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(** A voting period can be of 4 kinds and is uniquely identified as a counter
    since the root. *)

type t
type voting_period = t
val encoding: voting_period Data_encoding.t
val rpc_arg: voting_period RPC_arg.arg
val pp: Format.formatter -> voting_period -> unit
include Compare.S with type t := voting_period

val to_int32: voting_period -> int32
val of_int32_exn: int32 -> voting_period

val root: voting_period
val succ: voting_period -> voting_period

type kind =
  | Proposal       (** protocols can be proposed *)
  | Testing_vote   (** a proposal can be voted *)
  | Testing        (** winning proposal is forked on a testnet *)
  | Promotion_vote (** activation can be voted *)

val kind_encoding: kind Data_encoding.t