Bump NBitcoin

* Fix pay button CSP issue when using modal

Fixes #2864.

* Use event handler, refactor csp tags

* Fix script indentation

* Fix onsubmit event handler integration

Co-authored-by: nicolas.dorier <nicolas.dorier@gmail.com>

.circleci/config.yml

@@ -124,7 +124,6 @@ workflows:
           filters:
             branches:
                 only: master
-
   publish:
     jobs:
       - amd64:
@@ -134,21 +133,22 @@ workflows:
               ignore: /.*/
             # only act on version tags v1.0.0.88 or v1.0.2-1
             # OR feature tags like vlndseedbackup
+            # OR features on specific versions like v1.0.0.88-lndseedbackup-1
             tags:
-                
-              only: /(v[1-9]+(\.[0-9]+)*(-[0-9]+)?)|(v[a-z]+)/
+
+              only: /(v[1-9]+(\.[0-9]+)*(-[a-z0-9-]+)?)|(v[a-z0-9-]+)/
       - arm32v7:
           filters:
             branches:
               ignore: /.*/
             tags:
-              only: /(v[1-9]+(\.[0-9]+)*(-[0-9]+)?)|(v[a-z]+)/
+              only: /(v[1-9]+(\.[0-9]+)*(-[a-z0-9-]+)?)|(v[a-z0-9-]+)/
       - arm64v8:
           filters:
             branches:
               ignore: /.*/
             tags:
-              only: /(v[1-9]+(\.[0-9]+)*(-[0-9]+)?)|(v[a-z]+)/
+              only: /(v[1-9]+(\.[0-9]+)*(-[a-z0-9-]+)?)|(v[a-z0-9-]+)/
       - multiarch:
           requires:
             - amd64
@@ -158,4 +158,4 @@ workflows:
             branches:
               ignore: /.*/
             tags:
-              only: /(v[1-9]+(\.[0-9]+)*(-[0-9]+)?)|(v[a-z]+)/
+              only: /(v[1-9]+(\.[0-9]+)*(-[a-z0-9-]+)?)|(v[a-z0-9-]+)/

.github/ISSUE_TEMPLATE/bug-report.md

@@ -0,0 +1,63 @@
+---
+name: "\U0001F41B Bug report"
+about: Report a bug or a technical issue
+
+---
+
+<!--
+Thank you for reporting a technical issue.
+
+This issue tracker is only for bug reports and problems. 
+
+For general questions please read our documentation docs.btcpayserver.org. You can ask technical questions in discussions https://github.com/btcpayserver/btcpayserver/discussions and general support on our community chat chat.btcpayserver.org
+
+Please fill in as much of the template below as you're able. 
+-->
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce the bug**
+Steps to reproduce the reported bug:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+
+<!--
+A clear and concise description of what you expected to happen.
+-->
+
+**Screenshots**
+
+
+<!--
+If applicable, add screenshots to help explain your problem.
+-->
+
+**Your BTCPay Environment (please complete the following information):**
+- BTCPay Server Version:    <!--[available in the right bottom corner of footer] -->
+- Deployment Method:        <!--[e.g. Docker, Manual, Third-Party-host]-->
+- Browser:                  <!--[e.g. Chrome, Safari]-->
+
+**Logs (if applicable)**
+
+
+<!--
+Basic logs can be found in Server Settings > Logs. 
+More logs https://docs.btcpayserver.org/Troubleshooting/#2-looking-through-the-logs
+-->
+
+**Setup Parameters**
+
+<!--
+If you're reporting a deployment issue run `. btcpay-setup.sh -i` and paste the setup parameters here with your private information removed or obscured.
+-->
+
+**Additional context**
+
+<!--
+Add any other context about the problem here.
+-->

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,37 +0,0 @@
----
-name: Report a problem
-about: File a technical problem or report a bug
----
-
-**Describe the problem/bug**
-A clear and concise description of what the bug is.
-
-**Your environment**
-* Version of BTCPay Server:
-* Deployment method: 
-* Other relevant environment details:
-
-**Logs (if applicable)**
-Basic logs can be found in Server Settings > Logs.
-
-**Setup Parameters**
-If you're reporting a deployment issue run `. btcpay-setup.sh -i` and paste your the paremeters by obscuring private information.
-
-**To Reproduce**
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
-
-**Expected behavior**
-A clear and concise description of what you expected to happen.
-
-**Actual behavior**
-Tell us what happens instead
-
-**Screenshots/Links**
-If applicable, add screenshots or links to help explain your problem.
-
-**Additional context**
-Add any other context about the problem here.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,11 @@
+blank_issues_enabled: false
+contact_links: 
+  - name: 🚀 Discussions  
+    url: https://github.com/btcpayserver/btcpayserver/discussions
+    about: Technical discussions, questions and feature requests    
+  - name: 📝 Official Documentation
+    url: https://docs.btcpayserver.org
+    about: Check our documentation for answers to common questions 
+  - name: 💬 Community Support Chat  
+    url: https://chat.btcpayserver.org/
+    about: Ask general questions and get community support in real-time

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,20 +0,0 @@
----
-name: Feature request
-about: Ideas and feature requests
-
----
-
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
-
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
-
-**Provide examples**
-If applicable provide examples, wireframes, sketches or images to better explain your idea.
-
-**Additional context**
-Add any other context or screenshots about the feature request here.

.gitignore

@@ -298,3 +298,4 @@ BTCPayServer/wwwroot/bundles/*
 !.vscode/extensions.json
 BTCPayServer/testpwd
 .DS_Store
+Packed Plugins

.run/Pack Test Extension.run.xml

@@ -0,0 +1,21 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Pack Test Plugin" type="DotNetProject" factoryName=".NET Project" singleton="false">
+    <option name="EXE_PATH" value="$PROJECT_DIR$/BTCPayServer.PluginPacker/bin/Debug/netcoreapp3.1/BTCPayServer.PluginPacker.dll" />
+    <option name="PROGRAM_PARAMETERS" value="../../../../BTCPayServer.Plugins.Test\bin\Debug\netcoreapp3.1 BTCPayServer.Plugins.Test &quot;../../../../Packed Plugins&quot;" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/BTCPayServer.PluginPacker/bin/Debug/netcoreapp3.1" />
+    <option name="PASS_PARENT_ENVS" value="1" />
+    <option name="USE_EXTERNAL_CONSOLE" value="0" />
+    <option name="USE_MONO" value="0" />
+    <option name="RUNTIME_ARGUMENTS" value="" />
+    <option name="PROJECT_PATH" value="$PROJECT_DIR$/BTCPayServer.PluginPacker/BTCPayServer.PluginPacker.csproj" />
+    <option name="PROJECT_EXE_PATH_TRACKING" value="1" />
+    <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
+    <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
+    <option name="PROJECT_KIND" value="DotNetCore" />
+    <option name="PROJECT_TFM" value=".NETCoreApp,Version=v3.1" />
+    <method v="2">
+      <option name="Build" default="false" projectName="BTCPayServer.Plugins.Test" projectPath="C:\Git\btcpayserver\BTCPayServer.Plugins.Test\BTCPayServer.Plugins.Test.csproj" />
+      <option name="Build" />
+    </method>
+  </configuration>
+</component>

BTCPayServer.Abstractions/BTCPayServer.Abstractions.csproj

@@ -0,0 +1,42 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <Import Project="../Build/Version.csproj" Condition="Exists('../Build/Version.csproj')" />
+  <Import Project="../Build/Common.csproj" />
+
+  <PropertyGroup>
+    <Company>BTCPay Server</Company>
+    <Copyright>Copyright © BTCPay Server 2020</Copyright>
+    <Description>A library for BTCPay Server plugin development</Description>
+    <PackageIcon>icon.png</PackageIcon>
+    <PackageTags>btcpay,btcpayserver</PackageTags>
+    <PackageProjectUrl>https://github.com/btcpayserver/btcpayserver/tree/master/BTCPayServer.Abstractions</PackageProjectUrl>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <RepositoryUrl>https://github.com/btcpayserver/btcpayserver</RepositoryUrl>
+    <RepositoryType>git</RepositoryType>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <EmbedUntrackedSources>true</EmbedUntrackedSources>
+    <DebugType>portable</DebugType>
+    <Optimize>true</Optimize>
+    <NoWarn>1591;1573;1572;1584;1570;3021</NoWarn>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+  </PropertyGroup>  
+  <ItemGroup Condition=" '$(Configuration)' == 'Release' ">
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
+  <ItemGroup>
+    <FrameworkReference Include="Microsoft.AspNetCore.App" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="icon.png" Pack="true" PackagePath="\" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.4" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="3.1.4" />
+    <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="3.1.1" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\BTCPayServer.Client\BTCPayServer.Client.csproj" />
+  </ItemGroup>
+</Project>

BTCPayServer.Abstractions/Configuration/DataDirectories.cs

@@ -0,0 +1,12 @@
+namespace BTCPayServer.Configuration
+{
+    public class DataDirectories
+    {
+        public string DataDir  { get; set; }
+        public string PluginDir  { get; set; }
+        public string TempStorageDir { get; set; }
+        public string StorageDir { get; set; }
+    }
+    
+    
+}

BTCPayServer.Abstractions/Constants/AuthenticationSchemes.cs

@@ -1,4 +1,4 @@
-namespace BTCPayServer.Security
+namespace BTCPayServer.Abstractions.Constants
 {
     public class AuthenticationSchemes
     {

BTCPayServer.Abstractions/Contracts/BaseDbContextFactory.cs

@@ -0,0 +1,109 @@
+using System;
+using BTCPayServer.Abstractions.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.Extensions.Options;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Migrations.Operations;
+
+namespace BTCPayServer.Abstractions.Contracts
+{
+    public abstract class BaseDbContextFactory<T> where T: DbContext
+    {
+        private readonly IOptions<DatabaseOptions> _options;
+        private readonly string _schemaPrefix;
+
+        public BaseDbContextFactory(IOptions<DatabaseOptions> options, string schemaPrefix)
+        {
+            _options = options;
+            _schemaPrefix = schemaPrefix;
+        }
+
+        public abstract T CreateContext();
+
+        class CustomNpgsqlMigrationsSqlGenerator : NpgsqlMigrationsSqlGenerator
+        {
+            public CustomNpgsqlMigrationsSqlGenerator(MigrationsSqlGeneratorDependencies dependencies, IMigrationsAnnotationProvider annotations, Npgsql.EntityFrameworkCore.PostgreSQL.Infrastructure.Internal.INpgsqlOptions opts) : base(dependencies, annotations, opts)
+            {
+            }
+
+            protected override void Generate(NpgsqlCreateDatabaseOperation operation, IModel model, MigrationCommandListBuilder builder)
+            {
+                builder
+                    .Append("CREATE DATABASE ")
+                    .Append(Dependencies.SqlGenerationHelper.DelimitIdentifier(operation.Name));
+
+                // POSTGRES gotcha: Indexed Text column (even if PK) are not used if we are not using C locale
+                builder
+                    .Append(" TEMPLATE ")
+                    .Append(Dependencies.SqlGenerationHelper.DelimitIdentifier("template0"));
+
+                builder
+                    .Append(" LC_CTYPE ")
+                    .Append(Dependencies.SqlGenerationHelper.DelimitIdentifier("C"));
+
+                builder
+                    .Append(" LC_COLLATE ")
+                    .Append(Dependencies.SqlGenerationHelper.DelimitIdentifier("C"));
+
+                builder
+                    .Append(" ENCODING ")
+                    .Append(Dependencies.SqlGenerationHelper.DelimitIdentifier("UTF8"));
+
+                if (operation.Tablespace != null)
+                {
+                    builder
+                        .Append(" TABLESPACE ")
+                        .Append(Dependencies.SqlGenerationHelper.DelimitIdentifier(operation.Tablespace));
+                }
+
+                builder.AppendLine(Dependencies.SqlGenerationHelper.StatementTerminator);
+
+                EndStatement(builder, suppressTransaction: true);
+            }
+        }
+
+        public void ConfigureBuilder(DbContextOptionsBuilder builder)
+        {
+            switch (_options.Value.DatabaseType)
+            {
+                case DatabaseType.Sqlite:
+                    builder.UseSqlite(_options.Value.ConnectionString, o =>
+                    {
+                        if (!string.IsNullOrEmpty(_schemaPrefix))
+                        {
+                            o.MigrationsHistoryTable(_schemaPrefix);
+                        }
+                    });
+                    break;
+                case DatabaseType.Postgres:
+                    builder
+                        .UseNpgsql(_options.Value.ConnectionString, o =>
+                        {
+                            o.EnableRetryOnFailure(10);
+                            if (!string.IsNullOrEmpty(_schemaPrefix))
+                            {
+                                o.MigrationsHistoryTable(_schemaPrefix);
+                            }
+                        })
+                        .ReplaceService<IMigrationsSqlGenerator, CustomNpgsqlMigrationsSqlGenerator>();
+                    break;
+                case DatabaseType.MySQL:
+                    builder.UseMySql(_options.Value.ConnectionString, o =>
+                    {
+                        o.EnableRetryOnFailure(10);
+                            
+                        if (!string.IsNullOrEmpty(_schemaPrefix))
+                        {
+                            o.MigrationsHistoryTable(_schemaPrefix);
+                        }
+                    });
+                    break;
+                default:
+                    throw new ArgumentOutOfRangeException();
+            }
+        }
+        
+    }
+}

BTCPayServer.Abstractions/Contracts/IBTCPayServerClientFactory.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+using BTCPayServer.Client;
+
+namespace BTCPayServer.Abstractions.Contracts
+{
+    public interface IBTCPayServerClientFactory
+    {
+        Task<BTCPayServerClient> Create(string userId, params string[] storeIds);
+    }
+}

BTCPayServer.Abstractions/Contracts/IBTCPayServerPlugin.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Text.Json.Serialization;
+using BTCPayServer.Abstractions.Converters;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace BTCPayServer.Abstractions.Contracts
+{
+    public interface IBTCPayServerPlugin
+    {
+        public string Identifier { get; }
+        string Name { get; }
+        [JsonConverter(typeof(VersionConverter))]
+        Version Version { get; }
+        string Description { get; }
+        bool SystemPlugin { get; set; }
+        PluginDependency[] Dependencies { get; }
+        void Execute(IApplicationBuilder applicationBuilder, IServiceProvider applicationBuilderApplicationServices);
+        void Execute(IServiceCollection applicationBuilder);
+
+        public class PluginDependency
+        {
+            public string Identifier { get; set; }
+            public string Condition { get; set; }
+            public override string ToString()
+            {
+                return $"{Identifier}: {Condition}";
+            }
+        }
+    }
+    
+}

BTCPayServer.Abstractions/Contracts/INotificationHandler.cs

@@ -0,0 +1,27 @@
+using System;
+
+namespace BTCPayServer.Abstractions.Contracts
+{
+    public abstract class BaseNotification
+    {
+        public abstract string Identifier { get; }
+        public abstract string NotificationType { get; }
+    }
+    
+    public interface INotificationHandler
+    {
+        string NotificationType { get; }
+        Type NotificationBlobType { get; }
+        public (string identifier, string name)[] Meta { get; }
+        void FillViewModel(object notification, NotificationViewModel vm);
+    }
+    
+    public class NotificationViewModel
+    {
+        public string Id { get; set; }
+        public DateTimeOffset Created { get; set; }
+        public string Body { get; set; }
+        public string ActionLink { get; set; }
+        public bool Seen { get; set; }
+    }
+}

BTCPayServer.Abstractions/Contracts/IPluginHookAction.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+
+namespace BTCPayServer.Abstractions.Contracts
+{
+    public interface IPluginHookAction
+    {
+        public string Hook { get; }
+        Task Execute(object args);
+    }
+}

BTCPayServer.Abstractions/Contracts/IPluginHookFilter.cs

@@ -0,0 +1,11 @@
+using System.Threading.Tasks;
+
+namespace BTCPayServer.Abstractions.Contracts
+{
+    public interface IPluginHookFilter
+    {
+        public string Hook { get; }
+        
+        Task<object> Execute(object args);
+    }
+}

BTCPayServer.Abstractions/Contracts/IPluginHookService.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+
+namespace BTCPayServer.Abstractions.Contracts
+{
+    public interface IPluginHookService
+    {
+        Task ApplyAction(string hook, object args);
+        Task<object> ApplyFilter(string hook, object args);
+    }
+}

BTCPayServer.Abstractions/Contracts/ISettingsRepository.cs

@@ -0,0 +1,13 @@
+#nullable enable
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace BTCPayServer.Abstractions.Contracts
+{
+    public interface ISettingsRepository
+    {
+        Task<T?> GetSettingAsync<T>(string? name = null) where T : class;
+        Task UpdateSetting<T>(T obj, string? name = null) where T : class;
+        Task<T> WaitSettingsChanged<T>(CancellationToken cancellationToken = default) where T : class;
+    }
+}

BTCPayServer.Abstractions/Contracts/IStartupTask.cs

@@ -1,7 +1,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace BTCPayServer.Hosting
+namespace BTCPayServer.Abstractions.Contracts
 {
     public interface IStartupTask
     {

BTCPayServer.Abstractions/Contracts/ISyncSummaryProvider.cs

@@ -0,0 +1,18 @@
+using System.Collections.Generic;
+
+namespace BTCPayServer.Abstractions.Contracts
+{
+    public interface ISyncSummaryProvider
+    {
+        bool AllAvailable();
+
+        string Partial { get; }
+        IEnumerable<ISyncStatus> GetStatuses();
+    }
+
+    public interface ISyncStatus
+    {
+        public string CryptoCode { get; set; }
+        public bool Available { get; }
+    }
+}

BTCPayServer.Abstractions/Contracts/IUIExtension.cs

@@ -0,0 +1,9 @@
+namespace BTCPayServer.Abstractions.Contracts
+{
+    public interface IUIExtension
+    {
+        string Partial { get; }
+        
+        string Location { get; }
+    }
+}

BTCPayServer.Abstractions/Converters/VersionConverter.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace BTCPayServer.Abstractions.Converters
+{
+    public class VersionConverter : JsonConverter<Version>
+    {
+        public override Version Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            return Version.Parse(reader.GetString());
+        }
+
+        public override void Write(Utf8JsonWriter writer, Version value, JsonSerializerOptions options)
+        {
+            writer.WriteStringValue(value.ToString());
+        }
+    }
+}

BTCPayServer.Abstractions/Extensions/Extensions.cs

@@ -0,0 +1,20 @@
+using System.Text.Json;
+using BTCPayServer.Abstractions.Models;
+using Microsoft.AspNetCore.Mvc.ViewFeatures;
+
+namespace BTCPayServer.Abstractions.Extensions
+{
+    public static class SetStatusMessageModelExtensions
+    {
+        public static void SetStatusMessageModel(this ITempDataDictionary tempData, StatusMessageModel statusMessage)
+        {
+            if (statusMessage == null)
+            {
+                tempData.Remove("StatusMessageModel");
+                return;
+            }
+
+            tempData["StatusMessageModel"] = JsonSerializer.Serialize(statusMessage, new JsonSerializerOptions());
+        }
+    }
+}

BTCPayServer.Abstractions/Extensions/ServiceCollectionExtensions.cs

@@ -1,6 +1,7 @@
-using BTCPayServer.Hosting;
+using BTCPayServer.Abstractions.Contracts;
+using Microsoft.Extensions.DependencyInjection;
 
-namespace Microsoft.Extensions.DependencyInjection
+namespace BTCPayServer.Abstractions.Extensions
 {
     public static class ServiceCollectionExtensions
     {

BTCPayServer.Abstractions/Extensions/ViewsRazor.cs

@@ -3,36 +3,64 @@ using System.Globalization;
 using Microsoft.AspNetCore.Html;
 using Microsoft.AspNetCore.Mvc.ViewFeatures;
 
-namespace BTCPayServer.Views
+namespace BTCPayServer.Abstractions.Extensions
 {
     public static class ViewsRazor
     {
-        public const string ACTIVE_PAGE_KEY = "ActivePage";
-        public static void SetActivePageAndTitle<T>(this ViewDataDictionary viewData, T activePage, string title = null)
+        private const string ACTIVE_CATEGORY_KEY = "ActiveCategory";
+        private const string ACTIVE_PAGE_KEY = "ActivePage";
+
+        public static void SetActivePageAndTitle<T>(this ViewDataDictionary viewData, T activePage, string title = null, string mainTitle = null)
             where T : IConvertible
         {
+            // Browser Title
             viewData["Title"] = title ?? activePage.ToString();
+            // Breadcrumb
+            viewData["MainTitle"] = mainTitle;
+            viewData["PageTitle"] = title;
+            // Navigation
             viewData[ACTIVE_PAGE_KEY] = activePage;
+            SetActiveCategory(viewData, activePage.GetType());
+        }
+
+        public static void SetActiveCategory<T>(this ViewDataDictionary viewData, T activeCategory)
+        {
+            viewData[ACTIVE_CATEGORY_KEY] = activeCategory;
+        }
+
+        public static string IsActiveCategory<T>(this ViewDataDictionary viewData, T category)
+        {
+            if (!viewData.ContainsKey(ACTIVE_CATEGORY_KEY))
+            {
+                return null;
+            }
+            var activeCategory = (T)viewData[ACTIVE_CATEGORY_KEY];
+            return category.Equals(activeCategory) ? "active" : null;
         }
 
         public static string IsActivePage<T>(this ViewDataDictionary viewData, T page)
             where T : IConvertible
         {
+            if (!viewData.ContainsKey(ACTIVE_PAGE_KEY))
+            {
+                return null;
+            }
             var activePage = (T)viewData[ACTIVE_PAGE_KEY];
             return page.Equals(activePage) ? "active" : null;
         }
 
         public static HtmlString ToBrowserDate(this DateTimeOffset date)
         {
-            var hello = date.ToString("o", CultureInfo.InvariantCulture);
-            return new HtmlString($"<span class='localizeDate'>{hello}</span>");
+            var displayDate = date.ToString("o", CultureInfo.InvariantCulture);
+            return new HtmlString($"<span class='localizeDate'>{displayDate}</span>");
         }
 
-        public static HtmlString ToBrowserDate2(this DateTime date)
+        public static HtmlString ToBrowserDate(this DateTime date)
         {
-            var hello = date.ToString("o", CultureInfo.InvariantCulture);
-            return new HtmlString($"<span class='localizeDate'>{hello}</span>");
+            var displayDate = date.ToString("o", CultureInfo.InvariantCulture);
+            return new HtmlString($"<span class='localizeDate'>{displayDate}</span>");
         }
+        
         public static string ToTimeAgo(this DateTimeOffset date)
         {
             var formatted = (DateTimeOffset.UtcNow - date).TimeString() + " ago";

BTCPayServer.Abstractions/Models/BaseBTCPayServerPlugin.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Reflection;
+using BTCPayServer.Abstractions.Contracts;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace BTCPayServer.Abstractions.Models
+{
+    public abstract class BaseBTCPayServerPlugin : IBTCPayServerPlugin
+    {
+        public abstract string Identifier { get; }
+        public abstract string Name { get; }
+
+        public virtual Version Version
+        {
+            get
+            {
+                return Assembly.GetAssembly(GetType())?.GetName().Version ?? new Version(1, 0, 0, 0);
+            }
+        }
+
+        public abstract string Description { get; }
+        public bool SystemPlugin { get; set; }
+        public virtual IBTCPayServerPlugin.PluginDependency[] Dependencies { get; } = Array.Empty<IBTCPayServerPlugin.PluginDependency>();
+
+        public virtual void Execute(IApplicationBuilder applicationBuilder,
+            IServiceProvider applicationBuilderApplicationServices)
+        {
+        }
+
+        public virtual void Execute(IServiceCollection applicationBuilder)
+        {
+        }
+    }
+}

BTCPayServer.Abstractions/Models/DatabaseOptions.cs

@@ -0,0 +1,8 @@
+namespace BTCPayServer.Abstractions.Models
+{
+    public class DatabaseOptions
+    {
+        public DatabaseType DatabaseType { get; set; }
+        public string ConnectionString { get; set; }
+    }
+}

BTCPayServer.Abstractions/Models/DatabaseType.cs

@@ -0,0 +1,9 @@
+namespace BTCPayServer.Abstractions.Models
+{
+    public enum DatabaseType
+    {
+        Sqlite,
+        Postgres,
+        MySQL,
+    }
+}

BTCPayServer.Abstractions/Models/StatusMessageModel.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace BTCPayServer.Models
+namespace BTCPayServer.Abstractions.Models
 {
     public class StatusMessageModel
     {

BTCPayServer.Abstractions/PushNuget.ps1

@@ -0,0 +1,7 @@
+rm "bin\release\" -Recurse -Force
+dotnet pack --configuration Release --include-symbols -p:SymbolPackageFormat=snupkg
+$package=(ls .\bin\Release\*.nupkg).FullName
+dotnet nuget push $package --source "https://api.nuget.org/v3/index.json"
+$ver = ((ls .\bin\release\*.nupkg)[0].Name -replace '.*(\d+\.\d+\.\d+)\.nupkg','$1')
+git tag -a "BTCPayServer.Abstractions/v$ver" -m "BTCPayServer.Abstractions/$ver"
+git push origin "BTCPayServer.Abstractions/v$ver"

BTCPayServer.Abstractions/Services/PluginAction.cs

@@ -0,0 +1,16 @@
+using System.Threading.Tasks;
+using BTCPayServer.Abstractions.Contracts;
+
+namespace BTCPayServer.Abstractions.Services
+{
+    public abstract class PluginAction<T>:IPluginHookAction
+    {
+        public abstract string Hook { get; }
+        public Task Execute(object args)
+        {
+            return Execute(args is T args1 ? args1 : default);
+        }
+
+        public abstract Task Execute(T arg);
+    }
+}

BTCPayServer.Abstractions/Services/PluginHookFilter.cs

@@ -0,0 +1,17 @@
+using System.Threading.Tasks;
+using BTCPayServer.Abstractions.Contracts;
+
+namespace BTCPayServer.Abstractions.Services
+{
+    public abstract class PluginHookFilter<T>:IPluginHookFilter
+    {
+        public abstract string Hook { get; }
+
+        public Task<object> Execute(object args)
+        {
+            return Execute(args is T args1 ? args1 : default).ContinueWith(task => task.Result as object);
+        }
+
+        public abstract Task<T> Execute(T arg);
+    }
+}

BTCPayServer.Abstractions/Services/UIExtension.cs

@@ -0,0 +1,16 @@
+using BTCPayServer.Abstractions.Contracts;
+
+namespace BTCPayServer.Abstractions.Services
+{
+    public class UIExtension: IUIExtension
+    {
+        public UIExtension(string partial, string location)
+        {
+            Partial = partial;
+            Location = location;
+        }
+
+        public string Partial { get; }
+        public string Location { get; }
+    }
+}

BTCPayServer.Client/BTCPayServer.Client.csproj

@@ -2,12 +2,36 @@
 
     <PropertyGroup>
         <TargetFramework>netstandard2.1</TargetFramework>
+        <Company>BTCPay Server</Company>
+        <Copyright>Copyright © BTCPay Server 2020</Copyright>
+        <Description>A client library for BTCPay Server Greenfield API</Description>
+        <PackageIcon>icon.png</PackageIcon>
+        <PackageTags>btcpay,btcpayserver</PackageTags>
+        <PackageProjectUrl>https://github.com/btcpayserver/btcpayserver/tree/master/BTCPayServer.Client</PackageProjectUrl>
+        <PackageLicenseExpression>MIT</PackageLicenseExpression>
+        <RepositoryUrl>https://github.com/btcpayserver/btcpayserver</RepositoryUrl>
+        <RepositoryType>git</RepositoryType>
     </PropertyGroup>
-
+  <PropertyGroup>
+    <Version Condition=" '$(Version)' == '' ">1.4.0</Version>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <EmbedUntrackedSources>true</EmbedUntrackedSources>
+    <DebugType>portable</DebugType>
+    <Optimize>true</Optimize>
+    <NoWarn>1591;1573;1572;1584;1570;3021</NoWarn>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+  </PropertyGroup>
+  <ItemGroup Condition=" '$(Configuration)' == 'Release' ">
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+  </ItemGroup>
     <ItemGroup>
-      <PackageReference Include="NBitcoin" Version="5.0.43" />
-      <PackageReference Include="BTCPayServer.Lightning.Common" Version="1.2.0" />
+      <PackageReference Include="NBitcoin" Version="6.0.12" />
+      <PackageReference Include="BTCPayServer.Lightning.Common" Version="1.2.6" />
       <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     </ItemGroup>
-
+  <ItemGroup>
+    <None Include="icon.png" Pack="true" PackagePath="\" />
+  </ItemGroup>
 </Project>

BTCPayServer.Client/BTCPayServerClient.Authorization.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Threading.Tasks;
 
 namespace BTCPayServer.Client
 {
@@ -7,7 +8,7 @@ namespace BTCPayServer.Client
     {
 
         public static Uri GenerateAuthorizeUri(Uri btcpayHost, string[] permissions, bool strict = true,
-            bool selectiveStores = false)
+            bool selectiveStores = false, (string ApplicationIdentifier, Uri Redirect) applicationDetails = default)
         {
             var result = new UriBuilder(btcpayHost);
             result.Path = "api-keys/authorize";
@@ -18,6 +19,15 @@ namespace BTCPayServer.Client
                     {"strict", strict}, {"selectiveStores", selectiveStores}, {"permissions", permissions}
                 });
 
+            if (applicationDetails.Redirect != null)
+            {
+                AppendPayloadToQuery(result, new KeyValuePair<string, object>("redirect", applicationDetails.Redirect));
+                if (!string.IsNullOrEmpty(applicationDetails.ApplicationIdentifier))
+                {
+                    AppendPayloadToQuery(result, new KeyValuePair<string, object>("applicationIdentifier", applicationDetails.ApplicationIdentifier));
+                }
+            }
+
             return result.Uri;
         }
     }

BTCPayServer.Client/BTCPayServerClient.Invoices.cs

@@ -0,0 +1,120 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using BTCPayServer.Client.Models;
+using NBitcoin;
+
+namespace BTCPayServer.Client
+{
+    public partial class BTCPayServerClient
+    {
+        public virtual async Task<IEnumerable<InvoiceData>> GetInvoices(string storeId, string[] orderId = null,
+            InvoiceStatus[] status = null,
+            DateTimeOffset? startDate = null,
+            DateTimeOffset? endDate = null,
+            string textSearch = null,
+            bool includeArchived = false,
+            CancellationToken token = default)
+        {
+            Dictionary<string, object> queryPayload = new Dictionary<string, object>();
+            queryPayload.Add(nameof(includeArchived), includeArchived);
+
+            if (startDate is DateTimeOffset s)
+                queryPayload.Add(nameof(startDate), Utils.DateTimeToUnixTime(s));
+
+            if (endDate is DateTimeOffset e)
+                queryPayload.Add(nameof(endDate), Utils.DateTimeToUnixTime(e));
+
+            if (orderId != null)
+                queryPayload.Add(nameof(orderId), orderId);
+            if (textSearch != null)
+                queryPayload.Add(nameof(textSearch), textSearch);
+            if (status != null)
+                queryPayload.Add(nameof(status), status.Select(s=> s.ToString().ToLower()).ToArray());
+            
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/invoices",
+                        queryPayload), token);
+            return await HandleResponse<IEnumerable<InvoiceData>>(response);
+        }
+
+        public virtual async Task<InvoiceData> GetInvoice(string storeId, string invoiceId,
+            CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/invoices/{invoiceId}"), token);
+            return await HandleResponse<InvoiceData>(response);
+        }
+        public virtual async Task<InvoicePaymentMethodDataModel[]> GetInvoicePaymentMethods(string storeId, string invoiceId,
+            CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/invoices/{invoiceId}/payment-methods"), token);
+            return await HandleResponse<InvoicePaymentMethodDataModel[]>(response);
+        }
+
+        public virtual async Task ArchiveInvoice(string storeId, string invoiceId,
+            CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/invoices/{invoiceId}",
+                    method: HttpMethod.Delete), token);
+            await HandleResponse(response);
+        }
+
+        public virtual async Task<InvoiceData> CreateInvoice(string storeId,
+            CreateInvoiceRequest request, CancellationToken token = default)
+        {
+            if (request == null)
+                throw new ArgumentNullException(nameof(request));
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/invoices", bodyPayload: request,
+                    method: HttpMethod.Post), token);
+            return await HandleResponse<InvoiceData>(response);
+        }
+
+        public virtual async Task<InvoiceData> UpdateInvoice(string storeId, string invoiceId,
+            UpdateInvoiceRequest request, CancellationToken token = default)
+        {
+            if (request == null)
+                throw new ArgumentNullException(nameof(request));
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/invoices/{invoiceId}", bodyPayload: request,
+                    method: HttpMethod.Put), token);
+            return await HandleResponse<InvoiceData>(response);
+        }
+
+        public virtual async Task<InvoiceData> MarkInvoiceStatus(string storeId, string invoiceId,
+            MarkInvoiceStatusRequest request, CancellationToken token = default)
+        {
+            if (request == null)
+                throw new ArgumentNullException(nameof(request));
+            if (request.Status != InvoiceStatus.Settled && request.Status != InvoiceStatus.Invalid)
+                throw new ArgumentOutOfRangeException(nameof(request.Status), "Status can only be Invalid or Complete");
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/invoices/{invoiceId}/status", bodyPayload: request,
+                    method: HttpMethod.Post), token);
+            return await HandleResponse<InvoiceData>(response);
+        }
+
+        public virtual async Task<InvoiceData> UnarchiveInvoice(string storeId, string invoiceId, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/invoices/{invoiceId}/unarchive", 
+                    method: HttpMethod.Post), token);
+            return await HandleResponse<InvoiceData>(response);
+        }
+
+        public virtual async Task ActivateInvoicePaymentMethod(string storeId, string invoiceId, string paymentMethod, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/invoices/{invoiceId}/payment-methods/{paymentMethod}/activate", 
+                    method: HttpMethod.Post), token);
+            await HandleResponse(response);
+        }
+    }
+}

BTCPayServer.Client/BTCPayServerClient.Lightning.Internal.cs

@@ -9,7 +9,7 @@ namespace BTCPayServer.Client
 {
     public partial class BTCPayServerClient
     {
-        public async Task<LightningNodeInformationData> GetLightningNodeInfo(string cryptoCode,
+        public virtual async Task<LightningNodeInformationData> GetLightningNodeInfo(string cryptoCode,
             CancellationToken token = default)
         {
             var response = await _httpClient.SendAsync(
@@ -18,7 +18,7 @@ namespace BTCPayServer.Client
             return await HandleResponse<LightningNodeInformationData>(response);
         }
 
-        public async Task ConnectToLightningNode(string cryptoCode, ConnectToNodeRequest request,
+        public virtual async Task ConnectToLightningNode(string cryptoCode, ConnectToNodeRequest request,
             CancellationToken token = default)
         {
             if (request == null)
@@ -29,7 +29,7 @@ namespace BTCPayServer.Client
             await HandleResponse(response);
         }
 
-        public async Task<IEnumerable<LightningChannelData>> GetLightningNodeChannels(string cryptoCode,
+        public virtual async Task<IEnumerable<LightningChannelData>> GetLightningNodeChannels(string cryptoCode,
             CancellationToken token = default)
         {
             var response = await _httpClient.SendAsync(
@@ -38,16 +38,16 @@ namespace BTCPayServer.Client
             return await HandleResponse<IEnumerable<LightningChannelData>>(response);
         }
 
-        public async Task<string> OpenLightningChannel(string cryptoCode, OpenLightningChannelRequest request,
+        public virtual async Task OpenLightningChannel(string cryptoCode, OpenLightningChannelRequest request,
             CancellationToken token = default)
         {
             var response = await _httpClient.SendAsync(
                 CreateHttpRequest($"api/v1/server/lightning/{cryptoCode}/channels", bodyPayload: request,
                     method: HttpMethod.Post), token);
-            return await HandleResponse<string>(response);
+            await HandleResponse(response);
         }
 
-        public async Task<string> GetLightningDepositAddress(string cryptoCode, CancellationToken token = default)
+        public virtual async Task<string> GetLightningDepositAddress(string cryptoCode, CancellationToken token = default)
         {
             var response = await _httpClient.SendAsync(
                 CreateHttpRequest($"api/v1/server/lightning/{cryptoCode}/address", method: HttpMethod.Post), token);
@@ -55,7 +55,7 @@ namespace BTCPayServer.Client
         }
 
 
-        public async Task PayLightningInvoice(string cryptoCode, PayLightningInvoiceRequest request,
+        public virtual async Task PayLightningInvoice(string cryptoCode, PayLightningInvoiceRequest request,
             CancellationToken token = default)
         {
             if (request == null)
@@ -66,7 +66,7 @@ namespace BTCPayServer.Client
             await HandleResponse(response);
         }
 
-        public async Task<LightningInvoiceData> GetLightningInvoice(string cryptoCode,
+        public virtual async Task<LightningInvoiceData> GetLightningInvoice(string cryptoCode,
             string invoiceId, CancellationToken token = default)
         {
             if (invoiceId == null)
@@ -77,7 +77,7 @@ namespace BTCPayServer.Client
             return await HandleResponse<LightningInvoiceData>(response);
         }
 
-        public async Task<LightningInvoiceData> CreateLightningInvoice(string cryptoCode, CreateLightningInvoiceRequest request,
+        public virtual async Task<LightningInvoiceData> CreateLightningInvoice(string cryptoCode, CreateLightningInvoiceRequest request,
             CancellationToken token = default)
         {
             if (request == null)

BTCPayServer.Client/BTCPayServerClient.Lightning.Store.cs

@@ -9,7 +9,7 @@ namespace BTCPayServer.Client
 {
     public partial class BTCPayServerClient
     {
-        public async Task<LightningNodeInformationData> GetLightningNodeInfo(string storeId, string cryptoCode,
+        public virtual async Task<LightningNodeInformationData> GetLightningNodeInfo(string storeId, string cryptoCode,
             CancellationToken token = default)
         {
             var response = await _httpClient.SendAsync(
@@ -18,7 +18,7 @@ namespace BTCPayServer.Client
             return await HandleResponse<LightningNodeInformationData>(response);
         }
 
-        public async Task ConnectToLightningNode(string storeId, string cryptoCode, ConnectToNodeRequest request,
+        public virtual async Task ConnectToLightningNode(string storeId, string cryptoCode, ConnectToNodeRequest request,
             CancellationToken token = default)
         {
             if (request == null)
@@ -29,7 +29,7 @@ namespace BTCPayServer.Client
             await HandleResponse(response);
         }
 
-        public async Task<IEnumerable<LightningChannelData>> GetLightningNodeChannels(string storeId, string cryptoCode,
+        public virtual async Task<IEnumerable<LightningChannelData>> GetLightningNodeChannels(string storeId, string cryptoCode,
             CancellationToken token = default)
         {
             var response = await _httpClient.SendAsync(
@@ -38,16 +38,16 @@ namespace BTCPayServer.Client
             return await HandleResponse<IEnumerable<LightningChannelData>>(response);
         }
 
-        public async Task<string> OpenLightningChannel(string storeId, string cryptoCode, OpenLightningChannelRequest request,
+        public virtual async Task OpenLightningChannel(string storeId, string cryptoCode, OpenLightningChannelRequest request,
             CancellationToken token = default)
         {
             var response = await _httpClient.SendAsync(
                 CreateHttpRequest($"api/v1/stores/{storeId}/lightning/{cryptoCode}/channels", bodyPayload: request,
                     method: HttpMethod.Post), token);
-            return await HandleResponse<string>(response);
+            await HandleResponse(response);
         }
 
-        public async Task<string> GetLightningDepositAddress(string storeId, string cryptoCode,
+        public virtual async Task<string> GetLightningDepositAddress(string storeId, string cryptoCode,
             CancellationToken token = default)
         {
             var response = await _httpClient.SendAsync(
@@ -56,7 +56,7 @@ namespace BTCPayServer.Client
             return await HandleResponse<string>(response);
         }
 
-        public async Task PayLightningInvoice(string storeId, string cryptoCode, PayLightningInvoiceRequest request,
+        public virtual async Task PayLightningInvoice(string storeId, string cryptoCode, PayLightningInvoiceRequest request,
             CancellationToken token = default)
         {
             if (request == null)
@@ -67,7 +67,7 @@ namespace BTCPayServer.Client
             await HandleResponse(response);
         }
 
-        public async Task<LightningInvoiceData> GetLightningInvoice(string storeId, string cryptoCode,
+        public virtual async Task<LightningInvoiceData> GetLightningInvoice(string storeId, string cryptoCode,
             string invoiceId, CancellationToken token = default)
         {
             if (invoiceId == null)
@@ -78,7 +78,7 @@ namespace BTCPayServer.Client
             return await HandleResponse<LightningInvoiceData>(response);
         }
 
-        public async Task<LightningInvoiceData> CreateLightningInvoice(string storeId, string cryptoCode,
+        public virtual async Task<LightningInvoiceData> CreateLightningInvoice(string storeId, string cryptoCode,
             CreateLightningInvoiceRequest request, CancellationToken token = default)
         {
             if (request == null)

BTCPayServer.Client/BTCPayServerClient.LightningNetworkPaymentMethods.cs

@@ -0,0 +1,64 @@
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using BTCPayServer.Client.Models;
+
+namespace BTCPayServer.Client
+{
+    public partial class BTCPayServerClient
+    {
+        public virtual async Task<IEnumerable<LightningNetworkPaymentMethodData>>
+            GetStoreLightningNetworkPaymentMethods(string storeId, bool? enabled = null,
+                CancellationToken token = default)
+        {
+            var query = new Dictionary<string, object>();
+            if (enabled != null)
+            {
+                query.Add(nameof(enabled), enabled);
+            }
+
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/LightningNetwork",
+                        query), token);
+            return await HandleResponse<IEnumerable<LightningNetworkPaymentMethodData>>(response);
+        }
+
+        public virtual async Task<LightningNetworkPaymentMethodData> GetStoreLightningNetworkPaymentMethod(
+            string storeId,
+            string cryptoCode, CancellationToken token = default)
+        {
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/LightningNetwork/{cryptoCode}"), token);
+            return await HandleResponse<LightningNetworkPaymentMethodData>(response);
+        }
+
+        public virtual async Task RemoveStoreLightningNetworkPaymentMethod(string storeId,
+            string cryptoCode, CancellationToken token = default)
+        {
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/LightningNetwork/{cryptoCode}",
+                        method: HttpMethod.Delete), token);
+            await HandleResponse(response);
+        }
+
+        public virtual async Task<LightningNetworkPaymentMethodData> UpdateStoreLightningNetworkPaymentMethod(
+            string storeId,
+            string cryptoCode, LightningNetworkPaymentMethodData paymentMethod,
+            CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/LightningNetwork/{cryptoCode}",
+                    bodyPayload: paymentMethod, method: HttpMethod.Put), token);
+            return await HandleResponse<LightningNetworkPaymentMethodData>(response);
+        }
+
+        public virtual Task<LightningNetworkPaymentMethodData>
+            UpdateStoreLightningNetworkPaymentMethodToInternalNode(string storeId,
+                string cryptoCode, CancellationToken token = default) => UpdateStoreLightningNetworkPaymentMethod(
+            storeId, cryptoCode, new LightningNetworkPaymentMethodData(cryptoCode, "Internal Node", true), token);
+    }
+}

BTCPayServer.Client/BTCPayServerClient.Misc.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using BTCPayServer.Client.Models;
+
+namespace BTCPayServer.Client
+{
+    public partial class BTCPayServerClient
+    {
+        public virtual async Task<PermissionMetadata[]> GetPermissionMetadata(CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest("misc/permissions"), token);
+            return await HandleResponse<PermissionMetadata[]>(response);
+        }
+        public virtual async Task<Language[]> GetAvailableLanguages(CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest("misc/lang"), token);
+            return await HandleResponse<Language[]>(response);
+        }
+    }
+}

BTCPayServer.Client/BTCPayServerClient.Notifications.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using BTCPayServer.Client.Models;
+
+namespace BTCPayServer.Client
+{
+    public partial class BTCPayServerClient
+    {
+        public virtual async Task<IEnumerable<NotificationData>> GetNotifications(bool? seen = null,
+            CancellationToken token = default)
+        {
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/users/me/notifications",
+                        seen != null ? new Dictionary<string, object>() {{nameof(seen), seen}} : null), token);
+            return await HandleResponse<IEnumerable<NotificationData>>(response);
+        }
+
+        public virtual async Task<NotificationData> GetNotification(string notificationId,
+            CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/users/me/notifications/{notificationId}"), token);
+            return await HandleResponse<NotificationData>(response);
+        }
+
+        public virtual async Task<NotificationData> UpdateNotification(string notificationId, bool? seen,
+            CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/users/me/notifications/{notificationId}",
+                    method: HttpMethod.Put, bodyPayload: new UpdateNotification() {Seen = seen}), token);
+            return await HandleResponse<NotificationData>(response);
+        }
+
+        public virtual async Task RemoveNotification(string notificationId, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/users/me/notifications/{notificationId}",
+                    method: HttpMethod.Delete), token);
+            await HandleResponse(response);
+        }
+    }
+}

BTCPayServer.Client/BTCPayServerClient.OnChainPaymentMethods.cs

@@ -0,0 +1,94 @@
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using BTCPayServer.Client.Models;
+
+namespace BTCPayServer.Client
+{
+    public partial class BTCPayServerClient
+    {
+        public virtual async Task<IEnumerable<OnChainPaymentMethodData>> GetStoreOnChainPaymentMethods(string storeId,
+            bool? enabled = null,
+            CancellationToken token = default)
+        {
+            var query = new Dictionary<string, object>();
+            if (enabled != null)
+            {
+                query.Add(nameof(enabled), enabled);
+            }
+
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain",
+                        query), token);
+            return await HandleResponse<IEnumerable<OnChainPaymentMethodData>>(response);
+        }
+
+        public virtual async Task<OnChainPaymentMethodData> GetStoreOnChainPaymentMethod(string storeId,
+            string cryptoCode, CancellationToken token = default)
+        {
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}"), token);
+            return await HandleResponse<OnChainPaymentMethodData>(response);
+        }
+
+        public virtual async Task RemoveStoreOnChainPaymentMethod(string storeId,
+            string cryptoCode, CancellationToken token = default)
+        {
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}",
+                        method: HttpMethod.Delete), token);
+            await HandleResponse(response);
+        }
+
+        public virtual async Task<OnChainPaymentMethodData> UpdateStoreOnChainPaymentMethod(string storeId,
+            string cryptoCode, OnChainPaymentMethodData paymentMethod,
+            CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}",
+                    bodyPayload: paymentMethod, method: HttpMethod.Put), token);
+            return await HandleResponse<OnChainPaymentMethodData>(response);
+        }
+
+        public virtual async Task<OnChainPaymentMethodPreviewResultData>
+            PreviewProposedStoreOnChainPaymentMethodAddresses(
+                string storeId, string cryptoCode, OnChainPaymentMethodData paymentMethod, int offset = 0,
+                int amount = 10,
+                CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/preview",
+                    bodyPayload: paymentMethod,
+                    queryPayload: new Dictionary<string, object>() {{"offset", offset}, {"amount", amount}},
+                    method: HttpMethod.Post), token);
+            return await HandleResponse<OnChainPaymentMethodPreviewResultData>(response);
+        }
+
+        public virtual async Task<OnChainPaymentMethodPreviewResultData> PreviewStoreOnChainPaymentMethodAddresses(
+            string storeId, string cryptoCode, int offset = 0, int amount = 10,
+            CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/preview",
+                    queryPayload: new Dictionary<string, object>() {{"offset", offset}, {"amount", amount}},
+                    method: HttpMethod.Get), token);
+            return await HandleResponse<OnChainPaymentMethodPreviewResultData>(response);
+        }
+        
+        public virtual async Task<OnChainPaymentMethodDataWithSensitiveData> GenerateOnChainWallet(string storeId,
+            string cryptoCode, GenerateOnChainWalletRequest request,
+            CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/generate",
+                    bodyPayload: request,
+                    method: HttpMethod.Post), token);
+            return await HandleResponse<OnChainPaymentMethodDataWithSensitiveData>(response);
+        }
+
+    }
+}

BTCPayServer.Client/BTCPayServerClient.OnChainWallet.cs

@@ -0,0 +1,122 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using BTCPayServer.Client.Models;
+using NBitcoin;
+
+namespace BTCPayServer.Client
+{
+    public partial class BTCPayServerClient
+    {
+        public virtual async Task<OnChainWalletOverviewData> ShowOnChainWalletOverview(string storeId, string cryptoCode,
+            CancellationToken token = default)
+        {
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/wallet"), token);
+            return await HandleResponse<OnChainWalletOverviewData>(response);
+        }
+        public virtual async Task<OnChainWalletFeeRateData> GetOnChainFeeRate(string storeId, string cryptoCode, int? blockTarget = null,
+            CancellationToken token = default)
+        {
+            Dictionary<string, object> queryParams = new Dictionary<string, object>();
+            if (blockTarget != null)
+            {
+                queryParams.Add("blockTarget",blockTarget);
+            }
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/wallet/feeRate", queryParams), token);
+            return await HandleResponse<OnChainWalletFeeRateData>(response);
+        }
+        
+        public virtual async Task<OnChainWalletAddressData> GetOnChainWalletReceiveAddress(string storeId, string cryptoCode, bool forceGenerate = false,
+            CancellationToken token = default)
+        {
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/wallet/address", new Dictionary<string, object>()
+                    {
+                        {"forceGenerate", forceGenerate}
+                    }), token);
+            return await HandleResponse<OnChainWalletAddressData>(response);
+        }
+        
+        public virtual async Task UnReserveOnChainWalletReceiveAddress(string storeId, string cryptoCode,
+            CancellationToken token = default)
+        {
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/wallet/address",method:HttpMethod.Delete), token);
+            await HandleResponse(response);
+        }
+       
+        public virtual async Task<IEnumerable<OnChainWalletTransactionData>> ShowOnChainWalletTransactions(
+            string storeId, string cryptoCode, TransactionStatus[] statusFilter = null,
+            CancellationToken token = default)
+        {
+            var query = new Dictionary<string, object>();
+            if (statusFilter?.Any() is true)
+            {
+                query.Add(nameof(statusFilter), statusFilter);
+            }
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/wallet/transactions", query), token);
+            return await HandleResponse<IEnumerable<OnChainWalletTransactionData>>(response);
+        }
+        
+        public virtual async Task<OnChainWalletTransactionData> GetOnChainWalletTransaction(
+            string storeId, string cryptoCode, string transactionId,
+            CancellationToken token = default)
+        {
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/wallet/transactions/{transactionId}"), token);
+            return await HandleResponse<OnChainWalletTransactionData>(response);
+        }
+        
+        public virtual async Task<IEnumerable<OnChainWalletUTXOData>> GetOnChainWalletUTXOs(string storeId,
+            string cryptoCode,
+            CancellationToken token = default)
+        {
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/wallet/utxos"), token);
+            return await HandleResponse<IEnumerable<OnChainWalletUTXOData>>(response);
+        }
+        
+        public virtual async Task<OnChainWalletTransactionData> CreateOnChainTransaction(string storeId,
+            string cryptoCode, CreateOnChainTransactionRequest request,
+            CancellationToken token = default)
+        {
+            if (!request.ProceedWithBroadcast)
+            {
+                throw new ArgumentOutOfRangeException(nameof(request.ProceedWithBroadcast),
+                    "Please use CreateOnChainTransactionButDoNotBroadcast when wanting to only create the transaction");
+            }
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/wallet/transactions", null, request, HttpMethod.Post), token);
+            return await HandleResponse<OnChainWalletTransactionData>(response);
+        }
+        
+        public virtual async Task<Transaction> CreateOnChainTransactionButDoNotBroadcast(string storeId,
+            string cryptoCode, CreateOnChainTransactionRequest request, Network network,
+            CancellationToken token = default)
+        {
+            if (request.ProceedWithBroadcast)
+            {
+                throw new ArgumentOutOfRangeException(nameof(request.ProceedWithBroadcast),
+                    "Please use CreateOnChainTransaction when wanting to also broadcast the transaction");
+            }
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods/Onchain/{cryptoCode}/wallet/transactions", null, request, HttpMethod.Post), token);
+            return Transaction.Parse(await HandleResponse<string>(response), network);
+        }
+    }
+}

BTCPayServer.Client/BTCPayServerClient.PaymentRequests.cs

@@ -10,10 +10,13 @@ namespace BTCPayServer.Client
     public partial class BTCPayServerClient
     {
         public virtual async Task<IEnumerable<PaymentRequestData>> GetPaymentRequests(string storeId,
+            bool includeArchived = false,
             CancellationToken token = default)
         {
             var response =
-                await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{storeId}/payment-requests"), token);
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-requests",
+                        new Dictionary<string, object>() {{nameof(includeArchived), includeArchived}}), token);
             return await HandleResponse<IEnumerable<PaymentRequestData>>(response);
         }
 

BTCPayServer.Client/BTCPayServerClient.PullPayments.cs

@@ -9,18 +9,18 @@ namespace BTCPayServer.Client
 {
     public partial class BTCPayServerClient
     {
-        public async Task<PullPaymentData> CreatePullPayment(string storeId, CreatePullPaymentRequest request, CancellationToken cancellationToken = default)
+        public virtual async Task<PullPaymentData> CreatePullPayment(string storeId, CreatePullPaymentRequest request, CancellationToken cancellationToken = default)
         {
             var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{HttpUtility.UrlEncode(storeId)}/pull-payments", bodyPayload: request, method: HttpMethod.Post), cancellationToken);
             return await HandleResponse<PullPaymentData>(response);
         }
-        public async Task<PullPaymentData> GetPullPayment(string pullPaymentId, CancellationToken cancellationToken = default)
+        public virtual async Task<PullPaymentData> GetPullPayment(string pullPaymentId, CancellationToken cancellationToken = default)
         {
             var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/pull-payments/{HttpUtility.UrlEncode(pullPaymentId)}", method: HttpMethod.Get), cancellationToken);
             return await HandleResponse<PullPaymentData>(response);
         }
 
-        public async Task<PullPaymentData[]> GetPullPayments(string storeId, bool includeArchived = false, CancellationToken cancellationToken = default)
+        public virtual async Task<PullPaymentData[]> GetPullPayments(string storeId, bool includeArchived = false, CancellationToken cancellationToken = default)
         {
             Dictionary<string, object> query = new Dictionary<string, object>();
             query.Add("includeArchived", includeArchived);
@@ -28,34 +28,44 @@ namespace BTCPayServer.Client
             return await HandleResponse<PullPaymentData[]>(response);
         }
 
-        public async Task ArchivePullPayment(string storeId, string pullPaymentId, CancellationToken cancellationToken = default)
+        public virtual async Task ArchivePullPayment(string storeId, string pullPaymentId, CancellationToken cancellationToken = default)
         {
             var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{HttpUtility.UrlEncode(storeId)}/pull-payments/{HttpUtility.UrlEncode(pullPaymentId)}", method: HttpMethod.Delete), cancellationToken);
             await HandleResponse(response);
         }
 
-        public async Task<PayoutData[]> GetPayouts(string pullPaymentId, bool includeCancelled = false, CancellationToken cancellationToken = default)
+        public virtual async Task<PayoutData[]> GetPayouts(string pullPaymentId, bool includeCancelled = false, CancellationToken cancellationToken = default)
         {
             Dictionary<string, object> query = new Dictionary<string, object>();
             query.Add("includeCancelled", includeCancelled);
             var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/pull-payments/{HttpUtility.UrlEncode(pullPaymentId)}/payouts", queryPayload: query, method: HttpMethod.Get), cancellationToken);
             return await HandleResponse<PayoutData[]>(response);
         }
-        public async Task<PayoutData> CreatePayout(string pullPaymentId, CreatePayoutRequest payoutRequest, CancellationToken cancellationToken = default)
+        public virtual async Task<PayoutData> CreatePayout(string pullPaymentId, CreatePayoutRequest payoutRequest, CancellationToken cancellationToken = default)
         {
             var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/pull-payments/{HttpUtility.UrlEncode(pullPaymentId)}/payouts", bodyPayload: payoutRequest, method: HttpMethod.Post), cancellationToken);
             return await HandleResponse<PayoutData>(response);
         }
 
-        public async Task CancelPayout(string storeId, string payoutId, CancellationToken cancellationToken = default)
+        public virtual async Task CancelPayout(string storeId, string payoutId, CancellationToken cancellationToken = default)
         {
             var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{HttpUtility.UrlEncode(storeId)}/payouts/{HttpUtility.UrlEncode(payoutId)}", method: HttpMethod.Delete), cancellationToken);
             await HandleResponse(response);
         }
-        public async Task<PayoutData> ApprovePayout(string storeId, string payoutId, ApprovePayoutRequest request, CancellationToken cancellationToken = default)
+        public virtual async Task<PayoutData> ApprovePayout(string storeId, string payoutId, ApprovePayoutRequest request, CancellationToken cancellationToken = default)
         {
             var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{HttpUtility.UrlEncode(storeId)}/payouts/{HttpUtility.UrlEncode(payoutId)}", bodyPayload: request, method: HttpMethod.Post), cancellationToken);
             return await HandleResponse<PayoutData>(response);
         }
+
+        public async Task MarkPayoutPaid(string storeId, string payoutId,
+            CancellationToken cancellationToken = default)
+        {
+            var response = await _httpClient.SendAsync(
+                CreateHttpRequest(
+                    $"api/v1/stores/{HttpUtility.UrlEncode(storeId)}/payouts/{HttpUtility.UrlEncode(payoutId)}/mark-paid",
+                    method: HttpMethod.Post), cancellationToken);
+            await HandleResponse(response);
+        }
     }
 }

BTCPayServer.Client/BTCPayServerClient.StorePaymentMethods.cs

@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using BTCPayServer.Client.Models;
+
+namespace BTCPayServer.Client
+{
+    public partial class BTCPayServerClient
+    {
+        public virtual async Task<Dictionary<string, GenericPaymentMethodData>> GetStorePaymentMethods(string storeId,
+            bool? enabled = null,
+            CancellationToken token = default)
+        {
+            var query = new Dictionary<string, object>();
+            if (enabled != null)
+            {
+                query.Add(nameof(enabled), enabled);
+            }
+
+            var response =
+                await _httpClient.SendAsync(
+                    CreateHttpRequest($"api/v1/stores/{storeId}/payment-methods",
+                        query), token);
+            return await HandleResponse<Dictionary<string, GenericPaymentMethodData>>(response);
+        }
+    }
+}

BTCPayServer.Client/BTCPayServerClient.Users.cs

@@ -1,3 +1,4 @@
+#nullable enable
 using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
@@ -19,5 +20,16 @@ namespace BTCPayServer.Client
             var response = await _httpClient.SendAsync(CreateHttpRequest("api/v1/users", null, request, HttpMethod.Post), token);
             return await HandleResponse<ApplicationUserData>(response);
         }
+
+        public virtual async Task DeleteUser(string userId, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/users/{userId}", null, HttpMethod.Delete), token);
+            await HandleResponse(response);
+        }
+
+        public virtual async Task DeleteCurrentUser(CancellationToken token = default)
+        {
+            await DeleteUser("me", token);
+        }
     }
 }

BTCPayServer.Client/BTCPayServerClient.Webhooks.cs

@@ -0,0 +1,61 @@
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using BTCPayServer.Client.Models;
+
+namespace BTCPayServer.Client
+{
+    public partial class BTCPayServerClient
+    {
+        public virtual async Task<StoreWebhookData> CreateWebhook(string storeId, Client.Models.CreateStoreWebhookRequest create, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{storeId}/webhooks", bodyPayload: create, method: HttpMethod.Post), token);
+            return await HandleResponse<StoreWebhookData>(response);
+        }
+        public virtual async Task<StoreWebhookData> GetWebhook(string storeId, string webhookId, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{storeId}/webhooks/{webhookId}"), token);
+            if (response.StatusCode == System.Net.HttpStatusCode.NotFound)
+                return null;
+            return await HandleResponse<StoreWebhookData>(response);
+        }
+        public virtual async Task<StoreWebhookData> UpdateWebhook(string storeId, string webhookId, Models.UpdateStoreWebhookRequest update, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{storeId}/webhooks/{webhookId}", bodyPayload: update, method: HttpMethod.Put), token);
+            return await HandleResponse<StoreWebhookData>(response);
+        }
+        public virtual async Task<bool> DeleteWebhook(string storeId, string webhookId, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{storeId}/webhooks/{webhookId}", method: HttpMethod.Delete), token);
+            return response.IsSuccessStatusCode;
+        }
+        public virtual async Task<StoreWebhookData[]> GetWebhooks(string storeId, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{storeId}/webhooks"), token);
+            return await HandleResponse<StoreWebhookData[]>(response);
+        }
+        public virtual async Task<WebhookDeliveryData[]> GetWebhookDeliveries(string storeId, string webhookId, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{storeId}/webhooks/{webhookId}/deliveries"), token);
+            return await HandleResponse<WebhookDeliveryData[]>(response);
+        }
+        public virtual async Task<WebhookDeliveryData> GetWebhookDelivery(string storeId, string webhookId, string deliveryId, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{storeId}/webhooks/{webhookId}/deliveries/{deliveryId}"), token);
+            return await HandleResponse<WebhookDeliveryData>(response);
+        }
+        public virtual async Task<string> RedeliverWebhook(string storeId, string webhookId, string deliveryId, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{storeId}/webhooks/{webhookId}/deliveries/{deliveryId}/redeliver", null, HttpMethod.Post), token);
+            return await HandleResponse<string>(response);
+        }
+
+        public virtual async Task<WebhookEvent> GetWebhookDeliveryRequest(string storeId, string webhookId, string deliveryId, CancellationToken token = default)
+        {
+            var response = await _httpClient.SendAsync(CreateHttpRequest($"api/v1/stores/{storeId}/webhooks/{webhookId}/deliveries/{deliveryId}/request"), token);
+            if (response.StatusCode == System.Net.HttpStatusCode.NotFound)
+                return null;
+            return await HandleResponse<WebhookEvent>(response);
+        }
+    }
+}

BTCPayServer.Client/BTCPayServerClient.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using System.Net.Http;
 using System.Net.Http.Headers;
 using System.Text;
+using System.Threading;
 using System.Threading.Tasks;
 using Newtonsoft.Json;
 
@@ -65,9 +66,17 @@ namespace BTCPayServer.Client
         protected async Task<T> HandleResponse<T>(HttpResponseMessage message)
         {
             await HandleResponse(message);
-            return JsonConvert.DeserializeObject<T>(await message.Content.ReadAsStringAsync());
+            var str = await message.Content.ReadAsStringAsync();
+            return JsonConvert.DeserializeObject<T>(str);
         }
 
+        public async Task<T> SendHttpRequest<T>(string path,
+            Dictionary<string, object> queryPayload = null,
+            HttpMethod method = null, CancellationToken cancellationToken = default)
+        {
+            using var resp = await _httpClient.SendAsync(CreateHttpRequest(path, queryPayload, method), cancellationToken);
+            return await HandleResponse<T>(resp);
+        }
         protected virtual HttpRequestMessage CreateHttpRequest(string path,
             Dictionary<string, object> queryPayload = null,
             HttpMethod method = null)
@@ -103,29 +112,37 @@ namespace BTCPayServer.Client
             return request;
         }
 
-        private static void AppendPayloadToQuery(UriBuilder uri, Dictionary<string, object> payload)
+        public static void AppendPayloadToQuery(UriBuilder uri, KeyValuePair<string, object> keyValuePair)
+        {
+            if (uri.Query.Length > 1)
+                uri.Query += "&";
+
+            UriBuilder uriBuilder = uri;
+            if (!(keyValuePair.Value is string) &&
+                keyValuePair.Value.GetType().GetInterfaces().Contains((typeof(IEnumerable))))
+            {
+                foreach (var item in (IEnumerable)keyValuePair.Value)
+                {
+                    uriBuilder.Query = uriBuilder.Query + Uri.EscapeDataString(keyValuePair.Key) + "=" +
+                                       Uri.EscapeDataString(item.ToString()) + "&";
+                }
+            }
+            else
+            {
+                uriBuilder.Query = uriBuilder.Query + Uri.EscapeDataString(keyValuePair.Key) + "=" +
+                                   Uri.EscapeDataString(keyValuePair.Value.ToString()) + "&";
+            }
+            uri.Query = uri.Query.Trim('&');
+        }
+
+        public static void AppendPayloadToQuery(UriBuilder uri, Dictionary<string, object> payload)
         {
             if (uri.Query.Length > 1)
                 uri.Query += "&";
             foreach (KeyValuePair<string, object> keyValuePair in payload)
             {
-                UriBuilder uriBuilder = uri;
-                if (!(keyValuePair.Value is string) && keyValuePair.Value.GetType().GetInterfaces().Contains((typeof(IEnumerable))))
-                {
-                    foreach (var item in (IEnumerable)keyValuePair.Value)
-                    {
-                        uriBuilder.Query = uriBuilder.Query + Uri.EscapeDataString(keyValuePair.Key) + "=" +
-                                           Uri.EscapeDataString(item.ToString()) + "&";
-                    }
-                }
-                else
-                {
-                    uriBuilder.Query = uriBuilder.Query + Uri.EscapeDataString(keyValuePair.Key) + "=" +
-                                       Uri.EscapeDataString(keyValuePair.Value.ToString()) + "&";
-                }
+                AppendPayloadToQuery(uri, keyValuePair);
             }
-
-            uri.Query = uri.Query.Trim('&');
         }
     }
 }

BTCPayServer.Client/JsonConverters/MnemonicJsonConverter.cs

@@ -0,0 +1,31 @@
+using System;
+using NBitcoin;
+using NBitcoin.JsonConverters;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.JsonConverters
+{
+    public class MnemonicJsonConverter : JsonConverter<Mnemonic>
+    {
+        public override Mnemonic ReadJson(JsonReader reader, Type objectType, Mnemonic existingValue, bool hasExistingValue,
+            JsonSerializer serializer)
+        {
+            return reader.TokenType switch
+            {
+                JsonToken.String => new Mnemonic((string)reader.Value),
+                JsonToken.Null => null,
+                _ => throw new JsonObjectException(reader.Path, "Mnemonic must be a json string")
+            };
+        }
+
+        public override void WriteJson(JsonWriter writer, Mnemonic value, JsonSerializer serializer)
+        {
+            if (value != null)
+                writer.WriteValue(value.ToString());
+            else
+            {
+                writer.WriteNull();
+            }
+        }
+    }
+}

BTCPayServer.Client/JsonConverters/TimeSpanJsonConverter.cs

@@ -4,13 +4,38 @@ using Newtonsoft.Json;
 
 namespace BTCPayServer.Client.JsonConverters
 {
-    public class TimeSpanJsonConverter : JsonConverter
+    public abstract class TimeSpanJsonConverter : JsonConverter
     {
+        public class Seconds : TimeSpanJsonConverter
+        {
+            protected override long ToLong(TimeSpan value)
+            {
+                return (long)value.TotalSeconds;
+            }
+
+            protected override TimeSpan ToTimespan(long value)
+            {
+                return TimeSpan.FromSeconds(value);
+            }
+        }
+        public class Minutes : TimeSpanJsonConverter
+        {
+            protected override long ToLong(TimeSpan value)
+            {
+                return (long)value.TotalMinutes;
+            }
+            protected override TimeSpan ToTimespan(long value)
+            {
+                return TimeSpan.FromMinutes(value);
+            }
+        }
         public override bool CanConvert(Type objectType)
         {
             return objectType == typeof(TimeSpan) || objectType == typeof(TimeSpan?);
         }
 
+        protected abstract TimeSpan ToTimespan(long value);
+        protected abstract long ToLong(TimeSpan value);
         public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
         {
             try
@@ -24,11 +49,11 @@ namespace BTCPayServer.Client.JsonConverters
                 }
                 if (reader.TokenType != JsonToken.Integer)
                     throw new JsonObjectException("Invalid timespan, expected integer", reader);
-                return TimeSpan.FromSeconds((long)reader.Value);
+                return ToTimespan((long)reader.Value);
             }
             catch
             {
-                throw new JsonObjectException("Invalid locktime", reader);
+                throw new JsonObjectException("Invalid timespan", reader);
             }
         }
 
@@ -36,7 +61,7 @@ namespace BTCPayServer.Client.JsonConverters
         {
             if (value is TimeSpan s)
             {
-                writer.WriteValue((long)s.TotalSeconds);
+                writer.WriteValue(ToLong(s));
             }
         }
     }

BTCPayServer.Client/JsonConverters/WordcountJsonConverter.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using NBitcoin;
+using Newtonsoft.Json;
+
+public class WordcountJsonConverter : JsonConverter
+{
+    static WordcountJsonConverter()
+    {
+        _Wordcount = new Dictionary<long, WordCount>()
+        {
+            {18, WordCount.Eighteen},
+            {15, WordCount.Fifteen},
+            {12, WordCount.Twelve},
+            {24, WordCount.TwentyFour},
+            {21, WordCount.TwentyOne}
+        };
+        _WordcountReverse = _Wordcount.ToDictionary(kv => kv.Value, kv => kv.Key);
+    }
+
+    public override bool CanConvert(Type objectType)
+    {
+        return typeof(NBitcoin.WordCount).GetTypeInfo().IsAssignableFrom(objectType.GetTypeInfo()) ||
+               typeof(NBitcoin.WordCount?).GetTypeInfo().IsAssignableFrom(objectType.GetTypeInfo());
+    }
+
+    public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+    {
+        if (reader.TokenType == JsonToken.Null)
+            return default;
+        if (reader.TokenType != JsonToken.Integer)
+            throw new NBitcoin.JsonConverters.JsonObjectException(
+                $"Unexpected json token type, expected Integer, actual {reader.TokenType}", reader);
+        if (!_Wordcount.TryGetValue((long)reader.Value, out var result))
+            throw new NBitcoin.JsonConverters.JsonObjectException(
+                $"Invalid WordCount, possible values {string.Join(", ", _Wordcount.Keys.ToArray())} (default: 12)",
+                reader);
+        return result;
+    }
+
+    public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+    {
+        if (value is WordCount wc)
+            writer.WriteValue(_WordcountReverse[wc]);
+    }
+
+    readonly static Dictionary<long, WordCount> _Wordcount = new Dictionary<long, WordCount>()
+    {
+        {18, WordCount.Eighteen},
+        {15, WordCount.Fifteen},
+        {12, WordCount.Twelve},
+        {24, WordCount.TwentyFour},
+        {21, WordCount.TwentyOne}
+    };
+
+    readonly static Dictionary<WordCount, long> _WordcountReverse;
+}

BTCPayServer.Client/JsonConverters/WordlistJsonConverter.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using NBitcoin;
+using Newtonsoft.Json;
+
+public class WordlistJsonConverter : JsonConverter
+{
+    static WordlistJsonConverter()
+    {
+
+        _Wordlists = new Dictionary<string, Wordlist>(StringComparer.OrdinalIgnoreCase)
+        {
+            {"English", Wordlist.English},
+            {"Japanese", Wordlist.Japanese},
+            {"Spanish", Wordlist.Spanish},
+            {"ChineseSimplified", Wordlist.ChineseSimplified},
+            {"ChineseTraditional", Wordlist.ChineseTraditional},
+            {"French", Wordlist.French},
+            {"PortugueseBrazil", Wordlist.PortugueseBrazil},
+            {"Czech", Wordlist.Czech}
+        };
+            
+        _WordlistsReverse = _Wordlists.ToDictionary(kv => kv.Value, kv => kv.Key);
+    }
+
+    public override bool CanConvert(Type objectType)
+    {
+        return typeof(Wordlist).GetTypeInfo().IsAssignableFrom(objectType.GetTypeInfo());
+    }
+
+    public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+    {
+        if (reader.TokenType == JsonToken.Null)
+            return null;
+        if (reader.TokenType != JsonToken.String)
+            throw new NBitcoin.JsonConverters.JsonObjectException(
+                $"Unexpected json token type, expected String, actual {reader.TokenType}", reader);
+        if (!_Wordlists.TryGetValue((string)reader.Value, out var result))
+            throw new NBitcoin.JsonConverters.JsonObjectException(
+                $"Invalid wordlist, possible values {string.Join(", ", _Wordlists.Keys.ToArray())} (default: English)",
+                reader);
+        return result;
+    }
+
+    public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+    {
+        if (value is Wordlist wl)
+            writer.WriteValue(_WordlistsReverse[wl]);
+    }
+
+    readonly static Dictionary<string, Wordlist> _Wordlists;
+    readonly static Dictionary<Wordlist, string> _WordlistsReverse;
+}

BTCPayServer.Client/Models/AddCustomerEmailRequest.cs

@@ -0,0 +1,7 @@
+namespace BTCPayServer.Client.Models
+{
+    public class AddCustomerEmailRequest
+    {
+        public string Email { get; set; }
+    }
+}

BTCPayServer.Client/Models/ApplicationUserData.cs

@@ -1,3 +1,6 @@
+using System;
+using Newtonsoft.Json;
+
 namespace BTCPayServer.Client.Models
 {
     public class ApplicationUserData
@@ -21,5 +24,16 @@ namespace BTCPayServer.Client.Models
         /// whether the user needed to verify their email on account creation
         /// </summary>
         public bool RequiresEmailConfirmation { get; set; }
+
+        /// <summary>
+        /// the roles of the user
+        /// </summary>
+        public string[] Roles { get; set; }
+
+        /// <summary>
+        /// the date the user was created. Null if created before v1.0.5.6.
+        /// </summary>
+        [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
+        public DateTimeOffset? Created { get; set; }
     }
 }

BTCPayServer.Client/Models/CreateInvoiceRequest.cs

@@ -0,0 +1,16 @@
+using System;
+using BTCPayServer.Client.JsonConverters;
+using BTCPayServer.JsonConverters;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+
+namespace BTCPayServer.Client.Models
+{
+    public class CreateInvoiceRequest : InvoiceDataBase
+    {
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal? Amount { get; set; }
+        public string[] AdditionalSearchTerms { get; set; }
+    }
+}

BTCPayServer.Client/Models/CreateLightningInvoiceRequest.cs

@@ -17,10 +17,10 @@ namespace BTCPayServer.Client.Models
             Description = description;
             Expiry = expiry;
         }
-        [JsonConverter(typeof(LightMoneyJsonConverter))]
+        [JsonConverter(typeof(BTCPayServer.Client.JsonConverters.LightMoneyJsonConverter))]
         public LightMoney Amount { get; set; }
         public string Description { get; set; }
-        [JsonConverter(typeof(JsonConverters.TimeSpanJsonConverter))]
+        [JsonConverter(typeof(JsonConverters.TimeSpanJsonConverter.Seconds))]
         public TimeSpan Expiry { get; set; }
         public bool PrivateRouteHints { get; set; }
 

BTCPayServer.Client/Models/CreateOnChainTransactionRequest.cs

@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+using BTCPayServer.JsonConverters;
+using NBitcoin;
+using NBitcoin.JsonConverters;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class CreateOnChainTransactionRequest
+    {
+
+        public class CreateOnChainTransactionRequestDestination
+        {
+            public string Destination { get; set; }
+            [JsonConverter(typeof(NumericStringJsonConverter))]
+            public decimal? Amount { get; set; }
+            public bool SubtractFromAmount { get; set; }
+        }
+        [JsonConverter(typeof(FeeRateJsonConverter))]
+        public FeeRate FeeRate { get; set; }
+        public bool ProceedWithPayjoin { get; set; }= true;
+        public bool ProceedWithBroadcast { get; set; } = true;
+        public bool NoChange { get; set; } = false;
+        [JsonProperty(ItemConverterType = typeof(OutpointJsonConverter))]
+        public List<OutPoint> SelectedInputs { get; set; } = null;
+        public List<CreateOnChainTransactionRequestDestination> Destinations { get; set; }
+        [JsonProperty("rbf")]
+        public bool? RBF { get; set; } = null;
+    }
+}

BTCPayServer.Client/Models/CreatePullPaymentRequest.cs

@@ -11,7 +11,7 @@ namespace BTCPayServer.Client.Models
         [JsonProperty(ItemConverterType = typeof(NumericStringJsonConverter))]
         public decimal Amount { get; set; }
         public string Currency { get; set; }
-        [JsonConverter(typeof(TimeSpanJsonConverter))]
+        [JsonConverter(typeof(TimeSpanJsonConverter.Seconds))]
         public TimeSpan? Period { get; set; }
         [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
         public DateTimeOffset? ExpiresAt { get; set; }

BTCPayServer.Client/Models/GenerateOnChainWalletRequest.cs

@@ -0,0 +1,25 @@
+using BTCPayServer.Client.JsonConverters;
+using NBitcoin;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+namespace BTCPayServer.Client
+{
+    public class GenerateOnChainWalletRequest
+    {
+        public int AccountNumber { get; set; } = 0;
+        [JsonConverter(typeof(MnemonicJsonConverter))]	
+        public Mnemonic ExistingMnemonic { get; set; }
+        [JsonConverter(typeof(WordlistJsonConverter))]
+        public NBitcoin.Wordlist WordList { get; set; }
+
+        [JsonConverter(typeof(WordcountJsonConverter))]
+        public NBitcoin.WordCount? WordCount { get; set; } = NBitcoin.WordCount.Twelve;
+
+        [JsonConverter(typeof(StringEnumConverter))]
+        public NBitcoin.ScriptPubKeyType ScriptPubKeyType { get; set; } = ScriptPubKeyType.Segwit;
+        public string Passphrase { get; set; }
+        public bool ImportKeysToRPC { get; set; }
+        public bool SavePrivateKeys { get; set; }
+    }
+}

BTCPayServer.Client/Models/GenericPaymentMethodData.cs

@@ -0,0 +1,8 @@
+namespace BTCPayServer.Client.Models
+{
+    public class GenericPaymentMethodData
+    {
+        public bool Enabled { get; set; }
+        public object Data { get; set; }
+    }
+}

BTCPayServer.Client/Models/GreenfieldAPIError.cs

@@ -10,8 +10,7 @@ namespace BTCPayServer.Client.Models
         }
         public GreenfieldAPIError(string code, string message)
         {
-            if (code == null)
-                throw new ArgumentNullException(nameof(code));
+            code = code ?? "generic-error";
             if (message == null)
                 throw new ArgumentNullException(nameof(message));
             Code = code;

BTCPayServer.Client/Models/InvoiceData.cs

@@ -0,0 +1,71 @@
+using System;
+using BTCPayServer.Client.JsonConverters;
+using BTCPayServer.JsonConverters;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+
+namespace BTCPayServer.Client.Models
+{
+    public enum InvoiceType
+    {
+        Standard,
+        TopUp
+    }
+    public class InvoiceDataBase
+    {
+        [JsonConverter(typeof(StringEnumConverter))]
+        public InvoiceType Type { get; set; }
+        public string Currency { get; set; }
+        public JObject Metadata { get; set; }
+        public CheckoutOptions Checkout { get; set; } = new CheckoutOptions();
+        public class CheckoutOptions
+        {
+
+            [JsonConverter(typeof(StringEnumConverter))]
+            public SpeedPolicy? SpeedPolicy { get; set; }
+
+            public string[] PaymentMethods { get; set; }
+
+            [JsonConverter(typeof(TimeSpanJsonConverter.Minutes))]
+            [JsonProperty("expirationMinutes")]
+            public TimeSpan? Expiration { get; set; }
+            [JsonConverter(typeof(TimeSpanJsonConverter.Minutes))]
+            [JsonProperty("monitoringMinutes")]
+            public TimeSpan? Monitoring { get; set; }
+
+            public double? PaymentTolerance { get; set; }
+            [JsonProperty("redirectURL")]
+            public string RedirectURL { get; set; }
+
+            public bool? RedirectAutomatically { get; set; }
+            public string DefaultLanguage { get; set; }
+        }
+    }
+    public class InvoiceData : InvoiceDataBase
+    {
+        public string Id { get; set; }
+        public string StoreId { get; set; }
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal Amount { get; set; }
+        public string CheckoutLink { get; set; }
+        [JsonConverter(typeof(StringEnumConverter))]
+        public InvoiceStatus Status { get; set; }
+        [JsonConverter(typeof(StringEnumConverter))]
+        public InvoiceExceptionStatus AdditionalStatus { get; set; }
+        [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
+        public DateTimeOffset MonitoringExpiration { get; set; }
+        [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
+        public DateTimeOffset ExpirationTime { get; set; }
+        [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
+        public DateTimeOffset CreatedTime { get; set; }
+    }
+    public enum InvoiceStatus
+    {
+        New,
+        Processing,
+        Expired,
+        Invalid,
+        Settled
+    }
+}

BTCPayServer.Client/Models/InvoiceExceptionStatus.cs

@@ -0,0 +1,12 @@
+namespace BTCPayServer.Client.Models
+{
+    public enum InvoiceExceptionStatus
+    {
+        None,
+        PaidLate,
+        PaidPartial,
+        Marked,
+        Invalid,
+        PaidOver
+    }
+}

BTCPayServer.Client/Models/InvoicePaymentMethodDataModel.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using BTCPayServer.JsonConverters;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+namespace BTCPayServer.Client.Models
+{
+    public class InvoicePaymentMethodDataModel
+    {
+        public bool Activated { get; set; }
+        public string Destination { get; set; }
+        public string PaymentLink { get; set; }
+
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal Rate { get; set; }
+
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal PaymentMethodPaid { get; set; }
+
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal TotalPaid { get; set; }
+
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal Due { get; set; }
+
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal Amount { get; set; }
+
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal NetworkFee { get; set; }
+
+        public List<Payment> Payments { get; set; }
+        public string PaymentMethod { get; set; }
+
+        public class Payment
+        {
+            public string Id { get; set; }
+
+            [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
+            public DateTime ReceivedDate { get; set; }
+
+            [JsonConverter(typeof(NumericStringJsonConverter))]
+            public decimal Value { get; set; }
+
+            [JsonConverter(typeof(NumericStringJsonConverter))]
+            public decimal Fee { get; set; }
+
+            [JsonConverter(typeof(StringEnumConverter))]
+            public PaymentStatus Status { get; set; }
+
+            public string Destination { get; set; }
+            
+            public enum PaymentStatus
+            {
+                Invalid,
+                Processing,
+                Settled
+            }
+        }
+    }
+}

BTCPayServer.Client/Models/LabelData.cs

@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace BTCPayServer.Client.Models
+{
+    public class LabelData
+    {
+        public string Type { get; set; }
+        public string Text { get; set; }
+
+        [JsonExtensionData] public Dictionary<string, JToken> AdditionalData { get; set; }
+    }
+}

BTCPayServer.Client/Models/Language.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class Language
+    {
+        public Language(string code, string displayName)
+        {
+            DisplayName = displayName;
+            Code = code;
+        }
+
+        [JsonProperty("code")]
+        public string Code { get; set; }
+        [JsonProperty("currentLanguage")]
+        public string DisplayName { get; set; }
+    }
+}

BTCPayServer.Client/Models/LightningNetworkPaymentMethodBaseData.cs

@@ -0,0 +1,12 @@
+namespace BTCPayServer.Client.Models
+{
+    public class LightningNetworkPaymentMethodBaseData
+    {
+
+        public string ConnectionString { get; set; }
+        public LightningNetworkPaymentMethodBaseData()
+        {
+            
+        }
+    }
+}

BTCPayServer.Client/Models/LightningNetworkPaymentMethodData.cs

@@ -0,0 +1,26 @@
+namespace BTCPayServer.Client.Models
+{
+    public class LightningNetworkPaymentMethodData: LightningNetworkPaymentMethodBaseData
+    {
+        /// <summary>
+        /// Whether the payment method is enabled
+        /// </summary>
+        public bool Enabled { get; set; }
+
+        /// <summary>
+        /// Crypto code of the payment method
+        /// </summary>
+        public string CryptoCode { get; set; }
+
+        public LightningNetworkPaymentMethodData()
+        {
+        }
+
+        public LightningNetworkPaymentMethodData(string cryptoCode, string connectionString, bool enabled)
+        {
+            Enabled = enabled;
+            CryptoCode = cryptoCode;
+            ConnectionString = connectionString;
+        }
+    }
+}

BTCPayServer.Client/Models/MarkInvoiceStatusRequest.cs

@@ -0,0 +1,11 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+namespace BTCPayServer.Client.Models
+{
+    public class MarkInvoiceStatusRequest
+    {
+        [JsonConverter(typeof(StringEnumConverter))]
+        public InvoiceStatus Status { get; set; }
+    }
+}

BTCPayServer.Client/Models/NotificationData.cs

@@ -0,0 +1,16 @@
+using System;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class NotificationData
+    {
+        public string Id { get; set; }
+        public string Body { get; set; }
+        public bool Seen { get; set; }
+        public Uri Link { get; set; }
+
+        [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
+        public DateTimeOffset CreatedTime { get; set; }
+    }
+}

BTCPayServer.Client/Models/OnChainPaymentMethodBaseData.cs

@@ -0,0 +1,24 @@
+using NBitcoin;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class OnChainPaymentMethodBaseData
+    {
+        /// <summary>
+        /// The derivation scheme
+        /// </summary>
+        public string DerivationScheme { get; set; }
+
+        public string Label { get; set; }
+
+        [JsonConverter(typeof(NBitcoin.JsonConverters.KeyPathJsonConverter))]
+        public RootedKeyPath AccountKeyPath { get; set; }
+
+        public OnChainPaymentMethodBaseData()
+        {
+        }
+
+        
+    }
+}

BTCPayServer.Client/Models/OnChainPaymentMethodData.cs

@@ -0,0 +1,31 @@
+using NBitcoin;
+
+namespace BTCPayServer.Client.Models
+{
+    public class OnChainPaymentMethodData : OnChainPaymentMethodBaseData
+    {
+        /// <summary>
+        /// Whether the payment method is enabled
+        /// </summary>
+        public bool Enabled { get; set; }
+
+        /// <summary>
+        /// Crypto code of the payment method
+        /// </summary>
+        public string CryptoCode { get; set; }
+
+        public OnChainPaymentMethodData()
+        {
+            
+        }
+
+        public OnChainPaymentMethodData(string cryptoCode, string derivationScheme, bool enabled, string label, RootedKeyPath accountKeyPath)
+        {
+            Enabled = enabled;
+            Label = label;
+            AccountKeyPath = accountKeyPath;
+            CryptoCode = cryptoCode;
+            DerivationScheme = derivationScheme;
+        }
+    }
+}

BTCPayServer.Client/Models/OnChainPaymentMethodDataWithSensitiveData.cs

@@ -0,0 +1,23 @@
+using BTCPayServer.Client.JsonConverters;
+using NBitcoin;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class OnChainPaymentMethodDataWithSensitiveData : OnChainPaymentMethodData
+    {
+        public OnChainPaymentMethodDataWithSensitiveData()
+        {
+        }
+
+        public OnChainPaymentMethodDataWithSensitiveData(string cryptoCode, string derivationScheme, bool enabled,
+            string label, RootedKeyPath accountKeyPath, Mnemonic mnemonic) : base(cryptoCode, derivationScheme, enabled,
+            label, accountKeyPath)
+        {
+            Mnemonic = mnemonic;
+        }
+
+        [JsonConverter(typeof(MnemonicJsonConverter))]
+        public Mnemonic Mnemonic { get; set; }
+    }
+}

BTCPayServer.Client/Models/OnChainPaymentMethodPreviewResultData.cs

@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+
+namespace BTCPayServer.Client.Models
+{
+    public class OnChainPaymentMethodPreviewResultData
+    {
+        /// <summary>
+        /// a list of addresses generated by the derivation scheme
+        /// </summary>
+        public IList<OnChainPaymentMethodPreviewResultAddressItem> Addresses { get; set; } =
+            new List<OnChainPaymentMethodPreviewResultAddressItem>();
+
+        public class OnChainPaymentMethodPreviewResultAddressItem
+        {
+            /// <summary>
+            /// The key path relative to the account key path. 
+            /// </summary>
+            public string KeyPath { get; set; }
+            //The address generated at the key path
+            public string Address { get; set; }
+        }
+    }
+}

BTCPayServer.Client/Models/OnChainWalletAddressData.cs

@@ -0,0 +1,15 @@
+using NBitcoin;
+using NBitcoin.JsonConverters;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class OnChainWalletAddressData
+    {
+        public string Address { get; set; }
+        [JsonConverter(typeof(KeyPathJsonConverter))]
+        public KeyPath KeyPath { get; set; }
+
+        public string PaymentLink { get; set; }
+    }
+}

BTCPayServer.Client/Models/OnChainWalletFeeRateData.cs

@@ -0,0 +1,12 @@
+using NBitcoin;
+using NBitcoin.JsonConverters;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class OnChainWalletFeeRateData
+    {
+        [JsonConverter(typeof(FeeRateJsonConverter))]
+        public FeeRate FeeRate { get; set; }
+    }
+}

BTCPayServer.Client/Models/OnChainWalletOverviewData.cs

@@ -0,0 +1,17 @@
+using BTCPayServer.JsonConverters;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class OnChainWalletOverviewData
+    {
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal Balance { get; set; }
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal UnconfirmedBalance { get; set; }
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal ConfirmedBalance { get; set; }
+
+        public string Label { get; set; }
+    }
+}

BTCPayServer.Client/Models/OnChainWalletTransactionData.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using BTCPayServer.JsonConverters;
+using NBitcoin;
+using NBitcoin.JsonConverters;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class OnChainWalletTransactionData
+    {
+        [JsonConverter(typeof(UInt256JsonConverter))]
+        public uint256 TransactionHash { get; set; }
+
+        public string Comment { get; set; }
+        public Dictionary<string, LabelData> Labels { get; set; } = new Dictionary<string, LabelData>();
+
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal Amount { get; set; }
+
+        [JsonConverter(typeof(UInt256JsonConverter))]
+        public uint256 BlockHash { get; set; }
+
+        public int? BlockHeight { get; set; }
+
+        public int Confirmations { get; set; }
+
+        [JsonConverter(typeof(DateTimeToUnixTimeConverter))]
+        public DateTimeOffset Timestamp { get; set; }
+
+        [JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+        public TransactionStatus Status { get; set; }
+    }
+}

BTCPayServer.Client/Models/OnChainWalletUTXOData.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using BTCPayServer.JsonConverters;
+using NBitcoin;
+using NBitcoin.JsonConverters;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class OnChainWalletUTXOData
+    {
+        public string Comment { get; set; }
+        [JsonConverter(typeof(NumericStringJsonConverter))]
+        public decimal Amount { get; set; }
+        [JsonConverter(typeof(OutpointJsonConverter))]
+        public OutPoint Outpoint { get; set; }
+        public string Link { get; set; }
+        public Dictionary<string, LabelData> Labels { get; set; }
+        [JsonConverter(typeof(DateTimeToUnixTimeConverter))]
+        public DateTimeOffset Timestamp { get; set; }
+        [JsonConverter(typeof(KeyPathJsonConverter))]
+        public KeyPath KeyPath { get; set; }
+        public string Address { get; set; }
+        public int Confirmations { get; set; }
+    }
+}

BTCPayServer.Client/Models/PermissionMetadata.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class PermissionMetadata
+    {
+        static PermissionMetadata()
+        {
+            Dictionary<string, PermissionMetadata> nodes = new Dictionary<string, PermissionMetadata>();
+            foreach (var policy in Client.Policies.AllPolicies)
+            {
+                nodes.Add(policy, new PermissionMetadata() { PermissionName = policy });
+            }
+            foreach (var n in nodes)
+            {
+                foreach (var policy in Client.Policies.AllPolicies)
+                {
+                    if (policy.Equals(n.Key, StringComparison.OrdinalIgnoreCase))
+                        continue;
+                    if (Client.Permission.Create(n.Key).Contains(Client.Permission.Create(policy)))
+                        n.Value.SubPermissions.Add(policy);
+                }
+            }
+            foreach (var n in nodes)
+            {
+                n.Value.SubPermissions.Sort();
+            }
+            PermissionNodes = nodes.Values.OrderBy(v => v.PermissionName).ToArray();
+        }
+        public readonly static PermissionMetadata[] PermissionNodes;
+        [JsonProperty("name")]
+        public string PermissionName { get; set; }
+        [JsonProperty("included")]
+        public List<string> SubPermissions { get; set; } = new List<string>();
+    }
+}

BTCPayServer.Client/Models/PullPaymentBaseData.cs

@@ -16,7 +16,7 @@ namespace BTCPayServer.Client.Models
         public string Currency { get; set; }
         [JsonConverter(typeof(NumericStringJsonConverter))]
         public decimal Amount { get; set; }
-        [JsonConverter(typeof(TimeSpanJsonConverter))]
+        [JsonConverter(typeof(TimeSpanJsonConverter.Seconds))]
         public TimeSpan? Period { get; set; }
         public bool Archived { get; set; }
         public string ViewLink { get; set; }

BTCPayServer.Client/Models/ServerInfoData.cs

@@ -27,12 +27,17 @@ namespace BTCPayServer.Client.Models
         /// <summary>
         /// detailed sync information per chain
         /// </summary>
-        public IEnumerable<ServerInfoSyncStatusData> SyncStatus { get; set; }
+        public IEnumerable<SyncStatus> SyncStatus { get; set; }
     }
-
-    public class ServerInfoSyncStatusData
+    
+    public class SyncStatus
     {
         public string CryptoCode { get; set; }
+        public virtual bool Available { get; set; }
+    }
+
+    public class ServerInfoSyncStatusData: SyncStatus
+    {
         public int ChainHeight { get; set; }
         public int? SyncHeight { get; set; }
         public ServerInfoNodeData NodeInformation { get; set; }

BTCPayServer.Client/Models/StoreBaseData.cs

@@ -16,11 +16,11 @@ namespace BTCPayServer.Client.Models
 
         public string Website { get; set; }
 
-        [JsonConverter(typeof(TimeSpanJsonConverter))]
+        [JsonConverter(typeof(TimeSpanJsonConverter.Seconds))]
         [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
         public TimeSpan InvoiceExpiration { get; set; } = TimeSpan.FromMinutes(15);
 
-        [JsonConverter(typeof(TimeSpanJsonConverter))]
+        [JsonConverter(typeof(TimeSpanJsonConverter.Seconds))]
         [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
         public TimeSpan MonitoringExpiration { get; set; } = TimeSpan.FromMinutes(60);
 
@@ -30,14 +30,23 @@ namespace BTCPayServer.Client.Models
         public double PaymentTolerance { get; set; } = 0;
         public bool AnyoneCanCreateInvoice { get; set; }
 
+
+        public bool RequiresRefundEmail { get; set; }
+        public bool LightningAmountInSatoshi { get; set; }
+        public bool LightningPrivateRouteHints { get; set; }
+        public bool OnChainWithLnInvoiceFallback { get; set; }
+        public bool LazyPaymentMethods { get; set; }
+        public bool RedirectAutomatically { get; set; }
+
         [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
         public bool ShowRecommendedFee { get; set; } = true;
         [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
         public int RecommendedFeeBlockTarget { get; set; } = 1;
-
+        
+        public string DefaultPaymentMethod { get; set; }
+        
         [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
         public string DefaultLang { get; set; } = "en";
-        public bool LightningAmountInSatoshi { get; set; }
 
         public string CustomLogo { get; set; }
 
@@ -45,16 +54,11 @@ namespace BTCPayServer.Client.Models
 
         public string HtmlTitle { get; set; }
 
-        public bool RedirectAutomatically { get; set; }
-
-        public bool RequiresRefundEmail { get; set; }
-
         [JsonConverter(typeof(StringEnumConverter))]
         [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
         public NetworkFeeMode NetworkFeeMode { get; set; } = NetworkFeeMode.Never;
 
         public bool PayJoinEnabled { get; set; }
-        public bool LightningPrivateRouteHints { get; set; }
 
 
         [JsonExtensionData]

BTCPayServer.Client/Models/StoreWebhookData.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class StoreWebhookBaseData
+    {
+        public class AuthorizedEventsData
+        {
+            public bool Everything { get; set; } = true;
+
+            [JsonProperty(ItemConverterType = typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+            public WebhookEventType[] SpecificEvents { get; set; } = Array.Empty<WebhookEventType>();
+        }
+
+        public bool Enabled { get; set; } = true;
+        [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)]
+        public string Secret { get; set; }
+        public bool AutomaticRedelivery { get; set; } = true;
+        public string Url { get; set; }
+        public AuthorizedEventsData AuthorizedEvents { get; set; } = new AuthorizedEventsData();
+    }
+    public class UpdateStoreWebhookRequest : StoreWebhookBaseData
+    {
+    }
+    public class CreateStoreWebhookRequest : StoreWebhookBaseData
+    {
+    }
+    public class StoreWebhookData : StoreWebhookBaseData
+    {
+        public string Id { get; set; }
+    }
+}

BTCPayServer.Client/Models/TransactionStatus.cs

@@ -0,0 +1,9 @@
+namespace BTCPayServer.Client.Models
+{
+    public enum TransactionStatus
+    {
+        Unconfirmed,
+        Confirmed,
+        Replaced
+    }
+}

BTCPayServer.Client/Models/UpdateInvoiceRequest.cs

@@ -0,0 +1,9 @@
+using Newtonsoft.Json.Linq;
+
+namespace BTCPayServer.Client.Models
+{
+    public class UpdateInvoiceRequest
+    {
+        public JObject Metadata { get; set; }
+    }
+}

BTCPayServer.Client/Models/UpdateNotification.cs

@@ -0,0 +1,7 @@
+namespace BTCPayServer.Client.Models
+{
+    public class UpdateNotification
+    {
+        public bool? Seen { get; set; }
+    }
+}

BTCPayServer.Client/Models/WebhookDeliveryData.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.Models
+{
+    public class WebhookDeliveryData
+    {
+        public string Id { get; set; }
+        [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
+        public DateTimeOffset Timestamp { get; set; }
+        public int? HttpCode { get; set; }
+        public string ErrorMessage { get; set; }
+        [JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+        public WebhookDeliveryStatus Status { get; set; }
+    }
+}

BTCPayServer.Client/Models/WebhookDeliveryStatus.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BTCPayServer.Client.Models
+{
+    public enum WebhookDeliveryStatus
+    {
+        Failed,
+        HttpError,
+        HttpSuccess
+    }
+}

BTCPayServer.Client/Models/WebhookEvent.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+
+namespace BTCPayServer.Client.Models
+{
+    public class WebhookEvent
+    {
+        public readonly static JsonSerializerSettings DefaultSerializerSettings;
+        static WebhookEvent()
+        {
+            DefaultSerializerSettings = new JsonSerializerSettings();
+            DefaultSerializerSettings.ContractResolver = new Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver();
+            NBitcoin.JsonConverters.Serializer.RegisterFrontConverters(DefaultSerializerSettings);
+            DefaultSerializerSettings.Formatting = Formatting.None;
+        }
+        public string DeliveryId { get; set; }
+        public string WebhookId { get; set; }
+        string _OriginalDeliveryId;
+        public string OriginalDeliveryId
+        {
+            get
+            {
+                if (_OriginalDeliveryId is null)
+                {
+                    // Due to a typo in old version, we serialized `orignalDeliveryId` rather than `orignalDeliveryId`
+                    // We silently fix that here.
+                    // Note we can remove this code later on, as old webhook event are unlikely to be useful to anyone,
+                    // and having a null orignalDeliveryId is not end of the world
+                    if (AdditionalData != null &&
+                        AdditionalData.TryGetValue("orignalDeliveryId", out var tok))
+                    {
+                        _OriginalDeliveryId = tok.Value<string>();
+                        AdditionalData.Remove("orignalDeliveryId");
+                    }
+                }
+                return _OriginalDeliveryId;
+            }
+            set
+            {
+                _OriginalDeliveryId = value;
+            }
+        }
+        public bool IsRedelivery { get; set; }
+        [JsonConverter(typeof(StringEnumConverter))]
+        public WebhookEventType Type { get; set; }
+        [JsonConverter(typeof(NBitcoin.JsonConverters.DateTimeToUnixTimeConverter))]
+        public DateTimeOffset Timestamp { get; set; }
+        [JsonExtensionData]
+        public IDictionary<string, JToken> AdditionalData { get; set; }
+        public T ReadAs<T>()
+        {
+            var str = JsonConvert.SerializeObject(this, DefaultSerializerSettings);
+            return JsonConvert.DeserializeObject<T>(str, DefaultSerializerSettings);
+        }
+    }
+}

BTCPayServer.Client/Models/WebhookEventType.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BTCPayServer.Client.Models
+{
+    public enum WebhookEventType
+    {
+        InvoiceCreated,
+        InvoiceReceivedPayment,
+        InvoiceProcessing,
+        InvoiceExpired,
+        InvoiceSettled,
+        InvoiceInvalid
+    }
+}

BTCPayServer.Client/Models/WebhookInvoiceEvent.cs

@@ -0,0 +1,85 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+namespace BTCPayServer.Client.Models
+{
+    public class WebhookInvoiceEvent : WebhookEvent
+    {
+        public WebhookInvoiceEvent()
+        {
+
+        }
+        public WebhookInvoiceEvent(WebhookEventType evtType)
+        {
+            this.Type = evtType;
+        }
+        [JsonProperty(Order = 1)]
+        public string StoreId { get; set; }
+        [JsonProperty(Order = 2)]
+        public string InvoiceId { get; set; }
+    }
+
+    public class WebhookInvoiceSettledEvent : WebhookInvoiceEvent
+    {
+        public WebhookInvoiceSettledEvent()
+        {
+
+        }
+        public WebhookInvoiceSettledEvent(WebhookEventType evtType) : base(evtType)
+        {
+        }
+
+        public bool ManuallyMarked { get; set; }
+    }
+    public class WebhookInvoiceInvalidEvent : WebhookInvoiceEvent
+    {
+        public WebhookInvoiceInvalidEvent()
+        {
+
+        }
+        public WebhookInvoiceInvalidEvent(WebhookEventType evtType) : base(evtType)
+        {
+        }
+
+        public bool ManuallyMarked { get; set; }
+    }
+    public class WebhookInvoiceProcessingEvent : WebhookInvoiceEvent
+    {
+        public WebhookInvoiceProcessingEvent()
+        {
+
+        }
+        public WebhookInvoiceProcessingEvent(WebhookEventType evtType) : base(evtType)
+        {
+        }
+
+        public bool OverPaid { get; set; }
+    }
+    public class WebhookInvoiceReceivedPaymentEvent : WebhookInvoiceEvent
+    {
+        public WebhookInvoiceReceivedPaymentEvent()
+        {
+
+        }
+        public WebhookInvoiceReceivedPaymentEvent(WebhookEventType evtType) : base(evtType)
+        {
+        }
+
+        public bool AfterExpiration { get; set; }
+    }
+    public class WebhookInvoiceExpiredEvent : WebhookInvoiceEvent
+    {
+        public WebhookInvoiceExpiredEvent()
+        {
+
+        }
+        public WebhookInvoiceExpiredEvent(WebhookEventType evtType) : base(evtType)
+        {
+        }
+
+        public bool PartiallyPaid { get; set; }
+    }
+}

BTCPayServer.Client/Permissions.cs

@@ -12,21 +12,30 @@ namespace BTCPayServer.Client
         public const string CanUseLightningNodeInStore = "btcpay.store.canuselightningnode";
         public const string CanModifyServerSettings = "btcpay.server.canmodifyserversettings";
         public const string CanModifyStoreSettings = "btcpay.store.canmodifystoresettings";
+        public const string CanModifyStoreWebhooks = "btcpay.store.webhooks.canmodifywebhooks";
         public const string CanModifyStoreSettingsUnscoped = "btcpay.store.canmodifystoresettings:";
         public const string CanViewStoreSettings = "btcpay.store.canviewstoresettings";
+        public const string CanViewInvoices = "btcpay.store.canviewinvoices";
         public const string CanCreateInvoice = "btcpay.store.cancreateinvoice";
+        public const string CanModifyInvoices = "btcpay.store.canmodifyinvoices";
         public const string CanViewPaymentRequests = "btcpay.store.canviewpaymentrequests";
         public const string CanModifyPaymentRequests = "btcpay.store.canmodifypaymentrequests";
         public const string CanModifyProfile = "btcpay.user.canmodifyprofile";
         public const string CanViewProfile = "btcpay.user.canviewprofile";
+        public const string CanManageNotificationsForUser = "btcpay.user.canmanagenotificationsforuser";
+        public const string CanViewNotificationsForUser = "btcpay.user.canviewnotificationsforuser";
         public const string CanCreateUser = "btcpay.server.cancreateuser";
+        public const string CanDeleteUser = "btcpay.user.candeleteuser";
         public const string CanManagePullPayments = "btcpay.store.canmanagepullpayments";
         public const string Unrestricted = "unrestricted";
         public static IEnumerable<string> AllPolicies
         {
             get
             {
+                yield return CanViewInvoices;
                 yield return CanCreateInvoice;
+                yield return CanModifyInvoices;
+                yield return CanModifyStoreWebhooks;
                 yield return CanModifyServerSettings;
                 yield return CanModifyStoreSettings;
                 yield return CanViewStoreSettings;
@@ -35,6 +44,9 @@ namespace BTCPayServer.Client
                 yield return CanModifyProfile;
                 yield return CanViewProfile;
                 yield return CanCreateUser;
+                yield return CanDeleteUser;
+                yield return CanManageNotificationsForUser;
+                yield return CanViewNotificationsForUser;
                 yield return Unrestricted;
                 yield return CanUseInternalLightningNode;
                 yield return CanCreateLightningInvoiceInternalNode;
@@ -153,14 +165,21 @@ namespace BTCPayServer.Client
                 return true;
             switch (subpolicy)
             {
+                case Policies.CanViewInvoices when this.Policy == Policies.CanModifyStoreSettings:
+                case Policies.CanViewInvoices when this.Policy == Policies.CanModifyInvoices:
+                case Policies.CanModifyStoreWebhooks when this.Policy == Policies.CanModifyStoreSettings:
+                case Policies.CanViewInvoices when this.Policy == Policies.CanViewStoreSettings:
                 case Policies.CanViewStoreSettings when this.Policy == Policies.CanModifyStoreSettings:
                 case Policies.CanCreateInvoice when this.Policy == Policies.CanModifyStoreSettings:
+                case Policies.CanModifyInvoices when this.Policy == Policies.CanModifyStoreSettings:
                 case Policies.CanViewProfile when this.Policy == Policies.CanModifyProfile:
                 case Policies.CanModifyPaymentRequests when this.Policy == Policies.CanModifyStoreSettings:
                 case Policies.CanViewPaymentRequests when this.Policy == Policies.CanModifyStoreSettings:
                 case Policies.CanViewPaymentRequests when this.Policy == Policies.CanViewStoreSettings:
                 case Policies.CanCreateLightningInvoiceInternalNode when this.Policy == Policies.CanUseInternalLightningNode:
                 case Policies.CanCreateLightningInvoiceInStore when this.Policy == Policies.CanUseLightningNodeInStore:
+                case Policies.CanViewNotificationsForUser when this.Policy == Policies.CanManageNotificationsForUser:
+                case Policies.CanUseInternalLightningNode when this.Policy == Policies.CanModifyServerSettings:
                     return true;
                 default:
                     return false;

BTCPayServer.Client/PushNuget.ps1

@@ -0,0 +1,7 @@
+rm "bin\release\" -Recurse -Force
+dotnet pack --configuration Release --include-symbols -p:SymbolPackageFormat=snupkg
+$package=(ls .\bin\Release\*.nupkg).FullName
+dotnet nuget push $package --source "https://api.nuget.org/v3/index.json"
+$ver = ((ls .\bin\release\*.nupkg)[0].Name -replace '.*(\d+\.\d+\.\d+)\.nupkg','$1')
+git tag -a "BTCPayServer.Client/v$ver" -m "BTCPayServer.Client/$ver"
+git push origin "BTCPayServer.Client/v$ver"

BTCPayServer.Common/Altcoins/BTCPayNetworkProvider.Althash.cs

@@ -0,0 +1,29 @@
+using NBitcoin;
+using NBXplorer;
+
+namespace BTCPayServer
+{
+    public partial class BTCPayNetworkProvider
+    {
+        public void InitAlthash()
+        {
+            var nbxplorerNetwork = NBXplorerNetworkProvider.GetFromCryptoCode("HTML");
+            Add(new BTCPayNetwork()
+            {
+                CryptoCode = nbxplorerNetwork.CryptoCode,
+                DisplayName = "Althash",
+                BlockExplorerLink = NetworkType == ChainName.Mainnet ? "https://explorer.htmlcoin.com/api/tx/{0}" : "https://explorer.htmlcoin.com/api/tx/{0}",
+                NBXplorerNetwork = nbxplorerNetwork,
+                UriScheme = "htmlcoin",
+                DefaultRateRules = new[]
+                {
+                                "HTML_X = HTML_USD",
+                                "HTML_USD = hitbtc(HTML_USD)"
+                },
+                CryptoImagePath = "imlegacy/althash.png",
+                DefaultSettings = BTCPayDefaultSettings.GetDefaultSettings(NetworkType),
+                CoinType = NetworkType == ChainName.Mainnet ? new KeyPath("88'") : new KeyPath("1'")
+            });
+        }
+    }
+}

BTCPayServer.Common/Altcoins/BTCPayNetworkProvider.Argoneum.cs

@@ -11,7 +11,7 @@ namespace BTCPayServer
             {
                 CryptoCode = nbxplorerNetwork.CryptoCode,
                 DisplayName = "Argoneum",
-                BlockExplorerLink = NetworkType == NetworkType.Mainnet
+                BlockExplorerLink = NetworkType == ChainName.Mainnet
                     ? "https://chainz.cryptoid.info/agm/tx.dws?{0}"
                     : "https://chainz.cryptoid.info/agm-test/tx.dws?{0}",
                 NBXplorerNetwork = nbxplorerNetwork,
@@ -23,7 +23,7 @@ namespace BTCPayServer
                     },
                 CryptoImagePath = "imlegacy/argoneum.png",
                 DefaultSettings = BTCPayDefaultSettings.GetDefaultSettings(NetworkType),
-                CoinType = NetworkType == NetworkType.Mainnet ? new KeyPath("421'")
+                CoinType = NetworkType == ChainName.Mainnet ? new KeyPath("421'")
                     : new KeyPath("1'")
             });
         }

BTCPayServer.Common/Altcoins/BTCPayNetworkProvider.BGold.cs

@@ -4,14 +4,14 @@ namespace BTCPayServer
 {
     public partial class BTCPayNetworkProvider
     {
-        public void InitBitcoinGold()
+        public void InitBGold()
         {
             var nbxplorerNetwork = NBXplorerNetworkProvider.GetFromCryptoCode("BTG");
             Add(new BTCPayNetwork()
             {
                 CryptoCode = nbxplorerNetwork.CryptoCode,
                 DisplayName = "BGold",
-                BlockExplorerLink = NetworkType == NetworkType.Mainnet ? "https://explorer.bitcoingold.org/insight/tx/{0}/" : "https://test-explorer.bitcoingold.org/insight/tx/{0}",
+                BlockExplorerLink = NetworkType == ChainName.Mainnet ? "https://btgexplorer.com/tx/{0}" : "https://testnet.btgexplorer.com/tx/{0}",
                 NBXplorerNetwork = nbxplorerNetwork,
                 UriScheme = "bitcoingold",
                 DefaultRateRules = new[]
@@ -22,7 +22,7 @@ namespace BTCPayServer
                 CryptoImagePath = "imlegacy/btg.svg",
                 LightningImagePath = "imlegacy/btg-lightning.svg",
                 DefaultSettings = BTCPayDefaultSettings.GetDefaultSettings(NetworkType),
-                CoinType = NetworkType == NetworkType.Mainnet ? new KeyPath("156'") : new KeyPath("1'")
+                CoinType = NetworkType == ChainName.Mainnet ? new KeyPath("156'") : new KeyPath("1'")
             });
         }
     }