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Diffstat (limited to 'cmd/mist/assets/examples/coin.html')
-rw-r--r-- | cmd/mist/assets/examples/coin.html | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/cmd/mist/assets/examples/coin.html b/cmd/mist/assets/examples/coin.html new file mode 100644 index 000000000..71b359834 --- /dev/null +++ b/cmd/mist/assets/examples/coin.html @@ -0,0 +1,147 @@ +<!doctype> +<html> +<title>JevCoin</title> +<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 <code id="address"></code></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> + +<hr> + +<table width="100%" id="table"> + <tr><td style="width:40%;">Address</td><td>Balance</td></tr> + <tbody id="table_body"></tbody> +</table> + +</body> + +<script type="text/javascript"> + var web3 = require('web3'); + var eth = web3.eth; + + web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8545')); + var desc = [{ + "name": "balance(address)", + "type": "function", + "inputs": [{ + "name": "who", + "type": "address" + }], + "constant": true, + "outputs": [{ + "name": "value", + "type": "uint256" + }] + }, { + "name": "send(address,uint256)", + "type": "function", + "inputs": [{ + "name": "to", + "type": "address" + }, { + "name": "value", + "type": "uint256" + }], + "outputs": [] + }, { + "name":"changed", + "type":"event", + "inputs": [ + {"name":"to","type":"address","indexed":true}, + {"name":"from","type":"address","indexed":true}, + ], + }]; + + 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", + }); + localStorage.setItem("address", address); + } + document.querySelector("#address").innerHTML = address.toUpperCase(); + + var contract = web3.eth.contract(address, desc); + contract.changed({from: eth.accounts[0]}).changed(function() { + refresh(); + }); + eth.watch('chain').changed(function() { + refresh(); + }); + + function refresh() { + document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase); + + 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.toUpperCase()+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>"; + } + } + + function transact() { + var to = document.querySelector("#address").value; + + if( to.length == 0 ) { + to = "0x4205b06c2cfa0e30359edcab94543266cb6fa1d3"; + } else { + to = "0x"+to; + } + + var value = parseInt( document.querySelector("#amount").value ); + + contract.send( to, value ); + } + + 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; + } +-!> |