Add memo field to new Send module

UnstoppableWallet/UnstoppableWallet/Modules/SendNew/BitcoinPreSendHandler.swift

@@ -20,6 +20,10 @@ class BitcoinPreSendHandler {
 }
 
 extension BitcoinPreSendHandler: IPreSendHandler {
+    var hasMemo: Bool {
+        true
+    }
+
     var hasSettings: Bool {
         true
     }

UnstoppableWallet/UnstoppableWallet/Modules/SendNew/IPreSendHandler.swift

@@ -2,12 +2,17 @@ import Foundation
 import SwiftUI
 
 protocol IPreSendHandler {
+    var hasMemo: Bool { get }
     var hasSettings: Bool { get }
     func settingsView(onChangeSettings: @escaping () -> Void) -> AnyView
     func sendData(amount: Decimal, address: String, memo: String?) -> SendData?
 }
 
 extension IPreSendHandler {
+    var hasMemo: Bool {
+        false
+    }
+
     var hasSettings: Bool {
         false
     }

UnstoppableWallet/UnstoppableWallet/Modules/SendNew/PreSendView.swift

@@ -30,6 +30,10 @@ struct PreSendView: View {
                         addressView()
                     }
 
+                    if let handler = viewModel.handler, handler.hasMemo {
+                        memoView()
+                    }
+
                     buttonView()
                 }
                 .padding(EdgeInsets(top: .margin12, leading: .margin16, bottom: .margin16, trailing: .margin16))
@@ -194,6 +198,17 @@ struct PreSendView: View {
         .modifier(CautionPrompt(cautionState: $viewModel.addressCautionState))
     }
 
+    @ViewBuilder private func memoView() -> some View {
+        InputTextRow {
+            InputTextView(
+                placeholder: "send.confirmation.memo_placeholder".localized,
+                multiline: true,
+                font: .themeBody.italic(),
+                text: $viewModel.memo
+            )
+        }
+    }
+
     @ViewBuilder private func buttonView() -> some View {
         let (title, disabled, showProgress) = buttonState()
 

UnstoppableWallet/UnstoppableWallet/Modules/SendNew/PreSendViewModel.swift

@@ -104,6 +104,12 @@ class PreSendViewModel: ObservableObject {
         }
     }
 
+    @Published var memo: String = "" {
+        didSet {
+            syncSendData()
+        }
+    }
+
     var handler: IPreSendHandler?
     @Published var sendData: SendData?
 
@@ -228,7 +234,7 @@ extension PreSendViewModel {
             return
         }
 
-        sendData = handler.sendData(amount: amount, address: success.address.raw, memo: nil)
+        sendData = handler.sendData(amount: amount, address: success.address.raw, memo: memo)
     }
 
     func setAmountIn(percent: Int) {

UnstoppableWallet/UnstoppableWallet/UserInterface/SwiftUI/InputTextView.swift

@@ -4,6 +4,7 @@ import ThemeKit
 struct InputTextView: View {
     var placeholder: String = ""
     var multiline: Bool
+    var font: Font
 
     var text: Binding<String>
 
@@ -14,9 +15,10 @@ struct InputTextView: View {
 
     var isValidText: ((String) -> Bool)?
 
-    init(placeholder: String = "", multiline: Bool = false, text: Binding<String>, secured: Binding<Bool> = .constant(false), isValidText: ((String) -> Bool)? = nil) {
+    init(placeholder: String = "", multiline: Bool = false, font: Font = .themeBody, text: Binding<String>, secured: Binding<Bool> = .constant(false), isValidText: ((String) -> Bool)? = nil) {
         self.placeholder = placeholder
         self.multiline = multiline
+        self.font = font
         self.text = text
         _secured = secured
 
@@ -25,7 +27,7 @@ struct InputTextView: View {
 
     var body: some View {
         editView()
-            .font(.themeBody)
+            .font(font)
             .accentColor(.themeLeah)
             .modifier(Validated(text: text, isValidText: isValidText))
     }