/**
* @return PaymentRequestBuf
* @throws \Exception
*/
public function getPaymentRequest()
{
// Serialize the payment details, and apply a signature based on instance of PaymentRequestSigner
$this->request->setSerializedPaymentDetails($this->details->serialize());
if (!$this->request->hasSignature()) {
$this->request = $this->signer->apply($this->request);
}
return $this->request;
}
