convert to swift 5

SwiftyStoreKit.xcodeproj/project.pbxproj

@@ -560,7 +560,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0820;
-				LastUpgradeCheck = 1000;
+				LastUpgradeCheck = 1020;
 				ORGANIZATIONNAME = musevisions;
 				TargetAttributes = {
 					54C0D52B1CF7404500F90BCE = {
@@ -574,7 +574,7 @@
 					};
 					6502F62C1B985C40004E342D = {
 						CreatedOnToolsVersion = 7.0;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 1020;
 					};
 					654287ED1E79F5A000F61800 = {
 						CreatedOnToolsVersion = 8.2.1;
@@ -597,7 +597,7 @@
 			};
 			buildConfigurationList = 6502F5F91B985833004E342D /* Build configuration list for PBXProject "SwiftyStoreKit" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
@@ -941,6 +941,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
@@ -997,6 +998,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
@@ -1093,6 +1095,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.musevisions.iOS.SwiftyStoreKit;
 				PRODUCT_NAME = SwiftyStoreKit;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -1118,6 +1121,7 @@
 				PRODUCT_NAME = SwiftyStoreKit;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";

SwiftyStoreKit.xcodeproj/xcshareddata/xcschemes/SwiftyStoreKit-iOS-Demo.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

SwiftyStoreKit.xcodeproj/xcshareddata/xcschemes/SwiftyStoreKit-iOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

SwiftyStoreKit.xcodeproj/xcshareddata/xcschemes/SwiftyStoreKit-macOS-Demo.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

SwiftyStoreKit.xcodeproj/xcshareddata/xcschemes/SwiftyStoreKit-macOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

SwiftyStoreKit.xcodeproj/xcshareddata/xcschemes/SwiftyStoreKit-tvOS-Demo.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

SwiftyStoreKit.xcodeproj/xcshareddata/xcschemes/SwiftyStoreKit-tvOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

SwiftyStoreKit.xcodeproj/xcshareddata/xcschemes/SwiftyStoreKitTests.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

SwiftyStoreKit/InAppReceiptRefreshRequest.swift

@@ -34,9 +34,9 @@ class InAppReceiptRefreshRequest: NSObject, SKRequestDelegate {
     }
 
     typealias RequestCallback = (ResultType) -> Void
-    typealias ReceiptRefresh = (_ receiptProperties: [String : Any]?, _ callback: @escaping RequestCallback) -> InAppReceiptRefreshRequest
+    typealias ReceiptRefresh = (_ receiptProperties: [String: Any]?, _ callback: @escaping RequestCallback) -> InAppReceiptRefreshRequest
 
-    class func refresh(_ receiptProperties: [String : Any]? = nil, callback: @escaping RequestCallback) -> InAppReceiptRefreshRequest {
+    class func refresh(_ receiptProperties: [String: Any]? = nil, callback: @escaping RequestCallback) -> InAppReceiptRefreshRequest {
         let request = InAppReceiptRefreshRequest(receiptProperties: receiptProperties, callback: callback)
         request.start()
         return request
@@ -49,7 +49,7 @@ class InAppReceiptRefreshRequest: NSObject, SKRequestDelegate {
         refreshReceiptRequest.delegate = nil
     }
 
-    init(receiptProperties: [String : Any]? = nil, callback: @escaping RequestCallback) {
+    init(receiptProperties: [String: Any]? = nil, callback: @escaping RequestCallback) {
         self.callback = callback
         self.refreshReceiptRequest = SKReceiptRefreshRequest(receiptProperties: receiptProperties)
         super.init()

SwiftyStoreKit/PaymentQueueController.swift

@@ -78,6 +78,7 @@ extension SKPaymentTransactionState: CustomDebugStringConvertible {
         case .failed: return "failed"
         case .restored: return "restored"
         case .deferred: return "deferred"
+        @unknown default: return "default"
         }
     }
 }

SwiftyStoreKit/PaymentsController.swift

@@ -33,9 +33,14 @@ struct Payment: Hashable {
     let simulatesAskToBuyInSandbox: Bool
     let callback: (TransactionResult) -> Void
 
-    var hashValue: Int {
-        return product.productIdentifier.hashValue
+    func hash(into hasher: inout Hasher) {
+        hasher.combine(product)
+        hasher.combine(quantity)
+        hasher.combine(atomically)
+        hasher.combine(applicationUsername)
+        hasher.combine(simulatesAskToBuyInSandbox)
     }
+    
     static func == (lhs: Payment, rhs: Payment) -> Bool {
         return lhs.product.productIdentifier == rhs.product.productIdentifier
     }
@@ -47,7 +52,7 @@ class PaymentsController: TransactionController {
 
     private func findPaymentIndex(withProductIdentifier identifier: String) -> Int? {
         for payment in payments where payment.product.productIdentifier == identifier {
-            return payments.index(of: payment)
+            return payments.firstIndex(of: payment)
         }
         return nil
     }

SwiftyStoreKit/SKProduct+LocalizedPrice.swift

@@ -27,7 +27,7 @@ import StoreKit
 
 public extension SKProduct {
 
-    public var localizedPrice: String? {
+    var localizedPrice: String? {
         return priceFormatter(locale: priceLocale).string(from: price)
     }
     

SwiftyStoreKit/SwiftyStoreKit+Types.swift

@@ -59,7 +59,7 @@ public protocol PaymentTransaction {
 }
 
 // Add PaymentTransaction conformance to SKPaymentTransaction
-extension SKPaymentTransaction : PaymentTransaction { }
+extension SKPaymentTransaction: PaymentTransaction { }
 
 // Products information
 public struct RetrieveResults {