From bc89288ca7dc6943fe89ed2795d1e553cecf6edd Mon Sep 17 00:00:00 2001
From: Dankrad Feist <mail@dankradfeist.de>
Date: Sat, 1 Oct 2022 18:03:52 +0100
Subject: [PATCH] C# interface

---
 min-bindings/C#/Makefile    | 11 +++++++++++
 min-bindings/C#/tests.cs    | 10 ++++++++++
 min-bindings/c_kzg_4844.swg |  4 +++-
 3 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 min-bindings/C#/Makefile
 create mode 100644 min-bindings/C#/tests.cs

diff --git a/min-bindings/C#/Makefile b/min-bindings/C#/Makefile
new file mode 100644
index 0000000..5a8d143
--- /dev/null
+++ b/min-bindings/C#/Makefile
@@ -0,0 +1,11 @@
+INCLUDE_DIRS = .. ../../min-src ../../inc
+
+test: tests.cs ckzg.dll.so
+	mcs -langversion:5 -optimize+ tests.cs ckzg.cs -r:System.Numerics.dll
+	./tests.exe
+
+ckzg.dll.so: c_kzg_4844_wrap.c ../../min-src/c_kzg_4844.o ../../lib/libblst.a
+	clang -O -Wall -shared -fPIC -Wl,-Bsymbolic -I${INCLUDE_PY} ${addprefix -I,${INCLUDE_DIRS}} -o $@ $^
+
+c_kzg_4844_wrap.c ckzg.cs: ../c_kzg_4844.swg
+	swig -DSWIGWORDSIZE64 -O -Wall -csharp -outcurrentdir -namespace ckzg -outfile ckzg.cs $<
diff --git a/min-bindings/C#/tests.cs b/min-bindings/C#/tests.cs
new file mode 100644
index 0000000..25d9c24
--- /dev/null
+++ b/min-bindings/C#/tests.cs
@@ -0,0 +1,10 @@
+using System;
+using System.Text;
+using ckzg;
+
+class PoC {
+  private static void Main(string[] args)
+  {
+    Console.WriteLine("OK");
+  }
+}
diff --git a/min-bindings/c_kzg_4844.swg b/min-bindings/c_kzg_4844.swg
index a8ed47e..4c061ed 100644
--- a/min-bindings/c_kzg_4844.swg
+++ b/min-bindings/c_kzg_4844.swg
@@ -77,6 +77,7 @@
 %include "../min-src/c_kzg_4844.h"
 %include "../inc/blst.h"
 
+#if defined(SWIGPYTHON)
 %pythoncode %{
 # Helper functions
 
@@ -120,4 +121,5 @@ def _frompybytes(b):
     return h
 
 bytes.frompybytes = _frompybytes
-%}
\ No newline at end of file
+%}
+#endif
\ No newline at end of file