Files
foxhunt/services/backtesting_service
jgrusewski c6054218c8 🔐 Wave 149 Phase 1-2: JWT Whitespace + Database Schema (Agents 411-412)
**Issue**: 21 E2E tests failing with InvalidSignature JWT errors
**Root Cause #1**: Asymmetric whitespace trimming in JWT secret loading
**Root Cause #2**: Missing backtests database schema

## Fixes Applied

### Agent 411: JWT Whitespace Trimming
- **File**: services/api_gateway/src/auth/jwt/service.rs:128
- **Problem**: Secrets from files trimmed, env vars not trimmed
- **Fix**: Added `.trim().to_string()` to env var loading path
- **Impact**: Consistent secret handling across load methods

### Agent 412: Database Schema Creation
- **File**: services/backtesting_service/migrations/001_create_tables_fixed.sql
- **Problem**: backtests table didn't exist (syntax errors in original migration)
- **Fix**: Created 8 tables + 28 indexes for backtesting service
- **Impact**: +1 test passing (test_e2e_backtest_list)

## Test Results
- Before: 28/49 (57.1%)
- After Phase 1-2: 29/49 (59.2%)
- Improvement: +1 test (+2.1%)

## Files Modified
- services/api_gateway/src/auth/jwt/service.rs (+2 lines)
- services/backtesting_service/migrations/001_create_tables_fixed.sql (new file, 8 tables, 28 indexes)

Co-authored-by: Wave 149 Agent 411 (JWT Whitespace)
Co-authored-by: Wave 149 Agent 412 (Database Schema)
2025-10-12 19:57:35 +02:00
..

Backtesting Service

Overview

The backtesting_service offers an independent and isolated environment for rigorously testing and validating trading strategies against historical market data. It provides a robust platform for simulating trading performance, analyzing strategy efficacy, and generating comprehensive performance reports before live deployment.

Features

  • Independent Backtesting Service: Operates autonomously, allowing for parallel and isolated strategy evaluations.
  • gRPC API for Backtest Execution: Exposes a clear API for submitting and managing backtesting jobs.
  • Strategy Testing and Validation: Enables comprehensive testing of various trading strategies under different market conditions.
  • Performance Reporting: Generates detailed reports including metrics like P&L, Sharpe ratio, drawdown, and win rate.
  • Data Replay Engine: Accurately replays historical market data, simulating real-world order book dynamics and trade execution.
  • Results Persistence: Stores backtesting results and reports for historical analysis and comparison.

gRPC API

The backtesting_service exposes a gRPC API for initiating and retrieving backtest results. Key endpoints include:

  • RunBacktest - Submit backtest configuration and strategy
  • GetBacktestResults - Retrieve results for completed backtests
  • ListAvailableStrategies - List registered strategies
  • GetBacktestReport - Get detailed performance report

Running the service

To run the backtesting_service binary:

cargo run --bin backtesting_service

Data Requirements

The service requires historical market data in Parquet format:

  • Data should be stored in the configured data directory
  • Supports tick data, order book snapshots, and OHLCV candles
  • Data must include instrument, timestamp, and price/quantity fields

Testing

To run the tests for the backtesting_service crate:

cargo test --package backtesting_service

Documentation

Comprehensive API documentation is available at docs.rs/backtesting_service.