USDC Yield Aggregator (Sepolia Testnet)

An intelligent DeFi yield aggregator that:

• Fetches yield rates from multiple protocols (Aave, Compound, Gearbox)
• Calculates gas costs and break-even periods
• Executes optimal yield strategies via Brian API
• Supports multiple chains with bridging cost analysis
• Risk categorization (Safe, Moderate, Aggressive)

Features

• Real-time gas cost calculations
• Multi-chain support (Ethereum, Arbitrum, Optimism, Base, Polygon, Scroll)
• Break-even analysis for different deposit amounts
• Risk categorization based on TVL
• Automated execution via Brian AI
• Currently configured for Sepolia testnet

Setup

1. Clone the repository
2. Install dependencies: npm install
3. Copy .env.example to .env and fill in your API keys
4. Run the agent: npm start

Environment Variables

Required in .env:

• BRIAN_API_KEY - Brian AI API key
• OPENAI_API_KEY - OpenAI API key for AI operations
• ETHERSCAN_API_KEY - Etherscan API for gas calculations
• ALCHEMY_API_KEY - Alchemy API for Sepolia interactions
• WALLET_ADDRESS - Your Sepolia testnet wallet address
• AGENT_PRIVATE_KEY - Your Sepolia testnet wallet private key
• SEPOLIA_RPC_URL - Sepolia testnet RPC URL (Alchemy)

Testing

Tests are located in src/tests/ Run tests with: npm test

Security

• No sensitive data is stored in the codebase
• All API keys and private keys must be provided via environment variables
• Uses DeFi Llama's public API and authenticated services (Etherscan, Alchemy)
• Currently configured for Sepolia testnet only - do not use with mainnet keys