(*****************************************************************************)
(* *)
(* Open Source License *)
(* Copyright (c) 2020 Metastate AG <hello@metastate.ch> *)
(* *)
(* 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 Protocol
open Alpha_context
open Protocol_client_context
let to_json_and_bytes branch message =
let op =
( Environment.Operation.{branch},
Contents_list (Single (Failing_noop message)) )
in
let encoding = Operation.unsigned_encoding in
( Data_encoding.Json.construct encoding op,
Data_encoding.Binary.to_bytes_exn encoding op )
let sign_message (cctxt : #full) ~src_sk ~block ~message =
let json, bytes = to_json_and_bytes block message in
cctxt#message "signed content: @[%a@]" Data_encoding.Json.pp json
>>= fun () ->
Client_keys.sign cctxt ~watermark:Signature.Generic_operation src_sk bytes
let check_message (cctxt : #full) ~block ~key_locator ~quiet ~message ~signature
=
let json, bytes = to_json_and_bytes block message in
(if quiet then Lwt.return_unit
else cctxt#message "checked content: @[%a@]" Data_encoding.Json.pp json)
>>= fun () ->
Client_keys.check
~watermark:Signature.Generic_operation
key_locator
signature
bytes