Header (octez-shell-libs.Tezos_shell_services.Chain

val shell_header : 
  Tezos_rpc.Context.simple ->
  ?chain:Block_services.chain ->
  ?block:Block_services.block ->
  unit ->
  Tezos_base.Block_header.shell_header Tezos_base.TzPervasives.tzresult Lwt.t

val protocol_data : 
  Tezos_rpc.Context.simple ->
  ?chain:Block_services.chain ->
  ?block:Block_services.block ->
  unit ->
  Proto.block_header_data Tezos_base.TzPervasives.tzresult Lwt.t

val raw_protocol_data : 
  Tezos_rpc.Context.simple ->
  ?chain:Block_services.chain ->
  ?block:Block_services.block ->
  unit ->
  Tezos_base.TzPervasives.Bytes.t Tezos_base.TzPervasives.tzresult Lwt.t