TypeError：无法读取未定义的属性（读取“eth”）

Question

const  {web3js, myAccount} = require ('./utils')
const {bytecode} = require ('./contractartifact')

async function deploy() {
    web3js.eth.sendTransaction({
        from: myAccount.address,
        data: bytecode,
        gas: 800

    })
    .on('receipt', console.log)
}

deploy()

错误

C:\Users\giris\getter-setter\deploy.js:9
    web3js.eth.sendTransaction({
           ^

TypeError: Cannot read properties of undefined (reading 'eth')
    at deploy (C:\Users\giris\getter-setter\deploy.js:9:12)
    at Object.<anonymous> (C:\Users\giris\getter-setter\deploy.js:19:1)
    at Module._compile (node:internal/modules/cjs/loader:1101:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1153:10)
    at Module.load (node:internal/modules/cjs/loader:981:32)
    at Function.Module._load (node:internal/modules/cjs/loader:822:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12)
    at node:internal/main/run_main_module:17:47

Answer 1

您的导入不正确：

const {web3js, myAccount} = require ('./utils')

应该是：

const web3js = new Web3(Web3.givenProvider || "ws://localhost:8545");