Fix and modernize nix builds to flake.nix + haskell.nix

.github/workflows/nix.yml

@@ -0,0 +1,46 @@
+name: Build and cache with Nix
+
+on:
+  workflow_dispatch:
+  push:
+    paths:
+    - '**'
+    - '!.github/**'
+    - '.github/workflows/nix.yml'
+
+jobs:
+  build-and-cache:
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 740
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, macos-m1]
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Set up Nix with caching
+      uses: kadena-io/setup-nix-with-cache/by-root@v3.1
+      with:
+        cache_url: s3://nixcache.chainweb.com?region=us-east-1
+        signing_private_key: ${{ secrets.NIX_CACHE_PRIVATE_KEY }}
+        additional_experimental_features: recursive-nix
+
+    - name: Set up AWS credentials
+      uses: aws-actions/configure-aws-credentials@v2
+      with:
+        aws-access-key-id: ${{ secrets.NIX_CACHE_AWS_ACCESS_KEY_ID }}
+        aws-secret-access-key: ${{ secrets.NIX_CACHE_AWS_SECRET_ACCESS_KEY }}
+        aws-region: us-east-1
+
+    - name: Give root user AWS credentials
+      uses: kadena-io/setup-nix-with-cache/copy-root-aws-credentials@v3.1
+
+    - name: Build and cache artifacts
+      run: |
+        echo Building the project and its devShell
+        nix build --log-lines 500 --show-trace
+
+        echo Build the recursive output
+        nix build .#recursive.allDerivations --accept-flake-config --log-lines 500 --show-trace

cabal.project

@@ -5,4 +5,5 @@ allow-newer:
 source-repository-package
     type: git
     location: https://github.com/kadena-io/deeproute.git
-    tag: 856be917bf162a769d9082c26700af4bdbb87d49
+    tag: 856be917bf162a769d9082c26700af4bdbb87d49
+    --sha256: sha256-FHLl0gkwr+rtu42XBdVRD9k3bnhYl01GZAE0lz0V8wI=

chainweb-mining-client.cabal

@@ -72,7 +72,7 @@ executable chainweb-mining-client
           attoparsec >=0.14
         , base >=4.10 && <5
         , base16-bytestring >=1.0
-        , aeson >=1.5
+        , aeson >=1.5 && <2
         , async >=2.2
         , bytes >=0.17
         , bytestring >=0.10

default.nix

@@ -1,48 +1,10 @@
-{ compiler ? "ghc8107"
-, rev      ? "7a94fcdda304d143f9a40006c033d7e190311b54"
-, sha256   ? "0d643wp3l77hv2pmg2fi7vyxn4rwy0iyr8djcw1h5x72315ck9ik"
-, pkgs     ?
-    import (builtins.fetchTarball {
-      url    = "https://github.com/NixOS/nixpkgs/archive/${rev}.tar.gz";
-      inherit sha256; }) {
-      config.allowBroken = false; # autodocodec
-      config.allowUnfree = true;
-    }
-, mkDerivation ? null
+{
+  ... # Maintain backwards compatibility with old consumers
 }:
-let gitignoreSrc = import (pkgs.fetchFromGitHub {
-      owner = "hercules-ci";
-      repo = "gitignore";
-      rev = "9e80c4d83026fa6548bc53b1a6fab8549a6991f6";
-      sha256 = "04n9chlpbifgc5pa3zx6ff3rji9am6msrbn1z3x1iinjz2xjfp4p";
-    }) {};
-in
-pkgs.haskell.packages.${compiler}.developPackage {
-  name = builtins.baseNameOf ./.;
-  root = gitignoreSrc.gitignoreSource ./.;
-
-  overrides = self: super: with pkgs.haskell.lib; {
-    configuration-tools = self.callHackageDirect {
-      pkg = "configuration-tools";
-      ver = "0.6.1";
-      sha256 = "0vrml1gj6bb5f6x79m80k9wqn5qvjjzz8c6gf36mqwdqv30irxdv";
-    } {};
-
-    streaming-events = doJailbreak (self.callHackageDirect {
-      pkg = "streaming-events";
-      ver = "1.0.1";
-      sha256 = "11v9rrhvlxlq43m5pw63hdfn6n0fkqryphvplild1y920db96wk9";
-    } {});
-
-    autodocodec = markUnbroken super.autodocodec;
-    validity-aeson = markUnbroken super.validity-aeson;
-  };
-  source-overrides = {
-  };
-  modifier = drv: pkgs.haskell.lib.overrideCabal drv (attrs: {
-    buildTools = (attrs.buildTools or []) ++ [
-      pkgs.haskell.packages.${compiler}.cabal-install
-      pkgs.haskell.packages.${compiler}.ghcid
-    ];
-  });
-}
+(import (
+  fetchTarball {
+    url = "https://github.com/edolstra/flake-compat/archive/12c64ca55c1014cdc1b16ed5a804aa8576601ff2.tar.gz";
+    sha256 = "0jm6nzb83wa6ai17ly9fzpqc40wg1viib8klq8lby54agpl213w5"; }
+) {
+  src =  ./.;
+}).defaultNix.packages.${builtins.currentSystem}.default