Function sc_client_api::cht::build_proof

pub fn build_proof<Header, Hasher, BlocksI, HashesI>(
    cht_size: Header::Number, 
    cht_num: Header::Number, 
    blocks: BlocksI, 
    hashes: HashesI
) -> ClientResult<StorageProof> where
    Header: HeaderT,
    Hasher: Hasher,
    Hasher::Out: Ord + Codec,
    BlocksI: IntoIterator<Item = Header::Number>,
    HashesI: IntoIterator<Item = ClientResult<Option<Header::Hash>>>, 

Build CHT-based header proof.