new block listener for 0.9.6

BlockListener.ts

import { NetworkType, RepositoryFactoryHttp } from 'symbol-sdk';

const apiEndpoint = 'https://sym-test963.opening-line.jp:3001';
const wsEndpoint = `${apiEndpoint.replace('http', 'ws')}/ws`
const networkType = NetworkType.TEST_NET;
const generationHash = '1DFB2FAA9E7F054168B0C5FCB84F4DEB62CC2B4D317D861F3168D161F54EA78B';

const repositoryFactory = new RepositoryFactoryHttp(apiEndpoint, {
  networkType: networkType,
  generationHash: generationHash,
  websocketUrl: wsEndpoint,
});

const listener = repositoryFactory.createListener();

listener.open().then(() => {
  listener.newBlock().subscribe(
    (x) => {
      console.log(`---- new block: ${x.height} ----`)
      console.log(x);
    }, (err) => {
      console.error(err);
    }
  )
});