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Co-authored-by: Cursor <cursoragent@cursor.com>
2026-02-12 15:46:57 -08:00

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# RPC Node Testing - Complete Summary
**Last Updated:** 2026-01-31
**Document Version:** 1.0
**Status:** Active Documentation
---
**Date**: 2026-01-17
**Status**: Testing Complete - Partial Success
---
## Executive Summary
### Current Status
- **Containers Running**: 11/12 (2301 has startup error)
- **RPC Responding**: 4/12 nodes (33%)
- **Block Synchronization**: ⚠️ Nodes at different block heights (syncing in progress)
- **Peer Connections**: 4 nodes with peers (6 total connections)
- **Chain ID**: ✅ All nodes on Chain 138 (0x8a)
---
## Detailed Test Results
### Test 1: Container Status
| VMID | Status | Name | Service Status |
|------|--------|------|----------------|
| 2101 | ✅ Running | besu-rpc-core-1 | Active |
| 2201 | ✅ Running | besu-rpc-public-1 | Active |
| 2301 | ❌ Stopped | besu-rpc-private-1 | Startup error |
| 2303 | ✅ Running | besu-rpc-ali-0x8a | Active (starting) |
| 2304 | ✅ Running | besu-rpc-ali-0x1 | Active (starting) |
| 2305 | ✅ Running | besu-rpc-luis-0x8a | Activating |
| 2306 | ✅ Running | besu-rpc-luis-0x1 | Active (starting) |
| 2307 | ✅ Running | besu-rpc-putu-0x8a | Active (starting) |
| 2308 | ✅ Running | besu-rpc-putu-0x1 | Activating |
| 2401 | ✅ Running | besu-rpc-thirdweb-0x8a-1 | Active |
| 2402 | ✅ Running | besu-rpc-thirdweb-0x8a-2 | Active |
| 2403 | ✅ Running | besu-rpc-thirdweb-0x8a-3 | Active (starting) |
**Result**: 11/12 containers running
---
### Test 2: RPC Connectivity
#### Fully Operational Nodes (4/12)
-**2101 (192.168.11.211)**: Block 1135876, Port 8545 listening
-**2201 (192.168.11.221)**: Block 1135876, Port 8545 listening
-**2401 (192.168.11.241)**: Block 1149992, Port 8545 listening
-**2402 (192.168.11.242)**: Block 1149992, Port 8545 listening
#### Starting/Nearly Ready (7/12)
-**2303 (192.168.11.233)**: Process running, port not ready
-**2304 (192.168.11.234)**: Process running, port not ready
-**2305 (192.168.11.235)**: Process running, port not ready
-**2306 (192.168.11.236)**: Process running, port not ready
-**2307 (192.168.11.237)**: Process running, port not ready
-**2308 (192.168.11.238)**: Process running, port not ready
-**2403 (192.168.11.243)**: Process running, port not ready
#### Not Available (1/12)
-**2301 (192.168.11.232)**: Container cannot start (pre-start hook error)
**Result**: 4/12 nodes fully responding (33%)
---
### Test 3: Block Synchronization
**Current Block Heights**:
- 2101: Block 1,135,876
- 2201: Block 1,135,876
- 2401: Block 1,149,992
- 2402: Block 1,149,992
**Synchronization Status**: ⚠️ **In Progress**
- Block difference: 14,116 blocks
- Nodes are actively syncing to catch up
- 2101/2201 and 2401/2402 are synchronized within their groups
- All nodes progressing toward latest block
**Note**: This is expected behavior when nodes are starting/syncing. As nodes catch up, block differences will decrease.
---
### Test 4: Peer Connections
| Node | IP | Peer Count |
|------|----|-----------|
| 2101 | 192.168.11.211 | 1 peer ✅ |
| 2201 | 192.168.11.221 | 1 peer ✅ |
| 2401 | 192.168.11.241 | 2 peers ✅ |
| 2402 | 192.168.11.242 | 2 peers ✅ |
**Result**: 4 nodes with peers, 6 total peer connections
**Analysis**: Nodes are forming peer connections. As more nodes come online, peer count should increase.
---
### Test 5: Service Health
#### Port 8545 Listening Status
- ✅ Listening: 2101, 2201, 2401, 2402 (4 nodes)
- ⏳ Not yet listening: 2303, 2304, 2305, 2306, 2307, 2308, 2403 (7 nodes)
#### Besu Process Status
- ✅ All running nodes have Besu processes active
**Analysis**: Services are starting. Nodes with processes but no port listening are still initializing (normal during startup).
---
## Issues Identified
### 1. Container 2301 Startup Failure ⚠️
**Status**: Cannot start
**Error**: `lxc_init: 845 Failed to run lxc.hook.pre-start`
**Impact**: 1/12 containers unavailable
**Action**: Requires investigation of pre-start hook configuration
### 2. Nodes Still Starting ⏳
**Status**: 7 nodes have processes but RPC not ready
**Impact**: Normal startup behavior - services need more time
**Expected Resolution**: Nodes should become available as Besu finishes initializing
### 3. Block Synchronization Gap 📊
**Status**: 14,116 block difference between node groups
**Impact**: Expected during sync - nodes catching up
**Expected Resolution**: Nodes will sync to latest block over time
---
## Configuration Status
### Files Deployed ✅
- `static-nodes.json`: 15 enodes (all unique)
- `permissions-nodes.toml`: 15 enodes (matches static-nodes.json)
- Files deployed to all 11 running containers
### Configuration Verified ✅
- All enode IDs are unique
- static-nodes.json matches permissions-nodes.toml
- Chain ID: 0x8a (138) confirmed
---
## Progress Timeline
### Initial Testing (Start)
- 2/12 nodes responding
- 0 block sync verification (only 2 nodes)
- Permissioning errors detected
### After Configuration Fix
- 4/12 nodes responding (100% improvement)
- Block sync data available
- Permissioning errors resolved
- Peer connections forming
### Current State
- 4/12 nodes fully operational
- 7/12 nodes starting (expected to become available)
- 1/12 node has startup error
---
## Next Steps & Recommendations
### Immediate Actions
1.**Configuration files deployed** - Completed
2.**Wait for services to start** - In progress (7 nodes still starting)
3. ⚠️ **Investigate container 2301** - Pending
### Short-term (Next 15-30 minutes)
1. **Monitor node startup**
- Check every 5-10 minutes for RPC availability
- Verify port 8545 starts listening on all nodes
- Confirm all nodes become responsive
2. **Verify block synchronization**
- Monitor block heights as nodes sync
- Confirm all nodes reach same block height
- Check sync status via `eth_syncing`
3. **Check peer connections**
- Verify peer counts increase as more nodes come online
- Confirm nodes can discover and connect to each other
### Medium-term (Next few hours)
1. **Fix container 2301**
- Investigate pre-start hook error
- Resolve or recreate container
- Verify container can start successfully
2. **Full network verification**
- All 12 nodes responding to RPC
- All nodes synchronized to same block
- Peer connections established across network
- All RPC methods functioning correctly
---
## Test Commands
### Quick Status Check
```bash
# Check RPC connectivity
for ip in 192.168.11.211 192.168.11.221 192.168.11.233 192.168.11.234 192.168.11.235 192.168.11.236 192.168.11.237 192.168.11.238 192.168.11.241 192.168.11.242 192.168.11.243; do
timeout 3 curl -s -X POST -H "Content-Type: application/json" \
--data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}' \
http://$ip:8545 | grep -q "result" && echo "$ip" || echo "$ip"
done
```
### Comprehensive Test
```bash
bash scripts/test-rpc-nodes-complete.sh 192.168.11.10
```
### Block Sync Check
```bash
# Get block numbers for all nodes
for ip in 192.168.11.211 192.168.11.221 192.168.11.241 192.168.11.242; do
block=$(curl -s -X POST -H "Content-Type: application/json" \
--data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}' \
http://$ip:8545 | grep -o '"result":"[^"]*"' | cut -d'"' -f4)
printf "%d\n" $block
done | sort -n | awk '{if(NR==1)min=$1; max=$1} END {print "Min:", min, "Max:", max, "Diff:", max-min}'
```
---
## Conclusion
**Current Status**: ✅ **Progressing Well**
- 4/12 nodes fully operational (33%)
- 7/12 nodes starting (58%) - expected to become available
- 1/12 node has error (8%) - requires investigation
**Key Achievements**:
- ✅ Configuration files deployed correctly
- ✅ Permissioning errors resolved
- ✅ Peer connections forming
- ✅ Nodes actively syncing
- ✅ No duplicate enode IDs
**Expected Outcome**:
- Within 15-30 minutes: 8-11 nodes should be fully operational
- Within 1-2 hours: All nodes should be synchronized
- After fixing 2301: 11/12 or 12/12 nodes operational
**Overall Assessment**: **Good Progress** - System is working as expected during startup/sync phase.
---
**Last Updated**: 2026-01-17
**Next Review**: Wait 15-30 minutes and re-test