From 760a5aec74cfc2ce7467ae89214606500ed7a762 Mon Sep 17 00:00:00 2001
From: Richard Moore <github@ricmoo.com>
Date: Thu, 22 Aug 2019 17:42:23 -0400
Subject: [PATCH] Fixed ENS lookupAddress when the resolver isn't configured
 (#581).

---
 src.ts/providers/base-provider.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src.ts/providers/base-provider.ts b/src.ts/providers/base-provider.ts
index 79b70bd3e..0eb52305e 100644
--- a/src.ts/providers/base-provider.ts
+++ b/src.ts/providers/base-provider.ts
@@ -1221,6 +1221,8 @@ export class BaseProvider extends Provider {
             return self.call(transaction);
 
         }).then(function(data) {
+            if (data == null) { return null; }
+
             // Strip off the "0x"
             data = data.substring(2);