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s0me0ne-unkn0wn
c26cf3f6f2
Currently, PVFs are re-prepared if any execution environment parameter changes. As we've recently seen on Kusama and Polkadot, that may lead to a severe finality lag because every validator has to re-prepare every PVF. That cannot be avoided altogether; however, we could cease re-preparing PVFs when a change in the execution environment can't lead to a change in the artifact itself. For example, it's clear that changing the execution timeout cannot affect the artifact. In this PR, I'm introducing a separate hash for the subset of execution environment parameters that changes only if a preparation-related parameter changes. It introduces some minor code duplication, but without that, the scope of changes would be much bigger. TODO: - [x] Add a test to ensure the artifact is not re-prepared if non-preparation-related parameter is changed - [x] Add a test to ensure the artifact is re-prepared if a preparation-related parameter is changed - [x] Add comments, warnings, and, possibly, a test to ensure a new parameter ever added to the executor environment parameters will be evaluated by the author of changes with respect to its artifact preparation impact and added to the new hash preimage if needed. Closes #4132
68 lines
3.8 KiB
Rust
68 lines
3.8 KiB
Rust
// Copyright (C) Parity Technologies (UK) Ltd.
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// This file is part of Polkadot.
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// Polkadot is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Polkadot is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
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//! Polkadot types shared between the runtime and the Node-side code.
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#![warn(missing_docs)]
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#![cfg_attr(not(feature = "std"), no_std)]
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// `v6` is currently the latest stable version of the runtime API.
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pub mod v7;
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// The 'staging' version is special - it contains primitives which are
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// still in development. Once they are considered stable, they will be
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// moved to a new versioned module.
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pub mod vstaging;
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// `runtime_api` contains the actual API implementation. It contains stable and
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// unstable functions.
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pub mod runtime_api;
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// Current primitives not requiring versioning are exported here.
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// Primitives requiring versioning must not be exported and must be referred by an exact version.
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pub use v7::{
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async_backing, byzantine_threshold, check_candidate_backing, collator_signature_payload,
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effective_minimum_backing_votes, executor_params, metric_definitions, node_features, slashing,
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supermajority_threshold, well_known_keys, AbridgedHostConfiguration, AbridgedHrmpChannel,
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AccountId, AccountIndex, AccountPublic, ApprovalVote, ApprovalVoteMultipleCandidates,
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ApprovalVotingParams, AssignmentId, AsyncBackingParams, AuthorityDiscoveryId,
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AvailabilityBitfield, BackedCandidate, Balance, BlakeTwo256, Block, BlockId, BlockNumber,
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CandidateCommitments, CandidateDescriptor, CandidateEvent, CandidateHash, CandidateIndex,
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CandidateReceipt, CheckedDisputeStatementSet, CheckedMultiDisputeStatementSet, CollatorId,
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CollatorSignature, CommittedCandidateReceipt, CompactStatement, ConsensusLog, CoreIndex,
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CoreState, DisputeState, DisputeStatement, DisputeStatementSet, DownwardMessage, EncodeAs,
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ExecutorParam, ExecutorParamError, ExecutorParams, ExecutorParamsHash, ExecutorParamsPrepHash,
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ExplicitDisputeStatement, GroupIndex, GroupRotationInfo, Hash, HashT, HeadData, Header,
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HorizontalMessages, HrmpChannelId, Id, InboundDownwardMessage, InboundHrmpMessage, IndexedVec,
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InherentData, InvalidDisputeStatementKind, Moment, MultiDisputeStatementSet, NodeFeatures,
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Nonce, OccupiedCore, OccupiedCoreAssumption, OutboundHrmpMessage, ParathreadClaim,
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ParathreadEntry, PersistedValidationData, PvfCheckStatement, PvfExecKind, PvfPrepKind,
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RuntimeMetricLabel, RuntimeMetricLabelValue, RuntimeMetricLabelValues, RuntimeMetricLabels,
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RuntimeMetricOp, RuntimeMetricUpdate, ScheduledCore, ScrapedOnChainVotes, SessionIndex,
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SessionInfo, Signature, Signed, SignedAvailabilityBitfield, SignedAvailabilityBitfields,
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SignedStatement, SigningContext, Slot, UncheckedSigned, UncheckedSignedAvailabilityBitfield,
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UncheckedSignedAvailabilityBitfields, UncheckedSignedStatement, UpgradeGoAhead,
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UpgradeRestriction, UpwardMessage, ValidDisputeStatementKind, ValidationCode,
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ValidationCodeHash, ValidatorId, ValidatorIndex, ValidatorSignature, ValidityAttestation,
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ValidityError, ASSIGNMENT_KEY_TYPE_ID, LEGACY_MIN_BACKING_VOTES, LOWEST_PUBLIC_ID,
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MAX_CODE_SIZE, MAX_HEAD_DATA_SIZE, MAX_POV_SIZE, MIN_CODE_SIZE,
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ON_DEMAND_DEFAULT_QUEUE_MAX_SIZE, ON_DEMAND_MAX_QUEUE_MAX_SIZE, PARACHAINS_INHERENT_IDENTIFIER,
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PARACHAIN_KEY_TYPE_ID,
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};
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#[cfg(feature = "std")]
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pub use v7::{AssignmentPair, CollatorPair, ValidatorPair};
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