feat(coinjoin): send screen mixing info

DashSyncCurrentCommit

@@ -1 +1 @@
-315879b4d157a026fc760d3742f6a55a8883fde5
+49b001b3a003a443fd3fc6d2cd1a470e2cb7638a

DashWallet/Sources/Models/CoinJoin/CoinJoinService.swift

@@ -49,15 +49,15 @@ enum MixingStatus: Int {
     }
 }
 
-enum CoinJoinMode {
+enum CoinJoinMode: Int {
     case none
     case intermediate
     case advanced
 }
 
 private let kDefaultMultisession = false // for stability, need to investigate
-private let kDefaultRounds: Int32 = 1 //4 TODO
-private let kDefaultSessions: Int32 = 1 //6 TODO
+private let kDefaultRounds: Int32 = 4
+private let kDefaultSessions: Int32 = 6
 private let kDefaultDenominationGoal: Int32 = 50
 private let kDefaultDenominationHardcap: Int32 = 300
 private let kCoinJoinMode = "coinJoinModeKey"
@@ -74,7 +74,21 @@ class CoinJoinService: NSObject {
     private var hasAnonymizableBalance: Bool = false
     private var networkStatus: NetworkStatus = .online
 
-    @Published private(set) var mode: CoinJoinMode = .none
+    private var _savedMode: Int? = nil
+    private var savedMode: Int {
+        get { _savedMode ?? UserDefaults.standard.integer(forKey: kCoinJoinMode) }
+        set(value) {
+            _savedMode = value
+            UserDefaults.standard.set(value, forKey: kCoinJoinMode)
+        }
+    }
+
+    @Published private(set) var mode: CoinJoinMode = .none {
+        didSet {
+            savedMode = mode.rawValue
+        }
+    }
+
     @Published var mixingState: MixingStatus = .notStarted
     @Published private(set) var progress: Double = 0.0
     @Published private(set) var totalBalance: UInt64 = 0
@@ -83,9 +97,16 @@ class CoinJoinService: NSObject {
 
     override init() {
         super.init()
+
         NotificationCenter.default.publisher(for: NSNotification.Name.DSWalletBalanceDidChange)
             .sink { [weak self] _ in self?.updateBalance(balance:  DWEnvironment.sharedInstance().currentAccount.balance) }
             .store(in: &cancellableBag)
+
+        let mode = CoinJoinMode(rawValue: savedMode) ?? .none
+
+        if mode != .none {
+            updateMode(mode: mode)
+        }
     }
 
     func updateMode(mode: CoinJoinMode) {
@@ -140,11 +161,20 @@ class CoinJoinService: NSObject {
     }
 
     private func updateProgress() {
-        guard let coinJoinManager = self.coinJoinManager else { return }
-        self.progress = coinJoinManager.getMixingProgress()
-        let coinJoinBalance = coinJoinManager.getBalance()
-        self.totalBalance = coinJoinBalance.myTrusted
-        self.coinJoinBalance = coinJoinBalance.anonymized
+        DispatchQueue.global(qos: .background).async { [weak self] in
+            guard let self = self, let coinJoinManager = self.coinJoinManager else { return }
+
+            let progress = coinJoinManager.getMixingProgress()
+            let coinJoinBalance = coinJoinManager.getBalance()
+            let totalBalance = coinJoinBalance.myTrusted
+            let anonymizedBalance = coinJoinBalance.anonymized
+
+            DispatchQueue.main.async {
+                self.progress = progress
+                self.totalBalance = totalBalance
+                self.coinJoinBalance = anonymizedBalance
+            }
+        }
     }
 
     private func createCoinJoinManager() -> DSCoinJoinManager? {
@@ -153,12 +183,6 @@ class CoinJoinService: NSObject {
         return self.coinJoinManager
     }
 
-    private func synchronized(_ lock: NSLock, closure: () -> Void) {
-        lock.lock()
-        defer { lock.unlock() }
-        closure()
-    }
-
     private func updateBalance(balance: UInt64) {
         guard let coinJoinManager = self.coinJoinManager else { return }
 
@@ -294,5 +318,11 @@ extension CoinJoinService: DSCoinJoinManagerDelegate {
 
         DSLogger.log("[SW] CoinJoin: Active sessions: \(activeSessions)")
     }
+
+    private func synchronized(_ lock: NSLock, closure: () -> Void) {
+        lock.lock()
+        defer { lock.unlock() }
+        closure()
+    }
 }
 

DashWallet/Sources/UI/DashPay/CoinJoin/CoinJoinLevelsViewController.swift

@@ -88,27 +88,23 @@ extension CoinJoinLevelsViewController {
 
     @objc
     private func selectIntermediate() {
-        if viewModel.selectedMode == .intermediate {
-            return
-        }
-
-        if viewModel.mixingState == .mixing {
-            confirmFor(.intermediate)
-        } else {
-            viewModel.selectedMode = .intermediate
-        }
+        selectMode(.intermediate)
     }
 
     @objc
     private func selectAdvanced() {
-        if viewModel.selectedMode == .advanced {
+        selectMode(.advanced)
+    }
+
+    private func selectMode(_ mode: CoinJoinMode) {
+        if viewModel.selectedMode == mode {
             return
         }
 
-        if viewModel.mixingState == .mixing {
-            confirmFor(.advanced)
+        if viewModel.selectedMode == .none {
+            viewModel.selectedMode = mode
         } else {
-            viewModel.selectedMode = .advanced
+            confirmFor(mode)
         }
     }
 
@@ -176,6 +172,7 @@ extension CoinJoinLevelsViewController {
         let alert = UIAlertController(title: "", message: NSLocalizedString("Are you sure you want to change the privacy level?", comment: "CoinJoin"), preferredStyle: .alert)
         alert.addAction(UIAlertAction(title: title, style: .default, handler: { [weak self] _ in
             self?.viewModel.selectedMode = mode
+            self?.viewModel.startMixing()
         }))
         let cancelAction = UIAlertAction(title: NSLocalizedString("Cancel", comment: ""), style: .cancel)
         alert.addAction(cancelAction)

DashWallet/Sources/UI/DashPay/CoinJoin/CoinJoinViewModel.swift

@@ -49,6 +49,13 @@ class CoinJoinViewModel: ObservableObject {
     }
 
     init() {
+        coinJoinService.$mode
+            .receive(on: DispatchQueue.main)
+            .sink { [weak self] mode in
+                self?.selectedMode = mode
+            }
+            .store(in: &cancellableBag)
+
         coinJoinService.$mixingState
             .receive(on: DispatchQueue.main)
             .sink { [weak self] state in

DashWallet/Sources/UI/DashPay/Credits/BuyCreditsViewController.swift

@@ -87,8 +87,9 @@ final class BuyCreditsViewController: SendAmountViewController, ObservableObject
 
         let intro = SendIntro(
             title: NSLocalizedString("Buy credits", comment: "Credits"),
-            dashBalance: Int64(model.walletBalance),
-            balanceLabel: NSLocalizedString("Dash balance", comment: "") + ":"
+            dashBalance: model.walletBalance,
+            balanceLabel: NSLocalizedString("Dash balance", comment: "") + ":",
+            avatarView: { }
         )
         let swiftUIController = UIHostingController(rootView: intro)
         swiftUIController.view.backgroundColor = UIColor.dw_secondaryBackground()
@@ -131,7 +132,9 @@ final class BuyCreditsViewController: SendAmountViewController, ObservableObject
             rateLabel.topAnchor.constraint(equalTo: rateContainer.topAnchor, constant: 4),
             rateLabel.leadingAnchor.constraint(equalTo: rateContainer.leadingAnchor, constant: 8),
             rateLabel.trailingAnchor.constraint(equalTo: rateContainer.trailingAnchor, constant: -8),
-            rateLabel.bottomAnchor.constraint(equalTo: rateContainer.bottomAnchor, constant: -4)
+            rateLabel.bottomAnchor.constraint(equalTo: rateContainer.bottomAnchor, constant: -4),
+
+            swiftUIController.view.heightAnchor.constraint(equalToConstant: 100)
         ])
     }
 

DashWallet/Sources/UI/Home/Views/Cells/CoinJoinProgressView.swift

@@ -77,18 +77,18 @@ struct CoinJoinProgressInfo: View {
                     .foregroundColor(textColor)
                     .font(font)
                     .padding(.leading, 4)
+
+                Spacer()
+                Text("\(mixed, format: .number.precision(.fractionLength(0...3))) of \(total, format: .number.precision(.fractionLength(0...3)))") // TODO
+                    .foregroundColor(textColor)
+                    .font(font)
+                Image("icon_dash_currency")
+                    .resizable()
+                    .aspectRatio(contentMode: .fit)
+                    .frame(width: font.pointSize, height: font.pointSize)
+                    .padding(.leading, 2)
+                    .foregroundColor(textColor)
             }
-
-            Spacer()
-            Text("\(mixed, format: .number.precision(.fractionLength(0...3))) of \(total, format: .number.precision(.fractionLength(0...3)))") // TODO
-                .foregroundColor(textColor)
-                .font(font)
-            Image("icon_dash_currency")
-                .resizable()
-                .aspectRatio(contentMode: .fit)
-                .frame(width: font.pointSize, height: font.pointSize)
-                .padding(.leading, 2)
-                .foregroundColor(textColor)
         }
     }
 }

DashWallet/Sources/UI/Home/Views/HomeView.swift

@@ -335,9 +335,6 @@ struct TransactionList<Content: View>: View {
         .sheet(item: $selectedTxDataItem) { item in
             TransactionDetailsSheet(item: item)
         }
-        .onChange(of: viewModel.coinJoinItem) { new in
-            DSLogger.log("[SW] CoinJoin: on change of coinJoinItem: \(viewModel.coinJoinItem.description)")
-        }
     }
 
     @ViewBuilder