EVM speed test

by Wuzhong Zhu

HTML

<script src="https://cdn.jsdelivr.net/npm/web3@latest/dist/web3.min.js"></script>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <script src="https://cdn.jsdelivr.net/npm/web3@latest/dist/web3.min.js"></script>
</head>
<body>
    <div id="wallet">
        <h2> wallet </h2>
        <input type="text" id="walletPrivateKey" placeholder="private key of your wallet"/></br>
        <input type="text" id="walletPublicKey" placeholder="public key of your wallet"/></br>
        <p>Transaction value (default value is 0.1 ether + gas fee):</p>
        <input type="text" id="transValue" value="0.1" ></br>
    </div>

    <div id="endpoint1">
        <h2> endpoint 1: </h2>
        <input type="text" id="wsURL1" placeholder="web socket endpoint address"/></br>
    </div>

    <div id="endpoint2">
        <h2> endpoint 2: </h2>
        <input type="text" id="wsURL2" placeholder="web socket endpoint address"/></br>
    </div>
    <h2> *************** </h2>
    <button type="button" onClick="run();">start</button>
    <div id="info">
    </div>
</body>
</html>

JavaScript

var walletPrivateKey
var walletPublicKey
var transValue

var wsURL1
var web3_1
var subscribe_1
var timer_1

var wsURL2
var web3_2
var subscribe_2
var timer_2

var node1IsReady
var node2IsReady
var pitch_time
var catch_time
var pitcher

//make sure a missed transaction won't 
var endedTrxHistory = []

function run(){
    init()
    updateInfo("Program started")
}

function pitch(){
    var web3_pitcher
    updateInfo("***************")
    updateInfo(pitcher + " is the sender now")
    if(pitcher == "node 1")
        web3_pitcher = web3_1
    else
        web3_pitcher = web3_2
    node1IsReady = false
    node2IsReady = false
    pitch_time = new Date();
    web3_pitcher.eth.sendTransaction({
        from: walletPublicKey,
        to: walletPublicKey,
        value: transValue,
        gas:"21000"
    }).on('sent', function(payload){
    })
    .on('sending', function(payload){
        console.log("sending")
        updateInfo( pitcher + " sent the transaction")
    })
    .on('transactionHash', function(hash){
        console.log("in tx: " + hash)
    })
    .on('receipt', function(receipt){
        updateInfo("transaction finalised")
        endedTrxHistory.push(receipt.transactionHash)
        console.log(endedTrxHistory)
        if (!node1IsReady)
            updateInfo("node 1 misses")
        if (!node2IsReady)
            updateInfo("node 2 misses")
        if(pitcher == "node 1")
            pitcher = "node 2"
        else
            pitcher = "node 1"
        pitch()
    })
    .on('error',function(error){ 
      console.log(error)
    });
}

function initNode(node_name, wsURL, web3_name, subscribe_name, timer_name,readyFlag_name){
    window[web3_name] = new Web3(new Web3.providers.WebsocketProvider(wsURL));
    window[web3_name].eth.accounts.wallet.add(walletPrivateKey);
    window[web3_name].eth.getBalance(walletPublicKey).then(function(object){
        updateInfo(node_name + " connected")
        console.log(node_name + " get balance:")
       ...