proxmox/rpc-translator-138/docs/archive/HIGH_PRIORITY_TASKS_COMPLETED.md

High Priority Tasks - Completion Report

Date: 2026-01-06
Status: ✅ MAJOR PROGRESS COMPLETE

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✅ Completed Tasks

1. Cloudflare Tunnel Investigation ✅

• ✅ Reviewed Cloudflare dashboard requirements
• ✅ Checked tunnel connection pool settings
• ✅ Identified root causes (timeout errors, QUIC stream failures)
• ✅ Documented findings in CLOUDFLARE_TUNNEL_INVESTIGATION.md
• ✅ Updated cloudflared service with keep-alive settings
  • Added --protocol quic flag
  • Added --heartbeat-count 0 (unlimited heartbeats)
  • Added --heartbeat-interval 5s (5 second intervals)
• ✅ Service restarted and running with new configuration

2. Client-Side Retry Logic ✅

• ✅ Designed exponential backoff strategy
• ✅ Implemented retry mechanism for 502 errors (up to 3 attempts)
• ✅ Added retry delay between attempts (exponential backoff with jitter)
• ✅ Implemented logging for retry attempts and success rates
• ✅ Created example implementation: scripts/rpc-client-retry-example.js
• ✅ Tested successfully - retry logic working correctly

3. Enhanced Health Check Endpoint ✅

• ✅ Enhanced /health endpoint to verify translator service status
• ✅ Added Besu connection check (already existed, enhanced)
• ✅ Added Redis connectivity check
• ✅ Added Web3Signer connectivity check
• ✅ Added Vault connectivity check
• ✅ Returns detailed service health status JSON
• ✅ Updated main.ts to pass all clients to HttpServer
• ✅ Updated http-server.ts to accept and use all clients
• ✅ Code compiled successfully

4. Basic Monitoring Setup ✅

• ✅ Created monitoring script: scripts/monitor-rpc-endpoint.sh
• ✅ Script tracks:
  • Success/failure rates
  • Response times (min, max, average)
  • HTTP status codes
  • Logs to CSV file
  • Alerts when success rate drops below 70%

5. Supporting Services Verification ✅

• ✅ Web3Signer (192.168.11.111:9000): ✅ Running, responding with "OK"
• ✅ Web3Signer Keys: Empty array (no keys imported yet)
• ✅ Redis (192.168.11.110:6379): ✅ Accessible
• ✅ Vault (192.168.11.112:8200): ✅ Running, initialized, not sealed

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⚠️ In Progress Tasks

1. Cloudflare Tunnel Configuration

• ⚠️ Service updated and restarted
• ⚠️ Monitoring for improvements
• ⚠️ Need to verify timeout configuration in Cloudflare dashboard (manual step)

2. Health Check Endpoint

• ⚠️ Code updated and compiled
• ⚠️ Need to deploy and test on VMID 2400
• ⚠️ Need to verify all connectivity checks work

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📋 Next Steps

Immediate (Today)

1. Deploy Updated Code

   • Copy updated dist/ to VMID 2400
   • Restart RPC Translator service
   • Test enhanced health endpoint

2. Test Cloudflare Improvements

   • Monitor tunnel logs for timeout errors
   • Test RPC endpoint success rate
   • Compare before/after metrics

3. Web3Signer Key Configuration

   • Import signing keys to Web3Signer
   • Test transaction signing
   • Verify keys are accessible

Short-term (This Week)

1. Complete Monitoring Setup

   • Set up automated monitoring script
   • Configure alerts for 502 rate > 30%
   • Track success rate trends

2. Complete Health Check Testing

   • Verify all connectivity checks
   • Test health endpoint under various conditions
   • Document health check responses

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Files Created/Updated

Created Files

1. CLOUDFLARE_TUNNEL_INVESTIGATION.md - Investigation report
2. scripts/rpc-client-retry-example.js - Retry logic example
3. scripts/monitor-rpc-endpoint.sh - Basic monitoring script
4. HIGH_PRIORITY_TASKS_PROGRESS.md - Progress tracking
5. HIGH_PRIORITY_TASKS_COMPLETED.md - This file

Updated Files

1. src/servers/http-server.ts - Enhanced health check endpoint
2. src/main.ts - Pass clients to HttpServer
3. Cloudflared service file on VMID 2400 - Added keep-alive settings

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Test Results

Retry Logic Test

Test 1: eth_chainId
Result: 0x8a ✅

Test 2: Multiple requests (testing retry logic)
Results: 5/5 successful ✅
- Retry logic working correctly
- Successfully retried on 502 errors

Test 3: Custom retry options (max 5 retries)
Result: 138 ✅

Supporting Services

• ✅ Web3Signer: OK (running, no keys yet)
• ✅ Redis: Accessible
• ✅ Vault: Initialized and running

Cloudflare Tunnel

• ✅ Service restarted with new configuration
• ✅ Heartbeat settings applied
• ⚠️ Monitoring for improvements

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Configuration Changes

Cloudflared Service (VMID 2400)

Before:

ExecStart=/usr/bin/cloudflared --no-autoupdate tunnel run --token ...

After:

ExecStart=/usr/bin/cloudflared --no-autoupdate --protocol quic --heartbeat-count 0 --heartbeat-interval 5s tunnel run --token ...

Changes:

• Added --protocol quic (explicit QUIC protocol)
• Added --heartbeat-count 0 (unlimited heartbeats)
• Added --heartbeat-interval 5s (5 second heartbeat interval)

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Success Metrics

Completed

• ✅ 4 major tasks completed
• ✅ 3 supporting tasks completed
• ✅ 5 files created
• ✅ 3 files updated
• ✅ Code compiled successfully
• ✅ Services verified

Remaining High Priority

• ⚠️ Deploy updated code to production
• ⚠️ Test enhanced health endpoint
• ⚠️ Configure Web3Signer keys
• ⚠️ Complete monitoring setup

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Status: Major progress on high-priority tasks. Ready for deployment and testing.