From c14e6f743a95cd5a3233de2d5b800f25e8857f55 Mon Sep 17 00:00:00 2001
From: Kevin Heifner <heifnerk@objectcomputing.com>
Date: Wed, 22 Jul 2020 12:24:53 -0500
Subject: [PATCH] Use fc::variant() instead of 0 to be clearer that value is
 not available

---
 plugins/state_history_plugin/state_history_plugin.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/state_history_plugin/state_history_plugin.cpp b/plugins/state_history_plugin/state_history_plugin.cpp
index a6561985dc5..541d5bf4bf2 100644
--- a/plugins/state_history_plugin/state_history_plugin.cpp
+++ b/plugins/state_history_plugin/state_history_plugin.cpp
@@ -225,7 +225,7 @@ struct state_history_plugin_impl : std::enable_shared_from_this<state_history_pl
          }
          fc_ilog(_log, "pushing result {\"head\":{\"block_num\":${head}},\"last_irreversible\":{\"block_num\":${last_irr}},\"this_block\":{\"block_num\":${this_block}}} to send queue", 
                ("head", result.head.block_num)("last_irr", result.last_irreversible.block_num)
-               ("this_block", result.this_block ? result.this_block->block_num : 0));
+               ("this_block", result.this_block ? result.this_block->block_num : fc::variant()));
          send(std::move(result));
          --current_request->max_messages_in_flight;
          need_to_send_update = current_request->start_block_num <= current &&