Trait casper_execution_engine::storage::transaction_source::Readable

pub trait Readable: Transaction {
    // Required method
    fn read(
        &self,
        handle: Self::Handle,
        key: &[u8]
    ) -> Result<Option<Bytes>, Self::Error>;
}

A transaction with the capability to read from a given Handle.

Required Methods

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

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

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl<'a> Readable for RoTransaction<'a>

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

impl<'a> Readable for RwTransaction<'a>

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

Implementors

impl Readable for InMemoryReadTransaction

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