Trait sp_consensus::block_import::JustificationImport

[+] Show declaration

pub trait JustificationImport<B: BlockT> {
    type Error: Error + Send + 'static;
    fn import_justification(
        &mut self, 
        hash: B::Hash, 
        number: NumberFor<B>, 
        justification: Justification
    ) -> Result<(), Self::Error>;

    fn on_start(&mut self) -> Vec<(B::Hash, NumberFor<B>)> { ... }
}

[−] Expand description

Justification import trait

Associated Types

type Error: Error + Send + 'static

Required methods

fn import_justification(
    &mut self,
    hash: B::Hash,
    number: NumberFor<B>,
    justification: Justification
) -> Result<(), Self::Error>[−]

Import a Block justification and finalize the given block.

Provided methods

fn on_start(&mut self) -> Vec<(B::Hash, NumberFor<B>)>[−]

Called by the import queue when it is started. Returns a list of justifications to request from the network.

Implementors

impl<BE, Block: BlockT, Client, SC> JustificationImport<Block> for GrandpaBlockImport<BE, Block, Client, SC> where     NumberFor<Block>: BlockNumberOps,     DigestFor<Block>: Encode,     BE: Backend<Block>,     Client: ClientForGrandpa<Block, BE>,     SC: SelectChain<Block>,