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Updated coin

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pull/294/head
obscuren 10 years ago
parent c8147fb7b9
commit 16a04e64f2
1 changed files with 66 additions and 30 deletions
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  1. 96
      cmd/mist/assets/examples/coin.html

96
cmd/mist/assets/examples/coin.html
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@ -7,7 +7,7 @@
</head> </head>
<body> <body>
<h1>JevCoin</h1> <h1>JevCoin <code id="address"></code></h1>
<div> <div>
<strong>Balance</strong> <strong>Balance</strong>
<span id="balance"></strong> <span id="balance"></strong>
@ -20,7 +20,11 @@
<button onclick="transact()">Send</button> <button onclick="transact()">Send</button>
</div> </div>
<hr>
<table width="100%" id="table"> <table width="100%" id="table">
<tr><td style="width:40%;">Address</td><td>Balance</td></tr>
<tbody id="table_body"></tbody>
</table> </table>
</body> </body>
@ -29,9 +33,8 @@
var web3 = require('web3'); var web3 = require('web3');
var eth = web3.eth; var eth = web3.eth;
web3.setProvider(new web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8545'));
web3.providers.HttpSyncProvider('http://localhost:8545')); var desc = [{
var desc = [{
"name": "balance(address)", "name": "balance(address)",
"type": "function", "type": "function",
"inputs": [{ "inputs": [{
@ -55,57 +58,90 @@
}], }],
"outputs": [] "outputs": []
}, { }, {
"name":"Changed", "name":"changed",
"type":"event", "type":"event",
"inputs": [ "inputs": [
{"name":"to","type":"address","indexed":true}, {"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"); var address = localStorage.getItem("address");
if( address.length == 0 ) { // deploy if not exist
var code = "0x60056011565b60b88060356000396000f35b64e8d4a51000600033600160a060020a0316600052602052604060002081905550560060e060020a6000350480637bb98a68146028578063d0679d34146034578063e3d670d714604657005b602e60b3565b60006000f35b60406004356024356059565b60006000f35b604f6004356091565b8060005260206000f35b8060005281600160a060020a03167fb52dda022b6c1a1f40905a85f257f689aa5d69d850e49cf939d688fbe5af594660206000a25050565b6000600082600160a060020a03166000526020526040600020549050919050565b5b60008156"; if (address == null) {
address = web3.eth.transact({ var code = "0x60056013565b610132806100356000396000f35b620f4240600033600160a060020a0316600052602052604060002081905550560060e060020a6000350480637bb98a681461002b578063d0679d3414610039578063e3d670d71461004d57005b61003361012d565b60006000f35b610047600435602435610062565b60006000f35b61005860043561010b565b8060005260206000f35b80600033600160a060020a0316600052602052604060002054106100855761008a565b610107565b80600033600160a060020a0316600052602052604060002090815403908190555080600083600160a060020a0316600052602052604060002090815401908190555081600160a060020a031633600160a060020a03167f1863989b4bb7c5c3941722099764574df7a459f9f9c6b6cdca35ddc9731792b860006000a35b5050565b6000600082600160a060020a03166000526020526040600020549050919050565b5b60008156";
data: code, address = web3.eth.transact({
gasPrice: "1000000000000000", data: code,
gas: "10000", 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); var contract = web3.eth.contract(address, desc);
contract.Changed({to: "0xaa"}).changed(function(e) { contract.changed({from: eth.accounts[0]}).changed(function() {
console.log("e: " + JSON.stringify(e)); refresh();
});
eth.watch('chain').changed(function() {
refresh();
}); });
contract.send( "0xaa", 10000 );
function reflesh() {
document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase);
var table = document.querySelector("#table"); function refresh() {
document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase);
var table = document.querySelector("#table_body");
table.innerHTML = ""; // clear table.innerHTML = ""; // clear
var storage = eth.storageAt(address); var storage = eth.storageAt(address);
table.innerHTML = "";
for( var item in storage ) { 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() { function transact() {
var to = document.querySelector("#address").value; var to = document.querySelector("#address").value;
if( to.length == 0 ) {
to = "0x4205b06c2cfa0e30359edcab94543266cb6fa1d3"; if( to.length == 0 ) {
} else { to = "0x4205b06c2cfa0e30359edcab94543266cb6fa1d3";
to = "0x"+to; } else {
} to = "0x"+to;
}
var value = parseInt( document.querySelector("#amount").value ); var value = parseInt( document.querySelector("#amount").value );
contract.transact({gas: "10000", gasprice: eth.gasPrice}).send( to, value ); contract.send( to, value );
} }
reflesh(); refresh();
</script> </script>
</html> </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;
}
-!>

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