From e1530709d973c092526977c09cd00574ebba2f9e Mon Sep 17 00:00:00 2001
From: theoreticalbts <theoreticalbts@users.noreply.github.com>
Date: Thu, 10 Sep 2015 12:08:01 -0400
Subject: [PATCH] witness.cpp:  Set skip_undo_history_check when
 --enable-stale-production is specified

---
 .../witness/include/graphene/witness/witness.hpp       |  1 +
 libraries/plugins/witness/witness.cpp                  | 10 +++++++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/libraries/plugins/witness/include/graphene/witness/witness.hpp b/libraries/plugins/witness/include/graphene/witness/witness.hpp
index c82b83d8..df033094 100644
--- a/libraries/plugins/witness/include/graphene/witness/witness.hpp
+++ b/libraries/plugins/witness/include/graphene/witness/witness.hpp
@@ -75,6 +75,7 @@ private:
    bool _production_enabled = false;
    bool _consecutive_production_enabled = false;
    uint32_t _required_witness_participation = 33 * GRAPHENE_1_PERCENT;
+   uint32_t _production_skip_flags = graphene::chain::database::skip_nothing;
 
    std::map<chain::public_key_type, fc::ecc::private_key> _private_keys;
    std::set<chain::witness_id_type> _witnesses;
diff --git a/libraries/plugins/witness/witness.cpp b/libraries/plugins/witness/witness.cpp
index 24eb0309..db5154ec 100644
--- a/libraries/plugins/witness/witness.cpp
+++ b/libraries/plugins/witness/witness.cpp
@@ -123,8 +123,12 @@ void witness_plugin::plugin_startup()
    {
       ilog("Launching block production for ${n} witnesses.", ("n", _witnesses.size()));
       app().set_block_production(true);
-      if( _production_enabled && (d.head_block_num() == 0) )
-         new_chain_banner(d);
+      if( _production_enabled )
+      {
+         if( d.head_block_num() == 0 )
+            new_chain_banner(d);
+         _production_skip_flags |= graphene::chain::database::skip_undo_history_check;
+      }
       schedule_production_loop();
    } else
       elog("No witnesses configured! Please add witness IDs and private keys to configuration.");
@@ -278,7 +282,7 @@ block_production_condition::block_production_condition_enum witness_plugin::mayb
       scheduled_time,
       scheduled_witness,
       private_key_itr->second,
-      graphene::chain::database::skip_nothing
+      _production_skip_flags
       );
    capture("n", block.block_num())("t", block.timestamp)("c", now);
    p2p_node().broadcast(net::block_message(block));