Trait PreimageWriter 

pub trait PreimageWriter<H> {
    // Required method
    fn put(&mut self, image: H, preimage: Node<H>);
}

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

Required Methods

fn put(&mut self, image: H, preimage: Node<H>)

Store the preimage of a given hash

Implementors

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

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