2 Commits

Author	SHA1	Message	Date
Alexis Bruneteau	d9b6b66813	fix: Update test script to use root endpoint for health check ... Nginx load balancer intercepts /health and returns plain text. Updated test to use root endpoint (/) which returns JSON and verify backend is actually running.	2025-11-07 03:10:54 +01:00
Alexis Bruneteau	1a42b4d83b	feat: Implement blockchain-based election storage with cryptographic security ... Elections are now immutably recorded to blockchain with: - SHA-256 hash chain for integrity (prevents tampering) - RSA-PSS signatures for authentication - Candidate verification via SHA-256 hash - Tamper detection on every verification - Complete audit trail Changes: - backend/blockchain_elections.py: Core blockchain implementation (ElectionBlock, ElectionsBlockchain) - backend/init_blockchain.py: Startup initialization to sync existing elections - backend/services.py: ElectionService.create_election() with automatic blockchain recording - backend/main.py: Added blockchain initialization on startup - backend/routes/elections.py: Already had /api/elections/blockchain and /{id}/blockchain-verify endpoints - test_blockchain_election.py: Comprehensive test suite for blockchain integration - BLOCKCHAIN_ELECTION_INTEGRATION.md: Full technical documentation - BLOCKCHAIN_QUICK_START.md: Quick reference guide - BLOCKCHAIN_IMPLEMENTATION_SUMMARY.md: Implementation summary API Endpoints: - GET /api/elections/blockchain - Returns complete blockchain - GET /api/elections/{id}/blockchain-verify - Verifies election integrity Test: python3 test_blockchain_election.py 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>	2025-11-07 03:01:11 +01:00