b6449cae87
* `lib_stdlib`: basic extended OCaml stdlib and generic data structures
* `lib_data_encoding`: almost independant 'Data_encoding'
* `lib_error_monad`: almost independant 'Error_monad'
* `lib_stdlib_lwt`: extended Lwt library
* `lib_crypto`: all the crypto stuff (hashing, signing, cryptobox).
* `lib_base`:
- basic type definitions (Block_header, Operation, ...)
- a module `TzPervasives` to bind them all and to be the
single module opened everywhere.
In the process, I splitted `Tezos_data` and `Hash` in multiple
submodules, thus removing a lot of `-open`.
The following two modules may not have found their place yet:
- Base58 (currently in `lib_crypto`)
- Cli_entries (currently in `lib_stdlib_lwt`)
91 lines
3.2 KiB
OCaml
91 lines
3.2 KiB
OCaml
(**************************************************************************)
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(* *)
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(* Copyright (c) 2014 - 2017. *)
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(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
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(* *)
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(* All rights reserved. No warranty, explicit or implicit, provided. *)
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(* *)
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(**************************************************************************)
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type shell_header = {
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level: Int32.t ;
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proto_level: int ; (* uint8 *)
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predecessor: Block_hash.t ;
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timestamp: Time.t ;
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validation_passes: int ; (* uint8 *)
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operations_hash: Operation_list_list_hash.t ;
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fitness: MBytes.t list ;
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}
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let shell_header_encoding =
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let open Data_encoding in
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conv
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(fun { level ; proto_level ; predecessor ;
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timestamp ; validation_passes ; operations_hash ; fitness } ->
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(level, proto_level, predecessor,
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timestamp, validation_passes, operations_hash, fitness))
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(fun (level, proto_level, predecessor,
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timestamp, validation_passes, operations_hash, fitness) ->
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{ level ; proto_level ; predecessor ;
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timestamp ; validation_passes ; operations_hash ; fitness })
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(obj7
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(req "level" int32)
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(req "proto" uint8)
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(req "predecessor" Block_hash.encoding)
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(req "timestamp" Time.encoding)
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(req "validation_pass" uint8)
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(req "operations_hash" Operation_list_list_hash.encoding)
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(req "fitness" Fitness.encoding))
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type t = {
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shell: shell_header ;
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proto: MBytes.t ;
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}
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let encoding =
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let open Data_encoding in
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conv
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(fun { shell ; proto } -> (shell, proto))
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(fun (shell, proto) -> { shell ; proto })
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(merge_objs
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shell_header_encoding
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(obj1 (req "data" Variable.bytes)))
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let pp fmt op =
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Format.pp_print_string fmt @@
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Data_encoding_ezjsonm.to_string (Data_encoding.Json.construct encoding op)
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let compare b1 b2 =
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let (>>) x y = if x = 0 then y () else x in
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let rec list compare xs ys =
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match xs, ys with
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| [], [] -> 0
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| _ :: _, [] -> -1
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| [], _ :: _ -> 1
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| x :: xs, y :: ys ->
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compare x y >> fun () -> list compare xs ys in
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Block_hash.compare b1.shell.predecessor b2.shell.predecessor >> fun () ->
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compare b1.proto b2.proto >> fun () ->
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Operation_list_list_hash.compare
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b1.shell.operations_hash b2.shell.operations_hash >> fun () ->
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Time.compare b1.shell.timestamp b2.shell.timestamp >> fun () ->
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list compare b1.shell.fitness b2.shell.fitness
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let equal b1 b2 = compare b1 b2 = 0
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let (=) = equal
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let (<>) x y = compare x y <> 0
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let (<) x y = compare x y < 0
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let (<=) x y = compare x y <= 0
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let (>=) x y = compare x y >= 0
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let (>) x y = compare x y > 0
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let min x y = if x <= y then x else y
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let max x y = if x <= y then y else x
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let to_bytes v = Data_encoding.Binary.to_bytes encoding v
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let of_bytes b = Data_encoding.Binary.of_bytes encoding b
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let of_bytes_exn b = Data_encoding.Binary.of_bytes_exn encoding b
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let hash block = Block_hash.hash_bytes [to_bytes block]
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let hash_raw bytes = Block_hash.hash_bytes [bytes]
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