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open Alpha_context

val may_start_new_voting_cycle:
  context -> context tzresult Lwt.t

type error +=
  | Unexpected_proposal
  | Unauthorized_proposal
  | Too_many_proposals
  | Empty_proposal

val record_proposals:
  context ->
  public_key_hash -> Protocol_hash.t list ->
  context tzresult Lwt.t

type error +=
  | Invalid_proposal
  | Unexpected_ballot
  | Unauthorized_ballot

val record_ballot:
  context ->
  public_key_hash -> Protocol_hash.t -> Vote.ballot ->
  context tzresult Lwt.t