(*****************************************************************************) (* *) (* Open Source License *) (* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. *) (* *) (* 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 += Cannot_originate_spendable_smart_contract (* `Permanent *) type error += Cannot_originate_non_spendable_account (* `Permanent *) 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:"cannot_originate_non_spendable_account" ~title:"Cannot originate non spendable account" ~description:"An origination was attempted \ that would create a non spendable, non scripted contract" ~pp:(fun ppf () -> Format.fprintf ppf "It is not possible anymore to originate \ a non scripted contract that is not spendable.") Data_encoding.empty (function Cannot_originate_non_spendable_account -> Some () | _ -> None) (fun () -> Cannot_originate_non_spendable_account) ; register_error_kind `Permanent ~id:"cannot_originate_spendable_smart_contract" ~title:"Cannot originate spendable smart contract" ~description:"An origination was attempted \ that would create a spendable scripted contract" ~pp:(fun ppf () -> Format.fprintf ppf "It is not possible anymore to originate \ a scripted contract that is spendable.") Data_encoding.empty (function Cannot_originate_spendable_smart_contract -> Some () | _ -> None) (fun () -> Cannot_originate_spendable_smart_contract) ; 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 -> if spendable then return (None, ctxt) else fail Cannot_originate_non_spendable_account | Some script -> if spendable then fail Cannot_originate_spendable_smart_contract else 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 (ex_script, ctxt) -> Script_ir_translator.big_map_initialization ctxt Optimized ex_script >>=? fun (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_period 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)