Merge branch 'master' into mascara-deploy

1 files changed, 15 insertions, 0 deletions

diff --git a/app/scripts/lib/createLoggerMiddleware.js b/app/scripts/lib/createLoggerMiddleware.js
new file mode 100644
index 000000000..2707cbd9e
--- /dev/null
+++ b/app/scripts/lib/createLoggerMiddleware.js
@@ -0,0 +1,15 @@
+// log rpc activity
+module.exports = createLoggerMiddleware
+
+function createLoggerMiddleware ({ origin }) {
+  return function loggerMiddleware (req, res, next, end) {
+    next((cb) => {
+      if (res.error) {
+        log.error('Error in RPC response:\n', res)
+      }
+      if (req.isMetamaskInternal) return
+      log.info(`RPC (${origin}):`, req, '->', res)
+      cb()
+    })
+  }
+}