oups missing functions

includes/requiredFunctions.php

@@ -132,4 +132,106 @@ function antiXss($input) {
 	//strip HTML tags from input data
 	return htmlentities(strip_tags($input), ENT_QUOTES);
 }
+
+function sqlerr($file = '', $line = '')
+{
+  print("<table border=0 bgcolor=blue align=left cellspacing=0 cellpadding=10 style='background: blue'>" .
+    "<tr><td class=embedded><font color=white><h1>SQL Error</h1>\n" .
+  "<b>" . mysql_error() . ($file != '' && $line != '' ? "<p>in $file, line $line</p>" : "") . "</b></font></td></tr></table>");
+  die;
+}
+
+$_current_lock = null;
+
+function islocked($name) {
+	$result = mysql_query("SELECT locked FROM locks WHERE name ='$name' and locked=1 LIMIT 1");
+	if (!$result || mysql_numrows($result) == 0)
+		return false;
+	return true;
+}
+
+function unlock() {
+	global $_current_lock;
+	mysql_query("UNLOCK TABLES");
+	$sql = "UPDATE locks SET locked = 0 WHERE name = '" . mysql_real_escape_string($_current_lock) . "'";
+	mysql_query($sql);
+}
+
+function lock($name) {
+	global $_current_lock;
+	mysql_query("LOCK TABLES locks WRITE");
+	$q = mysql_query("SELECT locked FROM locks WHERE name = '" . mysql_real_escape_string($name) . "'");
+
+	$lock = mysql_fetch_object($q);
+	if ($lock === false) {
+		mysql_query("INSERT INTO locks (name, locked) VALUES ('".mysql_real_escape_string($name)."', 1)");
+	} elseif ($lock->locked) {
+		echo("Lock already held, exiting. (".$name.")");
+		mysql_query("UNLOCK TABLES");
+		exit();
+		return;
+	} else {		
+		mysql_query("UPDATE locks SET locked = 1 WHERE name = '" . mysql_real_escape_string($name) . "'");
+	}
+
+	//mysql_query("UNLOCK TABLES");
+	$_current_lock = $name;
+	register_shutdown_function('unlock');
+}
+
+function ScriptIsRunLocally() {
+	if (isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] != "127.0.0.1") {
+		echo "This script can only be run locally.";
+		exit;
+	}
+}
+
+//Cache functions
+
+# Gets key / value pair into memcache ... called by mysql_query_cache()
+function getCache($key) {
+    global $memcache;
+    return ($memcache) ? $memcache->get($key) : false;
+}
+
+# Puts key / value pair into memcache ... called by mysql_query_cache()
+function setCache($key, $object, $timeout = 600) {
+    global $memcache;
+    return ($memcache) ? $memcache->set($key, $object, $timeout) : false;
+}
+
+function removeCache($key) {
+	global $memcache;
+	$memcache->delete($key);
+}
+
+function removeSqlCache($key) {
+	global $memcache;
+	$memcache->delete(md5("mysql_query".$key));
+}
+
+# Caching version of mysql_query()
+function mysql_query_cache($sql, $timeout = 600) {	
+	if($objResultset = unserialize(getCache(md5("mysql_query".$sql))))  {		
+    	return $objResultset;
+  	}
+    $objResultSet = mysql_query($sql); 
+    $objarray = Array();
+    while ($row = mysql_fetch_object($objResultSet)) {
+    	$objarray[] = $row;
+    }   
+    setCache(md5("mysql_query".$sql), serialize($objarray), $timeout);
+    return $objarray;
+}
+
+function GetCachedBitcoinDifficulty() {
+	global $bitcoinController;
+	$difficulty = 0;
+	if (!($difficulty = getCache("bitcoinDifficulty"))) {	
+		$difficulty = $bitcoinController->query("getdifficulty");
+		setCache("bitcoinDifficulty", $difficulty, 60);	
+	}	
+	return $difficulty;
+}
+
 ?>