package tezos-protocol-alpha

You can search for identifiers within the package.
in-package search v0.2.0
tezos-protocol-alpha
Legend:
Page
Library
Module
Module type
Parameter
Class
Class type
Source
Source file `raw_level_repr.ml`

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
(*****************************************************************************)
(*                                                                           *)
(* 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.                                                 *)
(*                                                                           *)
(*****************************************************************************)

type t = int32

type raw_level = t

include (Compare.Int32 : Compare.S with type t := t)

module Set = Set.Make (Compare.Int32)
module Map = Map.Make (Compare.Int32)

let pp ppf level = Format.fprintf ppf "%ld" level

let rpc_arg =
  let construct raw_level = Int32.to_string raw_level in
  let destruct str =
    Int32.of_string_opt str |> Option.to_result ~none:"Cannot parse level"
  in
  RPC_arg.make
    ~descr:"A level integer"
    ~name:"block_level"
    ~construct
    ~destruct
    ()

let root = 0l

let succ = Int32.succ

let add l i =
  let x = Int32.add l (Int32.of_int i) in
  assert (Compare.Int32.(x >= 0l)) ;
  x

let sub l i =
  assert (Compare.Int.(i >= 0)) ;
  let res = Int32.sub l (Int32.of_int i) in
  if Compare.Int32.(res >= 0l) then Some res else None

let pred l = if l = 0l then None else Some (Int32.pred l)

let pred_dontreturnzero l = if l <= 1l then None else Some (Int32.pred l)

let diff = Int32.sub

let to_int32 l = l

let to_int32_non_negative l =
  match Bounded.Non_negative_int32.of_value l with
  | Some x -> x
  | _ -> assert false (* invariant: raw_levels are non-negative *)

type error += Unexpected_level of Int32.t (* `Permanent *)

let () =
  register_error_kind
    `Permanent
    ~id:"unexpected_level"
    ~title:"Unexpected level"
    ~description:"Level must be non-negative."
    ~pp:(fun ppf l ->
      Format.fprintf
        ppf
        "The level is %s but should be non-negative."
        (Int32.to_string l))
    Data_encoding.(obj1 (req "level" int32))
    (function Unexpected_level l -> Some l | _ -> None)
    (fun l -> Unexpected_level l)

let of_int32 l =
  let open Result_syntax in
  if Compare.Int32.(l >= 0l) then return l else tzfail (Unexpected_level l)

let of_int32_exn l =
  match of_int32 l with
  | Ok l -> l
  | Error _ -> invalid_arg "Level_repr.of_int32"

let of_int32_non_negative l =
  match of_int32 (Bounded.Non_negative_int32.to_value l) with
  | Ok l -> l
  | Error _ -> assert false (* invariant: raw_levels are non-negative *)

let encoding =
  Data_encoding.conv_with_guard
    ~schema:Data_encoding.positive_int32_schema
    to_int32
    (fun l ->
      match of_int32 l with
      | Ok l -> Ok l
      | Error _ -> Error "Level_repr.of_int32")
    Data_encoding.int32

module Index = struct
  type t = raw_level

  let path_length = 1

  let to_path level l = Int32.to_string level :: l

  let of_path = function [s] -> Int32.of_string_opt s | _ -> None

  let rpc_arg = rpc_arg

  let encoding = encoding

  let compare = compare
end
package tezos-protocol-alpha

Source file raw_level_repr.ml

Source file `raw_level_repr.ml`
