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@44uk /index.html
Last active Jun 5, 2017

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[NEM] PrivateKey -> PublicKey, Address Converter // source https://jsbin.com/zifipel
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>[NEM] PrivateKey -> PublicKey, Address Converter</title>
<style>
h1 {
font-size: 0.95rem;
}
p {
font-size: 0.90rem;
}
label {
display: block;
margin: 1rem auto;
}
label > span {
font-size: 0.9rem;
}
input[type="text"] {
width: 100%;
padding: 0.5rem;
border-radius: 4px;
border: 1px solid #ccc;
font-family: mono-space;
}
input[readonly] {
background-color: #f6f6f6;
}
</style>
</head>
<body>
<h1>[NEM] PrivateKey -> PublicKey, Address Converter</h1>
<label>
<span>Testnet?</span>
<input id="testnet" type="checkbox" checked>
</label>
<label>
<span>PrivateKey</span><br>
<input id="privateKey" type="text" placeholder="privateKey">
</label>
<p><strong>Be careful your back when you input *PrivateKey*.</strong></p>
<hr>
<label>
<span>PublicKey</span><br>
<input id="publicKey" type="text" readonly>
</label>
<label>
<span>Address</span><br>
<input id="address" type="text" readonly>
</label>
<label>
<span>Message</span><br>
<input id="message" type="text" readonly>
</label>
</body>
<script src="https://rawgit.com/QuantumMechanics/NEM-sdk/master/dist/nem-sdk.js"></script>
<script type="text/javascript">
document.addEventListener('DOMContentLoaded' ,function() {
var nem = require("nem-sdk").default;
var isTestnet = document.getElementById('testnet');
var privateKey = document.getElementById('privateKey');
var publicKey = document.getElementById('publicKey');
var address = document.getElementById('address');
var message = document.getElementById('message');
privateKey.addEventListener('change', function(ev){
try {
var kp = nem.crypto.keyPair.create(ev.target.value);
var network = isTestnet.checked ? -104 : 104; // Testnet: -104, Mainnet: 104
publicKey.value = kp.publicKey.toString();
address.value = nem.model.address.toAddress(kp.publicKey.toString(), network);
message.value = 'Success!';
} catch (err) {
publicKey.value = '';
address.value = '';
message.value = err;
}
}, false);
});
</script>
</html>
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