From 2f9e636618297557ed2ff69b7386253f1323dcfc Mon Sep 17 00:00:00 2001
From: theoreticalbts <theoreticalbts@users.noreply.github.com>
Date: Wed, 8 Jul 2015 15:00:46 -0400
Subject: [PATCH] db_maint.cpp:  Avoid implementation-defined ordering when
 votable objects tie for votes

---
 libraries/chain/db_maint.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libraries/chain/db_maint.cpp b/libraries/chain/db_maint.cpp
index 1fd4bf98..05209ef1 100644
--- a/libraries/chain/db_maint.cpp
+++ b/libraries/chain/db_maint.cpp
@@ -44,7 +44,11 @@ vector<std::reference_wrapper<const typename Index::object_type>> database::sort
                   [](const ObjectType& o) { return std::cref(o); });
    std::partial_sort(refs.begin(), refs.begin() + count, refs.end(),
                    [this](const ObjectType& a, const ObjectType& b)->bool {
-      return _vote_tally_buffer[a.vote_id] > _vote_tally_buffer[b.vote_id];
+      share_type oa_vote = _vote_tally_buffer[a.vote_id];
+      share_type ob_vote = _vote_tally_buffer[b.vote_id];
+      if( oa_vote != ob_vote )
+         return oa_vote > ob_vote;
+      return a.vote_id < b.vote_id;
    });
 
    refs.resize(count, refs.front());