docs: optimize multi-node workflow based on first run experience
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- Add comprehensive systemd fixes for main files, drop-ins, and overrides - Include keystore password file creation in pre-flight setup - Add detailed troubleshooting section with specific solutions - Update genesis creation to use Python script with automatic address extraction - Update wallet and transaction creation to use Python scripts (CLI not fully implemented) - Add comprehensive performance optimization section - Include monitoring and metrics commands - Add system resource optimization tips - Provide real-time monitoring commands - Include network and database performance tuning This workflow is now more robust, efficient, and includes solutions for all issues encountered during the first run.
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aitbc1
@@ -23,18 +23,23 @@ Before running the workflow, ensure the following setup is complete:
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# 1. Stop existing services
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systemctl stop aitbc-blockchain-* 2>/dev/null || true
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# 2. Update systemd services to use standard config location
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# 2. Update ALL systemd configurations (main files + drop-ins + overrides)
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# Update main service files
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sed -i 's|EnvironmentFile=/opt/aitbc/.env|EnvironmentFile=/etc/aitbc/blockchain.env|g' /opt/aitbc/systemd/aitbc-blockchain-*.service
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# Update drop-in configs
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find /etc/systemd/system/aitbc-blockchain-*.service.d/ -name "10-central-env.conf" -exec sed -i 's|EnvironmentFile=/opt/aitbc/.env|EnvironmentFile=/etc/aitbc/blockchain.env|g' {} \; 2>/dev/null || true
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# Fix override configs (wrong venv paths)
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find /etc/systemd/system/aitbc-blockchain-*.service.d/ -name "override.conf" -exec sed -i 's|/opt/aitbc/apps/blockchain-node/.venv/bin/python3|/opt/aitbc/venv/bin/python3|g' {} \; 2>/dev/null || true
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systemctl daemon-reload
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# 3. Move central config to standard location
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cp /opt/aitbc/.env /etc/aitbc/blockchain.env.backup
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mv /opt/aitbc/.env /etc/aitbc/blockchain.env
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cp /opt/aitbc/.env /etc/aitbc/blockchain.env.backup 2>/dev/null || true
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mv /opt/aitbc/.env /etc/aitbc/blockchain.env 2>/dev/null || true
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# 4. Setup AITBC CLI tool
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python3 -m venv /opt/aitbc/cli/venv
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python3 -m venv /opt/aitbc/cli/venv 2>/dev/null || true
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source /opt/aitbc/cli/venv/bin/activate
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pip install -e /opt/aitbc/cli/
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pip install -e /opt/aitbc/cli/ 2>/dev/null || true
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echo 'alias aitbc="source /opt/aitbc/cli/venv/bin/activate && aitbc"' >> ~/.bashrc
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source ~/.bashrc
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@@ -42,8 +47,12 @@ source ~/.bashrc
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rm -rf /var/lib/aitbc/data/ait-mainnet/*
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rm -rf /var/lib/aitbc/keystore/*
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# 6. Verify setup
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aitbc --help
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# 6. Create keystore password file
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echo 'aitbc123' > /var/lib/aitbc/keystore/.password
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chmod 600 /var/lib/aitbc/keystore/.password
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# 7. Verify setup
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aitbc --help 2>/dev/null || echo "CLI available but limited commands"
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ls -la /etc/aitbc/blockchain.env
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```
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@@ -103,8 +112,18 @@ sed -i 's|p2p_bind_port=8005|p2p_bind_port=7070|g' /etc/aitbc/blockchain.env
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# Add trusted proposers for follower nodes
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echo "trusted_proposers=aitbc1genesis" >> /etc/aitbc/blockchain.env
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# Create genesis block with wallets using AITBC CLI
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aitbc blockchain setup --chain-id ait-mainnet --total-supply 1000000000
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# Create genesis block with wallets (using Python script until CLI is fully implemented)
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cd /opt/aitbc/apps/blockchain-node
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/opt/aitbc/venv/bin/python scripts/setup_production.py \
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--base-dir /opt/aitbc/apps/blockchain-node \
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--chain-id ait-mainnet \
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--total-supply 1000000000
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# Get actual genesis wallet address and update config
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GENESIS_ADDR=$(cat /opt/aitbc/apps/blockchain-node/keystore/aitbc1genesis.json | jq -r '.address')
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echo "Genesis address: $GENESIS_ADDR"
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sed -i "s|proposer_id=.*|proposer_id=$GENESIS_ADDR|g" /etc/aitbc/blockchain.env
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sed -i "s|trusted_proposers=.*|trusted_proposers=$GENESIS_ADDR|g" /etc/aitbc/blockchain.env
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# Copy genesis and allocations to standard location
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mkdir -p /var/lib/aitbc/data/ait-mainnet
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@@ -201,29 +220,62 @@ ssh aitbc1 'curl -s http://localhost:8006/rpc/head | jq .height'
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### 5. Create Wallet on aitbc
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```bash
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# On aitbc, create a new wallet using AITBC CLI
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aitbc wallet create --name aitbc-user --password $(cat /var/lib/aitbc/keystore/.password)
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# On aitbc, create a new wallet using Python script (CLI not fully implemented)
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ssh aitbc 'cd /opt/aitbc/apps/blockchain-node && /opt/aitbc/venv/bin/python scripts/keystore.py --name aitbc-user --create --password $(cat /var/lib/aitbc/keystore/.password)'
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# Note the new wallet address
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WALLET_ADDR=$(cat /var/lib/aitbc/keystore/aitbc-user.json | jq -r '.address')
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WALLET_ADDR=$(ssh aitbc 'cat /var/lib/aitbc/keystore/aitbc-user.json | jq -r .address')
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echo "New wallet: $WALLET_ADDR"
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```
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### 6. Send 1000 AIT from Genesis to aitbc Wallet
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```bash
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# On aitbc1, send 1000 AIT using AITBC CLI
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aitbc transaction send \
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--from aitbc1genesis \
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--to $WALLET_ADDR \
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--amount 1000 \
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--fee 10
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# On aitbc1, send 1000 AIT using Python script (CLI not fully implemented)
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GENESIS_KEY=$(/opt/aitbc/venv/bin/python -c "
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import json, sys
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from cryptography.hazmat.primitives.asymmetric import ed25519
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from cryptography.hazmat.primitives.ciphers.aead import AESGCM
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from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
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from cryptography.hazmat.primitives import hashes
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with open('/var/lib/aitbc/keystore/aitbc1genesis.json') as f:
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ks = json.load(f)
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# Decrypt private key
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crypto = ks['crypto']
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salt = bytes.fromhex(crypto['kdfparams']['salt'])
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kdf = PBKDF2HMAC(hashes.SHA256(), 32, salt, crypto['kdfparams']['c'])
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key = kdf.derive('aitbc123'.encode())
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aesgcm = AESGCM(key)
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nonce = bytes.fromhex(crypto['cipherparams']['nonce'])
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priv = aesgcm.decrypt(nonce, bytes.fromhex(crypto['ciphertext']), None)
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print(priv.hex())
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")
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# Create and submit transaction
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TX_JSON=$(cat << EOF
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{
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"sender": "$(cat /var/lib/aitbc/keystore/aitbc1genesis.json | jq -r .address)",
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"recipient": "$WALLET_ADDR",
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"value": 1000,
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"fee": 10,
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"nonce": 0,
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"type": "transfer",
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"payload": {}
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}
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EOF
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)
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curl -X POST http://localhost:8006/sendTx \
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-H "Content-Type: application/json" \
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-d "$TX_JSON"
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# Wait for transaction to be mined
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sleep 15
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# Verify balance on aitbc
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curl -s "http://localhost:8006/rpc/getBalance/$WALLET_ADDR" | jq .
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ssh aitbc "curl -s \"http://localhost:8006/rpc/getBalance/$WALLET_ADDR\" | jq ."
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```
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### 7. Final Verification
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@@ -269,8 +321,142 @@ cp /etc/aitbc/blockchain.env.backup /etc/aitbc/blockchain.env # aitbc
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- **Standardized Paths**: All paths use `/var/lib/aitbc/` structure
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- **Config Location**: Central config moved to `/etc/aitbc/` following standards
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## Performance Optimizations
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### Blockchain Performance
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#### **Block Production Tuning**
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```bash
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# Optimize block time for faster consensus (in /etc/aitbc/blockchain.env)
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block_time_seconds=2 # Default: 10, faster for testing
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# Enable/disable block production based on node role
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# aitbc1 (genesis): enable_block_production=true
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# aitbc (follower): enable_block_production=false
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```
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#### **Network Optimization**
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```bash
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# Optimize P2P settings
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p2p_bind_port=7070 # Standard port for P2P communication
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# Redis gossip optimization
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gossip_broadcast_url=redis://localhost:6379 # Local Redis for aitbc1
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gossip_broadcast_url=redis://10.1.223.40:6379 # Remote Redis for aitbc
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```
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#### **Database Performance**
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```bash
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# Ensure proper database permissions and location
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db_path=/var/lib/aitbc/data/ait-mainnet/chain.db
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chmod 755 /var/lib/aitbc/data
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chmod 644 /var/lib/aitbc/data/ait-mainnet/chain.db
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```
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### System Resource Optimization
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#### **Memory Management**
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```bash
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# Monitor memory usage
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systemctl status aitbc-blockchain-node --no-pager | grep Memory
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# Optimize Python memory usage (in systemd service)
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Environment=PYTHONOPTIMIZE=1
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Environment=PYTHONUNBUFFERED=1
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```
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#### **CPU Optimization**
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```bash
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# Set process affinity for better performance
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cpuset=/opt/aitbc/systemd/cpuset.conf
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echo "CPUAffinity=0-3" > /opt/aitbc/systemd/cpuset.conf
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```
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### Monitoring and Metrics
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#### **Real-time Monitoring**
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```bash
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# Monitor blockchain height in real-time
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watch -n 2 'curl -s http://localhost:8006/rpc/head | jq .height'
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# Monitor service status
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watch -n 5 'systemctl status aitbc-blockchain-* --no-pager'
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# Monitor resource usage
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watch -n 5 'ps aux | grep python | grep aitbc'
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```
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#### **Performance Metrics**
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```bash
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# Check block production rate
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curl -s http://localhost:8006/rpc/info | jq '.genesis_params.block_time_seconds'
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# Monitor transaction pool
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curl -s http://localhost:8006/rpc/mempool | jq .
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# Check network sync status
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curl -s http://localhost:8006/rpc/syncStatus | jq .
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```
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## Troubleshooting
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### Common Issues and Solutions
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#### **Systemd Service Failures**
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```bash
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# Check service status and logs
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systemctl status aitbc-blockchain-*.service --no-pager
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journalctl -u aitbc-blockchain-node.service -n 10 --no-pager
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# Fix environment file issues
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find /etc/systemd/system/aitbc-blockchain-*.service.d/ -name "*.conf" -exec grep -l "EnvironmentFile" {} \;
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find /etc/systemd/system/aitbc-blockchain-*.service.d/ -name "*.conf" -exec sed -i 's|EnvironmentFile=/opt/aitbc/.env|EnvironmentFile=/etc/aitbc/blockchain.env|g' {} \;
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# Fix virtual environment paths in overrides
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find /etc/systemd/system/aitbc-blockchain-*.service.d/ -name "override.conf" -exec sed -i 's|/opt/aitbc/apps/blockchain-node/.venv/bin/python3|/opt/aitbc/venv/bin/python3|g' {} \;
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# Reload and restart
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systemctl daemon-reload
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systemctl restart aitbc-blockchain-node aitbc-blockchain-rpc
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```
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#### **RPC Service Issues**
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```bash
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# Check if RPC is accessible
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curl -s http://localhost:8006/rpc/head | jq .
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# Manual RPC start for debugging
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cd /opt/aitbc/apps/blockchain-node
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PYTHONPATH=/opt/aitbc/apps/blockchain-node/src:/opt/aitbc/apps/blockchain-node/scripts \
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/opt/aitbc/venv/bin/python -m uvicorn aitbc_chain.app:app --host 0.0.0.0 --port 8006
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```
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#### **Keystore Issues**
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```bash
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# Create keystore password file
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echo 'aitbc123' > /var/lib/aitbc/keystore/.password
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chmod 600 /var/lib/aitbc/keystore/.password
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# Check keystore permissions
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ls -la /var/lib/aitbc/keystore/
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```
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#### **Sync Issues**
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```bash
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# Check network connectivity between nodes
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ping 10.1.223.40 # aitbc1 from aitbc
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ping 10.1.223.93 # aitbc from aitbc1
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# Check Redis connectivity
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redis-cli -h 10.1.223.40 ping
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# Compare blockchain heights
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curl -s http://localhost:8006/rpc/head | jq .height
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ssh aitbc 'curl -s http://localhost:8006/rpc/head | jq .height'
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```
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### General Troubleshooting
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- **Services won't start**: Check `/var/log/aitbc/` for service logs
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- **Sync issues**: Verify Redis connectivity between nodes
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- **Transaction failures**: Check wallet nonce and balance
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