Type Alias BlockHash 

pub type BlockHash<T>
where
    T: Config,
 = StorageMap<_GeneratedPrefixForStorageBlockHash<T>, Twox64Concat, <<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number, <T as Config>::Hash, ValueQuery>;

Map of block numbers to block hashes.

Storage type is [StorageMap] with key type BlockNumberFor < T > and value type T :: Hash.

Aliased Type

pub struct BlockHash<T>(/* private fields */)
where
    T: Config;