/**
* Refund capture
*
* @param InfoInterface|Payment|Object $payment
* @param float $amount
* @return $this
* @throws \Magento\Framework\Exception\LocalizedException
* @throws \Magento\Framework\Exception\State\InvalidTransitionException
*/
public function refund(\Magento\Payment\Model\InfoInterface $payment, $amount)
{
$request = $this->buildBasicRequest();
$request->setTrxtype(self::TRXTYPE_CREDIT);
$request->setOrigid($payment->getParentTransactionId());
$request->setAmt(round($amount, 2));
$response = $this->postRequest($request, $this->getConfig());
$this->processErrors($response);
if ($response->getResultCode() == self::RESPONSE_CODE_APPROVED) {
$payment->setTransactionId($response->getPnref())->setIsTransactionClosed(1);
$payment->setShouldCloseParentTransaction(!$payment->getCreditmemo()->getInvoice()->canRefund());
}
return $this;
}
