Fix fiat value display in UI when importing ticket

AlphaWallet.xcodeproj/project.pbxproj

@@ -324,8 +324,8 @@
 		5E7C75E81F85353844CACECC /* EnterSellTicketsPriceQuantityViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7F610139D24D947B1625 /* EnterSellTicketsPriceQuantityViewController.swift */; };
 		5E7C75F80A7E178B49830BCD /* TicketsViewControllerHeader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C796039C0F47CDCA236C0 /* TicketsViewControllerHeader.swift */; };
 		5E7C760C7D55C97424F55138 /* TicketTableViewCellViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C75F877B2F2E24C7EF258 /* TicketTableViewCellViewModel.swift */; };
+		5E7C760F9D7C178E17C75C52 /* ImportTicketViewControllerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7487BDF72352446E1266 /* ImportTicketViewControllerTests.swift */; };
 		5E7C764D3C130AAB26E80EC1 /* AmountTextField.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C73617E3A4C0B9A90A5F8 /* AmountTextField.swift */; };
-		5E7C76605A5102FBD376F32A /* ImportTicketViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7535095323B035CA47C0 /* ImportTicketViewController.swift */; };
 		5E7C76696EF7F27EC0788CDD /* GenerateTransferMagicLinkViewControllerViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7EEAAE9C23B68419E9F5 /* GenerateTransferMagicLinkViewControllerViewModel.swift */; };
 		5E7C7669BBE6255A2377E070 /* SetSellTicketsExpiryDateViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7962AE417E12F13FF58E /* SetSellTicketsExpiryDateViewController.swift */; };
 		5E7C7692C981580CD32228EB /* ChooseTicketTransferModeViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C70FB40612BB02594EC00 /* ChooseTicketTransferModeViewController.swift */; };
@@ -364,6 +364,7 @@
 		5E7C7AB2ECFB589632F2A26C /* WalletFilter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7E2DCCE0D775ECF83088 /* WalletFilter.swift */; };
 		5E7C7AB6950E43BD6E8D0CBE /* TokensViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7B3302309706CA0F972A /* TokensViewController.swift */; };
 		5E7C7AE1389D3179239249F0 /* ImportWalletTabBar.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C743172FCBDCD362C03A6 /* ImportWalletTabBar.swift */; };
+		5E7C7AE2EF04A23EC7C5ADFD /* ImportTicketViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7535095323B035CA47C0 /* ImportTicketViewController.swift */; };
 		5E7C7B0367CFB413C6885474 /* GenerateSellMagicLinkViewControllerViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C7624D6F7EA55F6F167B3 /* GenerateSellMagicLinkViewControllerViewModel.swift */; };
 		5E7C7B3E08EEA63C5B68B9C4 /* TicketRedemptionInfoViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C778F20D32B70D7FF2135 /* TicketRedemptionInfoViewController.swift */; };
 		5E7C7B4E3DEA90147A5A9E0A /* TokensDataStoreTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E7C71E355BD14E975AF7491 /* TokensDataStoreTest.swift */; };
@@ -846,6 +847,7 @@
 		5E7C741196D9D9C9C3EE5E30 /* LockCreatePasscodeViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LockCreatePasscodeViewController.swift; sourceTree = "<group>"; };
 		5E7C7419F47CC8B2996AA8F9 /* TransferTicketsQuantitySelectionViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TransferTicketsQuantitySelectionViewController.swift; sourceTree = "<group>"; };
 		5E7C743172FCBDCD362C03A6 /* ImportWalletTabBar.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ImportWalletTabBar.swift; sourceTree = "<group>"; };
+		5E7C7487BDF72352446E1266 /* ImportTicketViewControllerTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ImportTicketViewControllerTests.swift; sourceTree = "<group>"; };
 		5E7C74A2C738BF2412D412A7 /* TicketSellInfoViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TicketSellInfoViewController.swift; sourceTree = "<group>"; };
 		5E7C74B82783A94091A43470 /* EthTokenViewCellViewModel.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = EthTokenViewCellViewModel.swift; sourceTree = "<group>"; };
 		5E7C74B9EB81C51E956566E7 /* TokensDataStore.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TokensDataStore.swift; sourceTree = "<group>"; };
@@ -2440,6 +2442,14 @@
 			path = Models;
 			sourceTree = "<group>";
 		};
+		5E7C77C33FD8D5653F051136 /* ViewControllers */ = {
+			isa = PBXGroup;
+			children = (
+				5E7C7487BDF72352446E1266 /* ImportTicketViewControllerTests.swift */,
+			);
+			path = ViewControllers;
+			sourceTree = "<group>";
+		};
 		5E7C78E79A2C45A2124F259D /* Tokens */ = {
 			isa = PBXGroup;
 			children = (
@@ -2688,6 +2698,7 @@
 				76F1DE8ADA3176D0277EDF20 /* OrderSigningTests.swift */,
 				B1DC375E203AEB4800C9756D /* MarketQueueHandlerTests.swift */,
 				76F1D96298E216CBFC3DD78B /* UniversalLinkHandlerTests.swift */,
+				5E7C77C33FD8D5653F051136 /* ViewControllers */,
 			);
 			path = Market;
 			sourceTree = "<group>";
@@ -3624,7 +3635,6 @@
 				5E7C72E1D4B4B4C8443F3DA1 /* SendHeaderView.swift in Sources */,
 				5E7C713ACE8C72642B1C9F93 /* SendHeaderViewViewModel.swift in Sources */,
 				5E7C7376B566E5A59CC8F463 /* ImportTicketViewControllerViewModel.swift in Sources */,
-				5E7C76605A5102FBD376F32A /* ImportTicketViewController.swift in Sources */,
 				5E7C79F30A324D75DF42DDDE /* SellTicketsViewModel.swift in Sources */,
 				5E7C7E1B18EC7F7FD6D64439 /* SellTicketsViewController.swift in Sources */,
 				5E7C75E81F85353844CACECC /* EnterSellTicketsPriceQuantityViewController.swift in Sources */,
@@ -3688,6 +3698,7 @@
 				76F1DF0A4667F618D2BAE78C /* GetIsERC721Encode.swift in Sources */,
 				76F1D439D545AA9B7E686DCC /* ContractERC721Transfer.swift in Sources */,
 				5E7C79DE8864702C51C0A7CC /* ResultResult.swift in Sources */,
+				5E7C7AE2EF04A23EC7C5ADFD /* ImportTicketViewController.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -3768,6 +3779,7 @@
 				5E7C7705B09D780E84E2FDA5 /* XMLHandlerTest.swift in Sources */,
 				5E7C7D5843B705ACD26E9090 /* AssetDefinitionDiskBackingStoreWithOverridesTests.swift in Sources */,
 				5E7C71D1D16FE09032EB4B7E /* TokenObjectTest.swift in Sources */,
+				5E7C760F9D7C178E17C75C52 /* ImportTicketViewControllerTests.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

AlphaWallet/Market/ViewModels/ImportTicketViewControllerViewModel.swift

@@ -216,6 +216,7 @@ struct ImportTicketViewControllerViewModel {
         case .free:
             return ""
         case .paid(_, let dollarCost):
+            guard let dollarCost = dollarCost else { return "" }
             return "$\(dollarCost)"
         }
     }

AlphaWalletTests/Market/ViewControllers/ImportTicketViewControllerTests.swift

@@ -0,0 +1,28 @@
+//Copyright © 2018 Stormbird PTE. LTD.
+
+import FBSnapshotTestCase
+@testable import Trust
+import UIKit
+
+class ImportTicketViewControllerTests: FBSnapshotTestCase {
+    override func setUp() {
+        super.setUp()
+        isDeviceAgnostic = true
+        recordMode = false
+    }
+
+    func testImportTicketViewControllerDisplay() {
+        let controller = ImportTicketViewController(config: Config())
+        var viewModel: ImportTicketViewControllerViewModel = .init(state: .validating)
+        let ticket = Ticket(id: "1", index: 1, city: "", name: "", venue: "", match: 9, date: GeneralisedTime(string: "20010203160500+0300")!, seatId: 1, category: "MATCH CLUB", countryA: "Team A", countryB: "Team B")
+        let ticketHolder = TokenHolder(tickets: [ticket], status: .available, contractAddress: "0x1")
+        let cost: ImportTicketViewControllerViewModel.Cost = .paid(eth: Decimal(1), dollar: Decimal(400))
+
+        viewModel.ticketHolder = ticketHolder
+        viewModel.state = .promptImport
+        viewModel.cost = cost
+        controller.configure(viewModel: viewModel)
+
+        FBSnapshotVerifyView(controller.view)
+    }
+}