Moving solidity lint check to bazel / buildkite (#629)

* Add solium dependency

* gazelle

* Remove step from travis

.gitignore

@@ -10,3 +10,7 @@ bazel-*
 # Coverage outputs
 coverage.txt
 profile.out
+
+# Nodejs
+node_modules
+yarn-error.log

.travis.yml

@@ -16,19 +16,6 @@ matrix:
       script:
         - ./scripts/coverage.sh
         - bash <(curl -s https://codecov.io/bash)
-    - language: node_js
-      os: linux
-      env:
-        - solidity
-      node_js:
-        - "lts/*"
-      before_install:
-        - npm install -g solium
-      install: true # Skip npm install.
-      script:
-        # Check solidity linter.
-        - solium -d contracts/
-
       notifications:
         email: false
 

WORKSPACE

@@ -28,6 +28,26 @@ load("@io_bazel_rules_docker//docker:docker.bzl", "docker_repositories")
 
 docker_repositories()
 
+git_repository(
+    name = "build_bazel_rules_nodejs",
+    remote = "https://github.com/bazelbuild/rules_nodejs.git",
+    tag = "0.15.0",
+)
+
+load("@build_bazel_rules_nodejs//:package.bzl", "rules_nodejs_dependencies")
+
+rules_nodejs_dependencies()
+
+load("@build_bazel_rules_nodejs//:defs.bzl", "node_repositories", "yarn_install")
+
+node_repositories()
+
+yarn_install(
+    name = "npm",
+    package_json = "//:package.json",
+    yarn_lock = "//:yarn.lock",
+)
+
 # This requires rules_docker to be fully instantiated before it is pulled in.
 git_repository(
     name = "io_bazel_rules_k8s",

package.json

@@ -0,0 +1,8 @@
+{
+  "name": "prysm",
+  "version": "0.0.0",
+  "repository": "git@github.com:prysmaticlabs/prysm.git",
+  "devDependencies": {
+    "solium": "^1.1.8"
+  }
+}