Fix: make standalone contract templates use the local compiler tool

src/Neo.SmartContract.Template/README.md

@@ -84,6 +84,7 @@ Project templates generate:
 
 ```
 MyContract/
+├── .config/dotnet-tools.json
 ├── MyContract.cs          # Main contract file
 ├── MyContract.csproj      # Project file with proper references
 └── README.md              # Template-specific documentation

src/Neo.SmartContract.Template/templates/neocontractnep11/.config/dotnet-tools.json

@@ -0,0 +1,12 @@
+{
+  "version": 1,
+  "isRoot": true,
+  "tools": {
+    "neo.compiler.csharp": {
+      "version": "TemplateNeoVersion",
+      "commands": [
+        "nccs"
+      ]
+    }
+  }
+}

src/Neo.SmartContract.Template/templates/neocontractnep11/Nep11Contract.csproj

@@ -25,7 +25,8 @@
   <Target Name="PostBuild" AfterTargets="PostBuildEvent">
     <Message Text="Start NeoContract converter, Source File: &quot;$(ProjectPath)&quot;" Importance="high">
     </Message>
-    <Exec Command="nccs $(BaseNameArgument) $(NullableArgument) $(CheckedArgument) $(DebugArgument) &quot;$(ProjectPath)&quot;" />
+    <Exec Command="dotnet tool restore" WorkingDirectory="$(MSBuildProjectDirectory)" />
+    <Exec Command="dotnet tool run nccs $(BaseNameArgument) $(NullableArgument) $(CheckedArgument) $(DebugArgument) &quot;$(ProjectPath)&quot;" WorkingDirectory="$(MSBuildProjectDirectory)" />
   </Target>
 
 </Project>

src/Neo.SmartContract.Template/templates/neocontractnep17/Nep17Contract.csproj

@@ -25,7 +25,8 @@
   <Target Name="PostBuild" AfterTargets="PostBuildEvent">
     <Message Text="Start NeoContract converter, Source File: &quot;$(ProjectPath)&quot;" Importance="high">
     </Message>
-    <Exec Command="nccs $(BaseNameArgument) $(NullableArgument) $(CheckedArgument) $(DebugArgument) &quot;$(ProjectPath)&quot;" />
+    <Exec Command="dotnet tool restore" WorkingDirectory="$(MSBuildProjectDirectory)" />
+    <Exec Command="dotnet tool run nccs $(BaseNameArgument) $(NullableArgument) $(CheckedArgument) $(DebugArgument) &quot;$(ProjectPath)&quot;" WorkingDirectory="$(MSBuildProjectDirectory)" />
   </Target>
 
 </Project>

src/Neo.SmartContract.Template/templates/neocontractoracle/OracleRequest.csproj

@@ -25,7 +25,8 @@
   <Target Name="PostBuild" AfterTargets="PostBuildEvent">
     <Message Text="Start NeoContract converter, Source File: &quot;$(ProjectPath)&quot;" Importance="high">
     </Message>
-    <Exec Command="nccs $(BaseNameArgument) $(NullableArgument) $(CheckedArgument) $(DebugArgument) &quot;$(ProjectPath)&quot;" />
+    <Exec Command="dotnet tool restore" WorkingDirectory="$(MSBuildProjectDirectory)" />
+    <Exec Command="dotnet tool run nccs $(BaseNameArgument) $(NullableArgument) $(CheckedArgument) $(DebugArgument) &quot;$(ProjectPath)&quot;" WorkingDirectory="$(MSBuildProjectDirectory)" />
   </Target>
 
 </Project>

src/Neo.SmartContract.Template/templates/neocontractowner/Ownable.csproj

@@ -25,7 +25,8 @@
   <Target Name="PostBuild" AfterTargets="PostBuildEvent">
     <Message Text="Start NeoContract converter, Source File: &quot;$(ProjectPath)&quot;" Importance="high">
     </Message>
-    <Exec Command="nccs $(BaseNameArgument) $(NullableArgument) $(CheckedArgument) $(DebugArgument) &quot;$(ProjectPath)&quot;" />
+    <Exec Command="dotnet tool restore" WorkingDirectory="$(MSBuildProjectDirectory)" />
+    <Exec Command="dotnet tool run nccs $(BaseNameArgument) $(NullableArgument) $(CheckedArgument) $(DebugArgument) &quot;$(ProjectPath)&quot;" WorkingDirectory="$(MSBuildProjectDirectory)" />
   </Target>
 
 </Project>

tests/Neo.SmartContract.Template.UnitTests/templates/ContractTemplateToolManifestTests.cs

@@ -0,0 +1,71 @@
+// Copyright (C) 2015-2026 The Neo Project.
+//
+// ContractTemplateToolManifestTests.cs file belongs to the neo project and is free
+// software distributed under the MIT software license, see the
+// accompanying file LICENSE in the main directory of the
+// repository or http://www.opensource.org/licenses/mit-license.php
+// for more details.
+//
+// Redistribution and use in source and binary forms with or without
+// modifications are permitted.
+
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using System.IO;
+using System.Linq;
+using System.Text.Json;
+using System.Xml.Linq;
+
+namespace Neo.SmartContract.Template.UnitTests.templates;
+
+[TestClass]
+public class ContractTemplateToolManifestTests
+{
+    private static readonly string TemplateRoot = Path.GetFullPath(
+        "../../../../../src/Neo.SmartContract.Template/templates");
+
+    [DataTestMethod]
+    [DataRow("neocontractnep11")]
+    [DataRow("neocontractnep17")]
+    [DataRow("neocontractoracle")]
+    [DataRow("neocontractowner")]
+    [DataRow("neocontractsolution")]
+    public void ContractTemplate_IncludesCompilerToolManifest(string templateName)
+    {
+        var manifestPath = Path.Combine(TemplateRoot, templateName, ".config", "dotnet-tools.json");
+        Assert.IsTrue(File.Exists(manifestPath), $"{templateName} is missing .config/dotnet-tools.json.");
+
+        using var document = JsonDocument.Parse(File.ReadAllText(manifestPath));
+        var root = document.RootElement;
+        var compiler = root.GetProperty("tools").GetProperty("neo.compiler.csharp");
+
+        Assert.AreEqual(1, root.GetProperty("version").GetInt32());
+        Assert.IsTrue(root.GetProperty("isRoot").GetBoolean());
+        Assert.AreEqual("TemplateNeoVersion", compiler.GetProperty("version").GetString());
+
+        var commands = compiler.GetProperty("commands");
+        Assert.AreEqual(1, commands.GetArrayLength());
+        Assert.AreEqual("nccs", commands[0].GetString());
+    }
+
+    [DataTestMethod]
+    [DataRow("neocontractnep11", "Nep11Contract.csproj")]
+    [DataRow("neocontractnep17", "Nep17Contract.csproj")]
+    [DataRow("neocontractoracle", "OracleRequest.csproj")]
+    [DataRow("neocontractowner", "Ownable.csproj")]
+    public void StandaloneContractTemplate_UsesLocalCompilerTool(
+        string templateName,
+        string projectName)
+    {
+        var project = XDocument.Load(Path.Combine(TemplateRoot, templateName, projectName));
+        var commands = project.Descendants("Exec")
+            .Select(element => (string?)element.Attribute("Command"))
+            .Where(command => command is not null)
+            .ToArray();
+
+        CollectionAssert.Contains(commands, "dotnet tool restore");
+        Assert.IsTrue(
+            commands.Any(command => command!.StartsWith("dotnet tool run nccs ", StringComparison.Ordinal)),
+            $"{projectName} must invoke nccs through the local tool manifest.");
+    }
+}