chore: add nix flake for dev shell (#6412)

* chore: add nix flake for dev shell

* chore: use same flake-utils input for solc overlay

* chore: add macOS deps to nix flake

flake.nix

@@ -0,0 +1,56 @@
+{
+ inputs = {
+ nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+ flake-utils.url = "github:numtide/flake-utils";
+ rust-overlay = {
+ url = "github:oxalica/rust-overlay";
+ inputs = {
+ nixpkgs.follows = "nixpkgs";
+ flake-utils.follows = "flake-utils";
+ };
+ };
+ solc = {
+ url = "github:hellwolf/solc.nix";
+ inputs = {
+ nixpkgs.follows = "nixpkgs";
+ flake-utils.follows = "flake-utils";
+ };
+ };
+ };
+
+ outputs = { self, nixpkgs, rust-overlay, flake-utils, solc }:
+ flake-utils.lib.eachDefaultSystem (system:
+ let
+ overlays = [ (import rust-overlay) ];
+ pkgs = import nixpkgs {
+ inherit system;
+ overlays = [ rust-overlay.overlays.default solc.overlay ];
+ };
+ lib = pkgs.lib;
+ toolchain = pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default.override {
+ extensions = [ "rustfmt" "clippy" "rust-src" ];
+ });
+ in
+ {
+ devShells.default = pkgs.mkShell {
+ nativeBuildInputs = with pkgs; [
+ pkg-config
+ libusb1
+ ] ++ lib.optionals pkgs.stdenv.isDarwin [
+ pkgs.darwin.apple_sdk.frameworks.AppKit
+ ];
+ buildInputs = [
+ pkgs.rust-analyzer-unwrapped
+ toolchain
+ ];
+ packages = with pkgs; [
+ solc_0_8_20
+ (solc.mkDefault pkgs solc_0_8_20)
+ ];
+
+ # Environment variables
+ RUST_SRC_PATH = "${toolchain}/lib/rustlib/src/rust/library";
+ LD_LIBRARY_PATH = lib.makeLibraryPath [ pkgs.libusb1 ];
+ };
+ });
+}