Add all files

app/Http/Requests/Api/Admin/Orders/UpdateOrderRequest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Http\Requests\Api\Admin\Orders;
+
+use App\Http\Requests\Api\Admin\AdminApiRequest;
+
+class UpdateOrderRequest extends AdminApiRequest
+{
+    protected $permission = 'orders.update';
+
+    public function rules(): array
+    {
+        return [
+            'user_id' => 'required|exists:users,id',
+            /**
+             * @example USD
+             */
+            'currency_code' => 'required|string|exists:currencies,code',
+        ];
+    }
+}