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

type t
type incremental = t

val predecessor: incremental -> Block.t
val header: incremental -> Block_header.t
val rev_tickets: incremental -> operation_receipt list
val level: incremental -> int32

val begin_construction:
  ?priority:int ->
  ?timestamp:Time.Protocol.t ->
  ?seed_nonce_hash: Nonce_hash.t ->
  ?policy:Block.baker_policy ->
  Block.t ->
  incremental tzresult Lwt.t

val add_operation:
  ?expect_failure:(error list -> unit tzresult Lwt.t) ->
  incremental -> Operation.packed -> incremental tzresult Lwt.t

val finalize_block: incremental -> Block.t tzresult Lwt.t

val rpc_ctxt: incremental Environment.RPC_context.simple