Struct StoreSnapshot

pub struct StoreSnapshot { /* private fields */ }

A snapshot of the chain store.

Trait Implementations

impl ChainStore for StoreSnapshot

fn cache(&self) -> Option<&StoreCache>

Return cache reference

fn freezer(&self) -> Option<&Freezer>

Return freezer reference

fn get(&self, col: Col, key: &[u8]) -> Option<DBPinnableSlice<'_>>

Return the bytes associated with a key value and the given column family.

fn get_iter(&self, col: Col, mode: IteratorMode<'_>) -> DBIter<'_>

Return an iterator over the database key-value pairs in the given column family.

fn borrow_as_data_loader(&self) -> BorrowedDataLoaderWrapper<'_, Self>

Return the borrowed data loader wrapper

fn get_block(&self, h: &Byte32) -> Option<BlockView>

Get block by block header hash

fn get_block_header(&self, hash: &Byte32) -> Option<HeaderView>

Get header by block header hash

fn get_block_body(&self, hash: &Byte32) -> Vec<TransactionView>

Get block body by block header hash

fn get_unfrozen_block(&self, hash: &Byte32) -> Option<BlockView>

Get unfrozen block from ky-store with given hash

fn get_block_txs_hashes(&self, hash: &Byte32) -> Vec<Byte32>

Get all transaction-hashes in block body by block header hash

fn get_block_proposal_txs_ids( &self, hash: &Byte32, ) -> Option<ProposalShortIdVec>

Get proposal short id by block header hash

fn get_block_uncles(&self, hash: &Byte32) -> Option<UncleBlockVecView>

Get block uncles by block header hash

fn get_block_extension(&self, hash: &Byte32) -> Option<Bytes>

Get block extension by block header hash

fn get_block_ext(&self, block_hash: &Byte32) -> Option<BlockExt>

Get block ext by block header hash

fn get_block_hash(&self, number: BlockNumber) -> Option<Byte32>

Get block header hash by block number

fn get_block_number(&self, hash: &Byte32) -> Option<BlockNumber>

Get block number by block header hash

fn is_main_chain(&self, hash: &Byte32) -> bool

TODO(doc): @quake

fn get_tip_header(&self) -> Option<HeaderView>

TODO(doc): @quake

fn transaction_exists(&self, hash: &Byte32) -> bool

Returns true if the transaction confirmed in main chain.

fn get_transaction(&self, hash: &Byte32) -> Option<(TransactionView, Byte32)>

Get commit transaction and block hash by its hash

fn get_transaction_info(&self, hash: &Byte32) -> Option<TransactionInfo>

TODO(doc): @quake

fn get_transaction_with_info( &self, hash: &Byte32, ) -> Option<(TransactionView, TransactionInfo)>

Gets transaction and associated info with correspond hash

fn have_cell(&self, out_point: &OutPoint) -> bool

Return whether cell is live

fn get_cell(&self, out_point: &OutPoint) -> Option<CellMeta>

Gets cell meta data with out_point

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

TODO(doc): @quake

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

TODO(doc): @quake

fn get_current_epoch_ext(&self) -> Option<EpochExt>

Gets current epoch ext

fn get_epoch_ext(&self, hash: &Byte32) -> Option<EpochExt>

Gets epoch ext by epoch index

fn get_epoch_index(&self, number: EpochNumber) -> Option<Byte32>

Gets epoch index by epoch number

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

Gets epoch index by block hash

fn get_block_epoch(&self, hash: &Byte32) -> Option<EpochExt>

TODO(doc): @quake

fn is_uncle(&self, hash: &Byte32) -> bool

TODO(doc): @quake

fn get_uncle_header(&self, hash: &Byte32) -> Option<HeaderView>

Gets header by uncle header hash

fn block_exists(&self, hash: &Byte32) -> bool

TODO(doc): @quake

fn get_cellbase(&self, hash: &Byte32) -> Option<TransactionView>

Gets cellbase by block hash

fn get_latest_built_filter_data_block_hash(&self) -> Option<Byte32>

Gets latest built filter data block hash

fn get_block_filter(&self, hash: &Byte32) -> Option<Bytes>

Gets block filter data by block hash

fn get_block_filter_hash(&self, hash: &Byte32) -> Option<Byte32>

Gets block filter hash by block hash

fn get_packed_block(&self, hash: &Byte32) -> Option<Block>

Gets block bytes by block hash

fn get_packed_block_header(&self, hash: &Byte32) -> Option<Header>

Gets block header bytes by block hash

fn get_header_digest(&self, position_u64: u64) -> Option<HeaderDigest>

Gets a header digest.

fn get_ancestor(&self, base: &Byte32, number: BlockNumber) -> Option<HeaderView>

Gets ancestor block header by a base block hash and number