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//
// MKStoreManager.h
// MKStoreKit (Version 5.0)
//
// File created using Singleton XCode Template by Mugunth Kumar (http://mugunthkumar.com
// Permission granted to do anything, commercial/non-commercial with this file apart from removing the line/URL above
// Read my blog post at http://mk.sg/1m on how to use this code

// Created by Mugunth Kumar (@mugunthkumar) on 04/07/11.
// Copyright (C) 2011-2020 by Steinlogic Consulting And Training Pte Ltd.

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

// As a side note on using this code, you might consider giving some credit to me by
// 1) linking my website from your app's website
// 2) or crediting me inside the app's credits page
// 3) or a tweet mentioning @mugunthkumar
// 4) A paypal donation to mugunth.kumar@gmail.com

#import <Foundation/Foundation.h>
#import <StoreKit/StoreKit.h>
#import "MKStoreKitConfigs.h"

#define kReceiptStringKey @"MK_STOREKIT_RECEIPTS_STRING"

#ifndef NDEBUG
#define kReceiptValidationURL @"https://sandbox.itunes.apple.com/verifyReceipt"
#else
#define kReceiptValidationURL @"https://buy.itunes.apple.com/verifyReceipt"
#endif

#define kProductFetchedNotification @"MKStoreKitProductsFetched"
#define kSubscriptionsPurchasedNotification @"MKStoreKitSubscriptionsPurchased"
#define kSubscriptionsInvalidNotification @"MKStoreKitSubscriptionsInvalid"

@interface MKStoreManager : NSObject<SKProductsRequestDelegate, SKPaymentTransactionObserver>

// These are the methods you will be using in your app
+ (MKStoreManager*)sharedManager;

// this is a class method, since it doesn't require the store manager to be initialized prior to calling
+ (BOOL) isFeaturePurchased:(NSString*) featureId;

@property (nonatomic, strong) NSMutableArray *purchasableObjects;
@property (nonatomic, strong) NSMutableDictionary *subscriptionProducts;
#ifdef __IPHONE_6_0
@property (strong, nonatomic) NSMutableArray *hostedContents;
@property (nonatomic, copy) void (^hostedContentDownloadStatusChangedHandler)(NSArray* hostedContent);
#endif
// convenience methods
//returns a dictionary with all prices for identifiers
- (NSMutableDictionary *)pricesDictionary;
- (NSMutableArray*) purchasableObjectsDescription;

// use this method to start a purchase
- (void) buyFeature:(NSString*) featureId
         onComplete:(void (^)(NSString* purchasedFeature, NSData*purchasedReceipt, NSArray* availableDownloads)) completionBlock
        onCancelled:(void (^)(void)) cancelBlock;

// use this method to restore a purchase
- (void) restorePreviousTransactionsOnComplete:(void (^)(void)) completionBlock
                                       onError:(void (^)(NSError* error)) errorBlock;

// For consumable support
- (BOOL) canConsumeProduct:(NSString*) productName quantity:(int) quantity;
- (BOOL) consumeProduct:(NSString*) productName quantity:(int) quantity;
- (BOOL) isSubscriptionActive:(NSString*) featureId;

// for testing proposes you can use this method to remove all the saved keychain data (saved purchases, etc.)
- (BOOL) removeAllKeychainData;

// You wont' need this normally. MKStoreKit automatically takes care of remembering receipts.
// but in case you want the receipt data to be posted to your server, use this.
+(id) receiptForKey:(NSString*) key;
+(void) setObject:(id) object forKey:(NSString*) key;
+(NSNumber*) numberForKey:(NSString*) key;

@end
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