ligo/vendors/ligo-utils/tezos-protocol-alpha/level_repr.mli
2020-02-17 13:10:51 +01:00

75 lines
3.5 KiB
OCaml

(*****************************************************************************)
(* *)
(* Open Source License *)
(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
(* *)
(* Permission is hereby granted, free of charge, to any person obtaining a *)
(* copy of this software and associated documentation files (the "Software"),*)
(* to deal in the Software without restriction, including without limitation *)
(* the rights to use, copy, modify, merge, publish, distribute, sublicense, *)
(* and/or sell copies of the Software, and to permit persons to whom the *)
(* Software is furnished to do so, subject to the following conditions: *)
(* *)
(* The above copyright notice and this permission notice shall be included *)
(* in all copies or substantial portions of the Software. *)
(* *)
(* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR*)
(* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *)
(* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *)
(* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER*)
(* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *)
(* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *)
(* DEALINGS IN THE SOFTWARE. *)
(* *)
(*****************************************************************************)
type t = private {
level : Raw_level_repr.t;
(** The level of the block relative to genesis. This
is also the Shell's notion of level. *)
level_position : int32;
(** The level of the block relative to the block that
starts protocol alpha. This is specific to the
protocol alpha. Other protocols might or might not
include a similar notion. *)
cycle : Cycle_repr.t;
(** The current cycle's number. Note that cycles are a
protocol-specific notion. As a result, the cycle
number starts at 0 with the first block of protocol
alpha. *)
cycle_position : int32;
(** The current level of the block relative to the first
block of the current cycle. *)
voting_period : Voting_period_repr.t;
voting_period_position : int32;
expected_commitment : bool;
}
(* Note that, the type `t` above must respect some invariants (hence the
`private` annotation). Notably:
level_position = cycle * blocks_per_cycle + cycle_position
*)
type level = t
include Compare.S with type t := level
val encoding : level Data_encoding.t
val pp : Format.formatter -> level -> unit
val pp_full : Format.formatter -> level -> unit
val root : Raw_level_repr.t -> level
val from_raw :
first_level:Raw_level_repr.t ->
blocks_per_cycle:int32 ->
blocks_per_voting_period:int32 ->
blocks_per_commitment:int32 ->
Raw_level_repr.t ->
level
val diff : level -> level -> int32