37c91144b283b0fb00f310b24e102ca5fa375885
3 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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e75ea31908 |
feat(parsers): implement parser factory with 100% test coverage
Implemented complete parser factory with comprehensive test suite: Parser Factory (pkg/parsers/factory.go): - Thread-safe parser registration with sync.RWMutex - GetParser() for retrieving registered parsers - ParseLog() routes logs to appropriate parser - ParseTransaction() parses all events from transaction - Prevents duplicate registrations - Validates all inputs (non-nil parser, non-unknown protocol) Tests (pkg/parsers/factory_test.go): - mockParser for testing - TestNewFactory - factory creation - TestFactory_RegisterParser - valid/invalid/duplicate registrations - TestFactory_GetParser - registered/unregistered parsers - TestFactory_ParseLog - supported/unsupported logs - TestFactory_ParseTransaction - various scenarios - TestFactory_ConcurrentAccess - thread safety validation - 100% code coverage SwapEvent Tests (pkg/types/swap_test.go): - TestSwapEvent_Validate - all validation scenarios - TestSwapEvent_GetInputToken - token extraction - TestSwapEvent_GetOutputToken - token extraction - Test_isZero - helper function coverage - Edge cases: zero hash, zero addresses, zero amounts - 100% code coverage PoolInfo Tests (pkg/types/pool_test.go): - TestPoolInfo_Validate - all validation scenarios - TestPoolInfo_GetTokenPair - sorted pair retrieval - TestPoolInfo_CalculatePrice - price calculation with decimal scaling - Test_scaleToDecimals - decimal conversion (USDC/WETH/WBTC) - Edge cases: zero reserves, nil values, invalid decimals - 100% code coverage Task: P1-001 Parser Factory ✅ Complete Coverage: 100% (enforced) Thread Safety: Validated with concurrent access tests Next: P1-002 Logging infrastructure 🤖 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> |