function display_double_entry($curr_a, $curr_b, $base_curr, $uid, $is_admin)
{
if (isset($_GET['show_all']) && get('show_all') == 'true') {
$show_all = true;
} else {
$show_all = false;
}
echo "<div class='content_box'>\n";
if ($curr_a == 'BTC') {
echo "<h3>" . sprintf(_("People selling %s for %s"), $curr_a, $curr_b) . "</h3>\n";
} else {
echo "<h3>" . sprintf(_("People buying %s for %s"), $curr_b, $curr_a) . "</h3>\n";
}
$exchange_fields = calc_exchange_rate($curr_a, $curr_b, $base_curr);
if (!$exchange_fields) {
if ($curr_a == 'BTC') {
echo "<p>" . sprintf(_("Nobody is selling %s for %s."), $curr_a, $curr_b) . "</p>";
} else {
echo "<p>" . sprintf(_("Nobody is buying %s for %s."), $curr_b, $curr_a) . "</p>";
}
echo "</div>";
return;
}
list($total_amount, $total_want_amount, $rate) = $exchange_fields;
echo "<p>" . _("Best exchange rate is") . " ";
if ($base_curr == BASE_CURRENCY::A) {
echo "<b>{$rate} {$curr_b}/{$curr_a}</b>";
} else {
echo "<b>{$rate} {$curr_a}/{$curr_b}</b>";
}
echo ".</p>";
if (!$show_all) {
echo "<p>" . sprintf(_("Showing top %d entries"), DEFAULT_ORDERBOOK_DEPTH) . ":</p>";
}
?>
<table class='display_data'>
<tr>
<th><?php
echo _("Cost / BTC");
?>
</th>
<th><?php
echo _("Giving");
?>
</th>
<th><?php
echo _("Wanted");
?>
</th>
<?php
if ($is_admin) {
?>
<th><?php
echo _("User");
?>
</th>
<?php
}
if (SHOW_CUMULATIVE_DEPTH) {
?>
<th><?php
echo _("Cumulative Give");
?>
</th>
<th><?php
echo _("Cumulative Want");
?>
</th>
<?php
}
?>
</tr><?php
$show_query = 'LIMIT ' . DEFAULT_ORDERBOOK_DEPTH;
if ($show_all) {
$show_query = '';
}
$query = "\n SELECT\n orderid,\n amount,\n want_amount,\n uid={$uid} as me,\n uid,\n IF(\n type='BTC',\n initial_want_amount/initial_amount,\n initial_amount/initial_want_amount\n ) AS rate\n FROM orderbook\n WHERE type='{$curr_a}' AND want_type='{$curr_b}' AND status='OPEN'\n ORDER BY\n IF(type='BTC', rate, -rate) ASC, timest ASC\n {$show_query}\n ";
$result = do_query($query);
$cumulative_curr_a = 0;
$cumulative_curr_b = 0;
if ($curr_a == 'BTC') {
$precision_a = BTC_PRECISION;
$precision_b = FIAT_PRECISION;
} else {
$precision_a = FIAT_PRECISION;
$precision_b = BTC_PRECISION;
}
while ($row = mysql_fetch_array($result)) {
$amount_i = $row['amount'];
$amount = internal_to_numstr($amount_i, $precision_a);
$cumulative_curr_a = gmp_add($cumulative_curr_a, $amount_i);
$want_amount_i = $row['want_amount'];
$want_amount = internal_to_numstr($want_amount_i, $precision_b);
$cumulative_curr_b = gmp_add($cumulative_curr_b, $want_amount_i);
// MySQL kindly computes this for us.
// we trim the excessive 0
$rate = clean_sql_numstr($row['rate']);
$me = $row['me'];
$uid = $row['uid'];
if ($me) {
echo " ", active_table_row("me", "?page=view_order&orderid={$row['orderid']}");
} else {
echo " ", active_table_row("them", "?page=trade&in={$curr_b}&have={$want_amount_i}&want={$amount_i}&rate={$rate}");
}
echo " <td>{$rate}</td>\n";
echo " <td>{$amount} {$curr_a}</td>\n";
echo " <td>{$want_amount} {$curr_b}</td>\n";
if ($is_admin) {
echo " <td>{$uid}</td>\n";
}
if (SHOW_CUMULATIVE_DEPTH) {
echo " <td>" . internal_to_numstr($cumulative_curr_a, $precision_a) . " {$curr_a}</td>\n";
echo " <td>" . internal_to_numstr($cumulative_curr_b, $precision_b) . " {$curr_b}</td>\n";
}
echo " </tr>\n";
}
echo " <tr>\n";
echo " <td>" . _("Total") . ":</td>\n";
// strstr's 3rd argument only works in PHP 5.3.0 and newer
// http://php.net/manual/en/function.strstr.php
// use explode instead
$total_amount = explode('.', $total_amount, 2);
$total_amount = $total_amount[0];
echo " <td>{$total_amount} {$curr_a}</td>\n";
echo " <td></td>\n";
echo " </tr>\n";
echo "</table>\n";
if ($show_all) {
echo "<p><a href='?page=orderbook&show_all=false'>>> " . _("hide") . "</a></p>\n";
} else {
echo "<p><a href='?page=orderbook&show_all=true'>>> " . _("show all") . "</a></p>\n";
}
echo "</div>\n";
}
function get_ticker_data()
{
$query = "\n SELECT\n ROUND(MAX(a_amount/b_amount), " . PRICE_PRECISION . ") AS high,\n ROUND(MIN(a_amount/b_amount), " . PRICE_PRECISION . ") AS low,\n SUM(a_amount/b_amount) AS sum_of_prices,\n COUNT(*) AS number_of_prices,\n SUM(a_amount) AS sum_of_a_amounts,\n SUM(b_amount) AS sum_of_b_amounts,\n SUM(b_amount) AS vol\n FROM\n transactions\n WHERE\n b_amount > 0\n AND timest > NOW() - INTERVAL 1 DAY;\n ";
$result = do_query($query);
$row = get_row($result);
if (isset($row['vol'])) {
$sum_of_prices = $row['sum_of_prices'];
$number_of_prices = $row['number_of_prices'];
$sum_of_a_amounts = $row['sum_of_a_amounts'];
$sum_of_b_amounts = $row['sum_of_b_amounts'];
$high = $row['high'];
$low = $row['low'];
$avg = fiat_and_btc_to_price($sum_of_prices, $number_of_prices);
$vwap = fiat_and_btc_to_price($sum_of_a_amounts, $sum_of_b_amounts);
$vol = internal_to_numstr($row['vol'], BTC_PRECISION);
} else {
$high = $low = $avg = $vwap = $vol = 0;
}
$exchange_fields = calc_exchange_rate(CURRENCY, 'BTC', BASE_CURRENCY::B);
if (!$exchange_fields) {
$buy = 0;
} else {
list($total_amount, $total_want_amount, $buy) = $exchange_fields;
}
$exchange_fields = calc_exchange_rate('BTC', CURRENCY, BASE_CURRENCY::A);
if (!$exchange_fields) {
$sell = 0;
} else {
list($total_amount, $total_want_amount, $sell) = $exchange_fields;
}
$last = get_last_price();
// for testing layout when all stats have 4 decimal places
// return array('21.1234', '20.1234', '21.6789', '21.4567', '1234567.3456', '21.5543', '21.2345', '22.1257');
return array($high, $low, $avg, $vwap, $vol, $last, $buy, $sell);
}
function show_header($page, $is_logged_in, $base = false)
{
global $shown_header;
$shown_header = true;
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html itemscope itemtype="http://schema.org/Organization" xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html;charset=UTF-8" />
<title><?php
echo SITE_NAME;
?>
</title>
<script type='text/javascript' src='js/util.js'></script>
<?php
if (!isset($_GET['fancy'])) {
?>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
<script>
!window.jQuery && document.write('<script src="js/jquery-1.4.4.min.js"><\/script>');
</script>
<script type="text/javascript" src="js/fancybox/jquery.fancybox-1.3.4.pack.js"></script>
<link rel="stylesheet" type="text/css" href="js/fancybox/jquery.fancybox-1.3.4.css" media="screen" />
<script type="text/javascript">
$(document).ready(function() {
$(".fancy").fancybox({'margin' : 20,
'padding' : 2,
'speedIn' : 500,
'speedOut': 100});
});
</script>
<?php
if ($page == 'trade') {
?>
<script type='text/javascript' src='js/exchanger.js'></script>
<?php
echo " <script type='text/javascript'>\n";
$fiat_currency = strtolower(CURRENCY);
echo " fiat_currency = '{$fiat_currency}';\n";
echo " fiat_currency_full = '" . CURRENCY_FULL . "';\n";
if (isset($_GET['rate'])) {
echo " typed_price = true;\n";
} else {
$currencies = array('BTC', CURRENCY);
$rates = array();
$list = calc_exchange_rate('btc', $fiat_currency, BASE_CURRENCY::A);
$rates[$fiat_currency] = $list[2];
$list = calc_exchange_rate($fiat_currency, 'btc', BASE_CURRENCY::B);
$rates['btc'] = $list[2];
echo " typed_price = false;\n";
echo " exchange_rates = " . json_encode($rates) . ";\n";
}
echo " </script>\n";
}
}
if ($base) {
echo " <base href=\"{$base}\" />\n";
}
?>
<link rel="stylesheet" type="text/css" href="style.css" />
<link rel="icon" type="image/png" href="favicon.png" />
<!-- start of google +snippet code -->
<meta itemprop="name" content="<?php
echo SITE_NAME;
?>
">
<meta itemprop="description" content="<?php
echo SITE_DESCRIPTION;
?>
">
<meta itemprop="image" content="<?php
echo SITE_IMAGE;
?>
">
<!-- end of google +snippet code -->
<!-- start of google +1 code -->
<script type="text/javascript">
(function() {
var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
po.src = 'https://apis.google.com/js/plusone.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
})();
</script>
<!-- end of google +1 code -->
<?php
if ($page != 'login') {
?>
<!-- start of google analytics code -->
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', '<?php
echo ANALYTICS_ACCOUNT;
?>
']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
<!-- end of google analytics code -->
<?php
}
?>
</head>
<?php
if ($page == 'trade') {
if (isset($_GET['in'])) {
if (get('in') == 'BTC') {
$in = 'btc';
} else {
$in = $fiat_currency;
}
} else {
if (isset($_SESSION['currency_in']) && $_SESSION['currency_in'] == 'BTC') {
$in = 'btc';
} else {
$in = $fiat_currency;
}
}
if ($in == 'btc') {
echo "<body onload='set_currency_in(\"btc\"); set_currency_out(\"{$fiat_currency}\");'>\n";
} else {
echo "<body onload='set_currency_in(\"{$fiat_currency}\"); set_currency_out(\"btc\");'>\n";
}
} else {
if (isset($_GET['fancy'])) {
echo "<body><div class='fancy_box'>\n";
return;
}
}
echo "<body>\n";
?>
<img id='flower' src='images/flower.png' />
<a href="."><img id='header' src='images/header.png' /></a>
<img id='skyline' src='images/skyline.png' />
<div id='main_pane'>
<div id='links_bg'>
<div id='content'>
<div id='content_sideshadow'>
<?php
show_content_header($is_logged_in);
}
