iOS in-app purchase failure when payment method added live when there is not payment method already present #307

anandwahed · 2018-10-31T10:18:57Z

Version of react-native-iap

react-native-iap": "^2.3.17

Platforms you faced the error (IOS or Android or both?)

iOS

Expected behavior

Payment should go through only when finishTransaction is being called

Actual behavior

The amount is being detected after a payment method like credit card is added.
But the RNIap.buyProductWithoutFinishTransaction(sku) method reached.

Tested environment (Emulator? Real Device?)

Real Device - iPhone 6s

Steps to reproduce the behavior

Check to ensure the Apple account in the device the payments method is set to none or some invalid payment details
Make the in-app purchase through the app
User is taken to the Account settings page to add a valid payment method
Payment method is charged but the transaction receipt is not received in the below mentioned code

ComponentDidMount(){
     await RNIap.initConnection();
     await RNIap.consumeAllItems();
     const prod = await RNIap.getProducts(product);

} 

  async componentWillUnmount() {
       RNIap.endConnection()
}

buyProduct(sku){
await RNIap.clearTransaction();

RNIap.buyProductWithoutFinishTransaction(sku)
.then(purchase => {
  // not reached
 if(calltoserverisSuccess){
    RNIap.finishTransaction();
 }
})
.catch(error => {
 // code enters catch case if ever
}}

The text was updated successfully, but these errors were encountered:

hyochan · 2018-10-31T16:02:52Z

Sorry to say this but your code seem to have many syntax error. Please refer to our example project in our repo and compare with your code first.

zohaibahmed-22 · 2018-11-01T06:16:21Z

@dooboolab
Thanks for the reply, the code that is posted over here is just for an example, this is not the exact that is being used in the real application.
i will try to explain what is the issue

componentDidMount
- connection in initiated by calling RNIap.initConnection();
- then products are fetched and store in state by calling RNIap.getProducts(product)
when user click on purchase button
- RNIap.clearTransaction(); is called just to make sure no pending transactions left.
- RNIap.buyProductWithoutFinishTransaction(sku) is called in success case a call to application server is triggered if server gives success case true then RNIap.finishTransaction(); is called to complete the payment.
componentWillUnmount()
- RNIap.endConnection() to end connection.

This process works fine if user have already payment method added. When user don't have a payment method added it takes to adding payment method page and amount is charged before reaching the RNIap.finishTransaction();

hyochan · 2018-11-01T06:30:33Z

Thanks for the detail. Your issue looks clear now. cc @JJMoon

anandwahed · 2018-11-01T06:31:36Z

@JJMoon

JJMoon · 2018-11-01T07:07:26Z

@zohaibahmed-22 Is this sandbox test case ?

zohaibahmed-22 · 2018-11-01T07:11:34Z

@JJMoon No, its a real environment case.

JJMoon · 2018-11-01T07:26:27Z

I understand this error happens when the user is in logged out state, or no credit card info.
If the methods work fine, the cause of this error lies somewhere else.
We need to prepare this action, which leaves the app, viewDidDisappear etc.
In sandbox mode, this symptom happens somewhat different way.
When I make a new sandbox account, and the first purchasing doesn't work.
At the second time, the device is logged in state, and works fine.
I don't have a clue for this error.

zohaibahmed-22 · 2018-11-01T13:42:55Z

@dooboolab @JJMoon have a look at this one
https://forums.developer.apple.com/thread/6431
https://forums.developer.apple.com/thread/64489

anandwahed · 2018-11-01T14:27:46Z

@dooboolab and @JJMoon also i think i found the issue when going through our iOS code. In the updatedTransactions method when we receive a failure message in the SKPaymentTransactionStateDeferred or SKPaymentTransactionStateFailed we are not suppose to finishTransaction.

Since in many cases the SKPaymentTransactionStateFailed result is followed by a SKPaymentTransactionStatePurchased as mentioned in the above thread 6431. I am not sure about the Objective-C code so kindly check and confirm if we do clear the transaction on failure.

JJMoon · 2018-11-02T05:45:26Z

@anandwahed I agree on you. It's my fault. Sorry for that.
I will look over the Apple's thread and take care of the issue.

JJMoon · 2018-11-05T05:53:43Z

@anandwahed I guess it's right way to finish transaction when it's failed. Please look up this thread. https://stackoverflow.com/questions/11008636/inapp-purchase-skpaymentqueue-finish-transaction-doesnt-work
When it fails, there will be no receipt, so you don't apply the purchase product. And the finishing transaction doesn't always mean 'purchasing'.
Meanwhile, I will investigate thread 6431.

JJMoon · 2018-11-08T03:00:45Z

I just read the thread 6431 (https://forums.developer.apple.com/thread/6431#14562)
The bottom line. Problem not solved since 2015. Wow..
There are two different ways to handle this 'store kit flow' effect.

Do not show any user alert.
Show the result.

And I learned two things.
A. We have to finishTransaction when it failed. (I guess with or without option, always)
B. Storekit flow makes failed and success with receipt both. (it's bad)

I suggest you all to read this thread, and return to this issue.

I guess, which way you choose (1 or 2), it's on your own.
We might need a call back for failure response.

maxs15 · 2018-12-03T20:42:46Z

@JJMoon does it mean we shouldn't use buyProductWithoutFinishTransaction ?

JJMoon · 2018-12-15T13:00:14Z

@maxs15 I didn't mean that. Sorry for confusing.
The StoreKit flow can happen at any purchasing. It's iOS issue, not this module.
For now, I don't have any clue, either. This thing happens in any native iOS apps. Right?
We will dig more in our free time.

hyochan · 2018-12-15T15:21:20Z

Today, I've tried to debug this issue because I have generated this problem. The payment finishTransanction and is completed but not getting the callback when payMethod has changed. I've tried to debug writing some console.log but I couldn't test real billing in dev environment. Could anyone suggest me how to debug this process so I can debug this for real purchase? Should I have to use this in sandbox mode? It is working perfectly in sandbox so I have no idea how to debug this. This is very reluctant.

Let's gather some ideas because I think this is very important to be fixed.

I am always getting this error when I attempt the purchase with non sandbox user.

JJMoon · 2018-12-17T01:36:52Z

@hyochan If you connect the real server (yours), whether you are in debug mode or release mode doesn't matter. I guess you have 2 options.

You run on the real device in debug mode in Xcode. Use JS console log.
You run on the real device in release mode in Xcode. Use NSLog in objective-c code.
Both methods should work.

hyochan · 2018-12-17T03:46:20Z

@JJMoon Yeah, I've figured that out already but still I couldn't make live purchase testing in ios. Is this stackoverflow true? Then how can I solve this problem? We have to test the live purchase.

hyochan · 2018-12-17T03:48:16Z

Anyone who is facing this problem, I am sure all of them do, please give us an idea of how to encounter this problem. in-app purchase fail when payment method added live as described in issue title. How could I debug this? @anandwahed Did you ever contact apple about this problem?

anandwahed · 2018-12-17T06:54:45Z

@hyochan No we didn't contact Apple support.

hyochan · 2018-12-17T07:14:12Z

I think we need to contact apple for this and this looks really terrible that there is a different test case which is not reproducible in sandbox environment. For those who want to understand the problem, I've recorded the screen and you can see the clip here. @anandwahed Could you also contact apple for this? Because I know they aren't that supportive so it is better for more people to have contact with them. Let's gather up to solve this issue.

hyochan · 2018-12-21T01:41:20Z

Today we received answer from Apple. There may be callback returned again after failure. We are working on workaround solution in #348 but I am afraid this could be very nasty.

hyochan · 2018-12-23T22:59:09Z

I've released to 2.4.0-beta1, trying to make a workaround for this problem. The PR #348 has been added to this version and you can also see the readme of this feature. Note that this is under testing.

hyochan · 2018-12-31T02:22:13Z

I've tested this in a live purchase and seems to be working. However, keep in mind that you should only add listener when there was a failure or it may be duplicated with a successful result.

This is similar feature from react-native-iap(hyochan/react-native-iap#307). Similar issue in current repo #54.

Edgpaez · 2019-02-27T15:51:32Z

Guys, thank you for investing time in this problem! 🙏

I think the current documentation needs to be clearer around the usage of addAdditionalSuccessPurchaseListenerIOS. That's something I tried to address at #414.

But I also think this leaves room from improvement to the API. Would you guys be open to discussing a change in the API that can better accommodate the so called 'store kit flow'? Something maybe using RxJS, for example:

const observable = RNIap.buyProduct('com.example.coins100')
						.subscribe(
							purchase => console.log(purchase), // successful payment
							err => console.log(err) // err.code and err.message are available
						)

Or something different that better hides the additional subscription for iOS?

hyochan · 2019-03-07T08:20:08Z

@Edgpaez That's great but that will change the behavior of the purchase being done in android. I hope I can investigate version 3 of this module in 2019.

Edgpaez · 2019-03-14T20:01:29Z

hi @hyochan, AFAICT, we don't need to change the internal behavior of the package, only the public facing interface. We can keep the buyItemByType method resolving promises and simply add a bit of Rx on top of that on index.js.

for example, we'd have this in index.js:

export const buyProduct = (sku) => Platform.select({
  android: () => Observable.of(RNIapModule.buyItemByType(ANDROID_ITEM_TYPE_IAP, sku, null, 0)), // returns an observable that emits when the RNIapModule.buyItemByType promise resolves
  ios: ... // ios would do the same but taking into account the usage of addAdditionalSuccessPurchaseListenerIOS
})();

My goal is not this specific implementation but to hide details specific to the 'store kit flow'.
Do you think this is a good idea?
Would you be interested in a PR?

hyochan · 2019-03-14T21:23:45Z

@Edgpaez Ok. I understand the detail now. However, I feel adding RxJS is bit too much for implementing the feature since I think this can be covered without it.

Also, I feel the below would be something different.

RNIap.buyProduct('com.example.coins100')
						.subscribe(
							purchase => console.log(purchase), // successful payment
							err => console.log(err) // err.code and err.message are available
						)

If you call buyProduct for two items like below,

RNIap.buyProduct('com.example.coins100');
RNIap.buyProduct('com.example.coins200');

We can't guarantee which one would finish first so I think we should handle this in native to sendEvent out to JS.

I feel like implementation should look like

RNIap.buyProduct('com.example.coins100');
RNIap.buyProduct('com.example.coins200');

// receiving events
const subs =  RNIap.purchaseUpdateListener(purchase => {
  ...
});

Please tell me if there is something I've missed.

Lets handle further disccustin in #423

hyochan added 🙏 help wanted Extra attention is needed 📱 iOS Related to iOS labels Oct 31, 2018

hyochan closed this as completed Oct 31, 2018

hyochan reopened this Nov 1, 2018

lc3t35 mentioned this issue Dec 8, 2018

RNIap.buySubscription error : E_DEVELOPER_ERROR #328

Closed

hyochan added the critical label Dec 14, 2018

hyochan added ☠️ wontfix This will not be worked on 🏃🏻‍♀️ in progress Currently working on labels Dec 15, 2018

hyochan added amazing labels Dec 17, 2018

hyochan removed the ☠️ wontfix This will not be worked on label Dec 20, 2018

hyochan mentioned this issue Dec 23, 2018

Add additional event listener to handle success purchase after failure. #348

Merged

hyochan closed this as completed in 623d049 Dec 24, 2018

JJMoon mentioned this issue Jan 4, 2019

Promote IAPs from App Store? #199

Closed

hyochan mentioned this issue Jan 15, 2019

FlutterInappPurchase.buyProduct(skuId) errored even though purchase was successful hyochan/flutter_inapp_purchase#54

Closed

hyochan mentioned this issue Jan 22, 2019

buyProductWithoutFinishTransaction for subscriptions #373

Closed

hyochan removed the 🏃🏻‍♀️ in progress Currently working on label Jan 28, 2019

hyochan added a commit to hyochan/flutter_inapp_purchase that referenced this issue Jan 28, 2019

Implement support of handling dropped success purchase.

bd13457

This is similar feature from react-native-iap(hyochan/react-native-iap#307). Similar issue in current repo #54.

hyochan mentioned this issue Jan 28, 2019

Add additional success purchase listener ios hyochan/flutter_inapp_purchase#58

Merged

This was referenced Feb 7, 2019

[IOS] Can't recognize the purchase after Registering a card because of non-registered card #394

Closed

buySubscription returns E_UNKNOWN despite successful purchase #287

Closed

hyochan mentioned this issue Feb 21, 2019

getPurchaseHistory gets empty array in production #385

Closed

Edgpaez mentioned this issue Feb 27, 2019

update readme to better explain 'store kit flow' #414

Merged

hyochan mentioned this issue Mar 14, 2019

Better StoreKit flow. #423

Closed

hyochan mentioned this issue Apr 25, 2019

The user loss money, but on the side of the application, he does not receive a reward #463

Closed

This was referenced Jun 9, 2019

Version 3 Implementation #510

Merged

RNIap.buyProduct not resolving and it's not storing the receipt state after completed transaction #506

Closed

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iOS in-app purchase failure when payment method added live when there is not payment method already present #307

iOS in-app purchase failure when payment method added live when there is not payment method already present #307

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iOS in-app purchase failure when payment method added live when there is not payment method already present #307

iOS in-app purchase failure when payment method added live when there is not payment method already present #307

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anandwahed commented Oct 31, 2018 • edited Loading

Version of react-native-iap

Platforms you faced the error (IOS or Android or both?)

Expected behavior

Actual behavior

Tested environment (Emulator? Real Device?)

Steps to reproduce the behavior

hyochan commented Oct 31, 2018

zohaibahmed-22 commented Nov 1, 2018

hyochan commented Nov 1, 2018 • edited Loading

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