Trait ethcore::client::traits::StateClient

source · [−]
pub trait StateClient {
    type State: StateInfo;
    fn latest_state_and_header(&self) -> (Self::State, Header);

    fn state_at(&self, id: BlockId) -> Option<Self::State>;
}
Expand description

Provides methods to access chain state

Associated Types

Type representing chain state

Required methods

Get a copy of the best block’s state and header.

Attempt to get a copy of a specific block’s final state.

This will not fail if given BlockId::Latest. Otherwise, this can fail (but may not) if the DB prunes state or the block is unknown.

Implementors