From c7a0a23f5c6dfacc933526d02e8da59384898758 Mon Sep 17 00:00:00 2001
From: Kamen Mladenov <kamen@syndamia.com>
Date: Fri, 21 Mar 2025 13:01:52 +0200
Subject: feat(zkvms/zkm): Remove SDK override, Go lib build, update SDK usage

Update SDK usage, according to their new methods.

ZKM moved their Go library to the zkVM repo. Their updated SDK also
don't require the patch.
---
 zkvms/zkm/default.nix | 36 ++----------------------------------
 1 file changed, 2 insertions(+), 34 deletions(-)

(limited to 'zkvms/zkm/default.nix')

diff --git a/zkvms/zkm/default.nix b/zkvms/zkm/default.nix
index 4b4cfe2..c6c2230 100644
--- a/zkvms/zkm/default.nix
+++ b/zkvms/zkm/default.nix
@@ -1,30 +1,6 @@
 { zkvmLib, lib, just, metacraft-labs, metacraft-labs-old, protobuf
 , pkg-config, openssl, buildGoModule, fetchFromGitHub, craneLib-default, }:
 let
-  zkm_libsnark = buildGoModule rec {
-    pname = "zkm_libsnark";
-    version = "0.1.0";
-
-    src = fetchFromGitHub {
-      owner = "zkMIPS";
-      repo = "zkm-project-template";
-      sparseCheckout = [ "sdk/src/local/libsnark" ];
-      rev = "155221dfa05daf31d7bfe6b601116ef5a03b82c9";
-      hash = "sha256-6hT7cMD3iXN65SFFgMHIPKzzQ212/uhZNIpjJNZ0Dek=";
-    };
-
-    sourceRoot = "${src.name}/sdk/src/local/libsnark";
-
-    vendorHash = "sha256-tGajRfJ8G4M89QSiJnjpTzQ3+VA2RLkavD1ipANeOSI=";
-
-    buildPhase = "sh ./compile.sh";
-
-    installPhase = ''
-      mkdir -p "$out"/lib
-      mv libsnark.so "$out"/lib/
-    '';
-  };
-
   commonArgs = {
     pname = "zkm";
     inherit (metacraft-labs.zkm) version;
@@ -37,14 +13,6 @@ let
       };
 
     nativeBuildInputs = [ pkg-config openssl protobuf metacraft-labs.zkm ];
-
-    overrideVendorGitCheckout = ps: drv:
-      if drv.src.shortRev == "155221d"
-      && builtins.any (p: p.name == "zkm-sdk") ps then
-        drv.overrideAttrs
-        (_: { patches = [ ./0001-chore-Increase-DEGREE_BITS_RANGE.patch ]; })
-      else
-        drv;
   };
 
   craneLib = craneLib-default.overrideToolchain metacraft-labs.zkm;
@@ -60,12 +28,12 @@ in zkvmLib.buildPackage craneLib (commonArgs // {
   '';
 
   preBuild = ''
-    export RUSTFLAGS="-L ${zkm_libsnark}/lib"
+    export RUSTFLAGS="-L ${metacraft-labs.zkm}/lib"
   '';
 
   hostToolchain = metacraft-labs-old.zkm;
 
-  preRunLibraries = [ openssl zkm_libsnark ];
+  preRunLibraries = [ openssl metacraft-labs.zkm ];
 
   preRun = ''
     export ELF_PATH="$out/bin/guest"
-- 
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