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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog.

[Unreleased]

Fixed

  • Fix deprecated logger.warn() → logger.warning() across 80+ files
  • Fix MEXC WebSocket _setup_logger indentation error in market_wss_base.py and account_wss_base.py
  • Replace residual print() with logger in MyWebsocketApp.message_rsp()
  • Fix hardcoded salt in security.py — now uses random salt via os.urandom(16)

Changed

  • Remove cython from runtime dependencies (build-only dependency)
  • Relax numpy version constraint from <2.0.0 to allow NumPy 2.x
  • CI: MyPy type checking now fails CI on errors (was continue-on-error)
  • CI: Bandit security scan now fails CI on findings (was continue-on-error)
  • Add pytest timeout (30s per test) to prevent hanging tests

Added

  • CHANGELOG.md — this file

[0.15.0] - 2025-01-01

Added

  • Unified BtApi interface — call get_tick(), make_order() etc. directly on BtApi
  • Registry Pattern for plug-and-play exchange extensions
  • EventBus for publish/subscribe event dispatching
  • AbstractVenueFeed protocol and AsyncWrapperMixin
  • RateLimiter with sliding window / fixed window modes
  • ConnectionPool for HTTP/WebSocket connection reuse
  • SecureCredentialManager for encrypted API key storage
  • Custom exception hierarchy (BtApiError, ExchangeNotFoundError, etc.)
  • 73 exchange registrations
  • CTP (China Futures) C++ extension via SWIG
  • Cython performance extension for calculations
  • WebSocket exponential backoff reconnection in MyWebsocketApp
  • Comprehensive test suite with unit/integration markers
  • MkDocs documentation site
  • GitHub Actions CI/CD (tests, lint, security)

[0.14.0] - 2024-12-01

Added

  • OKX spot/swap full implementation with WebSocket support
  • Binance spot/swap with account WebSocket streams
  • HTX (Huobi) spot trading support
  • Interactive Brokers Web API integration
  • Browser cookie support for IB Web API

[0.13.0] - 2024-11-01

Added

  • Initial multi-exchange framework
  • Standardized data containers (Ticker, OrderBook, Bar, Order, Position, etc.)
  • YAML-based exchange configuration system