Smart Contract Referenceaztec-nraztechistorynote_validitytestOn this pagetestStandalone Functions note_not_valid_due_to_non_inclusion note_not_valid_due_to_non_inclusion(); Takes no parameters. note_is_valid note_is_valid(); Takes no parameters. note_not_valid_due_to_nullification note_not_valid_due_to_nullification(); Takes no parameters.