Raxx · internal docs

Development Log

2025-03-13: Bug Fixes and Parameter Handling Improvements

• Fixed parameter handling for API requests
• Corrected strategy_params format to properly convert between frontend and backend formats
• Updated data_feed parameter handling to ensure consistent format
• Fixed endpoint URL for strategy comparison from /api/compare to /api/compare-strategies
• Added proper date formatting for API requests

2025-03-13: Symbol Search Component and Data Feed Improvements

• Created a dedicated SymbolSearch component to handle symbol searching and suggestions
• Implemented debounce functionality to prevent excessive API calls
• Added proper loading indicators and styling for suggestions

• Improved user experience with keyboard navigation and selection

• Updated data feed handling in the API

• Changed from boolean use_realtime_data to string data_feed parameter
• Added support for two data feed options: sip (real-time) and delayed_sip (delayed)
• Updated UI to clearly indicate which data feed is being used

• Updated backend to handle the new parameter format

• Improved UI components

• Redesigned BacktestForm and StrategyComparisonForm components
• Created new StrategyComparisonResults component
• Updated BacktestResults component with tabbed interface

• Enhanced error handling and user feedback

• Added comprehensive API documentation

• Created detailed API.md file with endpoint descriptions
• Documented request/response formats
• Added information about data feed options

2025-03-12: UI Tests Improvements

• Renamed selenium directory to ui_tests to avoid package conflicts
• Updated test runner and scripts to use the new directory structure
• Enhanced error handling in UI tests with screenshots and better debugging
• Updated documentation for UI tests

2025-03-11: DateTimePickerDual Component

• Created a new DateTimePickerDual component for selecting date ranges
• Implemented validation to ensure start date is before end date
• Added visual feedback for invalid date selections
• Updated Backtest and Strategy Comparison forms to use the new component

2025-03-10: Initial Project Setup

• Set up basic project structure
• Implemented backend API with Flask
• Created frontend UI with React
• Added initial trading strategies
• Set up basic backtesting functionality

2025-03-13: Bug Fixes for Parameter Handling and Data Display

Fixed Issues

• Parameter Handling: Fixed parameter handling in both frontend and backend to ensure proper communication between components
• Updated strategy parameter conversion from array to dictionary format
• Fixed date formatting to properly handle ISO date strings
• Added proper handling of the data_feed parameter throughout the application
• Data Display: Fixed issues with data display in the frontend
• Updated BacktestResults component to handle different data formats
• Updated StrategyComparisonResults component to handle both new and old data formats
• Added better error handling and debugging information
• API Endpoints: Fixed issues with API endpoints
• Updated /api/backtest endpoint to properly process parameters
• Updated /api/compare-strategies endpoint to handle strategy-specific parameters
• Added proper error handling and logging
• Alpaca API Integration: Fixed issues with Alpaca API integration
• Updated Backtest class to properly use the data_feed parameter
• Added fallback mechanism for SIP subscription errors

Technical Details

• Added parameter type conversion (string to number) for numeric parameters
• Improved error handling with detailed error messages and stack traces
• Added console logging for debugging purposes
• Ensured backward compatibility with existing data formats