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-rw-r--r--src/include/taler_wire_plugin.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/include/taler_wire_plugin.h b/src/include/taler_wire_plugin.h
index 032052ee5..715f94d18 100644
--- a/src/include/taler_wire_plugin.h
+++ b/src/include/taler_wire_plugin.h
@@ -50,8 +50,9 @@ typedef void
* @param row_off identification of the position at which we are querying
* @param row_off_size number of bytes in @a row_off
* @param details details about the wire transfer
+ * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
*/
-typedef void
+typedef int
(*TALER_WIRE_HistoryResultCallback) (void *cls,
enum TALER_BANK_Direction dir,
const void *row_off,