recurring example

static::assertSame($transaction, $struct->getOrderTransaction());
        static::assertSame($order, $struct->getOrder());
    }

    public function testRecurring(): void
    {
        $factory = new PaymentTransactionStructFactory();

        $transaction = new OrderTransactionEntity();
        $order = new OrderEntity();

        $struct = $factory->recurring($transaction, $order);

        static::assertSame($transaction, $struct->getOrderTransaction());
        static::assertSame($order, $struct->getOrder());
    }
}

$paymentMethod = $transaction->getPaymentMethod();
        if ($paymentMethod === null) {
            throw PaymentException::unknownPaymentMethod($transaction->getPaymentMethodId());
        }

        $paymentHandler = $this->paymentHandlerRegistry->getRecurringPaymentHandler($paymentMethod->getId());
        if (!$paymentHandler) {
            throw PaymentException::unknownPaymentMethod($paymentMethod->getHandlerIdentifier());
        }

        $struct = $this->paymentTransactionStructFactory->recurring($transaction, $order);

        try {
            $paymentHandler->captureRecurring($struct, $context);
        } catch (PaymentException $e) {
            $this->stateHandler->fail($transaction->getId(), $context);

            throw $e;
        }
    }
}