core: make the sync chunk block count overridable

2 files changed, 14 insertions, 0 deletions

diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp
index c289f297b..4abf6a898 100644
--- a/src/cryptonote_core/cryptonote_core.cpp
+++ b/src/cryptonote_core/cryptonote_core.cpp
@@ -142,6 +142,7 @@ namespace cryptonote
     command_line::add_arg(desc, command_line::arg_db_sync_mode);
     command_line::add_arg(desc, command_line::arg_show_time_stats);
     command_line::add_arg(desc, command_line::arg_db_auto_remove_logs);
+    command_line::add_arg(desc, command_line::arg_block_sync_size);
   }
   //-----------------------------------------------------------------------------------------------
   bool core::handle_command_line(const boost::program_options::variables_map& vm)
@@ -403,6 +404,10 @@ namespace cryptonote
     m_blockchain_storage.set_show_time_stats(show_time_stats);
     CHECK_AND_ASSERT_MES(r, false, "Failed to initialize blockchain storage");
 
+    block_sync_size = command_line::get_arg(vm, command_line::arg_block_sync_size);
+    if (block_sync_size == 0)
+      block_sync_size = BLOCKS_SYNCHRONIZING_DEFAULT_COUNT;
+
     // load json & DNS checkpoints, and verify them
     // with respect to what blocks we already have
     CHECK_AND_ASSERT_MES(update_checkpoints(), false, "One or more checkpoints loaded from json or dns conflicted with existing checkpoints.");
diff --git a/src/cryptonote_core/cryptonote_core.h b/src/cryptonote_core/cryptonote_core.h
index d16bd6553..97abf3271 100644
--- a/src/cryptonote_core/cryptonote_core.h
+++ b/src/cryptonote_core/cryptonote_core.h
@@ -611,6 +611,13 @@ namespace cryptonote
       */
      bool are_key_images_spent(const std::vector<crypto::key_image>& key_im, std::vector<bool> &spent) const;
 
+     /**
+      * @brief get the number of blocks to sync in one go
+      *
+      * @return the number of blocks to sync in one go
+      */
+     size_t get_block_sync_size() const { return block_sync_size; }
+
    private:
 
      /**
@@ -798,6 +805,8 @@ namespace cryptonote
      std::atomic_flag m_checkpoints_updating; //!< set if checkpoints are currently updating to avoid multiple threads attempting to update at once
 
      boost::interprocess::file_lock db_lock; //!< a lock object for a file lock in the db directory
+
+     size_t block_sync_size;
    };
 }