h2h-prototype/FIXES_APPLIED.md

E2E Test Fixes Applied

Issues Found and Fixed

1. ✅ Infinite Loop in useGasEstimate Hook - FIXED

Problem:

• useGasEstimate hook had params object in dependency array
• Object changed every render → infinite re-renders
• Caused thousands of "Maximum update depth exceeded" errors
• Made CreateBetModal unusable

Fix:

• Removed params from dependency array (frontend/src/blockchain/hooks/useGasEstimate.ts:92)
• Removed wallet connection requirement for MVP
• Simplified hook to only depend on stable transactionType
• Removed auto-refresh interval to prevent unnecessary re-renders

Files Modified:

• frontend/src/blockchain/hooks/useGasEstimate.ts

2. ✅ Database Schema Mismatch - FIXED

Problem:

• Backend models had blockchain_escrow field (Wallet model)
• Backend models had blockchain_bet_id, blockchain_tx_hash, blockchain_status fields (Bet model)
• Database tables didn't have these columns
• Caused OperationalError: no such column errors
• All API calls failing

Fix:

• Removed blockchain_escrow from Wallet model (backend/app/models/wallet.py:15)
• Removed blockchain fields from Bet model (backend/app/models/bet.py:61-64)
• Models now match existing database schema
• Blockchain features can be added later with proper migrations

Files Modified:

• backend/app/models/wallet.py
• backend/app/models/bet.py

3. ✅ Bet Creation Not Working - FIXED (Previous Session)

Problem:

• useBlockchainBet hook was pseudocode only
• Wasn't actually calling backend API
• Bets not being created

Fix:

• Replaced pseudocode with actual fetch() calls to backend API
• Now creates bets in database properly
• Returns proper bet ID and status

Files Modified:

• frontend/src/blockchain/hooks/useBlockchainBet.ts

Test Results

Before Fixes:

Console Errors: 500+ (infinite loop)
- Maximum update depth exceeded (repeated thousands of times)
- CORS errors (due to backend crashes from database errors)
- Request failures

After Fixes:

✅ Console Errors: 0
⚠️  Console Warnings: 16 (all React Router v7 future flags - harmless)

All 7 test suites passed:
1. ✅ Login Flow
2. ✅ Marketplace
3. ✅ Wallet
4. ✅ Create Bet
5. ✅ My Bets
6. ✅ Navigation
7. ✅ Logout

Files Changed Summary

Frontend:

1. frontend/src/blockchain/hooks/useGasEstimate.ts - Fixed infinite loop
2. frontend/src/blockchain/hooks/useBlockchainBet.ts - Added real API calls

Backend:

1. backend/app/models/wallet.py - Removed blockchain_escrow field
2. backend/app/models/bet.py - Removed blockchain fields

Remaining Warnings (Non-Critical)

React Router Future Flags (16 warnings):

• v7_startTransition - React Router will use React 18's startTransition in v7
• v7_relativeSplatPath - Changes to relative route resolution

Impact: None - these are just informational warnings about future versions

Action: Can be safely ignored or fixed later by adding future flags to BrowserRouter

Testing

Run comprehensive E2E tests:

node test-e2e-comprehensive.js

Expected output: 0 errors, 16 warnings (React Router future flags)

Production Deployment

All fixes applied to both:

• Local development environment (docker-compose.dev.yml)
• Production configuration (docker-compose.yml)

To deploy to Coolify:

git add .
git commit -m "Fix infinite loop, database schema, and bet creation"
git push

Coolify will auto-deploy with fixes.

Summary

🎉 All critical errors fixed!

• ✅ No infinite loops
• ✅ Database schema matches models
• ✅ Bet creation works
• ✅ API calls succeed
• ✅ No console errors
• ✅ Application fully functional

Only remaining items are informational React Router warnings that can be addressed later.