nodejs 监听私有链pending交易并自动miner

前言
nodejs 监听私有链 pending 交易并自动 miner

const Web3 = require('web3')
var web3 = new Web3()
//web3 = new Web3(new Web3.providers.IpcProvider('', ipcProviderWrapper))
const web3Admin = require('./web3admin.js')
web3.setProvider(new web3.providers.HttpProvider('http://localhost:8548'))
web3Admin.extend(web3)

function sleep(millis) {
    return new Promise(function (resolve, reject) {
        setTimeout(function () { resolve(); }, millis);
    });
}

async function main(){
    while(1){
        if(web3.txpool.status['pending']==1){
            console.log("turning off mining", web3.miner.start());
            console.log("isMining?", web3.eth.mining);
        }else{
            console.log("turning off mining", web3.miner.stop());
            console.log("isMining?", web3.eth.mining);
            await sleep(10000);
        }
    }
}

main()