connect.js

#!/usr/bin/env node
/**
 * Connect to Quantova and read chain state (qweb3.js).
 *
 * Run:
 *   export QUANTOVA_RPC=http://127.0.0.1:9933   // or https://testnet.quantova.io
 *   node connect.js
 */
'use strict';
const { rpc, num, toQtov, banner } = require('./_common');

const ADDRESS = 'Qf2t7p9C5Im4waDJUgrrMqVt3Hs8=';

async function main() {
  banner('Quantova: connect and read (qweb3.js)');
  const block = num(await rpc('q_blockNumber'));
  console.log(`Connected. Current block: ${block}`);

  const rv = await rpc('state_getRuntimeVersion');
  console.log(`Runtime: ${rv.specName} v${rv.specVersion} (tx v${rv.transactionVersion})`);

  const bal = await rpc('q_getBalance', [ADDRESS]);
  console.log(`Balance of ${ADDRESS}: ${toQtov(bal)} QTOV`);
}
main().catch((e) => { console.error('error:', e.message); process.exit(1); });