Wallet improvements

Telegram_Buck.xcworkspace/xcshareddata/xcschemes/Telegram_Buck+IntentsExtension.xcscheme

@@ -44,6 +44,8 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -65,6 +67,8 @@
             ReferencedContainer = "container:Project.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

Telegram_Buck.xcworkspace/xcshareddata/xcschemes/Telegram_Buck+NotificationContentExtension.xcscheme

@@ -44,6 +44,8 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -65,6 +67,8 @@
             ReferencedContainer = "container:Project.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

Telegram_Buck.xcworkspace/xcshareddata/xcschemes/Telegram_Buck+NotificationServiceExtension.xcscheme

@@ -44,6 +44,8 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -65,6 +67,8 @@
             ReferencedContainer = "container:Project.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

Telegram_Buck.xcworkspace/xcshareddata/xcschemes/Telegram_Buck+ShareExtension.xcscheme

@@ -44,6 +44,8 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -65,6 +67,8 @@
             ReferencedContainer = "container:Project.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

Telegram_Buck.xcworkspace/xcshareddata/xcschemes/Telegram_Buck+WidgetExtension.xcscheme

@@ -44,6 +44,8 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -65,6 +67,8 @@
             ReferencedContainer = "container:Project.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

Telegram_Buck.xcworkspace/xcshareddata/xcschemes/Telegram_Buck.xcscheme

@@ -2549,6 +2549,8 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -2570,6 +2572,8 @@
             ReferencedContainer = "container:Project.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

submodules/AccountContext/Sources/AccountContext.swift

@@ -167,6 +167,7 @@ public enum ResolvedUrl {
     case share(url: String?, text: String?, to: String?)
     case wallpaper(WallpaperUrlParameter)
     case theme(String)
+    case wallet(address: String, amount: Int64?, comment: String?)
 }
 
 public enum NavigateToChatKeepStack {
@@ -368,6 +369,11 @@ public final class ContactSelectionControllerParams {
     }
 }
 
+public enum OpenWalletContext {
+    case generic
+    case send(address: String, amount: Int64?, comment: String?)
+}
+
 public let defaultContactLabel: String = "_$!<Mobile>!$_"
 
 public enum CreateGroupMode {
@@ -434,6 +440,7 @@ public protocol SharedAccountContext: class {
     func openAddContact(context: AccountContext, firstName: String, lastName: String, phoneNumber: String, label: String, present: @escaping (ViewController, Any?) -> Void, pushController: @escaping (ViewController) -> Void, completed: @escaping () -> Void)
     func openAddPersonContact(context: AccountContext, peerId: PeerId, pushController: @escaping (ViewController) -> Void, present: @escaping (ViewController, Any?) -> Void)
     func presentContactsWarningSuppression(context: AccountContext, present: (ViewController, Any?) -> Void)
+    func openWallet(context: AccountContext, walletContext: OpenWalletContext, present: @escaping (ViewController) -> Void)
     
     func navigateToCurrentCall()
     var hasOngoingCall: ValuePromise<Bool> { get }

submodules/Camera/Sources/Camera.swift

@@ -60,11 +60,13 @@ private final class CameraContext {
         self.session.startRunning()
     }
     
-    func stopCapture() {
-        self.session.beginConfiguration()
-        self.input.invalidate(for: self.session)
-        self.output.invalidate(for: self.session)
-        self.session.commitConfiguration()
+    func stopCapture(invalidate: Bool = false) {
+        if invalidate {
+            self.session.beginConfiguration()
+            self.input.invalidate(for: self.session)
+            self.output.invalidate(for: self.session)
+            self.session.commitConfiguration()
+        }
         
         self.session.stopRunning()
     }
@@ -143,10 +145,10 @@ public final class Camera {
         }
     }
     
-    public func stopCapture() {
+    public func stopCapture(invalidate: Bool = false) {
         self.queue.async {
             if let context = self.contextRef?.takeUnretainedValue() {
-                context.stopCapture()
+                context.stopCapture(invalidate: invalidate)
             }
         }
     }

submodules/ContextUI/Sources/ContextController.swift

@@ -813,9 +813,9 @@ private final class ContextControllerNode: ViewControllerTracingNode, UIScrollVi
                 if #available(iOSApplicationExtension 10.0, iOS 10.0, *) {
                     self.displayLinkAnimator = DisplayLinkAnimator(duration: 0.2 * animationDurationFactor * UIView.animationDurationFactor(), from: 0.0, to: 0.999, update: { [weak self] value in
                         (self?.propertyAnimator as? UIViewPropertyAnimator)?.fractionComplete = value
-                        }, completion: {
-                            completedEffect = true
-                            intermediateCompletion()
+                    }, completion: {
+                        completedEffect = true
+                        intermediateCompletion()
                     })
                 }
                 self.effectView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.05 * animationDurationFactor, delay: 0.15, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue, removeOnCompletion: false)

submodules/ItemListUI/Sources/ItemListController.swift

@@ -524,8 +524,8 @@ open class ItemListController<Entry: ItemListNodeEntry>: ViewController, KeyShor
         }
     }
     
-    public func ensureItemNodeVisible(_ itemNode: ListViewItemNode) {
-        (self.displayNode as! ItemListControllerNode<Entry>).listNode.ensureItemNodeVisible(itemNode)
+    public func ensureItemNodeVisible(_ itemNode: ListViewItemNode, animated: Bool = true) {
+        (self.displayNode as! ItemListControllerNode<Entry>).listNode.ensureItemNodeVisible(itemNode, animated: animated)
     }
     
     public func afterLayout(_ f: @escaping () -> Void) {

submodules/ItemListUI/Sources/Items/ItemListMultilineInputItem.swift

@@ -37,12 +37,14 @@ public class ItemListMultilineInputItem: ListViewItem, ItemListItem {
     let action: (() -> Void)?
     let textUpdated: (String) -> Void
     let shouldUpdateText: (String) -> Bool
+    let processPaste: ((String) -> Void)?
+    let updatedFocus: ((Bool) -> Void)?
     let maxLength: ItemListMultilineInputItemTextLimit?
     let minimalHeight: CGFloat?
     let inlineAction: ItemListMultilineInputInlineAction?
     public let tag: ItemListItemTag?
     
-    public init(theme: PresentationTheme, text: String, placeholder: String, maxLength: ItemListMultilineInputItemTextLimit?, sectionId: ItemListSectionId, style: ItemListStyle, capitalization: Bool = true, autocorrection: Bool = true, returnKeyType: UIReturnKeyType = .default, minimalHeight: CGFloat? = nil, textUpdated: @escaping (String) -> Void, shouldUpdateText: @escaping (String) -> Bool = { _ in return true }, tag: ItemListItemTag? = nil, action: (() -> Void)? = nil, inlineAction: ItemListMultilineInputInlineAction? = nil) {
+    public init(theme: PresentationTheme, text: String, placeholder: String, maxLength: ItemListMultilineInputItemTextLimit?, sectionId: ItemListSectionId, style: ItemListStyle, capitalization: Bool = true, autocorrection: Bool = true, returnKeyType: UIReturnKeyType = .default, minimalHeight: CGFloat? = nil, textUpdated: @escaping (String) -> Void, shouldUpdateText: @escaping (String) -> Bool = { _ in return true }, processPaste: ((String) -> Void)? = nil, updatedFocus: ((Bool) -> Void)? = nil, tag: ItemListItemTag? = nil, action: (() -> Void)? = nil, inlineAction: ItemListMultilineInputInlineAction? = nil) {
         self.theme = theme
         self.text = text
         self.placeholder = placeholder
@@ -55,6 +57,8 @@ public class ItemListMultilineInputItem: ListViewItem, ItemListItem {
         self.minimalHeight = minimalHeight
         self.textUpdated = textUpdated
         self.shouldUpdateText = shouldUpdateText
+        self.processPaste = processPaste
+        self.updatedFocus = updatedFocus
         self.tag = tag
         self.action = action
         self.inlineAction = inlineAction
@@ -365,15 +369,27 @@ public class ItemListMultilineInputItemNode: ListViewItemNode, ASEditableTextNod
         self.textClippingNode.frame = CGRect(origin: CGPoint(x: leftInset, y: textTopInset), size: CGSize(width: max(0.0, params.width - leftInset - params.rightInset), height: max(0.0, contentSize.height - textTopInset - textBottomInset)))
     }
     
+    public func editableTextNodeDidBeginEditing(_ editableTextNode: ASEditableTextNode) {
+        self.item?.updatedFocus?(true)
+    }
+    
+    public func editableTextNodeDidFinishEditing(_ editableTextNode: ASEditableTextNode) {
+        self.item?.updatedFocus?(false)
+    }
+    
     public func editableTextNode(_ editableTextNode: ASEditableTextNode, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
         if let item = self.item {
+            if text.count > 1, let processPaste = item.processPaste {
+                processPaste(text)
+                return false
+            }
+            
             if let action = item.action, text == "\n" {
                 action()
                 return false
             }
             
-            var newText: String = editableTextNode.textView.text
-            newText.replaceSubrange(newText.index(newText.startIndex, offsetBy: range.lowerBound) ..< newText.index(newText.startIndex, offsetBy: range.upperBound), with: text)
+            let newText = (editableTextNode.textView.text as NSString).replacingCharacters(in: range, with: text)
             if !item.shouldUpdateText(newText) {
                 return false
             }

submodules/ItemListUI/Sources/Items/ItemListSingleLineInputItem.swift

@@ -400,8 +400,7 @@ public class ItemListSingleLineInputItemNode: ListViewItemNode, UITextFieldDeleg
     
     @objc public func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
         if let item = self.item {
-            var newText = textField.text ?? ""
-            newText.replaceSubrange(newText.index(newText.startIndex, offsetBy: range.lowerBound) ..< newText.index(newText.startIndex, offsetBy: range.upperBound), with: string)
+            let newText = ((textField.text ?? "") as NSString).replacingCharacters(in: range, with: string)
             if !item.shouldUpdateText(newText) {
                 return false
             }

submodules/LegacyComponents/LegacyComponents/TGMediaPickerPhotoCounterButton.m

@@ -66,7 +66,7 @@ const CGFloat TGPhotoCounterButtonMaskFade = 18;
         _backgroundView.image = backgroundImage;
         [_wrapperView addSubview:_backgroundView];
     
-        _countLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, -0.5f, frame.size.width, frame.size.height)];
+        _countLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, -0.5f, frame.size.width + 1.0, frame.size.height)];
         _countLabel.backgroundColor = [UIColor clearColor];
         _countLabel.font = [TGFont roundedFontOfSize:17];
         _countLabel.text = [TGStringUtils stringWithLocalizedNumber:0];
@@ -292,7 +292,7 @@ const CGFloat TGPhotoCounterButtonMaskFade = 18;
     if (sizeToFit)
         [_countLabel sizeToFit];
     
-    CGFloat labelWidth = CGRound(_countLabel.frame.size.width);
+    CGFloat labelWidth = ceilf(_countLabel.frame.size.width);
     CGFloat labelOrigin = 0.0f;
 
     if (![self _useRtlLayout])

submodules/QrCode/Sources/QrCode.swift

@@ -10,7 +10,7 @@ public enum QrCodeIcon {
     case custom(UIImage?)
 }
 
-public func qrCode(string: String, color: UIColor, backgroundColor: UIColor? = nil, icon: QrCodeIcon, ecl: String = "M", scale: CGFloat = 0.0) -> Signal<(TransformImageArguments) -> DrawingContext?, NoError> {
+public func qrCode(string: String, color: UIColor, backgroundColor: UIColor? = nil, icon: QrCodeIcon, ecl: String = "M") -> Signal<(TransformImageArguments) -> DrawingContext?, NoError> {
     return Signal<CIImage, NoError> { subscriber in
         if let data = string.data(using: .isoLatin1, allowLossyConversion: false), let filter = CIFilter(name: "CIQRCodeGenerator") {
             filter.setValue(data, forKey: "inputMessage")
@@ -25,7 +25,7 @@ public func qrCode(string: String, color: UIColor, backgroundColor: UIColor? = n
     }
     |> map { inputImage in
         return { arguments in
-            let context = DrawingContext(size: arguments.drawingSize, scale: scale, clear: true)
+            let context = DrawingContext(size: arguments.drawingSize, scale: arguments.scale ?? 0.0, clear: true)
             
             let drawingRect = arguments.drawingRect
             let fittedSize = arguments.imageSize.aspectFilled(arguments.boundingSize).fitted(arguments.imageSize)

submodules/SSignalKit/SwiftSignalKit/SwiftSignalKit.xcodeproj/xcshareddata/xcschemes/SwiftSignalKit.xcscheme

@@ -29,6 +29,8 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -40,6 +42,17 @@
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "E66DC04E89A74F8D00000000"
+            BuildableName = "libSwiftSignalKit.dylib"
+            BlueprintName = "SwiftSignalKit#shared"
+            ReferencedContainer = "container:SwiftSignalKit.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

submodules/SettingsUI/Sources/Data and Storage/ShareProxyServerActionSheetController.swift

@@ -38,10 +38,10 @@ public final class ShareProxyServerActionSheetController: ActionSheetController
         }))
         items.append(ActionSheetButtonItem(title: strings.SocksProxySetup_ShareQRCode, action: { [weak self] in
             self?.dismissAnimated()
-            let _ = (qrCode(string: link, color: .black, backgroundColor: .white, icon: .proxy, scale: 1.0)
+            let _ = (qrCode(string: link, color: .black, backgroundColor: .white, icon: .proxy)
             |> map { generator -> UIImage? in
                 let imageSize = CGSize(width: 512.0, height: 512.0)
-                let context = generator(TransformImageArguments(corners: ImageCorners(), imageSize: imageSize, boundingSize: imageSize, intrinsicInsets: UIEdgeInsets()))
+                let context = generator(TransformImageArguments(corners: ImageCorners(), imageSize: imageSize, boundingSize: imageSize, intrinsicInsets: UIEdgeInsets(), scale: 1.0))
                 return context?.generateImage()
             }
             |> deliverOnMainQueue).start(next: { image in

submodules/SettingsUI/Sources/Language Selection/LocalizationListControllerNode.swift

@@ -12,6 +12,7 @@ import AccountContext
 import ShareController
 import SearchBarNode
 import SearchUI
+import ActivityIndicator
 
 private enum LanguageListSection: ItemListSectionId {
     case official
@@ -194,12 +195,12 @@ private final class LocalizationListSearchContainerNode: SearchDisplayController
         
         if self.hasValidLayout {
             while !self.enqueuedTransitions.isEmpty {
-                self.dequeueTransition()
+                self.dequeueTransitions()
             }
         }
     }
     
-    private func dequeueTransition() {
+    private func dequeueTransitions() {
         if let transition = self.enqueuedTransitions.first {
             self.enqueuedTransitions.remove(at: 0)
             
@@ -248,7 +249,7 @@ private final class LocalizationListSearchContainerNode: SearchDisplayController
         if !self.hasValidLayout {
             self.hasValidLayout = true
             while !self.enqueuedTransitions.isEmpty {
-                self.dequeueTransition()
+                self.dequeueTransitions()
             }
         }
     }
@@ -265,17 +266,18 @@ private struct LanguageListNodeTransition {
     let insertions: [ListViewInsertItem]
     let updates: [ListViewUpdateItem]
     let firstTime: Bool
+    let isLoading: Bool
     let animated: Bool
 }
 
-private func preparedLanguageListNodeTransition(theme: PresentationTheme, strings: PresentationStrings, from fromEntries: [LanguageListEntry], to toEntries: [LanguageListEntry], openSearch: @escaping () -> Void, selectLocalization: @escaping (LocalizationInfo) -> Void, setItemWithRevealedOptions: @escaping (String?, String?) -> Void, removeItem: @escaping (String) -> Void, firstTime: Bool, forceUpdate: Bool, animated: Bool) -> LanguageListNodeTransition {
+private func preparedLanguageListNodeTransition(theme: PresentationTheme, strings: PresentationStrings, from fromEntries: [LanguageListEntry], to toEntries: [LanguageListEntry], openSearch: @escaping () -> Void, selectLocalization: @escaping (LocalizationInfo) -> Void, setItemWithRevealedOptions: @escaping (String?, String?) -> Void, removeItem: @escaping (String) -> Void, firstTime: Bool, isLoading: Bool, forceUpdate: Bool, animated: Bool) -> LanguageListNodeTransition {
     let (deleteIndices, indicesAndItems, updateIndices) = mergeListsStableWithUpdates(leftList: fromEntries, rightList: toEntries, allUpdated: forceUpdate)
     
     let deletions = deleteIndices.map { ListViewDeleteItem(index: $0, directionHint: nil) }
     let insertions = indicesAndItems.map { ListViewInsertItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(theme: theme, strings: strings, searchMode: false, openSearch: openSearch, selectLocalization: selectLocalization, setItemWithRevealedOptions: setItemWithRevealedOptions, removeItem: removeItem), directionHint: nil) }
     let updates = updateIndices.map { ListViewUpdateItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(theme: theme, strings: strings, searchMode: false, openSearch: openSearch, selectLocalization: selectLocalization, setItemWithRevealedOptions: setItemWithRevealedOptions, removeItem: removeItem), directionHint: nil) }
     
-    return LanguageListNodeTransition(deletions: deletions, insertions: insertions, updates: updates, firstTime: firstTime, animated: animated)
+    return LanguageListNodeTransition(deletions: deletions, insertions: insertions, updates: updates, firstTime: firstTime, isLoading: isLoading, animated: animated)
 }
 
 final class LocalizationListControllerNode: ViewControllerTracingNode {
@@ -292,7 +294,7 @@ final class LocalizationListControllerNode: ViewControllerTracingNode {
     private var containerLayout: (ContainerViewLayout, CGFloat)?
     let listNode: ListView
     private var queuedTransitions: [LanguageListNodeTransition] = []
-    
+    private var activityIndicator: ActivityIndicator?
     private var searchDisplayController: SearchDisplayController?
     
     private let presentationDataValue = Promise<(PresentationTheme, PresentationStrings)>()
@@ -408,7 +410,7 @@ final class LocalizationListControllerNode: ViewControllerTracingNode {
                 }
             }
             let previousEntriesAndPresentationData = previousEntriesHolder.swap((entries, presentationData.0, presentationData.1))
-            let transition = preparedLanguageListNodeTransition(theme: presentationData.0, strings: presentationData.1, from: previousEntriesAndPresentationData?.0 ?? [], to: entries, openSearch: openSearch, selectLocalization: { [weak self] info in self?.selectLocalization(info) }, setItemWithRevealedOptions: setItemWithRevealedOptions, removeItem: removeItem, firstTime: previousEntriesAndPresentationData == nil, forceUpdate: previousEntriesAndPresentationData?.1 !== presentationData.0 || previousEntriesAndPresentationData?.2 !== presentationData.1, animated: (previousEntriesAndPresentationData?.0.count ?? 0) >= entries.count)
+            let transition = preparedLanguageListNodeTransition(theme: presentationData.0, strings: presentationData.1, from: previousEntriesAndPresentationData?.0 ?? [], to: entries, openSearch: openSearch, selectLocalization: { [weak self] info in self?.selectLocalization(info) }, setItemWithRevealedOptions: setItemWithRevealedOptions, removeItem: removeItem, firstTime: previousEntriesAndPresentationData == nil, isLoading: entries.isEmpty, forceUpdate: previousEntriesAndPresentationData?.1 !== presentationData.0 || previousEntriesAndPresentationData?.2 !== presentationData.1, animated: (previousEntriesAndPresentationData?.0.count ?? 0) >= entries.count)
             strongSelf.enqueueTransition(transition)
         })
         self.updatedDisposable = synchronizedLocalizationListState(postbox: context.account.postbox, network: context.account.network).start()
@@ -469,6 +471,11 @@ final class LocalizationListControllerNode: ViewControllerTracingNode {
         
         self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: nil, updateSizeAndInsets: updateSizeAndInsets, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
         
+        if let activityIndicator = self.activityIndicator {
+            let indicatorSize = activityIndicator.measure(CGSize(width: 100.0, height: 100.0))
+            transition.updateFrame(node: activityIndicator, frame: CGRect(origin: CGPoint(x: floor((layout.size.width - indicatorSize.width) / 2.0), y: updateSizeAndInsets.insets.top + 50.0 + floor((layout.size.height - updateSizeAndInsets.insets.top - updateSizeAndInsets.insets.bottom - indicatorSize.height - 50.0) / 2.0)), size: indicatorSize))
+        }
+        
         if !hadValidLayout {
             self.dequeueTransitions()
         }
@@ -483,26 +490,38 @@ final class LocalizationListControllerNode: ViewControllerTracingNode {
     }
     
     private func dequeueTransitions() {
-        if self.containerLayout != nil {
-            while !self.queuedTransitions.isEmpty {
-                let transition = self.queuedTransitions.removeFirst()
-                
-                var options = ListViewDeleteAndInsertOptions()
-                if transition.firstTime {
-                    options.insert(.Synchronous)
-                    options.insert(.LowLatency)
-                } else if transition.animated {
-                    options.insert(.AnimateInsertion)
-                }
-                self.listNode.transaction(deleteIndices: transition.deletions, insertIndicesAndItems: transition.insertions, updateIndicesAndItems: transition.updates, options: options, updateOpaqueState: nil, completion: { [weak self] _ in
-                    if let strongSelf = self {
-                        if !strongSelf.didSetReady {
-                            strongSelf.didSetReady = true
-                            strongSelf._ready.set(true)
-                        }
-                    }
-                })
+        guard let (layout, navigationBarHeight) = self.containerLayout else {
+            return
+        }
+        while !self.queuedTransitions.isEmpty {
+            let transition = self.queuedTransitions.removeFirst()
+            
+            var options = ListViewDeleteAndInsertOptions()
+            if transition.firstTime {
+                options.insert(.Synchronous)
+                options.insert(.LowLatency)
+            } else if transition.animated {
+                options.insert(.AnimateInsertion)
             }
+            self.listNode.transaction(deleteIndices: transition.deletions, insertIndicesAndItems: transition.insertions, updateIndicesAndItems: transition.updates, options: options, updateOpaqueState: nil, completion: { [weak self] _ in
+                if let strongSelf = self {
+                    if !strongSelf.didSetReady {
+                        strongSelf.didSetReady = true
+                        strongSelf._ready.set(true)
+                    }
+                    
+                    if transition.isLoading, strongSelf.activityIndicator == nil {
+                        let activityIndicator = ActivityIndicator(type: .custom(strongSelf.presentationData.theme.list.itemAccentColor, 22.0, 1.0, false))
+                        strongSelf.activityIndicator = activityIndicator
+                        strongSelf.insertSubnode(activityIndicator, aboveSubnode: strongSelf.listNode)
+                        
+                        strongSelf.containerLayoutUpdated(layout, navigationBarHeight: navigationBarHeight, transition: .immediate)
+                    } else if !transition.isLoading, let activityIndicator = strongSelf.activityIndicator {
+                        strongSelf.activityIndicator = nil
+                        activityIndicator.removeFromSupernode()
+                    }
+                }
+            })
         }
     }
     

submodules/SettingsUI/Sources/Search/SettingsSearchItem.swift

@@ -51,6 +51,8 @@ extension SettingsSearchableItemIcon {
                 return PresentationResourcesSettings.watch
             case .passport:
                 return PresentationResourcesSettings.passport
+            case .wallet:
+                return PresentationResourcesSettings.wallet
             case .support:
                 return PresentationResourcesSettings.support
             case .faq:

submodules/SettingsUI/Sources/Search/SettingsSearchableItems.swift

@@ -27,6 +27,7 @@ enum SettingsSearchableItemIcon {
     case appearance
     case language
     case watch
+    case wallet
     case passport
     case support
     case faq
@@ -858,9 +859,9 @@ func settingsSearchableItems(context: AccountContext, notificationExceptionsList
         })
         allItems.append(passport)
 
-        if true || hasWallet {
-            let wallet = SettingsSearchableItem(id: .wallet(0), title: "Wallet", alternate: synonyms("Wallet"), icon: .passport, breadcrumbs: [], present: { context, _, present in
-                openWallet(context: context, push: { c in
+        if hasWallet {
+            let wallet = SettingsSearchableItem(id: .wallet(0), title: "Gram Wallet", alternate: synonyms(""), icon: .wallet, breadcrumbs: [], present: { context, _, present in
+                context.sharedContext.openWallet(context: context, walletContext: .generic, present: { c in
                     present(.push, c)
                 })
             })

submodules/SettingsUI/Sources/SettingsController.swift

@@ -574,12 +574,12 @@ private func settingsEntries(account: Account, presentationData: PresentationDat
         let languageName = presentationData.strings.primaryComponent.localizedName
         entries.append(.language(presentationData.theme, PresentationResourcesSettings.language, presentationData.strings.Settings_AppLanguage, languageName.isEmpty ? presentationData.strings.Localization_LanguageName : languageName))
         
+        if hasWallet || experimentalUISettings.wallets {
+            entries.append(.wallet(presentationData.theme, PresentationResourcesSettings.wallet, "Gram Wallet", ""))
+        }
         if hasPassport {
             entries.append(.passport(presentationData.theme, PresentationResourcesSettings.passport, presentationData.strings.Settings_Passport, ""))
         }
-        if hasWallet || experimentalUISettings.wallets {
-            entries.append(.wallet(presentationData.theme, PresentationResourcesSettings.passport, "Wallet", ""))
-        }
         
         if hasWatchApp {
             entries.append(.watch(presentationData.theme, PresentationResourcesSettings.watch, presentationData.strings.Settings_AppleWatch, ""))
@@ -850,7 +850,7 @@ public func settingsController(context: AccountContext, accountManager: AccountM
         let _ = (contextValue.get()
         |> deliverOnMainQueue
         |> take(1)).start(next: { context in
-            openWallet(context: context, push: { c in
+            context.sharedContext.openWallet(context: context, walletContext: .generic, present: { c in
                 pushControllerImpl?(c)
             })
         })
@@ -1098,8 +1098,7 @@ public func settingsController(context: AccountContext, accountManager: AccountM
         )
     )
     
-    let hasWallet = .single(false)
-    |> then(contextValue.get()
+    let hasWallet = contextValue.get()
     |> mapToSignal { context in
         return context.account.postbox.preferencesView(keys: [PreferencesKeys.appConfiguration])
         |> map { view -> Bool in
@@ -1107,7 +1106,7 @@ public func settingsController(context: AccountContext, accountManager: AccountM
             let configuration = WalletConfiguration.with(appConfiguration: appConfiguration)
             return configuration.enabled
         }
-    })
+    }
     
     let hasPassport = ValuePromise<Bool>(false)
     let updatePassport: () -> Void = {
@@ -1618,36 +1617,3 @@ private func accountContextMenuItems(context: AccountContext, logout: @escaping
         return items
     }
 }
-
-func openWallet(context: AccountContext, push: @escaping (ViewController) -> Void) {
-    guard let tonContext = context.tonContext else {
-        return
-    }
-    let _ = (combineLatest(queue: .mainQueue(),
-        availableWallets(postbox: context.account.postbox),
-        tonContext.keychain.encryptionPublicKey()
-    )
-    |> deliverOnMainQueue).start(next: { wallets, currentPublicKey in
-        if wallets.wallets.isEmpty {
-            if let _ = currentPublicKey {
-                push(WalletSplashScreen(context: context, tonContext: tonContext, mode: .intro))
-            } else {
-                push(WalletSplashScreen(context: context, tonContext: tonContext, mode: .secureStorageNotAvailable))
-            }
-        } else {
-            let walletInfo = wallets.wallets[0].info
-            if let currentPublicKey = currentPublicKey {
-                if currentPublicKey == walletInfo.encryptedSecret.publicKey {
-                    let _ = (walletAddress(publicKey: walletInfo.publicKey, tonInstance: tonContext.instance)
-                    |> deliverOnMainQueue).start(next: { address in
-                        push(WalletInfoScreen(context: context, tonContext: tonContext, walletInfo: walletInfo, address: address))
-                    })
-                } else {
-                    push(WalletSplashScreen(context: context, tonContext: tonContext, mode: .secureStorageReset(.changed)))
-                }
-            } else {
-                push(WalletSplashScreen(context: context, tonContext: tonContext, mode: .secureStorageReset(.notAvailable)))
-            }
-        }
-    })
-}

submodules/SettingsUI/Sources/Themes/WallpaperGalleryController.swift

@@ -384,7 +384,7 @@ public class WallpaperGalleryController: ViewController {
                                     let wallpaper = wallpaper.withUpdatedSettings(updatedSettings)
                                     
                                     let _ = (updatePresentationThemeSettingsInteractively(accountManager: strongSelf.context.sharedContext.accountManager, { current in
-                                        var themeSpecificChatWallpapers = current.themeSpecificChatWallpapers
+                                        var themeSpecificChatWallpapers = current.themeSpecificChatWallpapers                                        
                                         themeSpecificChatWallpapers[current.theme.index] = wallpaper
                                         return PresentationThemeSettings(chatWallpaper: wallpaper, theme: current.theme, themeSpecificAccentColors: current.themeSpecificAccentColors, themeSpecificChatWallpapers: themeSpecificChatWallpapers, fontSize: current.fontSize, automaticThemeSwitchSetting: current.automaticThemeSwitchSetting, largeEmoji: current.largeEmoji, disableAnimations: current.disableAnimations)
                                     }) |> deliverOnMainQueue).start(completed: {

submodules/TelegramPresentationData/Sources/Resources/PresentationResourcesSettings.swift

@@ -15,7 +15,8 @@ public struct PresentationResourcesSettings {
     public static let dataAndStorage = UIImage(bundleImageName: "Settings/MenuIcons/DataAndStorage")?.precomposed()
     public static let appearance = UIImage(bundleImageName: "Settings/MenuIcons/Appearance")?.precomposed()
     public static let language = UIImage(bundleImageName: "Settings/MenuIcons/Language")?.precomposed()
-    
+
+    public static let wallet = UIImage(bundleImageName: "Settings/MenuIcons/Wallet")?.precomposed()
     public static let passport = UIImage(bundleImageName: "Settings/MenuIcons/Passport")?.precomposed()
     public static let watch = UIImage(bundleImageName: "Settings/MenuIcons/Watch")?.precomposed()
     

submodules/TelegramStringFormatting/Sources/NumberFormat.swift

@@ -20,6 +20,7 @@ public func normalizeArabicNumeralString(_ string: String, type: ArabicNumeralSt
         ("7", "٧", "۷"),
         ("8", "٨", "۸"),
         ("9", "٩", "۹"),
+        (",", "٫", "٫")
     ]
     for (western, arabic, persian) in numerals {
         switch type {

submodules/TelegramUI/Images.xcassets/Settings/MenuIcons/Wallet.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "ic_ton@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "ic_ton@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

submodules/TelegramUI/Images.xcassets/Wallet/CameraGalleryIcon.imageset/Contents.json

@@ -0,0 +1,12 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "ic_gallery (3).pdf"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

submodules/TelegramUI/Images.xcassets/Wallet/QrGem.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "QrGem@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "QrGem@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

submodules/TelegramUI/TelegramUI/AppDelegate.swift

@@ -24,6 +24,8 @@ import WatchBridge
 import LegacyDataImport
 import SettingsUI
 import AppBundle
+import WalletUI
+import UrlHandling
 
 private let handleVoipNotifications = false
 
@@ -1479,6 +1481,9 @@ final class SharedApplicationContext {
                     }), TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_OK, action: {})]), on: .root, blockInteraction: false, completion: {})
                 } else if let confirmationCode = parseConfirmationCodeUrl(url) {
                     authContext.rootController.applyConfirmationCode(confirmationCode)
+                } else if let _ = parseWalletUrl(url) {
+                    let presentationData = authContext.sharedContext.currentPresentationData.with { $0 }
+                    authContext.rootController.currentWindow?.present(standardTextAlertController(theme: AlertControllerTheme(presentationTheme: presentationData.theme), title: nil, text: "Please log in to your account to use Gram Wallet.", actions: [TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_OK, action: {})]), on: .root, blockInteraction: false, completion: {})
                 }
             }
         })

submodules/TelegramUI/TelegramUI/ChatController.swift

@@ -46,6 +46,7 @@ import UrlHandling
 import ReactionSelectionNode
 import MessageReactionListUI
 import AppBundle
+import WalletUI
 
 public enum ChatControllerPeekActions {
     case standard
@@ -5078,8 +5079,12 @@ public final class ChatControllerImpl: TelegramBaseController, ChatController, G
                             }
                         }
                     }, recognizedQRCode: { [weak self] code in
-                        if let strongSelf = self, let (host, port, username, password, secret) = parseProxyUrl(code) {
-                            strongSelf.openResolved(ResolvedUrl.proxy(host: host, port: port, username: username, password: password, secret: secret))
+                        if let strongSelf = self {
+                            if let (host, port, username, password, secret) = parseProxyUrl(code) {
+                                strongSelf.openResolved(ResolvedUrl.proxy(host: host, port: port, username: username, password: password, secret: secret))
+                            } else if let url = URL(string: code), let parsedWalletUrl = parseWalletUrl(url) {
+                                strongSelf.openResolved(ResolvedUrl.wallet(address: parsedWalletUrl.address, amount: parsedWalletUrl.amount, comment: parsedWalletUrl.comment))
+                            }
                         }
                     }, presentSchedulePicker: { [weak self] done in
                         guard let strongSelf = self else {

submodules/TelegramUI/TelegramUI/ChatRecentActionsControllerNode.swift

@@ -822,6 +822,8 @@ final class ChatRecentActionsControllerNode: ViewControllerTracingNode {
                         break
                     case .theme:
                         break
+                    case .wallet:
+                        break
                 }
             }
         }))

submodules/TelegramUI/TelegramUI/OpenResolvedUrl.swift

@@ -324,5 +324,9 @@ func openResolvedUrlImpl(_ resolvedUrl: ResolvedUrl, context: AccountContext, ur
                 controller?.dismiss()
             }))
             dismissInput()
+        case let .wallet(address, amount, comment):
+            context.sharedContext.openWallet(context: context, walletContext: .send(address: address, amount: amount, comment: comment)) { c in
+                navigationController?.pushViewController(c)
+        }
     }
 }

submodules/TelegramUI/TelegramUI/OpenUrl.swift

@@ -14,6 +14,7 @@ import AccountContext
 import UrlEscaping
 import PassportUI
 import UrlHandling
+import WalletUI
 
 public struct ParsedSecureIdUrl {
     public let peerId: PeerId
@@ -140,6 +141,12 @@ func formattedConfirmationCode(_ code: Int) -> String {
 
 func openExternalUrlImpl(context: AccountContext, urlContext: OpenURLContext, url: String, forceExternal: Bool, presentationData: PresentationData, navigationController: NavigationController?, dismissInput: @escaping () -> Void) {
     if url.hasPrefix("ton://") {
+        if let url = URL(string: url), let parsedUrl = parseWalletUrl(url) {
+            context.sharedContext.openWallet(context: context, walletContext: .send(address: parsedUrl.address, amount: parsedUrl.amount, comment: parsedUrl.comment)) { c in
+                navigationController?.pushViewController(c)
+            }
+        }
+        
         return
     }
     

submodules/TelegramUI/TelegramUI/SharedAccountContext.swift

@@ -14,6 +14,7 @@ import PeersNearbyUI
 import PeerInfoUI
 import SettingsUI
 import UrlHandling
+import WalletUI
 
 private enum CallStatusText: Equatable {
     case none
@@ -1016,6 +1017,45 @@ public final class SharedAccountContextImpl: SharedAccountContext {
     public func makeChatMessagePreviewItem(context: AccountContext, message: Message, theme: PresentationTheme, strings: PresentationStrings, wallpaper: TelegramWallpaper, fontSize: PresentationFontSize, dateTimeFormat: PresentationDateTimeFormat, nameOrder: PresentationPersonNameOrder, forcedResourceStatus: FileMediaResourceStatus?) -> ListViewItem {
         return ChatMessageItem(presentationData: ChatPresentationData(theme: ChatPresentationThemeData(theme: theme, wallpaper: wallpaper), fontSize: fontSize, strings: strings, dateTimeFormat: dateTimeFormat, nameDisplayOrder: nameOrder, disableAnimations: false, largeEmoji: false, animatedEmojiScale: 1.0, isPreview: true), context: context, chatLocation: .peer(message.id.peerId), associatedData: ChatMessageItemAssociatedData(automaticDownloadPeerType: .contact, automaticDownloadNetworkType: .cellular, isRecentActions: false, isScheduledMessages: false, contactsPeerIds: Set(), animatedEmojiStickers: [:], forcedResourceStatus: forcedResourceStatus), controllerInteraction: defaultChatControllerInteraction, content: .message(message: message, read: true, selection: .none, attributes: ChatMessageEntryAttributes()), disableDate: true, additionalContent: nil)
     }
+    
+    public func openWallet(context: AccountContext, walletContext: OpenWalletContext, present: @escaping (ViewController) -> Void) {
+        guard let tonContext = context.tonContext else {
+            return
+        }
+        let _ = (combineLatest(queue: .mainQueue(),
+            availableWallets(postbox: context.account.postbox),
+            tonContext.keychain.encryptionPublicKey()
+        )
+        |> deliverOnMainQueue).start(next: { wallets, currentPublicKey in
+            if wallets.wallets.isEmpty {
+                if let _ = currentPublicKey {
+                    present(WalletSplashScreen(context: context, tonContext: tonContext, mode: .intro))
+                } else {
+                    present(WalletSplashScreen(context: context, tonContext: tonContext, mode: .secureStorageNotAvailable))
+                }
+            } else {
+                let walletInfo = wallets.wallets[0].info
+                if let currentPublicKey = currentPublicKey {
+                    if currentPublicKey == walletInfo.encryptedSecret.publicKey {
+                        let _ = (walletAddress(publicKey: walletInfo.publicKey, tonInstance: tonContext.instance)
+                        |> deliverOnMainQueue).start(next: { address in
+                            switch walletContext {
+                                case .generic:
+                                    present(WalletInfoScreen(context: context, tonContext: tonContext, walletInfo: walletInfo, address: address))
+                                case let .send(address, amount, comment):
+                                    present(walletSendScreen(context: context, tonContext: tonContext, walletInfo: walletInfo, address: address, amount: amount, comment: comment))
+                            }
+                            
+                        })
+                    } else {
+                        present(WalletSplashScreen(context: context, tonContext: tonContext, mode: .secureStorageReset(.changed)))
+                    }
+                } else {
+                    present(WalletSplashScreen(context: context, tonContext: tonContext, mode: .secureStorageReset(.notAvailable)))
+                }
+            }
+        })
+    }
 }
 
 private let defaultChatControllerInteraction = ChatControllerInteraction.default

submodules/UrlHandling/Sources/UrlHandling.swift

@@ -372,6 +372,11 @@ public func parseWallpaperUrl(_ url: String) -> WallpaperUrlParameter? {
 }
 
 public func resolveUrlImpl(account: Account, url: String) -> Signal<ResolvedUrl, NoError> {
+    if url.hasPrefix("ton://") {
+        if let url = URL(string: url), let parsedUrl = parseWalletUrl(url) {
+            return .single(.wallet(address: parsedUrl.address, amount: parsedUrl.amount, comment: parsedUrl.comment))
+        }
+    }
     let schemes = ["http://", "https://", ""]
     let baseTelegramMePaths = ["telegram.me", "t.me"]
     for basePath in baseTelegramMePaths {
@@ -430,3 +435,42 @@ public func resolveInstantViewUrl(account: Account, url: String) -> Signal<Resol
         }
     }
 }
+
+public struct ParsedWalletUrl {
+    public let address: String
+    public let amount: Int64?
+    public let comment: String?
+}
+
+private let invalidWalletAddressCharacters = CharacterSet(charactersIn: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_=").inverted
+
+private func isValidWalletAddress(_ address: String) -> Bool {
+    if address.count != 48 || address.rangeOfCharacter(from: invalidWalletAddressCharacters) != nil {
+        return false
+    }
+    return true
+}
+
+public func parseWalletUrl(_ url: URL) -> ParsedWalletUrl? {
+    guard url.scheme == "ton" else {
+        return nil
+    }
+    var address: String?
+    if let host = url.host, isValidWalletAddress(host) {
+        address = host.replacingOccurrences(of: "-", with: "+").replacingOccurrences(of: "_", with: "/")
+    }
+    var amount: Int64?
+    var comment: String?
+    if let query = url.query, let components = URLComponents(string: "/?" + query), let queryItems = components.queryItems {
+        for queryItem in queryItems {
+            if let value = queryItem.value {
+                if queryItem.name == "amount", !value.isEmpty, let amountValue = Int64(value) {
+                    amount = amountValue
+                } else if queryItem.name == "text", !value.isEmpty {
+                    comment = value
+                }
+            }
+        }
+    }
+    return address.flatMap { ParsedWalletUrl(address: $0, amount: amount, comment: comment) }
+}

submodules/WalletUI/BUCK

@@ -27,6 +27,7 @@ static_library(
         "//submodules/MergeLists:MergeLists",
         "//submodules/TelegramStringFormatting:TelegramStringFormatting",
         "//submodules/GlassButtonNode:GlassButtonNode",
+        "//submodules/UrlHandling:UrlHandling",
     ],
     frameworks = [
         "$SDKROOT/System/Library/Frameworks/Foundation.framework",

submodules/WalletUI/Sources/WalletInfoEmptyNode.swift

@@ -115,13 +115,15 @@ final class WalletInfoEmptyItemNode: ListViewItemNode {
             let title = "Wallet Created"
             let text = "Your wallet address"
             
-            let (titleLayout, titleApply) = makeTitleLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: title, font: Font.bold(32.0), textColor: item.theme.list.itemPrimaryTextColor), backgroundColor: nil, maximumNumberOfLines: 0, truncationType: .end, constrainedSize: CGSize(width: params.width - params.leftInset - params.rightInset - sideInset * 2.0, height: .greatestFiniteMagnitude), alignment: .center, lineSpacing: 0.1, cutout: nil, insets: UIEdgeInsets()))
+            let textColor = UIColor.black
             
-            let (textLayout, textApply) = makeTextLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: text, font: Font.regular(16.0), textColor: item.theme.list.itemPrimaryTextColor), backgroundColor: nil, maximumNumberOfLines: 0, truncationType: .end, constrainedSize: CGSize(width: params.width - params.leftInset - params.rightInset - sideInset * 2.0, height: .greatestFiniteMagnitude), alignment: .center, lineSpacing: 0.1, cutout: nil, insets: UIEdgeInsets()))
+            let (titleLayout, titleApply) = makeTitleLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: title, font: Font.bold(32.0), textColor: textColor), backgroundColor: nil, maximumNumberOfLines: 0, truncationType: .end, constrainedSize: CGSize(width: params.width - params.leftInset - params.rightInset - sideInset * 2.0, height: .greatestFiniteMagnitude), alignment: .center, lineSpacing: 0.1, cutout: nil, insets: UIEdgeInsets()))
+            
+            let (textLayout, textApply) = makeTextLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: text, font: Font.regular(16.0), textColor: textColor), backgroundColor: nil, maximumNumberOfLines: 0, truncationType: .end, constrainedSize: CGSize(width: params.width - params.leftInset - params.rightInset - sideInset * 2.0, height: .greatestFiniteMagnitude), alignment: .center, lineSpacing: 0.1, cutout: nil, insets: UIEdgeInsets()))
             
             var addressString = item.address
             addressString.insert("\n", at: addressString.index(addressString.startIndex, offsetBy: addressString.count / 2))
-            let (addressLayout, addressApply) = makeAddressLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: addressString, font: Font.monospace(16.0), textColor: item.theme.list.itemPrimaryTextColor), backgroundColor: nil, maximumNumberOfLines: 0, truncationType: .end, constrainedSize: CGSize(width: params.width - params.leftInset - params.rightInset - sideInset * 2.0, height: .greatestFiniteMagnitude), alignment: .center, lineSpacing: 0.1, cutout: nil, insets: UIEdgeInsets()))
+            let (addressLayout, addressApply) = makeAddressLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: addressString, font: Font.monospace(16.0), textColor: textColor), backgroundColor: nil, maximumNumberOfLines: 0, truncationType: .end, constrainedSize: CGSize(width: params.width - params.leftInset - params.rightInset - sideInset * 2.0, height: .greatestFiniteMagnitude), alignment: .center, lineSpacing: 0.1, cutout: nil, insets: UIEdgeInsets()))
             
             let contentVerticalOrigin: CGFloat = 32.0
             

submodules/WalletUI/Sources/WalletInfoScreen.swift

@@ -513,7 +513,7 @@ private final class WalletInfoScreenNode: ViewControllerTracingNode {
         self.headerNode = WalletInfoHeaderNode(account: account, theme: presentationData.theme, sendAction: sendAction, receiveAction: receiveAction)
         
         self.listNode = ListView()
-        self.listNode.verticalScrollIndicatorColor = self.presentationData.theme.list.scrollIndicatorColor
+        self.listNode.verticalScrollIndicatorColor = UIColor(white: 0.0, alpha: 0.3)
         self.listNode.verticalScrollIndicatorFollowsOverscroll = true
         self.listNode.isHidden = true
         
@@ -869,26 +869,3 @@ private final class WalletInfoScreenNode: ViewControllerTracingNode {
         }
     }
 }
-
-func formatBalanceText(_ value: Int64, decimalSeparator: String) -> String {
-    var balanceText = "\(abs(value))"
-    while balanceText.count < 10 {
-        balanceText.insert("0", at: balanceText.startIndex)
-    }
-    balanceText.insert(contentsOf: decimalSeparator, at: balanceText.index(balanceText.endIndex, offsetBy: -9))
-    while true {
-        if balanceText.hasSuffix("0") {
-            if balanceText.hasSuffix("\(decimalSeparator)0") {
-                break
-            } else {
-                balanceText.removeLast()
-            }
-        } else {
-            break
-        }
-    }
-    if value < 0 {
-        balanceText.insert("-", at: balanceText.startIndex)
-    }
-    return balanceText
-}

submodules/WalletUI/Sources/WalletInfoTransactionItem.swift

@@ -86,12 +86,6 @@ private let descriptionFont = Font.regular(15.0)
 private let dateFont = Font.regular(14.0)
 private let directionFont = Font.regular(15.0)
 
-private func formatAddress(_ address: String) -> String {
-    var address = address
-    address.insert("\n", at: address.index(address.startIndex, offsetBy: address.count / 2))
-    return address
-}
-
 class WalletInfoTransactionItemNode: ListViewItemNode {
     private let backgroundNode: ASDisplayNode
     private let topStripeNode: ASDisplayNode

submodules/WalletUI/Sources/WalletQrCodeItem.swift

@@ -12,12 +12,17 @@ class WalletQrCodeItem: ListViewItem, ItemListItem {
     let address: String
     let sectionId: ItemListSectionId
     let style: ItemListStyle
+    let action: (() -> Void)?
+    let longTapAction: (() -> Void)?
+    public let isAlwaysPlain: Bool = true
     
-    init(theme: PresentationTheme, address: String, sectionId: ItemListSectionId, style: ItemListStyle) {
+    init(theme: PresentationTheme, address: String, sectionId: ItemListSectionId, style: ItemListStyle, action: @escaping () -> Void, longTapAction: @escaping () -> Void) {
         self.theme = theme
         self.address = address
         self.sectionId = sectionId
         self.style = style
+        self.action = action
+        self.longTapAction = longTapAction
     }
     
     func nodeConfiguredForParams(async: @escaping (@escaping () -> Void) -> Void, params: ListViewItemLayoutParams, synchronousLoads: Bool, previousItem: ListViewItem?, nextItem: ListViewItem?, completion: @escaping (ListViewItemNode, @escaping () -> (Signal<Void, NoError>?, (ListViewItemApply) -> Void)) -> Void) {
@@ -55,10 +60,6 @@ class WalletQrCodeItem: ListViewItem, ItemListItem {
 }
 
 class WalletQrCodeItemNode: ListViewItemNode {
-    private let backgroundNode: ASDisplayNode
-    private let topStripeNode: ASDisplayNode
-    private let bottomStripeNode: ASDisplayNode
-    
     private let imageNode: TransformImageNode
     
     private var item: WalletQrCodeItem?
@@ -68,16 +69,6 @@ class WalletQrCodeItemNode: ListViewItemNode {
     }
     
     init() {
-        self.backgroundNode = ASDisplayNode()
-        self.backgroundNode.isLayerBacked = true
-        self.backgroundNode.backgroundColor = .white
-        
-        self.topStripeNode = ASDisplayNode()
-        self.topStripeNode.isLayerBacked = true
-        
-        self.bottomStripeNode = ASDisplayNode()
-        self.bottomStripeNode.isLayerBacked = true
-        
         self.imageNode = TransformImageNode()
         
         super.init(layerBacked: false, dynamicBounce: false)
@@ -85,6 +76,37 @@ class WalletQrCodeItemNode: ListViewItemNode {
         self.addSubnode(self.imageNode)
     }
     
+    override func didLoad() {
+        super.didLoad()
+        
+        let recognizer = TapLongTapOrDoubleTapGestureRecognizer(target: self, action: #selector(self.tapLongTapOrDoubleTapGesture(_:)))
+        recognizer.tapActionAtPoint = { [weak self] point in
+            return .waitForSingleTap
+        }
+        recognizer.highlight = { [weak self] point in
+            self?.imageNode.alpha = point != nil ? 0.4 : 1.0
+        }
+        self.view.addGestureRecognizer(recognizer)
+    }
+    
+    @objc func tapLongTapOrDoubleTapGesture(_ recognizer: TapLongTapOrDoubleTapGestureRecognizer) {
+        switch recognizer.state {
+        case .ended:
+            if let (gesture, location) = recognizer.lastRecognizedGestureAndLocation {
+                switch gesture {
+                case .tap:
+                    self.item?.action?()
+                case .longTap:
+                    self.item?.longTapAction?()
+                default:
+                    break
+                }
+            }
+        default:
+            break
+        }
+    }
+    
     func asyncLayout() -> (_ item: WalletQrCodeItem, _ params: ListViewItemLayoutParams, _ neighbors: ItemListNeighbors) -> (ListViewItemNodeLayout, () -> Void) {
         let makeImageLayout = self.imageNode.asyncLayout()
         
@@ -98,7 +120,7 @@ class WalletQrCodeItemNode: ListViewItemNode {
                 updatedTheme = item.theme
             }
             
-            if currentItem?.address != item.address {
+            if currentItem?.address != item.address || updatedTheme != nil {
                 updatedAddress = item.address
             }
             
@@ -106,22 +128,16 @@ class WalletQrCodeItemNode: ListViewItemNode {
             let insets: UIEdgeInsets
             let separatorHeight = UIScreenPixel
             
-            let inset: CGFloat = 12.0
-            var imageSize = CGSize(width: 256.0, height: 256.0)
+            let inset: CGFloat = 0.0
+            var imageSize = CGSize(width: 128.0, height: 128.0)
             let imageApply = makeImageLayout(TransformImageArguments(corners: ImageCorners(), imageSize: imageSize, boundingSize: imageSize, intrinsicInsets: UIEdgeInsets(), emptyColor: nil))
             
-            let itemBackgroundColor: UIColor
-            let itemSeparatorColor: UIColor
             switch item.style {
             case .plain:
-                itemBackgroundColor = item.theme.list.plainBackgroundColor
-                itemSeparatorColor = item.theme.list.itemPlainSeparatorColor
-                contentSize = CGSize(width: params.width, height: imageSize.height + inset * 2.0)
+                contentSize = CGSize(width: params.width, height: imageSize.height + 30.0)
                 insets = itemListNeighborsPlainInsets(neighbors)
             case .blocks:
-                itemBackgroundColor = item.theme.list.itemBlocksBackgroundColor
-                itemSeparatorColor = item.theme.list.itemBlocksSeparatorColor
-                contentSize = CGSize(width: params.width, height: imageSize.height + inset * 2.0)
+                contentSize = CGSize(width: params.width, height: imageSize.height + 30.0)
                 insets = itemListNeighborsGroupedInsets(neighbors)
             }
             
@@ -131,69 +147,13 @@ class WalletQrCodeItemNode: ListViewItemNode {
                 if let strongSelf = self {
                     strongSelf.item = item
                     
-                    if let _ = updatedTheme {
-                        strongSelf.topStripeNode.backgroundColor = itemSeparatorColor
-                        strongSelf.bottomStripeNode.backgroundColor = itemSeparatorColor
-                        strongSelf.backgroundNode.backgroundColor = itemBackgroundColor
-                    }
-                    
                     if let updatedAddress = updatedAddress {
-                        strongSelf.imageNode.setSignal(qrCode(string: updatedAddress, color: .black, backgroundColor: .white, icon: .custom(UIImage(bundleImageName: "Settings/Wallet/IntroIcon")), ecl: "Q"), attemptSynchronously: true)
+                        strongSelf.imageNode.setSignal(qrCode(string: updatedAddress, color: item.theme.list.itemPrimaryTextColor.withAlphaComponent(0.77), backgroundColor: item.theme.list.blocksBackgroundColor, icon: .custom(UIImage(bundleImageName: "Wallet/QrGem")), ecl: "Q"), attemptSynchronously: true)
                     }
                     
                     let _ = imageApply()
-                    
-                    let leftInset: CGFloat
-                    
-                    switch item.style {
-                    case .plain:
-                        leftInset = 35.0 + params.leftInset
                         
-                        if strongSelf.backgroundNode.supernode != nil {
-                            strongSelf.backgroundNode.removeFromSupernode()
-                        }
-                        if strongSelf.topStripeNode.supernode != nil {
-                            strongSelf.topStripeNode.removeFromSupernode()
-                        }
-                        if strongSelf.bottomStripeNode.supernode == nil {
-                            strongSelf.insertSubnode(strongSelf.bottomStripeNode, at: 0)
-                        }
-                        
-                        strongSelf.bottomStripeNode.frame = CGRect(origin: CGPoint(x: leftInset, y: contentSize.height - separatorHeight), size: CGSize(width: params.width - leftInset, height: separatorHeight))
-                    case .blocks:
-                        leftInset = 16.0 + params.leftInset
-                        
-                        if strongSelf.backgroundNode.supernode == nil {
-                            strongSelf.insertSubnode(strongSelf.backgroundNode, at: 0)
-                        }
-                        if strongSelf.topStripeNode.supernode == nil {
-                            strongSelf.insertSubnode(strongSelf.topStripeNode, at: 1)
-                        }
-                        if strongSelf.bottomStripeNode.supernode == nil {
-                            strongSelf.insertSubnode(strongSelf.bottomStripeNode, at: 2)
-                        }
-                        switch neighbors.top {
-                        case .sameSection(false):
-                            strongSelf.topStripeNode.isHidden = true
-                        default:
-                            strongSelf.topStripeNode.isHidden = false
-                        }
-                        let bottomStripeInset: CGFloat
-                        let bottomStripeOffset: CGFloat
-                        switch neighbors.bottom {
-                        case .sameSection(false):
-                            bottomStripeInset = 16.0 + params.leftInset
-                            bottomStripeOffset = -separatorHeight
-                        default:
-                            bottomStripeInset = 0.0
-                            bottomStripeOffset = 0.0
-                        }
-                        strongSelf.backgroundNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -min(insets.top, separatorHeight)), size: CGSize(width: params.width, height: contentSize.height + min(insets.top, separatorHeight) + min(insets.bottom, separatorHeight)))
-                        strongSelf.topStripeNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -min(insets.top, separatorHeight)), size: CGSize(width: params.width, height: separatorHeight))
-                        strongSelf.bottomStripeNode.frame = CGRect(origin: CGPoint(x: bottomStripeInset, y: contentSize.height + bottomStripeOffset), size: CGSize(width: params.width - bottomStripeInset, height: separatorHeight))
-                    }
-                    
-                    strongSelf.imageNode.frame = CGRect(origin: CGPoint(x: (params.width - imageSize.width) / 2.0, y: 12.0), size: imageSize)
+                    strongSelf.imageNode.frame = CGRect(origin: CGPoint(x: (params.width - imageSize.width) / 2.0, y: 0.0), size: imageSize)
                 }
             })
         }

submodules/WalletUI/Sources/WalletQrScanScreen.swift

@@ -9,6 +9,7 @@ import SwiftSignalKit
 import TelegramCore
 import Camera
 import GlassButtonNode
+import UrlHandling
 
 private func generateFrameImage() -> UIImage? {
     return generateImage(CGSize(width: 64.0, height: 64.0), contextGenerator: { size, context in
@@ -47,12 +48,13 @@ private func generateFrameImage() -> UIImage? {
 
 public final class WalletQrScanScreen: ViewController {
     private let context: AccountContext
-    private let completion: (String, Int64?, String?) -> Void
+    private let completion: (ParsedWalletUrl) -> Void
     private var presentationData: PresentationData
     
-    private var disposable: Disposable?
+    private var codeDisposable: Disposable?
+    private var inForegroundDisposable: Disposable?
     
-    public init(context: AccountContext, completion: @escaping (String, Int64?, String?) -> Void) {
+    public init(context: AccountContext, completion: @escaping (ParsedWalletUrl) -> Void) {
         self.context = context
         self.completion = completion
         
@@ -70,6 +72,14 @@ public final class WalletQrScanScreen: ViewController {
         self.navigationBar?.intrinsicCanTransitionInline = false
         
         self.navigationItem.backBarButtonItem = UIBarButtonItem(title: self.presentationData.strings.Common_Back, style: .plain, target: nil, action: nil)
+        
+        self.inForegroundDisposable = (context.sharedContext.applicationBindings.applicationInForeground
+        |> deliverOnMainQueue).start(next: { [weak self] inForeground in
+            guard let strongSelf = self else {
+                return
+            }
+            (strongSelf.displayNode as! WalletQrScanScreenNode).updateInForeground(inForeground)
+        })
     }
     
     required init(coder aDecoder: NSCoder) {
@@ -77,7 +87,8 @@ public final class WalletQrScanScreen: ViewController {
     }
     
     deinit {
-        self.disposable?.dispose()
+        self.codeDisposable?.dispose()
+        self.inForegroundDisposable?.dispose()
     }
     
     @objc private func backPressed() {
@@ -89,12 +100,7 @@ public final class WalletQrScanScreen: ViewController {
         
         self.displayNodeDidLoad()
         
-//        (self.displayNode as! WalletQrScanScreenNode).focusedCode.get()
-//        |> map { code -> String? in
-//            return code?.message
-//        } |> distinctUntilChanged
-        
-        self.disposable = (((self.displayNode as! WalletQrScanScreenNode).focusedCode.get()
+        self.codeDisposable = (((self.displayNode as! WalletQrScanScreenNode).focusedCode.get()
         |> map { code -> String? in
             return code?.message
         }
@@ -106,8 +112,9 @@ public final class WalletQrScanScreen: ViewController {
             guard let strongSelf = self, let code = code else {
                 return
             }
-            let cleanString = code.replacingOccurrences(of: "ton://", with: "")
-            strongSelf.completion(cleanString, nil, nil)
+            if let url = URL(string: code), let parsedWalletUrl = parseWalletUrl(url) {
+                strongSelf.completion(parsedWalletUrl)
+            }
         })
     }
     
@@ -128,6 +135,7 @@ private final class WalletQrScanScreenNode: ViewControllerTracingNode, UIScrollV
     private let leftDimNode: ASDisplayNode
     private let rightDimNode: ASDisplayNode
     private let frameNode: ASImageNode
+    private let galleryButtonNode: GlassButtonNode
     private let torchButtonNode: GlassButtonNode
     private let titleNode: ImmediateTextNode
     
@@ -168,6 +176,7 @@ private final class WalletQrScanScreenNode: ViewControllerTracingNode, UIScrollV
         self.frameNode = ASImageNode()
         self.frameNode.image = generateFrameImage()
         
+        self.galleryButtonNode = GlassButtonNode(icon: UIImage(bundleImageName: "Wallet/CameraGalleryIcon")!, label: nil)
         self.torchButtonNode = GlassButtonNode(icon: UIImage(bundleImageName: "Wallet/CameraFlashIcon")!, label: nil)
         
         self.titleNode = ImmediateTextNode()
@@ -189,14 +198,25 @@ private final class WalletQrScanScreenNode: ViewControllerTracingNode, UIScrollV
         self.addSubnode(self.leftDimNode)
         self.addSubnode(self.rightDimNode)
         self.addSubnode(self.frameNode)
+        self.addSubnode(self.galleryButtonNode)
         self.addSubnode(self.torchButtonNode)
         self.addSubnode(self.titleNode)
-        
+      
+        self.galleryButtonNode.addTarget(self, action: #selector(self.galleryPressed), forControlEvents: .touchUpInside)
         self.torchButtonNode.addTarget(self, action: #selector(self.torchPressed), forControlEvents: .touchUpInside)
     }
     
     deinit {
         self.codeDisposable.dispose()
+        self.camera.stopCapture(invalidate: true)
+    }
+    
+    fileprivate func updateInForeground(_ inForeground: Bool) {
+        if !inForeground {
+            self.camera.stopCapture(invalidate: false)
+        } else {
+            self.camera.startCapture()
+        }
     }
     
     override func didLoad() {
@@ -272,14 +292,19 @@ private final class WalletQrScanScreenNode: ViewControllerTracingNode, UIScrollV
         
         transition.updateFrame(node: self.frameNode, frame: dimRect.insetBy(dx: -2.0, dy: -2.0))
         
-        let torchButtonSize = CGSize(width: 72.0, height: 72.0)
-        transition.updateFrame(node: self.torchButtonNode, frame: CGRect(origin: CGPoint(x: floor((layout.size.width - torchButtonSize.width) / 2.0), y: dimHeight + frameSide + 50.0), size: torchButtonSize))
+        let buttonSize = CGSize(width: 72.0, height: 72.0)
+        transition.updateFrame(node: self.galleryButtonNode, frame: CGRect(origin: CGPoint(x: floor(layout.size.width / 2.0) - buttonSize.width - 28.0, y: dimHeight + frameSide + 50.0), size: buttonSize))
+        transition.updateFrame(node: self.torchButtonNode, frame: CGRect(origin: CGPoint(x: floor(layout.size.width / 2.0) + 28.0, y: dimHeight + frameSide + 50.0), size: buttonSize))
         
         let titleSize = self.titleNode.updateLayout(CGSize(width: layout.size.width - sideInset * 2.0, height: layout.size.height))
         let titleFrame = CGRect(origin: CGPoint(x: floor((layout.size.width - titleSize.width) / 2.0), y: dimHeight - titleSize.height - titleSpacing), size: titleSize)
         transition.updateFrameAdditive(node: self.titleNode, frame: titleFrame)
     }
     
+    @objc private func galleryPressed() {
+
+    }
+    
     @objc private func torchPressed() {
         self.torchButtonNode.isSelected = !self.torchButtonNode.isSelected
         self.camera.setTorchActive(self.torchButtonNode.isSelected)

submodules/WalletUI/Sources/WalletQrViewScreen.swift

@@ -0,0 +1,146 @@
+import Foundation
+import UIKit
+import SwiftSignalKit
+import AppBundle
+import AccountContext
+import TelegramPresentationData
+import AsyncDisplayKit
+import Display
+import Postbox
+import QrCode
+import ShareController
+
+func shareInvoiceQrCode(context: AccountContext, invoice: String) {
+    let _ = (qrCode(string: invoice, color: .black, backgroundColor: .white, icon: .custom(UIImage(bundleImageName: "Wallet/QrGem")), ecl: "Q")
+    |> map { generator -> UIImage? in
+        let imageSize = CGSize(width: 768.0, height: 768.0)
+        let context = generator(TransformImageArguments(corners: ImageCorners(), imageSize: imageSize, boundingSize: imageSize, intrinsicInsets: UIEdgeInsets(), scale: 1.0))
+        return context?.generateImage()
+    }
+    |> deliverOnMainQueue).start(next: { image in
+        guard let image = image else {
+            return
+        }
+        
+        let activityController = UIActivityViewController(activityItems: [image], applicationActivities: nil)
+        context.sharedContext.applicationBindings.presentNativeController(activityController)
+    })
+}
+
+public final class WalletQrViewScreen: ViewController {
+    private let context: AccountContext
+    private let invoice: String
+    private var presentationData: PresentationData
+    
+    private var previousScreenBrightness: CGFloat?
+    private var displayLinkAnimator: DisplayLinkAnimator?
+    private let idleTimerExtensionDisposable: Disposable
+    
+    public init(context: AccountContext, invoice: String) {
+        self.context = context
+        self.invoice = invoice
+        
+        self.presentationData = context.sharedContext.currentPresentationData.with { $0 }
+        
+        let defaultNavigationPresentationData = NavigationBarPresentationData(presentationTheme: self.presentationData.theme, presentationStrings: self.presentationData.strings)
+        let navigationBarTheme = NavigationBarTheme(buttonColor: defaultNavigationPresentationData.theme.buttonColor, disabledButtonColor: defaultNavigationPresentationData.theme.disabledButtonColor, primaryTextColor: defaultNavigationPresentationData.theme.primaryTextColor, backgroundColor: .clear, separatorColor: .clear, badgeBackgroundColor: defaultNavigationPresentationData.theme.badgeBackgroundColor, badgeStrokeColor: defaultNavigationPresentationData.theme.badgeStrokeColor, badgeTextColor: defaultNavigationPresentationData.theme.badgeTextColor)
+        
+        self.idleTimerExtensionDisposable = context.sharedContext.applicationBindings.pushIdleTimerExtension()
+        
+        super.init(navigationBarPresentationData: NavigationBarPresentationData(theme: navigationBarTheme, strings: defaultNavigationPresentationData.strings))
+        
+        self.supportedOrientations = ViewControllerSupportedOrientations(regularSize: .all, compactSize: .portrait)
+        self.navigationBar?.intrinsicCanTransitionInline = false
+        
+        self.title = "QR Code"
+        
+        self.navigationItem.backBarButtonItem = UIBarButtonItem(title: self.presentationData.strings.Common_Back, style: .plain, target: nil, action: nil)
+
+        self.navigationItem.rightBarButtonItem = UIBarButtonItem(image:  PresentationResourcesRootController.navigationShareIcon(self.presentationData.theme), style: .plain, target: self, action: #selector(self.shareButtonPressed))
+    }
+    
+    deinit {
+        self.idleTimerExtensionDisposable.dispose()
+    }
+    
+    required init(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override public func loadDisplayNode() {
+        self.displayNode = WalletQrViewScreenNode(context: self.context, presentationData: self.presentationData, message: self.invoice)
+        
+        self.displayNodeDidLoad()
+    }
+    
+    override public func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+
+        let screenBrightness = UIScreen.main.brightness
+        if screenBrightness < 0.85 {
+            self.previousScreenBrightness = screenBrightness
+            self.displayLinkAnimator = DisplayLinkAnimator(duration: 0.5, from: screenBrightness, to: 0.85, update: { value in
+                UIScreen.main.brightness = value
+            }, completion: {
+                self.displayLinkAnimator = nil
+            })
+        }
+    }
+    
+    public override func viewDidDisappear(_ animated: Bool) {
+        super.viewDidDisappear(animated)
+        
+        let screenBrightness = UIScreen.main.brightness
+        if let previousScreenBrightness = self.previousScreenBrightness, screenBrightness > previousScreenBrightness {
+            self.displayLinkAnimator = DisplayLinkAnimator(duration: 0.2, from: screenBrightness, to: previousScreenBrightness, update: { value in
+                UIScreen.main.brightness = value
+            }, completion: {
+                self.displayLinkAnimator = nil
+            })
+        }
+    }
+    
+    override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
+        super.containerLayoutUpdated(layout, transition: transition)
+        
+        (self.displayNode as! WalletQrViewScreenNode).containerLayoutUpdated(layout: layout, navigationHeight: self.navigationHeight, transition: transition)
+    }
+    
+    @objc private func shareButtonPressed() {
+        shareInvoiceQrCode(context: self.context, invoice: self.invoice)
+    }
+}
+
+private final class WalletQrViewScreenNode: ViewControllerTracingNode {
+    private var presentationData: PresentationData
+    private let invoice: String
+    
+    private let imageNode: TransformImageNode
+  
+    init(context: AccountContext, presentationData: PresentationData, message: String) {
+        self.presentationData = presentationData
+        self.invoice = message
+        
+        self.imageNode = TransformImageNode()
+        
+        super.init()
+        
+        self.backgroundColor = self.presentationData.theme.list.plainBackgroundColor
+        
+        self.addSubnode(self.imageNode)
+        
+        self.imageNode.setSignal(qrCode(string: self.invoice, color: .black, backgroundColor: .white, icon: .custom(UIImage(bundleImageName: "Wallet/QrGem")), ecl: "Q"), attemptSynchronously: true)
+    }
+    
+    func containerLayoutUpdated(layout: ContainerViewLayout, navigationHeight: CGFloat, transition: ContainedViewLayoutTransition) {
+        let makeImageLayout = self.imageNode.asyncLayout()
+        
+        let imageSide = layout.size.width - 48.0 * 2.0
+        var imageSize = CGSize(width: imageSide, height: imageSide)
+        let imageApply = makeImageLayout(TransformImageArguments(corners: ImageCorners(), imageSize: imageSize, boundingSize: imageSize, intrinsicInsets: UIEdgeInsets(), emptyColor: nil))
+        
+        let _ = imageApply()
+        
+        transition.updateFrame(node: self.imageNode, frame: CGRect(origin: CGPoint(x: floor((layout.size.width - imageSize.width) / 2.0), y: floor((layout.size.height - imageSize.height - layout.intrinsicInsets.bottom) / 2.0)), size: imageSize))
+    }
+}

submodules/WalletUI/Sources/WalletReceiveScreen.swift

@@ -12,48 +12,79 @@ import SwiftSignalKit
 import OverlayStatusController
 import ShareController
 
-private func formatAddress(_ address: String) -> String {
-    var address = address
-    address.insert("\n", at: address.index(address.startIndex, offsetBy: address.count / 2))
-    return address
-}
-
 private final class WalletReceiveScreenArguments {
     let context: AccountContext
+    let updateState: ((WalletReceiveScreenState) -> WalletReceiveScreenState) -> Void
+    let updateText: (WalletReceiveScreenEntryTag, String) -> Void
+    let selectNextInputItem: (WalletReceiveScreenEntryTag) -> Void
+    let dismissInput: () -> Void
     let copyAddress: () -> Void
     let shareAddressLink: () -> Void
+    let openQrCode: () -> Void
+    let displayQrCodeContextMenu: () -> Void
+    let scrollToBottom: () -> Void
     
-    init(context: AccountContext, copyAddress: @escaping () -> Void, shareAddressLink: @escaping () -> Void) {
+    init(context: AccountContext, updateState: @escaping ((WalletReceiveScreenState) -> WalletReceiveScreenState) -> Void, updateText: @escaping (WalletReceiveScreenEntryTag, String) -> Void, selectNextInputItem: @escaping (WalletReceiveScreenEntryTag) -> Void, dismissInput: @escaping () -> Void, copyAddress: @escaping () -> Void, shareAddressLink: @escaping () -> Void, openQrCode: @escaping () -> Void, displayQrCodeContextMenu: @escaping () -> Void, scrollToBottom: @escaping () -> Void) {
         self.context = context
+        self.updateState = updateState
+        self.updateText = updateText
+        self.selectNextInputItem = selectNextInputItem
+        self.dismissInput = dismissInput
         self.copyAddress = copyAddress
         self.shareAddressLink = shareAddressLink
+        self.openQrCode = openQrCode
+        self.displayQrCodeContextMenu = displayQrCodeContextMenu
+        self.scrollToBottom = scrollToBottom
     }
 }
 
 private enum WalletReceiveScreenSection: Int32 {
     case address
+    case amount
+    case comment
+}
+
+private enum WalletReceiveScreenEntryTag: ItemListItemTag {
+    case amount
+    case comment
+    
+    func isEqual(to other: ItemListItemTag) -> Bool {
+        if let other = other as? WalletReceiveScreenEntryTag {
+            return self == other
+        } else {
+            return false
+        }
+    }
 }
 
 private enum WalletReceiveScreenEntry: ItemListNodeEntry {
-    case addressHeader(PresentationTheme, String)
     case addressCode(PresentationTheme, String)
-    case address(PresentationTheme, String)
+    case addressHeader(PresentationTheme, String)
+    case address(PresentationTheme, String, Bool)
     case copyAddress(PresentationTheme, String)
     case shareAddressLink(PresentationTheme, String)
     case addressInfo(PresentationTheme, String)
+    case amountHeader(PresentationTheme, String)
+    case amount(PresentationTheme, PresentationStrings, String, String)
+    case commentHeader(PresentationTheme, String)
+    case comment(PresentationTheme, String, String)
     
     var section: ItemListSectionId {
         switch self {
-        case .addressHeader, .addressCode, .address, .copyAddress, .shareAddressLink, .addressInfo:
+        case .addressCode, .addressHeader, .address, .copyAddress, .shareAddressLink, .addressInfo:
             return WalletReceiveScreenSection.address.rawValue
+        case .amountHeader, .amount:
+            return WalletReceiveScreenSection.amount.rawValue
+        case .commentHeader, .comment:
+            return WalletReceiveScreenSection.comment.rawValue
         }
     }
     
     var stableId: Int32 {
         switch self {
-        case .addressHeader:
-            return 0
         case .addressCode:
+            return 0
+        case .addressHeader:
             return 1
         case .address:
             return 2
@@ -63,25 +94,33 @@ private enum WalletReceiveScreenEntry: ItemListNodeEntry {
             return 4
         case .addressInfo:
             return 5
+        case .amountHeader:
+            return 6
+        case .amount:
+            return 7
+        case .commentHeader:
+            return 8
+        case .comment:
+            return 9
         }
     }
     
     static func ==(lhs: WalletReceiveScreenEntry, rhs: WalletReceiveScreenEntry) -> Bool {
         switch lhs {
-        case let .addressHeader(lhsTheme, lhsText):
-            if case let .addressHeader(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
-                return true
-            } else {
-                return false
-            }
         case let .addressCode(lhsTheme, lhsAddress):
             if case let .addressCode(rhsTheme, rhsAddress) = rhs, lhsTheme === rhsTheme, lhsAddress == rhsAddress {
                 return true
             } else {
                 return false
             }
-        case let .address(lhsTheme, lhsAddress):
-            if case let .address(rhsTheme, rhsAddress) = rhs, lhsTheme === rhsTheme, lhsAddress == rhsAddress {
+        case let .addressHeader(lhsTheme, lhsText):
+            if case let .addressHeader(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
+                return true
+            } else {
+                return false
+            }
+        case let .address(lhsTheme, lhsAddress, lhsMonospace):
+            if case let .address(rhsTheme, rhsAddress, rhsMonospace) = rhs, lhsTheme === rhsTheme, lhsAddress == rhsAddress, lhsMonospace == rhsMonospace {
                 return true
             } else {
                 return false
@@ -104,6 +143,30 @@ private enum WalletReceiveScreenEntry: ItemListNodeEntry {
             } else {
                 return false
             }
+        case let .amountHeader(lhsTheme, lhsText):
+            if case let .amountHeader(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
+                return true
+            } else {
+                return false
+            }
+        case let .amount(lhsTheme, lhsStrings, lhsPlaceholder, lhsBalance):
+            if case let .amount(rhsTheme, rhsStrings, rhsPlaceholder, rhsBalance) = rhs, lhsTheme === rhsTheme, lhsStrings === rhsStrings, lhsPlaceholder == rhsPlaceholder, lhsBalance == rhsBalance {
+                return true
+            } else {
+                return false
+            }
+        case let .commentHeader(lhsTheme, lhsText):
+            if case let .commentHeader(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
+                return true
+            } else {
+                return false
+            }
+        case let .comment(lhsTheme, lhsPlaceholder, lhsText):
+            if case let .comment(rhsTheme, rhsPlaceholder, rhsText) = rhs, lhsTheme === rhsTheme, lhsPlaceholder == rhsPlaceholder, lhsText == rhsText {
+                return true
+            } else {
+                return false
+            }
         }
     }
     
@@ -113,12 +176,16 @@ private enum WalletReceiveScreenEntry: ItemListNodeEntry {
     
     func item(_ arguments: WalletReceiveScreenArguments) -> ListViewItem {
         switch self {
+        case let .addressCode(theme, text):
+            return WalletQrCodeItem(theme: theme, address: text, sectionId: self.section, style: .blocks, action: {
+                arguments.openQrCode()
+            }, longTapAction: {
+                arguments.displayQrCodeContextMenu()
+            })
         case let .addressHeader(theme, text):
             return ItemListSectionHeaderItem(theme: theme, text: text, sectionId: self.section)
-        case let .addressCode(theme, address):
-            return WalletQrCodeItem(theme: theme, address: "ton://\(address)", sectionId: self.section, style: .blocks)
-        case let .address(theme, address):
-            return ItemListMultilineTextItem(theme: theme, text: address, enabledEntityTypes: [], font: .monospace, sectionId: self.section, style: .blocks)
+        case let .address(theme, text, monospace):
+            return ItemListMultilineTextItem(theme: theme, text: text, enabledEntityTypes: [], font: monospace ? .monospace : .default, sectionId: self.section, style: .blocks)
         case let .copyAddress(theme, text):
             return ItemListActionItem(theme: theme, title: text, kind: .generic, alignment: .natural, sectionId: self.section, style: .blocks, action: {
                 arguments.copyAddress()
@@ -129,18 +196,97 @@ private enum WalletReceiveScreenEntry: ItemListNodeEntry {
             })
         case let .addressInfo(theme, text):
             return ItemListTextItem(theme: theme, text: .markdown(text), sectionId: self.section)
+        case let .amountHeader(theme, text):
+            return ItemListSectionHeaderItem(theme: theme, text: text, sectionId: self.section)
+        case let .amount(theme, strings, placeholder, text):
+            return ItemListSingleLineInputItem(theme: theme, strings: strings, title: NSAttributedString(string: ""), text: text, placeholder: placeholder, type: .decimal, returnKeyType: .next, tag: WalletReceiveScreenEntryTag.amount, sectionId: self.section, textUpdated: { text in
+                let text = formatAmountText(text, decimalSeparator: arguments.context.sharedContext.currentPresentationData.with { $0 }.dateTimeFormat.decimalSeparator)
+                arguments.updateText(WalletReceiveScreenEntryTag.amount, text)
+            }, shouldUpdateText: { text in
+                return isValidAmount(text)
+            }, processPaste: { pastedText in
+                if isValidAmount(pastedText) {
+                    return normalizedStringForGramsString(pastedText)
+                } else {
+                    return text
+                }
+            }, updatedFocus: { focus in
+                arguments.updateState { state in
+                    var state = state
+                    state.focusItemTag = focus ? WalletReceiveScreenEntryTag.amount : nil
+                    return state
+                }
+                if focus {
+                    arguments.scrollToBottom()
+                } else {
+                    let presentationData = arguments.context.sharedContext.currentPresentationData.with { $0 }
+                    arguments.updateState { state in
+                        var state = state
+                        if !state.amount.isEmpty {
+                            state.amount = normalizedStringForGramsString(state.amount, decimalSeparator: presentationData.dateTimeFormat.decimalSeparator)
+                        }
+                        return state
+                    }
+                }
+            }, action: {
+                arguments.selectNextInputItem(WalletReceiveScreenEntryTag.amount)
+            })
+        case let .commentHeader(theme, text):
+            return ItemListSectionHeaderItem(theme: theme, text: text, sectionId: self.section)
+        case let .comment(theme, placeholder, value):
+            return ItemListMultilineInputItem(theme: theme, text: value, placeholder: placeholder, maxLength: ItemListMultilineInputItemTextLimit(value: 128, display: true), sectionId: self.section, style: .blocks, returnKeyType: .done, textUpdated: { text in
+                arguments.updateText(WalletReceiveScreenEntryTag.comment, text)
+            }, updatedFocus: { focus in
+                arguments.updateState { state in
+                    var state = state
+                    state.focusItemTag = focus ? WalletReceiveScreenEntryTag.comment : nil
+                    return state
+                }
+                if focus {
+                    arguments.scrollToBottom()
+                }
+            }, tag: WalletReceiveScreenEntryTag.comment, action: {
+                arguments.dismissInput()
+            })
         }
     }
 }
 
-private func walletReceiveScreenEntries(presentationData: PresentationData, address: String) -> [WalletReceiveScreenEntry] {
+private struct WalletReceiveScreenState: Equatable {
+    var amount: String
+    var comment: String
+    var focusItemTag: WalletReceiveScreenEntryTag?
+    
+    var isEmpty: Bool {
+        return self.amount.isEmpty && self.comment.isEmpty
+    }
+}
+
+private func walletReceiveScreenEntries(presentationData: PresentationData, address: String, state: WalletReceiveScreenState) -> [WalletReceiveScreenEntry] {
     var entries: [WalletReceiveScreenEntry] = []
-    entries.append(.addressHeader(presentationData.theme, "YOUR WALLET ADDRESS"))
-    entries.append(.addressCode(presentationData.theme, address))
-    entries.append(.address(presentationData.theme, formatAddress(address)))
-    entries.append(.copyAddress(presentationData.theme, "Copy Wallet Address"))
-    entries.append(.shareAddressLink(presentationData.theme, "Share Wallet Address"))
+    entries.append(.addressCode(presentationData.theme, invoiceUrl(address: address, state: state, escapeComment: true)))
+    entries.append(.addressHeader(presentationData.theme, state.isEmpty ? "YOUR WALLET ADDRESS" : "INVOICE URL"))
+    
+    let addressText: String
+    var addressMonospace = false
+    if state.isEmpty {
+        addressText = formatAddress(address)
+        addressMonospace = true
+    } else {
+        addressText = invoiceUrl(address: address, state: state, escapeComment: false)
+    }
+    entries.append(.address(presentationData.theme, addressText, addressMonospace))
+    entries.append(.copyAddress(presentationData.theme, state.isEmpty ? "Copy Wallet Address" : "Copy Invoice URL"))
+    entries.append(.shareAddressLink(presentationData.theme, state.isEmpty ? "Share Wallet Address" : "Share Invoice URL"))
     entries.append(.addressInfo(presentationData.theme, "Share this link with other Gram wallet owners to receive Grams from them."))
+    
+    let amount = amountValue(state.amount)
+    entries.append(.amountHeader(presentationData.theme, "AMOUNT"))
+    entries.append(.amount(presentationData.theme, presentationData.strings, "Grams to receive", state.amount ?? ""))
+    
+    entries.append(.commentHeader(presentationData.theme, "COMMENT (OPTIONAL)"))
+    entries.append(.comment(presentationData.theme, "Description of the payment", state.comment))
+    
     return entries
 }
 
@@ -152,42 +298,176 @@ private final class WalletReceiveScreenImpl: ItemListController<WalletReceiveScr
     
 }
 
-func walletReceiveScreen(context: AccountContext, tonContext: TonContext, walletInfo: WalletInfo, address: String) -> ViewController {
-    var presentControllerImpl: ((ViewController, Any?) -> Void)?
-    var dismissImpl: (() -> Void)?
-    
-    let arguments = WalletReceiveScreenArguments(context: context, copyAddress: {
-        let presentationData = context.sharedContext.currentPresentationData.with { $0 }
-        
-        UIPasteboard.general.string = address
+private func invoiceUrl(address: String, state: WalletReceiveScreenState, escapeComment: Bool = true) -> String {
+    let escapedAddress = address.replacingOccurrences(of: "+", with: "-").replacingOccurrences(of: "/", with: "_")
+    var arguments = ""
+    if !state.amount.isEmpty {
+        arguments += arguments.isEmpty ? "/?" : "&"
+        arguments += "amount=\(amountValue(state.amount))"
+    }
+    if !state.comment.isEmpty, let escapedComment = state.comment.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) {
+        arguments += arguments.isEmpty ? "/?" : "&"
+        if escapeComment {
+            arguments += "text=\(escapedComment)"
+        } else {
+            arguments += "text=\(state.comment)"
+        }
+    }
+    return "ton://\(escapedAddress)\(arguments)"
+}
 
-        presentControllerImpl?(OverlayStatusController(theme: presentationData.theme, strings: presentationData.strings, type: .genericSuccess("Address copied to clipboard.", false)), nil)
+func walletReceiveScreen(context: AccountContext, tonContext: TonContext, walletInfo: WalletInfo, address: String) -> ViewController {
+    let initialState = WalletReceiveScreenState(amount: "", comment: "", focusItemTag: nil)
+    let statePromise = ValuePromise(initialState, ignoreRepeated: true)
+    let stateValue = Atomic(value: initialState)
+    let updateState: ((WalletReceiveScreenState) -> WalletReceiveScreenState) -> Void = { f in
+        statePromise.set(stateValue.modify { f($0) })
+    }
+    
+    var presentControllerImpl: ((ViewController, Any?) -> Void)?
+    var pushImpl: ((ViewController) -> Void)?
+    var dismissImpl: (() -> Void)?
+    var selectNextInputItemImpl: ((WalletReceiveScreenEntryTag) -> Void)?
+    var dismissInputImpl: (() -> Void)?
+    var ensureItemVisibleImpl: ((WalletReceiveScreenEntryTag, Bool) -> Void)?
+    var displayQrCodeContextMenuImpl: (() -> Void)?
+    
+    weak var currentStatusController: ViewController?
+    let arguments = WalletReceiveScreenArguments(context: context, updateState: { f in
+        updateState(f)
+    }, updateText: { tag, value in
+        updateState { state in
+            var state = state
+            switch tag {
+            case .amount:
+                state.amount = value
+            case .comment:
+                state.comment = value
+            }
+            return state
+        }
+        ensureItemVisibleImpl?(tag, false)
+    }, selectNextInputItem: { tag in
+        selectNextInputItemImpl?(tag)
+    }, dismissInput: {
+        dismissInputImpl?()
+    }, copyAddress: {
+        let presentationData = context.sharedContext.currentPresentationData.with { $0 }
+        let state = stateValue.with { $0 }
+        
+        let successText: String
+        if state.isEmpty {
+            UIPasteboard.general.string = address
+            successText = "Address copied to clipboard."
+        } else {
+            UIPasteboard.general.string = invoiceUrl(address: address, state: state)
+            successText = "Invoice URL copied to clipboard."
+        }
+        
+        if currentStatusController == nil {
+            let statusController = OverlayStatusController(theme: presentationData.theme, strings: presentationData.strings, type: .genericSuccess(successText, false))
+            presentControllerImpl?(statusController, nil)
+            currentStatusController = statusController
+        }
     }, shareAddressLink: {
-        let controller = ShareController(context: context, subject: .url("ton://\(address)"), preferredAction: .default)
+        dismissInputImpl?()
+        let state = stateValue.with { $0 }
+        let url = invoiceUrl(address: address, state: state)
+        let controller = ShareController(context: context, subject: .url(url), preferredAction: .default)
         presentControllerImpl?(controller, nil)
+    }, openQrCode: {
+        dismissInputImpl?()
+        let state = stateValue.with { $0 }
+        let url = invoiceUrl(address: address, state: state)
+        pushImpl?(WalletQrViewScreen(context: context, invoice: url))
+    }, displayQrCodeContextMenu: {
+        dismissInputImpl?()
+        displayQrCodeContextMenuImpl?()
+    }, scrollToBottom: {
+        ensureItemVisibleImpl?(WalletReceiveScreenEntryTag.comment, true)
     })
     
-    let address: Signal<String, NoError> = .single(address)
-    
-    let signal = combineLatest(queue: .mainQueue(), context.sharedContext.presentationData, address)
-    |> map { presentationData, address -> (ItemListControllerState, (ItemListNodeState<WalletReceiveScreenEntry>, WalletReceiveScreenEntry.ItemGenerationArguments)) in
+    let signal = combineLatest(queue: .mainQueue(), context.sharedContext.presentationData, statePromise.get())
+    |> map { presentationData, state -> (ItemListControllerState, (ItemListNodeState<WalletReceiveScreenEntry>, WalletReceiveScreenEntry.ItemGenerationArguments)) in
+        
         let rightNavigationButton = ItemListNavigationButton(content: .text(presentationData.strings.Common_Done), style: .regular, enabled: true, action: {
             dismissImpl?()
         })
+        
+        var ensureVisibleItemTag: ItemListItemTag?
+        if let focusItemTag = state.focusItemTag {
+            ensureVisibleItemTag = focusItemTag
+        }
     
-        let controllerState = ItemListControllerState(theme: presentationData.theme, title: .text("Receive Grams"), leftNavigationButton: rightNavigationButton, rightNavigationButton: nil, backNavigationButton: ItemListBackButton(title: presentationData.strings.Common_Back), animateChanges: false)
-        let listState = ItemListNodeState(entries: walletReceiveScreenEntries(presentationData: presentationData, address: address), style: .blocks, animateChanges: false)
+        let controllerState = ItemListControllerState(theme: presentationData.theme, title: .text("Receive Grams"), leftNavigationButton: ItemListNavigationButton(content: .none, style: .regular, enabled: false, action: {}), rightNavigationButton: rightNavigationButton, backNavigationButton: ItemListBackButton(title: presentationData.strings.Common_Back), animateChanges: false)
+        let listState = ItemListNodeState(entries: walletReceiveScreenEntries(presentationData: presentationData, address: address, state: state), style: .blocks, ensureVisibleItemTag: ensureVisibleItemTag, animateChanges: false)
         
         return (controllerState, (listState, arguments))
     }
     
     let controller = WalletReceiveScreenImpl(context: context, state: signal)
     controller.navigationPresentation = .modal
+    controller.supportedOrientations = ViewControllerSupportedOrientations(regularSize: .all, compactSize: .portrait)
+    controller.experimentalSnapScrollToItem = true
     presentControllerImpl = { [weak controller] c, a in
         controller?.present(c, in: .window(.root), with: a)
     }
+    pushImpl = { [weak controller] c in
+        controller?.push(c)
+    }
     dismissImpl = { [weak controller] in
+        controller?.view.endEditing(true)
         let _ = controller?.dismiss()
     }
+    selectNextInputItemImpl = { [weak controller] currentTag in
+        guard let controller = controller else {
+            return
+        }
+        var resultItemNode: ItemListItemFocusableNode?
+        var focusOnNext = false
+        let _ = controller.frameForItemNode({ itemNode in
+            if let itemNode = itemNode as? ItemListItemNode, let tag = itemNode.tag, let focusableItemNode = itemNode as? ItemListItemFocusableNode {
+                if focusOnNext && resultItemNode == nil {
+                    resultItemNode = focusableItemNode
+                    return true
+                } else if currentTag.isEqual(to: tag) {
+                    focusOnNext = true
+                }
+            }
+            return false
+        })
+        if let resultItemNode = resultItemNode {
+            resultItemNode.focus()
+        }
+    }
+    dismissInputImpl = { [weak controller] in
+        controller?.view.endEditing(true)
+    }
+    ensureItemVisibleImpl = { [weak controller] targetTag, animated in
+        controller?.afterLayout({
+            guard let controller = controller else {
+                return
+            }
+            var resultItemNode: ListViewItemNode?
+            let state = stateValue.with({ $0 })
+            let _ = controller.frameForItemNode({ itemNode in
+                if let itemNode = itemNode as? ItemListItemNode {
+                    if let tag = itemNode.tag, tag.isEqual(to: targetTag) {
+                        resultItemNode = itemNode as? ListViewItemNode
+                        return true
+                    }
+                }
+                return false
+            })
+            if let resultItemNode = resultItemNode {
+                controller.ensureItemNodeVisible(resultItemNode, animated: animated)
+            }
+        })
+    }
+    displayQrCodeContextMenuImpl = { [weak controller] in
+        let state = stateValue.with { $0 }
+        let url = invoiceUrl(address: address, state: state)
+        shareInvoiceQrCode(context: context, invoice: url)
+    }
     return controller
 }

submodules/WalletUI/Sources/WalletSendScreen.swift

@@ -11,21 +11,27 @@ import ItemListUI
 import SwiftSignalKit
 import AlertUI
 import TextFormat
+import DeviceAccess
+import TelegramStringFormatting
+import UrlHandling
 
-private let walletAddressLength: Int = 48
 private let balanceIcon = UIImage(bundleImageName: "Wallet/TransactionGem")?.precomposed()
 
 private final class WalletSendScreenArguments {
     let context: AccountContext
     let updateState: ((WalletSendScreenState) -> WalletSendScreenState) -> Void
+    let updateText: (WalletSendScreenEntryTag, String) -> Void
     let selectNextInputItem: (WalletSendScreenEntryTag) -> Void
+    let dismissInput: () -> Void
     let openQrScanner: () -> Void
     let proceed: () -> Void
     
-    init(context: AccountContext, updateState: @escaping ((WalletSendScreenState) -> WalletSendScreenState) -> Void, selectNextInputItem: @escaping (WalletSendScreenEntryTag) -> Void, openQrScanner: @escaping () -> Void, proceed: @escaping () -> Void) {
+    init(context: AccountContext, updateState: @escaping ((WalletSendScreenState) -> WalletSendScreenState) -> Void, updateText: @escaping (WalletSendScreenEntryTag, String) -> Void, selectNextInputItem: @escaping (WalletSendScreenEntryTag) -> Void, dismissInput: @escaping () -> Void, openQrScanner: @escaping () -> Void, proceed: @escaping () -> Void) {
         self.context = context
         self.updateState = updateState
+        self.updateText = updateText
         self.selectNextInputItem = selectNextInputItem
+        self.dismissInput = dismissInput
         self.openQrScanner = openQrScanner
         self.proceed = proceed
     }
@@ -51,76 +57,12 @@ private enum WalletSendScreenEntryTag: ItemListItemTag {
     }
 }
 
-private let invalidAddressCharacters = CharacterSet(charactersIn: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=").inverted
-private func isValidAddress(_ address: String, exactLength: Bool = false) -> Bool {
-    if address.count > walletAddressLength || address.rangeOfCharacter(from: invalidAddressCharacters) != nil {
-        return false
-    }
-    if exactLength && address.count != walletAddressLength {
-        return false
-    }
-    return true
-}
-
-private let invalidAmountCharacters = CharacterSet(charactersIn: "01234567890.,").inverted
-private func isValidAmount(_ amount: String) -> Bool {
-    if amount.rangeOfCharacter(from: invalidAmountCharacters) != nil {
-        return false
-    }
-    var hasDecimalSeparator = false
-    var hasLeadingZero = false
-    var index = 0
-    for c in amount {
-        if c == "." || c == "," {
-            if !hasDecimalSeparator {
-                hasDecimalSeparator = true
-            } else {
-                return false
-            }
-        }
-        index += 1
-    }
-    
-    var decimalIndex: String.Index?
-    if let index = amount.firstIndex(of: ".") {
-        decimalIndex = index
-    } else if let index = amount.firstIndex(of: ",") {
-        decimalIndex = index
-    }
-    
-    if let decimalIndex = decimalIndex, amount.distance(from: decimalIndex, to: amount.endIndex) > 10 {
-        return false
-    }
-    
-    return true
-}
-
-private func formatAmountText(_ amount: Int64, decimalSeparator: String = ".") -> String {
-    if amount < 1000000000 {
-        return "0\(decimalSeparator)\(String(amount).rightJustified(width: 9, pad: "0"))"
-    } else {
-        var string = String(amount)
-        string.insert(contentsOf: decimalSeparator, at: string.index(string.endIndex, offsetBy: -9))
-        return string
-    }
-}
-
-private func amountValue(_ string: String) -> Int64 {
-    return Int64((Double(string.replacingOccurrences(of: ",", with: ".")) ?? 0.0) * 1000000000.0)
-}
-
-private func normalizedStringForGramsString(_ string: String, decimalSeparator: String = ".") -> String {
-    return formatAmountText(amountValue(string), decimalSeparator: decimalSeparator)
-}
-
 private enum WalletSendScreenEntry: ItemListNodeEntry {
     case addressHeader(PresentationTheme, String)
     case address(PresentationTheme, String, String)
     case addressInfo(PresentationTheme, String)
-    
     case amountHeader(PresentationTheme, String, String?, Bool)
     case amount(PresentationTheme, PresentationStrings, String, String)
-    
     case commentHeader(PresentationTheme, String)
     case comment(PresentationTheme, String, String)
     
@@ -180,8 +122,8 @@ private enum WalletSendScreenEntry: ItemListNodeEntry {
             } else {
                 return false
             }
-        case let .amount(lhsTheme, lhsStrings, lhsPlaceholder, lhsBalance):
-            if case let .amount(rhsTheme, rhsStrings, rhsPlaceholder, rhsBalance) = rhs, lhsTheme === rhsTheme, lhsStrings === rhsStrings, lhsPlaceholder == rhsPlaceholder, lhsBalance == rhsBalance {
+        case let .amount(lhsTheme, lhsStrings, lhsPlaceholder, lhsAmount):
+            if case let .amount(rhsTheme, rhsStrings, rhsPlaceholder, rhsAmount) = rhs, lhsTheme === rhsTheme, lhsStrings === rhsStrings, lhsPlaceholder == rhsPlaceholder, lhsAmount == rhsAmount {
                 return true
             } else {
                 return false
@@ -210,14 +152,44 @@ private enum WalletSendScreenEntry: ItemListNodeEntry {
         case let .addressHeader(theme, text):
             return ItemListSectionHeaderItem(theme: theme, text: text, sectionId: self.section)
         case let .address(theme, placeholder, address):
-            return ItemListMultilineInputItem(theme: theme, text: address, placeholder: placeholder, maxLength: .init(value: walletAddressLength, display: false), sectionId: self.section, style: .blocks, capitalization: false, autocorrection: false, returnKeyType: .next, minimalHeight: 68.0, textUpdated: { address in
-                arguments.updateState { state in
-                    var state = state
-                    state.address = address.replacingOccurrences(of: "\n", with: "")
-                    return state
-                }
+            return ItemListMultilineInputItem(theme: theme, text: address, placeholder: placeholder, maxLength: .init(value: walletAddressLength, display: false), sectionId: self.section, style: .blocks, capitalization: false, autocorrection: false, returnKeyType: .next, minimalHeight: 68.0, textUpdated: { text in
+                arguments.updateText(WalletSendScreenEntryTag.address, text.replacingOccurrences(of: "\n", with: ""))
             }, shouldUpdateText: { text in
                 return isValidAddress(text)
+            }, processPaste: { text in
+                if let url = URL(string: text), let parsedUrl = parseWalletUrl(url) {
+                    var focusItemTag: WalletSendScreenEntryTag?
+                    arguments.updateState { state in
+                        var state = state
+                        state.address = parsedUrl.address
+                        if let amount = parsedUrl.amount {
+                            state.amount = formatBalanceText(amount, decimalSeparator: arguments.context.sharedContext.currentPresentationData.with { $0 }.dateTimeFormat.decimalSeparator)
+                        } else if state.amount.isEmpty {
+                            focusItemTag = WalletSendScreenEntryTag.address
+                        }
+                        if let comment = parsedUrl.comment {
+                            state.comment = comment
+                        } else if state.comment.isEmpty && focusItemTag == nil {
+                            focusItemTag = WalletSendScreenEntryTag.amount
+                        }
+                        return state
+                    }
+                    if let focusItemTag = focusItemTag {
+                        arguments.selectNextInputItem(focusItemTag)
+                    } else {
+                        arguments.dismissInput()
+                    }
+                } else if isValidAddress(text) {
+                    arguments.updateText(WalletSendScreenEntryTag.address, text)
+                    if isValidAddress(text, exactLength: true, url: false) {
+                        arguments.selectNextInputItem(WalletSendScreenEntryTag.address)
+                    }
+                } else if isValidAddress(text, url: true) {
+                    arguments.updateText(WalletSendScreenEntryTag.address, convertedAddress(text, url: false))
+                    if isValidAddress(text, exactLength: true, url: true) {
+                        arguments.selectNextInputItem(WalletSendScreenEntryTag.address)
+                    }
+                }
             }, tag: WalletSendScreenEntryTag.address, action: {
                 arguments.selectNextInputItem(WalletSendScreenEntryTag.address)
             }, inlineAction: ItemListMultilineInputInlineAction(icon: UIImage(bundleImageName: "Wallet/QrIcon")!, action: {
@@ -229,16 +201,14 @@ private enum WalletSendScreenEntry: ItemListNodeEntry {
             return ItemListSectionHeaderItem(theme: theme, text: text, activityIndicator: balance == nil ? .right : .none, accessoryText: balance.flatMap { ItemListSectionHeaderAccessoryText(value: $0, color: insufficient ? .destructive : .generic, icon: balanceIcon) }, sectionId: self.section)
         case let .amount(theme, strings, placeholder, text):
             return ItemListSingleLineInputItem(theme: theme, strings: strings, title: NSAttributedString(string: ""), text: text, placeholder: placeholder, type: .decimal, returnKeyType: .next, tag: WalletSendScreenEntryTag.amount, sectionId: self.section, textUpdated: { text in
-                arguments.updateState { state in
-                    var state = state
-                    state.amount = text
-                    return state
-                }
+                let text = formatAmountText(text, decimalSeparator: arguments.context.sharedContext.currentPresentationData.with { $0 }.dateTimeFormat.decimalSeparator)
+                arguments.updateText(WalletSendScreenEntryTag.amount, text)
             }, shouldUpdateText: { text in
                 return isValidAmount(text)
             }, processPaste: { pastedText in
                 if isValidAmount(pastedText) {
-                    return normalizedStringForGramsString(pastedText)
+                    let presentationData = arguments.context.sharedContext.currentPresentationData.with { $0 }
+                    return normalizedStringForGramsString(pastedText, decimalSeparator: presentationData.dateTimeFormat.decimalSeparator)
                 } else {
                     return text
                 }
@@ -259,12 +229,8 @@ private enum WalletSendScreenEntry: ItemListNodeEntry {
         case let .commentHeader(theme, text):
             return ItemListSectionHeaderItem(theme: theme, text: text, sectionId: self.section)
         case let .comment(theme, placeholder, value):
-            return ItemListMultilineInputItem(theme: theme, text: value, placeholder: placeholder, maxLength: ItemListMultilineInputItemTextLimit(value: 128, display: true), sectionId: self.section, style: .blocks, returnKeyType: .send, textUpdated: { comment in
-                arguments.updateState { state in
-                    var state = state
-                    state.text = comment
-                    return state
-                }
+            return ItemListMultilineInputItem(theme: theme, text: value, placeholder: placeholder, maxLength: ItemListMultilineInputItemTextLimit(value: 128, display: true), sectionId: self.section, style: .blocks, returnKeyType: .send, textUpdated: { text in
+                arguments.updateText(WalletSendScreenEntryTag.comment, text)
             }, tag: WalletSendScreenEntryTag.comment, action: {
                 arguments.proceed()
             })
@@ -275,7 +241,7 @@ private enum WalletSendScreenEntry: ItemListNodeEntry {
 private struct WalletSendScreenState: Equatable {
     var address: String
     var amount: String
-    var text: String
+    var comment: String
 }
 
 private func walletSendScreenEntries(presentationData: PresentationData, balance: Int64?, state: WalletSendScreenState) -> [WalletSendScreenEntry] {
@@ -289,8 +255,8 @@ private func walletSendScreenEntries(presentationData: PresentationData, balance
     entries.append(.amountHeader(presentationData.theme, "AMOUNT", balance.flatMap { "BALANCE: \(formatBalanceText($0, decimalSeparator: presentationData.dateTimeFormat.decimalSeparator))" }, amount > 0 && (balance ?? 0) < amount))
     entries.append(.amount(presentationData.theme, presentationData.strings, "Grams to send", state.amount ?? ""))
     
-    entries.append(.commentHeader(presentationData.theme, "COMMENT"))
-    entries.append(.comment(presentationData.theme, "Optional description of the payment", state.text))
+    entries.append(.commentHeader(presentationData.theme, "COMMENT (OPTIONAL)"))
+    entries.append(.comment(presentationData.theme, "Description of the payment", state.comment))
     return entries
 }
 
@@ -302,10 +268,10 @@ private final class WalletSendScreenImpl: ItemListController<WalletSendScreenEnt
     
 }
 
-func walletSendScreen(context: AccountContext, tonContext: TonContext, walletInfo: WalletInfo, address: String? = nil, amount: Int64? = nil, text: String? = nil) -> ViewController {
+public func walletSendScreen(context: AccountContext, tonContext: TonContext, walletInfo: WalletInfo, address: String? = nil, amount: Int64? = nil, comment: String? = nil) -> ViewController {
     let presentationData = context.sharedContext.currentPresentationData.with { $0 }
-    let initialState = WalletSendScreenState(address: address ?? "", amount: amount.flatMap { formatAmountText($0, decimalSeparator: presentationData.dateTimeFormat.decimalSeparator) } ?? "", text: text ?? "")
-    
+   
+    let initialState = WalletSendScreenState(address: address ?? "", amount: amount.flatMap { formatBalanceText($0, decimalSeparator: presentationData.dateTimeFormat.decimalSeparator) } ?? "", comment: comment ?? "")
     let statePromise = ValuePromise(initialState, ignoreRepeated: true)
     let stateValue = Atomic(value: initialState)
     let updateState: ((WalletSendScreenState) -> WalletSendScreenState) -> Void = { f in
@@ -319,36 +285,63 @@ func walletSendScreen(context: AccountContext, tonContext: TonContext, walletInf
     var dismissImpl: (() -> Void)?
     var dismissInputImpl: (() -> Void)?
     var selectNextInputItemImpl: ((WalletSendScreenEntryTag) -> Void)?
+    var ensureItemVisibleImpl: ((WalletSendScreenEntryTag) -> Void)?
     
     let arguments = WalletSendScreenArguments(context: context, updateState: { f in
         updateState(f)
+    }, updateText: { tag, value in
+        updateState { state in
+            var state = state
+            switch tag {
+            case .address:
+                state.address = value
+            case .amount:
+                state.amount = value
+            case .comment:
+                state.comment = value
+            }
+            return state
+        }
+        ensureItemVisibleImpl?(tag)
     }, selectNextInputItem: { tag in
         selectNextInputItemImpl?(tag)
+    }, dismissInput: {
+        dismissInputImpl?()
     }, openQrScanner: {
         dismissInputImpl?()
-        pushImpl?(WalletQrScanScreen(context: context, completion: { address, amount, comment in
-            var updatedState: WalletSendScreenState?
-            updateState { state in
-                var state = state
-                state.address = address
-                if let amount = amount {
-                    state.amount = formatAmountText(amount, decimalSeparator: presentationData.dateTimeFormat.decimalSeparator)
-                }
-                if let comment = comment {
-                    state.text = comment
-                }
-                updatedState = state
-                return state
+        
+        DeviceAccess.authorizeAccess(to: .camera, presentationData: presentationData, present: { c, a in
+            presentControllerImpl?(c, a)
+        }, openSettings: {
+            context.sharedContext.applicationBindings.openSettings()
+        }, { granted in
+            guard granted else {
+                return
             }
-            popImpl?()
-            if let updatedState = updatedState {
-                if updatedState.amount.isEmpty {
-                    selectNextInputItemImpl?(WalletSendScreenEntryTag.address)
-                } else if updatedState.text.isEmpty {
-                    selectNextInputItemImpl?(WalletSendScreenEntryTag.amount)
+            pushImpl?(WalletQrScanScreen(context: context, completion: { parsedUrl in
+                var updatedState: WalletSendScreenState?
+                updateState { state in
+                    var state = state
+                    state.address = parsedUrl.address
+                    if let amount = parsedUrl.amount {
+                        state.amount = formatBalanceText(amount, decimalSeparator: presentationData.dateTimeFormat.decimalSeparator)
+                    }
+                    if let comment = parsedUrl.comment {
+                        state.comment = comment
+                    }
+                    updatedState = state
+                    return state
                 }
-            }
-        }))
+                popImpl?()
+                if let updatedState = updatedState {
+                    if updatedState.amount.isEmpty {
+                        selectNextInputItemImpl?(WalletSendScreenEntryTag.address)
+                    } else if updatedState.comment.isEmpty {
+                        selectNextInputItemImpl?(WalletSendScreenEntryTag.amount)
+                    }
+                }
+            }))
+        })
     }, proceed: {
         let presentationData = context.sharedContext.currentPresentationData.with { $0 }
         let state = stateValue.with { $0 }
@@ -356,7 +349,7 @@ func walletSendScreen(context: AccountContext, tonContext: TonContext, walletInf
         
         updateState { state in
             var state = state
-            state.amount = formatAmountText(amount, decimalSeparator: presentationData.dateTimeFormat.decimalSeparator)
+            state.amount = formatBalanceText(amount, decimalSeparator: presentationData.dateTimeFormat.decimalSeparator)
             return state
         }
         
@@ -375,7 +368,7 @@ func walletSendScreen(context: AccountContext, tonContext: TonContext, walletInf
             dismissAlertImpl?(true)
         }), TextAlertAction(type: .defaultAction, title: "Confirm", action: {
             dismissAlertImpl?(false)
-            pushImpl?(WalletSplashScreen(context: context, tonContext: tonContext, mode: .sending(walletInfo, state.address, amount, state.text)))
+            pushImpl?(WalletSplashScreen(context: context, tonContext: tonContext, mode: .sending(walletInfo, state.address, amount, state.comment)))
         })], dismissAutomatically: false)
         presentInGlobalOverlayImpl?(controller, nil)
         
@@ -419,7 +412,7 @@ func walletSendScreen(context: AccountContext, tonContext: TonContext, walletInf
         let amount = amountValue(state.amount)
         var sendEnabled = false
         if let balance = balance {
-            sendEnabled = isValidAddress(state.address, exactLength: true) && amount > 0 && amount <= balance.balance
+            sendEnabled = isValidAddress(state.address, exactLength: true) && amount > 0 && amount <= balance.balance && state.comment.count <= 128
         }
         let rightNavigationButton = ItemListNavigationButton(content: .text("Send"), style: .bold, enabled: sendEnabled, action: {
             arguments.proceed()
@@ -432,7 +425,8 @@ func walletSendScreen(context: AccountContext, tonContext: TonContext, walletInf
     }
     
     let controller = WalletSendScreenImpl(context: context, state: signal)
-    controller.navigationPresentation = .modalInLargeLayout
+    controller.navigationPresentation = .modal
+    controller.supportedOrientations = ViewControllerSupportedOrientations(regularSize: .all, compactSize: .portrait)
     presentControllerImpl = { [weak controller] c, a in
         controller?.present(c, in: .window(.root), with: a)
     }
@@ -473,5 +467,28 @@ func walletSendScreen(context: AccountContext, tonContext: TonContext, walletInf
             resultItemNode.focus()
         }
     }
+    ensureItemVisibleImpl = { [weak controller] targetTag in
+        controller?.afterLayout({
+            guard let controller = controller else {
+                return
+            }
+            
+            var resultItemNode: ListViewItemNode?
+            let state = stateValue.with({ $0 })
+            let _ = controller.frameForItemNode({ itemNode in
+                if let itemNode = itemNode as? ItemListItemNode {
+                    if let tag = itemNode.tag, tag.isEqual(to: targetTag) {
+                        resultItemNode = itemNode as? ListViewItemNode
+                        return true
+                    }
+                }
+                return false
+            })
+    
+            if let resultItemNode = resultItemNode {
+                controller.ensureItemNodeVisible(resultItemNode)
+            }
+        })
+    }
     return controller
 }

submodules/WalletUI/Sources/WalletTransactionInfoScreen.swift

@@ -17,10 +17,12 @@ import TelegramStringFormatting
 private final class WalletTransactionInfoControllerArguments {
     let copyWalletAddress: () -> Void
     let sendGrams: () -> Void
+    let displayContextMenu: (WalletTransactionInfoEntryTag, String) -> Void
     
-    init(copyWalletAddress: @escaping () -> Void, sendGrams: @escaping () -> Void) {
+    init(copyWalletAddress: @escaping () -> Void, sendGrams: @escaping () -> Void, displayContextMenu: @escaping (WalletTransactionInfoEntryTag, String) -> Void) {
         self.copyWalletAddress = copyWalletAddress
         self.sendGrams = sendGrams
+        self.displayContextMenu = displayContextMenu
     }
 }
 
@@ -30,6 +32,18 @@ private enum WalletTransactionInfoSection: Int32 {
     case comment
 }
 
+private enum WalletTransactionInfoEntryTag: ItemListItemTag {
+    case comment
+    
+    func isEqual(to other: ItemListItemTag) -> Bool {
+        if let other = other as? WalletTransactionInfoEntryTag {
+            return self == other
+        } else {
+            return false
+        }
+    }
+}
+
 private enum WalletTransactionInfoEntry: ItemListNodeEntry {
     case amount(PresentationTheme, PresentationStrings, PresentationDateTimeFormat, WalletTransaction)
     case infoHeader(PresentationTheme, String)
@@ -92,7 +106,9 @@ private enum WalletTransactionInfoEntry: ItemListNodeEntry {
         case let .commentHeader(theme, text):
             return ItemListSectionHeaderItem(theme: theme, text: text, sectionId: self.section)
         case let .comment(theme, text):
-            return ItemListMultilineTextItem(theme: theme, text: text, enabledEntityTypes: [], sectionId: self.section, style: .blocks)
+            return ItemListMultilineTextItem(theme: theme, text: text, enabledEntityTypes: [], sectionId: self.section, style: .blocks, longTapAction: {
+                arguments.displayContextMenu(WalletTransactionInfoEntryTag.comment, text)
+            }, tag: WalletTransactionInfoEntryTag.comment)
         }
     }
 }
@@ -157,12 +173,6 @@ private func extractDescription(_ walletTransaction: WalletTransaction) -> Strin
     return text
 }
 
-private func formatAddress(_ address: String) -> String {
-    var address = address
-    address.insert("\n", at: address.index(address.startIndex, offsetBy: address.count / 2))
-    return address
-}
-
 private func walletTransactionInfoControllerEntries(presentationData: PresentationData, walletTransaction: WalletTransaction, state: WalletTransactionInfoControllerState) -> [WalletTransactionInfoEntry] {
     var entries: [WalletTransactionInfoEntry] = []
     
@@ -203,6 +213,7 @@ func walletTransactionInfoController(context: AccountContext, tonContext: TonCon
     var dismissImpl: (() -> Void)?
     var presentControllerImpl: ((ViewController, Any?) -> Void)?
     var pushImpl: ((ViewController) -> Void)?
+    var displayContextMenuImpl: ((WalletTransactionInfoEntryTag, String) -> Void)?
     
     let arguments = WalletTransactionInfoControllerArguments(copyWalletAddress: {
         let address = extractAddress(walletTransaction)
@@ -217,6 +228,8 @@ func walletTransactionInfoController(context: AccountContext, tonContext: TonCon
             dismissImpl?()
             pushImpl?(walletSendScreen(context: context, tonContext: tonContext, walletInfo: walletInfo, address: address))
         }
+    }, displayContextMenu: { tag, text in
+        displayContextMenuImpl?(tag, text)
     })
     
     let signal = combineLatest(queue: .mainQueue(), context.sharedContext.presentationData, statePromise.get())
@@ -242,6 +255,35 @@ func walletTransactionInfoController(context: AccountContext, tonContext: TonCon
     pushImpl = { [weak controller] c in
         controller?.push(c)
     }
+    displayContextMenuImpl = { [weak controller] tag, value in
+        if let strongController = controller {
+            let presentationData = context.sharedContext.currentPresentationData.with { $0 }
+            var resultItemNode: ListViewItemNode?
+            let _ = strongController.frameForItemNode({ itemNode in
+                if let itemNode = itemNode as? ItemListMultilineTextItemNode {
+                    if let itemTag = itemNode.tag as? WalletTransactionInfoEntryTag {
+                        if itemTag == tag {
+                            resultItemNode = itemNode
+                            return true
+                        }
+                    }
+                }
+                return false
+            })
+            if let resultItemNode = resultItemNode {
+                let contextMenuController = ContextMenuController(actions: [ContextMenuAction(content: .text(title: presentationData.strings.Conversation_ContextMenuCopy, accessibilityLabel: presentationData.strings.Conversation_ContextMenuCopy), action: {
+                    UIPasteboard.general.string = value
+                })])
+                strongController.present(contextMenuController, in: .window(.root), with: ContextMenuControllerPresentationArguments(sourceNodeAndRect: { [weak resultItemNode] in
+                    if let strongController = controller, let resultItemNode = resultItemNode {
+                        return (resultItemNode, resultItemNode.contentBounds.insetBy(dx: 0.0, dy: -2.0), strongController.displayNode, strongController.view.bounds)
+                    } else {
+                        return nil
+                    }
+                }))
+            }
+        }
+    }
     
     return controller
 }

submodules/WalletUI/Sources/WalletUtils.swift

@@ -0,0 +1,112 @@
+import Foundation
+import TelegramStringFormatting
+
+let walletAddressLength: Int = 48
+
+func formatAddress(_ address: String) -> String {
+    var address = address
+    address.insert("\n", at: address.index(address.startIndex, offsetBy: address.count / 2))
+    return address
+}
+
+func formatBalanceText(_ value: Int64, decimalSeparator: String) -> String {
+    var balanceText = "\(abs(value))"
+    while balanceText.count < 10 {
+        balanceText.insert("0", at: balanceText.startIndex)
+    }
+    balanceText.insert(contentsOf: decimalSeparator, at: balanceText.index(balanceText.endIndex, offsetBy: -9))
+    while true {
+        if balanceText.hasSuffix("0") {
+            if balanceText.hasSuffix("\(decimalSeparator)0") {
+                break
+            } else {
+                balanceText.removeLast()
+            }
+        } else {
+            break
+        }
+    }
+    if value < 0 {
+        balanceText.insert("-", at: balanceText.startIndex)
+    }
+    return balanceText
+}
+
+private let invalidAmountCharacters = CharacterSet(charactersIn: "01234567890.,").inverted
+func isValidAmount(_ amount: String) -> Bool {
+    let amount = normalizeArabicNumeralString(amount, type: .western)
+    if amount.rangeOfCharacter(from: invalidAmountCharacters) != nil {
+        return false
+    }
+    var hasDecimalSeparator = false
+    var hasLeadingZero = false
+    var index = 0
+    for c in amount {
+        if c == "." || c == "," {
+            if !hasDecimalSeparator {
+                hasDecimalSeparator = true
+            } else {
+                return false
+            }
+        }
+        index += 1
+    }
+    
+    var decimalIndex: String.Index?
+    if let index = amount.firstIndex(of: ".") {
+        decimalIndex = index
+    } else if let index = amount.firstIndex(of: ",") {
+        decimalIndex = index
+    }
+    
+    if let decimalIndex = decimalIndex, amount.distance(from: decimalIndex, to: amount.endIndex) > 10 {
+        return false
+    }
+    
+    return true
+}
+
+func amountValue(_ string: String) -> Int64 {
+    return Int64((Double(string.replacingOccurrences(of: ",", with: ".")) ?? 0.0) * 1000000000.0)
+}
+
+func normalizedStringForGramsString(_ string: String, decimalSeparator: String = ".") -> String {
+    return formatBalanceText(amountValue(string), decimalSeparator: decimalSeparator)
+}
+
+func formatAmountText(_ text: String, decimalSeparator: String) -> String {
+    var text = normalizeArabicNumeralString(text, type: .western)
+    if text == "." || text == "," {
+        text = "0\(decimalSeparator)"
+    } else if text == "0" {
+        text = "0\(decimalSeparator)"
+    } else if text.hasPrefix("0") && text.firstIndex(of: ".") == nil && text.firstIndex(of: ",") == nil {
+        var trimmedText = text
+        while trimmedText.first == "0" {
+            trimmedText.removeFirst()
+        }
+        text = trimmedText
+    }
+    return text
+}
+
+private let invalidAddressCharacters = CharacterSet(charactersIn: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=").inverted
+private let invalidUrlAddressCharacters = CharacterSet(charactersIn: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_=").inverted
+
+func isValidAddress(_ address: String, exactLength: Bool = false, url: Bool = false) -> Bool {
+    if address.count > walletAddressLength || address.rangeOfCharacter(from: url ? invalidUrlAddressCharacters : invalidAddressCharacters) != nil {
+        return false
+    }
+    if exactLength && address.count != walletAddressLength {
+        return false
+    }
+    return true
+}
+
+func convertedAddress(_ address: String, url: Bool) -> String {
+    if url {
+        return address.replacingOccurrences(of: "+", with: "-").replacingOccurrences(of: "/", with: "_")
+    } else {
+        return address.replacingOccurrences(of: "-", with: "+").replacingOccurrences(of: "_", with: "/")
+    }
+}

submodules/WalletUI/Sources/WalletWordCheckScreen.swift

@@ -2250,6 +2250,8 @@ private final class WordCheckInputNode: ASDisplayNode, UITextFieldDelegate {
     private let inputNode: TextFieldNode
     private let clearButtonNode: HighlightableButtonNode
     
+    public private(set) var isLast: Bool
+    
     var text: String {
         get {
             return self.inputNode.textField.text ?? ""
@@ -2263,6 +2265,7 @@ private final class WordCheckInputNode: ASDisplayNode, UITextFieldDelegate {
         self.next = next
         self.focused = focused
         self.pasteWords = pasteWords
+        self.isLast = isLast
         
         self.backgroundNode = ASImageNode()
         self.backgroundNode.displaysAsynchronously = false
@@ -2710,7 +2713,13 @@ private final class WalletWordCheckScreenNode: ViewControllerTracingNode, UIScro
             guard let strongSelf = self else {
                 return
             }
-            strongSelf.scrollNode.view.scrollRectToVisible(node.frame.insetBy(dx: 0.0, dy: -10.0), animated: true)
+            if node.isLast {
+                UIView.animate(withDuration: 0.3, animations: {
+                    strongSelf.scrollNode.view.scrollRectToVisible(strongSelf.buttonNode.frame.insetBy(dx: 0.0, dy: -10.0), animated: false)
+                })
+            } else {
+                strongSelf.scrollNode.view.scrollRectToVisible(node.frame.insetBy(dx: 0.0, dy: -10.0), animated: true)
+            }
         }
         pasteWords = { [weak self] wordList in
             guard let strongSelf = self else {

submodules/WalletUI/Sources/WalletWordDisplayScreen.swift

@@ -2,6 +2,7 @@ import Foundation
 import UIKit
 import AppBundle
 import AccountContext
+import SwiftSignalKit
 import TelegramPresentationData
 import AsyncDisplayKit
 import Display
@@ -19,6 +20,7 @@ public final class WalletWordDisplayScreen: ViewController {
     private let wordList: [String]
     
     private let startTime: Double
+    private let idleTimerExtensionDisposable: Disposable
     
     public init(context: AccountContext, tonContext: TonContext, walletInfo: WalletInfo, wordList: [String]) {
         self.context = context
@@ -32,6 +34,7 @@ public final class WalletWordDisplayScreen: ViewController {
         let navigationBarTheme = NavigationBarTheme(buttonColor: defaultNavigationPresentationData.theme.buttonColor, disabledButtonColor: defaultNavigationPresentationData.theme.disabledButtonColor, primaryTextColor: defaultNavigationPresentationData.theme.primaryTextColor, backgroundColor: .clear, separatorColor: .clear, badgeBackgroundColor: defaultNavigationPresentationData.theme.badgeBackgroundColor, badgeStrokeColor: defaultNavigationPresentationData.theme.badgeStrokeColor, badgeTextColor: defaultNavigationPresentationData.theme.badgeTextColor)
         
         self.startTime = Date().timeIntervalSince1970
+        self.idleTimerExtensionDisposable = context.sharedContext.applicationBindings.pushIdleTimerExtension()
         
         super.init(navigationBarPresentationData: NavigationBarPresentationData(theme: navigationBarTheme, strings: defaultNavigationPresentationData.strings))
         
@@ -46,6 +49,10 @@ public final class WalletWordDisplayScreen: ViewController {
         fatalError("init(coder:) has not been implemented")
     }
     
+    deinit {
+        self.idleTimerExtensionDisposable.dispose()
+    }
+    
     @objc private func backPressed() {
         self.dismiss()
     }

submodules/WalletUI/WalletUI.xcodeproj/project.pbxproj

@@ -741,6 +741,19 @@
 			<key>explicitFileType</key>
 			<string>archive.ar</string>
 		</dict>
+		<key>1DD70E29D81471E200000000</key>
+		<dict>
+			<key>isa</key>
+			<string>PBXFileReference</string>
+			<key>name</key>
+			<string>libUrlHandling.a</string>
+			<key>path</key>
+			<string>libUrlHandling.a</string>
+			<key>sourceTree</key>
+			<string>BUILT_PRODUCTS_DIR</string>
+			<key>explicitFileType</key>
+			<string>archive.ar</string>
+		</dict>
 		<key>B401C97968022A5500000000</key>
 		<dict>
 			<key>isa</key>
@@ -802,6 +815,7 @@
 				<string>1DD70E29AE67341000000000</string>
 				<string>1DD70E2951398CF200000000</string>
 				<string>1DD70E29597BAFBB00000000</string>
+				<string>1DD70E29D81471E200000000</string>
 			</array>
 		</dict>
 		<key>1DD70E29D097476500000000</key>
@@ -920,6 +934,17 @@
 			<key>sourceTree</key>
 			<string>SOURCE_ROOT</string>
 		</dict>
+		<key>1DD70E298815219000000000</key>
+		<dict>
+			<key>isa</key>
+			<string>PBXFileReference</string>
+			<key>name</key>
+			<string>WalletQrViewScreen.swift</string>
+			<key>path</key>
+			<string>Sources/WalletQrViewScreen.swift</string>
+			<key>sourceTree</key>
+			<string>SOURCE_ROOT</string>
+		</dict>
 		<key>1DD70E2979DDEBBB00000000</key>
 		<dict>
 			<key>isa</key>
@@ -975,6 +1000,17 @@
 			<key>sourceTree</key>
 			<string>SOURCE_ROOT</string>
 		</dict>
+		<key>1DD70E298710C0BD00000000</key>
+		<dict>
+			<key>isa</key>
+			<string>PBXFileReference</string>
+			<key>name</key>
+			<string>WalletUtils.swift</string>
+			<key>path</key>
+			<string>Sources/WalletUtils.swift</string>
+			<key>sourceTree</key>
+			<string>SOURCE_ROOT</string>
+		</dict>
 		<key>1DD70E2936794EB600000000</key>
 		<dict>
 			<key>isa</key>
@@ -1014,11 +1050,13 @@
 				<string>1DD70E29E336006800000000</string>
 				<string>1DD70E296D49CFFF00000000</string>
 				<string>1DD70E29DE28A96800000000</string>
+				<string>1DD70E298815219000000000</string>
 				<string>1DD70E2979DDEBBB00000000</string>
 				<string>1DD70E2948FA33F200000000</string>
 				<string>1DD70E2986544B8D00000000</string>
 				<string>1DD70E2964068E1100000000</string>
 				<string>1DD70E290467090400000000</string>
+				<string>1DD70E298710C0BD00000000</string>
 				<string>1DD70E2936794EB600000000</string>
 				<string>1DD70E290678D03000000000</string>
 			</array>
@@ -1102,6 +1140,13 @@
 			<key>fileRef</key>
 			<string>1DD70E29DE28A96800000000</string>
 		</dict>
+		<key>E7A30F048815219000000000</key>
+		<dict>
+			<key>isa</key>
+			<string>PBXBuildFile</string>
+			<key>fileRef</key>
+			<string>1DD70E298815219000000000</string>
+		</dict>
 		<key>E7A30F0479DDEBBB00000000</key>
 		<dict>
 			<key>isa</key>
@@ -1137,6 +1182,13 @@
 			<key>fileRef</key>
 			<string>1DD70E290467090400000000</string>
 		</dict>
+		<key>E7A30F048710C0BD00000000</key>
+		<dict>
+			<key>isa</key>
+			<string>PBXBuildFile</string>
+			<key>fileRef</key>
+			<string>1DD70E298710C0BD00000000</string>
+		</dict>
 		<key>E7A30F0436794EB600000000</key>
 		<dict>
 			<key>isa</key>
@@ -1164,11 +1216,13 @@
 				<string>E7A30F04E336006800000000</string>
 				<string>E7A30F046D49CFFF00000000</string>
 				<string>E7A30F04DE28A96800000000</string>
+				<string>E7A30F048815219000000000</string>
 				<string>E7A30F0479DDEBBB00000000</string>
 				<string>E7A30F0448FA33F200000000</string>
 				<string>E7A30F0486544B8D00000000</string>
 				<string>E7A30F0464068E1100000000</string>
 				<string>E7A30F040467090400000000</string>
+				<string>E7A30F048710C0BD00000000</string>
 				<string>E7A30F0436794EB600000000</string>
 				<string>E7A30F040678D03000000000</string>
 			</array>
@@ -1530,6 +1584,13 @@
 			<key>fileRef</key>
 			<string>1DD70E29AE67341000000000</string>
 		</dict>
+		<key>E7A30F04D81471E200000000</key>
+		<dict>
+			<key>isa</key>
+			<string>PBXBuildFile</string>
+			<key>fileRef</key>
+			<string>1DD70E29D81471E200000000</string>
+		</dict>
 		<key>FAF5FAC90000000000000000</key>
 		<dict>
 			<key>isa</key>
@@ -1587,6 +1648,7 @@
 				<string>E7A30F0481AE180900000000</string>
 				<string>E7A30F04524F478E00000000</string>
 				<string>E7A30F04AE67341000000000</string>
+				<string>E7A30F04D81471E200000000</string>
 			</array>
 			<key>name</key>
 			<string>Fake Swift Dependencies (Copy Files Phase)</string>