Trait PreimageReader 

pub trait PreimageReader<H> {
    // Required method
    fn get(&self, image: &H) -> Option<&Node<H>>;
}

The reader trait for a data store that maps hashes to preimages

Required Methods

fn get(&self, image: &H) -> Option<&Node<H>>

Get the preimage of a given hash

Implementors

impl<H: Eq + Hash> PreimageReader<H> for NoopDb

impl<H: HashType> PreimageReader<H> for MemDb<H>