feat: foundry.nix.

Author: l-monninger

flake.nix

@@ -26,6 +26,9 @@
 
         # celestia-app
         celestia-app = import ./celestia-app.nix { inherit pkgs; };
+
+        # foundry
+        foundry = import ./foundry.nix { inherit pkgs; };
 
         # Specific version of toolchain
         rust = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
@@ -65,6 +68,7 @@
         testingDependencies = with pkgs; [
             celestia-node
             celestia-app
+            foundry
         ]
         ++ buildDependencies;
 

foundry.nix

@@ -0,0 +1,48 @@
+{
+  description = "A flake for Foundry setup";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; // Adjust as per your requirements
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          config = {
+            allowUnfree = true;
+          };
+        };
+      in
+      {
+        packages.foundry = pkgs.stdenv.mkDerivation {
+          pname = "foundry";
+          version = "latest";
+
+          # Note: In a real Nix build, you wouldn't be able to fetch from the internet like this.
+          # This script is for illustrative purposes and would be run post-build or would need to be adapted.
+          buildCommand = ''
+            mkdir -p $out/bin
+            echo "#!${pkgs.stdenv.shell}" > $out/bin/install-foundry
+            echo "curl -L https://foundry.paradigm.xyz | bash" >> $out/bin/install-foundry
+            echo "foundryup" >> $out/bin/install-foundry
+            chmod +x $out/bin/install-foundry
+          '';
+
+          meta = with pkgs.lib; {
+            description = "Setup script for Foundry, a smart contract development toolchain";
+            homepage = "https://github.com/foundry-rs/foundry";
+            license = licenses.mit;
+            maintainers = with maintainers; [ maintainers.example ];
+          };
+        };
+
+        apps.foundry = flake-utils.lib.mkApp {
+          drv = self.packages.${system}.foundry;
+        };
+
+        defaultPackage = self.packages.${system}.foundry;
+      });
+}