Make.Block_headerSourcetype shell_header = Tezos_base.TzPervasives.Block_header.shell_header = {level : Int32.t;The number of preceding block in this chain, i.e. the genesis has level 0.
*)proto_level : int;The number of preceding protocol change in the chain (modulo 256), i.e. the genesis has proto_level 0.
*)predecessor : Block_hash.t;timestamp : Time.t;validation_passes : int;operations_hash : Operation_list_list_hash.t;fitness : Bytes.t list;context : Context_hash.t;}type t = Tezos_base.TzPervasives.Block_header.t = {shell : shell_header;protocol_data : bytes;}