add Checkout amountUpdates

src/Adyen/Service/Checkout.php

@@ -82,6 +82,9 @@ class Checkout extends \Adyen\ApiKeyAuthenticatedService
     protected $technicalCancels;
 
     /**
+     * @var ResourceModel\Checkout\AmountUpdates
+     */
+    protected $amountUpdates;
      * @var ResourceModel\Checkout\Recurring
      */
     protected $recurring;
@@ -125,6 +128,7 @@ public function __construct(\Adyen\Client $client)
         $this->captures = new \Adyen\Service\ResourceModel\Checkout\Captures($this);
         $this->cancels = new \Adyen\Service\ResourceModel\Checkout\Cancels($this);
         $this->technicalCancels = new \Adyen\Service\ResourceModel\Checkout\TechnicalCancels($this);
+        $this->amountUpdates = new \Adyen\Service\ResourceModel\Checkout\AmountUpdates($this);
         $this->recurring = new Recurring($this, null);
     }
 
@@ -346,6 +350,17 @@ public function technicalCancels($params, $requestOptions = null)
      * @return mixed
      * @throws \Adyen\AdyenException
      */
+    public function amountUpdates($params, $requestOptions = null)
+    {
+        return $this->amountUpdates->request($params, $requestOptions);
+    }
+
+     /**
+     * @param array $params
+     * @param array|null $requestOptions
+     * @return mixed
+     * @throws \Adyen\AdyenException
+     */
     public function getStoredPaymentMethods(array $queryParams = [])
     {
         return $this->recurring->retrieve($queryParams);

src/Adyen/Service/ResourceModel/Checkout/AmountUpdates.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Adyen\Service\ResourceModel\Checkout;
+
+class AmountUpdates extends \Adyen\Service\AbstractCheckoutResource
+{
+    /**
+     * @var string
+     */
+    protected $endpoint;
+
+    /**
+     * Include applicationInfo key in the request parameters
+     *
+     * @var bool
+     */
+    protected $allowApplicationInfo = false;
+
+    /**
+     * Payments constructor.
+     *
+     * @param \Adyen\Service $service
+     * @throws \Adyen\AdyenException
+     */
+    public function __construct($service)
+    {
+        $this->endpoint = $this->getCheckoutEndpoint($service) .
+            '/' . $service->getClient()->getApiCheckoutVersion() . '/payments/{paymentPspReference}/amountUpdates';
+        parent::__construct($service, $this->endpoint, $this->allowApplicationInfo);
+    }
+}