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Author: tmacro

lib/api/apiUtils/rateLimit/client.js

@@ -67,12 +67,12 @@ class RateLimitClient {
     }
 }
 
-let counterClient;
+let instance;
 if (config.rateLimiting.enabled) {
     counterClient = new RateLimitClient(config.localCache);
 }
 
 module.exports = {
-    counterClient,
+    instance,
     RateLimitClient
 };

lib/api/apiUtils/rateLimit/updateCounter.lua

@@ -1,3 +1,10 @@
+-- updateCounter <KEY> <COST>
+--
+-- Adds the passed COST to the GCRA counter at KEY.
+-- If no counter currently exists a new one is created from the current time.
+-- The key expiration is set to the updated value.
+-- Returns the value of the updated key.
+
 local ts = redis.call('TIME')
 local currentTime = ts[1] * 1000
 currentTime = currentTime + math.floor(ts[2] / 1000)