/**
  * Adds Address for the destination set
  *
  * @param PayuAddress $current_address the address to be used as the billing
  * @return int returns 1 upon success
  */
 public function setDestinationAddress(PayuAddress $current_address)
 {
     if ($current_address) {
         $this->destination_address = $current_address;
         $possible_errors = $current_address->validate();
         // read errors for the current product
         $this->mergeErrorLogs($possible_errors);
         return 1;
     }
     return 0;
 }