Merge branch 'master' into fix-crash-when-resume-iphone-x

Trust.xcodeproj/project.pbxproj

@@ -331,6 +331,7 @@
 		5E7C776BE1B19F824954962D /* BaseTicketTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7F5C10E3895E805EA7E0 /* BaseTicketTableViewCell.swift */; };
 		5E7C776CF721EBBD43195926 /* GenerateSellMagicLinkViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C79CF6150E4CD4A276FC0 /* GenerateSellMagicLinkViewController.swift */; };
 		5E7C7793AB6B577906F2BCA3 /* SettingsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7AFE9AF9FE6B58C925D4 /* SettingsViewController.swift */; };
+		5E7C77A8425E0AFAB11F1FCD /* PromptBackupCoordinator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7ADD0FBE8708A6E98AF8 /* PromptBackupCoordinator.swift */; };
 		5E7C77AD9FAAC18211B6F355 /* TransferTicketsQuantitySelectionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7419F47CC8B2996AA8F9 /* TransferTicketsQuantitySelectionViewController.swift */; };
 		5E7C77E844D710D7AFBC58D4 /* RequestViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C74DCC21272EC231A20E2 /* RequestViewController.swift */; };
 		5E7C783B4784DE76971EEBB4 /* StatusViewControllerViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7BD9B4BDAFC2D9EBD741 /* StatusViewControllerViewModel.swift */; };
@@ -859,6 +860,7 @@
 		5E7C7A65F6033318F7C8AEB0 /* DateEntryField.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DateEntryField.swift; sourceTree = "<group>"; };
 		5E7C7AB3440C01136DF4F3E9 /* LockCreatePasscodeCoordinator.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LockCreatePasscodeCoordinator.swift; sourceTree = "<group>"; };
 		5E7C7ACB94CEE493AC37487F /* TicketRowView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TicketRowView.swift; sourceTree = "<group>"; };
+		5E7C7ADD0FBE8708A6E98AF8 /* PromptBackupCoordinator.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PromptBackupCoordinator.swift; sourceTree = "<group>"; };
 		5E7C7AE6FAE0DF969B4F52E9 /* ContactUsBannerView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ContactUsBannerView.swift; sourceTree = "<group>"; };
 		5E7C7AF9A592D7224ED58016 /* OnboardingPageStyle.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = OnboardingPageStyle.swift; sourceTree = "<group>"; };
 		5E7C7AFE9AF9FE6B58C925D4 /* SettingsViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SettingsViewController.swift; sourceTree = "<group>"; };
@@ -1491,6 +1493,7 @@
 			isa = PBXGroup;
 			children = (
 				29DBF2A21F9DBFF400327C60 /* BackupCoordinator.swift */,
+				5E7C7ADD0FBE8708A6E98AF8 /* PromptBackupCoordinator.swift */,
 			);
 			path = Coordinators;
 			sourceTree = "<group>";
@@ -3592,6 +3595,7 @@
 				5E7C75E5C64619ABFD246183 /* TransferTicketsViaWalletAddressViewController.swift in Sources */,
 				5E7C7EAEBB435F3909DA36FB /* TransferTicketsViaWalletAddressViewControllerViewModel.swift in Sources */,
 				5E7C7CCC8D376C6E5C245715 /* EthCurrencyHelper.swift in Sources */,
+				5E7C77A8425E0AFAB11F1FCD /* PromptBackupCoordinator.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

Trust/Export/Coordinators/PromptBackupCoordinator.swift

@@ -0,0 +1,54 @@
+// Copyright © 2018 Stormbird PTE. LTD.
+
+import UIKit
+
+protocol PromptBackupCoordinatorDelegate: class {
+    func viewControllerForPresenting(in coordinator: PromptBackupCoordinator) -> UIViewController?
+    func didFinish(in coordinator: PromptBackupCoordinator)
+}
+
+class PromptBackupCoordinator: Coordinator {
+    var coordinators: [Coordinator] = []
+    weak var delegate: PromptBackupCoordinatorDelegate?
+
+    func start() {
+        let keystore = try! EtherKeystore()
+        guard let vc = delegate?.viewControllerForPresenting(in: self) else {
+            finish()
+            return
+        }
+        let coordinator = WalletCoordinator(keystore: keystore)
+        coordinator.delegate = self
+        let proceed = coordinator.start(.backupWallet)
+        guard proceed else {
+            finish()
+            return
+        }
+        vc.present(coordinator.navigationController, animated: true, completion: nil)
+        addCoordinator(coordinator)
+    }
+
+    func finish() {
+        delegate?.didFinish(in: self)
+    }
+}
+
+extension PromptBackupCoordinator: WalletCoordinatorDelegate {
+    func didFinish(with account: Wallet, in coordinator: WalletCoordinator) {
+        coordinator.navigationController.dismiss(animated: true, completion: nil)
+        removeCoordinator(coordinator)
+        finish()
+    }
+
+    func didFail(with error: Error, in coordinator: WalletCoordinator) {
+        coordinator.navigationController.dismiss(animated: true, completion: nil)
+        removeCoordinator(coordinator)
+        finish()
+    }
+
+    func didCancel(in coordinator: WalletCoordinator) {
+        coordinator.navigationController.dismiss(animated: true, completion: nil)
+        removeCoordinator(coordinator)
+        finish()
+    }
+}

Trust/InCoordinator.swift

@@ -205,6 +205,23 @@ class InCoordinator: Coordinator {
 		hideTitlesInTabBarController(tabBarController: tabBarController)
 
         showTab(inCoordinatorViewModel.initialTab)
+
+
+        let etherToken = TokensDataStore.etherToken(for: config)
+        tokensStorage.tokensModel.subscribe {[weak self] tokensModel in
+            guard let tokens = tokensModel, let eth = tokens.first(where: { $0 == etherToken }) else {
+                return
+            }
+            guard let balance = BigInt(eth.value), !(balance.isZero) else { return }
+            self?.promptBackupWallet()
+        }
+    }
+
+    private func promptBackupWallet() {
+        let coordinator = PromptBackupCoordinator()
+        addCoordinator(coordinator)
+        coordinator.delegate = self
+        coordinator.start()
     }
 
     private func hideTitlesInTabBarController(tabBarController: UITabBarController) {
@@ -548,3 +565,12 @@ extension InCoordinator: PaymentCoordinatorDelegate {
     }
 }
 
+extension InCoordinator: PromptBackupCoordinatorDelegate {
+    func viewControllerForPresenting(in coordinator: PromptBackupCoordinator) -> UIViewController? {
+        return navigationController
+    }
+
+    func didFinish(in coordinator: PromptBackupCoordinator) {
+        removeCoordinator(coordinator)
+    }
+}

Trust/Market/Coordinators/UniversalLinkCoordinator.swift

@@ -261,6 +261,14 @@ class UniversalLinkCoordinator: Coordinator {
 
 	private func showImportSuccessful() {
 		updateImportTicketController(with: .succeeded)
+		promptBackupWallet()
+	}
+
+	private func promptBackupWallet() {
+		let coordinator = PromptBackupCoordinator()
+		addCoordinator(coordinator)
+		coordinator.delegate = self
+		coordinator.start()
 	}
 
 	private func showImportError(errorMessage: String) {
@@ -317,3 +325,13 @@ extension UniversalLinkCoordinator: ImportTicketViewControllerDelegate {
         }
 	}
 }
+
+extension UniversalLinkCoordinator: PromptBackupCoordinatorDelegate {
+	func viewControllerForPresenting(in coordinator: PromptBackupCoordinator) -> UIViewController? {
+		return delegate?.viewControllerForPresenting(in: self)
+	}
+
+	func didFinish(in coordinator: PromptBackupCoordinator) {
+		removeCoordinator(coordinator)
+	}
+}

Trust/Settings/Types/Config.swift

@@ -10,6 +10,7 @@ struct Config {
         static let isDebugEnabled = "isDebugEnabled"
         static let currencyID = "currencyID"
         static let dAppBrowser = "dAppBrowser"
+        static let walletAddressesAlreadyPromptedForBackUp = "walletAddressesAlreadyPromptedForBackUp "
     }
 
     let defaults: UserDefaults
@@ -97,4 +98,33 @@ struct Config {
         }()
         return URL(string: urlString)!
     }
+
+    var walletAddressesAlreadyPromptedForBackUp: [String] {
+        if let addresses = defaults.array(forKey: Keys.walletAddressesAlreadyPromptedForBackUp) {
+            return addresses as! [String]
+        } else {
+            return []
+        }
+    }
+
+    func addToWalletAddressesAlreadyPromptedForBackup(address: String) {
+        var addresses: [String]
+        if let value = defaults.array(forKey: Keys.walletAddressesAlreadyPromptedForBackUp) {
+            addresses = value as! [String]
+        } else {
+            addresses = [String]()
+        }
+        addresses.append(address)
+        defaults.setValue(addresses, forKey: Keys.walletAddressesAlreadyPromptedForBackUp)
+    }
+
+    func isWalletAddresseAlreadyPromptedForBackUp(address: String) -> Bool {
+        if let value = defaults.array(forKey: Keys.walletAddressesAlreadyPromptedForBackUp) {
+            let addresses = value as! [String]
+            return addresses.contains(address)
+        } else {
+            return false
+        }
+    }
+
 }

Trust/Wallet/Coordinators/InitialWalletCreationCoordinator.swift

@@ -33,6 +33,8 @@ class InitialWalletCreationCoordinator: Coordinator {
             showCreateWallet()
         case .importWallet:
             presentImportWallet()
+        case .backupWallet:
+            break
         }
     }
 

Trust/Wallet/Coordinators/WalletCoordinator.swift

@@ -26,7 +26,8 @@ class WalletCoordinator: Coordinator {
         self.keystore = keystore
     }
 
-    func start(_ entryPoint: WalletEntryPoint) {
+    //Return true if proceed
+    func start(_ entryPoint: WalletEntryPoint) -> Bool {
         self.entryPoint = entryPoint
         switch entryPoint {
         case .welcome:
@@ -41,7 +42,16 @@ class WalletCoordinator: Coordinator {
             navigationController.viewControllers = [controller]
         case .createInstantWallet:
             createInstantWallet()
+        case .backupWallet:
+            if let type = keystore.recentlyUsedWallet?.type, case let .real(account) = type {
+                guard !Config().isWalletAddresseAlreadyPromptedForBackUp(address: account.address.eip55String) else { return false }
+                Config().addToWalletAddressesAlreadyPromptedForBackup(address: account.address.eip55String)
+                pushBackup(for: account)
+            } else {
+                return false
+            }
         }
+        return true
     }
 
     func pushImportWallet() {

Trust/Wallet/Types/WalletEntryPoint.swift

@@ -6,4 +6,5 @@ enum WalletEntryPoint {
     case welcome
     case createInstantWallet
     case importWallet
+    case backupWallet
 }