What is the correct way to verify a valid IAP with an Apple server?

Question

From iOS7, Apple has deprecated the transactionReceipt property of the SKPaymentTransaction instance, and now we have one large receipt containing everything. In my application, I have several spending purchases. My code is:

#pragma mark -
#pragma mark SKPaymentTransactionObserver

- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray<SKPaymentTransaction *> *)transactions {

    for (SKPaymentTransaction *transaction in transactions) {

        switch (transaction.transactionState) {

            case SKPaymentTransactionStatePurchased:
                [self completeTransaction:transaction];
                break;

           ...
    }

}

- (void)completeTransaction:(SKPaymentTransaction *)transaction {
//    [self sendRecieptToServer:transaction.transactionReceipt]; // deprecated
    [self testMainReceipt];
    [self deliverPurchaseNotificationFirIdentifier:transaction.payment.productIdentifier];
    [SKPaymentQueue.defaultQueue finishTransaction:transaction];
}

- (void)testMainReceipt {
    NSURL *receiptURL = [[NSBundle mainBundle] appStoreReceiptURL];
    NSData *receipt = [NSData dataWithContentsOfURL:receiptURL];

    [self sendRecieptToServer:receipt]; //look at the 'status' field and determine whether a good purchase or not
}

From Apple's answer, I see "in_app" filed with an array, always containing 1 element - the most recent purchase, no matter how many times I have made purchases before. Is it right that this concerns how consumer purchases work? And do I always get an array with 1 point and "status" for this last purchase? Or is there his best way?

Answer 1

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Answer 2

appStoreReceiptURL, ( ), transactionReceipt SKPaymentTransaction App Store.

. App Store. . https://developer.apple.com/library/content/releasenotes/General/ValidateAppStoreReceipt/Chapters/ValidateLocally.html#//apple_ref/doc/uid/TP40010573-CH1-SW2