Payment application End-to-End

A comprehensive digital payment solution built with modern technologies, allowing users to send money, manage wallets, and track transactions with a simulated banking API.

🚀 Tech Stack

• Monorepo: Organizing multiple projects in a single repository for seamless integration and code sharing.
• Frontend: Next.js, TypeScript
  • Merchand App: For merchant functionalities.
  • User App: For user functionalities.
• Backend: Express.js with PostgreSQL
  • Bank Webhook: Simulated banking API.
• Libraries:
  • bcryptjs: For securely hashing passwords.

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📝 Features Overview

User App

1. Wallet Management:

   • Users can add money to their wallet.
   • Wallet functionality: Allows users to easily manage their funds for future transactions.

2. Money Transfer:

   • Users can send money to other users securely within the application.

3. Transaction Tracking:

   • Users can track their transaction history, showing both wallet expenses and transfer details.
   • Details include payment source (wallet or direct transfers), helping users manage their spending effectively.

Bank Webhook (Simulated Banking API)

1. Payment Status Verification:

   • Check Status: Simulates checking the payment status (pending, processing, or success).
   • Update Status: Marks payments as successful or remains pending based on external bank processing simulation.

2. Payment Processing Simulation:

   • Emulates a real banking API's webhook functionality for the application, providing real-time updates on the payment status.

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