ligo/src/proto_alpha/lib_delegate/client_baking_lib.ml
2018-06-27 10:57:21 +02:00

114 lines
4.3 KiB
OCaml

(**************************************************************************)
(* *)
(* Copyright (c) 2014 - 2016. *)
(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
(* *)
(* All rights reserved. No warranty, explicit or implicit, provided. *)
(* *)
(**************************************************************************)
open Proto_alpha
open Alpha_context
let bake_block (cctxt : #Proto_alpha.full)
?(chain = `Main) block
?threshold
?force ?max_priority ?(minimal_timestamp=false)
?src_sk ?src_pk delegate =
begin
match src_sk with
| None ->
Client_keys.get_key cctxt delegate >>=? fun (_, _, src_sk) ->
return src_sk
| Some sk -> return sk
end >>=? fun src_sk ->
begin
match src_pk with
| None ->
Client_keys.get_key cctxt delegate >>=? fun (_, src_pk, _) ->
return src_pk
| Some pk -> return pk
end >>=? fun src_pk ->
Alpha_services.Helpers.current_level
cctxt ~offset:1l (chain, block) >>=? fun level ->
let seed_nonce, seed_nonce_hash =
if level.expected_commitment then
let seed_nonce = Client_baking_forge.generate_seed_nonce () in
let seed_nonce_hash = Nonce.hash seed_nonce in
Some seed_nonce, Some seed_nonce_hash
else
None, None in
Client_baking_forge.forge_block cctxt
?timestamp:(if minimal_timestamp then None else Some (Time.now ()))
?threshold
?force
?seed_nonce_hash ~src_sk block
~priority:(`Auto (delegate, max_priority)) () >>=? fun block_hash ->
let src_pkh = Signature.Public_key.hash src_pk in
Client_baking_forge.State.record cctxt src_pkh level.level >>=? fun () ->
begin match seed_nonce with
| None -> return_unit
| Some seed_nonce ->
Client_baking_nonces.add cctxt block_hash seed_nonce
|> trace_exn (Failure "Error while recording block")
end >>=? fun () ->
cctxt#message "Injected block %a" Block_hash.pp_short block_hash >>= fun () ->
return_unit
let endorse_block cctxt delegate =
Client_keys.get_key cctxt delegate >>=? fun (_src_name, src_pk, src_sk) ->
Client_baking_endorsement.forge_endorsement cctxt
cctxt#block ~src_sk src_pk >>=? fun oph ->
cctxt#answer "Operation successfully injected in the node." >>= fun () ->
cctxt#answer "Operation hash is '%a'." Operation_hash.pp oph >>= fun () ->
return_unit
let get_predecessor_cycle (cctxt : #Client_context.printer) cycle =
match Cycle.pred cycle with
| None ->
if Cycle.(cycle = root) then
cctxt#error "No predecessor for the first cycle"
else
cctxt#error
"Cannot compute the predecessor of cycle %a"
Cycle.pp cycle
| Some cycle -> Lwt.return cycle
let do_reveal cctxt block blocks =
let nonces = List.map snd blocks in
Client_baking_revelation.forge_seed_nonce_revelation cctxt
block nonces >>=? fun () ->
Client_baking_nonces.dels cctxt (List.map fst blocks) >>=? fun () ->
return_unit
let reveal_block_nonces (cctxt : #Proto_alpha.full) block_hashes =
Lwt_list.filter_map_p
(fun hash ->
Lwt.catch
(fun () ->
Client_baking_blocks.info cctxt (`Hash (hash, 0)) >>= function
| Ok bi -> Lwt.return_some bi
| Error _ ->
Lwt.fail Not_found)
(fun _ ->
cctxt#warning
"Cannot find block %a in the chain. (ignoring)@."
Block_hash.pp_short hash >>= fun () ->
Lwt.return_none))
block_hashes >>= fun block_infos ->
filter_map_s (fun (bi : Client_baking_blocks.block_info) ->
Client_baking_nonces.find cctxt bi.hash >>=? function
| None ->
cctxt#warning "Cannot find nonces for block %a (ignoring)@."
Block_hash.pp_short bi.hash >>= fun () ->
return_none
| Some nonce ->
return_some (bi.hash, (bi.level, nonce)))
block_infos >>=? fun blocks ->
do_reveal cctxt cctxt#block blocks
let reveal_nonces cctxt () =
Client_baking_forge.get_unrevealed_nonces
cctxt cctxt#block >>=? fun nonces ->
do_reveal cctxt cctxt#block nonces