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

Clone the repository
Install dependencies: npm install
Copy .env.example to .env and fill in your API keys
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