Blockchain Payment Processor

USDT TRC-20 payment processing system extracted from production gambling platform.

Features

• USDT TRC-20 integration via TronGrid API
• Wallet pool management with FIFO rotation
• Transaction monitoring with blockchain confirmations
• Admin dashboard for pool management
• Production-ready with comprehensive error handling

Quick Start

git clone https://github.com/makarenos/blockchain-payment-processor.git
cd blockchain-payment-processor
cp .env.example .env

docker-compose up -d

Local development:

pip install -r requirements.txt
alembic upgrade head
uvicorn app.main:app --reload

Configuration

DATABASE_URL=postgresql://user:pass@localhost/blockchain_processor
TRON_API_URL=https://api.trongrid.io
USDT_CONTRACT=TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t
ADDRESS_MIN_POOL_SIZE=50
BLOCKCHAIN_MONITORING_ENABLED=true
JWT_SECRET_KEY=your-secret-key-here

Architecture

• FastAPI with async/await pattern
• PostgreSQL with SQLAlchemy async drivers
• Address Pool Service - FIFO rotation for deposit addresses
• Blockchain Monitor - TronGrid API integration for transaction tracking
• Admin API - Pool management and transaction oversight

License

MIT License