binance-chain javascript-sdk for local node

index.js

const { BncClient, crypto } = require('@binance-chain/javascript-sdk');

(async () => {
  // Start Binance Chain client
  const bnbClient = await new BncClient('http://localhost:8080');
  bnbClient.chooseNetwork('mainnet');
  const privateKey = crypto.getPrivateKeyFromMnemonic(
    'village fiscal december liquid better drink disorder unusual tent ivory cage diesel bike slab tilt spray wife neck oak science beef upper chapter blade'
  );
  await bnbClient.setPrivateKey(privateKey);
  // set chainID manually so initChain doesn't complain
  bnbClient.chainId = "Binance-Chain-Tigris"
  await bnbClient.initChain()

  // override the default transaction broadcast endpoint with the tendermint RPC endpoint on the binance-chain node (port 26658 in kvtool)
  bnbClient.setBroadcastDelegate(async(signedTx) => {
    const signedBz = signedTx.serialize()
    console.log(signedBz)
    const opts = {
      params: {tx: "0x" + signedBz},
      headers: {
        "content-type": "application/json",
      },
    }
    var result
    try {
       result = await bnbClient._httpClient.request(
        "get",
        `http://localhost:26658/broadcast_tx_commit`,
        null,
        opts
      )
    } catch (error) {
      console.log(error)
    }

    return result
  })

  // Check Bnbchain balance
  let bnbAccbalances = await bnbClient.getBalance(
    'bnb1gg3a488t69ueg79lqneqx0h3442x7gtu8drvjz'
  );
  console.log('BnbChain balance:', bnbAccbalances);
  // transfer coins
  const receiver = "bnb1z8ryd66lhc4d9c0mmxx9zyyq4t3cqht9mt0qz3"
  try {
    const res = await bnbClient.transfer(bnbClient.getClientKeyAddress(), receiver, 1.0, "BNB")
    console.log(JSON.stringify(res))
  } catch (error) {
    console.log(error)
  }
})();

package.json

{
  "name": "js-testing",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "@binance-chain/javascript-sdk": "@binance-chain/javascript-sdk"
  }
}