Rate Limit headers

Gemfile

@@ -75,13 +75,11 @@ gem 'grape'
 gem 'wine_bouncer'
 gem 'grape-entity'
 gem 'grape-msgpack'
-gem 'grape-throttle'
+gem 'grape-throttle', git: 'https://github.com/Retrospring/grape-throttle.git'
 
 group :development do
   # require spring 1.3.5 since shit's on fire on my local instance with 1.3.4 (Gem::LoadError)
   # gem 'spring', '~> 1.3.5'
-  # holy shit spring is terrible
-  # ten thousand raises no more!
   gem 'byebug'
   gem 'web-console'
   gem 'quiet_assets'

Gemfile.lock

@@ -1,3 +1,11 @@
+GIT
+  remote: https://github.com/Retrospring/grape-throttle.git
+  revision: fc7b997990b2d04c31e97a4b458fde996aa63253
+  specs:
+    grape-throttle (0.0.4)
+      grape (>= 0.10.0)
+      redis
+
 GIT
   remote: https://github.com/retrospring/questiongenerator.git
   revision: 902de3d7f930a4f67bbbbc414cc3556cc7114839
@@ -239,9 +247,6 @@ GEM
     grape-msgpack (0.1.2)
       grape (>= 0.6.0)
       msgpack (~> 0.5.6)
-    grape-throttle (0.0.1)
-      grape (>= 0.10.0)
-      redis
     haml (4.0.6)
       tilt
     hashie (3.4.1)
@@ -558,7 +563,7 @@ DEPENDENCIES
   grape
   grape-entity
   grape-msgpack
-  grape-throttle
+  grape-throttle!
   haml
   i18n-js
   jbuilder (~> 2.2.4)

app/api/api.rb

@@ -79,7 +79,7 @@ class API < Grape::API
 
   use ::WineBouncer::OAuth2
 
-  use Grape::Middleware::ThrottleMiddleware, cache: Redis.new(url: APP_CONFIG['redis_url']), user_key: ->(env) do
+  use Grape::Middleware::ThrottleMiddleware, expires_header: 'X-Rate-Limit-Reset', limit_header: 'X-Rate-Limit-Limit', remaining_header: 'X-Rate-Limit-Remaining', cache: Redis.new(url: APP_CONFIG['redis_url']), user_key: ->(env) do
     context = env['api.endpoint']
     user = unless context.current_token.nil?
       "app:#{context.current_application.id}user:#{context.current_user.id}"