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-rw-r--r--src/blockchain_db/berkeleydb/db_bdb.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/blockchain_db/berkeleydb/db_bdb.h b/src/blockchain_db/berkeleydb/db_bdb.h
index d7cbd24e7..5c6bda4eb 100644
--- a/src/blockchain_db/berkeleydb/db_bdb.h
+++ b/src/blockchain_db/berkeleydb/db_bdb.h
@@ -341,6 +341,15 @@ public:
virtual bool can_thread_bulk_indices() const { return false; }
#endif
+ /**
+ * @brief return a histogram of outputs on the blockchain
+ *
+ * @param amounts optional set of amounts to lookup
+ *
+ * @return a set of amount/instances
+ */
+ std::map<uint64_t, uint64_t> get_output_histogram(const std::vector<uint64_t> &amounts) const;
+
private:
virtual void add_block( const block& blk
, const size_t& block_size