WellCommerce\Bundle\OrderBundle\Entity\OrderInterface::setCurrencyRate PHP Метод

    public function setCurrencyRate(float $currencyRate);

 /**
  * {@inheritdoc}
  */
 public function visitOrder(OrderInterface $order)
 {
     $currency = $order->getCurrency();
     $currencyRate = $this->currencyConverter->getExchangeRate($currency);
     $order->setCurrencyRate($currencyRate);
 }