Changelog

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.

[Unreleased]

Added

Dual Bitcoin implementation with Python and Rust support
Feature flag system for implementation selection
Comprehensive test suite for both implementations
Bitcoin interface with transaction and wallet operations
Configuration system with environment variable support
Test driver program for demonstration and validation
Package distribution system with SHA256 checksum verification
Cross-platform packaging support (Windows PowerShell and Unix bash)

[0.1.0] - 2025-02-25

Added

[2025-02-24] Implemented core ML service architecture
[2025-02-24] Added Bitcoin protocol stubs and adapter pattern
[2025-02-24] Created Web5 integration framework
[2025-02-24] Developed hexagonal architecture port definitions
[2025-02-24] Added comprehensive system architecture documentation
[2025-02-24] Created DAO governance module with quadratic voting support
[2025-02-24] Implemented two-day execution delay for governance
[2025-02-24] Added secure model signing for federated learning

Changed

[2025-02-24] Refactored file structure for better organization
[2025-02-24] Updated all documentation to reflect current architecture
[2025-02-24] Standardized error handling across all modules
[2025-02-24] Improved module interfaces for better type safety
[2025-02-24] Enhanced dependency management for all components

Security

[2025-02-24] Implemented HSM-based key protection for critical operations
[2025-02-24] Added federated learning with differential privacy
[2025-02-24] Enhanced DID rotation mechanism with 90-day policy
[2025-02-24] Implemented multi-signature governance with time locks
[2025-02-24] Added secure aggregation for ML model updates

Fixed

[2025-02-24] Resolved dependency conflicts in package.json and Cargo.toml
[2025-02-24] Fixed cross-platform path handling issues
[2025-02-24] Corrected module import problems in the ML system
[2025-02-24] Addressed missing configuration for Windows environments
[2025-02-24] Fixed inconsistent versioning across components

[0.4.0] - 2024-12-07

Added

rust-bitcoin v0.30 integration
Taproot descriptor support
DLC dispute protocol

Changed

LDK v0.8 compatibility
RSK bridge security model
HSM oracle signing flow

Deprecated

Legacy SegWit addresses
Basic multisig wallets

[0.3.0] - 2024-11-15

Added

Initial ML pipeline implementation
Web5 DID integration framework
Hexagonal architecture foundation

Changed

Updated Rust toolchain to 2021 edition
Enhanced Bitcoin transaction handling
Improved testing framework

[0.2.0] - 2025-03-01

Added

Enhanced BDK wallet functionality in Rust implementation
Electrum server connection for blockchain data in Rust
Descriptor-based wallet with BIP39 mnemonic generation
Comprehensive error handling and recovery
Support for transaction broadcasting via Electrum

Changed

Made Rust the default Bitcoin implementation
Updated feature flags to prefer rust-bitcoin by default
Improved transaction creation with proper coin selection
Enhanced address generation with BDK's descriptor wallets
Updated documentation to reflect the completed migration

Fixed

Error handling for failed network connections
Transaction fee calculation for varying transaction sizes
Balance reporting after wallet synchronization

[0.1.0] - 2025-02-15

Added

Initial release of dual Bitcoin implementation architecture
Common interface definition for Bitcoin operations
Python implementation using python-bitcoinlib
Basic Rust implementation using rust-bitcoin and BDK
Configuration system with environment variable support
Test framework to validate identical behavior across implementations
Documentation of migration strategy from Python to Rust

Last updated: 2025-03-05