From d49c44426fb98dcd95e76659bca39e6c76e87a6f Mon Sep 17 00:00:00 2001
From: Mark Stacey <markjstacey@gmail.com>
Date: Fri, 14 Aug 2020 19:15:21 -0300
Subject: [PATCH] Send web3 usage metrics once per origin/property (#9237)

The usage metrics for the injected web3 instance were being sent upon
each use, which exceeded the limits of our Matomo plan. These metrics
are now only being sent upon the first usage, for each origin and
property.
---
 app/scripts/lib/createMethodMiddleware.js | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/app/scripts/lib/createMethodMiddleware.js b/app/scripts/lib/createMethodMiddleware.js
index 308cf0a99..a2b466be1 100644
--- a/app/scripts/lib/createMethodMiddleware.js
+++ b/app/scripts/lib/createMethodMiddleware.js
@@ -1,3 +1,6 @@
+
+const recordedWeb3Usage = {}
+
 /**
  * Returns a middleware that implements the following RPC methods:
  * - metamask_logInjectedWeb3Usage
@@ -15,11 +18,17 @@ export default function createMethodMiddleware ({ origin, sendMetrics }) {
 
         const { action, name } = req.params[0]
 
-        sendMetrics({
-          action,
-          name,
-          customVariables: { origin },
-        })
+        if (!recordedWeb3Usage[origin]) {
+          recordedWeb3Usage[origin] = {}
+        }
+        if (!recordedWeb3Usage[origin][name]) {
+          recordedWeb3Usage[origin][name] = true
+          sendMetrics({
+            action,
+            name,
+            customVariables: { origin },
+          })
+        }
 
         res.result = true
         break