MAKE A SEND WORK! :O

Author: DanGould

Chaincase/ViewModels/SendViewModel.cs

@@ -21,15 +21,10 @@ public class SendViewModel : ViewModelBase
 		private string _password;
 		private string _address;
 		private bool _isBusy;
-		private string _label;
+		private string _memo;
 		private string _amountText;
 		private CoinListViewModel _coinList;
-
-		public string Address
-		{
-			get => Address;
-			set => this.RaiseAndSetIfChanged(ref _address, value);
-		}
+		private string _warning;
 
 		public SendViewModel(IScreen hostScreen) : base(hostScreen)
 		{
@@ -72,7 +67,7 @@ public SendViewModel(IScreen hostScreen) : base(hostScreen)
 				{
 					IsBusy = true;
 					Password = Guard.Correct(Password);
-					Label = Label.Trim(',', ' ').Trim();
+					Memo = Memo.Trim(',', ' ').Trim();
 
 					var selectedCoinViewModels = CoinList.Coins.Where(cvm => cvm.IsSelected);
 					var selectedCoinReferences = selectedCoinViewModels.Select(cvm => new TxoRef(cvm.Model.TransactionId, cvm.Model.Index)).ToList();
@@ -107,8 +102,8 @@ public SendViewModel(IScreen hostScreen) : base(hostScreen)
 						return;
 					}
 
-					var label = Label;
-					var operation = new WalletService.Operation(script, amount, label);
+					var memo = Memo;
+					var operation = new WalletService.Operation(script, amount, memo);
 
 					var feeTarget = 500;
 					var result = await Task.Run(() => Global.WalletService.BuildTransaction(Password, new[] { operation }, feeTarget, allowUnconfirmed: true, allowedInputs: selectedCoinReferences));
@@ -131,9 +126,10 @@ public SendViewModel(IScreen hostScreen) : base(hostScreen)
 				{
 					IsBusy = false;
 				}
-			});
+			},
 			this.WhenAny(x => x.AmountText, x => x.Address, x => x.IsBusy,
-				(amountText, address, busy) => !string.IsNullOrWhiteSpace(amountText.Value) && !string.IsNullOrWhiteSpace(Address) && !IsBusy);
+				(amountText, address, busy) => !string.IsNullOrWhiteSpace(amountText.Value) && !string.IsNullOrWhiteSpace(address.Value) && !busy.Value)
+				.ObserveOn(RxApp.MainThreadScheduler));
 		}
 
 		public string Password
@@ -142,6 +138,11 @@ public string Password
 			set => this.RaiseAndSetIfChanged(ref _password, value);
 		}
 
+		public string Address
+		{
+			get => _address;
+			set => this.RaiseAndSetIfChanged(ref _address, value);
+		}
 
 		public bool IsBusy
 		{
@@ -155,10 +156,10 @@ public string AmountText
 			set => this.RaiseAndSetIfChanged(ref _amountText, value);
 		}
 
-		public string Label
+		public string Memo
 		{
-			get => _label;
-			set => this.RaiseAndSetIfChanged(ref _label, value);
+			get => _memo;
+			set => this.RaiseAndSetIfChanged(ref _memo, value);
 		}
 
 		public CoinListViewModel CoinList

Chaincase/Views/SendPage.xaml

@@ -8,22 +8,21 @@
                           xmlns="http://xamarin.com/schemas/2014/forms">
     <StackLayout>
         <Label Text="PAY TO THE ORDER OF:" />
-        <Entry Placeholder="bc1qa24tsgchvuxsaccp8vrnkfd85hrcpafg20kmjw"
-               Text="{Binding PayToTheOrderOf}" />
+        <Entry Placeholder="bc1qa24tsgchvuxsaccp8vrnkfd85hrcpafg20kmjw"
+               x:Name="Address" />
         <Label Text="BTC" />
-        <Entry BackgroundColor="#ccc"
-               Text="{Binding Amount}"
-               x:Name="Amount"/>
+        <Entry BackgroundColor="#ccc"
+               x:Name="Amount" />
         <Label Text="MEMO:" />
-        <Entry Placeholder="BTCPayServer Hosting 2020"
-               Text="{Binding Memo}" />
+        <Entry Placeholder="BTCPayServer Hosting 2020"
+               x:Name="Memo" />
         <Label Text="PASSWORD" />
         <Entry IsPassword="true"
-               Text="{Binding Password}"
-               Placeholder="+9m{S5>aegs?*MZ^" />
-        <Button Text="Send"
-                Command="{Binding SendCommand}" />
-        <templates:CoinListTemplate x:Name="CoinList"
+               Placeholder="+9m{S5>aegs?*MZ^"
+               x:Name="Password" />
+        <Button Text="Send"
+                x:Name="Send" />
+        <templates:CoinListTemplate x:Name="CoinList"
                                     VerticalOptions="FillAndExpand" />
     </StackLayout>
 </rxui:ReactiveContentPage>

Chaincase/Views/SendPage.xaml.cs

@@ -13,6 +13,26 @@ public SendPage()
 
 			this.WhenActivated(disposables =>
 			{
+				this.Bind(ViewModel,
+					vm => vm.Address,
+					v => v.Address.Text)
+					.DisposeWith(disposables);
+				this.Bind(ViewModel,
+					vm => vm.AmountText,
+					v => v.Amount.Text)
+					.DisposeWith(disposables);
+				this.Bind(ViewModel,
+					vm => vm.Memo,
+					v => v.Memo.Text)
+					.DisposeWith(disposables);
+				this.Bind(ViewModel,
+					vm => vm.Password,
+					v => v.Password.Text)
+					.DisposeWith(disposables);
+				this.BindCommand(ViewModel,
+					vm => vm.BuildTransactionCommand,
+					v => v.Send)
+					.DisposeWith(disposables);
 				this.OneWayBind(ViewModel,
 					vm => vm.CoinList,
 					v => v.CoinList.ViewModel)