Springten Backend

Spring Boot Web3 crypto wallet backend.

Tech Stack

• Spring Boot 3.5.6
• Java 17
• H2/PostgreSQL
• MongoDB
• Redis
• Web3j
• BitcoinJ
• JWT

Features

• JWT authentication
• Multi-blockchain wallet support
• Token operations
• Real-time price data
• Transaction history

Quick Start

1. Clone repository
2. Update application.properties with your API keys
3. Run: mvn spring-boot:run
4. Test: curl http://localhost:8080/api/public/health

Configuration

Set these in application.properties:

• coingecko.api.key
• stripe.secret-key
• web3.ethereum.rpc-url

API Endpoints

POST /api/auth/register
POST /api/auth/login
GET  /api/wallet/balance
POST /api/wallet/create
GET  /api/public/health

Development

mvn test
mvn clean package