From b8077983d6ecfeab8998006f188207b8b3f4d6d1 Mon Sep 17 00:00:00 2001
From: kumavis <aaron@kumavis.me>
Date: Mon, 22 Aug 2016 18:59:15 -0700
Subject: [PATCH] inpage provider - reassign incomming ids

---
 app/scripts/lib/inpage-provider.js | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

diff --git a/app/scripts/lib/inpage-provider.js b/app/scripts/lib/inpage-provider.js
index b3ed3d9e2..65354cd3d 100644
--- a/app/scripts/lib/inpage-provider.js
+++ b/app/scripts/lib/inpage-provider.js
@@ -33,8 +33,16 @@ function MetamaskInpageProvider (connectionStream) {
   })
   asyncProvider.on('error', console.error.bind(console))
   self.asyncProvider = asyncProvider
-  // overwrite own sendAsync method
-  self.sendAsync = asyncProvider.sendAsync.bind(asyncProvider)
+  // handle sendAsync requests via asyncProvider
+  self.sendAsync = function(payload, cb){
+    // rewrite request ids
+    var request = jsonrpcMessageTransform(payload, (message) => {
+      message.id = createRandomId()
+      return message
+    })
+    // forward to asyncProvider
+    asyncProvider.sendAsync(request, cb)
+  }
 }
 
 MetamaskInpageProvider.prototype.send = function (payload) {
@@ -92,3 +100,21 @@ function remoteStoreWithLocalStorageCache (storageKey) {
 
   return store
 }
+
+function createRandomId(){
+  const extraDigits = 3
+  // 13 time digits
+  const datePart = new Date().getTime() * Math.pow(10, extraDigits)
+  // 3 random digits
+  const extraPart = Math.floor(Math.random() * Math.pow(10, extraDigits))
+  // 16 digits
+  return datePart + extraPart
+}
+
+function jsonrpcMessageTransform(payload, transformFn){
+  if (Array.isArray(payload)) {
+    return payload.map(transformFn)
+  } else {
+    return transformFn(payload)
+  }
+}
\ No newline at end of file