make shop required for instantiation

Mobile Buy SDK/Mobile Buy SDK/Utils/BUYApplePayHelpers.h

@@ -34,17 +34,9 @@
 @class BUYCheckout;
 @class BUYShop;
 
-@interface BUYApplePayHelpers : NSObject <PKPaymentAuthorizationViewControllerDelegate>
+NS_ASSUME_NONNULL_BEGIN
 
-/**
- *  Initializes a helper to support Apple Pay
- *
- *  @param client   A configured client
- *  @param checkout The checkout which is to be completed using Apple Pay
- *
- *  @return helper object
- */
-- (instancetype)initWithClient:(BUYClient *)client checkout:(BUYCheckout *)checkout;
+@interface BUYApplePayHelpers : NSObject <PKPaymentAuthorizationViewControllerDelegate>
 
 /**
  *  Initializes a helper to support Apple Pay
@@ -132,3 +124,5 @@
 - (BUYAddress *)buyAddressWithContact:(PKContact *)contact NS_AVAILABLE_IOS(9_0);
 
 @end
+
+NS_ASSUME_NONNULL_END

Mobile Buy SDK/Mobile Buy SDK/Utils/BUYApplePayHelpers.m

@@ -51,11 +51,6 @@ const NSTimeInterval PollDelay = 0.5;
 
 @implementation BUYApplePayHelpers
 
-- (instancetype)initWithClient:(BUYClient *)client checkout:(BUYCheckout *)checkout
-{
-	return [self initWithClient:client checkout:checkout shop:nil];
-}
-
 - (instancetype)initWithClient:(BUYClient *)client checkout:(BUYCheckout *)checkout shop:(BUYShop *)shop
 {
 	NSParameterAssert(client);
@@ -66,25 +61,12 @@ const NSTimeInterval PollDelay = 0.5;
 	if (self) {
 		self.client = client;
 		self.checkout = checkout;
-		
-		// We need a shop object to display the business name in the pay sheet
-		if (shop) {
-			self.shop = shop;
-		}
-		else {
-			[self.client getShop:^(BUYShop *shop, NSError *error) {
-				
-				if (shop) {
-					self.shop = shop;
-				}
-			}];
-		}
+		self.shop = shop;
 	}
 	
 	return self;
 }
 
-
 #pragma mark - PKPaymentAuthorizationDelegate methods
 
 - (void)paymentAuthorizationViewController:(PKPaymentAuthorizationViewController *)controller