tezos.js

import { InMemorySigner } from '@taquito/signer';
import { TezosToolkit } from '@taquito/taquito';

async function main() {
  const tezos = new TezosToolkit('https://mainnet.api.tez.ie');
  tezos.setProvider({
    signer: InMemorySigner.fromFundraiser(
      'hello',
      'there',
      [
        'cart',
        'will',
        'page',
        'bench',
        'notice',
        'leisure',
        'penalty',
        'medal',
        'define',
        'odor',
        'ride',
        'devote',
        'cannon',
        'setup',
        'rescue',
      ].join(' ')
    ),
  });

  const contract = await tezos.contract.at(
    'KT1LN4LPSqTMS7Sd2CJw4bbDGRkMv2t68Fy9'
  );

  try {
    const result = await contract.views
      .getBalance('tz1QGZ1paPTpQpAK2B3sLr9cVkyRVrnxAaJt')
      .read();
    console.log(result);
  } catch (e) {
    console.log(e);
  }
}
main();