/**
  * Add payment transaction
  *
  * @param Mage_Sales_Model_Order_Payment $payment
  * @param string $transactionId
  * @param string $transactionType
  * @param array $transactionDetails
  * @param array $transactionAdditionalInfo
  * @return null|Mage_Sales_Model_Order_Payment_Transaction
  */
 protected function _addTransaction(Mage_Sales_Model_Order_Payment $payment, $transactionId, $transactionType, array $transactionDetails = array(), array $transactionAdditionalInfo = array(), $message = false)
 {
     $payment->setTransactionId($transactionId);
     $payment->resetTransactionAdditionalInfo();
     foreach ($transactionDetails as $key => $value) {
         $payment->setData($key, $value);
     }
     foreach ($transactionAdditionalInfo as $key => $value) {
         $payment->setTransactionAdditionalInfo($key, $value);
     }
     $transaction = $payment->addTransaction($transactionType, null, false, $message);
     foreach ($transactionDetails as $key => $value) {
         $payment->unsetData($key);
     }
     $payment->unsLastTransId();
     /**
      * It for self using
      */
     $transaction->setMessage($message);
     return $transaction;
 }