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authorGavin Andresen <[email protected]>2011-09-08 12:51:43 -0400
committerGavin Andresen <[email protected]>2011-12-01 13:53:38 -0500
commit10fd7f66893fd62ab65f9302115834c441eb571b (patch)
treef427051302b0f120c99976effdc6761b7ff509aa /src/checkpoints.h
parentMoved checkpoints out of main, to prep for using them to help prevent DoS att... (diff)
downloaddiscoin-10fd7f66893fd62ab65f9302115834c441eb571b.tar.xz
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Orphan block fill-up-memory attack prevention
Diffstat (limited to 'src/checkpoints.h')
-rw-r--r--src/checkpoints.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/checkpoints.h b/src/checkpoints.h
index 32094fdde..9d52da404 100644
--- a/src/checkpoints.h
+++ b/src/checkpoints.h
@@ -4,7 +4,11 @@
#ifndef BITCOIN_CHECKPOINT_H
#define BITCOIN_CHECKPOINT_H
+#include <map>
+#include "util.h"
+
class uint256;
+class CBlockIndex;
//
// Block-chain checkpoints are compiled-in sanity checks.
@@ -17,6 +21,9 @@ namespace Checkpoints
// Return conservative estimate of total number of blocks, 0 if unknown
int GetTotalBlocksEstimate();
+
+ // Returns last CBlockIndex* in mapBlockIndex that is a checkpoint
+ CBlockIndex* GetLastCheckpoint(const std::map<uint256, CBlockIndex*>& mapBlockIndex);
}
#endif