Can set currency in the create invoice form fix #15

BTCPayServer/BTCPayServer.csproj

@@ -22,7 +22,7 @@
     <PackageReference Include="Hangfire.PostgreSql" Version="1.4.8.1" />
     <PackageReference Include="Microsoft.Extensions.Logging.Filter" Version="1.1.2" />
     <PackageReference Include="NBitcoin" Version="4.0.0.48" />
-    <PackageReference Include="NBitpayClient" Version="1.0.0.12" />	  
+    <PackageReference Include="NBitpayClient" Version="1.0.0.13" />	  
     <PackageReference Include="DBreeze" Version="1.87.0" />
     <PackageReference Include="NBXplorer.Client" Version="1.0.0.18" />
     <PackageReference Include="NicolasDorier.CommandLine" Version="1.0.0.1" />

BTCPayServer/Controllers/InvoiceController.UI.cs

@@ -15,6 +15,7 @@ using System.Linq;
 using System.Security.Claims;
 using System.Text;
 using System.Threading.Tasks;
+using BTCPayServer.Services.Rates;
 
 namespace BTCPayServer.Controllers
 {
@@ -245,10 +246,13 @@ namespace BTCPayServer.Controllers
                     storeId = store.Id
                 });
             }
+
+            try
+            {
                 var result = await CreateInvoiceCore(new Invoice()
                 {
                     Price = model.Amount.Value,
-                Currency = "USD",
+                    Currency = model.Currency,
                     PosData = model.PosData,
                     OrderId = model.OrderId,
                     //RedirectURL = redirect + "redirect",
@@ -261,6 +265,12 @@ namespace BTCPayServer.Controllers
                 StatusMessage = $"Invoice {result.Data.Id} just created!";
                 return RedirectToAction(nameof(ListInvoices));
             }
+            catch (RateUnavailableException)
+            {
+                ModelState.TryAddModelError(nameof(model.Currency), "Unsupported currency");
+                return View(model);
+            }
+        }
 
         private async Task<SelectList> GetStores(string userId, string storeId = null)
         {

BTCPayServer/Models/InvoicingModels/CreateInvoiceModel.cs

@@ -9,12 +9,22 @@ namespace BTCPayServer.Models.InvoicingModels
 {
     public class CreateInvoiceModel
     {
+        public CreateInvoiceModel()
+        {
+            Currency = "USD";
+        }
         [Required]
         public double? Amount
         {
             get; set;
         }
 
+        [Required]
+        public string Currency
+        {
+            get; set;
+        }
+
         [Required]
         public string StoreId
         {

BTCPayServer/Views/Invoice/CreateInvoice.cshtml

@@ -19,6 +19,11 @@
                         <input asp-for="Amount" class="form-control" />
                         <span asp-validation-for="Amount" class="text-danger"></span>
                     </div>
+                    <div class="form-group">
+                        <label asp-for="Currency" class="control-label"></label>*
+                        <input asp-for="Currency" class="form-control" />
+                        <span asp-validation-for="Currency" class="text-danger"></span>
+                    </div>
                     <div class="form-group">
                         <label asp-for="OrderId" class="control-label"></label>
                         <input asp-for="OrderId" class="form-control" />

btcpayserver.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26730.16
+VisualStudioVersion = 15.0.27004.2005
 MinimumVisualStudioVersion = 15.0.26124.0
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BTCPayServer", "BTCPayServer\BTCPayServer.csproj", "{949A0870-8D8C-4DE5-8845-DDD560489177}"
 EndProject