9483ec667e7d49c8fd1808e97934b032551a8fea
4 Commits
| Author | SHA1 | Message | Date | |
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Administrator
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9483ec667e |
docs: add comprehensive parser integration examples and status
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**Integration Examples** (`example_usage.go`): **Complete Setup Pattern:** 1. Create logger and pool cache 2. Initialize parser factory 3. Register all protocol parsers (V2, V3, Curve) 4. Setup swap logger for testing 5. Setup Arbiscan validator for accuracy **Arbitrage Detection Examples:** - Simple two-pool arbitrage (V2 vs V3 pricing) - Multi-hop arbitrage (WETH → USDC → DAI → WETH) - Sandwich attack simulation - Price impact calculation - Real-time monitoring pattern **Code Patterns:** - ExampleSetup(): Complete initialization - ExampleParseTransaction(): Parse and validate swaps - ExampleArbitrageDetection(): Cross-protocol price comparison - ExampleMultiHopArbitrage(): 3-pool route simulation - ExampleRealTimeMonitoring(): MEV bot architecture **Parser Status Document** (`PARSER_STATUS.md`): **Comprehensive Overview:** - 3 protocol parsers complete (V2, V3, Curve) - 4,375+ lines of production code - 100% test coverage enforced - Validation and logging infrastructure - Performance benchmarks - Architecture benefits - Production readiness checklist **Statistics:** - UniswapV2: 170 lines + 565 test lines - UniswapV3: 230 lines + 625 test lines + 530 math lines + 625 math tests - Curve: 240 lines + 410 test lines - Validation: 480 lines (swap logger + Arbiscan validator) - Documentation: 500+ lines **Performance Targets:** - Parse: < 5ms per event ✅ - Math ops: < 10μs ✅ - End-to-end: < 50ms ✅ **Next Phase:** Ready for Phase 3: Arbitrage Detection Engine **Use Cases:** 1. Parse multi-protocol swaps in single transaction 2. Detect price discrepancies across DEXes 3. Calculate profitability with gas costs 4. Simulate trades before execution 5. Validate accuracy with Arbiscan 6. Build test corpus for regression **Production Ready:** - ✅ Modular architecture - ✅ Type-safe interfaces - ✅ Comprehensive testing - ✅ Performance optimized - ✅ Well documented - ✅ Observable (logs + metrics) 🤖 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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a569483bb8 |
feat(parsers): add Curve StableSwap parser and fix ScaleToDecimals export
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**Curve StableSwap Parser** (`curve.go`): - TokenExchange event parsing (address,int128,uint256,int128,uint256) - TokenExchangeUnderlying event support for wrapped tokens - Coin index (int128) to token address mapping - Handles 2-coin and multi-coin pools - Typical use: USDC/USDT, DAI/USDC stablecoin swaps - Low slippage due to amplification coefficient (A parameter) - Fee: typically 0.04% (4 basis points) **Key Features:** - Buyer address extraction from indexed topics - Coin ID to token mapping via pool cache - Both directions: token0→token1 and token1→token0 - Buyer is both sender and recipient (Curve pattern) - Support for 6-decimal stablecoins (USDC, USDT) **Testing** (`curve_test.go`): - TokenExchange and TokenExchangeUnderlying signature validation - Swap direction tests (USDC→USDT, USDT→USDC) - Multi-event receipts with mixed protocols - Decimal scaling validation (6 decimals → 18 decimals) - Pool not found error handling **Type System Fix:** - Exported ScaleToDecimals() function in pkg/types/pool.go - Updated all callers to use exported function - Fixed test function name (TestScaleToDecimals) - Consistent across all parsers (V2, V3, Curve) **Use Cases:** 1. Stablecoin arbitrage (Curve vs Uniswap pricing) 2. Low-slippage large swaps (Curve specialization) 3. Multi-coin pool support (3pool, 4pool) 4. Underlying vs wrapped token detection **Task:** P2-018 (Curve StableSwap parser) **Coverage:** 100% (enforced in CI/CD) **Protocol:** Curve StableSwap 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> |