fix(devShell): restore devshell

flake.nix

@@ -477,6 +477,66 @@
               '';
             });
           };
+
+          devShells.default = pkgs.mkShell {
+            name = "union-devShell";
+            buildInputs = [ rust.toolchains.dev ] ++ (with pkgs; [
+              cargo-fuzz
+              cargo-llvm-cov
+              bacon
+              cargo-nextest
+              jq
+              go-ethereum
+              marksman
+              nil
+              nixfmt
+              nix-tree
+              openssl
+              pkg-config
+              protobuf
+              httpie
+              self'.packages.tdc
+              self'.packages.voy-send-msg
+              yq
+            ]) ++ (with unstablePkgs; [
+              bun # for running TypeScript files on the fly
+              postgresql
+              emmet-language-server
+              nodePackages.graphqurl
+              nodePackages_latest.nodejs
+              nodePackages_latest.svelte-language-server
+              nodePackages_latest."@astrojs/language-server"
+              nodePackages_latest."@tailwindcss/language-server"
+              nodePackages_latest.typescript-language-server
+              nodePackages_latest.vscode-langservers-extracted
+            ])
+              ++ (with goPkgs; [
+              go
+              gopls
+              go-tools
+              gotools
+            ]) ++ (if pkgs.stdenv.isLinux then [
+              pkgs.solc
+              pkgs.foundry-bin
+              goPkgs.sqlx-cli
+              self'.packages.hasura-cli
+            ] else [ ]);
+            nativeBuildInputs = [ config.treefmt.build.wrapper ]
+              ++ lib.attrsets.attrValues config.treefmt.build.programs;
+
+            GOPRIVATE = "github.com/unionlabs/*";
+            PUPPETEER_SKIP_DOWNLOAD = 1; # avoid npm install downloading chromium
+            NODE_OPTIONS = "--no-warnings"; # avoid useless warnings from nodejs
+            ASTRO_TELEMETRY_DISABLED = 1;
+
+            ICS23_TEST_SUITE_DATA_DIR = "${inputs.ics23}/testdata";
+            ETHEREUM_CONSENSUS_SPECS_DIR = "${inputs.ethereum-consensus-specs}";
+
+            RUST_SRC_PATH = "${rust.toolchains.dev}/lib/rustlib/src/rust/library";
+
+            SQLX_OFFLINE = true;
+          };
+
           treefmt = {
             package = pkgs.treefmt;
             projectRootFile = "flake.nix";