(*****************************************************************************)
(* *)
(* Open Source License *)
(* Copyright (c) 2022 Nomadic Labs, <contact@nomadic-labs.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*)
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(* DEALINGS IN THE SOFTWARE. *)
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(*****************************************************************************)
include Slot_manager_legacy
type error += Invalid_slot_size of {provided : int; expected : int}
let () =
register_error_kind
`Permanent
~id:"dal.node.invalid_slot_size"
~title:"Invalid slot size"
~description:"The size of the given slot is not as expected"
~pp:(fun ppf (provided, expected) ->
Format.fprintf
ppf
"The size (%d) of the given slot is not as expected (%d)"
provided
expected)
Data_encoding.(obj2 (req "provided" int31) (req "expected" int31))
(function
| Invalid_slot_size {provided; expected} -> Some (provided, expected)
| _ -> None)
(fun (provided, expected) -> Invalid_slot_size {provided; expected})
(* Used wrapper functions on top of Cryptobox. *)
let polynomial_from_slot cryptobox slot =
let open Result_syntax in
match Cryptobox.polynomial_from_slot cryptobox slot with
| Ok r -> return r
| Error (`Slot_wrong_size _) ->
let open Cryptobox in
let provided = Bytes.length slot in
let {slot_size = expected; _} = parameters cryptobox in
tzfail @@ Invalid_slot_size {provided; expected}
let commitment_should_exist node_store cryptobox commitment =
let open Lwt_result_syntax in
let*! exists =
Store.Legacy.exists_slot_by_commitment node_store cryptobox commitment
in
if not exists then fail `Not_found else return_unit
(* Main functions *)
let add_slots node_store slot cryptobox =
let open Lwt_result_syntax in
let*? polynomial = polynomial_from_slot cryptobox slot in
let commitment = Cryptobox.commit cryptobox polynomial in
let*! exists =
Store.Legacy.exists_slot_by_commitment node_store cryptobox commitment
in
let*! () =
if exists then Lwt.return_unit
else
Store.Legacy.add_slot_by_commitment node_store cryptobox slot commitment
in
return commitment
let add_slot_id node_store cryptobox commitment slot_id =
let open Lwt_result_syntax in
let* () = commitment_should_exist node_store cryptobox commitment in
let*! () =
Store.Legacy.associate_slot_id_with_commitment node_store commitment slot_id
in
return_unit
let find_slot node_store cryptobox commitment =
let open Lwt_result_syntax in
let*! slot_opt =
Store.Legacy.find_slot_by_commitment node_store cryptobox commitment
in
match slot_opt with
| None -> fail `Not_found
| Some slot_content -> return slot_content
let store_slot_headers ~block_level ~block_hash slot_headers node_store =
Store.Legacy.add_slot_headers ~block_level ~block_hash slot_headers node_store