git.delta.rocks / unique-network / refs/commits / 7f5fa2e0f147

1#!/usr/bin/env node23const { ApiPromise, WsProvider } = require('@polkadot/api');45const main = async () => {6  const wsEndpoint = 'ws://127.0.0.1:9944'7  const api = new ApiPromise({provider: new WsProvider(wsEndpoint)});8  await api.isReady;910  const head = (await api.rpc.chain.getHeader()).number.toNumber();11  if(head < 1) throw Error('No block #1');1213  await api.disconnect();14}1516main().then(() => process.exit(0)).catch(e => {17  console.error(e);18  process.exit(1);19});