Migration from StoreKit 1 to StoreKit 2

IVPNClient.xcodeproj/xcshareddata/xcschemes/IVPNClient.xcscheme

@@ -109,6 +109,9 @@
             isEnabled = "YES">
          </EnvironmentVariable>
       </EnvironmentVariables>
+      <StoreKitConfigurationFileReference
+         identifier = "../../IVPNClient/Store.storekit">
+      </StoreKitConfigurationFileReference>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Debug"

IVPNClient/AppDelegate.swift

@@ -80,20 +80,6 @@ class AppDelegate: UIResponder {
         FileSystemManager.createLogFiles()
     }
 
-    private func finishIncompletePurchases() {
-        guard Application.shared.authentication.isLoggedIn || KeyChain.tempUsername != nil else {
-            return
-        }
-
-        IAPManager.shared.finishIncompletePurchases { serviceStatus, _ in
-            guard let viewController = UIApplication.topViewController() else { return }
-
-            if let serviceStatus = serviceStatus {
-                viewController.showSubscriptionActivatedAlert(serviceStatus: serviceStatus)
-            }
-        }
-    }
-
     private func resetLastPingTimestamp() {
         UserDefaults.shared.set(0, forKey: "LastPingTimestamp")
     }
@@ -284,6 +270,11 @@ class AppDelegate: UIResponder {
             }
         }
     }
+
+    private func startPurchaseObserver() {
+        PurchaseManager.shared.delegate = self
+        PurchaseManager.shared.startObserver()
+    }
 
 }
 
@@ -294,10 +285,10 @@ extension AppDelegate: UIApplicationDelegate {
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         evaluateUITests()
         registerUserDefaults()
-        finishIncompletePurchases()
         createLogFiles()
         resetLastPingTimestamp()
         clearURLCache()
+        startPurchaseObserver()
         DNSManager.shared.loadProfile { _ in }
 
         return true
@@ -402,3 +393,49 @@ extension AppDelegate: UIApplicationDelegate {
     }
 
 }
+
+// MARK: - PurchaseManagerDelegate -
+
+extension AppDelegate: PurchaseManagerDelegate {
+
+    func purchaseStart() {
+
+    }
+
+    func purchasePending() {
+        DispatchQueue.main.async {
+            guard let viewController = UIApplication.topViewController() else {
+                return
+            }
+
+            viewController.showAlert(title: "Pending payment", message: "Payment is pending for approval. We will complete the transaction as soon as payment is approved.")
+        }
+    }
+
+    func purchaseSuccess(activeUntil: String, extended: Bool) {
+        guard extended else {
+            return
+        }
+
+        DispatchQueue.main.async {
+            guard let viewController = UIApplication.topViewController() else {
+                return
+            }
+
+            viewController.showSubscriptionActivatedAlert(activeUntil: activeUntil)
+        }
+    }
+
+    func purchaseError(error: Any?) {
+        DispatchQueue.main.async {
+            guard let viewController = UIApplication.topViewController() else {
+                return
+            }
+
+            if let error = error as? ErrorResult {
+                viewController.showErrorAlert(title: "Error", message: error.message)
+            }
+        }
+    }
+
+}

IVPNClient/Config/Config.swift

@@ -37,10 +37,10 @@ struct Config {
     static let apiSessionDelete = "/v4/session/delete"
     static let apiSessionWGKeySet = "/v4/session/wg/set"
     static let apiAccountNew = "/v4/account/new"
-    static let apiPaymentInitial = "/v4/account/payment/ios/initial"
-    static let apiPaymentAdd = "/v4/account/payment/ios/add"
-    static let apiPaymentAddLegacy = "/v2/mobile/ios/subscription-purchased"
-    static let apiPaymentRestore = "/v4/account/payment/ios/restore"
+    static let apiPaymentInitial = "/v5/account/payment/ios/initial"
+    static let apiPaymentAdd = "/v5/account/payment/ios/add"
+    static let apiPaymentRestore = "/v5/account/payment/ios/restore"
+    static let apiPaymentAddLegacy = "/v2/mobile/ios/subscription-purchased-v2"
 
     static let urlTypeLogin = "login"
     static let urlTypeConnect = "connect"

IVPNClient/Enums/ApiResults/SessionStatus.swift

@@ -26,6 +26,7 @@ import Foundation
 struct SessionStatus: Decodable {
     let status: Int
     let deviceName: String?
+    let extended: Bool?
     let serviceStatus: ServiceStatus
 
     var serviceActive: Bool {