add branta verification to send side

src/Angor/Avalonia/AngorApp/AngorApp.csproj

@@ -18,6 +18,7 @@
     <ItemGroup>
         <PackageReference Include="AsyncImageLoader.Avalonia"/>
         <PackageReference Include="Avalonia"/>
+        <PackageReference Include="Branta" />
         <PackageReference Include="ReactiveUI.Avalonia"/>
         <PackageReference Include="Avalonia.Themes.Fluent"/>
         <PackageReference Include="Avalonia.Fonts.Inter"/>

src/Angor/Avalonia/AngorApp/Composition/CompositionRoot.cs

@@ -13,6 +13,8 @@
 using AngorApp.UI.Shell;
 using Microsoft.Extensions.DependencyInjection;
 using Serilog;
+using Zafiro.UI.Navigation;
+using Branta.V2.Extensions;
 
 namespace AngorApp.Composition;
 
@@ -51,8 +53,14 @@ public static IShellViewModel CreateMainViewModel(Control topLevelView, string p
             .AddModelServices()
             .AddViewModels()
             .AddUIServices(topLevelView, profileContext, applicationStorage);
+
+        services.ConfigureBrantaServices(new Branta.Classes.BrantaClientOptions() {
+            BaseUrl = System.Diagnostics.Debugger.IsAttached
+                ? Branta.Enums.BrantaServerBaseUrl.Staging
+                : Branta.Enums.BrantaServerBaseUrl.Production
+        });
 
-        services.AddAnnotatedSections(logger);
+        services.AddNavigator(logger);
         services.AddSecurityContext();
         RegisterWalletServices(services, logger, network);
         FundingContextServices.Register(services, logger);

src/Angor/Avalonia/AngorApp/UI/Flows/SendWalletMoney/AddressAndAmount/AddressAndAmountView.axaml

@@ -9,8 +9,11 @@
              d:DesignWidth="300"
              x:Class="AngorApp.UI.Flows.SendWalletMoney.AddressAndAmount.AddressAndAmountView" 
              x:DataType="ad:IAddressAndAmountViewModel">
-
-    <Design.DataContext>
+	<UserControl.Resources>
+		<controls:UrlToBitmapConverter x:Key="UrlToBitmapConverter" />
+	</UserControl.Resources>
+
+	<Design.DataContext>
         <ad:AddressAndAmountViewModelSample />
     </Design.DataContext>
 
@@ -25,7 +28,36 @@
                 </TextBox.InnerLeftContent>
             </TextBox>
         </Card>
-        <Card Header="Enter amount to send:" Subheader="{Binding WalletBalance.BtcString, StringFormat='Available balance: {0}'}">
+
+		<Panel IsVisible="{Binding ShowBrantaVerification}">
+			<Panel IsVisible="{Binding Address, Converter={x:Static StringConverters.IsNotNullOrEmpty}}">
+				<StackPanel>
+					<StackPanel IsVisible="{Binding BrantaPaymentsFound}">
+						<TextBlock Text="Address Verified by Branta!" Classes="Success" Margin="0 5" />
+						<ItemsControl ItemsSource="{Binding BrantaPayments}">
+							<ItemsControl.ItemTemplate>
+								<DataTemplate>
+									<StackPanel Orientation="Horizontal" Spacing="10" Margin="0 0 0 5">
+										<Image Source="{Binding PlatformLogoUrl, Converter={StaticResource UrlToBitmapConverter}}"
+											   Height="50" Width="50" />
+										<TextBlock Text="{Binding Platform}" VerticalAlignment="Center" />
+									</StackPanel>
+								</DataTemplate>
+							</ItemsControl.ItemTemplate>
+						</ItemsControl>
+					</StackPanel>
+
+					<TextBlock Text="Branta verified payment not found."
+							  IsVisible="{Binding !BrantaPaymentsFound}" />
+				</StackPanel>
+			</Panel>
+		</Panel>
+
+		<Panel IsVisible="{Binding BrantaLoading}">
+					<TextBlock Text="Branta Verifcation Loading..." />
+		</Panel>
+
+		<Card Header="Enter amount to send:" Subheader="{Binding WalletBalance.BtcString, StringFormat='Available balance: {0}'}">
 
             <controls:AmountControl Padding="0" Satoshis="{Binding Amount}">
                 <Interaction.Behaviors>

src/Angor/Avalonia/AngorApp/UI/Flows/SendWalletMoney/AddressAndAmount/AddressAndAmountViewModel.cs

@@ -1,3 +1,5 @@
+using Branta.V2.Classes;
+using Branta.V2.Models;
 using ReactiveUI.Validation.Extensions;
 using ReactiveUI.Validation.Helpers;
 
@@ -7,22 +9,55 @@ public partial class AddressAndAmountViewModel : ReactiveValidationObject, IAddr
 {
     [Reactive] private string? address;
     [Reactive] private long? amount;
+    [Reactive] private bool brantaLoading = false;
+    [Reactive] public bool showBrantaVerification = false;
+    [Reactive] public bool brantaPaymentsFound = false;
+    [Reactive] public List<Payment>? brantaPayments = [];
     [ObservableAsProperty] private IAmountUI? walletBalance;
 
+    private readonly BrantaClient _brantaClient;
 
-    public AddressAndAmountViewModel(IWallet wallet)
+
+    public AddressAndAmountViewModel(IWallet wallet, BrantaClient brantaClient)
     {
+        _brantaClient = brantaClient;
+
         walletBalanceHelper = wallet.WhenAnyValue(w => w.Balance)
             .ToProperty(this, model => model.WalletBalance);
-        
+
         this.ValidationRule(x => x.Amount, x => x is null or > 0, _ => "Amount must be greater than zero");
         this.ValidationRule(x => x.Amount, x => x is not null, _ => "Please, specify an amount");
         var isValidAmount = this.WhenAnyValue(x => x.Amount, x => x.WalletBalance, (amount, balance) => amount is null || amount <= balance.Sats);
         this.ValidationRule(x => x.Amount, isValidAmount, "Amount exceeds balance");
 
         this.ValidationRule(x => x.Address, x => !string.IsNullOrWhiteSpace(x), _ => "Please, specify an address");
         this.ValidationRule(x => x.Address, x => string.IsNullOrWhiteSpace(x) || wallet.IsAddressValid(x).IsSuccess, message => wallet.IsAddressValid(message).Error);
+
+        this.WhenAnyValue(x => x.Address)
+            .Subscribe(async newAddress => {
+                await OnAddressChangedAsync(newAddress);
+            });
     }
 
     public IObservable<bool> IsValid => this.IsValid();
+
+    private async Task OnAddressChangedAsync(string? newAddress)
+    {
+        BrantaLoading = true;
+
+        if (string.IsNullOrEmpty(newAddress)) {
+            BrantaPayments = null;
+            ShowBrantaVerification = false;
+            BrantaLoading = false;
+            return;
+        }
+
+        var payments = await _brantaClient.GetPaymentsAsync(newAddress);
+
+        BrantaPayments = payments;
+        BrantaPaymentsFound = payments.Count != 0;
+        ShowBrantaVerification = true;
+
+        BrantaLoading = false;
+    }
 }

src/Angor/Avalonia/AngorApp/UI/Flows/SendWalletMoney/AddressAndAmount/AddressAndAmountViewModelSample.cs

@@ -1,3 +1,5 @@
+using Branta.V2.Models;
+
 namespace AngorApp.UI.Flows.SendWalletMoney.AddressAndAmount;
 
 public class AddressAndAmountViewModelSample : IAddressAndAmountViewModel
@@ -8,4 +10,8 @@ public class AddressAndAmountViewModelSample : IAddressAndAmountViewModel
     public long? Amount { get; set; } = 100;
     public string? Address { get; set; } = "testaddress";
     public IAmountUI WalletBalance { get; } = new AmountUI(113000);
+    public bool ShowBrantaVerification { get; set; } = false;
+    public bool BrantaLoading { get; set; } = false;
+    public bool BrantaPaymentsFound { get; set; } = false;
+    public List<Payment>? BrantaPayments { get; set; } = [];
 }

src/Angor/Avalonia/AngorApp/UI/Flows/SendWalletMoney/AddressAndAmount/IAddressAndAmountViewModel.cs

@@ -1,8 +1,14 @@
+using Branta.V2.Models;
+
 namespace AngorApp.UI.Flows.SendWalletMoney.AddressAndAmount;
 
 public interface IAddressAndAmountViewModel 
 {
     public long? Amount { get; set; }
     public string? Address { get; set; }
     public IAmountUI WalletBalance { get; }
+    public bool ShowBrantaVerification { get; set; }
+    public bool BrantaLoading { get; set; }
+    public bool BrantaPaymentsFound { get; set; }
+    public List<Payment>? BrantaPayments { get; set; }
 }

src/Angor/Avalonia/AngorApp/UI/Flows/SendWalletMoney/SendMoneyFlow.cs

@@ -1,19 +1,20 @@
 using Angor.Sdk.Wallet.Application;
 using AngorApp.Model.Contracts.Flows;
 using AngorApp.UI.Shared.Controls.Common.Success;
+using Branta.V2.Classes;
 using Zafiro.Avalonia.Dialogs.Wizards.Slim;
 using Zafiro.UI.Wizards.Slim.Builder;
 using AddressAndAmountViewModel = AngorApp.UI.Flows.SendWalletMoney.AddressAndAmount.AddressAndAmountViewModel;
 using TransactionDraftViewModel = AngorApp.UI.Flows.SendWalletMoney.TransactionDraft.TransactionDraftViewModel;
 
 namespace AngorApp.UI.Flows.SendWalletMoney;
 
-public class SendMoneyFlow(IWalletAppService walletAppService, UIServices uiServices) : ISendMoneyFlow
+public class SendMoneyFlow(IWalletAppService walletAppService, UIServices uiServices, BrantaClient brantaClient) : ISendMoneyFlow
 {
     public async Task SendMoney(IWallet sourceWallet)
     {
         var wizard = WizardBuilder
-            .StartWith(() => new AddressAndAmountViewModel(sourceWallet), "Amount and address").Next(model => (model.Amount, model.Address)).WhenValid<AddressAndAmountViewModel>()
+            .StartWith(() => new AddressAndAmountViewModel(sourceWallet, brantaClient), "Amount and address").Next(model => (model.Amount, model.Address)).WhenValid<AddressAndAmountViewModel>()
             .Then(sendData => new TransactionDraftViewModel(sourceWallet.Id, walletAppService, new SendAmount("Test", sendData.Amount.Value, sendData.Address), uiServices), "Summary").NextCommand(model => model.Confirm.Enhance("Confirm"))
             .Then(_ => new SuccessViewModel("Transaction sent!"), "Transaction sent").NextUnit("Close").Always()
             .WithCompletionFinalStep();

src/Angor/Avalonia/AngorApp/UI/Shared/Controls/UrlToBitmapConverter.cs

@@ -0,0 +1,37 @@
+using Avalonia.Data.Converters;
+using Avalonia.Media.Imaging;
+using System.Globalization;
+using System.Net.Http;
+
+namespace AngorApp.UI.Shared.Controls;
+
+public class UrlToBitmapConverter : IValueConverter
+{
+    private static readonly HttpClient httpClient = new HttpClient();
+
+    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        if (value is string url && !string.IsNullOrEmpty(url)) {
+            try {
+                // For web URLs
+                if (url.StartsWith("http://") || url.StartsWith("https://")) {
+                    var data = httpClient.GetByteArrayAsync(url).Result;
+                    using var stream = new System.IO.MemoryStream(data);
+                    return new Bitmap(stream);
+                }
+
+                // For local resources
+                return new Bitmap(url);
+            }
+            catch {
+                return null;
+            }
+        }
+        return null;
+    }
+
+    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
+    }
+}

src/Angor/Avalonia/Directory.Packages.props

@@ -15,6 +15,7 @@
     <PackageVersion Include="Avalonia.iOS" Version="$(AvaloniaVersion)" />
     <PackageVersion Include="Avalonia.Browser" Version="$(AvaloniaVersion)" />
     <PackageVersion Include="Avalonia.Android" Version="$(AvaloniaVersion)" />
+    <PackageVersion Include="Branta" Version="0.0.4" />
     <PackageVersion Include="ReactiveUI.Avalonia" Version="11.3.8" />
     <PackageVersion Include="Svg.Controls.Skia.Avalonia" Version="11.3.6.2" />
     <PackageVersion Include="AsyncImageLoader.Avalonia" Version="3.3.0" />