Overview
A two-part system for cryptocurrency arbitrage trading: a Node.js server that monitors order books across multiple exchanges and automatically executes trades when profitable spreads are detected, paired with a Chrome extension that intercepts and relays trading data from exchange web interfaces.
Server — Node.js Arbitrage Engine
Key Features
- Multi-Exchange Support: Integrates with Bitget, Kucoin Futures, and MEXC via CCXT library
- Real-Time Order Book Monitoring: WebSocket-based price feeds across exchanges
- Automated Arbitrage Detection: Identifies profitable spreads above 0.60% threshold
- Trade Execution: Automatic buy/sell orders when spread targets are met
- Position Management: Tracks open positions with P&L calculations
- Funding Fee Monitoring: Tracks futures funding rates for strategy optimization
- Data Persistence: SQLite databases for trade history, position logs, and arbitrage data
- Excel Reporting: Generates analysis reports via ExcelJS
Tech Stack
- Runtime: Node.js (ES Modules)
- Framework: Express.js
- Exchange API: CCXT (unified multi-exchange library)
- Database: SQLite (better-sqlite3) — separate DBs for trades, positions, arbitrage data
- Real-Time: WebSocket (ws) for order book streaming
- Templating: Pug for web dashboard
Chrome Extension — Order Interceptor
Key Features
- Request Interception: Captures order creation requests on MEXC futures platform
- WebSocket Relay: Streams intercepted order data to the backend server in real-time
- Toggle Control: Popup UI to activate/deactivate interception
Tech Stack
- Frontend: Vue.js 2
- Build: Laravel Mix (Webpack)
- Styling: SASS
- Manifest: Chrome Extension Manifest v3