3 files changed, 20 insertions, 0 deletions
diff --git a/src/blockchain_db/blockchain_db.h b/src/blockchain_db/blockchain_db.h
index d91d3d5fc..6851e2404 100644
--- a/src/blockchain_db/blockchain_db.h
+++ b/src/blockchain_db/blockchain_db.h
@@ -1565,6 +1565,13 @@ public:
    */
   virtual bool is_read_only() const = 0;
 
+  /**
+   * @brief get disk space requirements
+   *
+   * @return the size required
+   */
+  virtual uint64_t get_database_size() const = 0;
+
   // TODO: this should perhaps be (or call) a series of functions which
   // progressively update through version updates
   /**
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index b7e0242dc..5d1679c0c 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -35,6 +35,7 @@
 #include <random>
 
 #include "string_tools.h"
+#include "file_io_utils.h"
 #include "common/util.h"
 #include "cryptonote_basic/cryptonote_format_utils.h"
 #include "crypto/crypto.h"
@@ -3500,6 +3501,16 @@ bool BlockchainLMDB::is_read_only() const
   return false;
 }
 
+uint64_t BlockchainLMDB::get_database_size() const
+{
+  uint64_t size = 0;
+  boost::filesystem::path datafile(m_folder);
+  datafile /= CRYPTONOTE_BLOCKCHAINDATA_FILENAME;
+  if (!epee::file_io_utils::get_file_size(datafile.string(), size))
+    size = 0;
+  return size;
+}
+
 void BlockchainLMDB::fixup()
 {
   LOG_PRINT_L3("BlockchainLMDB::" << __func__);
diff --git a/src/blockchain_db/lmdb/db_lmdb.h b/src/blockchain_db/lmdb/db_lmdb.h
index 6210d3687..8b214d2df 100644
--- a/src/blockchain_db/lmdb/db_lmdb.h
+++ b/src/blockchain_db/lmdb/db_lmdb.h
@@ -380,6 +380,8 @@ private:
 
   virtual bool is_read_only() const;
 
+  virtual uint64_t get_database_size() const;
+
   // fix up anything that may be wrong due to past bugs
   virtual void fixup();