created lookup_tips method for backenddb

1 files changed, 38 insertions, 0 deletions

diff --git a/src/include/taler_merchantdb_plugin.h b/src/include/taler_merchantdb_plugin.h
index 6f3db87c..29550c4b 100644
--- a/src/include/taler_merchantdb_plugin.h
+++ b/src/include/taler_merchantdb_plugin.h
@@ -581,6 +581,21 @@ typedef void
 
 
 /**
+ * Typically called by `lookup_tips`.
+ *
+ * @param cls closure
+ * @param row_id row of the tip in the database
+ * @param tip_id id of the tip
+ * @param amount amount of the tip
+ */
+typedef void
+(*TALER_MERCHANTDB_TipsCallback)(void *cls,
+                                 uint64_t row_id,
+                                 struct GNUNET_HashCode tip_id,
+                                 struct TALER_Amount amount);
+
+
+/**
  * Function called with information about a coin that was deposited.
  *
  * @param cls closure
@@ -1848,6 +1863,29 @@ struct TALER_MERCHANTDB_Plugin
 
 
   /**
+   * Lookup tips
+   *
+   * @param cls closure, typically a connection to the db
+   * @param instance_id which instance should we lookup tips for
+   * @param expired should we include expired tips?
+   * @param limit maximum number of results to return, positive for
+   *   ascending row id, negative for descending
+   * @param offset row id to start returning results from
+   * @param cb function to call with tip data
+   * @param cb_cls closure for @a cb
+   * @return transaction status
+   */
+  enum GNUNET_DB_QueryStatus
+  (*lookup_tips)(void *cls,
+                 const char *instance_id,
+                 enum TALER_MERCHANTDB_YesNoAll expired,
+                 int64_t limit,
+                 uint64_t offset,
+                 TALER_MERCHANTDB_TipsCallback cb,
+                 void *cb_cls);
+
+
+  /**
    * Lookup tip details for tip @a tip_id.
    *
    * @param cls closure, typically a connection to the db