Aave Liquidation MCP Server

/** * Demo script to get ETH price from Aave V3 Oracle * This script demonstrates the get_asset_price functionality without shell escaping issues */ import { ethers } from 'ethers'; import dotenv from 'dotenv'; // Load environment variables dotenv.config(); const WETH_ADDRESS = '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2'; const AAVE_V3_ORACLE = '0x54586bE62E3c3580375aE3723C145253060Ca0C2'; const RPC_URL = process.env.ETHEREUM_RPC_URL || 'https://eth.llamarpc.com'; const ORACLE_ABI = [ 'function getAssetPrice(address asset) external view returns (uint256)', ]; async function getETHPrice() { try { console.log('🔍 Fetching ETH price from Aave V3 Oracle...\n'); const provider = new ethers.JsonRpcProvider(RPC_URL); const oracleContract = new ethers.Contract(AAVE_V3_ORACLE, ORACLE_ABI, provider); const priceRaw = await oracleContract.getAssetPrice(WETH_ADDRESS); const priceInUSD = ethers.formatUnits(priceRaw, 8); console.log('💰 Current ETH Price: $' + parseFloat(priceInUSD).toFixed(2) + ' USD'); console.log('📊 Raw oracle data: ' + priceRaw.toString()); console.log('🏦 Data source: Aave V3 Oracle'); console.log('🔗 Oracle contract: ' + AAVE_V3_ORACLE); console.log('🌐 Network: Ethereum Mainnet'); console.log('⏰ Timestamp: ' + new Date().toISOString()); return { price: parseFloat(priceInUSD), raw: priceRaw.toString(), timestamp: new Date().toISOString() }; } catch (error: any) { console.error('❌ Error fetching ETH price:', error.message); if (error.code === 'NETWORK_ERROR') { console.log('💡 Tip: Try using a different RPC endpoint'); console.log(' Get free RPC from: Alchemy, Infura, or QuickNode'); } else if (error.code === 'CALL_EXCEPTION') { console.log('💡 Tip: Contract call failed - check if the oracle contract address is correct'); } throw error; } } // Run if called directly if (import.meta.url === `file://${process.argv[1]}`) { getETHPrice() .then(() => console.log('\n✅ Demo completed successfully!')) .catch(() => process.exit(1)); } export { getETHPrice };