62 lines
2.6 KiB
OCaml
62 lines
2.6 KiB
OCaml
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(*****************************************************************************)
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(* *)
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(* Open Source License *)
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(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
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(* *)
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(* Permission is hereby granted, free of charge, to any person obtaining a *)
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(* copy of this software and associated documentation files (the "Software"),*)
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(* to deal in the Software without restriction, including without limitation *)
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(* the rights to use, copy, modify, merge, publish, distribute, sublicense, *)
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(* and/or sell copies of the Software, and to permit persons to whom the *)
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(* Software is furnished to do so, subject to the following conditions: *)
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(* *)
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(* The above copyright notice and this permission notice shall be included *)
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(* in all copies or substantial portions of the Software. *)
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(* *)
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(* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR*)
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(* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *)
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(* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *)
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(* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER*)
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(* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *)
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(* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *)
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(* DEALINGS IN THE SOFTWARE. *)
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(* *)
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(*****************************************************************************)
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include Compare.Int32
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type roll = t
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let encoding = Data_encoding.int32
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let first = 0l
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let succ i = Int32.succ i
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let random sequence ~bound =
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Seed_repr.take_int32 sequence bound
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let rpc_arg =
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RPC_arg.like
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RPC_arg.int32
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"roll"
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let to_int32 v = v
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module Index = struct
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type t = roll
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let path_length = 3
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let to_path roll l =
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(Int32.to_string @@ Int32.logand roll (Int32.of_int 0xff)) ::
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(Int32.to_string @@ Int32.logand (Int32.shift_right_logical roll 8) (Int32.of_int 0xff)) ::
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Int32.to_string roll :: l
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let of_path = function
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| _ :: _ :: s :: _ -> begin
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try Some (Int32.of_string s)
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with _ -> None
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end
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| _ -> None
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let rpc_arg = rpc_arg
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let encoding = encoding
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let compare = compare
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end
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