nixify

Add nix related artifacts to make project build in nixos

.gitignore

@@ -7,6 +7,11 @@ dist/
 # Ignore environment-specific files
 .env
 
+# Ignore nixos related environment-specific files
+.envrc
+.cargo/
+.direnv/
+
 # Ignore editor-specific files
 .vscode/
 .idea/
@@ -25,4 +30,4 @@ target/
 debug/
 
 yarn.lock
-contracts/deployments/
+contracts/deployments/

flake.nix

@@ -0,0 +1,65 @@
+{
+  description = "ethereum-rs project";
+  inputs = {
+    nixpkgs.url = "github:NixOs/nixpkgs/nixos-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    flake-utils.url = "github:numtide/flake-utils";
+    foundry.url = "github:shazow/foundry.nix/monthly"; # Use monthly branch for permanent releases
+
+  };
+  outputs = { self, nixpkgs, rust-overlay, flake-utils, foundry, ... }@inputs:
+  flake-utils.lib.eachDefaultSystem (system:
+  let
+    pkgs = import nixpkgs {
+      inherit system;
+      overlays = [ rust-overlay.overlays.default foundry.overlay ];
+    };
+
+    toolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
+    cargoTomlContents = builtins.readFile ./Cargo.toml;
+    version = (builtins.fromTOML cargoTomlContents).package.version;
+
+    ethereumEs = pkgs.rustPlatform.buildRustPackage {
+      inherit version;
+      name = "ethereumEs";
+      buildInputs = with pkgs; [ openssl ];
+      nativeBuildInputs = with pkgs; [ pkg-config openssl.dev ];
+
+      src = pkgs.lib.cleanSourceWith { src = self; };
+
+      cargoLock.lockFile = ./Cargo.lock;
+
+    };
+  in {
+
+    overlays.default = final: prev: { ethereumEs = ethereumEs; };
+
+    gitRev = if (builtins.hasAttr "rev" self) then self.rev else "dirty";
+
+    devShells.default = pkgs.mkShell {
+      buildInputs = with pkgs; [
+        foundry-bin
+        solc
+        toolchain
+        openssl
+        cargo-insta
+        pkg-config
+        eza
+        rust-analyzer-unwrapped
+        nodejs_20
+        nodePackages.typescript
+        nodePackages.typescript-language-server
+        watchexec
+      ];
+      shellHook = ''
+        ## for the IDE to access rust crates source code
+        export RUST_SRC_PATH="${toolchain}/lib/rustlib/src/rust/library"
+
+        ## do not pollute the global cargo repository
+        export CARGO_HOME="$(pwd)/.cargo"
+        export PATH="$CARGO_HOME/bin:$PATH"
+
+      '';
+    };
+  });
+}

rust-toolchain.toml

@@ -0,0 +1,13 @@
+[toolchain]
+channel = "nightly"
+components = [
+    "cargo",
+    "clippy",
+    "rust-analyzer",
+    "rust-src",
+    "rust-std",
+    "rustc",
+    "rustfmt",
+]
+targets = [ "wasm32-unknown-unknown" ]
+profile = "minimal"