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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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Database Layer Hardening Plan
Goal
Ensure database access patterns are efficient, resilient, and match schema constraints across pkg/database and integrations.
Tasks
-
Schema & Migrations
- Review current schema/migrations (if any) to confirm tables/indexes align with access patterns.
- Document schema in
docs/(ER diagram, migration history).
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Connection Management
- Validate pool settings (
max_open,max_idle,conn max lifetime) and expose via config. - Implement health checks and failover for primary/replica setups.
- Validate pool settings (
-
Transaction Integrity
- Ensure critical writes use transactions with rollback on error.
- Add tests for idempotent persistence (e.g., duplicate opportunities).
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Performance & Monitoring
- Instrument slow query logging and Prometheus metrics.
- Run load tests to ensure queue/execution writes keep up under peak load.
-
Docs & Runbooks
- Update deployment docs with connection strings, maintenance tasks, backup/restore procedures.
References
pkg/database/database.gopkg/database/database_test.godocs/6_operations/DEPLOYMENT_GUIDE.md