Merge pull request #6140

08635a08 blockchain: speedup fetching pruned contiguous tx blobs (moneromooo-monero)

1 files changed, 16 insertions, 0 deletions

diff --git a/src/blockchain_db/blockchain_db.h b/src/blockchain_db/blockchain_db.h
index acd7976a8..e9fc85803 100644
--- a/src/blockchain_db/blockchain_db.h
+++ b/src/blockchain_db/blockchain_db.h
@@ -1275,6 +1275,22 @@ public:
   virtual bool get_pruned_tx_blob(const crypto::hash& h, cryptonote::blobdata &tx) const = 0;
 
   /**
+   * @brief fetches a number of pruned transaction blob from the given hash, in canonical blockchain order
+   *
+   * The subclass should return the pruned transactions stored from the one with the given
+   * hash.
+   *
+   * If the first transaction does not exist, the subclass should return false.
+   * If the first transaction exists, but there are fewer transactions starting with it
+   * than requested, the subclass should return false.
+   *
+   * @param h the hash to look for
+   *
+   * @return true iff the transactions were found
+   */
+  virtual bool get_pruned_tx_blobs_from(const crypto::hash& h, size_t count, std::vector<cryptonote::blobdata> &bd) const = 0;
+
+  /**
    * @brief fetches the prunable transaction blob with the given hash
    *
    * The subclass should return the prunable transaction stored which has the given