From 6874b8cbd027da0e1c06eb36b218bd6868660358 Mon Sep 17 00:00:00 2001
From: Kamen Mladenov <kamen@syndamia.com>
Date: Thu, 16 Jan 2025 12:50:08 +0200
Subject: feat(flake): Implement zkm package

---
 zkvms/zkm/default.nix | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 zkvms/zkm/default.nix

(limited to 'zkvms')

diff --git a/zkvms/zkm/default.nix b/zkvms/zkm/default.nix
new file mode 100644
index 0000000..da7224b
--- /dev/null
+++ b/zkvms/zkm/default.nix
@@ -0,0 +1,89 @@
+{ zkVM-helpers,
+  stdenv,
+  lib,
+  just,
+  metacraft-labs,
+  rust-bin,
+  protobuf,
+  pkg-config,
+  openssl,
+  buildGoModule,
+  craneLib-default,
+}:
+let
+  zkm_libsnark = buildGoModule {
+    pname = "zkm_libsnark";
+    version = "0.1.0";
+    src = with lib.fileset; toSource {
+      root = ./sdk/src/local/libsnark;
+      fileset = ./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";
+    version = "infdev";
+
+    src = with lib.fileset; toSource {
+      root = ../..;
+      fileset = intersection (gitTracked ../..) (unions [
+          ./.
+          ../../guests
+          ../../guests_macro
+          ../../zkvms_host_io
+          ../../Vertices-010.in
+      ]);
+    };
+
+    cargoLock = ./Cargo.lock;
+
+    nativeBuildInputs = [
+      pkg-config
+      openssl
+      protobuf
+      metacraft-labs.zkm
+    ];
+  };
+
+  craneLib = craneLib-default.overrideToolchain metacraft-labs.zkm;
+  cargoArtifacts = craneLib.buildDepsOnly (zkVM-helpers.fixDeps commonArgs);
+in
+  craneLib.buildPackage (zkVM-helpers.withCustomPhases (commonArgs
+    // {
+      inherit cargoArtifacts;
+
+      postPatch = ''
+        ln -s ../../../../guests/graph_coloring ./zkvms/zkm/guest/src/zkp
+      '';
+
+      hostBin = "host-zkm";
+      guestTarget = "mips-zkm-zkvm-elf";
+
+      preBuildGuest = ''
+        # https://github.com/zkMIPS/zkm/blob/0e62a053970eb25c81aa409d0c7234f5611a192d/build/src/command/utils.rs#L45-L61
+        export RUSTFLAGS="-C target-cpu=mips2 -C target-feature=+crt-static -C link-arg=-nostdlib -C link-arg=-g -C link-arg=--entry=main"
+      '';
+
+      postBuildGuest = ''
+        unset RUSTFLAGS
+      '';
+
+      preBuild = ''
+        export RUSTFLAGS="-L ${zkm_libsnark}/lib $RUSTFLAGS"
+      '';
+
+      preRun = ''
+        export ELF_PATH="$out/bin/guest"
+        export PKG_CONFIG_PATH='${openssl.dev}/lib/pkgconfig' # Dirty hack
+        export LD_LIBRARY_PATH='${lib.makeLibraryPath [ openssl zkm_libsnark ]}'
+      '';
+
+      doCheck = false;
+    }))
-- 
cgit v1.2.3