git.delta.rocks / unique-network / refs/commits / e67e67c16ff0

1const { ApiPromise, WsProvider } = require('@polkadot/api');23const main = async () => {4  const wsEndpoint = 'ws://127.0.0.1:9944'5  const api = new ApiPromise({provider: new WsProvider(wsEndpoint)});6  await api.isReady;78  const head = (await api.rpc.chain.getHeader()).number.toNumber();9  if(head < 1) throw Error('No block #1');1011  await api.disconnect();12}1314main().then(() => process.exit(0)).catch(e => {15  console.error(e);16  process.exit(1);17});