https://gitlab.com/tezos/tezos
Tip revision: 0b1e6fe08728a4dffd585723abfe5a5587b91bc7 authored by iguerNL@Functori on 09 November 2022, 08:35:40 UTC
Proto/Dal+Scoru: automatically request DAL pages using SOL
Proto/Dal+Scoru: automatically request DAL pages using SOL
Tip revision: 0b1e6fe
apply.ml
(*****************************************************************************)
(* *)
(* Open Source License *)
(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
(* *)
(* Permission is hereby granted, free of charge, to any person obtaining a *)
(* copy of this software and associated documentation files (the "Software"),*)
(* to deal in the Software without restriction, including without limitation *)
(* the rights to use, copy, modify, merge, publish, distribute, sublicense, *)
(* and/or sell copies of the Software, and to permit persons to whom the *)
(* Software is furnished to do so, subject to the following conditions: *)
(* *)
(* The above copyright notice and this permission notice shall be included *)
(* in all copies or substantial portions of the Software. *)
(* *)
(* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR*)
(* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *)
(* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *)
(* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER*)
(* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *)
(* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *)
(* DEALINGS IN THE SOFTWARE. *)
(* *)
(*****************************************************************************)
(** Tezos Protocol Implementation - Main Entry Points *)
open Alpha_context
type error += Wrong_voting_period of Voting_period.t * Voting_period.t (* `Temporary *)
type error += Wrong_endorsement_predecessor of Block_hash.t * Block_hash.t (* `Temporary *)
type error += Duplicate_endorsement of Signature.Public_key_hash.t (* `Branch *)
type error += Invalid_endorsement_level
type error += Invalid_commitment of { expected: bool }
type error += Internal_operation_replay of packed_internal_operation
type error += Invalid_double_endorsement_evidence (* `Permanent *)
type error += Inconsistent_double_endorsement_evidence
of { delegate1: Signature.Public_key_hash.t ; delegate2: Signature.Public_key_hash.t } (* `Permanent *)
type error += Unrequired_double_endorsement_evidence (* `Branch*)
type error += Too_early_double_endorsement_evidence
of { level: Raw_level.t ; current: Raw_level.t } (* `Temporary *)
type error += Outdated_double_endorsement_evidence
of { level: Raw_level.t ; last: Raw_level.t } (* `Permanent *)
type error += Invalid_double_baking_evidence
of { hash1: Block_hash.t ;
level1: Int32.t ;
hash2: Block_hash.t ;
level2: Int32.t } (* `Permanent *)
type error += Inconsistent_double_baking_evidence
of { delegate1: Signature.Public_key_hash.t ; delegate2: Signature.Public_key_hash.t } (* `Permanent *)
type error += Unrequired_double_baking_evidence (* `Branch*)
type error += Too_early_double_baking_evidence
of { level: Raw_level.t ; current: Raw_level.t } (* `Temporary *)
type error += Outdated_double_baking_evidence
of { level: Raw_level.t ; last: Raw_level.t } (* `Permanent *)
type error += Invalid_activation of { pkh : Ed25519.Public_key_hash.t }
type error += Multiple_revelation
type error += Gas_quota_exceeded_init_deserialize (* Permanent *)
let () =
register_error_kind
`Temporary
~id:"operation.wrong_endorsement_predecessor"
~title:"Wrong endorsement predecessor"
~description:"Trying to include an endorsement in a block \
that is not the successor of the endorsed one"
~pp:(fun ppf (e, p) ->
Format.fprintf ppf "Wrong predecessor %a, expected %a"
Block_hash.pp p Block_hash.pp e)
Data_encoding.(obj2
(req "expected" Block_hash.encoding)
(req "provided" Block_hash.encoding))
(function Wrong_endorsement_predecessor (e, p) -> Some (e, p) | _ -> None)
(fun (e, p) -> Wrong_endorsement_predecessor (e, p)) ;
register_error_kind
`Temporary
~id:"operation.wrong_voting_period"
~title:"Wrong voting period"
~description:"Trying to onclude a proposal or ballot \
meant for another voting period"
~pp:(fun ppf (e, p) ->
Format.fprintf ppf "Wrong voting period %a, current is %a"
Voting_period.pp p Voting_period.pp e)
Data_encoding.(obj2
(req "current" Voting_period.encoding)
(req "provided" Voting_period.encoding))
(function Wrong_voting_period (e, p) -> Some (e, p) | _ -> None)
(fun (e, p) -> Wrong_voting_period (e, p));
register_error_kind
`Branch
~id:"operation.duplicate_endorsement"
~title:"Duplicate endorsement"
~description:"Two endorsements received from same delegate"
~pp:(fun ppf k ->
Format.fprintf ppf "Duplicate endorsement from delegate %a (possible replay attack)."
Signature.Public_key_hash.pp_short k)
Data_encoding.(obj1 (req "delegate" Signature.Public_key_hash.encoding))
(function Duplicate_endorsement k -> Some k | _ -> None)
(fun k -> Duplicate_endorsement k);
register_error_kind
`Temporary
~id:"operation.invalid_endorsement_level"
~title:"Unexpected level in endorsement"
~description:"The level of an endorsement is inconsistent with the \
\ provided block hash."
~pp:(fun ppf () ->
Format.fprintf ppf "Unexpected level in endorsement.")
Data_encoding.unit
(function Invalid_endorsement_level -> Some () | _ -> None)
(fun () -> Invalid_endorsement_level) ;
register_error_kind
`Permanent
~id:"block.invalid_commitment"
~title:"Invalid commitment in block header"
~description:"The block header has invalid commitment."
~pp:(fun ppf expected ->
if expected then
Format.fprintf ppf "Missing seed's nonce commitment in block header."
else
Format.fprintf ppf "Unexpected seed's nonce commitment in block header.")
Data_encoding.(obj1 (req "expected" bool))
(function Invalid_commitment { expected } -> Some expected | _ -> None)
(fun expected -> Invalid_commitment { expected }) ;
register_error_kind
`Permanent
~id:"internal_operation_replay"
~title:"Internal operation replay"
~description:"An internal operation was emitted twice by a script"
~pp:(fun ppf (Internal_operation { nonce ; _ }) ->
Format.fprintf ppf "Internal operation %d was emitted twice by a script" nonce)
Operation.internal_operation_encoding
(function Internal_operation_replay op -> Some op | _ -> None)
(fun op -> Internal_operation_replay op) ;
register_error_kind
`Permanent
~id:"block.invalid_double_endorsement_evidence"
~title:"Invalid double endorsement evidence"
~description:"A double-endorsement evidence is malformed"
~pp:(fun ppf () ->
Format.fprintf ppf "Malformed double-endorsement evidence")
Data_encoding.empty
(function Invalid_double_endorsement_evidence -> Some () | _ -> None)
(fun () -> Invalid_double_endorsement_evidence) ;
register_error_kind
`Permanent
~id:"block.inconsistent_double_endorsement_evidence"
~title:"Inconsistent double endorsement evidence"
~description:"A double-endorsement evidence is inconsistent \
\ (two distinct delegates)"
~pp:(fun ppf (delegate1, delegate2) ->
Format.fprintf ppf
"Inconsistent double-endorsement evidence \
\ (distinct delegate: %a and %a)"
Signature.Public_key_hash.pp_short delegate1
Signature.Public_key_hash.pp_short delegate2)
Data_encoding.(obj2
(req "delegate1" Signature.Public_key_hash.encoding)
(req "delegate2" Signature.Public_key_hash.encoding))
(function
| Inconsistent_double_endorsement_evidence { delegate1 ; delegate2 } ->
Some (delegate1, delegate2)
| _ -> None)
(fun (delegate1, delegate2) ->
Inconsistent_double_endorsement_evidence { delegate1 ; delegate2 }) ;
register_error_kind
`Branch
~id:"block.unrequired_double_endorsement_evidence"
~title:"Unrequired double endorsement evidence"
~description:"A double-endorsement evidence is unrequired"
~pp:(fun ppf () ->
Format.fprintf ppf "A valid double-endorsement operation cannot \
\ be applied: the associated delegate \
\ has previously been denunciated in this cycle.")
Data_encoding.empty
(function Unrequired_double_endorsement_evidence -> Some () | _ -> None)
(fun () -> Unrequired_double_endorsement_evidence) ;
register_error_kind
`Temporary
~id:"block.too_early_double_endorsement_evidence"
~title:"Too early double endorsement evidence"
~description:"A double-endorsement evidence is in the future"
~pp:(fun ppf (level, current) ->
Format.fprintf ppf
"A double-endorsement evidence is in the future \
\ (current level: %a, endorsement level: %a)"
Raw_level.pp current
Raw_level.pp level)
Data_encoding.(obj2
(req "level" Raw_level.encoding)
(req "current" Raw_level.encoding))
(function
| Too_early_double_endorsement_evidence { level ; current } ->
Some (level, current)
| _ -> None)
(fun (level, current) ->
Too_early_double_endorsement_evidence { level ; current }) ;
register_error_kind
`Permanent
~id:"block.outdated_double_endorsement_evidence"
~title:"Outdated double endorsement evidence"
~description:"A double-endorsement evidence is outdated."
~pp:(fun ppf (level, last) ->
Format.fprintf ppf
"A double-endorsement evidence is outdated \
\ (last acceptable level: %a, endorsement level: %a)"
Raw_level.pp last
Raw_level.pp level)
Data_encoding.(obj2
(req "level" Raw_level.encoding)
(req "last" Raw_level.encoding))
(function
| Outdated_double_endorsement_evidence { level ; last } ->
Some (level, last)
| _ -> None)
(fun (level, last) ->
Outdated_double_endorsement_evidence { level ; last }) ;
register_error_kind
`Permanent
~id:"block.invalid_double_baking_evidence"
~title:"Invalid double baking evidence"
~description:"A double-baking evidence is inconsistent \
\ (two distinct level)"
~pp:(fun ppf (hash1, level1, hash2, level2) ->
Format.fprintf ppf
"Invalid double-baking evidence (hash: %a and %a, levels: %ld and %ld)"
Block_hash.pp hash1 Block_hash.pp hash2
level1 level2)
Data_encoding.(obj4
(req "hash1" Block_hash.encoding)
(req "level1" int32)
(req "hash2" Block_hash.encoding)
(req "level2" int32))
(function
| Invalid_double_baking_evidence { hash1 ; level1 ; hash2 ; level2 } ->
Some (hash1, level1, hash2, level2)
| _ -> None)
(fun (hash1, level1, hash2, level2) ->
Invalid_double_baking_evidence { hash1 ; level1 ; hash2 ; level2 }) ;
register_error_kind
`Permanent
~id:"block.inconsistent_double_baking_evidence"
~title:"Inconsistent double baking evidence"
~description:"A double-baking evidence is inconsistent \
\ (two distinct delegates)"
~pp:(fun ppf (delegate1, delegate2) ->
Format.fprintf ppf
"Inconsistent double-baking evidence \
\ (distinct delegate: %a and %a)"
Signature.Public_key_hash.pp_short delegate1
Signature.Public_key_hash.pp_short delegate2)
Data_encoding.(obj2
(req "delegate1" Signature.Public_key_hash.encoding)
(req "delegate2" Signature.Public_key_hash.encoding))
(function
| Inconsistent_double_baking_evidence { delegate1 ; delegate2 } ->
Some (delegate1, delegate2)
| _ -> None)
(fun (delegate1, delegate2) ->
Inconsistent_double_baking_evidence { delegate1 ; delegate2 }) ;
register_error_kind
`Branch
~id:"block.unrequired_double_baking_evidence"
~title:"Unrequired double baking evidence"
~description:"A double-baking evidence is unrequired"
~pp:(fun ppf () ->
Format.fprintf ppf "A valid double-baking operation cannot \
\ be applied: the associated delegate \
\ has previously been denunciated in this cycle.")
Data_encoding.empty
(function Unrequired_double_baking_evidence -> Some () | _ -> None)
(fun () -> Unrequired_double_baking_evidence) ;
register_error_kind
`Temporary
~id:"block.too_early_double_baking_evidence"
~title:"Too early double baking evidence"
~description:"A double-baking evidence is in the future"
~pp:(fun ppf (level, current) ->
Format.fprintf ppf
"A double-baking evidence is in the future \
\ (current level: %a, baking level: %a)"
Raw_level.pp current
Raw_level.pp level)
Data_encoding.(obj2
(req "level" Raw_level.encoding)
(req "current" Raw_level.encoding))
(function
| Too_early_double_baking_evidence { level ; current } ->
Some (level, current)
| _ -> None)
(fun (level, current) ->
Too_early_double_baking_evidence { level ; current }) ;
register_error_kind
`Permanent
~id:"block.outdated_double_baking_evidence"
~title:"Outdated double baking evidence"
~description:"A double-baking evidence is outdated."
~pp:(fun ppf (level, last) ->
Format.fprintf ppf
"A double-baking evidence is outdated \
\ (last acceptable level: %a, baking level: %a)"
Raw_level.pp last
Raw_level.pp level)
Data_encoding.(obj2
(req "level" Raw_level.encoding)
(req "last" Raw_level.encoding))
(function
| Outdated_double_baking_evidence { level ; last } ->
Some (level, last)
| _ -> None)
(fun (level, last) ->
Outdated_double_baking_evidence { level ; last }) ;
register_error_kind
`Permanent
~id:"operation.invalid_activation"
~title:"Invalid activation"
~description:"The given key and secret do not correspond to any \
existing preallocated contract"
~pp:(fun ppf pkh ->
Format.fprintf ppf "Invalid activation. The public key %a does \
not match any commitment."
Ed25519.Public_key_hash.pp pkh
)
Data_encoding.(obj1 (req "pkh" Ed25519.Public_key_hash.encoding))
(function Invalid_activation { pkh } -> Some pkh | _ -> None)
(fun pkh -> Invalid_activation { pkh } ) ;
register_error_kind
`Permanent
~id:"block.multiple_revelation"
~title:"Multiple revelations were included in a manager operation"
~description:"A manager operation should not contain more than one revelation"
~pp:(fun ppf () ->
Format.fprintf ppf
"Multiple revelations were included in a manager operation")
Data_encoding.empty
(function Multiple_revelation -> Some () | _ -> None)
(fun () -> Multiple_revelation) ;
register_error_kind
`Permanent
~id:"gas_exhausted.init_deserialize"
~title:"Not enough gas for initial deserialization of script expresions"
~description:"Gas limit was not high enough to deserialize the \
transaction parameters or origination script code or \
initial storage, making the operation impossible to \
parse within the provided gas bounds."
Data_encoding.empty
(function Gas_quota_exceeded_init_deserialize -> Some () | _ -> None)
(fun () -> Gas_quota_exceeded_init_deserialize)
open Apply_results
let apply_manager_operation_content :
type kind.
( Alpha_context.t -> Script_ir_translator.unparsing_mode -> payer:Contract.t -> source:Contract.t ->
internal:bool -> kind manager_operation ->
(context * kind successful_manager_operation_result * packed_internal_operation list) tzresult Lwt.t ) =
fun ctxt mode ~payer ~source ~internal operation ->
let before_operation =
(* This context is not used for backtracking. Only to compute
gas consumption and originations for the operation result. *)
ctxt in
Contract.must_exist ctxt source >>=? fun () ->
let spend =
(* Ignore the spendable flag for smart contracts. *)
if internal then Contract.spend_from_script else Contract.spend in
let set_delegate =
(* Ignore the delegatable flag for smart contracts. *)
if internal then Delegate.set_from_script else Delegate.set in
Lwt.return (Gas.consume ctxt Michelson_v1_gas.Cost_of.manager_operation) >>=? fun ctxt ->
match operation with
| Reveal _ ->
return (* No-op: action already performed by `precheck_manager_contents`. *)
(ctxt, (Reveal_result { consumed_gas = Gas.consumed ~since:before_operation ~until:ctxt } : kind successful_manager_operation_result), [])
| Transaction { amount ; parameters ; destination } -> begin
spend ctxt source amount >>=? fun ctxt ->
begin match Contract.is_implicit destination with
| None -> return (ctxt, [], false)
| Some _ ->
Contract.allocated ctxt destination >>=? function
| true -> return (ctxt, [], false)
| false ->
Fees.origination_burn ctxt >>=? fun (ctxt, origination_burn) ->
return (ctxt, [ Delegate.Contract payer, Delegate.Debited origination_burn ], true)
end >>=? fun (ctxt, maybe_burn_balance_update, allocated_destination_contract) ->
Contract.credit ctxt destination amount >>=? fun ctxt ->
Contract.get_script ctxt destination >>=? fun (ctxt, script) ->
match script with
| None -> begin
match parameters with
| None -> return ctxt
| Some arg ->
Script.force_decode ctxt arg >>=? fun (arg, ctxt) -> (* see [note] *)
(* [note]: for toplevel ops, cost is nil since the
lazy value has already been forced at precheck, so
we compute and consume the full cost again *)
let cost_arg = Script.deserialized_cost arg in
Lwt.return (Gas.consume ctxt cost_arg) >>=? fun ctxt ->
match Micheline.root arg with
| Prim (_, D_Unit, [], _) ->
(* Allow [Unit] parameter to non-scripted contracts. *)
return ctxt
| _ -> fail (Script_interpreter.Bad_contract_parameter destination)
end >>=? fun ctxt ->
let result =
Transaction_result
{ storage = None ;
big_map_diff = None;
balance_updates =
Delegate.cleanup_balance_updates
([ Delegate.Contract source, Delegate.Debited amount ;
Contract destination, Credited amount ]
@ maybe_burn_balance_update) ;
originated_contracts = [] ;
consumed_gas = Gas.consumed ~since:before_operation ~until:ctxt ;
storage_size = Z.zero ;
paid_storage_size_diff = Z.zero ;
allocated_destination_contract ;
} in
return (ctxt, result, [])
| Some script ->
begin match parameters with
| None ->
(* Forge a [Unit] parameter that will be checked by [execute]. *)
let unit = Micheline.strip_locations (Prim (0, Script.D_Unit, [], [])) in
return (ctxt, unit)
| Some parameters ->
Script.force_decode ctxt parameters >>=? fun (arg, ctxt) -> (* see [note] *)
let cost_arg = Script.deserialized_cost arg in
Lwt.return (Gas.consume ctxt cost_arg) >>=? fun ctxt ->
return (ctxt, arg)
end >>=? fun (ctxt, parameter) ->
Script_interpreter.execute
ctxt mode
~source ~payer ~self:(destination, script) ~amount ~parameter
>>=? fun { ctxt ; storage ; big_map_diff ; operations } ->
Contract.update_script_storage
ctxt destination storage big_map_diff >>=? fun ctxt ->
Fees.record_paid_storage_space
ctxt destination >>=? fun (ctxt, new_size, paid_storage_size_diff, fees) ->
Contract.originated_from_current_nonce
~since: before_operation
~until: ctxt >>=? fun originated_contracts ->
let result =
Transaction_result
{ storage = Some storage ;
big_map_diff;
balance_updates =
Delegate.cleanup_balance_updates
[ Contract payer, Debited fees ;
Contract source, Debited amount ;
Contract destination, Credited amount ] ;
originated_contracts ;
consumed_gas = Gas.consumed ~since:before_operation ~until:ctxt ;
storage_size = new_size ;
paid_storage_size_diff ;
allocated_destination_contract } in
return (ctxt, result, operations)
end
| Origination { manager ; delegate ; script ; preorigination ;
spendable ; delegatable ; credit } ->
begin match script with
| None -> return (None, ctxt)
| Some script ->
Script.force_decode ctxt script.storage >>=? fun (unparsed_storage, ctxt) -> (* see [note] *)
Lwt.return (Gas.consume ctxt (Script.deserialized_cost unparsed_storage)) >>=? fun ctxt ->
Script.force_decode ctxt script.code >>=? fun (unparsed_code, ctxt) -> (* see [note] *)
Lwt.return (Gas.consume ctxt (Script.deserialized_cost unparsed_code)) >>=? fun ctxt ->
Script_ir_translator.parse_script ctxt script >>=? fun (_, ctxt) ->
Script_ir_translator.erase_big_map_initialization ctxt Optimized script >>=? fun (script, big_map_diff, ctxt) ->
return (Some (script, big_map_diff), ctxt)
end >>=? fun (script, ctxt) ->
spend ctxt source credit >>=? fun ctxt ->
begin match preorigination with
| Some contract ->
assert internal ;
(* The preorigination field is only used to early return
the address of an originated contract in Michelson.
It cannot come from the outside. *)
return (ctxt, contract)
| None ->
Contract.fresh_contract_from_current_nonce ctxt
end >>=? fun (ctxt, contract) ->
Contract.originate ctxt contract
~manager ~delegate ~balance:credit
?script
~spendable ~delegatable >>=? fun ctxt ->
Fees.origination_burn ctxt >>=? fun (ctxt, origination_burn) ->
Fees.record_paid_storage_space ctxt contract >>=? fun (ctxt, size, paid_storage_size_diff, fees) ->
let result =
Origination_result
{ balance_updates =
Delegate.cleanup_balance_updates
[ Contract payer, Debited fees ;
Contract payer, Debited origination_burn ;
Contract source, Debited credit ;
Contract contract, Credited credit ] ;
originated_contracts = [ contract ] ;
consumed_gas = Gas.consumed ~since:before_operation ~until:ctxt ;
storage_size = size ;
paid_storage_size_diff } in
return (ctxt, result, [])
| Delegation delegate ->
set_delegate ctxt source delegate >>=? fun ctxt ->
return (ctxt, Delegation_result { consumed_gas = Gas.consumed ~since:before_operation ~until:ctxt }, [])
let apply_internal_manager_operations ctxt mode ~payer ops =
let rec apply ctxt applied worklist =
match worklist with
| [] -> Lwt.return (`Success ctxt, List.rev applied)
| (Internal_operation
({ source ; operation ; nonce } as op)) :: rest ->
begin
if internal_nonce_already_recorded ctxt nonce then
fail (Internal_operation_replay (Internal_operation op))
else
let ctxt = record_internal_nonce ctxt nonce in
apply_manager_operation_content
ctxt mode ~source ~payer ~internal:true operation
end >>= function
| Error errors ->
let result =
Internal_operation_result (op, Failed (manager_kind op.operation, errors)) in
let skipped =
List.rev_map
(fun (Internal_operation op) ->
Internal_operation_result (op, Skipped (manager_kind op.operation)))
rest in
Lwt.return (`Failure, List.rev (skipped @ (result :: applied)))
| Ok (ctxt, result, emitted) ->
apply ctxt
(Internal_operation_result (op, Applied result) :: applied)
(rest @ emitted) in
apply ctxt [] ops
let precheck_manager_contents
(type kind) ctxt chain_id raw_operation (op : kind Kind.manager contents)
: context tzresult Lwt.t =
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 ; _ } ->
(* Fail quickly if not enough gas for minimal deserialization cost *)
Lwt.return @@ record_trace 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 Gas_quota_exceeded_init_deserialize @@
Script.force_decode ctxt arg >>|? fun (_arg, ctxt) -> ctxt
| Origination { script = Some script ; _ } ->
(* Fail quickly if not enough gas for minimal deserialization cost *)
Lwt.return @@ record_trace 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 Gas_quota_exceeded_init_deserialize @@
Script.force_decode ctxt script.code >>=? fun (_code, ctxt) ->
trace 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 ->
(* Currently, the `raw_operation` only contains one signature, so
all operations are required to be from the same manager. This may
change in the future, allowing several managers to group-sign a
sequence of transactions. *)
Operation.check_signature public_key chain_id raw_operation >>=? fun () ->
Contract.increment_counter ctxt source >>=? fun ctxt ->
Contract.spend ctxt source fee >>=? fun ctxt ->
add_fees ctxt fee >>=? fun ctxt ->
return ctxt
let apply_manager_contents
(type kind) ctxt mode (op : kind Kind.manager contents)
: ([ `Success of context | `Failure ] *
kind manager_operation_result *
packed_internal_operation_result list) Lwt.t =
let Manager_operation
{ source ; operation ; gas_limit ; storage_limit } = op in
let ctxt = Gas.set_limit ctxt gas_limit in
let ctxt = Fees.start_counting_storage_fees ctxt in
apply_manager_operation_content ctxt mode
~source ~payer:source ~internal:false operation >>= function
| Ok (ctxt, operation_results, internal_operations) -> begin
apply_internal_manager_operations
ctxt mode ~payer:source internal_operations >>= function
| (`Success ctxt, internal_operations_results) -> begin
Fees.burn_storage_fees ctxt ~storage_limit ~payer:source >>= function
| Ok ctxt ->
Lwt.return
(`Success ctxt, Applied operation_results, internal_operations_results)
| Error errors ->
Lwt.return
(`Failure, Backtracked (operation_results, Some errors), internal_operations_results)
end
| (`Failure, internal_operations_results) ->
Lwt.return
(`Failure, Applied operation_results, internal_operations_results)
end
| Error errors ->
Lwt.return
(`Failure, Failed (manager_kind operation, errors), [])
let skipped_operation_result
: type kind. kind manager_operation -> kind manager_operation_result
= function operation ->
match operation with
| Reveal _ ->
Applied ( Reveal_result { consumed_gas = Z.zero } : kind successful_manager_operation_result )
| _ -> Skipped (manager_kind operation)
let rec mark_skipped
: type kind.
baker : Signature.Public_key_hash.t -> Level.t -> kind Kind.manager contents_list ->
kind Kind.manager contents_result_list = fun ~baker level -> function
| Single (Manager_operation { source ; fee ; operation } ) ->
Single_result
(Manager_operation_result
{ balance_updates =
Delegate.cleanup_balance_updates
[ Contract source, Debited fee ;
Fees (baker, level.cycle), Credited fee ] ;
operation_result = skipped_operation_result operation ;
internal_operation_results = [] })
| Cons (Manager_operation { source ; fee ; operation } , rest) ->
Cons_result
(Manager_operation_result {
balance_updates =
Delegate.cleanup_balance_updates
[ Contract source, Debited fee ;
Fees (baker, level.cycle), Credited fee ] ;
operation_result = skipped_operation_result operation ;
internal_operation_results = [] },
mark_skipped ~baker level rest)
let rec precheck_manager_contents_list
: type kind.
Alpha_context.t -> Chain_id.t -> _ Operation.t -> kind Kind.manager contents_list ->
context tzresult Lwt.t =
fun ctxt chain_id raw_operation contents_list ->
match contents_list with
| Single (Manager_operation _ as op) ->
precheck_manager_contents ctxt chain_id raw_operation op
| Cons (Manager_operation _ as op, rest) ->
precheck_manager_contents ctxt chain_id raw_operation op >>=? fun ctxt ->
precheck_manager_contents_list ctxt chain_id raw_operation rest
let rec apply_manager_contents_list_rec
: type kind.
Alpha_context.t -> Script_ir_translator.unparsing_mode ->
public_key_hash -> kind Kind.manager contents_list ->
([ `Success of context | `Failure ] *
kind Kind.manager contents_result_list) Lwt.t =
fun ctxt mode baker contents_list ->
let level = Level.current ctxt in
match contents_list with
| Single (Manager_operation { source ; fee ; _ } as op) -> begin
apply_manager_contents ctxt mode op
>>= fun (ctxt_result, operation_result, internal_operation_results) ->
let result =
Manager_operation_result {
balance_updates =
Delegate.cleanup_balance_updates
[ Contract source, Debited fee ;
Fees (baker, level.cycle), Credited fee ] ;
operation_result ;
internal_operation_results ;
} in
Lwt.return (ctxt_result, Single_result (result))
end
| Cons (Manager_operation { source ; fee ; _ } as op, rest) ->
apply_manager_contents ctxt mode op >>= function
| (`Failure, operation_result, internal_operation_results) ->
let result =
Manager_operation_result {
balance_updates =
Delegate.cleanup_balance_updates
[ Contract source, Debited fee ;
Fees (baker, level.cycle), Credited fee ] ;
operation_result ;
internal_operation_results ;
} in
Lwt.return (`Failure, Cons_result (result, mark_skipped ~baker level rest))
| (`Success ctxt, operation_result, internal_operation_results) ->
let result =
Manager_operation_result {
balance_updates =
Delegate.cleanup_balance_updates
[ Contract source, Debited fee ;
Fees (baker, level.cycle), Credited fee ] ;
operation_result ;
internal_operation_results ;
} in
apply_manager_contents_list_rec ctxt mode baker rest >>= fun (ctxt_result, results) ->
Lwt.return (ctxt_result, Cons_result (result, results))
let mark_backtracked results =
let rec mark_contents_list
: type kind. kind Kind.manager contents_result_list -> kind Kind.manager contents_result_list
= function
| Single_result (Manager_operation_result op) ->
Single_result (Manager_operation_result
{ balance_updates =
op.balance_updates ;
operation_result =
mark_manager_operation_result op.operation_result ;
internal_operation_results =
List.map mark_internal_operation_results op.internal_operation_results})
| Cons_result (Manager_operation_result op, rest) ->
Cons_result (Manager_operation_result
{ balance_updates =
op.balance_updates ;
operation_result =
mark_manager_operation_result op.operation_result ;
internal_operation_results =
List.map mark_internal_operation_results op.internal_operation_results},
mark_contents_list rest)
and mark_internal_operation_results (Internal_operation_result (kind, result)) =
(Internal_operation_result (kind, mark_manager_operation_result result))
and mark_manager_operation_result
: type kind. kind manager_operation_result -> kind manager_operation_result
= function
| Failed _ | Skipped _ | Backtracked _ as result -> result
| Applied (Reveal_result _) as result -> result
| Applied result -> Backtracked (result, None) in
mark_contents_list results
let apply_manager_contents_list ctxt mode baker contents_list =
apply_manager_contents_list_rec ctxt mode baker contents_list >>= fun (ctxt_result, results) ->
match ctxt_result with
| `Failure -> Lwt.return (ctxt (* backtracked *), mark_backtracked results)
| `Success ctxt -> Lwt.return (ctxt, results)
let apply_contents_list
(type kind) ctxt ~partial chain_id mode pred_block baker
(operation : kind operation)
(contents_list : kind contents_list)
: (context * kind contents_result_list) tzresult Lwt.t =
match contents_list with
| Single (Endorsement { level }) ->
let block = operation.shell.branch in
fail_unless
(Block_hash.equal block pred_block)
(Wrong_endorsement_predecessor (pred_block, block)) >>=? fun () ->
let current_level = (Level.current ctxt).level in
fail_unless
Raw_level.(succ level = current_level)
Invalid_endorsement_level >>=? fun () ->
Baking.check_endorsement_rights ctxt chain_id operation >>=? fun (delegate, slots, used) ->
if used then fail (Duplicate_endorsement delegate)
else
let ctxt = record_endorsement ctxt delegate in
let gap = List.length slots in
let ctxt = Fitness.increase ~gap ctxt in
Lwt.return
Tez.(Constants.endorsement_security_deposit ctxt *?
Int64.of_int gap) >>=? fun deposit ->
begin
if partial then
Delegate.freeze_deposit ctxt delegate deposit
else
add_deposit ctxt delegate deposit
end >>=? fun ctxt ->
Global.get_last_block_priority ctxt >>=? fun block_priority ->
Baking.endorsement_reward ctxt ~block_priority gap >>=? fun reward ->
Delegate.freeze_rewards ctxt delegate reward >>=? fun ctxt ->
let level = Level.from_raw ctxt level in
return (ctxt, Single_result
(Endorsement_result
{ balance_updates = Delegate.cleanup_balance_updates
[ Contract (Contract.implicit_contract delegate), Debited deposit;
Deposits (delegate, level.cycle), Credited deposit;
Rewards (delegate, level.cycle), Credited reward; ] ;
delegate ; slots }))
| Single (Seed_nonce_revelation { level ; nonce }) ->
let level = Level.from_raw ctxt level in
Nonce.reveal ctxt level nonce >>=? fun ctxt ->
let seed_nonce_revelation_tip =
Constants.seed_nonce_revelation_tip ctxt in
add_rewards ctxt seed_nonce_revelation_tip >>=? fun ctxt ->
return (ctxt, Single_result
(Seed_nonce_revelation_result
[ Rewards (baker, level.cycle), Credited seed_nonce_revelation_tip ]))
| Single (Double_endorsement_evidence { op1 ; op2 }) -> begin
match op1.protocol_data.contents, op2.protocol_data.contents with
| Single (Endorsement e1),
Single (Endorsement e2)
when Raw_level.(e1.level = e2.level) &&
not (Block_hash.equal op1.shell.branch op2.shell.branch) ->
let level = Level.from_raw ctxt e1.level in
let oldest_level = Level.last_allowed_fork_level ctxt in
fail_unless Level.(level < Level.current ctxt)
(Too_early_double_endorsement_evidence
{ level = level.level ;
current = (Level.current ctxt).level }) >>=? fun () ->
fail_unless Raw_level.(oldest_level <= level.level)
(Outdated_double_endorsement_evidence
{ level = level.level ;
last = oldest_level }) >>=? fun () ->
Baking.check_endorsement_rights ctxt chain_id op1 >>=? fun (delegate1, _, _) ->
Baking.check_endorsement_rights ctxt chain_id op2 >>=? fun (delegate2, _, _) ->
fail_unless
(Signature.Public_key_hash.equal delegate1 delegate2)
(Inconsistent_double_endorsement_evidence
{ delegate1 ; delegate2 }) >>=? fun () ->
Delegate.has_frozen_balance ctxt delegate1 level.cycle >>=? fun valid ->
fail_unless valid Unrequired_double_endorsement_evidence >>=? fun () ->
Delegate.punish ctxt delegate1 level.cycle >>=? fun (ctxt, balance) ->
Lwt.return Tez.(balance.deposit +? balance.fees) >>=? fun burned ->
let reward =
match Tez.(burned /? 2L) with
| Ok v -> v
| Error _ -> Tez.zero in
add_rewards ctxt reward >>=? fun ctxt ->
let current_cycle = (Level.current ctxt).cycle in
return (ctxt, Single_result
(Double_endorsement_evidence_result
(Delegate.cleanup_balance_updates [
Deposits (delegate1, level.cycle), Debited balance.deposit ;
Fees (delegate1, level.cycle), Debited balance.fees ;
Rewards (delegate1, level.cycle), Debited balance.rewards ;
Rewards (baker, current_cycle), Credited reward ])))
| _, _ -> fail Invalid_double_endorsement_evidence
end
| Single (Double_baking_evidence { bh1 ; bh2 }) ->
let hash1 = Block_header.hash bh1 in
let hash2 = Block_header.hash bh2 in
fail_unless
(Compare.Int32.(bh1.shell.level = bh2.shell.level) &&
not (Block_hash.equal hash1 hash2))
(Invalid_double_baking_evidence
{ hash1 ;
level1 = bh1.shell.level ;
hash2 ;
level2 = bh2.shell.level ;
}) >>=? fun () ->
Lwt.return (Raw_level.of_int32 bh1.shell.level) >>=? fun raw_level ->
let oldest_level = Level.last_allowed_fork_level ctxt in
fail_unless Raw_level.(raw_level < (Level.current ctxt).level)
(Too_early_double_baking_evidence
{ level = raw_level ;
current = (Level.current ctxt).level }) >>=? fun () ->
fail_unless Raw_level.(oldest_level <= raw_level)
(Outdated_double_baking_evidence
{ level = raw_level ;
last = oldest_level }) >>=? fun () ->
let level = Level.from_raw ctxt raw_level in
Roll.baking_rights_owner
ctxt level ~priority:bh1.protocol_data.contents.priority >>=? fun delegate1 ->
Baking.check_signature bh1 chain_id delegate1 >>=? fun () ->
Roll.baking_rights_owner
ctxt level ~priority:bh2.protocol_data.contents.priority >>=? fun delegate2 ->
Baking.check_signature bh2 chain_id delegate2 >>=? fun () ->
fail_unless
(Signature.Public_key.equal delegate1 delegate2)
(Inconsistent_double_baking_evidence
{ delegate1 = Signature.Public_key.hash delegate1 ;
delegate2 = Signature.Public_key.hash delegate2 }) >>=? fun () ->
let delegate = Signature.Public_key.hash delegate1 in
Delegate.has_frozen_balance ctxt delegate level.cycle >>=? fun valid ->
fail_unless valid Unrequired_double_baking_evidence >>=? fun () ->
Delegate.punish ctxt delegate level.cycle >>=? fun (ctxt, balance) ->
Lwt.return Tez.(balance.deposit +? balance.fees) >>=? fun burned ->
let reward =
match Tez.(burned /? 2L) with
| Ok v -> v
| Error _ -> Tez.zero in
add_rewards ctxt reward >>=? fun ctxt ->
let current_cycle = (Level.current ctxt).cycle in
return (ctxt, Single_result
(Double_baking_evidence_result
(Delegate.cleanup_balance_updates [
Deposits (delegate, level.cycle), Debited balance.deposit ;
Fees (delegate, level.cycle), Debited balance.fees ;
Rewards (delegate, level.cycle), Debited balance.rewards ;
Rewards (baker, current_cycle), Credited reward ; ])))
| Single (Activate_account { id = pkh ; activation_code }) -> begin
let blinded_pkh =
Blinded_public_key_hash.of_ed25519_pkh activation_code pkh in
Commitment.get_opt ctxt blinded_pkh >>=? function
| None -> fail (Invalid_activation { pkh })
| Some amount ->
Commitment.delete ctxt blinded_pkh >>=? fun ctxt ->
let contract = Contract.implicit_contract (Signature.Ed25519 pkh) in
Contract.(credit ctxt contract amount) >>=? fun ctxt ->
return (ctxt, Single_result (Activate_account_result
[ Contract contract, Credited amount ]))
end
| Single (Proposals { source ; period ; proposals }) ->
Roll.delegate_pubkey ctxt source >>=? fun delegate ->
Operation.check_signature delegate chain_id operation >>=? fun () ->
let level = Level.current ctxt in
fail_unless Voting_period.(level.voting_period = period)
(Wrong_voting_period (level.voting_period, period)) >>=? fun () ->
Amendment.record_proposals ctxt source proposals >>=? fun ctxt ->
return (ctxt, Single_result Proposals_result)
| Single (Ballot { source ; period ; proposal ; ballot }) ->
Roll.delegate_pubkey ctxt source >>=? fun delegate ->
Operation.check_signature delegate chain_id operation >>=? fun () ->
let level = Level.current ctxt in
fail_unless Voting_period.(level.voting_period = period)
(Wrong_voting_period (level.voting_period, period)) >>=? fun () ->
Amendment.record_ballot ctxt source proposal ballot >>=? fun ctxt ->
return (ctxt, Single_result Ballot_result)
| Single (Manager_operation _) as op ->
precheck_manager_contents_list ctxt chain_id operation op >>=? fun ctxt ->
apply_manager_contents_list ctxt mode baker op >>= fun (ctxt, result) ->
return (ctxt, result)
| Cons (Manager_operation _, _) as op ->
precheck_manager_contents_list ctxt chain_id operation op >>=? fun ctxt ->
apply_manager_contents_list ctxt mode baker op >>= fun (ctxt, result) ->
return (ctxt, result)
let apply_operation ctxt ~partial chain_id mode pred_block baker hash operation =
let ctxt = Contract.init_origination_nonce ctxt hash in
apply_contents_list
ctxt ~partial chain_id mode pred_block baker operation
operation.protocol_data.contents >>=? fun (ctxt, result) ->
let ctxt = Gas.set_unlimited ctxt in
let ctxt = Contract.unset_origination_nonce ctxt in
return (ctxt, { contents = result })
let may_snapshot_roll ctxt =
let level = Alpha_context.Level.current ctxt in
let blocks_per_roll_snapshot = Constants.blocks_per_roll_snapshot ctxt in
if Compare.Int32.equal
(Int32.rem level.cycle_position blocks_per_roll_snapshot)
(Int32.pred blocks_per_roll_snapshot)
then
Alpha_context.Roll.snapshot_rolls ctxt >>=? fun ctxt ->
return ctxt
else
return ctxt
let may_start_new_cycle ctxt =
Baking.dawn_of_a_new_cycle ctxt >>=? function
| None -> return (ctxt, [], [])
| Some last_cycle ->
Seed.cycle_end ctxt last_cycle >>=? fun (ctxt, unrevealed) ->
Roll.cycle_end ctxt last_cycle >>=? fun ctxt ->
Delegate.cycle_end ctxt last_cycle unrevealed >>=? fun (ctxt, update_balances, deactivated) ->
Bootstrap.cycle_end ctxt last_cycle >>=? fun ctxt ->
return (ctxt, update_balances, deactivated)
let begin_full_construction ctxt pred_timestamp protocol_data =
Baking.check_baking_rights
ctxt protocol_data pred_timestamp >>=? fun delegate_pk ->
let ctxt = Fitness.increase ctxt in
match Level.pred ctxt (Level.current ctxt) with
| None -> assert false (* genesis *)
| Some pred_level ->
Baking.endorsement_rights ctxt pred_level >>=? fun rights ->
let ctxt = init_endorsements ctxt rights in
return (ctxt, protocol_data, delegate_pk)
let begin_partial_construction ctxt =
let ctxt = Fitness.increase ctxt in
match Level.pred ctxt (Level.current ctxt) with
| None -> assert false (* genesis *)
| Some pred_level ->
Baking.endorsement_rights ctxt pred_level >>=? fun rights ->
let ctxt = init_endorsements ctxt rights in
return ctxt
let begin_application ctxt chain_id block_header pred_timestamp =
let current_level = Alpha_context.Level.current ctxt in
Baking.check_proof_of_work_stamp ctxt block_header >>=? fun () ->
Baking.check_fitness_gap ctxt block_header >>=? fun () ->
Baking.check_baking_rights
ctxt block_header.protocol_data.contents pred_timestamp >>=? fun delegate_pk ->
Baking.check_signature block_header chain_id delegate_pk >>=? fun () ->
let has_commitment =
match block_header.protocol_data.contents.seed_nonce_hash with
| None -> false
| Some _ -> true in
fail_unless
Compare.Bool.(has_commitment = current_level.expected_commitment)
(Invalid_commitment
{ expected = current_level.expected_commitment }) >>=? fun () ->
let ctxt = Fitness.increase ctxt in
match Level.pred ctxt (Level.current ctxt) with
| None -> assert false (* genesis *)
| Some pred_level ->
Baking.endorsement_rights ctxt pred_level >>=? fun rights ->
let ctxt = init_endorsements ctxt rights in
return (ctxt, delegate_pk)
let finalize_application ctxt protocol_data delegate =
let deposit = Constants.block_security_deposit ctxt in
add_deposit ctxt delegate deposit >>=? fun ctxt ->
let reward = (Constants.block_reward ctxt) in
add_rewards ctxt reward >>=? fun ctxt ->
Signature.Public_key_hash.Map.fold
(fun delegate deposit ctxt ->
ctxt >>=? fun ctxt ->
Delegate.freeze_deposit ctxt delegate deposit)
(get_deposits ctxt)
(return ctxt) >>=? fun ctxt ->
(* end of level (from this point nothing should fail) *)
let fees = Alpha_context.get_fees ctxt in
Delegate.freeze_fees ctxt delegate fees >>=? fun ctxt ->
let rewards = Alpha_context.get_rewards ctxt in
Delegate.freeze_rewards ctxt delegate rewards >>=? fun ctxt ->
begin
match protocol_data.Block_header.seed_nonce_hash with
| None -> return ctxt
| Some nonce_hash ->
Nonce.record_hash ctxt
{ nonce_hash ; delegate ; rewards ; fees }
end >>=? fun ctxt ->
Alpha_context.Global.set_last_block_priority
ctxt protocol_data.priority >>=? fun ctxt ->
(* end of cycle *)
may_snapshot_roll ctxt >>=? fun ctxt ->
may_start_new_cycle ctxt >>=? fun (ctxt, balance_updates, deactivated) ->
Amendment.may_start_new_voting_cycle ctxt >>=? fun ctxt ->
let cycle = (Level.current ctxt).cycle in
let balance_updates =
Delegate.(cleanup_balance_updates
([ Contract (Contract.implicit_contract delegate), Debited deposit ;
Deposits (delegate, cycle), Credited deposit ;
Rewards (delegate, cycle), Credited reward ] @ balance_updates)) in
let consumed_gas = Z.sub (Constants.hard_gas_limit_per_block ctxt) (Alpha_context.Gas.block_level ctxt) in
Alpha_context.Vote.get_current_period_kind ctxt >>=? fun voting_period_kind ->
let receipt = Apply_results.{ baker = delegate ;
level = Level.current ctxt;
voting_period_kind ;
nonce_hash = protocol_data.seed_nonce_hash ;
consumed_gas ;
deactivated ;
balance_updates } in
return (ctxt, receipt)
