MERN Stack Digital Wallet

Overview

This is a MERN (MongoDB, Express, React, Node.js) stack-based digital wallet application that allows users to perform various financial transactions, manage their wallets, and track their spending.

Key Features:

• User Authentication: Secure registration and login functionality.
• Email Verification: Email-based verification during registration using the Resend API.
• Forgot Password: Secure password recovery using email verification via the Resend API.
• Payment Processing: Integration with PayPal API for seamless transaction handling.
• Transaction History: A detailed record of all user transactions.
• Responsive Design: Fully responsive frontend for optimal user experience across devices.

Setup Instructions

Follow these steps to set up the application on your local machine:

Prerequisites:

• Node.js and npm installed
• MongoDB instance running
• PayPal developer account for API credentials
• Resend API account for email services

Steps:

1. Clone the Repository:

git clone <repository-url>
cd <repository-folder>

2. Install Dependencies:

Navigate to both the backend and frontend directories to install the required dependencies:

# For Backend
cd backend
npm install

# For Frontend
cd ../frontend
npm install

3. Configure Environment Variables:

Update the .env file in the backend directory with the following values:

MONGO_URL=<your-mongodb-connection-string>
PORT=<backend-port-number>
JWT_SECRET=<your-jwt-secret>
RESEND_API_KEY=<your-resend-api-key>
CLIENT_URL=<frontend-url>
PAYPAL_CLIENT_ID=<your-paypal-client-id>
PAYPAL_CLIENT_SECRET=<your-paypal-client-secret>

4. Start the Application:

Backend:

cd backend
npm start

Frontend:

cd frontend
npm run dev

5. Access the Application:

Open your browser and navigate to http://localhost:<frontend-port>.

Additional Notes:

Testing:

Basic unit and integration tests are included. Run tests using:

npm test

Contributions:

Contributions are welcome. Submit a pull request with your changes.