support custodians in prism

Plugins/BTCPayServer.Plugins.Prism/Components/PrismEdit.razor

@@ -4,12 +4,16 @@
 @using BTCPayServer.HostedServices
 @using BTCPayServer.Payments
 @using BTCPayServer.PayoutProcessors
+@using BTCPayServer.Services.Custodian.Client
 @using Microsoft.AspNetCore.Http
 @using Microsoft.AspNetCore.Routing
 @using Microsoft.Extensions.Logging
 @using NBitcoin
 @using LightningAddressData = BTCPayServer.Data.LightningAddressData
 @using MarkPayoutRequest = BTCPayServer.HostedServices.MarkPayoutRequest
+@using System.Collections
+@using BTCPayServer.Abstractions.Custodians
+@using BTCPayServer.Abstractions.Extensions
 @inject IPluginHookService PluginHookService
 @inject LightningAddressService LightningAddressService
 @inject PayoutProcessorService PayoutProcessorService
@@ -18,6 +22,8 @@
 @inject LinkGenerator LinkGenerator
 @inject PullPaymentHostedService PullPaymentHostedService
 @inject IHttpContextAccessor HttpContextAccessor
+@inject CustodianAccountRepository CustodianAccountRepository
+@inject IEnumerable<ICustodian> Custodians
 @inject ILogger<PrismEdit> Logger
 @implements IDisposable
 
@@ -41,6 +47,10 @@ else
         {
             <option value="@destination">@destination</option>
         }
+        @foreach (var destination in CustodianDestinations)
+        {
+            <option value="@destination.Key">@destination.Value</option>
+        }
     </datalist>
 
 
@@ -205,6 +215,7 @@ else
     public PaymentMethodId pmichain { get; set; } = new("BTC", PaymentTypes.BTCLike);
     public bool NoPayoutProcessors { get; set; }
 
+    public Dictionary<string, string> CustodianDestinations { get; set; }
     private string PrismEditButtonsFilter { get; set; }
 
     protected override async Task OnAfterRenderAsync(bool firstRender)
@@ -236,6 +247,35 @@ else
             await Task.WhenAll(tasks);
             Settings = await fetchSettings;
             Users = await fetchLnAddresses;
+            CustodianDestinations = await FetchCustodians();
+
+            async Task<Dictionary<string, string>> FetchCustodians()
+            {
+                var result = new Dictionary<string, string>();
+               var custodianConfigs  = await  CustodianAccountRepository.FindByStoreId(StoreId);
+               foreach (var custodianConfig in custodianConfigs)
+               {
+                  var  custodian =  Custodians.GetCustodianByCode(custodianConfig.CustodianCode);
+                  if(custodian is not ICanDeposit canDeposit)
+                      continue;
+                  foreach (var depositablePaymentMethod in canDeposit.GetDepositablePaymentMethods())
+                  {
+                      var pmi = PaymentMethodId.TryParse(depositablePaymentMethod);
+                        if(pmi is null || pmi.CryptoCode != "BTC")
+                            continue;
+
+                        var custodianDestination = new CustodianDestinationValidator.CustodianDestination()
+                        {
+                            CustodianId = custodianConfig.Id,
+                            PaymentMethod = pmi.ToString()
+                        };
+                        result.TryAdd(custodianDestination.ToString(), $"{custodianConfig.Name} {pmi.ToPrettyString()} (Custodian)");
+                  }
+                  
+               }
+               return result;   
+            }
+
             EditContext = new EditContext(Settings);
             MessageStore = new ValidationMessageStore(EditContext);
             EditContext.OnValidationRequested += Validate;
@@ -252,6 +292,7 @@ else
         await base.OnAfterRenderAsync(firstRender);
     }
 
+
     private void FieldChanged(object sender, FieldChangedEventArgs e)
     {
         StatusMessageModel = null;