Smart Contracts

1// Loading Contract ABI for Direct Interaction
2import { ethers } from 'ethers'
3
4// The SDK includes ABIs, but for direct interaction:
5const ERC20_COLLATERAL_POOL_ABI = [
6  "function getTotalPools() view returns (uint256)",
7  "function getPools(uint256 offset, uint256 limit) view returns (tuple[])",
8  "function lend(uint256 poolId, uint256 amount)",
9  "function borrow(uint256 poolId, uint256 amount)",
10  "function repay(uint256 poolId, uint256 amount)",
11  "function collectPool(uint256 poolId)",
12  "function liquidatePool(uint256 poolId)",
13  "event Lent(uint256 indexed poolId, address lender, uint256 amount)",
14  "event Borrowed(uint256 indexed poolId, address borrower, uint256 amount)"
15]
16
17// Create contract instance
18const provider = new ethers.JsonRpcProvider('https://polygon-rpc.com')
19const wallet = new ethers.Wallet(PRIVATE_KEY, provider)
20const pool = new ethers.Contract(POOL_ADDRESS, ERC20_COLLATERAL_POOL_ABI, wallet)
21
22// Direct interaction
23const totalPools = await pool.getTotalPools()
24console.log('Total pools:', totalPools.toString())
25
26// Listen for events
27pool.on('Lent', (poolId, lender, amount) => {
28  console.log(`Pool ${poolId}: ${lender} lent ${ethers.formatEther(amount)}`)
29})

1// Event Monitoring for AI Agents
2// Listen for on-chain events to trigger automated responses
3
4import { ethers } from 'ethers'
5
6const provider = new ethers.WebSocketProvider('wss://polygon-rpc.com')
7const pool = new ethers.Contract(POOL_ADDRESS, ABI, provider)
8
9// Monitor new lending activity
10pool.on('Lent', async (poolId, lender, amount) => {
11  console.log(`[Event] New lend: Pool ${poolId}, Amount: ${ethers.formatEther(amount)}`)
12
13  // Agent can react to events
14  const poolDetails = await pool.getPoolDetails(poolId)
15  if (poolDetails.totalLent >= poolDetails.softCap) {
16    console.log('[Agent] Pool reached soft cap, considering borrowing')
17  }
18})
19
20// Monitor liquidation opportunities
21pool.on('Borrowed', async (poolId, borrower, amount) => {
22  const details = await pool.getPoolDetails(poolId)
23  const healthFactor = Number(details.healthFactor)
24
25  if (healthFactor < 12000) { // Below 120%
26    console.log(`[Agent] Pool ${poolId} health factor low: ${healthFactor/100}%`)
27    console.log('[Agent] Monitoring for liquidation opportunity')
28  }
29})