build(nix): build Cryptle

Signed-off-by: Roman Volosatovs <[email protected]>

Author: rvolosatovs

flake.lock

@@ -0,0 +1,76 @@
+{
+  description = "Cryptle";
+
+  inputs.enarx.url = github:enarx/enarx/v0.6.1;
+  inputs.fenix.inputs.nixpkgs.follows = "nixpkgs";
+  inputs.fenix.url = github:nix-community/fenix;
+  inputs.flake-utils.url = github:numtide/flake-utils;
+  inputs.naersk.inputs.nixpkgs.follows = "nixpkgs";
+  inputs.naersk.url = github:nix-community/naersk;
+  inputs.nixpkgs.url = github:profianinc/nixpkgs;
+
+  outputs = {
+    self,
+    enarx,
+    fenix,
+    flake-utils,
+    naersk,
+    nixpkgs,
+  }: let
+    cargo.toml = builtins.fromTOML (builtins.readFile "${self}/Cargo.toml");
+
+    overlay = final: prev: let
+      rust = with fenix.packages.${final.system};
+        combine [
+          stable.rustc
+          stable.cargo
+          targets.wasm32-wasi.stable.rust-std
+        ];
+
+      naersk-lib = naersk.lib.${final.system}.override {
+        cargo = rust;
+        rustc = rust;
+      };
+    in {
+      cryptle-wasm = naersk-lib.buildPackage {
+        src = self;
+        CARGO_BUILD_TARGET = "wasm32-wasi";
+      };
+
+      cryptle-enarx = final.stdenv.mkDerivation {
+        inherit (cargo.toml.package) version;
+        pname = cargo.toml.package.name;
+
+        dontUnpack = true;
+        installPhase = ''
+          mkdir -p $out
+          cp ${final.cryptle-wasm}/bin/cryptle.wasm $out/main.wasm
+          cp ${self}/Enarx.toml $out/Enarx.toml
+        '';
+      };
+    };
+  in
+    with flake-utils.lib.system;
+      flake-utils.lib.eachSystem [
+        aarch64-darwin
+        aarch64-linux
+        x86_64-darwin
+        x86_64-linux
+      ] (system: let
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [overlay];
+        };
+      in {
+        formatter = pkgs.alejandra;
+
+        packages.cryptle-wasm = pkgs.cryptle-wasm;
+        packages.cryptle-enarx = pkgs.cryptle-enarx;
+
+        devShells.default = pkgs.mkShell {
+          buildInputs = [
+            enarx.packages.${system}.enarx-static
+          ];
+        };
+      });
+}