From 1564415e5dc29cd76ac17f679ed83e0973764153 Mon Sep 17 00:00:00 2001
From: Steve Klebanoff <steve.klebanoff@gmail.com>
Date: Fri, 16 Nov 2018 15:41:54 -0800
Subject: Specify fallback web3 provider in analytics

---
 packages/instant/src/constants.ts             | 1 +
 packages/instant/src/types.ts                 | 1 +
 packages/instant/src/util/env.ts              | 2 ++
 packages/instant/src/util/provider_factory.ts | 4 ++++
 4 files changed, 8 insertions(+)

diff --git a/packages/instant/src/constants.ts b/packages/instant/src/constants.ts
index 80c93c431..26d5ff436 100644
--- a/packages/instant/src/constants.ts
+++ b/packages/instant/src/constants.ts
@@ -50,4 +50,5 @@ export const PROVIDER_TYPE_TO_NAME: { [key in ProviderType]: string } = {
     [ProviderType.Mist]: 'Mist',
     [ProviderType.CoinbaseWallet]: 'Coinbase Wallet',
     [ProviderType.Parity]: 'Parity',
+    [ProviderType.Fallback]: 'Fallback',
 };
diff --git a/packages/instant/src/types.ts b/packages/instant/src/types.ts
index 67f21a396..31162e471 100644
--- a/packages/instant/src/types.ts
+++ b/packages/instant/src/types.ts
@@ -164,4 +164,5 @@ export enum ProviderType {
     Mist = 'MIST',
     CoinbaseWallet = 'COINBASE_WALLET',
     Cipher = 'CIPHER',
+    Fallback = 'FALLBACK',
 }
diff --git a/packages/instant/src/util/env.ts b/packages/instant/src/util/env.ts
index 4a32f9cb1..59b47d1e3 100644
--- a/packages/instant/src/util/env.ts
+++ b/packages/instant/src/util/env.ts
@@ -52,6 +52,8 @@ export const envUtil = {
             return ProviderType.CoinbaseWallet;
         } else if (!_.isUndefined(_.get(window, '__CIPHER__'))) {
             return ProviderType.Cipher;
+        } else if ((provider as any).zeroExInstantFallbackEngine) {
+            return ProviderType.Fallback;
         }
         return;
     },
diff --git a/packages/instant/src/util/provider_factory.ts b/packages/instant/src/util/provider_factory.ts
index 603f7674d..d77407521 100644
--- a/packages/instant/src/util/provider_factory.ts
+++ b/packages/instant/src/util/provider_factory.ts
@@ -29,6 +29,10 @@ export const providerFactory = {
         providerEngine.addProvider(new RPCSubprovider(rpcUrl));
         // // Start the Provider Engine
         providerEngine.start();
+        // This feels a bit dirty, but was the only way I could think of
+        // checking to see if this engine is our fallback engine, and not
+        // another Web3Provider engine provided by some dapp browser
+        (providerEngine as any).zeroExInstantFallbackEngine = true;
         return providerEngine;
     },
 };
-- 
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