protected function recalculateShippingTotal(OrderInterface $order)
{
$grossAmount = $order->getShippingTotal()->getGrossAmount();
$taxRate = $order->getShippingMethod()->getTax()->getValue();
$currency = $order->getCurrency();
$orderTotal = $this->orderTotalFactory->createFromSpecifiedValues($grossAmount, $taxRate, $currency);
$order->setShippingTotal($orderTotal);
}
protected function prepareOrderShippingDetails(CartInterface $cart, OrderInterface $order)
{
$cost = $cart->getShippingMethodCost()->getCost();
$grossAmount = $this->currencyHelper->convert($cost->getGrossAmount(), $cost->getCurrency(), $order->getCurrency());
$taxRate = $cost->getTaxRate();
$orderTotal = $this->orderTotalFactory->createFromSpecifiedValues($grossAmount, $taxRate, $order->getCurrency());
$order->setShippingTotal($orderTotal);
}