48 lines
2.6 KiB
OCaml
48 lines
2.6 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 error +=
|
|
| Unknown of {
|
|
oldest : Cycle_repr.t;
|
|
cycle : Cycle_repr.t;
|
|
latest : Cycle_repr.t;
|
|
}
|
|
|
|
(* `Permanent *)
|
|
|
|
(** Generates the first [preserved_cycles+2] seeds for which
|
|
there are no nonces. *)
|
|
val init : Raw_context.t -> Raw_context.t tzresult Lwt.t
|
|
|
|
val for_cycle : Raw_context.t -> Cycle_repr.t -> Seed_repr.seed tzresult Lwt.t
|
|
|
|
(** If it is the end of the cycle, computes and stores the seed of cycle at
|
|
distance [preserved_cycle+2] in the future using the seed of the previous
|
|
cycle and the revelations of the current one. *)
|
|
val cycle_end :
|
|
Raw_context.t ->
|
|
Cycle_repr.t ->
|
|
(Raw_context.t * Nonce_storage.unrevealed list) tzresult Lwt.t
|