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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Bitcoin Payment Calculator</title>
<script language="javascript" type="text/javascript" src="http://code.jquery.com/jquery-1.8.1.min.js"></script>
<script src="qr.js"></script>
<script language="javascript" type="text/javascript">
$(function() {
var websocket = new WebSocket("ws://api.blockchain.info:8335/inv");
var exchange = 0;
var total = 0;
var received = 0;
var address = getParameterByName('address');
setupqr();
if (address == "")
window.location = 'index.html?address=1SoLtySab29J2tAdF2x3PosjnwWF37wEY'
$('#address').html(address);
websocket.onopen = function() {
websocket.send('{"op":"addr_sub", "addr":"' + address + '"}');
}
websocket.onmessage = function(e) {
var results = eval('(' + e.data + ')');
var from_address = '';
$.each(results.x.out, function(i, v) {
if (v.addr == address) {
received += v.value / 100000000;
}
});
$.each(results.x.inputs, function(i, v) {
from_address = v.prev_out.addr
if (v.prev_out.addr == address) {
input -= v.prev_out.value / 100000000;
}
});
$('#status').html('Received: ' + received.toString());
if (total <= received) {
$('#status').css('color', 'green');
}
$.get('record_transaction.php',
{
address: from_address,
date: getFormattedDate(),
received: received,
exchange: exchange
}
);
}
$.getJSON('ticker.json', function (data) {
exchange = data.return.last_local.value;
$('#exchange').html(exchange);
updateTotal();
});
$('#owing').keyup(updateTotal);
$('#owing').focus();
function updateTotal() {
var owing = parseFloat($('#owing').val());
total = owing / exchange;
total = Math.ceil(total * 10000) / 10000;
if (!$.isNumeric(total)) total = '';
$('#total').html(total.toString());
doqr('bitcoin:' + address + '?amount=' + total.toString());
}
});
function getParameterByName(name) {
name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
var regexS = "[\\?&]" + name + "=([^&#]*)";
var regex = new RegExp(regexS);
var results = regex.exec(window.location.search);
if(results == null)
return "";
else
return decodeURIComponent(results[1].replace(/\+/g, " "));
}
function getFormattedDate() {
var date = new Date();
var str = date.getFullYear() + "-" + date.getMonth() + "-" + date.getDate() + " " + date.getHours() + ":" + date.getMinutes() + ":" + date.getSeconds();
return str;
}
</script>
<style>
body, input { font-family: 'Arial'; font-size: 20px; }
body { width: 100% }
#container { width: 50%; margin: 0px auto; }
#total { font-size: 32px; }
#status { color: red }
</style>
</head>
<body>
<div id="container">
<div>
$<input type="text" id="owing" value="0" size="4" /> CAD @
<span id="exchange"></span>
BTC/CAD
</div>
<br />
<div>
<span>Please send</span>
<strong id="total">0.0</strong>
bitcoins to:
<br /><br />
<span id="address"></span>
<br />
<span id="status">Waiting for Payment</span>
</div>
<div id="qrdiv">
<canvas id="qrcanv"}>No Canvas Support?
</div> </div>
</body>
</html>
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