OurWallet Management System

A secure wallet management system built with NestJS and ethers.js.

Features

• Secure wallet creation and management
• Private key encryption
• Transaction signing
• Balance checking
• User management

Prerequisites

• Node.js (v14 or later)
• npm or yarn

Installation

1. Clone the repository:

git clone <repository-url>
cd wallet-management

2. Install dependencies:

npm install

3. Configure environment variables:
   • decrypt env.enc to > .env
   • Update the values in .env with your own:
     • Generate secure encryption keys
     • Add your Infura project ID or other RPC URL

Running the Application

Development mode:

npm run dev

Production mode:

npm run build
npm start

API Endpoints

Wallet Endpoints

• POST /wallet/create - Create a new wallet
• POST /wallet/sign - Sign a transaction
• GET /wallet/balance/:address - Get wallet balance

User Endpoints

• POST /user/create - Create a new user
• GET /user/:id - Get user details
• GET /user/:id/balance - Get user's wallet balance

Security Considerations

• Private keys are encrypted using AES-256-CBC
• Encryption keys are stored in environment variables
• In production, use a secure key management service
• Implement proper authentication and authorization
• Use HTTPS in production

Development

• Run tests: npm test
• Lint code: npm run lint
• Build: npm run build

License

MIT