Struct bp_header_chain::justification::AncestryChain

pub struct AncestryChain<Header: HeaderT> { /* private fields */ }

Votes ancestries with useful methods.

Implementations

impl<Header: HeaderT> AncestryChain<Header>

pub fn new( justification: &GrandpaJustification<Header> ) -> (AncestryChain<Header>, Vec<usize>)

Creates a new instance of AncestryChain starting from a GrandpaJustification.

Returns the AncestryChain and a Vec containing the votes_ancestries entries that were ignored when creating it, because they are duplicates.

pub fn parent_hash_of(&self, hash: &Header::Hash) -> Option<&Header::Hash>

Returns the hash of a block’s parent if the block is present in the ancestry.

pub fn ancestry( &self, precommit_target_hash: &Header::Hash, precommit_target_number: &Header::Number ) -> Option<Vec<Header::Hash>>

Returns a route if the precommit target block is a descendant of the base block.

Trait Implementations

impl<Header> Debug for AncestryChain<Header>

where Header: Debug + HeaderT,

fn fmt(&self, fmt: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.