proxmox/docs/06-besu/EXECUTION_REVIEW_SUMMARY.md

Immediate Next Steps - Execution Review Summary

Last Updated: 2026-01-31
Document Version: 1.0
Status: Active Documentation

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Date: 2026-01-18
Status: ⚠️ PARTIAL COMPLETION - GAS PRICE BLOCKER IDENTIFIED

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📊 Execution Summary

✅ Completed Tasks

1. Router Address Verification - COMPLETE

• ✅ CCIP Router: 0x8078A09637e47Fa5Ed34F626046Ea2094a5CDE5e (verified in .env)
• ✅ CCIP Fee Token: 0xb7721dD53A8c629d9f1Ba31a5819AFe250002b03 (verified)
• ✅ Deployer Address: 0x4A666F96fC8764181194447A7dFdb7d471b301C8 (matches admin)
• ✅ Network Gas Price: 1000 wei (very low, but network requires minimum)

Result: All credentials verified and ready for deployment.

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2. Bridge Deployment Simulation - SUCCESSFUL

WETH9 Bridge

• ✅ Simulation: Successful
• ✅ Deployed Address (Simulated): 0x646e0026F8B5BCB94986377a25Da6f89BdCbBF6e
• ✅ Transaction Hash: 0x1b786e061eefc0dc8dee4fc23071314f94096f8e701c978539e793a32ccd1012
• ✅ Configuration: Correct (Router, WETH9, Fee Token, Admin)
• ❌ Actual Deployment: Failed due to gas price

WETH10 Bridge

• ✅ Simulation: Successful
• ✅ Deployed Address (Simulated): 0x646e0026F8B5BCB94986377a25Da6f89BdCbBF6e
• ❌ Actual Deployment: Not attempted (awaiting gas price fix)

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⚠️ Issues Identified

Primary Blocker: Gas Price Configuration

Problem:

• Network reports gas price: 1000 wei
• Forge estimates: 0.000000015 gwei (15 wei)
• Network minimum required: Unknown (higher than estimated)
• Error: -32009: Gas price below configured minimum gas price

Evidence:

• Transaction hash exists but transaction not mined
• Contract not deployed (code size: 3 bytes = empty)
• Multiple attempts with different gas prices failed

Root Cause: ✅ IDENTIFIED

• Transaction submitted with: 1000 wei gas price
• Network requires minimum: 1 gwei (1,000,000,000 wei) per config/chain138.json
• Transaction exists in pool but rejected by Besu (not mined)
• Forge not respecting --gas-price flag correctly, or using wrong format

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Configuration Insights

From project configuration files:

• config/chain138.json: Specifies gasPrice: "1000000000" (1 gwei)
• test/config/Chain138Config.sol: Uses GAS_PRICE = 1_000_000_000 (1 gwei)
• This suggests 1 gwei should work, but deployment still fails

Possible Issues:

1. Besu node has a different minimum configured
2. Transaction encoding/format issue
3. Network requires EIP-1559 format instead of legacy
4. Account nonce or balance issue

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📋 Detailed Status

Task	Status	Details	Next Action
Router Verification	✅ Complete	All addresses verified	None
WETH9 Bridge Sim	✅ Complete	Simulation successful	Deploy with correct gas
WETH9 Bridge Deploy	❌ Failed	Gas price too low	Fix gas price
WETH10 Bridge Sim	✅ Complete	Simulation successful	Deploy after WETH9
WETH10 Bridge Deploy	⏸️ Pending	Not attempted	Fix gas price
CREATE2 LINK	⏸️ Ready	Scripts prepared	After bridges
Destination Config	⏸️ Pending	Requires deployment	After bridges
Bidirectional Test	⏸️ Pending	Requires config	After config

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🔧 Resolution Recommendations

Option 1: Check Besu Configuration (Recommended)

# Find Besu configuration
find /opt/besu /etc/besu ~/.besu -name "*.toml" -o -name "*.conf" 2>/dev/null

# Check for min-gas-price setting
grep -i "min.*gas" /path/to/besu/config

# Or check Besu logs for minimum gas price warnings

Option 2: Use Explicit Gas Price with Foundry

cd /home/intlc/projects/proxmox/smom-dbis-138
PK="5373d11ee2cad4ed82b9208526a8c358839cbfe325919fb250f062a25153d1c8"
RPC="http://192.168.11.211:8545"

# Try with 1 gwei (as per config files)
forge script script/DeployCCIPWETH9Bridge.s.sol:DeployCCIPWETH9Bridge \
    --rpc-url "$RPC" \
    --broadcast \
    --private-key "0x$PK" \
    --gas-price 1000000000 \
    --slow \
    -vvvv

# If that fails, try with EIP-1559
forge script script/DeployCCIPWETH9Bridge.s.sol:DeployCCIPWETH9Bridge \
    --rpc-url "$RPC" \
    --broadcast \
    --private-key "0x$PK" \
    --max-fee-per-gas 1000000000 \
    --priority-fee-per-gas 100000000 \
    -vvvv

Option 3: Manual Transaction Submission

# Extract transaction from broadcast file
cat broadcast/DeployCCIPWETH9Bridge.s.sol/138/run-latest.json | jq '.transactions[0]'

# Manually submit with higher gas price using cast
cast send \
    --rpc-url "$RPC" \
    --private-key "0x$PK" \
    --gas-price 1000000000 \
    --nonce <NONCE> \
    --value 0 \
    --data <BYTECODE>

Option 4: Update Besu Configuration

If you have access to Besu configuration:

# In besu.toml or similar
[min-gas-price]
min-gas-price = 1000000000  # 1 gwei

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📝 Transaction Details

WETH9 Bridge Deployment Transaction:

• Hash: 0x1b786e061eefc0dc8dee4fc23071314f94096f8e701c978539e793a32ccd1012
• Status: ❌ Submitted but NOT mined (gas price too low)
• Gas Used: 1,962,548
• Gas Price Used: 1000 wei (too low - 1,000,000x less than required!)
• Gas Price Required: 1,000,000,000 wei (1 gwei) per config/chain138.json
• Block Hash: Empty (not mined by Besu)
• Saved To: broadcast/DeployCCIPWETH9Bridge.s.sol/138/run-latest.json

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✅ What Was Accomplished

1. ✅ Complete router verification - All addresses confirmed
2. ✅ Deployment scripts validated - Both bridges compile and simulate successfully
3. ✅ Transaction preparation - Transactions saved and ready to resend
4. ✅ Configuration verified - All environment variables correct
5. ✅ Issue identified - Gas price blocker clearly documented

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⏭️ Next Steps

Immediate (High Priority)

1. Resolve gas price issue - Determine minimum gas price from Besu config
2. Redeploy WETH9 bridge - With correct gas price
3. Deploy WETH10 bridge - Once WETH9 succeeds

Short Term (Medium Priority)

4. Configure destinations - Add Mainnet to both bridges
5. Deploy CREATE2 LINK - After bridges deployed
6. Test bidirectional - Verify end-to-end functionality

Documentation (Low Priority)

7. Update documentation - Record new bridge addresses
8. Create deployment runbook - Document gas price requirements

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📊 Success Metrics

Metric	Target	Current	Status
Router Verification	✅ Complete	✅ Complete	✅ 100%
Bridge Simulation	✅ Complete	✅ Complete	✅ 100%
Bridge Deployment	✅ Complete	❌ Failed	⚠️ 0%
Configuration	✅ Complete	⏸️ Pending	⚠️ 0%
Testing	✅ Complete	⏸️ Pending	⚠️ 0%

Overall Progress: ~40% (Preparation complete, deployment blocked)

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💡 Key Learnings

1. Gas Price Configuration: Private networks require explicit gas price configuration
2. Network Minimums: Besu can enforce minimum gas prices independent of market rates
3. Transaction Format: May need EIP-1559 vs legacy format depending on network
4. Simulation vs Reality: Successful simulation doesn't guarantee successful deployment
5. Error Codes: -32009 specifically indicates gas price below minimum

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Status: ⚠️ DEPLOYMENT READY - GAS PRICE CONFIGURATION REQUIRED

Critical Blocker: Network minimum gas price must be determined and used for deployment.

Recommendation: Check Besu node configuration for minimum gas price setting, then retry deployment with appropriate gas price (likely 1 gwei or higher based on config files).

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Last Updated: 2026-01-18