ligo/src/lib_base/operation.ml

82 lines
2.7 KiB
OCaml

(**************************************************************************)
(* *)
(* Copyright (c) 2014 - 2018. *)
(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
(* *)
(* All rights reserved. No warranty, explicit or implicit, provided. *)
(* *)
(**************************************************************************)
type shell_header = {
branch: Block_hash.t ;
}
let shell_header_encoding =
let open Data_encoding in
conv
(fun { branch } -> branch)
(fun branch -> { branch })
(obj1 (req "branch" Block_hash.encoding))
type t = {
shell: shell_header ;
proto: MBytes.t ;
}
include Compare.Make(struct
type nonrec t = t
let compare o1 o2 =
let (>>) x y = if x = 0 then y () else x in
Block_hash.compare o1.shell.branch o1.shell.branch >> fun () ->
MBytes.compare o1.proto o2.proto
end)
let encoding =
let open Data_encoding in
conv
(fun { shell ; proto } -> (shell, proto))
(fun (shell, proto) -> { shell ; proto })
(merge_objs
shell_header_encoding
(obj1 (req "data" Variable.bytes)))
let bounded_encoding ?max_size () =
match max_size with
| None -> encoding
| Some max_size -> Data_encoding.check_size max_size encoding
let bounded_list_encoding
?max_length ?max_size ?max_operation_size ?max_pass () =
let open Data_encoding in
let op_encoding = bounded_encoding ?max_size:max_operation_size () in
let op_list_encoding =
match max_size with
| None ->
Variable.list ?max_length (dynamic_size op_encoding)
| Some max_size ->
check_size max_size
(Variable.list ?max_length (dynamic_size op_encoding)) in
obj2
(req "operation_hashes_path"
(Operation_list_list_hash.bounded_path_encoding ?max_length:max_pass ()))
(req "operations" op_list_encoding)
let bounded_hash_list_encoding ?max_length ?max_pass () =
let open Data_encoding in
obj2
(req "operation_hashes_path"
(Operation_list_list_hash.bounded_path_encoding ?max_length:max_pass ()))
(req "operation_hashes" (Variable.list ?max_length Operation_hash.encoding))
let pp fmt op =
Data_encoding.Json.pp fmt
(Data_encoding.Json.construct encoding op)
let to_bytes v = Data_encoding.Binary.to_bytes_exn encoding v
let of_bytes b = Data_encoding.Binary.of_bytes encoding b
let of_bytes_exn b = Data_encoding.Binary.of_bytes_exn encoding b
let hash op = Operation_hash.hash_bytes [to_bytes op]
let hash_raw bytes = Operation_hash.hash_bytes [bytes]