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$(function() {
var address = getParameterByName('address');
var exchange = 0;
if (address == "")
window.location = 'index.html?address=1KDaKixtYqPdDNsu3fMeAHHB52R2WHvXCQ'
$('#received').hide()
$('div.container-fluid').css('width', Math.min(screen.width, 600) + 'px');
$('#address').html(address);
setupQR();
$.getJSON('ticker.json', function (data) {
exchange = 1000 / data.out;
exchange = exchange + exchange * 0.03;
exchange = Math.ceil(exchange * 100) / 100;
$('#exchange').val(exchange.toFixed(2));
updateTotal();
setupSocket();
});
$('#amount').keyup(updateTotal);
$('#amount').focus();
$('#amount').focus(function() {
$('#received').hide();
$(this).val('');
updateTotal();
});
function updateTotal() {
var amount = parseFloat($('#amount').val());
var total = amount / exchange;
total = Math.ceil(total * 10000) / 10000;
if (!$.isNumeric(total) || total == 0) {
$('#payment').fadeOut('slow');
} else {
$('#payment').fadeIn('slow');
$('#total').html(total.toString());
displayQR('bitcoin:' + address + '?amount=' + total.toString());
}
}
function setupSocket() {
var websocket = new ReconnectingWebSocket("ws://api.blockchain.info:8335/inv");
websocket.onopen = function() {
websocket.send('{"op":"addr_sub", "addr":"' + address + '"}');
}
websocket.onmessage = function(e) {
var results = eval('(' + e.data + ')');
var from_address = '';
var total = 0;
var received = 0;
$.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;
}
});
if (total <= received) {
$('#amount').blur();
$('#payment').hide();
$('#received').fadeIn('slow');
}
$.get('record_transaction.php',
{
address: from_address,
date: moment().format("YYYY-MM-DD HH:mm:ss"),
received: received,
exchange: exchange
}
);
}
}
});
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, " "));
}
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