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IgorMinar/gist:1028816

Forked from pmenglund/gist:1028805
Created June 16, 2011 07:09
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gistfile1.html
<html>
<head>
<script src="http://code.angularjs.org/angular-0.9.16.min.js" ng:autobind></script>
<script>
var SERVICE_URL = "http://blockexplorer.com/q/getdifficulty";
function FormController($xhr) {
this.posint = /^\d+/;
this.fetch = function() {
var self = this;
$xhr('', SERVICE_URL, function(code, response) {
self.difficulty = response;
});
};
this.difficulty = 880000;
this.hashrate = 225000;
this.time = 30;
this.capex = 0;
this.electricity = 0.15;
this.power = 500;
this.rate = 20;
this.btcperblock = 50;
this.hashtime = function() { return Math.round(this.difficulty * Math.pow(2, 32) / (this.hashrate * 1000))/(3600*24) };
this.opex = function() { return this.time*24 * this.electricity * this.power / 1000 };
this.income = function() { return Math.round(this.rate * this.btcperblock * this.time / this.hashtime()); };
}
</script>
</head>
<body ng:controller="FormController">
<table>
<tr>
<td>Difficulty:</td>
<td><input type="text" size="8" name="difficulty" ng:required ng:validate="regexp:posint"/></td>
<td><button ng:click="fetch()">Fetch</button></td>
</tr>
<tr>
<td>Hash rate:</td>
<td><input type="text" size="8" name="hashrate" /></td>
<td>khash/s</td>
</tr>
<tr>
<td>Time frame:</td>
<td><input type="text" size="8" name="time" /></td>
<td>days</td>
</tr>
<tr>
<td>Cost of hardware:</td>
<td><input type="text" size="8" name="capex" /></td>
<td>USD</td>
</tr>
<tr>
<td>Cost of electricity:</td>
<td><input type="text" size="8" name="electricity" /></td>
<td>USD/kWh</td>
</tr>
<tr>
<td>Power consumption:</td>
<td><input type="text" size="8" name="power" /></td>
<td>W</td>
</tr>
<tr>
<td>Coins generated per block:</td>
<td><input type="text" size="8" name="btcperblock" /></td>
<td>BTC/block</td>
</tr>
<tr>
<td>Exchange rate:</td>
<td><input type="text" size="8" name="rate" /></td>
<td>USD/BTC</td>
</tr>
<tr>
<td>Operational cost:</td>
<td>{{opex()}}</td>
<td>USD/{{time}} days</td>
</tr>
<tr>
<td>Hash time:</td>
<td>{{hashtime()}}</td>
<td>days</td>
</tr>
<tr>
<td>Income:</td>
<td>{{income()}}</td>
<td>USD</td>
</tr>
<tr>
<td>Profit:</td>
<td>{{income() - opex() - capex}}</td>
<td>USD/{{time}} days</td>
</tr>
</table>
</body>
</html>
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