ligo/src/bin_signer/handler.ml

36 lines
1.7 KiB
OCaml

(**************************************************************************)
(* *)
(* Copyright (c) 2014 - 2018. *)
(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
(* *)
(* All rights reserved. No warranty, explicit or implicit, provided. *)
(* *)
(**************************************************************************)
open Signer_messages
let log = Logging.Client.Sign.lwt_log_notice
let sign (cctxt : #Client_context.wallet) key data =
log "Request for signing %d bytes of data for key %s, magic byte = %02X"
(MBytes.length data)
key
(MBytes.get_uint8 data 0) >>= fun () ->
Client_keys.alias_keys cctxt key >>=? function
| None -> failwith "Unknown alias key (%s)" key
| Some (_, _, None) -> failwith "Unknown secret key (%s)" key
| Some (_, _, Some skloc) ->
log "Signing data for key %s" key >>= fun () ->
Client_keys.sign cctxt skloc data >>=? fun signature ->
return { Sign.Response.signature = signature }
let public_key (cctxt : #Client_context.wallet) key =
Client_keys.alias_keys cctxt key >>=? function
| None -> failwith "Unkown alias key (%s)" key
| Some (public_key_hash, _, _) ->
log "Found public key hash %a for key %s"
Signature.Public_key_hash.pp public_key_hash key >>= fun () ->
Client_keys.get_key cctxt public_key_hash >>=? fun (_, public_key, _) ->
log "Found public key for key %s" key >>= fun () ->
return { Public_key.Response.public_key }