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web3.js
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improved example

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Marek Kotewicz 2014-11-13 19:28:58 +01:00
parent b1428555d1
commit 8aaec1d98f
1 changed files with 22 additions and 18 deletions
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example/index.html
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@ -4,34 +4,38 @@
<head> <head>
<script type="text/javascript" src="js/es6-promise/promise.min.js"></script> <script type="text/javascript" src="js/es6-promise/promise.min.js"></script>
<script type="text/javascript" src="../dist/ethereum.js"></script> <script type="text/javascript" src="../dist/ethereum.js"></script>
<script type="text/javascript"> <script type="text/javascript">
if (window.Promise === undefined) {
window.Promise = ES6Promise.Promise;
}
var web3 = require('web3'); var web3 = require('web3');
web3.setProvider(new web3.providers.AutoProvider()); web3.setProvider(new web3.providers.AutoProvider());
function testSnippet() { function watchBalance() {
web3.eth.watch({altered: web3.eth.coinbase}).changed(function() { var coinbase = web3.eth.coinbase;
web3.eth.balanceAt(web3.eth.coinbase).then(function (balance) { var originalBalance = 0;
console.log(parseInt(balance,16));
console.log(typeof balance); web3.eth.balanceAt(coinbase).then(function (balance) {
document.getElementById("result").innerText = +balance; originalBalance = web3.toDecimal(balance);
document.getElementById('original').innerText = 'original balance: ' + originalBalance + ' watching...';
});
web3.eth.watch({altered: coinbase}).changed(function() {
web3.eth.balanceAt(coinbase).then(function (balance) {
var currentBalance = web3.toDecimal(balance);
document.getElementById("current").innerText = 'current: ' + currentBalance;
document.getElementById("diff").innerText = 'diff: ' + (currentBalance - originalBalance);
}); });
}); });
} }
</script>
</head>
</script>
</head>
<body> <body>
<h1>std::name_reg</h1> <h1>balance</h1>
<input type="text" id="name"></input> <button type="button" onClick="watchBalance();">watch balance</button>
<button type="button" onClick="testSnippet();">test snippet</button>
<div></div> <div></div>
result: <div id="original"></div>
<div id="result"></div> <div id="current"></div>
<div id="diff"></div>
</body> </body>
</html> </html>