Aave Liquidation MCP Server

/** * Test script to verify we're reading REAL on-chain data from Aave V3 * This connects to Ethereum mainnet and fetches actual protocol data */ import { ethers } from 'ethers'; import dotenv from 'dotenv'; // Load environment variables dotenv.config(); // Using environment variable with fallback to public RPC endpoint const PUBLIC_RPC = process.env.ETHEREUM_RPC_URL || 'https://eth.llamarpc.com'; // Real Aave V3 Pool contract on Ethereum mainnet const AAVE_V3_POOL = '0x87870Bca3F3fD6335C3F4ce8392D69350B4fA4E2'; // Minimal ABI to test const POOL_ABI = [ 'function getReservesList() external view returns (address[])', ]; async function testRealData() { console.log('🔍 Testing connection to REAL Aave V3 on Ethereum Mainnet...\n'); try { // Connect to Ethereum mainnet const provider = new ethers.JsonRpcProvider(PUBLIC_RPC); console.log('✅ Connected to Ethereum mainnet'); // Get current block number (proves we're connected to real chain) const blockNumber = await provider.getBlockNumber(); console.log(`📦 Current block number: ${blockNumber.toLocaleString()}`); console.log(` (You can verify this on https://etherscan.io/)\n`); // Connect to REAL Aave V3 Pool contract const poolContract = new ethers.Contract(AAVE_V3_POOL, POOL_ABI, provider); console.log('✅ Connected to Aave V3 Pool contract'); console.log(` Address: ${AAVE_V3_POOL}`); console.log(` Verify on: https://etherscan.io/address/${AAVE_V3_POOL}\n`); // Fetch REAL list of reserves from the actual Aave protocol console.log('🔄 Fetching real reserve list from Aave V3...'); const reserves = await poolContract.getReservesList(); console.log(`\n✅ SUCCESS! Retrieved ${reserves.length} REAL assets from Aave V3:\n`); // Show first 10 assets with links to verify on Etherscan console.log('First 10 assets (verify these are real on Etherscan):'); reserves.slice(0, 10).forEach((address: string, index: number) => { console.log(` ${index + 1}. ${address}`); console.log(` https://etherscan.io/token/${address}`); }); console.log(`\n... and ${reserves.length - 10} more assets`); console.log('\n' + '='.repeat(70)); console.log('✅ VERIFIED: This MCP server reads REAL on-chain data!'); console.log('='.repeat(70)); console.log('\nThis is NOT simulated data. Every call queries actual Aave V3 contracts'); console.log('deployed on Ethereum mainnet. You can verify every address on Etherscan.'); console.log('\nThe data is as real as it gets - directly from the blockchain! 🎉'); } catch (error: any) { console.error('❌ Error:', error.message); // Enhanced error handling with specific guidance if (error.code === 'NETWORK_ERROR') { console.log('\n🔧 Network Error Details:'); console.log('• RPC endpoint may be rate-limited or unavailable'); console.log('• Try using a different public RPC or get a free API key'); console.log('• Suggested RPC providers: Alchemy, Infura, QuickNode'); } else if (error.code === 'CALL_EXCEPTION') { console.log('\n🔧 Contract Error Details:'); console.log('• Contract call failed - check contract addresses'); console.log('• Verify Aave V3 Pool address is correct'); console.log(`• Current Pool: ${AAVE_V3_POOL}`); } else if (error.code === 'TIMEOUT') { console.log('\n🔧 Timeout Error Details:'); console.log('• Request timed out - network may be slow'); console.log('• Try again or use a faster RPC endpoint'); } else { console.log('\n🔧 General Error Details:'); console.log('• Unexpected error occurred'); console.log('• Check your internet connection'); console.log('• Verify all dependencies are installed'); } console.log('\n💡 Quick Fix Options:'); console.log('1. Try a different RPC endpoint'); console.log('2. Check if you have internet connectivity'); console.log('3. Verify contract addresses are up to date'); console.log('4. Run: npm install to ensure dependencies are installed'); } } // Run the test testRealData();