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Updated coin

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obscuren 2015-02-07 17:04:19 +01:00
parent c8147fb7b9
commit 16a04e64f2
1 changed files with 66 additions and 30 deletions
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70
cmd/mist/assets/examples/coin.html
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@ -7,7 +7,7 @@
</head>
<body>
<h1>JevCoin</h1>
<h1>JevCoin <code id="address"></code></h1>
<div>
<strong>Balance</strong>
<span id="balance"></strong>
@ -20,7 +20,11 @@
<button onclick="transact()">Send</button>
</div>
<hr>
<table width="100%" id="table">
<tr><td style="width:40%;">Address</td><td>Balance</td></tr>
<tbody id="table_body"></tbody>
</table>
</body>
@ -29,8 +33,7 @@
var web3 = require('web3');
var eth = web3.eth;
web3.setProvider(new
web3.providers.HttpSyncProvider('http://localhost:8545'));
web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8545'));
var desc = [{
"name": "balance(address)",
"type": "function",
@ -55,44 +58,51 @@
}],
"outputs": []
}, {
"name":"Changed",
"name":"changed",
"type":"event",
"inputs": [
{"name":"to","type":"address","indexed":true},
{"name":"amount","type":"uint256","indexed":false},
{"name":"from","type":"address","indexed":true},
],
}];
var address = web3.db.get("jevcoin", "address");
if( address.length == 0 ) {
var code = "0x60056011565b60b88060356000396000f35b64e8d4a51000600033600160a060020a0316600052602052604060002081905550560060e060020a6000350480637bb98a68146028578063d0679d34146034578063e3d670d714604657005b602e60b3565b60006000f35b60406004356024356059565b60006000f35b604f6004356091565b8060005260206000f35b8060005281600160a060020a03167fb52dda022b6c1a1f40905a85f257f689aa5d69d850e49cf939d688fbe5af594660206000a25050565b6000600082600160a060020a03166000526020526040600020549050919050565b5b60008156";
var address = localStorage.getItem("address");
// deploy if not exist
if (address == null) {
var code = "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";
address = web3.eth.transact({
data: code,
gasPrice: "1000000000000000",
gas: "10000",
});
web3.db.put("jevcoin", "address", address);
localStorage.setItem("address", address);
}
document.querySelector("#address").innerHTML = address.toUpperCase();
var contract = web3.eth.contract(address, desc);
contract.Changed({to: "0xaa"}).changed(function(e) {
console.log("e: " + JSON.stringify(e));
contract.changed({from: eth.accounts[0]}).changed(function() {
refresh();
});
contract.send( "0xaa", 10000 );
function reflesh() {
eth.watch('chain').changed(function() {
refresh();
});
function refresh() {
document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase);
var table = document.querySelector("#table");
var table = document.querySelector("#table_body");
table.innerHTML = ""; // clear
var storage = eth.storageAt(address);
table.innerHTML = "";
for( var item in storage ) {
table.innerHTML += "<tr><td>"+item+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>";
table.innerHTML += "<tr><td>"+item.toUpperCase()+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>";
}
}
function transact() {
var to = document.querySelector("#address").value;
if( to.length == 0 ) {
to = "0x4205b06c2cfa0e30359edcab94543266cb6fa1d3";
} else {
@ -101,11 +111,37 @@
var value = parseInt( document.querySelector("#amount").value );
contract.transact({gas: "10000", gasprice: eth.gasPrice}).send( to, value );
contract.send( to, value );
}
reflesh();
refresh();
</script>
</html>
<!--
contract JevCoin {
function JevCoin()
{
balances[msg.sender] = 1000000;
}
event changed(address indexed from, address indexed to);
function send(address to, uint value)
{
if( balances[msg.sender] < value ) return;
balances[msg.sender] -= value;
balances[to] += value;
changed(msg.sender, to);
}
function balance(address who) constant returns(uint t)
{
t = balances[who];
}
mapping(address => uint256) balances;
}
-!>