In App Purchase module :)

// CONFIGURATION STARTS -- Change this in your app
//#define kConsumableBaseFeatureId @"com.mycompany.myapp."
//#define kFeatureAId @"com.mycompany.myapp.featureA"
//#define kConsumableFeatureBId @"com.mycompany.myapp.005"
// consumable features should have only number as the last part of the product name
// MKStoreKit automatically keeps track of the count of your consumable product

Function consumeProduct:Bool(product$, quantity)

Function consumeProduct:Bool(product$)

/main.build/ios/main.mm: In function 'void -[MKStoreObserver completeTransaction:](MKStoreObserver*, objc_selector*, SKPaymentTransaction*)':
/main.build/ios/main.mm:3754: warning: 'MKStoreManager' may not respond to '-provideContent:forReceipt:'
/main.build/ios/main.mm:3754: warning: (Messages without a matching method signature
/main.build/ios/main.mm:3754: warning: will be assumed to return 'id' and accept
/main.build/ios/main.mm:3754: warning: '...' as arguments.)
/main.build/ios/main.mm: In function 'void -[MKStoreObserver restoreTransaction:](MKStoreObserver*, objc_selector*, SKPaymentTransaction*)':
/main.build/ios/main.mm:3766: warning: 'MKStoreManager' may not respond to '-provideContent:forReceipt:'
/main.build/ios/main.mm: In function 'void -[MKStoreManager buyFeature:](MKStoreManager*, objc_selector*, NSString*)':
/main.build/ios/main.mm:3998: warning: 'MKStoreManager' may not respond to '-canCurrentDeviceUseFeature:'
/main.build/ios/main.mm:4008: warning: 'MKStoreManager' may not respond to '-enableContentForThisSession:'
/main.build/ios/main.mm: In function 'void -[MKStoreManager provideContent:forReceipt:](MKStoreManager*, objc_selector*, NSString*, NSData*)':
/main.build/ios/main.mm:4078: warning: 'MKStoreManager' may not respond to '-verifyReceipt:'
/main.build/ios/main.mm: At global scope:
/main.build/ios/main.mm:4258: warning: property 'productsList' requires method '-productsList' to be defined - use @synthesize, @dynamic or provide a method implementation
/main.build/ios/main.mm: In function 'bool consumeProduct(String)':
/main.build/ios/main.mm:4345: warning: 'MKStoreManager' may not respond to '-consumeProduct:'

If double_btn.Pressed
	
	consumeProduct("com.company.app.001")
					
Endif

If canConsumeProduct("com.company.app.001")

	Coins = Coins * 2

EndIf

If double_btn.Pressed		
	
      *consumeProduct or buyProduct?*

Endif
			
If *what function to check if it was bought?*

      Coins = Coins * 2

Endif

InitInAppPurchases( "com.mycompany.bundleid.", ["com.mycompany.bundleid.prod1"] )

buyProduct( "com.mycompany.bundleid.prod1" )

-------main cycle

If buyfullversion_btn.Pressed		
	
	buyProduct("com.yourcompany.yourapp.fullversion")
	CheckBuy = True
	
Endif
		
If CheckBuy And isProductPurchased("com.yourcompany.yourapp.fullversion")
	
	CheckBuy = False
	
	'Code to unlock full version
	FullVersion = True
	
Endif

-------main cycle

// CONFIGURATION STARTS -- Change this in your app
//#define kConsumableBaseFeatureId @"com.mycompany.myapp."
//#define kFeatureAId @"com.mycompany.myapp.featureA"
//#define kConsumableFeatureBId @"com.mycompany.myapp.005"
// consumable features should have only number as the last part of the product name
// MKStoreKit automatically keeps track of the count of your consumable product

Import iap

#If TARGET="ios"
	'Initialise the mod with your bundle id and the list of products
	InitInAppPurchases("com.newstargames.newstarsoccer.", ["com.newstargames.newstarsoccer.careermode", 
"com.newstargames.newstarsoccer.starbux_1.1"])

	'gIAP_CareerMode is just a flag to record if the career mode is locked or not
	If isProductPurchased("com.newstargames.newstarsoccer.careermode")	
		gIAP_CareerMode = True
		TPlayer.SaveGlobalData()
	End
#End

buyProduct("com.newstargames.newstarsoccer.careermode")

buyProduct("com.newstargames.newstarsoccer.starbux_1.1")

Function Update()
	If isPurchaseInProgress()
		spinner += 1.0				' Rotate spinning star
		If spinner > 360 Then spinner = 1
	Elseif spinner > 0
		' Purchase was initiated but is no longer in progress, so check for purchase
		If Not gIAP_CareerMode And isProductPurchased("com.newstargames.newstarsoccer.careermode")
			gIAP_CareerMode = True
			PlayMySound(sndCash, CHN_FX)
			TPlayer.SaveGlobalData()
			
		Elseif canConsumeProduct("com.newstargames.newstarsoccer.starbux_1") ' Note! .1 is not needed here
			' Consumable products should be consumed
			consumeProduct("com.newstargames.newstarsoccer.starbux_1")

			' And the "units" should be stored in the save file
			PlayMySound(sndCash, CHN_FX)
			player.UpdateBank(25)
		End
		
		spinner = 0	' Reset spinner
		RefreshShop()	' This will update the shop items and bank label to show what has been purchased
	End
End

Function Draw()
	If spinner > 0
		' Darken screen
		SetAlpha(0.5)
		SetColor(0,0,0)
		DrawRect(0, 0, gGuiW, gGuiH)
		
		' Draw spinning star
		SetAlpha(1)
		SetColor(255,255,255)
		DrawImage(imgStar128, gGuiW - 72, 72, spinner, 1, 1)
	End
End

/Users/User/Desktop/monkeySundao/Sundao/main.build/ios/main.mm:4354:1: warning: autosynthesized property 'productsList' will use synthesized instance variable '_productsList', not existing instance variable 'productsList' [-Wobjc-autosynthesis-property-ivar-name-match]
@implementation MKStoreManager
^
/Users/User/Desktop/monkeySundao/Sundao/main.build/ios/main.mm:4209:25: note: property declared here
@property (copy) NSSet *productsList;
** BUILD FAILED **

' IMPORTANT: If your app is not "Waiting for review" in iTunes Connect you won't be able to test In App Purchases. Once you get that status you can reject your binary and test peacefully. How weird! 

NSLog(@"You are running in Simulator MKStoreKit runs only on devices");

2014-02-26 18:00:59.112 MonkeyGame[5111:60b] state failed
2014-02-26 18:00:59.114 MonkeyGame[5111:60b] SKErrorUnknown