go-ethereum/cmd/mist/assets/examples/coin.html

<!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="contract_addr"></code></h1>
<div>
	<strong>Balance</strong>
	<span id="balance"></strong>
</div>

<div>
	<span>Address:</span>
	<input type="text" id="address" style="width:200px">
	<span>Amount:</span>
	<input type="text" id="amount" style="width:200px">
	<button onclick="transact()">Send</button>
	<span id="message"></span>
</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":"from","type":"address","indexed":true},
			{"name":"amount","type":"uint256","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});
        	localStorage.setItem("address", address);
	}
	document.querySelector("#contract_addr").innerHTML = address;

	var contract = web3.eth.contract(address, desc);
	contract.Changed({from: eth.coinbase}).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+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>";
		}
	}

	function transact() {
		var to = document.querySelector("#address");
		if( to.value.length == 0 ) {
			to = "0x4205b06c2cfa0e30359edcab94543266cb6fa1d3";
		} else {
			if (to.value.substr(0,2) != "0x")
				to.value = "0x"+to.value;
		}

		var value = document.querySelector("#amount");
		var amount = parseInt( value.value );
		console.log("transact: ", to.value, " => ", amount)

		contract.send( to.value, amount );

		to.value = "";
		value.value = "";

		var message = document.querySelector("#message")
		message.innerHTML = "Submitted";
		setTimeout(function() {
			message.innerHTML = "";
		}, 1000);
	}

	refresh();
</script>
</html>

<!--
contract JevCoin {
    function JevCoin()
    {
        balances[msg.sender] = 1000000;
    }
 
    event Changed(address indexed from, uint indexed amount);
    function send(address to, uint value)
    {
        if( balances[msg.sender] < value ) return;
 
        balances[msg.sender] -= value;
        balances[to] += value;
 
        Changed(msg.sender, value);
        Changed(to, value);
    }
 
    function balance(address who) constant returns(uint t)
    {
        t = balances[who];
    }
 
    mapping(address => uint256) balances;
 }
-!>
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`<!doctype>`
			`<html>`
Added whisper interface for xeth, added examples, updated RPC * Added RPC methods for whisper * Added whisper example 2015-01-30 14:25:12 +02:00			`<title>JevCoin</title>`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`<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>`

updated coin 2015-02-11 14:26:44 +02:00			`<h1>JevCoin <code id="contract_addr"></code></h1>`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`<div>`
			`<strong>Balance</strong>`
			`<span id="balance"></strong>`
			`</div>`

			`<div>`
Added eth_logs & fixed issue with manual log filtering * Implemented `eth_logs` * Fixed issue with `filter.Find()` where logs were appended to an incorrect, non-returned slice resulting in no logs found 2015-02-22 14:12:01 +02:00			`<span>Address:</span>`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`<input type="text" id="address" style="width:200px">`
Added eth_logs & fixed issue with manual log filtering * Implemented `eth_logs` * Fixed issue with `filter.Find()` where logs were appended to an incorrect, non-returned slice resulting in no logs found 2015-02-22 14:12:01 +02:00			`<span>Amount:</span>`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`<input type="text" id="amount" style="width:200px">`
			`<button onclick="transact()">Send</button>`
Properly uninstall filters. Mining issue fixed #closes #365 * Added an additional tx state which is used to get the current nonce * Refresh transient state each time a new canonical block is found * Properly uninstall filters. Fixes a possible crash in RPC 2015-02-23 16:43:41 +02:00			`<span id="message"></span>`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`</div>`

Updated coin 2015-02-07 18:04:19 +02:00			`<hr>`

More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`<table width="100%" id="table">`
Updated coin 2015-02-07 18:04:19 +02:00			`<tr><td style="width:40%;">Address</td><td>Balance</td></tr>`
			`<tbody id="table_body"></tbody>`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`</table>`

			`</body>`

			`<script type="text/javascript">`
			`var web3 = require('web3');`
			`var eth = web3.eth;`

Updated coin 2015-02-07 18:04:19 +02:00			`web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8545'));`
			`var desc = [{`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`"name": "balance(address)",`
Filtering 2015-02-05 01:05:47 +02:00			`"type": "function",`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`"inputs": [{`
			`"name": "who",`
			`"type": "address"`
			`}],`
Filtering 2015-02-05 01:05:47 +02:00			`"constant": true,`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`"outputs": [{`
			`"name": "value",`
			`"type": "uint256"`
			`}]`
			`}, {`
			`"name": "send(address,uint256)",`
Filtering 2015-02-05 01:05:47 +02:00			`"type": "function",`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`"inputs": [{`
			`"name": "to",`
			`"type": "address"`
			`}, {`
			`"name": "value",`
			`"type": "uint256"`
			`}],`
			`"outputs": []`
Filtering 2015-02-05 01:05:47 +02:00			`}, {`
Added eth_logs & fixed issue with manual log filtering * Implemented `eth_logs` * Fixed issue with `filter.Find()` where logs were appended to an incorrect, non-returned slice resulting in no logs found 2015-02-22 14:12:01 +02:00			`"name":"Changed",`
Filtering 2015-02-05 01:05:47 +02:00			`"type":"event",`
			`"inputs": [`
Updated coin 2015-02-07 18:04:19 +02:00			`{"name":"from","type":"address","indexed":true},`
updated coin 2015-02-11 14:26:44 +02:00			`{"name":"amount","type":"uint256","indexed":true},`
Filtering 2015-02-05 01:05:47 +02:00			`],`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`}];`

Updated coin 2015-02-07 18:04:19 +02:00			`var address = localStorage.getItem("address");`
			`// deploy if not exist`
			`if (address == null) {`
Added eth_logs & fixed issue with manual log filtering * Implemented `eth_logs` * Fixed issue with `filter.Find()` where logs were appended to an incorrect, non-returned slice resulting in no logs found 2015-02-22 14:12:01 +02:00			var code = "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";
updated coin 2015-02-11 14:26:44 +02:00			`address = web3.eth.transact({data: code});`
Updated coin 2015-02-07 18:04:19 +02:00			`localStorage.setItem("address", address);`
			`}`
Added eth_logs & fixed issue with manual log filtering * Implemented `eth_logs` * Fixed issue with `filter.Find()` where logs were appended to an incorrect, non-returned slice resulting in no logs found 2015-02-22 14:12:01 +02:00			`document.querySelector("#contract_addr").innerHTML = address;`
default values removed 2015-01-30 00:17:43 +02:00
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`var contract = web3.eth.contract(address, desc);`
Added eth_logs & fixed issue with manual log filtering * Implemented `eth_logs` * Fixed issue with `filter.Find()` where logs were appended to an incorrect, non-returned slice resulting in no logs found 2015-02-22 14:12:01 +02:00			`contract.Changed({from: eth.coinbase}).changed(function() {`
Updated coin 2015-02-07 18:04:19 +02:00			`refresh();`
Filtering 2015-02-05 01:05:47 +02:00			`});`
Fixed issue with Storage() * Storage() returned encoded values. They are now decode prior to hexing * Removed old code from state object * Updated coin 2015-01-30 00:58:43 +02:00
Updated coin 2015-02-07 18:04:19 +02:00			`function refresh() {`
			`document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase);`
Fixed issue with Storage() * Storage() returned encoded values. They are now decode prior to hexing * Removed old code from state object * Updated coin 2015-01-30 00:58:43 +02:00
Updated coin 2015-02-07 18:04:19 +02:00			`var table = document.querySelector("#table_body");`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`table.innerHTML = ""; // clear`

			`var storage = eth.storageAt(address);`
Updated coin 2015-02-07 18:04:19 +02:00			`table.innerHTML = "";`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`for( var item in storage ) {`
Added eth_logs & fixed issue with manual log filtering * Implemented `eth_logs` * Fixed issue with `filter.Find()` where logs were appended to an incorrect, non-returned slice resulting in no logs found 2015-02-22 14:12:01 +02:00			`table.innerHTML += "<tr><td>"+item+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>";`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`}`
			`}`

			`function transact() {`
Properly uninstall filters. Mining issue fixed #closes #365 * Added an additional tx state which is used to get the current nonce * Refresh transient state each time a new canonical block is found * Properly uninstall filters. Fixes a possible crash in RPC 2015-02-23 16:43:41 +02:00			`var to = document.querySelector("#address");`
			`if( to.value.length == 0 ) {`
Updated coin 2015-02-07 18:04:19 +02:00			`to = "0x4205b06c2cfa0e30359edcab94543266cb6fa1d3";`
			`} else {`
Properly uninstall filters. Mining issue fixed #closes #365 * Added an additional tx state which is used to get the current nonce * Refresh transient state each time a new canonical block is found * Properly uninstall filters. Fixes a possible crash in RPC 2015-02-23 16:43:41 +02:00			`if (to.value.substr(0,2) != "0x")`
			`to.value = "0x"+to.value;`
Updated coin 2015-02-07 18:04:19 +02:00			`}`
default values removed 2015-01-30 00:17:43 +02:00
Properly uninstall filters. Mining issue fixed #closes #365 * Added an additional tx state which is used to get the current nonce * Refresh transient state each time a new canonical block is found * Properly uninstall filters. Fixes a possible crash in RPC 2015-02-23 16:43:41 +02:00			`var value = document.querySelector("#amount");`
			`var amount = parseInt( value.value );`
			`console.log("transact: ", to.value, " => ", amount)`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00
Properly uninstall filters. Mining issue fixed #closes #365 * Added an additional tx state which is used to get the current nonce * Refresh transient state each time a new canonical block is found * Properly uninstall filters. Fixes a possible crash in RPC 2015-02-23 16:43:41 +02:00			`contract.send( to.value, amount );`

			`to.value = "";`
			`value.value = "";`

			`var message = document.querySelector("#message")`
			`message.innerHTML = "Submitted";`
			`setTimeout(function() {`
			`message.innerHTML = "";`
			`}, 1000);`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`}`

Updated coin 2015-02-07 18:04:19 +02:00			`refresh();`
More dapp samples * Info DApp, coin DApp * Additional rpc methods 2015-01-29 21:39:26 +02:00			`</script>`
			`</html>`

Updated coin 2015-02-07 18:04:19 +02:00			`<!--`
			`contract JevCoin {`
			`function JevCoin()`
			`{`
			`balances[msg.sender] = 1000000;`
			`}`

Added eth_logs & fixed issue with manual log filtering * Implemented `eth_logs` * Fixed issue with `filter.Find()` where logs were appended to an incorrect, non-returned slice resulting in no logs found 2015-02-22 14:12:01 +02:00			`event Changed(address indexed from, uint indexed amount);`
Updated coin 2015-02-07 18:04:19 +02:00			`function send(address to, uint value)`
			`{`
			`if( balances[msg.sender] < value ) return;`

			`balances[msg.sender] -= value;`
			`balances[to] += value;`

Added eth_logs & fixed issue with manual log filtering * Implemented `eth_logs` * Fixed issue with `filter.Find()` where logs were appended to an incorrect, non-returned slice resulting in no logs found 2015-02-22 14:12:01 +02:00			`Changed(msg.sender, value);`
			`Changed(to, value);`
Updated coin 2015-02-07 18:04:19 +02:00			`}`

			`function balance(address who) constant returns(uint t)`
			`{`
			`t = balances[who];`
			`}`

			`mapping(address => uint256) balances;`
			`}`
			`-!>`