1 files changed, 12 insertions, 0 deletions
diff --git a/src/include/taler_exchangedb_plugin.h b/src/include/taler_exchangedb_plugin.h
index 978c335d6..d55bd8d15 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -1488,6 +1488,18 @@ struct TALER_EXCHANGEDB_Plugin
                            void *cb_cls);
 
 
+  /**
+   * Function called to perform "garbage collection" on the
+   * database, expiring records we no longer require.
+   *
+   * @param cls closure
+   * @return #GNUNET_OK on success,
+   *         #GNUNET_NO if there was nothing to GC
+   *         #GNUNET_SYSERR on DB errors
+   */
+  int
+  (*gc) (void *cls);
+
 };