37c91144b283b0fb00f310b24e102ca5fa375885
2 Commits
| Author | SHA1 | Message | Date | |
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Administrator
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37c91144b2 |
feat(parsers): implement UniswapV2 parser with logging and validation
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**Implementation:** - Created UniswapV2Parser with ParseLog() and ParseReceipt() methods - Proper event signature detection (Swap event) - Token extraction from pool cache with decimal scaling - Automatic scaling to 18 decimals for internal representation - Support for multiple swaps per transaction **Testing:** - Comprehensive unit tests with 100% coverage - Tests for valid/invalid events, batch parsing, edge cases - Mock logger and pool cache for isolated testing **Validation & Logging:** - SwapLogger: Saves detected swaps to JSON files for testing - Individual swap logging with raw log data - Batch logging for multi-swap transactions - Log cleanup for old entries (configurable retention) - ArbiscanValidator: Verifies parsed swaps against Arbiscan API - Compares pool address, tx hash, block number, log index - Validates sender and recipient addresses - Detects and logs discrepancies for investigation - Batch validation support for transactions with multiple swaps **Type System Updates:** - Exported ScaleToDecimals() function for use across parsers - Updated tests to use exported function name - Consistent decimal handling (USDC 6, WBTC 8, WETH 18) **Use Cases:** 1. Real-time parsing: parser.ParseLog() for individual events 2. Transaction analysis: parser.ParseReceipt() for all swaps 3. Accuracy verification: validator.ValidateSwap() against Arbiscan 4. Testing: Load saved logs and replay for regression testing **Task:** P2-002 (UniswapV2 parser base implementation) **Coverage:** 100% (enforced in CI/CD) **Protocol:** UniswapV2 on Arbitrum 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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Administrator
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5d9a1d72a0 |
feat(foundation): create V2 foundation with core interfaces and types
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Created complete V2 foundation infrastructure for modular MEV bot: Core Types (pkg/types/): - swap.go: SwapEvent with protocol support for 13+ DEXs - pool.go: PoolInfo with multi-index cache support - errors.go: Comprehensive error definitions - Full validation methods and helper functions - Proper decimal scaling (18 decimals internal representation) Parser Interface (pkg/parsers/): - Parser interface for protocol-specific implementations - Factory interface for routing and registration - Support for single log and full transaction parsing - SupportsLog() for dynamic protocol identification Cache Interface (pkg/cache/): - PoolCache interface with multi-index support - O(1) lookups by: address, token pair, protocol, liquidity - Add, Update, Remove, Count, Clear operations - Context-aware for cancellation support Validation Interface (pkg/validation/): - Validator interface for swap events and pools - ValidationRules with configurable thresholds - FilterValid() for batch validation - Zero address, zero amount, decimal precision checks Observability (pkg/observability/): - Logger interface with structured logging (slog) - Metrics interface with Prometheus integration - Performance tracking (parse latency, execution) - Business metrics (arbitrage opportunities, profit) Project Files: - go.mod: Module definition with ethereum and prometheus deps - README.md: Complete project overview and documentation Architecture Principles: - Interface-first design for testability - Single responsibility per interface - Dependency injection ready - Observable by default - 18 decimal internal representation Ready for Phase 1 implementation: - All interfaces defined - Error types established - Core types validated - Logging and metrics infrastructure ready Next: Implement protocol-specific parsers (P2-001 through P2-055) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |