UnhandledPromiseRejectionWarning:错误:无效的json请求

Question

我的deploy.js脚本返回此错误：

"(node:6636) UnhandledPromiseRejectionWarning: Error: invalid json request
    at D:\kickstart\node_modules\truffle-hdwallet-provider\dist\index.js:15:620862
    at e.i.onreadystatechange (D:\kickstart\node_modules\truffle-hdwallet-provider\dist\index.js:15:775522)
    at e.t.dispatchEvent (D:\kickstart\node_modules\truffle-hdwallet-provider\dist\index.js:1:152983)
    at e._setReadyState (D:\kickstart\node_modules\truffle-hdwallet-provider\dist\index.js:15:780284)
    at e._onHttpResponseEnd (D:\kickstart\node_modules\truffle-hdwallet-provider\dist\index.js:15:783369)
    at IncomingMessage.<anonymous> (D:\kickstart\node_modules\truffle-hdwallet-provider\dist\index.js:15:782627)
    at IncomingMessage.emit (events.js:187:15)
    at endReadableNT (_stream_readable.js:1094:12)
    at process._tickCallback (internal/process/next_tick.js:63:19)
(node:6636) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:6636) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code."

我的deploy.js文件是：

const HDWalletProvider = require('truffle-hdwallet-provider');
const Web3 = require('web3');
const compiledFactory = require('./build/CompaignFactory.json')

const provider =  new HDWalletProvider(
  'hat stick simple coyote xxxx only yyyy crush cook zzzzz coconut patient', //Type your memonic
  'https://rinkeby.infura.io/v3/xxxxxxxxxxxxxxxxxxxxxxxxxx'
);
const web3 = new Web3(provider);

const deploy = async () => {
  const accounts = await web3.eth.getAccounts();
  console.log('Attempting to deploy from account', accounts[0]);

  const result = await new web3.eth.Contract(JSON.parse(compiledFactory.interface))
  .deploy({ data: compiledFactory.bytecode })
  .send({ gas: '1000000', from: accounts[0] });

};
deploy();

有什么帮助吗？

Answer 1

我也面临着同样的问题。这是web3中已知的一个错误，它已经在1.0.0-beta.48版本中得到了修复。您可以在这里查看更多详细信息，github链接

解决方案:将web3 npm依赖项更新为1.0.0-beta.48