Fixing CheckNoDeadLink test now that btse blocks our call from circleci

BTCPayServer.Client/BTCPayServerClient.Stores.cs

@@ -12,5 +12,12 @@ namespace BTCPayServer.Client
             var response = await _httpClient.SendAsync(CreateHttpRequest("api/v1/stores"), token);
             return await HandleResponse<IEnumerable<StoreData>>(response);
         }
+
+        public virtual async Task<StoreData> GetStore(string storeId, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}"), token);
+            return await HandleResponse<StoreData>(response);
+        }
     }
 }

BTCPayServer.Client/BTCPayServerClient.cs

@@ -96,7 +96,7 @@ namespace BTCPayServer.Client
             foreach (KeyValuePair<string, object> keyValuePair in payload)
             {
                 UriBuilder uriBuilder = uri;
-                if (keyValuePair.Value.GetType().GetInterfaces().Contains((typeof(IEnumerable))))
+                if (!(keyValuePair.Value is string) && keyValuePair.Value.GetType().GetInterfaces().Contains((typeof(IEnumerable))))
                 {
                     foreach (var item in (IEnumerable)keyValuePair.Value)
                     {

BTCPayServer.Tests/GreenfieldAPITests.cs

@@ -168,10 +168,17 @@ namespace BTCPayServer.Tests
                 user.GrantAccess();
                 await user.MakeAdmin();
                 var client = await user.CreateClient(Policies.Unrestricted);
+                
+                //list stores
                 var stores = await client.GetStores();
                 Assert.NotNull(stores);
                 Assert.Single(stores);
                 Assert.Equal(user.StoreId,stores.First().Id);
+
+                //get store
+                var store = await client.GetStore(user.StoreId);
+                Assert.Equal(user.StoreId,store.Id);
+                Assert.Equal(store.Name,stores.First().Name);
             }
         }
         

BTCPayServer/Controllers/GreenField/StoresController.cs

@@ -1,11 +1,11 @@
 using System.Collections.Generic;
 using System.Linq;
+using BTCPayServer.Client;
 using BTCPayServer.Security;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
-using BTCPayServer.Client;
 
-namespace BTCPayServer.Controllers.RestApi
+namespace BTCPayServer.Controllers.GreenField
 {
     [ApiController]
     [Authorize(AuthenticationSchemes = AuthenticationSchemes.Greenfield)]
@@ -15,10 +15,22 @@ namespace BTCPayServer.Controllers.RestApi
         [HttpGet("~/api/v1/stores")]
         public ActionResult<IEnumerable<Client.Models.StoreData>> GetStores()
         {
-           var stores = this.HttpContext.GetStoresData();
+           var stores = HttpContext.GetStoresData();
            return Ok(stores.Select(FromModel));
         }
         
+        [Authorize(Policy = Policies.CanViewStoreSettings, AuthenticationSchemes = AuthenticationSchemes.Greenfield)]
+        [HttpGet("~/api/v1/stores/{storeId}")]
+        public ActionResult<Client.Models.StoreData> GetStore(string storeId)
+        {
+            var store = HttpContext.GetStoreData();
+            if (store == null)
+            {
+                return NotFound();
+            }
+            return Ok(FromModel(store));
+        }
+        
         private static Client.Models.StoreData FromModel(Data.StoreData data)
         {
             return new Client.Models.StoreData()