ethers.js/examples/splitter/index.html

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2016-07-29 11:46:59 +03:00
<html>
<head>
<title>Ethereum Classic Split Tool</title>
<style type="text/css">
body {
background-color: #eee;
font-family: sans-serif;
font-size: 18px;
margin: 0;
}
.centerer {
margin-left: 50%;
}
.centered {
background-color: #fff;
border-left: 1px solid #888;
border-right: 1px solid #888;
box-shadow: 0 0 7px #999;
margin-left: -370px;
padding: 20px;
width: 700px;
}
p {
text-align: justify;
}
th {
text-align: left;
padding: 0 15px 15px 0;
}
td {
padding: 0 15px 15px 0;
}
input[type=text] {
border: 1px solid #555;
font-size: 16px;
padding: 10px;
width: 500px;
}
input[type=password] {
border: 1px solid #555;
font-size: 16px;
padding: 10px;
width: 500px;
}
.submit {
border: 1px solid #555;
box-shadow: 0px 0px 5px #888;
cursor: pointer;
font-size: 16px;
padding: 10px;
text-align: center;
transition: opacity 0.1s linear;
width: 480px;
}
.submit:hover {
border: 1px solid #999;
box-shadow: 0px 0px 5px #aaa;
}
.submit:active {
box-shadow: none;
}
.submit.disable {
box-shadow: none;
opacity: 0.5;
}
.submit.disable:hover {
border: 1px solid #555;
box-shadow: none;
}
.submit.disable:active {
box-shadow: none;
}
</style>
</head>
<body>
<div class="centerer">
<div class="centered">
<h1>Split Ether Classic</h1>
<hr />
<h2>What does this tool do?</h2>
<p>
This tool will take a <i>geth</i> (or crowdsale) JSON wallet, decrypt it and
send all its funds to <a href="http://etherscan.io/address/0x3474627d4f63a678266bc17171d87f8570936622#code">this contract</a>,
which will:
</p>
<ul>
<li>On the ETH branch &mdash; send the funds back to the original address</li>
<li>On the ETC branch &mdash; send the funds to the provided target address (for example, a <a href="https://shapeshift.io">shapeshift</a> deposit address)</li>
</ul>
<br />
<h3>Disclaimer:</h3>
<p>
I threw this together in couple of hours, mainly to split my own ether
and test my <i>ethers-wallet</i> library (which is still missing features
and is itself not ready for production use). Testing has been fairly minimal
beyond trying it on a few wallets. <b>Use this at your own risk.</b>
</p>
<hr />
<h2>Check Current ETC Balance</h2>
<table>
<tr>
<th>ETC Address:</th>
<td><input type="text" id="checkAddress" /></td>
</tr>
<tr>
<td> </td>
<td>
<div id="submitCheck" class="submit disable">Check Classic Ether Balance</div>
</td>
</tr>
</table>
<hr />
<h2>Split ETC/ETH</h2>
<table>
<tr>
<th>JSON Wallet:</th>
<td><input type="file" id="json" /></td>
</tr>
<tr>
<th>Password:</th>
<td><input type="password" id="password" /></td>
</tr>
<tr>
<th>Target ETC Address:</th>
<td><input type="text" id="targetAddress" /></td>
</tr>
<tr>
<td> </td>
<td>
<div id="submitSplit" class="submit disable">Split Classic Ether</div>
</td>
</tr>
</table>
<hr />
<h2>Donations?</h2>
<p>
*shrug*
</p>
<p>
<code>0xb2682160c482eb985ec9f3e364eec0a904c44c23</code>
</p>
</div>
</div>
<script type="text/javascript" src="../../dist/ethers-wallet.js"></script>
<script type="text/javascript" src="./web3.min.js"></script>
<!-- This greatly improves the scrypt PBKDF performance -->
<script type="text/javascript" src="./setImmediate.js"></script>
<script type="text/javascript">
var submitCheck = document.getElementById('submitCheck');
var submitSplit = document.getElementById('submitSplit');
var inputJson = document.getElementById('json');
var inputCheckAddress = document.getElementById('checkAddress')
var inputTargetAddress = document.getElementById('targetAddress')
var inputPassword = document.getElementById('password');
var web3Classic = new Web3(new Web3.providers.HttpProvider('http://homestead-virginia-2.ethers.ws:8545'));
function getWeb3Promise(method) {
var args = Array.prototype.slice.call(arguments, 1);
return new Promise(function(resolve, reject) {
args.push(function(error, result) {
if (error) {
reject(error);
} else {
resolve(result);
}
});
web3Classic.eth[method].apply(web3Classic, args);
});
}
function bigNumberToBN(bigNumber) {
var hexValue = bigNumber.toString(16);
if (hexValue.length % 2) { hexValue = '0' + hexValue; }
return new Wallet.utils.BN(new Wallet.utils.Buffer(hexValue, 'hex'), 16);
}
var contractAddress = '0x3474627d4f63a678266bc17171d87f8570936622';
var contractAbi = JSON.parse('[{"constant":false,"inputs":[{"name":"balance","type":"uint256"}],"name":"claimDonations","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"isClassic","outputs":[{"name":"","type":"bool"}],"type":"function"},{"constant":false,"inputs":[{"name":"classicAddress","type":"address"}],"name":"split","outputs":[],"type":"function"},{"inputs":[],"type":"constructor"}]');
submitCheck.onclick = function() {
if (submitCheck.classList.contains('disable')) { return; }
var address = document.getElementById('checkAddress').value;
try {
address = Wallet.getAddress(address);
} catch (error) {
console.log(error);
alert('invalid address');
return;
}
getWeb3Promise('getBalance', address, 'latest').then(function(balance) {
alert('Balance: ' + web3Classic.fromWei(balance).toString(10) + ' ' + Wallet.etherSymbol);
}, function(error) {
if (error) {
console.log(error);
alert('Faied to get balance');
return;
}
});
console.log('check', address);
}
submitSplit.onclick = function() {
if (submitSplit.classList.contains('disable')) { return; }
function done() {
submitSplit.textContent = 'Split Classic Ether';
inputJson.readOnly = false;
inputPassword.readOnly = false;
inputTargetAddress.readOnly = false;
checkSplit();
}
inputJson.readOnly = true;
inputPassword.readOnly = true;
inputTargetAddress.readOnly = true;
submitSplit.classList.add('disable');
var files = inputJson.files;
if (files.length !== 1) {
alert('No wallet found');
return done();
}
var password = new Wallet.utils.Buffer(inputPassword.value, 'utf8');
var targetAddress = document.getElementById('targetAddress').value;
try {
targetAddress = Wallet.getAddress(targetAddress);
} catch (error) {
console.log(error);
alert('invalid target address');
return done();
}
function processWallet(wallet) {
if (wallet.address === targetAddress) {
alert('Wallet address and target address cannot be the same.');
return done();
}
submitSplit.textContent = 'Decrypted \u2014 Processing (please wait)';
var contract = wallet.getContract(contractAddress, contractAbi);
var data = contract.interface.split(targetAddress).data;
var transaction = {
to: contractAddress,
data: data
};
Promise.all([
getWeb3Promise('getBalance', wallet.address, 'latest'),
getWeb3Promise('getTransactionCount', wallet.address, 'latest'),
getWeb3Promise('getGasPrice'),
getWeb3Promise('estimateGas', transaction)
]).then(function(results) {
var balance = results[0];
var transactionCount = results[1];
var gasPrice = results[2];
var gasEstimate = results[3] + 21000;
transaction.gasPrice = '0x' + gasPrice.toString(16);
transaction.nonce = transactionCount;
transaction.gasLimit = bigNumberToBN(gasEstimate);
var toSend = bigNumberToBN(balance).sub(bigNumberToBN(gasPrice).mul(bigNumberToBN(gasEstimate)));
transaction.value = toSend;
var accept = confirm('Balance: ' + web3Classic.fromWei(balance).toString(10) + ' ' + Wallet.etherSymbol + '. Are you sure you want to split Classic Ether to ' + targetAddress + '?');
if (accept) {
var signedTransaction = wallet.sign(transaction);
function showError(error) {
done();
console.log(error);
alert('Error sending transaction');
}
getWeb3Promise('sendRawTransaction', signedTransaction).then(function(txid) {
if (txid.match(/^0x0+$/)) {
showError(new Error('txid was zero'));
return;
}
done();
console.log('txid:' + txid);
alert('Success \u2014 ' + txid);
}, function(error) {
showError(error);
});
} else {
done();
}
}, function(error) {
done();
console.log(error);
alert('Error: Faied to fetch info');
});
}
var fileReader = new FileReader();
fileReader.onload = function(e) {
var json = e.target.result;
if (Wallet.isCrowdsaleWallet(json)) {
var wallet = Wallet.decryptCrowdsale(json, password);
processWallet(wallet);
} else if (Wallet.isValidWallet(json)) {
Wallet.decrypt(json, password, function(error, wallet, progress) {
if (error) {
done();
console.log(error);
if (error.message === 'invalid password') {
alert('Wrong Password');
} else {
alert('Error Decrypting Wallet');
}
} else if (wallet) {
processWallet(wallet);
} else {
submitSplit.textContent = 'Decrypting \u2014 ' + (parseInt(progress * 100) + '%');
}
});
} else {
alert('unknown walet format');
done();
}
}
fileReader.readAsText(files[0]);
}
inputCheckAddress.oninput = function() {
try {
Wallet.getAddress(inputCheckAddress.value);
submitCheck.classList.remove('disable');
} catch (error) {
submitCheck.classList.add('disable');
}
}
function checkSplit() {
console.log('foo');
try {
Wallet.getAddress(inputTargetAddress.value);
} catch (error) {
console.log(error);
submitSplit.classList.add('disable');
return;
}
if (!inputJson.files || inputJson.files.length !== 1) {
console.log(inputJson);
submitSplit.classList.add('disable');
return;
}
submitSplit.classList.remove('disable');
}
inputTargetAddress.oninput = checkSplit;
inputJson.onchange = checkSplit;
var check
</script>
</body>
</html>