl status blockchain-node blockchain-node-2"
ssh aitbc-cascade "curl -s http://localhost:8082/rpc/head | jq .height"
# Remote
ssh ns3-root "systemctl status blockchain-node-3"
ssh ns3-root "curl -s http://192.168.100.10:8082/rpc/head | jq .height"
```
## Configuration Files
### Localhost Configuration
- Node 1: `/opt/blockchain-node/src/aitbc_chain/config.py`
- Node 2: `/opt/blockchain-node-2/src/aitbc_chain/config.py`
### Remote Configuration
- Node 3: `/opt/blockchain-node/src/aitbc_chain/config.py`
## Notes
- Nodes are not currently connected via P2P
- Each node maintains independent blockchain state
- All nodes implement transaction-dependent block creation
- Cross-site synchronization enabled for transaction propagation
- Domain aitbc.bubuit.net points to localhost environment
- Domain aitbc.keisanki.net points to remote environment
## Cross-Site Synchronization
- **Status**: Active on all nodes (fully functional)
- **Method**: RPC-based polling every 10 seconds
- **Features**:
- Transaction propagation between sites
- Height difference detection
- ✅ Block import with transaction support (`/blocks/import` endpoint)
- **Endpoints**:
- Local nodes: https://aitbc.bubuit.net/rpc/ (port 8081)
- Remote node: http://aitbc.keisanki.net/rpc/
- **Nginx Configuration**:
- Site A: `/etc/nginx/sites-available/aitbc.bubuit.net` → `127.0.0.1:8081`
- Fixed routing issue (was pointing to 8082, now correctly routes to 8081)
3. **Monitoring**: Add Prometheus + Grafana
4. **CI/CD**: Automated deployment pipeline
5. **Security**: OAuth2/JWT authentication, rate limiting