TradeMaster API v1.1.0 Release Notes

Overview

TradeMaster API v1.1.0 introduces significant improvements to the user interface, backend functionality, and developer experience. This release focuses on enhancing the symbol search functionality, improving data feed handling, and providing better documentation.

Key Features

Symbol Search Component

• Dedicated Component: Created a reusable SymbolSearch component that handles symbol searching and suggestions
• Debounced API Calls: Implemented debounce functionality to prevent excessive API calls while typing
• Improved UX: Added loading indicators, keyboard navigation, and better styling for symbol suggestions
• Backend Support: Enhanced the /api/symbols endpoint to support filtering by search term

Data Feed Improvements

• Explicit Data Feed Selection: Changed from boolean use_realtime_data to string data_feed parameter
• Multiple Feed Options: Added support for two data feed options:
• sip: Real-time data (requires subscription)
• delayed_sip: Delayed data (default, available to all users)
• Clear UI Indicators: Updated UI to clearly indicate which data feed is being used
• Consistent API: Updated all relevant endpoints to use the new parameter format

UI Enhancements

• DateTimePickerDual Component: Added a new component for selecting date ranges with validation
• Redesigned Forms: Improved BacktestForm and StrategyComparisonForm components
• Enhanced Results Display:
• Created new StrategyComparisonResults component
• Updated BacktestResults component with tabbed interface for better organization
• Improved charts and data visualization
• Better Error Handling: Enhanced error feedback throughout the application

UI Testing Improvements

• Renamed Test Directory: Changed from selenium to ui_tests to avoid package conflicts
• Enhanced Error Handling: Added screenshot capture and better debugging for UI tests
• Improved Documentation: Updated test documentation with clear instructions

Technical Implementation

Frontend Changes

• Created new React components:
• SymbolSearch.js: Handles symbol searching and suggestions
• DateTimePickerDual.js: Manages date range selection
• StrategyComparisonForm.js and StrategyComparisonResults.js: Improved strategy comparison
• Updated existing components:
• BacktestForm.js: Now uses the new SymbolSearch component and data feed handling
• BacktestResults.js: Redesigned with tabbed interface for better organization

Backend Changes

• Enhanced /api/symbols endpoint to support search filtering
• Updated /api/backtest and /api/compare-strategies endpoints to use the new data_feed parameter
• Modified the Backtest class to handle different data feed options

Documentation

• Added comprehensive API documentation in docs/API.md
• Updated development log with detailed information about changes
• Improved UI test documentation

User Experience Improvements

• Faster Symbol Search: Symbol suggestions appear as you type with minimal delay
• Clearer Data Feed Options: Users now understand which data feed they're using
• Better Date Selection: Improved date range picker with validation
• Enhanced Results Viewing: Better organization of backtest and comparison results
• Improved Error Messages: More descriptive error messages throughout the application

Upgrade Instructions

For Users

1. Pull the latest version from the repository
2. Restart both frontend and backend services
3. Note that the "Real-Time Data" checkbox has been renamed to "Use SIP Data Feed"

For Developers

1. Pull the latest version from the repository
2. Update any code that uses the use_realtime_data parameter to use data_feed instead
3. If you've created custom components that search for symbols, consider using the new SymbolSearch component
4. Review the updated API documentation for changes to endpoint parameters and responses

Known Issues

• The SIP data feed still requires a valid Alpaca API subscription
• Some older browsers may not fully support all UI features

Future Plans

• Add more data feed options
• Implement user accounts and authentication
• Add more trading strategies
• Enhance visualization options for backtest results