From 561ed8df3ccdd1c383dc482db56bb84a416f8af3 Mon Sep 17 00:00:00 2001
From: rakita <rakita@users.noreply.github.com>
Date: Wed, 24 Mar 2021 15:15:10 +0100
Subject: [PATCH] fix miner_author by adding dummy msg

---
 bin/oe/account_utils.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/bin/oe/account_utils.rs b/bin/oe/account_utils.rs
index 405aa917c..4b9415466 100644
--- a/bin/oe/account_utils.rs
+++ b/bin/oe/account_utils.rs
@@ -71,7 +71,7 @@ mod accounts {
 #[cfg(feature = "accounts")]
 mod accounts {
     use super::*;
-    use crate::upgrade::upgrade_key_location;
+    use crate::{ethereum_types::H256, upgrade::upgrade_key_location};
     use std::str::FromStr;
 
     pub use crate::accounts::AccountProvider;
@@ -198,7 +198,8 @@ mod accounts {
                 engine_signer,
                 password.clone(),
             );
-            if signer.sign(Default::default()).is_ok() {
+            // sign dummy msg to check if password and account can be used.
+            if signer.sign(H256::from_low_u64_be(1)).is_ok() {
                 author = Some(::ethcore::miner::Author::Sealer(Box::new(signer)));
             }
         }