Refactored.

src/Volo.Abp.Http.Client/Microsoft/Extensions/DependencyInjection/ServiceCollectionDynamicHttpClientProxyExtensions.cs

@@ -13,10 +13,7 @@ namespace Microsoft.Extensions.DependencyInjection
     {
         private static readonly ProxyGenerator ProxyGeneratorInstance = new ProxyGenerator();
 
-        public static IServiceCollection AddHttpClientProxies(
-            this IServiceCollection services,
-            Assembly assembly,
-            string remoteServiceName)
+        public static IServiceCollection AddHttpClientProxies(this IServiceCollection services, Assembly assembly, string remoteServiceName = RemoteServiceConfigurationDictionary.DefaultName)
         {
             //TODO: Add option to change type filter
 
@@ -32,12 +29,12 @@ namespace Microsoft.Extensions.DependencyInjection
             return services;
         }
 
-        public static IServiceCollection AddHttpClientProxy<T>(this IServiceCollection services, string remoteServiceName)
+        public static IServiceCollection AddHttpClientProxy<T>(this IServiceCollection services, string remoteServiceName = RemoteServiceConfigurationDictionary.DefaultName)
         {
             return services.AddHttpClientProxy(typeof(T), remoteServiceName);
         }
 
-        public static IServiceCollection AddHttpClientProxy(this IServiceCollection services, Type type, string remoteServiceName)
+        public static IServiceCollection AddHttpClientProxy(this IServiceCollection services, Type type, string remoteServiceName = RemoteServiceConfigurationDictionary.DefaultName)
         {
             services.Configure<AbpHttpClientOptions>(options =>
             {

src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/RemoteServiceConfiguration.cs

@@ -0,0 +1,17 @@
+namespace Volo.Abp.Http.Client
+{
+    public class RemoteServiceConfiguration
+    {
+        public string BaseUrl { get; set; }
+
+        public RemoteServiceConfiguration()
+        {
+            
+        }
+
+        public RemoteServiceConfiguration(string baseUrl)
+        {
+            BaseUrl = baseUrl;
+        }
+    }
+}

src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/RemoteServiceConfigurationDictionary.cs

@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+
+namespace Volo.Abp.Http.Client
+{
+    public class RemoteServiceConfigurationDictionary : Dictionary<string, RemoteServiceConfiguration>
+    {
+        public const string DefaultName = "Default";
+
+        public RemoteServiceConfiguration Default
+        {
+            get { return this.GetOrDefault(DefaultName); }
+            set { this[DefaultName] = value; }
+        }
+    }
+}

src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/RemoteServiceOptions.cs

@@ -1,42 +1,12 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace Volo.Abp.Http.Client
+namespace Volo.Abp.Http.Client
 {
     public class RemoteServiceOptions
     {
-        public RemoteServiceDictionary RemoteServices { get; set; }
+        public RemoteServiceConfigurationDictionary RemoteServices { get; set; }
 
         public RemoteServiceOptions()
         {
-            RemoteServices = new RemoteServiceDictionary();
-        }
-    }
-
-    public class RemoteServiceDictionary : Dictionary<string, RemoteServiceConfiguration>
-    {
-        public const string DefaultName = "Default";
-
-        public RemoteServiceConfiguration Default
-        {
-            get { return this.GetOrDefault(DefaultName); }
-            set { this[DefaultName] = value; }
-        }
-    }
-
-    public class RemoteServiceConfiguration
-    {
-        public string BaseUrl { get; set; }
-
-        public RemoteServiceConfiguration()
-        {
-            
-        }
-
-        public RemoteServiceConfiguration(string baseUrl)
-        {
-            BaseUrl = baseUrl;
+            RemoteServices = new RemoteServiceConfigurationDictionary();
         }
     }
 }

src/Volo.Abp.Identity.HttpApi/Volo/Abp/Identity/AbpIdentityHttpApiModule.cs

@@ -13,7 +13,6 @@ namespace Volo.Abp.Identity
 
             services.Configure<AbpAspNetCoreMvcOptions>(options =>
             {
-                //TODO: We can move this call to services.AddAppServicesAsControllers(typeof(AbpIdentityApplicationContractsModule).Assembly, "identity");
                 options.AppServiceControllers.CreateFor(typeof(AbpIdentityApplicationModule).Assembly, "identity");
             });
         }

test/Volo.Abp.Http.Client.Tests/Volo/Abp/Http/AbpHttpTestModule.cs

@@ -14,8 +14,8 @@ namespace Volo.Abp.Http
         {
             services.AddAssemblyOf<AbpHttpTestModule>();
 
-            services.AddHttpClientProxies(typeof(TestAppModule).Assembly, "Default");
-            services.AddHttpClientProxy<IRegularTestController>("Default");
+            services.AddHttpClientProxies(typeof(TestAppModule).Assembly);
+            services.AddHttpClientProxy<IRegularTestController>();
 
             services.Configure<RemoteServiceOptions>(options =>
             {