All notable changes to this project will be documented in this file.
The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.
- Channel state machine implementation
- Multi-participant state validation
- Sequence number verification
- Balance overflow protection
- Comprehensive test suite with real-world scenarios
- Concurrent state updates with thread safety
- Cryptographic primitives
- Ed25519 key generation and verification
- Multi-signature support with strict validation
- Replay attack prevention through sequence numbers
- Signature order validation
- Consistent message serialization for signatures
- Multisignature verification framework
- Ed25519 signature wrapper types
- Participant signature validation
- Test coverage for valid/invalid signatures
- Deterministic signature verification order
- Comprehensive integration test suite
- UTXO transaction flow testing
- Double-spend prevention verification
- Complex transaction chain scenarios
- Unconfirmed transaction handling
- Merkle tree proof verification
- Test utilities and factories
- Merkle tree implementation for state verification
- Efficient proof generation and verification
- Support for dynamic tree updates
- Comprehensive test coverage
- In-memory UTXO cache implementation with thread-safe access
- UTXO model with confirmation tracking
- Proper transaction hashing using Keccak256
- Initial development plan in docs/DEVELOPMENT_PLAN.md
- Basic in-memory UTXO set management
- UTXO storage error handling
- CHANGELOG.md file for tracking project changes
- SdbStore implementation for UTXO persistence
- Documentation comments for transaction models
- Enhanced Input struct with BIP68 sequence numbers and hex serialization
- Enhanced test coverage for edge cases
- Invalid signature detection
- Balance manipulation attempts
- Sequence number attacks
- Multi-participant scenarios
- Concurrent state update handling
- Updated cryptographic primitives to support channel operations
- Enhanced error handling patterns for state transitions
- Improved state update validation:
- Consistent balance change ordering
- Proper sequence number validation
- Safe balance arithmetic with overflow checks
- Thread-safe state updates
- Fixed UTXO storage implementation bugs:
- Added missing hex and bincode dependencies
- Corrected is_empty() implementation in SdbStore
- Added double-spend prevention in UTXO cache
- Fixed UTXO existence checks before spending
- Fixed Merkle tree implementation:
- Corrected proof generation for odd-sized trees
- Fixed hash ordering in proof verification
- Added proper handling of single-leaf trees
- Fixed level size tracking in proof generation
- Updated Input struct with index field and documentation
- Improved UTXO storage error handling patterns
- Consolidated changelog entries for better readability
- Project structure initialized based on development plan
- Updated development plan with completed initial setup tasks
- Core dependencies: Tokio, ed25519-dalek, RocksDB
- Basic UTXO transaction models (Input, Output, Transaction)
- Serialization support with serde
- Development toolchain (rustfmt, clippy)
- GitHub Actions CI/CD pipeline
- Added protection against:
- Balance overflow attacks
- Signature replay attacks
- Invalid participant signatures
- Out-of-order state updates
- Security audit requirements documented
- Cryptographic implementation guidelines added
- Comprehensive integration test suite
- UTXO transaction flow testing
- Double-spend prevention verification
- Complex transaction chain scenarios
- Unconfirmed transaction handling
- Merkle tree proof verification
- Test utilities and factories
- Merkle tree implementation for state verification
- Efficient proof generation and verification
- Support for dynamic tree updates
- Comprehensive test coverage
- In-memory UTXO cache implementation with thread-safe access
- UTXO model with confirmation tracking
- Proper transaction hashing using Keccak256
- Initial development plan in docs/DEVELOPMENT_PLAN.md
- Basic in-memory UTXO set management
- UTXO storage error handling
- CHANGELOG.md file for tracking project changes
- SdbStore implementation for UTXO persistence
- Documentation comments for transaction models
- Enhanced Input struct with BIP68 sequence numbers and hex serialization
- Fixed UTXO storage implementation bugs:
- Added missing hex and bincode dependencies
- Corrected is_empty() implementation in SdbStore
- Added double-spend prevention in UTXO cache
- Fixed UTXO existence checks before spending
- Fixed Merkle tree implementation:
- Corrected proof generation for odd-sized trees
- Fixed hash ordering in proof verification
- Added proper handling of single-leaf trees
- Fixed level size tracking in proof generation
- Updated Input struct with index field and documentation
- Improved UTXO storage error handling patterns
- Consolidated changelog entries for better readability
- Project structure initialized based on development plan
- Updated development plan with completed initial setup tasks
- Core dependencies: Tokio, ed25519-dalek, RocksDB
- Basic UTXO transaction models (Input, Output, Transaction)
- Serialization support with serde
- Development toolchain (rustfmt, clippy)
- GitHub Actions CI/CD pipeline
- Basic project documentation framework
- Task tracking system for development phases
- Initial dependency list for Rust components
- Security audit requirements documented
- Cryptographic implementation guidelines added
[Unreleased] [0.1.0]