3 files changed, 28 insertions, 0 deletions
diff --git a/src/cryptonote_core/CMakeLists.txt b/src/cryptonote_core/CMakeLists.txt
index 3abf93f3c..9eed11874 100644
--- a/src/cryptonote_core/CMakeLists.txt
+++ b/src/cryptonote_core/CMakeLists.txt
@@ -70,6 +70,7 @@ target_link_libraries(cryptonote_core
   LINK_PUBLIC
     common
     crypto
+    otshell_utils
     ${Boost_DATE_TIME_LIBRARY}
     ${Boost_PROGRAM_OPTIONS_LIBRARY}
     ${Boost_SERIALIZATION_LIBRARY}
diff --git a/src/cryptonote_core/blockchain_storage.cpp b/src/cryptonote_core/blockchain_storage.cpp
index e2b6f2326..78419121f 100644
--- a/src/cryptonote_core/blockchain_storage.cpp
+++ b/src/cryptonote_core/blockchain_storage.cpp
@@ -49,6 +49,7 @@
 #include "crypto/hash.h"
 #include "cryptonote_core/checkpoints_create.h"
 //#include "serialization/json_archive.h"
+#include "../../contrib/otshell_utils/utils.hpp"
 
 using namespace cryptonote;
 
@@ -1153,6 +1154,31 @@ uint64_t blockchain_storage::block_difficulty(size_t i)
   return m_blocks[i].cumulative_difficulty - m_blocks[i-1].cumulative_difficulty;
 }
 //------------------------------------------------------------------
+double blockchain_storage::get_avg_block_size( size_t count)
+{
+		if (count > get_current_blockchain_height()) return 500;
+
+		double average = 0;
+		_dbg1_c("net/blksize", "HEIGHT: " << get_current_blockchain_height());
+		_dbg1_c("net/blksize", "BLOCK ID BY HEIGHT: " << get_block_id_by_height(get_current_blockchain_height()) );
+		_dbg1_c("net/blksize", "BLOCK TAIL ID: " << get_tail_id() );
+		std::vector<size_t> size_vector;	
+
+		get_backward_blocks_sizes(get_current_blockchain_height() - count, size_vector, count);
+
+		std::vector<size_t>::iterator it;
+		it = size_vector.begin();
+		while (it != size_vector.end()) {
+			average += *it;
+			_dbg2_c("net/blksize", "VECTOR ELEMENT: " << (*it) );
+			it++;
+		}	
+		average = average / count;
+		_dbg1_c("net/blksize", "VECTOR SIZE: " << size_vector.size() << " average=" << average);		
+		
+		return average;
+}
+//------------------------------------------------------------------
 void blockchain_storage::print_blockchain(uint64_t start_index, uint64_t end_index)
 {
   std::stringstream ss;
diff --git a/src/cryptonote_core/blockchain_storage.h b/src/cryptonote_core/blockchain_storage.h
index 1bfdf7bd0..38bdfbce7 100644
--- a/src/cryptonote_core/blockchain_storage.h
+++ b/src/cryptonote_core/blockchain_storage.h
@@ -134,6 +134,7 @@ namespace cryptonote
     uint64_t get_current_comulative_blocksize_limit();
     bool is_storing_blockchain(){return m_is_blockchain_storing;}
     uint64_t block_difficulty(size_t i);
+    double get_avg_block_size( size_t count);
 
     template<class t_ids_container, class t_blocks_container, class t_missed_container>
     bool get_blocks(const t_ids_container& block_ids, t_blocks_container& blocks, t_missed_container& missed_bs)