IAP: Receives `paymentQueueRestoreCompletedTransactionsFinished:` callback with unfinished transactions
问题 Some times I get this callback - (void)paymentQueueRestoreCompletedTransactionsFinished:(SKPaymentQueue *)queue Even before I receive this - (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions I don't even get to say finishTransaction: . I find this superweird. I've all this time been assuming paymentQueueRestoreCompletedTransactionsFinished: wouldn't be triggered before I had marked every unfinished transaction as finished. Is this expected behavior? This