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#003

September 19, 2025:- Signature Verification Implemented, Chess Server PoC Launched

Purpose

To validate result verification logic and simulate the complete match flow from game engine to blockchain settlement.

Key Highlights

  • Dual-signature submission requirement enforced - Smart contract now requires both players' signatures before processing match results

  • Chess server prototype operational - Local WebSocket server handles real-time moves with game-state hash generation

  • EIP-712 signature implementation completed - Structured data signing with domain separator and typed data schemas

  • Firebase integration initiated - Identity linking system supports both Web3 wallets and traditional social login

  • Match flow integrated - Complete pipeline: play → hash game state → dual sign → submit to blockchain → automatic payout

  • Basic replay system designed - Move history logged with cryptographic hashes for dispute resolution

Why It Matters

  • Secures gameplay outcome integrity - Cryptographic signatures prevent result manipulation or false claims

  • Ties game results to verifiable proof - Each match outcome backed by mathematical certainty, not trust

  • Enables trustless settlement - Smart contracts automatically distribute rewards without human intervention

  • Supports hybrid user onboarding - Players can use existing social accounts while maintaining crypto benefits

Open Issues

  • Signature mismatch detection incomplete - System needs better handling when players submit conflicting results

  • Dispute window and arbitration flow undefined - Process for resolving contested matches requires design

  • WebSocket disconnection recovery - Game state synchronization after network interruptions needs improvement

  • Move validation efficiency - Chess rule verification may cause performance bottlenecks during complex games

Fixed

  • Result verification with ecrecover() operational - Smart contract successfully validates player signatures and processes settlements

  • Race condition in dual submission resolved - Implemented mutex locks to prevent simultaneous result processing conflicts

Next Steps

  • Develop UI for match initiation and result display - Create intuitive interface for stake selection, game play, and outcome viewing

  • Store comprehensive move history - Implement detailed logging system for complete game replay capability

  • Connect backend to smart contract events - Set up event listeners to track on-chain transactions and update database accordingly

  • Implement basic dispute resolution - Create admin panel for manual review of contested match outcomes

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