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(** The type of signers for operations injected by the injector *)
type signer = {
  alias : string;
  pkh : Signature.public_key_hash;
  pk : Signature.public_key;
  sk : Client_keys.sk_uri;
}

(** Retrieve a signer from the client wallet. *)
val get_signer :
  #Client_context.wallet -> Signature.public_key_hash -> signer tzresult Lwt.t