Struct casper_execution_engine::storage::transaction_source::in_memory::InMemoryReadWriteTransaction

pub struct InMemoryReadWriteTransaction<'a> { /* fields omitted */ }

A read-write transaction for the in-memory trie store.

Implementations

impl<'a> InMemoryReadWriteTransaction<'a>

pub fn new(
    store: &'a InMemoryEnvironment
) -> Result<InMemoryReadWriteTransaction<'a>, Error>

Trait Implementations

impl<'a> Readable for InMemoryReadWriteTransaction<'a>

fn read(
    &self,
    handle: Self::Handle,
    key: &[u8]
) -> Result<Option<Vec<u8>>, Self::Error>

Returns the value from the corresponding key from a given Transaction::Handle.

impl<'a> Transaction for InMemoryReadWriteTransaction<'a>

type Error = Error

An error which can occur while reading or writing during a transaction, or committing the transaction.

type Handle = Option<String>

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

fn commit(self) -> Result<(), Self::Error>

Commits the transaction.

fn abort(self)

Aborts the transaction.

impl<'a> Writable for InMemoryReadWriteTransaction<'a>

fn write(
    &mut self,
    handle: Self::Handle,
    key: &[u8],
    value: &[u8]
) -> Result<(), Self::Error>

Inserts a key-value pair into a given Transaction::Handle.