Get Nix Pilled (#1073)

* use nix flake to lock build toolchains such as yarn, foundry, ghc, etc.

* added nodejs 16 to dependencies

* add flakes/whitehat

* add flakes/whitehat

* devShells

* remove haskell tools

* [SDK-CORE] 0.5.6 Patch Fix (#1074)

* fix subgraphAPIEndpoint for sdk-core

* Update constants.ts

* third time is the charm

* Update 5_subgraph.test.ts

* proper env variable name

* Update yarn.lock

* address comments

* isArbGoerli

* updated contributing

* typo

Co-authored-by: 0xdavinchee <0xdavinchee@gmail.com>

.gitattributes

@@ -1 +1,3 @@
+/.yarn/releases/** binary
+/.yarn/plugins/** binary
 *.sol linguist-language=Solidity

CONTRIBUTING.md

@@ -6,6 +6,29 @@ Before interacting with the Superfluid community, please read and understand our
 
 ## Local Development
 
+### Setup Tooling
+
+At minimum, you will need to have these available in your development environment:
+
+- yarn, sufficiently recent version, the actual yarn version is locked in yarnc.
+- nodejs 16.x.
+
+**More Options Using Nix**
+
+You may also use [nix package manager](https://nixos.org/download.html) to get a reproducible, declarative and reliable development environment.
+
+Development shells options are available under `devShells` folder ([nix flakes](https://nixos.wiki/wiki/Flakes) required):
+
+- minimum, minimum development environment for building monorepo.
+- whitehat, additional ethereum development toolings including slither, echidna, etc.
+- spec, for developing of Superfluid haskell spec.
+
+To use them:
+
+- `nix develop path:flakes/minimum` or `npm run shell`
+- `nix develop path:flakes/whitehat` or `npm run shell:whitehat`
+- `nix develop path:flakes/spec` or `npm run shell:spec`
+
 ### Installing Dependencies
 
 Before you do anything, you should run `yarn install && yarn build` in the root directory of your local-copy of the protocol-monorepo to install and build the necessary dependencies.

devShells/minimum/flake.nix

@@ -0,0 +1,26 @@
+{
+  description = "The minimum development environment for working with the Superfluid protocol monorepo";
+
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flakeUtils.url = "github:numtide/flake-utils";
+    foundry.url = "github:shazow/foundry.nix";
+  };
+
+  outputs = { self, nixpkgs, flakeUtils, foundry } :
+  flakeUtils.lib.eachDefaultSystem (system:
+  let
+    pkgs = import nixpkgs { inherit system; };
+  in {
+    devShell = with pkgs; mkShell {
+      buildInputs = [
+        # for nodejs ecosystem
+        yarn
+        nodejs-16_x
+        # for solidity development
+        foundry.defaultPackage.${system}
+      ];
+    };
+  });
+}

devShells/spec/flake.nix

@@ -0,0 +1,24 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flakeUtils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flakeUtils }:
+  flakeUtils.lib.eachDefaultSystem (system:
+  let
+    pkgs = import nixpkgs { inherit system; };
+  in {
+    devShell = with pkgs; mkShell {
+      buildInputs = [
+        # for nodejs ecosystem
+        yarn
+        gnumake
+        nodePackages.nodemon
+        # for haskell spec
+        haskell.compiler.ghc924
+        haskell-language-server
+      ];
+    };
+  });
+}

devShells/whitehat/flake.nix

@@ -0,0 +1,26 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flakeUtils.url = "github:numtide/flake-utils";
+    foundry.url = "github:shazow/foundry.nix";  
+    echidna.url = "github:crytic/echidna";
+  };
+
+  outputs = { self, nixpkgs, flakeUtils, foundry, echidna }:
+  flakeUtils.lib.eachDefaultSystem (system:
+  let
+    pkgs = import nixpkgs { inherit system; };
+  in {
+    devShell = with pkgs; mkShell {
+      buildInputs = [
+        # for nodejs ecosystem
+        yarn
+        nodejs-16_x
+        # for solidity development
+        foundry.defaultPackage.${system}
+        slither-analyzer
+        echidna.defaultPackage.${system}
+      ];
+    };
+  });
+}