Update Neo (#793)

* Update StdLib * Add CurrentSigners * Update src/Neo.SmartContract.Framework/Native/StdLib.cs Co-authored-by: Jimmy <jinghui@wayne.edu> * Update StdLib.cs --------- Co-authored-by: Jimmy <jinghui@wayne.edu>
neo-project · Sep 16, 2023 · a77456b · a77456b
1 parent 9a14e2d
commit a77456b
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Showing 3 changed files with 17 additions and 1 deletion.
diff --git a/src/Neo.Compiler.CSharp/Neo.Compiler.CSharp.csproj b/src/Neo.Compiler.CSharp/Neo.Compiler.CSharp.csproj
@@ -20,7 +20,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.7.0" />
-    <PackageReference Include="Neo" Version="3.6.0" />
+    <PackageReference Include="Neo" Version="3.6.0-CI01416" />
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageReference Include="System.CommandLine.NamingConventionBinder" Version="2.0.0-beta4.22272.1" />
   </ItemGroup>

diff --git a/src/Neo.SmartContract.Framework/Native/StdLib.cs b/src/Neo.SmartContract.Framework/Native/StdLib.cs
@@ -72,5 +72,17 @@ public static class StdLib
         public static extern string[] StringSplit(string str, string separator);
 
         public static extern string[] StringSplit(string str, string separator, bool removeEmptyEntries);
+
+        /// <summary>
+        /// Get the string length by elements
+        /// </summary>
+        /// <param name="str">String value</param>
+        /// <returns>Number of elements in the string</returns>
+        /// <example>
+        ///        string a = "A"; // return 1
+        ///        string tilde = "ã"; // return 1
+        ///        string duck = "🦆"; //return 1
+        /// </example>
+        public static extern int StrLen(string str);
     }
 }
diff --git a/src/Neo.SmartContract.Framework/Services/Runtime.cs b/src/Neo.SmartContract.Framework/Services/Runtime.cs
@@ -9,6 +9,7 @@
 // modifications are permitted.
 
 using Neo.SmartContract.Framework.Attributes;
+using Neo.SmartContract.Framework.Native;
 using System.Numerics;
 
 namespace Neo.SmartContract.Framework.Services
@@ -108,5 +109,8 @@ public static class Runtime
 
         [Syscall("System.Runtime.LoadScript")]
         public static extern object LoadScript(ByteString script, CallFlags flags, params object[] args);
+
+        [Syscall("System.Runtime.CurrentSigners")]
+        public static extern Signer[] CurrentSigners();
     }
 }