inaugural commit

default.nix

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+let pkgs = import ./nix {}; in pkgs.packages

nix/default.nix

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+{ sources ? import ./sources.nix }:
+with
+  { overlay = _: pkgs:
+      { inherit (import sources.niv {}) niv;
+        packages = pkgs.callPackages ./packages.nix {};
+        inherit (import sources.yarn2nix { inherit pkgs; }) yarn2nix mkYarnPackage mkYarnModules;
+        js-chain-libs = sources.js-chain-libs;
+      };
+  };
+import sources.nixpkgs
+  { overlays = [ overlay ] ; config = {}; }

nix/packages.nix

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+{ mkYarnPackage, mkYarnModules, stdenv, nodejs, yarn, python, js-chain-libs }:
+let
+  inherit (stdenv) lib;
+
+  src = js-chain-libs + "/examples/explorer";
+in rec {
+  jormungandr-explorer = stdenv.mkDerivation {
+    name = "jormungandr-explorer";
+    inherit src;
+
+    nativeBuildInputs = [ react-scripts yarn ];
+
+    buildPhase = ''
+      ln -s ${react-scripts}/libexec/jormungandr-explorer/node_modules/
+      yarn run relay
+      yarn run build
+    '';
+
+    installPhase = ''
+      cp -r build $out
+    '';
+  };
+
+  yarn-modules = mkYarnModules {
+    name = "jormungandr-explorer";
+    pname = "jormungandr-explorer";
+    version = "0.1.0";
+
+    packageJSON = ../package.json;
+    yarnLock = ../yarn.lock;
+    yarnNix = ../yarn.nix;
+  };
+
+  react-scripts = mkYarnPackage {
+    name = "react-scripts";
+    inherit src;
+
+    packageJSON = ../package.json;
+    yarnLock = ../yarn.lock;
+    yarnNix = ../yarn.nix;
+
+    publishBinsFor = ["react-scripts" "relay-compiler"];
+
+    yarnPreBuild = ''
+      mkdir -p $HOME/.node-gyp/${nodejs.version}
+      echo 9 > $HOME/.node-gyp/${nodejs.version}/installVersion
+      ln -sfv ${nodejs}/include $HOME/.node-gyp/${nodejs.version}
+    '';
+
+    pkgConfig = {
+      node-sass = {
+        buildInputs = [ python ];
+        postInstall = ''
+          ${nodejs}/lib/node_modules/npm/bin/node-gyp-bin/node-gyp configure
+          ${nodejs}/lib/node_modules/npm/bin/node-gyp-bin/node-gyp build
+          mkdir -p vendor/linux-x64-57
+          mv build/Release/binding.node vendor/linux-x64-57/binding.node
+        '';
+      };
+    };
+  };
+}

nix/sources.json

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+{
+    "js-chain-libs": {
+        "branch": "master",
+        "description": "chain-libs javascript SDK",
+        "homepage": null,
+        "owner": "input-output-hk",
+        "repo": "js-chain-libs",
+        "rev": "22e57a257f87273e289174dfc58f92d867fb3b03",
+        "sha256": "1vy1ll61ni7z8cg6avw523h12azbk2vikq3mgbfi8qwv8cwf0ib0",
+        "type": "tarball",
+        "url": "https://github.com/input-output-hk/js-chain-libs/archive/22e57a257f87273e289174dfc58f92d867fb3b03.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    },
+    "niv": {
+        "branch": "master",
+        "description": "Easy dependency management for Nix projects",
+        "homepage": "https://github.com/nmattia/niv",
+        "owner": "nmattia",
+        "repo": "niv",
+        "rev": "1dd094156b249586b66c16200ecfd365c7428dc0",
+        "sha256": "1b2vjnn8iac5iiqszjc2v1s1ygh0yri998c0k3s4x4kn0dsqik21",
+        "url": "https://github.com/nmattia/niv/archive/1dd094156b249586b66c16200ecfd365c7428dc0.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    },
+    "nixpkgs": {
+        "branch": "nixos-18.09",
+        "description": "A read-only mirror of NixOS/nixpkgs tracking the released channels. Send issues and PRs to",
+        "homepage": "https://github.com/NixOS/nixpkgs",
+        "owner": "NixOS",
+        "repo": "nixpkgs-channels",
+        "rev": "a7e559a5504572008567383c3dc8e142fa7a8633",
+        "sha256": "16j95q58kkc69lfgpjkj76gw5sx8rcxwi3civm0mlfaxxyw9gzp6",
+        "url": "https://github.com/NixOS/nixpkgs-channels/archive/a7e559a5504572008567383c3dc8e142fa7a8633.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    },
+    "yarn2nix": {
+        "branch": "master",
+        "description": "Generate nix expressions from a yarn.lock file",
+        "owner": "moretea",
+        "repo": "yarn2nix",
+        "rev": "7effadded30d611a460e212cb73614506ef61c52",
+        "sha256": "0r4ww3mjx3n7bn2v1iav33liyphyr2x005ak6644qs15bp4bn3cr",
+        "url": "https://github.com/moretea/yarn2nix/archive/7effadded30d611a460e212cb73614506ef61c52.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    }
+}

nix/sources.nix

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+# A record, from name to path, of the third-party packages
+with
+{
+  versions = builtins.fromJSON (builtins.readFile ./sources.json);
+
+  # fetchTarball version that is compatible between all the versions of Nix
+  fetchTarball =
+    { url, sha256 }:
+      if builtins.lessThan builtins.nixVersion "1.12" then
+        builtins.fetchTarball { inherit url; }
+      else
+        builtins.fetchTarball { inherit url sha256; };
+};
+
+# NOTE: spec must _not_ have an "outPath" attribute
+builtins.mapAttrs (_: spec:
+  if builtins.hasAttr "outPath" spec
+  then abort
+    "The values in versions.json should not have an 'outPath' attribute"
+  else
+    if builtins.hasAttr "url" spec && builtins.hasAttr "sha256" spec
+    then
+      spec //
+    { outPath = fetchTarball { inherit (spec) url sha256; } ; }
+    else spec
+  ) versions

package.json

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+{
+  "name": "jormungandr-explorer",
+  "keywords": [
+    "cardano",
+    "ada",
+    "jormungandr",
+    "cryptocurrency",
+    "crypto",
+    "blockchain",
+    "explorer",
+    "react"
+  ],
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@reach/router": "1.2.1",
+    "bootstrap": "4.3.1",
+    "graphql": "14.5.8",
+    "node-sass": "4.12.0",
+    "react": "16.9.0",
+    "react-bootstrap": "1.0.0-beta.12",
+    "react-dom": "16.9.0",
+    "react-relay": "6.0.0",
+    "react-scripts": "3.1.1"
+  },
+  "devDependencies": {
+    "babel-plugin-relay": "6.0.0",
+    "eslint": "6.4.0",
+    "eslint-config-airbnb": "18.0.1",
+    "eslint-config-prettier": "6.3.0",
+    "eslint-plugin-css-modules": "2.11.0",
+    "eslint-plugin-import": "2.18.2",
+    "eslint-plugin-jsx-a11y": "6.2.3",
+    "eslint-plugin-prettier": "3.1.1",
+    "eslint-plugin-promise": "4.2.1",
+    "eslint-plugin-react": "7.14.3",
+    "eslint-plugin-react-hooks": "1.7.0",
+    "prettier": "1.18.2",
+    "relay-compiler": "6.0.0",
+    "relay-config": "6.0.0"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject",
+    "eslint": "./node_modules/eslint/bin/eslint.js . --ext .jsx --ext .js",
+    "eslint-fix": "./node_modules/eslint/bin/eslint.js . --ext .jsx --ext .js --fix",
+    "relay": "relay-compiler --src ./src --schema ./data/schema.graphql --extensions js jsx"
+  },
+  "eslintConfig": {
+    "extends": "react-app"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}

shell.nix

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+with import ./nix {};
+mkShell {
+  buildInputs = [
+    niv
+    yarn
+    yarn2nix
+  ];
+}