cardano::shelley::HeaderBody struct

A block header body header_body = [ block_number : uint , slot : uint , prev_hash : $hash32 / null , issuer_vkey : $vkey , vrf_vkey : $vrf_vkey , nonce_vrf : $vrf_cert , leader_vrf : $vrf_cert , block_body_size : uint , block_body_hash : $hash32 ; merkle triple root , operational_cert , protocol_version ].