git.delta.rocks / unique-network / refs/commits / 46304da0336f

1const { ApiPromise, WsProvider } = require('@polkadot/api');1const { ApiPromise, WsProvider } = require('@polkadot/api');
22
3const connect = async () => {3const connect = async () => {
4  const wsEndpoint = 'ws://127.0.0.1:9944'4  const wsEndpoint = 'ws://127.0.0.1:9944';
5  const api = new ApiPromise({provider: new WsProvider(wsEndpoint)});5  const api = new ApiPromise({provider: new WsProvider(wsEndpoint)});
6  await api.isReadyOrError;6  await api.isReadyOrError;
77
8  try {
8  const head = (await api.rpc.chain.getHeader()).number.toNumber();9    const head = (await api.rpc.chain.getHeader()).number.toNumber();
9  await api.disconnect();
10  if(head < 1) throw Error('No block #1');10    if(head < 1) throw Error('No block #1');
1111  } finally {
12    await api.disconnect();
13  }
12}14};
1315
14const sleep = time => {16const sleep = time => {
15    return new Promise(resolve => {17  return new Promise(resolve => {
16        setTimeout(() => resolve(), time);18    setTimeout(() => resolve(), time);
17    });19  });
18}20};
1921
20const main = async () => {22const main = async () => {
21  while(true) {23  while(true) {