Struct pos_ledger_db::backup::backup_handler::BackupHandler

impl BackupHandler

pub fn get_transaction_iter( &self, start_version: Version, num_transactions: usize ) -> Result<impl Iterator<Item = Result<(Transaction, TransactionInfo, Vec<ContractEvent>)>> + '_>

Gets an iterator that yields a range of transactions.

pub fn get_transaction_range_proof( &self, first_version: Version, last_version: Version ) -> Result<(TransactionAccumulatorRangeProof, LedgerInfoWithSignatures)>

Gets the proof for a transaction chunk. N.B. the LedgerInfo returned will always be in the same epoch of the last_version.

pub fn get_account_iter( &self, version: Version ) -> Result<Box<dyn Iterator<Item = Result<(HashValue, AccountStateBlob)>> + Send + Sync>>

Gets an iterator which can yield all accounts in the state tree.

pub fn get_account_state_range_proof( &self, rightmost_key: HashValue, version: Version ) -> Result<SparseMerkleRangeProof>

Gets the proof that proves a range of accounts.

pub fn get_db_state(&self) -> Result<Option<DbState>>

Gets the epoch, commited version, and synced version of the DB.

pub fn get_state_root_proof( &self, version: Version ) -> Result<(TransactionInfoWithProof, LedgerInfoWithSignatures)>

Gets the proof of the state root at specified version. N.B. the LedgerInfo returned will always be in the same epoch of the version.

pub fn get_epoch_ending_ledger_info_iter( &self, start_epoch: u64, end_epoch: u64 ) -> Result<impl Iterator<Item = Result<LedgerInfoWithSignatures>> + '_>

Trait Implementations§

impl Clone for BackupHandler

fn clone(&self) -> BackupHandler

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

Auto Trait Implementations§

impl UnwindSafe for BackupHandler

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