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(* Open Source License                                                       *)
(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com>     *)
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(** Storage for keys that have been authorized for baking. *)
module Authorized_key :
  Client_aliases.Alias with type t := Signature.public_key

(** [public_key cctxt pkh] returns the public key whose hash is [pkh]
    iff it is present if [cctxt]. *)
val public_key :
  #Client_context.wallet ->
  Signature.public_key_hash ->
  Signature.public_key tzresult Lwt.t

(** [sign cctxt req ?magic_bytes ~check_high_watermark ~require_auth]
    signs [req] and returns a signature. *)
val sign :
  #Client_context.wallet ->
  Signer_messages.Sign.Request.t ->
  ?magic_bytes:int list ->
  check_high_watermark:bool ->
  require_auth:bool ->
  Signature.t tzresult Lwt.t

(** [deterministic_nonce cctxt req ~require_auth] generates
    deterministically a nonce from [req.data]. *)
val deterministic_nonce :
  #Client_context.wallet ->
  Signer_messages.Deterministic_nonce.Request.t ->
  require_auth:bool ->
  Bigstring.t tzresult Lwt.t

(** [deterministic_nonce_hash cctxt req ~require_auth] generates
    deterministically a nonce from [req.data] and returns the hash of
    this nonce. *)
val deterministic_nonce_hash :
  #Client_context.wallet ->
  Signer_messages.Deterministic_nonce_hash.Request.t ->
  require_auth:bool ->
  Bytes.t tzresult Lwt.t

(** [supports_deterministic_nonces cctxt pkh] determines whether the signer
    provides the deterministic nonce functionality. *)
val supports_deterministic_nonces :
  #Client_context.wallet -> Signature.public_key_hash -> bool tzresult Lwt.t