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fix(multicall): resolve critical multicall parsing corruption issues

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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

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Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Krypto Kajun
2025-10-17 00:12:55 -05:00
parent f358f49aa9
commit 850223a953
8621 changed files with 79808 additions and 7340 deletions
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docs/8_reports/enhancements/arbitrum_integration_plan.md Normal file
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# Arbitrum Integration Enhancement Plan
## Goal
Ensure all Arbitrum network integrations (sequencer monitor, ABI decoders, RPC failover) are production-grade and resilient.
## Tasks
1. **Sequencer & Parser**
- [ ] Validate `monitor.ArbitrumMonitor` handles all transaction types; add tests with real block samples.
- [ ] Remove placeholder logging in `createArbitrumMonitor`, confirm default path uses full sequencer reader.
2. **ABI Decoding**
- [ ] Expand coverage in `pkg/arbitrum/parser` for multicall variants, custom protocols.
- [ ] Add fuzz/property tests for decoder correctness.
3. **Connection Management**
- [ ] Audit `pkg/arbitrum/connection.go` for failover, rate limiting, and health checks.
- [ ] Document required environment variables (`ARBITRUM_RPC_ENDPOINT`, `ARBITRUM_WS_ENDPOINT`), default policies.
4. **Logging & Metrics**
- [ ] Ensure errors and reconnection attempts emit structured logs and Prometheus metrics.
5. **Docs**
- [ ] Update `docs/6_operations/DEPLOYMENT_GUIDE.md` with operator steps for Arbitrum endpoints.
## References
- `pkg/arbitrum`, `pkg/monitor`
- `docs/6_operations`