From 81746808730b768f26b4235a52a060f109992c90 Mon Sep 17 00:00:00 2001
From: Spencer Corwin <29364457+spencercorwin@users.noreply.github.com>
Date: Fri, 11 Jun 2021 14:07:55 -0700
Subject: [PATCH] fix(node): update distpacher stack item return

---
 packages/neo-one-node-vm/lib/Dispatcher.csproj |  4 ++--
 packages/neo-one-node-vm/lib/ReturnHelpers.cs  | 14 +++++++++++++-
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/packages/neo-one-node-vm/lib/Dispatcher.csproj b/packages/neo-one-node-vm/lib/Dispatcher.csproj
index dfd61c9da0..5af090e5d7 100644
--- a/packages/neo-one-node-vm/lib/Dispatcher.csproj
+++ b/packages/neo-one-node-vm/lib/Dispatcher.csproj
@@ -14,8 +14,8 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.3" />
     <PackageReference Include="RocksDbNative" Version="6.2.2" />
     <PackageReference Include="RocksDbSharp" Version="6.2.2" />
-    <!-- <PackageReference Include="Neo-VM-N1-Fork" Version="3.0.0-rc3" />
-    <PackageReference Include="Neo-NEO-ONE-Fork" Version="3.0.0-rc3" /> -->
+    <!-- <PackageReference Include="Neo-VM-N1-Fork" Version="3.0.0-rc3" /> -->
+    <!-- <PackageReference Include="Neo-NEO-ONE-Fork" Version="3.0.0-rc3" /> -->
     <ProjectReference Include="/Users/spencercorwin/neo/src/neo/neo.csproj" />
     <ProjectReference Include="/Users/spencercorwin/neo-vm/src/neo-vm/neo-vm.csproj" />
   </ItemGroup>
diff --git a/packages/neo-one-node-vm/lib/ReturnHelpers.cs b/packages/neo-one-node-vm/lib/ReturnHelpers.cs
index 056e61ae85..e3261f3e50 100644
--- a/packages/neo-one-node-vm/lib/ReturnHelpers.cs
+++ b/packages/neo-one-node-vm/lib/ReturnHelpers.cs
@@ -106,6 +106,18 @@ public MapReturn(Map item)
       }
     }
 
+    public class BufferReturn
+    {
+      public byte[] value;
+      public StackItemType Type => StackItemType.Buffer;
+      public readonly bool IsNull;
+      public BufferReturn(Neo.VM.Types.Buffer item)
+      {
+        this.value = item.InnerBuffer;
+        this.IsNull = item.IsNull;
+      }
+    }
+
     public class InteropInterfaceReturn
     {
       public dynamic value;
@@ -135,7 +147,7 @@ public static dynamic convertStackItem(StackItem item)
       return item.Type switch
       {
         StackItemType.Any => item,
-        StackItemType.Buffer => item,
+        StackItemType.Buffer => new BufferReturn((Neo.VM.Types.Buffer)item),
         StackItemType.Pointer => new PointerReturn((Neo.VM.Types.Pointer)item),
         StackItemType.Array => new ArrayReturn((Neo.VM.Types.Array)item),
         StackItemType.Struct => new StructReturn((Struct)item),