Struct ckb_store::data_loader_wrapper::DataLoaderWrapper

pub struct DataLoaderWrapper<'a, T>(_);

TODO(doc): @quake

Implementations

impl<'a, T: ChainStore<'a>> DataLoaderWrapper<'a, T>

pub fn new(source: &'a T) -> Self

TODO(doc): @quake

Trait Implementations

impl<'a, T: ChainStore<'a>> CellDataProvider for DataLoaderWrapper<'a, T>

fn get_cell_data(&self, out_point: &OutPoint) -> Option<Bytes>

fetch cell_data from storage

fn get_cell_data_hash(&self, out_point: &OutPoint) -> Option<Byte32>

fetch cell_data_hash from storage

fn load_cell_data(&self, cell: &CellMeta) -> Option<Bytes>

load cell_data from memory, fallback to storage access

fn load_cell_data_hash(&self, cell: &CellMeta) -> Option<Byte32>

load cell_data_hash from memory, fallback to storage access

impl<'a, T: ChainStore<'a>> EpochProvider for DataLoaderWrapper<'a, T>

fn get_epoch_ext(&self, header: &HeaderView) -> Option<EpochExt>

Gets corresponding EpochExt by block header

fn get_block_epoch(&self, header: &HeaderView) -> Option<BlockEpoch>

Gets corresponding epoch progress information by block header

impl<'a, T: ChainStore<'a>> HeaderProvider for DataLoaderWrapper<'a, T>

fn get_header(&self, block_hash: &Byte32) -> Option<HeaderView>

TODO(doc): @quake

fn timestamp_and_parent(&self, block_hash: &Byte32) -> (u64, u64, Byte32)

Return timestamp and block_number of the corresponding block_hash, and hash of parent block

fn block_median_time(
    &self,
    block_hash: &Byte32,
    median_block_count: usize
) -> u64

Return past block median time, including the timestamp of the given one