ticket_hash_builder.ml
(*****************************************************************************)
(* *)
(* Open Source License *)
(* Copyright (c) 2022 Trili Tech, <contact@trili.tech> *)
(* Copyright (c) 2022 Oxhead Alpha <info@oxhead-alpha.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 += Failed_to_hash_node
let () =
register_error_kind
`Branch
~id:"Failed_to_hash_node"
~title:"Failed to hash node"
~description:"Failed to hash node for a key in the ticket-balance table"
~pp:(fun ppf () ->
Format.fprintf
ppf
"Failed to hash node for a key in the ticket-balance table")
Data_encoding.empty
(function Failed_to_hash_node -> Some () | _ -> None)
(fun () -> Failed_to_hash_node)
(* No model is given. The original definition was a copy of
Global_constants_costs.expr_to_address_in_context_cost.
*)
let hash_bytes_cost = Global_constants_costs.expr_to_address_in_context_cost
let hash_of_node ctxt node =
let open Result_syntax in
let* ctxt =
Raw_context.consume_gas ctxt (Script_repr.strip_locations_cost node)
in
let node = Micheline.strip_locations node in
let* bytes =
Result.of_option
~error:(Error_monad.trace_of_error Failed_to_hash_node)
(Data_encoding.Binary.to_bytes_opt Script_repr.expr_encoding node)
in
let+ ctxt = Raw_context.consume_gas ctxt (hash_bytes_cost bytes) in
( Ticket_hash_repr.of_script_expr_hash @@ Script_expr_hash.hash_bytes [bytes],
ctxt )
let hash_of_node_uncarbonated node =
let open Result_syntax in
let node = Micheline.strip_locations node in
let+ bytes =
Result.of_option
~error:(Error_monad.trace_of_error Failed_to_hash_node)
(Data_encoding.Binary.to_bytes_opt Script_repr.expr_encoding node)
in
Ticket_hash_repr.of_script_expr_hash @@ Script_expr_hash.hash_bytes [bytes]
let make ctxt ~ticketer ~ty ~contents ~owner =
hash_of_node ctxt
@@ Micheline.Seq (Micheline.dummy_location, [ticketer; ty; contents; owner])
let make_uncarbonated ~ticketer ~ty ~contents ~owner =
hash_of_node_uncarbonated
@@ Micheline.Seq (Micheline.dummy_location, [ticketer; ty; contents; owner])
module Internal_for_tests = struct
let make_uncarbonated = make_uncarbonated
end