Split namespaces into Different Libraries.

.github/workflows/main.yml

@@ -151,6 +151,18 @@ jobs:
         dotnet pack ./src/Neo \
         --configuration Release \
         --output ./out
+    - name : Pack (Neo.IO)
+      if: steps.check_tag.outputs.statusCode == '404'
+      run: |
+        dotnet pack ./src/Neo.IO \
+        --configuration Release \
+        --output ./out
+    - name : Pack (Neo.Extensions)
+      if: steps.check_tag.outputs.statusCode == '404'
+      run: |
+        dotnet pack ./src/Neo.Extensions \
+        --configuration Release \
+        --output ./out
     - name : Pack (Neo.Json)
       if: steps.check_tag.outputs.statusCode == '404'
       run: |

neo.sln

@@ -24,18 +24,22 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Neo.VM", "src\Neo.VM\Neo.VM
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Neo.VM.Tests", "tests\Neo.VM.Tests\Neo.VM.Tests.csproj", "{005F84EB-EA2E-449F-930A-7B4173DDC7EC}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Neo.ConsoleService", "src\Neo.ConsoleService\Neo.ConsoleService.csproj", "{9E886812-7243-48D8-BEAF-47AADC11C054}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Neo.ConsoleService", "src\Neo.ConsoleService\Neo.ConsoleService.csproj", "{9E886812-7243-48D8-BEAF-47AADC11C054}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Neo.GUI", "src\Neo.GUI\Neo.GUI.csproj", "{02ABDE42-9880-43B4-B6F7-8D618602A277}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Neo.GUI", "src\Neo.GUI\Neo.GUI.csproj", "{02ABDE42-9880-43B4-B6F7-8D618602A277}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Neo.CLI", "src\Neo.CLI\Neo.CLI.csproj", "{BDFBE455-4C1F-4FC4-B5FC-1387B93A8687}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Neo.CLI", "src\Neo.CLI\Neo.CLI.csproj", "{BDFBE455-4C1F-4FC4-B5FC-1387B93A8687}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Neo.ConsoleService.Tests", "tests\Neo.ConsoleService.Tests\Neo.ConsoleService.Tests.csproj", "{B40F8584-5AFB-452C-AEFA-009C80CC23A9}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Neo.ConsoleService.Tests", "tests\Neo.ConsoleService.Tests\Neo.ConsoleService.Tests.csproj", "{B40F8584-5AFB-452C-AEFA-009C80CC23A9}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Neo.Cryptography.BLS12_381", "src\Neo.Cryptography.BLS12_381\Neo.Cryptography.BLS12_381.csproj", "{D48C1FAB-3471-4CA0-8688-25E6F43F2C25}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Neo.Cryptography.BLS12_381.Tests", "tests\Neo.Cryptography.BLS12_381.Tests\Neo.Cryptography.BLS12_381.Tests.csproj", "{387CCF6C-9A26-43F6-A639-0A82E91E10D8}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Neo.IO", "src\Neo.IO\Neo.IO.csproj", "{4CDAC1AA-45C6-4157-8D8E-199050433048}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Neo.Extensions", "src\Neo.Extensions\Neo.Extensions.csproj", "{9C5213D6-3833-4570-8AE2-47E9F9017A8F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -98,6 +102,14 @@ Global
 		{387CCF6C-9A26-43F6-A639-0A82E91E10D8}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{387CCF6C-9A26-43F6-A639-0A82E91E10D8}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{387CCF6C-9A26-43F6-A639-0A82E91E10D8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4CDAC1AA-45C6-4157-8D8E-199050433048}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4CDAC1AA-45C6-4157-8D8E-199050433048}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4CDAC1AA-45C6-4157-8D8E-199050433048}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4CDAC1AA-45C6-4157-8D8E-199050433048}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9C5213D6-3833-4570-8AE2-47E9F9017A8F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9C5213D6-3833-4570-8AE2-47E9F9017A8F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9C5213D6-3833-4570-8AE2-47E9F9017A8F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9C5213D6-3833-4570-8AE2-47E9F9017A8F}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -117,6 +129,8 @@ Global
 		{B40F8584-5AFB-452C-AEFA-009C80CC23A9} = {EDE05FA8-8E73-4924-BC63-DD117127EEE1}
 		{D48C1FAB-3471-4CA0-8688-25E6F43F2C25} = {B5339DF7-5D1D-43BA-B332-74B825E1770E}
 		{387CCF6C-9A26-43F6-A639-0A82E91E10D8} = {EDE05FA8-8E73-4924-BC63-DD117127EEE1}
+		{4CDAC1AA-45C6-4157-8D8E-199050433048} = {B5339DF7-5D1D-43BA-B332-74B825E1770E}
+		{9C5213D6-3833-4570-8AE2-47E9F9017A8F} = {B5339DF7-5D1D-43BA-B332-74B825E1770E}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {BCBA19D9-F868-4C6D-8061-A2B91E06E3EC}

src/Neo.Extensions/Neo.Extensions.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>netstandard2.1;net7.0</TargetFrameworks>
+    <Nullable>enable</Nullable>
+    <PackageTags>NEO;Blockchain;Extensions</PackageTags>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Akka" Version="1.5.14" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <InternalsVisibleTo Include="Neo" />
+    <InternalsVisibleTo Include="Neo.IO" />
+    <InternalsVisibleTo Include="$(AssemblyName).Tests" />
+  </ItemGroup>
+
+</Project>

src/Neo/Utility.cs → src/Neo.Extensions/Utility.cs

@@ -31,7 +31,7 @@ public Logger()
             }
         }
 
-        public static event LogEventHandler Logging;
+        public static event LogEventHandler? Logging;
 
         /// <summary>
         /// A strict UTF8 encoding used in NEO system.

src/Neo/IO/ByteArrayComparer.cs → src/Neo.IO/ByteArrayComparer.cs

@@ -20,27 +20,32 @@ internal class ByteArrayComparer : IComparer<byte[]>
         public static readonly ByteArrayComparer Default = new(1);
         public static readonly ByteArrayComparer Reverse = new(-1);
 
-        private readonly int direction;
+        private readonly int _direction;
 
         private ByteArrayComparer(int direction)
         {
-            this.direction = direction;
+            _direction = direction;
         }
 
-        public int Compare(byte[] x, byte[] y)
+        public int Compare(byte[]? x, byte[]? y)
         {
-            return direction > 0
-                ? CompareInternal(x, y)
-                : -CompareInternal(x, y);
+            if (x == y) return 0;
+            if (x is null && y is not null)
+                return _direction > 0 ? -y.Length : y.Length;
+            if (y is null && x is not null)
+                return _direction > 0 ? x.Length : -x.Length;
+            return _direction > 0 ?
+                    CompareInternal(x!, y!) :
+                    -CompareInternal(x!, y!);
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         private static int CompareInternal(byte[] x, byte[] y)
         {
-            int length = Math.Min(x.Length, y.Length);
-            for (int i = 0; i < length; i++)
+            var length = Math.Min(x.Length, y.Length);
+            for (var i = 0; i < length; i++)
             {
-                int r = x[i].CompareTo(y[i]);
+                var r = x[i].CompareTo(y[i]);
                 if (r != 0) return r;
             }
             return x.Length.CompareTo(y.Length);

src/Neo/IO/ByteArrayEqualityComparer.cs → src/Neo.IO/ByteArrayEqualityComparer.cs

@@ -17,11 +17,11 @@ internal class ByteArrayEqualityComparer : IEqualityComparer<byte[]>
     {
         public static readonly ByteArrayEqualityComparer Default = new();
 
-        public unsafe bool Equals(byte[] x, byte[] y)
+        public unsafe bool Equals(byte[]? x, byte[]? y)
         {
             if (ReferenceEquals(x, y)) return true;
             if (x is null || y is null) return false;
-            int len = x.Length;
+            var len = x.Length;
             if (len != y.Length) return false;
             if (len == 0) return true;
             fixed (byte* xp = x, yp = y)
@@ -48,8 +48,8 @@ public int GetHashCode(byte[] obj)
         {
             unchecked
             {
-                int hash = 17;
-                foreach (byte element in obj)
+                var hash = 17;
+                foreach (var element in obj)
                     hash = hash * 31 + element;
                 return hash;
             }