Solana Content Generator

A full-stack dApp that verifies Solana transactions on-chain, scrapes web content, and uses Gemini AI to generate social media posts (tweets/threads).

Tech Stack

• Backend: Rust (Axum, Solana SDK, Reqwest, Gemini API)
• Frontend: Next.js 16, React 19, Tailwind CSS 4, Solana Wallet Adapter

Getting Started

Prerequisites

• Rust 1.75+
• Node.js 18+
• A Solana wallet (Phantom recommended)
• Gemini API key

Environment Variables

Create backend/.env:

GEMINI_API_KEY=your_gemini_api_key
SOLANA_RPC=https://api.devnet.solana.com
PORT=3001

Running Locally

Backend:

cd backend
cargo run

Frontend:

cd frontend
npm install
npm run dev

The frontend runs on http://localhost:3000 and communicates with the backend at http://localhost:3001.

API Endpoints

Method	Path	Description
POST	/generate	Generate content from transaction + URL
GET	/health	Health check

Generate Endpoint

Request:

{
  "tx_signature": "...",
  "url": "https://example.com/article",
  "content_type": "thread"
}

Response:

{
  "success": true,
  "content": "Generated tweet/thread text..."
}

content_type can be "thread" (default) or "tweet".

Project Structure

solana/
├── backend/
│   └── src/
│       ├── main.rs       # API routes
│       └── services/
│           ├── mod.rs   # Service exports
│           ├── scraper.rs  # URL scraping
│           └── gemini.rs    # AI content generation
└── frontend/
    ├── src/
    │   ├── app/        # Next.js pages
    │   ├── providers/  # Wallet context
    │   └── hooks/      # Custom hooks
    └── package.json

Contributing

1. Fork the repository
2. Create a feature branch (git checkout -b feature/xxx)
3. Commit your changes
4. Push to the branch
5. Open a pull request