1 files changed, 22 insertions, 0 deletions
diff --git a/src/cryptonote_core/checkpoints.h b/src/cryptonote_core/checkpoints.h
new file mode 100644
index 000000000..20014b1c8
--- /dev/null
+++ b/src/cryptonote_core/checkpoints.h
@@ -0,0 +1,22 @@
+// Copyright (c) 2012-2013 The Cryptonote developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#pragma once
+#include <map>
+#include "cryptonote_basic_impl.h"
+
+
+namespace cryptonote
+{
+  class checkpoints
+  {
+  public:
+    checkpoints();
+    bool add_checkpoint(uint64_t height, const std::string& hash_str);
+    bool is_in_checkpoint_zone(uint64_t height) const;
+    bool check_block(uint64_t height, const crypto::hash& h) const;
+  private:
+    std::map<uint64_t, crypto::hash> m_points;
+  };
+}