Initiated data for paynl-cse form

src/Components/Api.php

@@ -543,4 +543,11 @@ public function getInstoreTerminals(string $salesChannelId): array
 
         return (array)Instore::getAllTerminals()->getList();
     }
+
+    public function getPublicKeys(string $salesChannelId): array
+    {
+        $this->setCredentials($salesChannelId);
+
+        return Payment::paymentEncryptionKeys()->getKeys();
+    }
 }

src/Enums/PaynlPaymentMethodsIdsEnum.php

@@ -5,4 +5,5 @@
 class PaynlPaymentMethodsIdsEnum
 {
     const PIN_PAYMENT = 1927;
+    const VISA_MASTERCARD_PAYMENT = 706;
 }

src/Helper/PublicKeysHelper.php

@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PaynlPayment\Shopware6\Helper;
+
+use PaynlPayment\Shopware6\Components\Api;
+use Psr\Cache\CacheItemPoolInterface;
+
+class PublicKeysHelper
+{
+    const CACHE_KEY = 'paynl_public_encryption_keys';
+    const CACHE_TTL = 15768000;
+
+    /** @var Api */
+    private $paynlApi;
+
+    /** @var CacheItemPoolInterface */
+    private $cache;
+
+    public function __construct(Api $api, CacheItemPoolInterface $cache)
+    {
+        $this->paynlApi = $api;
+        $this->cache = $cache;
+    }
+
+    public function getKeys(string $salesChannelId): array
+    {
+        $keysCacheItem = $this->cache->getItem(self::CACHE_KEY);
+
+        if (!$keysCacheItem->isHit() || !$keysCacheItem->get()) {
+            $keys = $this->paynlApi->getPublicKeys($salesChannelId);
+            $keysCacheItem->set(json_encode($keys));
+
+            $this->cache->save($keysCacheItem);
+        } else {
+            $keys = json_decode($keysCacheItem->get(), true);
+        }
+
+        return $keys;
+    }
+}