From a1fe1f02e7e0d8f19871f9a9dedbf3bd4cce3a4b Mon Sep 17 00:00:00 2001
From: Ricardo Guilherme Schmidt <3esmit@gmail.com>
Date: Sun, 30 Sep 2018 01:58:02 -0300
Subject: [PATCH] prevent gas errors with low level call

---
 contracts/registry/UsernameRegistrar.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/registry/UsernameRegistrar.sol b/contracts/registry/UsernameRegistrar.sol
index b48b038..ed32ed0 100644
--- a/contracts/registry/UsernameRegistrar.sol
+++ b/contracts/registry/UsernameRegistrar.sol
@@ -150,7 +150,7 @@ contract UsernameRegistrar is Controlled, ApproveAndCallFallBack {
             address newOwner = ensRegistry.owner(ensNode);
             //Low level call, case dropUsername not implemented or failing, proceed release. 
             //Invert (!) to supress warning, return of this call have no use.
-            !newOwner.call(
+            !newOwner.call.gas(80000)(
                 abi.encodeWithSignature(
                     "dropUsername(bytes32)",
                     _label