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(* Open Source License                                                       *)
(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com>     *)
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open RPC_context

val bootstrapped:
  #streamed -> ((Block_hash.t * Time.t) Lwt_stream.t * stopper) tzresult Lwt.t

val valid_blocks:
  #streamed ->
  ?chains:Chain_services.chain list ->
  ?protocols:Protocol_hash.t list ->
  ?next_protocols:Protocol_hash.t list ->
  unit -> (((Chain_id.t * Block_hash.t) * Block_header.t) Lwt_stream.t * stopper) tzresult Lwt.t

val heads:
  #streamed ->
  ?next_protocols:Protocol_hash.t list ->
  Chain_services.chain ->
  ((Block_hash.t * Block_header.t) Lwt_stream.t * stopper) tzresult Lwt.t

val protocols:
  #streamed ->
  (Protocol_hash.t Lwt_stream.t * stopper) tzresult Lwt.t

module S : sig

  val bootstrapped:
    ([ `GET ], unit,
     unit, unit, unit,
     Block_hash.t * Time.t) RPC_service.t

  val valid_blocks:
    ([ `GET ], unit,
     unit, < chains : Chain_services.chain list;
             next_protocols : Protocol_hash.t list;
             protocols : Protocol_hash.t list >, unit,
     (Chain_id.t * Block_hash.t) * Block_header.t) RPC_service.t

  val heads:
    ([ `GET ], unit,
     unit * Chain_services.chain,
     < next_protocols : Protocol_hash.t list >, unit,
     Block_hash.t * Block_header.t) RPC_service.t

  val protocols:
    ([ `GET ], unit,
     unit, unit, unit,
     Protocol_hash.t) RPC_service.t

end