Multiple calls restorePurchase first time normal, the second is very slow, wait 2 minutes to have the order back drop back, and each time this function - (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *) transactions are executed twice this is executed once - (void)paymentQueueRestoreCompletedTransactionsFinished:(SKPaymentQueue *)queue really magical!
xiaopengcheng
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Only in sandboxed environment, it was fine before, recently there was an error clicking to resume purchase, showing the error cause as Error Domain=SKErrorDomain Code=0 "An unknown error occurred" UserInfo={NSLocalizedDescription=An unknown error occurred,. NSUnderlyingError=0x303bae790 {Error Domain=ASDServerErrorDomain Code=5002 "An unknown error occurred" UserInfo={NSLocalizedFailureReason=An unknown error occurred}}}