ligo/src/proto_alpha/lib_delegate/client_baking_nonces.ml
2018-06-30 17:41:32 +02:00

79 lines
3.3 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. *)
(* *)
(*****************************************************************************)
open Proto_alpha
open Alpha_context
type t = (Block_hash.t * Nonce.t) list
let encoding : t Data_encoding.t =
let open Data_encoding in
def "seed_nonce" @@
list
(obj2
(req "block" Block_hash.encoding)
(req "nonce" Nonce.encoding))
let name = "nonce"
let load (wallet : #Client_context.wallet) =
wallet#load ~default:[] name encoding
let save (wallet : #Client_context.wallet) list =
wallet#with_lock (fun () ->
wallet#write name list encoding)
let mem (wallet : #Client_context.wallet) block_hash =
wallet#with_lock (fun () ->
load wallet >>|? fun data ->
List.mem_assoc block_hash data)
let find (wallet : #Client_context.wallet) block_hash =
wallet#with_lock ( fun () ->
load wallet >>|? fun data ->
try Some (List.assoc block_hash data)
with Not_found -> None)
let add (wallet : #Client_context.wallet) block_hash nonce =
wallet#with_lock ( fun () ->
load wallet >>=? fun data ->
save wallet ((block_hash, nonce) ::
List.remove_assoc block_hash data))
let del (wallet : #Client_context.wallet) block_hash =
wallet#with_lock ( fun () ->
load wallet >>=? fun data ->
save wallet (List.remove_assoc block_hash data))
let dels (wallet : #Client_context.wallet) hashes =
wallet#with_lock ( fun () ->
load wallet >>=? fun data ->
save wallet @@
List.fold_left
(fun data hash -> List.remove_assoc hash data)
data hashes)