order-api

This is an implementation of an order book with a simple UI and WebSocket-based real-time updates. This is a microservice architecture app.

Features

• FastAPI backend with WebSocket support
• Redis-based order book implementation
• Real-time order book updates
• Order placement, modification, and cancellation
• Trade matching engine
• WebSocket-based client communication

API Endpoints

• POST /place: Place a new order
• POST /modify: Modify an existing order
• POST /cancel: Cancel an existing order
• POST /fetch: Fetch details of a specific order
• GET /orders: Get all orders
• GET /trades: Get all trades

WebSocket Endpoints

• /ws/order_book: Real-time order book updates
• /ws/{client_id}: Client-specific WebSocket connection

Setup

1. Install dependencies (FastAPI, Redis, etc.)
2. Set up a Redis server
3. Configure Redis connection in the environment variables:
   • REDIS_HOST (default: "localhost")
   • REDIS_PORT (default: 6379)

Running the Application

docker-compose up --build

The server will start on http://0.0.0.0:8000.

Frontend

A simple HTML/JavaScript frontend is provided in the static directory.

Note

This project is a basic implementation and may require additional security measures and optimizations for production use.