From 69281c00ca7be2dc2827827b9c945258249bfcca Mon Sep 17 00:00:00 2001
From: Victor Baranov <baranov.viktor.27@gmail.com>
Date: Thu, 27 Feb 2020 18:12:09 +0300
Subject: [PATCH] Check stateMutability prop to define if this is reading
 method

---
 old-ui/app/components/send/send-contract.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/old-ui/app/components/send/send-contract.js b/old-ui/app/components/send/send-contract.js
index 36c1f715e..285ce8719 100644
--- a/old-ui/app/components/send/send-contract.js
+++ b/old-ui/app/components/send/send-contract.js
@@ -161,9 +161,10 @@ class SendTransactionScreen extends PersistentForm {
 						options={this.state.options}
 						style={{ marginBottom: '10px' }}
 						onChange={(opt) => {
+							const isConstantMethod = opt.metadata && (opt.metadata.constant || opt.metadata.stateMutability === 'view')
 							this.setState({
 								methodSelected: opt.value,
-								isConstantMethod: opt.metadata.constant,
+								isConstantMethod: isConstantMethod,
 								methodABI: opt.metadata,
 								outputValues: {},
 								inputValues: {},