From 00a6fc8d23af14415dc6e206f3d429200ab68dfb Mon Sep 17 00:00:00 2001
From: sierra19XX <15652887+sierra19XX@users.noreply.github.com>
Date: Thu, 22 Oct 2020 14:55:37 +0000
Subject: [PATCH] proper init of publick_key

---
 libraries/chain/protocol/transaction.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libraries/chain/protocol/transaction.cpp b/libraries/chain/protocol/transaction.cpp
index 340ef86e..4c0684bd 100644
--- a/libraries/chain/protocol/transaction.cpp
+++ b/libraries/chain/protocol/transaction.cpp
@@ -105,6 +105,7 @@ void transaction::get_required_authorities( flat_set<account_id_type>& active,
 
 
 
+const flat_set<public_key_type> empty_keyset;
 
 struct sign_state
 {
@@ -230,7 +231,7 @@ struct sign_state
 
       sign_state( const flat_set<public_key_type>& sigs,
                   const std::function<const authority*(account_id_type)>& a,
-                  const flat_set<public_key_type>& keys = flat_set<public_key_type>() )
+                  const flat_set<public_key_type>& keys = empty_keyset )
       :get_active(a),available_keys(keys)
       {
          for( const auto& key : sigs )