uni_position.js

const Web3 = require('web3');

// Connect to Ethereum node
const web3 = new Web3(new Web3.providers.HttpProvider('YOUR_API_KEY'));

// Set the pool contract address and token address
const poolContractAddress = '';
const tokenAddress = '';

// ABI for ERC20 `balanceOf` function
const balanceOfAbi = {
    "constant": true,
    "inputs": [{"name": "_owner", "type": "address"}],
    "name": "balanceOf",
    "outputs": [{"name": "balance", "type": "uint256"}],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
};

// Create contract object for pool and token contracts
const poolContract = new web3.eth.Contract([balanceOfAbi], poolContractAddress);
const tokenContract = new web3.eth.Contract([balanceOfAbi], tokenAddress);

// Get the balance of tokens locked in the pool contract
tokenContract.methods.balanceOf(poolContract.options.address).call().then((balance) => {
    // Format balance with 18 decimal places
    const formattedBalance = balance / (10 ** 18);
    console.log(`Balance: ${formattedBalance}`);
  });