From 7f5cefbd82769a9d9ca85d78c25195875b647007 Mon Sep 17 00:00:00 2001
From: aniket-engg <aniketengg.225@gmail.com>
Date: Tue, 11 Jan 2022 12:28:42 +0530
Subject: [PATCH] handle empty arguments

---
 libs/remix-ui/run-tab/src/lib/components/contractGUI.tsx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libs/remix-ui/run-tab/src/lib/components/contractGUI.tsx b/libs/remix-ui/run-tab/src/lib/components/contractGUI.tsx
index 0175f272f9..c8dc13be19 100644
--- a/libs/remix-ui/run-tab/src/lib/components/contractGUI.tsx
+++ b/libs/remix-ui/run-tab/src/lib/components/contractGUI.tsx
@@ -58,6 +58,11 @@ export function ContractGUI (props: ContractGUIProps) {
 
   const onCTCMouseDown = () => {
     const multiString = getMultiValsString()
+    // copy-to-clipboard icon is only visible for method requiring input params
+    if (!multiString) {
+      setClipboardContent('cannot encode empty arguments')
+      return
+    }
     const multiJSON = JSON.parse('[' + multiString + ']')
     let encodeObj