first upload all files

Modules/Payment/Responses/PaytmResponse.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Modules\Payment\Responses;
+
+use Modules\Order\Entities\Order;
+use Modules\Payment\GatewayResponse;
+use Modules\Payment\HasTransactionReference;
+
+class PaytmResponse extends GatewayResponse implements HasTransactionReference
+{
+    private $order;
+    private $clientResponse;
+
+
+    public function __construct(Order $order, $clientResponse)
+    {
+        $this->order = $order;
+        $this->clientResponse = $clientResponse;
+    }
+
+
+    public function getOrderId()
+    {
+        return $this->order->id;
+    }
+
+
+    public function getTransactionReference()
+    {
+        return 'ref' . time();
+    }
+
+
+    public function toArray()
+    {
+        return parent::toArray() + [
+                'amount' => $this->order->total->convertToCurrentCurrency()->round()->amount(),
+                'txnToken' => $this->clientResponse['txnToken'],
+            ];
+    }
+}