try fixing hermes build in ci

Author: JayT106

nix/default.nix

@@ -62,28 +62,28 @@ import sources.nixpkgs {
       };
     })
     (_: pkgs: {
-      hermes =
-        let
+      hermes = pkgs.callPackage ./hermes.nix { };
+#        let
           # The informalsystems/hermes v1.13.1 requires rust version >= v1.83
           # The nixpkgs 24.11 is using rust version v1.82
           # Use fenix to select different rust toolchain version
-          rustToolchain =
-            (import sources.fenix {
-              inherit system;
-            }).fromToolchainFile
-              {
-                file = ./rust-toolchain.toml;
-                sha256 = "sha256-s1RPtyvDGJaX/BisLT+ifVfuhDT1nZkZ1NcK8sbwELM=";
-              };
-          fenixRustPlatform = pkgs.makeRustPlatform {
-            cargo = rustToolchain;
-            rustc = rustToolchain;
-          };
-        in
-        pkgs.callPackage ./hermes.nix {
-          src = sources.hermes;
-          rustPlatform = fenixRustPlatform;
-        };
+#          rustToolchain =
+#            (import sources.fenix {
+#              inherit system;
+#            }).fromToolchainFile
+#              {
+#                file = ./rust-toolchain.toml;
+#                sha256 = "sha256-s1RPtyvDGJaX/BisLT+ifVfuhDT1nZkZ1NcK8sbwELM=";
+#              };
+#          fenixRustPlatform = pkgs.makeRustPlatform {
+#            cargo = rustToolchain;
+#            rustc = rustToolchain;
+#          };
+#        in
+#        pkgs.callPackage ./hermes.nix {
+#          src = sources.hermes;
+#          rustPlatform = fenixRustPlatform;
+#        };
     })
     (_: pkgs: { test-env = pkgs.callPackage ./testenv.nix { }; })
     (_: pkgs: { cosmovisor = pkgs.callPackage ./cosmovisor.nix { }; })

nix/hermes.nix

@@ -1,60 +1,83 @@
 {
-  src,
-  lib,
-  stdenv,
-  darwin,
-  rustPlatform,
-  symlinkJoin,
-  openssl,
-  pkg-config,
-  protobuf, # required by namada_tx crate
-  llvm,
-  llvmPackages,
+  lib
+, stdenv
+, fetchurl
+, makeWrapper
+, openssl
+, pkg-config
+, darwin
+, qemu
 }:
-rustPlatform.buildRustPackage rec {
-  name = "hermes";
-  inherit src;
-  cargoBuildFlags = "-p ibc-relayer-cli";
-  buildInputs = (lib.optionals stdenv.isDarwin [
+
+let
+  version = "1.13.1";
+  
+  platform = if stdenv.isDarwin then
+    if stdenv.isAarch64 then "aarch64-apple-darwin"
+    else "x86_64-apple-darwin"
+  else if stdenv.isLinux then
+    # for linux, always use the x86_64 version
+    "x86_64-unknown-linux-gnu"
+  else
+    throw "Unsupported platform: ${stdenv.system}";
+  
+  url = "https://github.com/informalsystems/hermes/releases/download/v${version}/hermes-v${version}-${platform}.tar.gz";
+  
+  sha256 = if platform == "aarch64-apple-darwin" then
+    "1j87ikp29008f6x1pcbp8bc77yfhf40sa13d6iliglsisrgsjcas"
+  else if platform == "x86_64-apple-darwin" then
+    "0f9m8g2xg9l3ghvj42kwa7yn6gr3ralylscmz5bs99qdd5hc8fbd"
+  else if platform == "x86_64-unknown-linux-gnu" then
+    "0a5anc32brrl390i1aiz3yaar1s9lh3s8r70liw3v7lgd5fnpzgg"
+  else
+    throw "Unsupported platform: ${stdenv.system}";
+
+in
+stdenv.mkDerivation {
+  pname = "hermes";
+  inherit version;
+  
+  src = fetchurl {
+    inherit url sha256;
+  };
+  
+  nativeBuildInputs = [ makeWrapper ];
+  
+  buildInputs = lib.optionals stdenv.isDarwin [
     darwin.apple_sdk.frameworks.Security
-    pkg-config
-    openssl
     darwin.libiconv
     darwin.apple_sdk.frameworks.SystemConfiguration
-    protobuf
-    llvm
-    llvmPackages.libclang
-    llvmPackages.clang
-  ]) ++ (lib.optionals (!stdenv.isDarwin) [
-    pkg-config
-    openssl
-    protobuf
-    llvm
-    llvmPackages.libclang
-    llvmPackages.clang
-  ]);
-  nativeBuildInputs = with llvmPackages; [
-    clang
-    libclang
   ];
-  cargoLock = {
-    lockFile = "${src}/Cargo.lock";
-  };
-  doCheck = false;
-  RUSTFLAGS = "--cfg ossl111 --cfg ossl110 --cfg ossl101";
-  OPENSSL_NO_VENDOR = "1";
-  OPENSSL_DIR = symlinkJoin {
-    name = "openssl";
-    paths = with openssl; [
-      out
-      dev
-    ];
+  
+  sourceRoot = ".";
+  
+  installPhase = ''
+    mkdir -p $out/bin
+    cp hermes $out/bin/
+    chmod +x $out/bin/hermes
+  '';
+  
+  postFixup = ''
+    ${if (stdenv.isLinux && stdenv.isAarch64) then ''
+      # for ARM64 uses qemu to simulate x86_64
+      mv $out/bin/hermes $out/bin/hermes.x86_64
+      cat > $out/bin/hermes << EOF
+      #!/bin/sh
+      exec ${qemu}/bin/qemu-x86_64 $out/bin/hermes.x86_64 "\$@"
+      EOF
+      chmod +x $out/bin/hermes
+    '' else ''
+      wrapProgram $out/bin/hermes \
+        ${lib.optionalString stdenv.isLinux "LD_LIBRARY_PATH=${lib.makeLibraryPath [ openssl ]}"}
+    ''}
+  '';
+  
+  meta = with lib; {
+    description = "An IBC Relayer written in Rust";
+    homepage = "https://hermes.informal.systems/";
+    license = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ ];
   };
-  PROTOC = "${protobuf}/bin/protoc";
-  PROTOC_INCLUDE = "${protobuf}/include";
-  LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
-  CC = "${llvmPackages.clang}/bin/clang";
-  CXX = "${llvmPackages.clang}/bin/clang++";
 
-  GIT_LFS_SKIP_SMUDGE = "1";
 }