Decentralized Social Media MVP

A decentralized social media platform built on Ethereum blockchain technology, allowing users to interact using their wallet addresses.

Features

• 🌐 Login using Ethereum wallet (RainbowKit + ethers.js)
• 📝 Create and update user profiles
• 📣 Post short messages (280 characters max)
• 👀 View consolidated feed of all users' posts
• 👍 Like posts
• 💬 Comment on posts

Tech Stack

Frontend

• React.js
• Next.js
• Tailwind CSS
• RainbowKit
• ethers.js

Backend

• NestJS
• TypeScript
• PostgreSQL

Setup Instructions

Prerequisites

• Node.js (v18 or higher)
• PostgreSQL
• Git

Frontend Setup

1. Clone the repository:

git clone [repository-url]
cd frontend

2. Install dependencies:

npm install

3. Copy .env.example to .env and update the values:

cp .env.example .env

4. Run the development server:

npm run dev

Backend Setup

1. Navigate to backend directory:

cd backend

2. Install dependencies:

npm install

3. Copy .env.example to .env and update the values:

cp .env.example .env

4. Run the development server:

npm run start:dev

Usage

1. Connect your Ethereum wallet using RainbowKit
2. Create or update your profile
3. Start posting, liking, and commenting on posts

Database Schema

The application uses PostgreSQL with the following tables:

Users

• wallet_address (Primary Key)
• username
• bio
• profile_pic_url

Posts

• id (Primary Key)
• wallet_address (Foreign Key)
• content
• created_at

Likes

• id (Primary Key)
• post_id (Foreign Key)
• wallet_address (Foreign Key)
• created_at

Comments

• id (Primary Key)
• post_id (Foreign Key)
• wallet_address (Foreign Key)
• content
• created_at

Contributing

1. Fork the repository
2. Create your feature branch
3. Commit your changes
4. Push to the branch
5. Create a new Pull Request

License

This project is licensed under the MIT License - see the LICENSE file for details