online payments for card order

app/Modules/OnlinePayment/Contracts/HasOnlinePayments.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Modules\OnlinePayment\Contracts;
+
+/**
+ * @property int $id
+ */
+interface HasOnlinePayments {}

app/Modules/OnlinePayment/Contracts/PaymentProviderContract.php

@@ -7,4 +7,14 @@ use Illuminate\Http\Client\Response;
 interface PaymentProviderContract
 {
     public function sendRequest(): Response;
+
+    public function orderNumber(): int|string;
+
+    public function amount(): int|float|string;
+
+    public function description(): string;
+
+    public function returnUrl(): string;
+
+    public function username(): string;
 }