A comprehensive DeFi lending protocol built with Ethereum Vault Connector (EVC) integration, featuring a full-stack implementation with smart contracts and a React frontend interface.
- Collateralized Lending: Deposit ERC20 tokens as collateral and borrow against them
- Health Factor Monitoring: Real-time position health tracking with 80% collateral factor
- EVC Integration: Proper controller management and account status validation
- Liquidation System: Automated liquidation of unhealthy positions with 10% bonus
- Interest Rate Management: Configurable interest rates (default 5% APR)
- Security: ReentrancyGuard protection and comprehensive access controls
- Wallet Integration: Seamless MetaMask connection and management
- Real-time Dashboard: Live updates of balances, deposits, borrows, and health factors
- Interactive UI: User-friendly interface for all vault operations
- Transaction Management: Automatic token approvals and transaction confirmations
- Health Visualization: Color-coded health factor indicators (healthy/warning/danger)
- CustomVault.sol: Main vault contract with lending/borrowing logic
- MockToken.sol: ERC20 token for testing and demonstration
- MockEVC.sol: Mock Ethereum Vault Connector for development
- React 18: Modern React with hooks and functional components
- Ethers.js v6: Latest Web3 integration library
- CSS3: Custom styling with gradients and animations
- MetaMask: Primary wallet connection method
- Node.js (v16 or higher)
- npm or yarn
- MetaMask browser extension
- Git
git clone https://github.com/lijnati/DeFi-lending-protocol.git
cd DeFi-lending-protocol# Install smart contract dependencies
npm install
# Install frontend dependencies
cd frontend
npm install
cd ..Create a .env file in the root directory:
SEPOLIA_URL=https://sepolia.infura.io/v3/YOUR_INFURA_PROJECT_ID
PRIVATE_KEY=your_private_key_herenpm run compilenpm run testLocal Deployment:
npm run deploySepolia Testnet Deployment:
npm run deploy:sepolia