hotshot_query_service::data_source::fetching::leaf

Function fetch_leaf_with_callbacks

Source 
pub(super) async fn fetch_leaf_with_callbacks<Types, S, P, I>(
    tx: &mut impl AvailabilityStorage<Types>,
    fetcher: Arc<Fetcher<Types, S, P>>,
    req: LeafId<Types>,
    callbacks: I,
) -> Result<()>
where
    Types: NodeType,
    Header<Types>: QueryableHeader<Types>,
    Payload<Types>: QueryablePayload<Types>,
    S: VersionedDataSource + 'static,
    for<'a> S::Transaction<'a>: UpdateAvailabilityStorage<Types>,
    for<'a> S::ReadOnly<'a>: AvailabilityStorage<Types> + NodeStorage<Types> + PrunedHeightStorage,
    P: AvailabilityProvider<Types>,
    I: IntoIterator<Item = LeafCallback<Types, S, P>> + Send + 'static,
    I::IntoIter: Send,