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- Added comprehensive bounds checking to prevent buffer overruns in multicall parsing - Implemented graduated validation system (Strict/Moderate/Permissive) to reduce false positives - Added LRU caching system for address validation with 10-minute TTL - Enhanced ABI decoder with missing Universal Router and Arbitrum-specific DEX signatures - Fixed duplicate function declarations and import conflicts across multiple files - Added error recovery mechanisms with multiple fallback strategies - Updated tests to handle new validation behavior for suspicious addresses - Fixed parser test expectations for improved validation system - Applied gofmt formatting fixes to ensure code style compliance - Fixed mutex copying issues in monitoring package by introducing MetricsSnapshot - Resolved critical security vulnerabilities in heuristic address extraction - Progress: Updated TODO audit from 10% to 35% complete 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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Development and Testing Plan
Overview
This document outlines the development methodology and testing strategy for implementing exchange-specific helper libraries in the MEV bot project.
Development Methodology
Iterative Development
- Implement core interface for each exchange
- Add basic swap functionality
- Implement liquidity operations
- Add pricing functions
- Enhance with exchange-specific features
- Optimize performance
Code Organization
- Separate packages for each exchange:
pkg/exchanges/uniswap,pkg/exchanges/sushiswap, etc. - Shared interfaces in
pkg/interfaces - Common utilities in
pkg/utils - Configuration in
pkg/config
Version Control
- Feature branches for each exchange implementation
- Regular integration with main branch
- Clear commit messages following conventional commits
- Pull request reviews for all changes
Testing Strategy
Unit Testing
- Test each function in isolation
- Mock external dependencies
- Test edge cases and error conditions
- Verify interface compliance
- Target >90% code coverage for core exchange functions
Integration Testing
- Test with mainnet fork environments
- Validate against real exchange contracts
- Test multi-step operations
- Verify gas cost estimations
- Cross-platform consistency checks
Performance Testing
- Measure execution latency
- Test throughput under load
- Benchmark gas consumption
- Profile memory usage
- Stress test with high-frequency requests
Security Testing
- Validate input sanitization
- Test for common vulnerabilities
- Verify slippage protection
- Check for reentrancy issues
- Audit external calls
Quality Assurance
Code Review Process
- Required review for all pull requests
- Automated linting and formatting
- Security checks with gosec
- Documentation verification
- Test coverage verification
Continuous Integration
- Automated testing on push/PR
- Build verification
- Security scanning
- Performance regression checks
- Code quality metrics
Implementation Timeline
Phase 1: Foundation (Week 1-2)
- Set up project structure
- Implement common interfaces
- Create base exchange module
- Set up testing framework
Phase 2: Core Exchanges (Week 3-6)
- Implement Uniswap V2/V3 support
- Implement SushiSwap support
- Add basic Curve support
- Complete unit tests for core exchanges
Phase 3: Advanced Exchanges (Week 7-9)
- Implement Balancer support
- Implement PancakeSwap support
- Add DEX aggregator support
- Complete integration tests
Phase 4: Arbitrage & Optimization (Week 10-12)
- Implement cross-exchange arbitrage
- Performance optimization
- Security hardening
- Final testing and documentation
Tools and Infrastructure
Development Tools
- Go 1.21+
- Ethereum development framework (Geth/Erigon)
- Test automation tools
- Profiling and debugging tools
- Code coverage tools
Testing Infrastructure
- Local Ethereum node
- Mainnet fork environment
- Testnet deployment
- Mock exchange contracts
- Performance benchmarking tools
Risk Management
Technical Risks
- Smart contract changes affecting compatibility
- Gas cost fluctuations
- Network congestion
- Price feed inaccuracies
- Security vulnerabilities
Mitigation Strategies
- Regular contract verification
- Gas price monitoring
- Multiple price feed sources
- Comprehensive testing
- Security audits