2016-09-08 21:13:10 +04:00
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(**************************************************************************)
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(* *)
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(* Copyright (c) 2014 - 2016. *)
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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 t = int32
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type cycle = t
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let encoding = Data_encoding.int32
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let arg =
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let construct = Int32.to_string in
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let destruct str =
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match Int32.of_string str with
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| exception _ -> Error "Cannot parse cycle"
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| cycle -> Ok cycle in
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RPC.Arg.make
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~descr:"A cycle integer"
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~name: "block_cycle"
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~construct
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~destruct
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2016-10-16 23:57:29 +04:00
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()
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2016-09-08 21:13:10 +04:00
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let pp ppf cycle = Format.fprintf ppf "%ld" cycle
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include (Compare.Int32 : Compare.S with type t := t)
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let root = 0l
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let succ = Int32.succ
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let pred = function
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| 0l -> None
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| i -> Some (Int32.pred i)
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let to_int32 i = i
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let of_int32_exn l =
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if Compare.Int32.(l >= 0l)
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then l
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else invalid_arg "Level_repr.Cycle.of_int32"
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