feat: moneta 2.0, MONETA.Assistant payment module for PHPShop 6.7+

moneta/class/callback/OrderLock.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MonetaPhpShop\callback;
+
+/**
+ * Áëîêèðîâêà çàêàçà íà âðåìÿ îáðàáîòêè óâåäîìëåíèÿ: ïîâòîð Pay URL, ïðèøåäøèé
+ * ïàðàëëåëüíî ñ ïåðâûì, æä¸ò åãî è âèäèò óæå çàïèñàííûé ìàðêåð îïëàòû.
+ */
+interface OrderLock
+{
+    public function acquire(int $orderId): bool;
+
+    public function release(int $orderId): void;
+}