Conclusion

const Web3 = require('web3');
const contractAbi = require('./aurora_contract_abi.json');

const web3 = new Web3('https://mainnet.infura.io/v3/YOUR_INFURA_PROJECT_ID');
const contractAddress = '0×1234567890abcdef1234567890abcdef12345678';

const auroraContract = new web3.eth.Contract(contractAbi, contractAddress);

auroraContract. methods.balance0f('0×1234567890abcdef1234567890abcdef12345678').call()
  .then (balance => {
    console.log('AURORA token balance:', balance);
  })
  .catch(error => {
    console.error('Error fetching balance:', error);
  });