Struct casper_execution_engine::storage::transaction_source::lmdb::LmdbEnvironment

pub struct LmdbEnvironment { /* fields omitted */ }

The environment for an LMDB-backed trie store.

Wraps lmdb::Environment.

Implementations

impl LmdbEnvironment

pub fn new<P: AsRef<Path>>(
    path: P,
    map_size: usize,
    max_readers: u32
) -> Result<Self, Error>

pub fn env(&self) -> &Environment

Trait Implementations

impl Debug for LmdbEnvironment

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a> TransactionSource<'a> for LmdbEnvironment

type Error = Error

An error which can occur while creating a read or read-write transaction.

type Handle = Database

An entity which is being read from or written to during a transaction.

type ReadTransaction = RoTransaction<'a>

Represents the type of read transactions.

type ReadWriteTransaction = RwTransaction<'a>

Represents the type of read-write transactions.

pub fn create_read_txn(&'a self) -> Result<RoTransaction<'a>, Self::Error>

Creates a read transaction.

pub fn create_read_write_txn(&'a self) -> Result<RwTransaction<'a>, Self::Error>

Creates a read-write transaction.