Function bp_header_chain::justification::verify_and_optimize_justification

pub fn verify_and_optimize_justification<Header: HeaderT>(
    finalized_target: (Header::Hash, Header::Number),
    context: &JustificationVerificationContext,
    justification: &mut GrandpaJustification<Header>
) -> Result<(), Error>

Verify and optimize given justification by removing unknown and duplicate votes.