From 4b454c1888b8e6330d2c0fe34a99813f681ec9d4 Mon Sep 17 00:00:00 2001
From: lianahus <liana@ethereum.org>
Date: Tue, 6 Apr 2021 12:42:02 +0200
Subject: [PATCH] js error handled for gas estimation

---
 apps/remix-ide/src/app/editor/contextualListener.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/apps/remix-ide/src/app/editor/contextualListener.js b/apps/remix-ide/src/app/editor/contextualListener.js
index d7b829a4c8..3f748d6b54 100644
--- a/apps/remix-ide/src/app/editor/contextualListener.js
+++ b/apps/remix-ide/src/app/editor/contextualListener.js
@@ -215,8 +215,8 @@ class ContextualListener extends Plugin {
         const contract = this.nodes[i]
         this.contract = this.results.data.contracts[this.results.source.target][contract.name]
         this.estimationObj = this.contract.evm.gasEstimates
-        this.creationCost = this.estimationObj.creation.totalCost
-        this.codeDepositCost = this.estimationObj.creation.codeDepositCost
+        this.creationCost = this.estimationObj === null ? '<not applicable>' : this.estimationObj.creation.totalCost
+        this.codeDepositCost = this.estimationObj === null ? '<not applicable>' : this.estimationObj.creation.codeDepositCost
       }
     }
   }