Alpha: synchroinize apply and simulate wrt. gas

This commit is contained in:
Benjamin Canou 2018-06-29 15:15:38 +02:00
parent ffb3890f80
commit 3677550e4d

View File

@ -211,13 +211,43 @@ module Scripts = struct
let partial_precheck_manager_contents
(type kind) ctxt (op : kind Kind.manager contents)
: context tzresult Lwt.t =
let Manager_operation { source ; fee ; counter ; operation } = op in
let Manager_operation { source ; fee ; counter ; operation ; gas_limit ; storage_limit } = op in
Lwt.return (Gas.check_limit ctxt gas_limit) >>=? fun () ->
let ctxt = Gas.set_limit ctxt gas_limit in
Lwt.return (Fees.check_storage_limit ctxt storage_limit) >>=? fun () ->
Contract.must_be_allocated ctxt source >>=? fun () ->
Contract.check_counter_increment ctxt source counter >>=? fun () ->
begin
match operation with
| Reveal pk ->
Contract.reveal_manager_key ctxt source pk
| Transaction { parameters = Some arg ; _ } ->
(* Here the data comes already deserialized, so we need to fake the deserialization to mimic apply *)
let arg_bytes = Data_encoding.Binary.to_bytes_exn Script.lazy_expr_encoding arg in
let arg = match Data_encoding.Binary.of_bytes Script.lazy_expr_encoding arg_bytes with
| Some arg -> arg
| None -> assert false in
(* Fail quickly if not enough gas for minimal deserialization cost *)
Lwt.return @@ record_trace Apply.Gas_quota_exceeded_init_deserialize @@
Gas.check_enough ctxt (Script.minimal_deserialize_cost arg) >>=? fun () ->
(* Fail if not enough gas for complete deserialization cost *)
trace Apply.Gas_quota_exceeded_init_deserialize @@
Script.force_decode ctxt arg >>|? fun (_arg, ctxt) -> ctxt
| Origination { script = Some script ; _ } ->
(* Here the data comes already deserialized, so we need to fake the deserialization to mimic apply *)
let script_bytes = Data_encoding.Binary.to_bytes_exn Script.encoding script in
let script = match Data_encoding.Binary.of_bytes Script.encoding script_bytes with
| Some script -> script
| None -> assert false in
(* Fail quickly if not enough gas for minimal deserialization cost *)
Lwt.return @@ record_trace Apply.Gas_quota_exceeded_init_deserialize @@
(Gas.consume ctxt (Script.minimal_deserialize_cost script.code) >>? fun ctxt ->
Gas.check_enough ctxt (Script.minimal_deserialize_cost script.storage)) >>=? fun () ->
(* Fail if not enough gas for complete deserialization cost *)
trace Apply.Gas_quota_exceeded_init_deserialize @@
Script.force_decode ctxt script.code >>=? fun (_code, ctxt) ->
trace Apply.Gas_quota_exceeded_init_deserialize @@
Script.force_decode ctxt script.storage >>|? fun (_storage, ctxt) -> ctxt
| _ -> return ctxt
end >>=? fun ctxt ->
Contract.get_manager_key ctxt source >>=? fun _public_key ->