From 35acfff06075488df900f4d72687809f517a5470 Mon Sep 17 00:00:00 2001
From: theoreticalbts <theoreticalbts@users.noreply.github.com>
Date: Thu, 24 Sep 2015 17:07:01 -0400
Subject: [PATCH] database:  Implement before_last_checkpoint() function

---
 libraries/chain/db_block.cpp                        | 5 +++++
 libraries/chain/include/graphene/chain/database.hpp | 1 +
 2 files changed, 6 insertions(+)

diff --git a/libraries/chain/db_block.cpp b/libraries/chain/db_block.cpp
index 78533129..c792344d 100644
--- a/libraries/chain/db_block.cpp
+++ b/libraries/chain/db_block.cpp
@@ -643,4 +643,9 @@ void database::add_checkpoints( const flat_map<uint32_t,block_id_type>& checkpts
       _checkpoints[i.first] = i.second;
 }
 
+bool database::before_last_checkpoint()const
+{
+   return (_checkpoints.size() > 0) && (_checkpoints.rbegin()->first >= head_block_num());
+}
+
 } }
diff --git a/libraries/chain/include/graphene/chain/database.hpp b/libraries/chain/include/graphene/chain/database.hpp
index 59d3c4c5..19d4b9fc 100644
--- a/libraries/chain/include/graphene/chain/database.hpp
+++ b/libraries/chain/include/graphene/chain/database.hpp
@@ -122,6 +122,7 @@ namespace graphene { namespace chain {
 
          void                              add_checkpoints( const flat_map<uint32_t,block_id_type>& checkpts );
          const flat_map<uint32_t,block_id_type> get_checkpoints()const { return _checkpoints; }
+         bool before_last_checkpoint()const;
 
          bool push_block( const signed_block& b, uint32_t skip = skip_nothing );
          processed_transaction push_transaction( const signed_transaction& trx, uint32_t skip = skip_nothing );