add support for banktransfer_iban

Block/Checkout/Success.php

@@ -104,6 +104,16 @@ class Success extends \Magento\Framework\View\Element\Template
         return null;
     }
 
+    public function getBankTransferData()
+    {
+        $result = [];
+        if (!empty($this->getOrder()->getPayment()->getAdditionalInformation('bankTransfer.owner'))) {
+            $result = $this->getOrder()->getPayment()->getAdditionalInformation();
+        }
+
+        return $result;
+    }
+
     /**
      * Get Banktransfer additional data
      *

Block/Info/Hpp.php

@@ -75,6 +75,31 @@ class Hpp extends AbstractInfo
         return $this->getInfo()->getOrder();
     }
 
+    /**
+     * Get all Banktransfer related data
+     *
+     * @return array
+     * @throws \Magento\Framework\Exception\LocalizedException
+     */
+    public function getBankTransferData()
+    {
+        $result = [];
+        if(!empty($this->getInfo()->getOrder()->getPayment()->getAdditionalInformation('bankTransfer.owner'))) {
+            $result = $this->getInfo()->getOrder()->getPayment()->getAdditionalInformation();
+        }
+
+        return $result;
+    }
+
+    /**
+     * @return mixed
+     * @throws \Magento\Framework\Exception\LocalizedException
+     */
+    public function getOrder()
+    {
+        return $this->getInfo()->getOrder();
+    }
+
     /**
      * @return null
      * @throws \Magento\Framework\Exception\LocalizedException