Function phron_finality::data_io::legacy::data_provider::reduce_header_to_num    
source · pub fn reduce_header_to_num<B, C>(
    client: &C,
    header: B::Header,
    num: BlockNumber
) -> B::Headerwhere
    B: BlockT,
    B::Header: HeaderT<Number = BlockNumber>,
    C: HeaderBackend<B>,