Official Go implementation of the Ethereum protocol
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go-ethereum/cmd/mist/assets/examples/coin.html

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<!doctype>
<html>
<head>
<script type="text/javascript" src="../ext/bignumber.min.js"></script>
<script type="text/javascript" src="../ext/ethereum.js/dist/ethereum.js"></script>
</head>
<body>
<h1>JevCoin</h1>
<div>
<strong>Balance</strong>
<span id="balance"></strong>
</div>
<div>
<span class="amount">Amount:</span>
<input type="text" id="address" style="width:200px">
<input type="text" id="amount" style="width:200px">
<button onclick="transact()">Send</button>
</div>
<table width="100%" id="table">
</table>
</body>
<script type="text/javascript">
var web3 = require('web3');
var eth = web3.eth;
web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8080'));
var desc = [{
"name": "balance(address)",
"inputs": [{
"name": "who",
"type": "address"
}],
"const": true,
"outputs": [{
"name": "value",
"type": "uint256"
}]
}, {
"name": "send(address,uint256)",
"inputs": [{
"name": "to",
"type": "address"
}, {
"name": "value",
"type": "uint256"
}],
"outputs": []
}];
var code = "0x60056011565b60ae8060356000396000f35b64174876e800600033600160a060020a031660005260205260406000208190555056006001600060e060020a600035048063d0679d34146022578063e3d670d714603457005b602e6004356024356047565b60006000f35b603d600435608d565b8060005260206000f35b80600083600160a060020a0316600052602052604060002090815401908190555080600033600160a060020a031660005260205260406000209081540390819055505050565b6000600082600160a060020a0316600052602052604060002054905091905056";
var address = web3.eth.transact({
data: code,
gasprice: "1000000000000000",
gas: "10000",
});
var contract = web3.eth.contract(address, desc);
document.querySelector("#balance").innerHTML = contract.call().balance(eth.coinbase);
function reflesh() {
var table = document.querySelector("#table");
table.innerHTML = ""; // clear
var storage = eth.storageAt(address);
for( var item in storage ) {
table.innerHTML += "<tr><td>"+item+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>";
}
}
function transact() {
//var to = "0x"+document.querySelector("#address").value;
var to = "0x4205b06c2cfa0e30359edcab94543266cb6fa1d3";
console.log("to "+to);
var value = parseInt( document.querySelector("#amount").value );
console.log("value "+value);
contract.transact({gas: "10000", gasPrice: "1000000000000"}).send( to, value );
}
reflesh();
</script>
</html>