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| author | Marek Kotewicz <marek.kotewicz@gmail.com> | 2015-01-06 20:27:43 +0800 |
|---|---|---|
| committer | Marek Kotewicz <marek.kotewicz@gmail.com> | 2015-01-06 20:27:43 +0800 |
| commit | 8c1b26889ae90211e01ba2c364aa5d245d6f232f (patch) | |
| tree | 64975dfa81ce5e0d834f925e4cd4789fa7494f08 /example/balance.html | |
| parent | af9242f4cc382a61bea9142ddbd0cec2e1edf08a (diff) | |
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renamed example/index.html -> example/balance.html
Diffstat (limited to 'example/balance.html')
| -rw-r--r-- | example/balance.html | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/example/balance.html b/example/balance.html new file mode 100644 index 000000000..d0bf094ef --- /dev/null +++ b/example/balance.html @@ -0,0 +1,41 @@ +<!doctype> +<html> + +<head> +<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"> + + var web3 = require('web3'); + web3.setProvider(new web3.providers.AutoProvider()); + + function watchBalance() { + var coinbase = web3.eth.coinbase; + var originalBalance = 0; + + web3.eth.balanceAt(coinbase).then(function (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> +<body> + <h1>coinbase balance</h1> + <button type="button" onClick="watchBalance();">watch balance</button> + <div></div> + <div id="original"></div> + <div id="current"></div> + <div id="diff"></div> +</body> +</html> + |