Trait frame_support::traits::FindAuthor

[+] Show declaration

pub trait FindAuthor<Author> {
    fn find_author<'a, I>(digests: I) -> Option<Author>
    where
        I: 'a + IntoIterator<Item = (ConsensusEngineId, &'a [u8])>;
}

[−] Expand description

A trait for finding the author of a block header based on the PreRuntime digests contained within it.

Required methods

fn find_author<'a, I>(digests: I) -> Option<Author> where
    I: 'a + IntoIterator<Item = (ConsensusEngineId, &'a [u8])>, [−]

Find the author of a block based on the pre-runtime digests.

Implementations on Foreign Types

impl<A> FindAuthor<A> for ()[−]

[+] Show hidden undocumented items

fn find_author<'a, I>(_: I) -> Option<A> where
    I: 'a + IntoIterator<Item = (ConsensusEngineId, &'a [u8])>, 

Implementors

impl<T: Config> FindAuthor<u32> for Pallet<T>

impl<T: Config, Inner: FindAuthor<u32>> FindAuthor<<T as Config>::ValidatorId> for FindAccountFromAuthorIndex<T, Inner>