# chie-core TODO
## Status: ✅ Feature Complete
**Metrics (2026-01-18)**
- Modules: 40+
- Unit Tests: 400+
- Doc Tests: 27
- Benchmark Groups: 9
- Source Code: ~20,000 lines
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## Implemented Features
### Storage
- [x] **Chunk Storage** - Store and retrieve encrypted chunks
- [x] **Chunk Encryption** - Per-chunk encryption with nonces
- [x] **Content Integrity** - Verification with manifests
- [x] **Storage Quota** - Usage management and limits
- [x] **Tiered Storage** - SSD/HDD tier migration
- [x] **Backup/Restore** - Content backup functionality
- [x] **Garbage Collection** - Unprofitable content cleanup
### Content Management
- [x] **Content Manager** - LRU cache for metadata
- [x] **Selective Pinning** - Profitability-based pinning optimizer
- [x] **Popularity Tracking** - Request and bandwidth history
- [x] **Prefetching** - Predictive chunk loading
- [x] **Deduplication** - Content-addressable storage
- [x] **Compression** - Multiple algorithms (RLE, DEFLATE)
- [x] **Streaming** - Memory-efficient content transfer
### Network
- [x] **Peer Selection** - Multi-factor scoring and selection strategies
- [x] **Content Routing** - Smart discovery with caching
- [x] **Adaptive Rate Limiting** - Reputation-based limits
- [x] **Network Diagnostics** - Connection quality monitoring
- [x] **Request Orchestrator** - Unified content retrieval
### Monitoring
- [x] **Metrics** - Prometheus-compatible export
- [x] **Profiler** - Lightweight performance profiling
- [x] **Analytics** - Usage statistics collection
- [x] **Health Checks** - Component-level monitoring
- [x] **Reputation System** - Peer behavior tracking
### Resilience
- [x] **Circuit Breaker** - Failure protection pattern
- [x] **Retry Logic** - Exponential backoff with jitter
- [x] **Anomaly Detection** - Statistical fraud detection
- [x] **Validation** - Content and proof validation
### Advanced
- [x] **Batch Processing** - Parallel task execution
- [x] **Event Bus** - Pub/sub for decoupled communication
- [x] **Configuration Management** - Centralized settings
- [x] **QUIC Transport** - Modern networking with multiplexing
- [x] **Cache Layers** - TTL, tiered, and sized caches
### Utilities
- [x] **Const Functions** - Compile-time byte/bandwidth/duration conversions
- [x] **Async Utilities** - Timeout, retry, debounce helpers
- [x] **Test Utilities** - Mock builders and temp directories
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## Recent Fixes (2026-01-18)
- Fixed deadlock in adaptive_retry module (test_failure_patterns, test_systemic_issue_detection)
- Fixed deadlock in resource_mgmt module (6 tests affected)
- All tests now complete in <1 second instead of 60+ second timeouts
---
## Quality
- Zero compiler warnings
- Zero clippy warnings
- All tests passing
- All files under 2000 lines
- 9 benchmark suites
- Production-ready