Function polkadot_node_core_candidate_validation::find_validation_data

pub async fn find_validation_data<Sender>(
    sender: &mut Sender,
    descriptor: &CandidateDescriptor
) -> Result<Option<(PersistedValidationData, ValidationCode)>, ValidationFailed>where
    Sender: SubsystemSender<RuntimeApiMessage>,

Returns validation data for a given candidate.