1521 lines
53 KiB
Nim
1521 lines
53 KiB
Nim
# beacon_chain
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# Copyright (c) 2021-2024 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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{.push raises: [].}
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import
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std/[tables, os, sets, sequtils, strutils, uri, algorithm],
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results,
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stew/[base10, byteutils],
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bearssl/rand, chronos, presto, presto/client as presto_client,
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chronicles, confutils,
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metrics, metrics/chronos_httpserver,
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".."/spec/datatypes/[base, phase0, altair],
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".."/spec/[eth2_merkleization, helpers, signatures, validator],
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".."/spec/eth2_apis/[eth2_rest_serialization, rest_beacon_client,
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dynamic_fee_recipients],
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".."/consensus_object_pools/[block_pools_types, common_tools],
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".."/validators/[keystore_management, validator_pool, slashing_protection,
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validator_duties],
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".."/[conf, beacon_clock, version, nimbus_binary_common]
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from std/times import Time, toUnix, fromUnix, getTime
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export
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os, sets, sequtils, chronos, chronicles, confutils,
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nimbus_binary_common, version, conf, tables, results, base10,
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byteutils, presto_client, eth2_rest_serialization, rest_beacon_client,
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phase0, altair, helpers, signatures, validator, eth2_merkleization,
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beacon_clock, keystore_management, slashing_protection, validator_pool,
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dynamic_fee_recipients, Time, toUnix, fromUnix, getTime, block_pools_types,
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base, metrics
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const
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SYNC_TOLERANCE* = 4'u64
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SLOT_LOOKAHEAD* = 1.seconds
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HISTORICAL_DUTIES_EPOCHS* = 2'u64
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TIME_DELAY_FROM_SLOT* = 79.milliseconds
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SUBSCRIPTION_BUFFER_SLOTS* = 2'u64
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# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/bellatrix/validator.md#constants
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EPOCHS_BETWEEN_VALIDATOR_REGISTRATION* = 1
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ZeroTimeDiff* = TimeDiff(nanoseconds: 0'i64)
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type
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ServiceState* {.pure.} = enum
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Initialized, Running, Error, Closing, Closed
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RegistrationKind* {.pure.} = enum
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Cached, IncorrectTime, MissingIndex, MissingFee, MissingGasLimit,
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ErrorSignature, NoSignature
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PendingValidatorRegistration* = object
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registration*: SignedValidatorRegistrationV1
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future*: Future[SignatureResult]
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ClientServiceRef* = ref object of RootObj
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name*: string
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state*: ServiceState
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lifeFut*: Future[void]
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client*: ValidatorClientRef
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DutiesServiceRef* = ref object of ClientServiceRef
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pollingAttesterDutiesTask*: Future[void]
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pollingSyncDutiesTask*: Future[void]
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pruneSlashingDatabaseTask*: Future[void]
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syncSubscriptionEpoch*: Opt[Epoch]
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lastSlashingEpoch*: Opt[Epoch]
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FallbackServiceRef* = ref object of ClientServiceRef
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changesEvent*: AsyncEvent
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ForkServiceRef* = ref object of ClientServiceRef
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AttestationServiceRef* = ref object of ClientServiceRef
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BlockServiceRef* = ref object of ClientServiceRef
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SyncCommitteeServiceRef* = ref object of ClientServiceRef
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DoppelgangerServiceRef* = ref object of ClientServiceRef
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enabled*: bool
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DutyAndProof* = object
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epoch*: Epoch
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dependentRoot*: Eth2Digest
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data*: RestAttesterDuty
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slotSig*: Opt[ValidatorSig]
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SyncCommitteeDuty* = RestSyncCommitteeDuty
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SyncCommitteeSubscriptionInfo* = object
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validator_index*: ValidatorIndex
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validator_sync_committee_indices*: seq[IndexInSyncCommittee]
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ProposerTask* = object
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duty*: RestProposerDuty
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proposeFut*: Future[void]
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randaoFut*: Future[void]
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ProposedData* = object
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epoch*: Epoch
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dependentRoot*: Eth2Digest
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duties*: seq[ProposerTask]
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BeaconNodeRole* {.pure.} = enum
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Duties,
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AttestationData, AttestationPublish,
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AggregatedData, AggregatedPublish,
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BlockProposalData, BlockProposalPublish,
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SyncCommitteeData, SyncCommitteePublish,
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NoTimeCheck
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RestBeaconNodeFeature* {.pure.} = enum
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NoNimbusExtensions, ## BN does not support Nimbus Extensions
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NoProduceBlockV3 ## BN does not support produceBlockV3 call
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TimeOffset* = object
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value: int64
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BeaconNodeServer* = object
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client*: RestClientRef
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uri*: Uri
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endpoint*: string
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config*: VCRuntimeConfig
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ident*: Opt[string]
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genesis*: Opt[RestGenesis]
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syncInfo*: Opt[RestSyncInfo]
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status*: RestBeaconNodeStatus
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features*: set[RestBeaconNodeFeature]
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roles*: set[BeaconNodeRole]
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logIdent*: string
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index*: int
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timeOffset*: Opt[TimeOffset]
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EpochSelectionProof* = object
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signatures*: array[SLOTS_PER_EPOCH.int, Opt[ValidatorSig]]
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sync_committee_index*: IndexInSyncCommittee
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SyncCommitteeSelectionProof* = seq[EpochSelectionProof]
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EpochDuties* = object
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duties*: Table[Epoch, DutyAndProof]
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SyncPeriodDuties* = object
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duties*: Table[SyncCommitteePeriod, SyncCommitteeDuty]
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SyncCommitteeProofs* = object
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proofs*: Table[ValidatorPubKey, SyncCommitteeSelectionProof]
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RestBeaconNodeStatus* {.pure.} = enum
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Invalid, ## BN address is invalid.
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Noname, ## BN address could not be resolved yet.
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Offline, ## BN is offline.
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Online, ## BN is online, passed checkOnline() check.
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Incompatible, ## BN configuration is NOT compatible with VC.
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Compatible, ## BN configuration is compatible with VC configuration.
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NotSynced, ## BN is not in sync.
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OptSynced, ## BN is optimistically synced (EL is not in sync).
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Synced, ## BN and EL are synced.
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UnexpectedCode, ## BN sends unexpected/incorrect HTTP status code .
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UnexpectedResponse, ## BN sends unexpected/incorrect response.
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BrokenClock, ## BN wall clock is broken or has significan offset.
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InternalError ## BN reports internal error.
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BeaconNodesCounters* = object
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data*: array[int(high(RestBeaconNodeStatus)) + 1, int]
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BeaconNodeServerRef* = ref BeaconNodeServer
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AttesterMap* = Table[ValidatorPubKey, EpochDuties]
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SyncCommitteeDutiesMap* = Table[ValidatorPubKey, SyncPeriodDuties]
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ProposerMap* = Table[Epoch, ProposedData]
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SyncCommitteeProofsMap* = Table[Epoch, SyncCommitteeProofs]
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DoppelgangerStatus* {.pure.} = enum
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None, Checking, Passed
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DoppelgangerAttempt* {.pure.} = enum
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None, Failure, SuccessTrue, SuccessFalse
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BlockWaiter* = object
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future*: Future[seq[Eth2Digest]]
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count*: int
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BlockDataItem* = object
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blocks: seq[Eth2Digest]
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waiters*: seq[BlockWaiter]
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ValidatorRuntimeConfig* = object
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forkConfig*: Opt[VCForkConfig]
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ValidatorClient* = object
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config*: ValidatorClientConf
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runtimeConfig*: ValidatorRuntimeConfig
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metricsServer*: Opt[MetricsHttpServerRef]
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graffitiBytes*: GraffitiBytes
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beaconNodes*: seq[BeaconNodeServerRef]
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fallbackService*: FallbackServiceRef
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forkService*: ForkServiceRef
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dutiesService*: DutiesServiceRef
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attestationService*: AttestationServiceRef
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blockService*: BlockServiceRef
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syncCommitteeService*: SyncCommitteeServiceRef
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doppelgangerService*: DoppelgangerServiceRef
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runSlotLoopFut*: Future[void]
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runKeystoreCachePruningLoopFut*: Future[void]
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sigintHandleFut*: Future[void]
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sigtermHandleFut*: Future[void]
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keymanagerHost*: ref KeymanagerHost
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keymanagerServer*: RestServerRef
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keystoreCache*: KeystoreCacheRef
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beaconClock*: BeaconClock
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attachedValidators*: ref ValidatorPool
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forks*: seq[Fork]
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preGenesisEvent*: AsyncEvent
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genesisEvent*: AsyncEvent
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forksAvailable*: AsyncEvent
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nodesAvailable*: AsyncEvent
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indicesAvailable*: AsyncEvent
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doppelExit*: AsyncEvent
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attesters*: AttesterMap
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proposers*: ProposerMap
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syncCommitteeDuties*: SyncCommitteeDutiesMap
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syncCommitteeProofs*: SyncCommitteeProofsMap
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beaconGenesis*: RestGenesis
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proposerTasks*: Table[Slot, seq[ProposerTask]]
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dynamicFeeRecipientsStore*: ref DynamicFeeRecipientsStore
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validatorsRegCache*: Table[ValidatorPubKey, SignedValidatorRegistrationV1]
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blocksSeen*: Table[Slot, BlockDataItem]
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rootsSeen*: Table[Eth2Digest, Slot]
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processingDelay*: Opt[Duration]
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finalizedEpoch*: Opt[Epoch]
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rng*: ref HmacDrbgContext
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ApiStrategyKind* {.pure.} = enum
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Priority, Best, First
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ApiFailure* {.pure.} = enum
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Communication, Invalid, NotFound, OptSynced, NotSynced, Internal,
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NotImplemented, UnexpectedCode, UnexpectedResponse, NoError
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ApiNodeFailure* = object
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node*: BeaconNodeServerRef
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request*: string
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strategy*: Opt[ApiStrategyKind]
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failure*: ApiFailure
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status*: Opt[int]
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reason*: string
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ValidatorClientRef* = ref ValidatorClient
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ValidatorClientError* = object of CatchableError
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ValidatorApiError* = object of ValidatorClientError
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data*: seq[ApiNodeFailure]
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const
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DefaultDutyAndProof* = DutyAndProof(epoch: FAR_FUTURE_EPOCH)
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DefaultSyncCommitteeDuty* = SyncCommitteeDuty()
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SlotDuration* = int64(SECONDS_PER_SLOT).seconds
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OneThirdDuration* = int64(SECONDS_PER_SLOT).seconds div INTERVALS_PER_SLOT
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AllBeaconNodeRoles* = {
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BeaconNodeRole.Duties,
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BeaconNodeRole.AttestationData,
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BeaconNodeRole.AttestationPublish,
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BeaconNodeRole.AggregatedData,
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BeaconNodeRole.AggregatedPublish,
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BeaconNodeRole.BlockProposalData,
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BeaconNodeRole.BlockProposalPublish,
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BeaconNodeRole.SyncCommitteeData,
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BeaconNodeRole.SyncCommitteePublish
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}
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## AllBeaconNodeRoles missing BeaconNodeRole.NoTimeCheck, because timecheks
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## are enabled by default.
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AllBeaconNodeStatuses* = {
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RestBeaconNodeStatus.Invalid,
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RestBeaconNodeStatus.Noname,
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RestBeaconNodeStatus.Offline,
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RestBeaconNodeStatus.Online,
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RestBeaconNodeStatus.Incompatible,
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RestBeaconNodeStatus.Compatible,
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RestBeaconNodeStatus.NotSynced,
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RestBeaconNodeStatus.OptSynced,
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RestBeaconNodeStatus.Synced,
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RestBeaconNodeStatus.UnexpectedCode,
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RestBeaconNodeStatus.UnexpectedResponse,
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RestBeaconNodeStatus.BrokenClock,
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RestBeaconNodeStatus.InternalError
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}
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ResolvedBeaconNodeStatuses* = {
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RestBeaconNodeStatus.Offline,
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RestBeaconNodeStatus.Online,
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RestBeaconNodeStatus.Incompatible,
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RestBeaconNodeStatus.Compatible,
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RestBeaconNodeStatus.NotSynced,
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RestBeaconNodeStatus.OptSynced,
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RestBeaconNodeStatus.Synced,
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RestBeaconNodeStatus.UnexpectedCode,
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RestBeaconNodeStatus.UnexpectedResponse,
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RestBeaconNodeStatus.BrokenClock,
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RestBeaconNodeStatus.InternalError
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}
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proc `$`*(to: TimeOffset): string =
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if to.value < 0:
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"-" & $chronos.nanoseconds(-to.value)
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else:
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$chronos.nanoseconds(to.value)
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chronicles.formatIt(TimeOffset):
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$it
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chronicles.formatIt(Opt[TimeOffset]):
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if it.isSome(): $(it.get()) else: "<unknown>"
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proc `$`*(roles: set[BeaconNodeRole]): string =
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if card(roles) > 0:
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if roles != AllBeaconNodeRoles:
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var res: seq[string]
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if BeaconNodeRole.Duties in roles:
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res.add("duties")
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if BeaconNodeRole.AttestationData in roles:
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res.add("attestation-data")
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if BeaconNodeRole.AttestationPublish in roles:
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res.add("attestation-publish")
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if BeaconNodeRole.AggregatedData in roles:
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res.add("aggregated-data")
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if BeaconNodeRole.AggregatedPublish in roles:
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res.add("aggregated-publish")
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if BeaconNodeRole.BlockProposalData in roles:
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res.add("block-data")
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if BeaconNodeRole.BlockProposalPublish in roles:
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res.add("block-publish")
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if BeaconNodeRole.SyncCommitteeData in roles:
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res.add("sync-data")
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if BeaconNodeRole.SyncCommitteePublish in roles:
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res.add("sync-publish")
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if BeaconNodeRole.NoTimeCheck in roles:
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res.add("no-timecheck")
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res.join(",")
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else:
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"{all}"
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else:
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"{}"
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proc `$`*(status: RestBeaconNodeStatus): string =
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case status
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of RestBeaconNodeStatus.Invalid: "invalid-address"
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of RestBeaconNodeStatus.Noname: "dns-error"
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of RestBeaconNodeStatus.Offline: "offline"
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of RestBeaconNodeStatus.Online: "online"
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of RestBeaconNodeStatus.Incompatible: "incompatible"
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of RestBeaconNodeStatus.Compatible: "compatible"
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of RestBeaconNodeStatus.NotSynced: "bn-unsynced"
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of RestBeaconNodeStatus.OptSynced: "el-unsynced"
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of RestBeaconNodeStatus.Synced: "synced"
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of RestBeaconNodeStatus.UnexpectedCode: "unexpected code"
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of RestBeaconNodeStatus.UnexpectedResponse: "unexpected data"
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of RestBeaconNodeStatus.InternalError: "internal error"
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of RestBeaconNodeStatus.BrokenClock: "broken clock"
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proc `$`*(failure: ApiFailure): string =
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case failure
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of ApiFailure.Communication: "communication"
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of ApiFailure.Invalid: "invalid-request"
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of ApiFailure.NotFound: "not-found"
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of ApiFailure.NotSynced: "not-synced"
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of ApiFailure.OptSynced: "opt-synced"
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of ApiFailure.Internal: "internal-issue"
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of ApiFailure.NotImplemented: "not-implemented"
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of ApiFailure.UnexpectedCode: "unexpected-code"
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of ApiFailure.UnexpectedResponse: "unexpected-data"
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of ApiFailure.NoError: "status-update"
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proc getNodeCounts*(vc: ValidatorClientRef): BeaconNodesCounters =
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var res = BeaconNodesCounters()
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for node in vc.beaconNodes: inc(res.data[int(node.status)])
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res
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proc hash*(f: ApiNodeFailure): Hash =
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hash(f.failure)
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proc toString*(strategy: ApiStrategyKind): string =
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case strategy
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of ApiStrategyKind.First:
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"first"
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of ApiStrategyKind.Best:
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"best"
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of ApiStrategyKind.Priority:
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"priority"
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func getFailureReason*(failure: ApiNodeFailure): string =
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let status =
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if failure.status.isSome():
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Base10.toString(uint32(failure.status.get()))
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else:
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"n/a"
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let request =
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if failure.strategy.isSome():
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failure.request & "(" & failure.strategy.get().toString() & ")"
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else:
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failure.request & "()"
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[failure.reason, status, request, $failure.failure].join(";")
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proc getFailureReason*(exc: ref ValidatorApiError): string =
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let
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errors = exc[].data
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errorsCount = len(errors)
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if errorsCount > 1:
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let distinctErrors =
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block:
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var res: seq[ApiNodeFailure]
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for item in errors.toHashSet().items():
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res.add(item)
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res
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if len(distinctErrors) > 1:
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# If we have many unique errors, we going to report only failures,
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# full reasons could be obtained via previosly made log statements.
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"[" & distinctErrors.mapIt($it.failure).join(",") & "]"
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else:
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getFailureReason(distinctErrors[0])
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elif errorsCount == 1:
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getFailureReason(errors[0])
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else:
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exc.msg
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proc shortLog*(roles: set[BeaconNodeRole]): string =
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var r = "AGBSDT"
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if BeaconNodeRole.AttestationData in roles:
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if BeaconNodeRole.AttestationPublish in roles: r[0] = 'A' else: r[0] = 'a'
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else:
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if BeaconNodeRole.AttestationPublish in roles: r[0] = '+' else: r[0] = '-'
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if BeaconNodeRole.AggregatedData in roles:
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if BeaconNodeRole.AggregatedPublish in roles: r[1] = 'G' else: r[1] = 'g'
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else:
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if BeaconNodeRole.AggregatedPublish in roles: r[1] = '+' else: r[1] = '-'
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if BeaconNodeRole.BlockProposalData in roles:
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if BeaconNodeRole.BlockProposalPublish in roles: r[2] = 'B' else: r[2] = 'b'
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else:
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if BeaconNodeRole.BlockProposalPublish in roles: r[2] = '+' else: r[2] = '-'
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if BeaconNodeRole.SyncCommitteeData in roles:
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if BeaconNodeRole.SyncCommitteePublish in roles:
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r[3] = 'S' else: r[3] = 's'
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else:
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if BeaconNodeRole.SyncCommitteePublish in roles:
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r[3] = '+' else: r[3] = '-'
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if BeaconNodeRole.Duties in roles: r[4] = 'D' else: r[4] = '-'
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if BeaconNodeRole.NoTimeCheck notin roles: r[5] = 'T' else: r[5] = '-'
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r
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proc `$`*(bn: BeaconNodeServerRef): string =
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if bn.ident.isSome():
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bn.logIdent & "[" & bn.ident.get() & "]"
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else:
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bn.logIdent
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proc validatorLog*(key: ValidatorPubKey,
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index: ValidatorIndex): string =
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var res = shortLog(key)
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res.add('@')
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res.add(Base10.toString(uint64(index)))
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res
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proc validatorLog*(validator: AttachedValidator): string =
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var res = shortLog(validator)
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res.add('@')
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if validator.index.isSome():
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res.add(Base10.toString(uint64(validator.index.get())))
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else:
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res.add("<missing>")
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res
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chronicles.expandIt(BeaconNodeServerRef):
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node = $it
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node_index = it.index
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node_roles = shortLog(it.roles)
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chronicles.expandIt(RestAttesterDuty):
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pubkey = shortLog(it.pubkey)
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slot = it.slot
|
|
validator_index = it.validator_index
|
|
committee_index = it.committee_index
|
|
committee_length = it.committee_length
|
|
committees_at_slot = it.committees_at_slot
|
|
validator_committee_index = it.validator_committee_index
|
|
|
|
chronicles.expandIt(SyncCommitteeDuty):
|
|
pubkey = shortLog(it.pubkey)
|
|
validator_index = it.validator_index
|
|
validator_sync_committee_indices = it.validator_sync_committee_indices
|
|
|
|
proc equals*(info: VCRuntimeConfig, name: string, check: uint64): bool =
|
|
let numstr = info.getOrDefault(name, "missing")
|
|
if numstr == "missing": return false
|
|
let value = Base10.decode(uint64, numstr).valueOr:
|
|
return false
|
|
value == check
|
|
|
|
proc equals*(info: VCRuntimeConfig, name: string, check: DomainType): bool =
|
|
let domstr = info.getOrDefault(name, "missing")
|
|
if domstr == "missing": return false
|
|
let value =
|
|
try:
|
|
var dres: DomainType
|
|
hexToByteArray(domstr, distinctBase(dres))
|
|
dres
|
|
except ValueError:
|
|
return false
|
|
value == check
|
|
|
|
proc equals*(info: VCRuntimeConfig, name: string, check: Epoch): bool =
|
|
info.equals(name, uint64(check))
|
|
|
|
proc checkConfig*(c: VCRuntimeConfig): bool =
|
|
c.equals("MAX_VALIDATORS_PER_COMMITTEE", MAX_VALIDATORS_PER_COMMITTEE) and
|
|
c.equals("SLOTS_PER_EPOCH", SLOTS_PER_EPOCH) and
|
|
c.equals("SECONDS_PER_SLOT", SECONDS_PER_SLOT) and
|
|
c.equals("EPOCHS_PER_ETH1_VOTING_PERIOD", EPOCHS_PER_ETH1_VOTING_PERIOD) and
|
|
c.equals("SLOTS_PER_HISTORICAL_ROOT", SLOTS_PER_HISTORICAL_ROOT) and
|
|
c.equals("EPOCHS_PER_HISTORICAL_VECTOR", EPOCHS_PER_HISTORICAL_VECTOR) and
|
|
c.equals("EPOCHS_PER_SLASHINGS_VECTOR", EPOCHS_PER_SLASHINGS_VECTOR) and
|
|
c.equals("HISTORICAL_ROOTS_LIMIT", HISTORICAL_ROOTS_LIMIT) and
|
|
c.equals("VALIDATOR_REGISTRY_LIMIT", VALIDATOR_REGISTRY_LIMIT) and
|
|
c.equals("MAX_PROPOSER_SLASHINGS", MAX_PROPOSER_SLASHINGS) and
|
|
c.equals("MAX_ATTESTER_SLASHINGS", MAX_ATTESTER_SLASHINGS) and
|
|
c.equals("MAX_ATTESTATIONS", MAX_ATTESTATIONS) and
|
|
c.equals("MAX_DEPOSITS", MAX_DEPOSITS) and
|
|
c.equals("MAX_VOLUNTARY_EXITS", MAX_VOLUNTARY_EXITS) and
|
|
c.equals("DOMAIN_BEACON_PROPOSER", DOMAIN_BEACON_PROPOSER) and
|
|
c.equals("DOMAIN_BEACON_ATTESTER", DOMAIN_BEACON_ATTESTER) and
|
|
c.equals("DOMAIN_RANDAO", DOMAIN_RANDAO) and
|
|
c.equals("DOMAIN_DEPOSIT", DOMAIN_DEPOSIT) and
|
|
c.equals("DOMAIN_VOLUNTARY_EXIT", DOMAIN_VOLUNTARY_EXIT) and
|
|
c.equals("DOMAIN_SELECTION_PROOF", DOMAIN_SELECTION_PROOF) and
|
|
c.equals("DOMAIN_AGGREGATE_AND_PROOF", DOMAIN_AGGREGATE_AND_PROOF) and
|
|
c.hasKey("ALTAIR_FORK_VERSION") and c.hasKey("ALTAIR_FORK_EPOCH") and
|
|
not(c.equals("ALTAIR_FORK_EPOCH", FAR_FUTURE_EPOCH))
|
|
|
|
proc updateStatus*(node: BeaconNodeServerRef,
|
|
status: RestBeaconNodeStatus,
|
|
failure: ApiNodeFailure) =
|
|
logScope:
|
|
node = node
|
|
|
|
case status
|
|
of RestBeaconNodeStatus.Invalid:
|
|
if node.status != status:
|
|
warn "Beacon node could not be used"
|
|
node.status = status
|
|
of RestBeaconNodeStatus.Noname:
|
|
if node.status != status:
|
|
warn "Beacon node address cannot be resolved"
|
|
node.status = status
|
|
of RestBeaconNodeStatus.Offline:
|
|
if node.status != status:
|
|
if node.status in {RestBeaconNodeStatus.Invalid,
|
|
RestBeaconNodeStatus.Noname}:
|
|
notice "Beacon node address has been resolved"
|
|
node.status = status
|
|
else:
|
|
warn "Beacon node down", reason = failure.getFailureReason()
|
|
node.status = status
|
|
of RestBeaconNodeStatus.Online:
|
|
if node.status != status:
|
|
let version = if node.ident.isSome(): node.ident.get() else: "<missing>"
|
|
notice "Beacon node is online", agent_version = version
|
|
node.status = status
|
|
of RestBeaconNodeStatus.Incompatible:
|
|
if node.status != status:
|
|
warn "Beacon node has incompatible configuration",
|
|
reason = failure.getFailureReason()
|
|
node.status = status
|
|
of RestBeaconNodeStatus.Compatible:
|
|
if node.status != status:
|
|
notice "Beacon node is compatible"
|
|
node.status = status
|
|
of RestBeaconNodeStatus.NotSynced:
|
|
if node.status notin {RestBeaconNodeStatus.NotSynced,
|
|
RestBeaconNodeStatus.OptSynced}:
|
|
doAssert(node.syncInfo.isSome())
|
|
let si = node.syncInfo.get()
|
|
warn "Beacon node not in sync", reason = failure.getFailureReason(),
|
|
last_head_slot = si.head_slot,
|
|
last_sync_distance = si.sync_distance,
|
|
last_optimistic = si.is_optimistic.get(false)
|
|
node.status = status
|
|
of RestBeaconNodeStatus.OptSynced:
|
|
if node.status != status:
|
|
doAssert(node.syncInfo.isSome())
|
|
let si = node.syncInfo.get()
|
|
notice "Beacon node optimistically synced (Execution client not in sync)",
|
|
reason = failure.getFailureReason(),
|
|
last_head_slot = si.head_slot,
|
|
last_sync_distance = si.sync_distance,
|
|
last_optimistic = si.is_optimistic.get(false)
|
|
node.status = status
|
|
of RestBeaconNodeStatus.Synced:
|
|
if node.status != status:
|
|
doAssert(node.syncInfo.isSome())
|
|
let si = node.syncInfo.get()
|
|
notice "Beacon node is in sync",
|
|
head_slot = si.head_slot,
|
|
sync_distance = si.sync_distance,
|
|
is_optimistic = si.is_optimistic.get(false)
|
|
node.status = status
|
|
of RestBeaconNodeStatus.UnexpectedResponse:
|
|
if node.status != status:
|
|
error "Beacon node provides unexpected response",
|
|
reason = failure.getFailureReason()
|
|
node.status = status
|
|
of RestBeaconNodeStatus.UnexpectedCode:
|
|
if node.status != status:
|
|
error "Beacon node provides unexpected status code",
|
|
reason = failure.getFailureReason()
|
|
node.status = status
|
|
of RestBeaconNodeStatus.InternalError:
|
|
if node.status != status:
|
|
warn "Beacon node reports internal error",
|
|
reason = failure.getFailureReason()
|
|
node.status = status
|
|
of RestBeaconNodeStatus.BrokenClock:
|
|
if node.status != status:
|
|
warn "Beacon node's clock is out of order, (beacon node is unusable)"
|
|
node.status = status
|
|
|
|
proc stop*(csr: ClientServiceRef) {.async.} =
|
|
debug "Stopping service", service = csr.name
|
|
if csr.state == ServiceState.Running:
|
|
csr.state = ServiceState.Closing
|
|
if not(csr.lifeFut.finished()):
|
|
await csr.lifeFut.cancelAndWait()
|
|
csr.state = ServiceState.Closed
|
|
debug "Service stopped", service = csr.name
|
|
|
|
proc isDefault*(dap: DutyAndProof): bool =
|
|
dap.epoch == FAR_FUTURE_EPOCH
|
|
|
|
proc isDefault*(prd: ProposedData): bool =
|
|
prd.epoch == FAR_FUTURE_EPOCH
|
|
|
|
proc isDefault*(scd: SyncCommitteeDuty): bool =
|
|
len(scd.validator_sync_committee_indices) == 0
|
|
|
|
proc parseRoles*(data: string): Result[set[BeaconNodeRole], cstring] =
|
|
var res: set[BeaconNodeRole]
|
|
if len(data) == 0:
|
|
return ok(AllBeaconNodeRoles)
|
|
let parts = data.split("roles=")
|
|
if (len(parts) != 2) or (len(parts[0]) != 0):
|
|
return err("Invalid beacon node roles string")
|
|
let sroles = parts[1].split(",")
|
|
for srole in sroles:
|
|
case toLower(strip(srole))
|
|
of "":
|
|
discard
|
|
of "all":
|
|
res.incl(AllBeaconNodeRoles)
|
|
of "attestation":
|
|
res.incl({BeaconNodeRole.AttestationData,
|
|
BeaconNodeRole.AttestationPublish})
|
|
of "block":
|
|
res.incl({BeaconNodeRole.BlockProposalData,
|
|
BeaconNodeRole.BlockProposalPublish})
|
|
of "aggregated":
|
|
res.incl({BeaconNodeRole.AggregatedData,
|
|
BeaconNodeRole.AggregatedPublish})
|
|
of "sync":
|
|
res.incl({BeaconNodeRole.SyncCommitteeData,
|
|
BeaconNodeRole.SyncCommitteePublish})
|
|
of "attestation-data":
|
|
res.incl(BeaconNodeRole.AttestationData)
|
|
of "attestation-publish":
|
|
res.incl(BeaconNodeRole.AttestationPublish)
|
|
of "aggregated-data":
|
|
res.incl(BeaconNodeRole.AggregatedData)
|
|
of "aggregated-publish":
|
|
res.incl(BeaconNodeRole.AggregatedPublish)
|
|
of "block-data":
|
|
res.incl(BeaconNodeRole.BlockProposalData)
|
|
of "block-publish":
|
|
res.incl(BeaconNodeRole.BlockProposalPublish)
|
|
of "sync-data":
|
|
res.incl(BeaconNodeRole.SyncCommitteeData)
|
|
of "sync-publish":
|
|
res.incl(BeaconNodeRole.SyncCommitteePublish)
|
|
of "duties":
|
|
res.incl(BeaconNodeRole.Duties)
|
|
of "no-timecheck":
|
|
res.incl(BeaconNodeRole.NoTimeCheck)
|
|
else:
|
|
return err("Invalid beacon node role string found")
|
|
if res == {BeaconNodeRole.NoTimeCheck}:
|
|
res.incl(AllBeaconNodeRoles)
|
|
ok(res)
|
|
|
|
proc normalizeUri*(r: Uri): Result[Uri, cstring] =
|
|
const
|
|
MissingPortNumber = cstring("Missing port number")
|
|
MissingHostname = cstring("Missing hostname")
|
|
UnknownScheme = cstring("Unknown scheme value")
|
|
|
|
if ($r).toLowerAscii().startsWith("http://") or
|
|
($r).toLowerAscii().startsWith("https://"):
|
|
# When a scheme is provided, only a hostname is required
|
|
if len(r.hostname) == 0: return err(MissingHostname)
|
|
return ok(r)
|
|
|
|
# Check for unknown scheme
|
|
if ($r).contains("://"):
|
|
return err(UnknownScheme)
|
|
|
|
# Add the default scheme (http)
|
|
let normalized =
|
|
if ($r).startsWith("//"):
|
|
parseUri("http:" & $r)
|
|
else:
|
|
parseUri("http://" & $r)
|
|
|
|
if len(normalized.hostname) == 0:
|
|
return err(MissingHostname)
|
|
|
|
if len(normalized.port) == 0:
|
|
return err(MissingPortNumber)
|
|
|
|
ok(normalized)
|
|
|
|
proc initClient*(uri: Uri): Result[RestClientRef, HttpAddressErrorType] =
|
|
let
|
|
flags = {
|
|
RestClientFlag.CommaSeparatedArray,
|
|
RestClientFlag.ResolveAlways
|
|
}
|
|
socketFlags = {SocketFlags.TcpNoDelay}
|
|
address = ? getHttpAddress(uri)
|
|
client = RestClientRef.new(address, flags = flags,
|
|
socketFlags = socketFlags)
|
|
ok(client)
|
|
|
|
proc init*(t: typedesc[BeaconNodeServerRef], remote: Uri,
|
|
index: int): Result[BeaconNodeServerRef, string] =
|
|
doAssert(index >= 0)
|
|
let
|
|
remoteUri = normalizeUri(remote).valueOr:
|
|
return err($error)
|
|
roles = parseRoles(remoteUri.anchor).valueOr:
|
|
return err($error)
|
|
server =
|
|
block:
|
|
let res = initClient(remoteUri)
|
|
if res.isOk():
|
|
BeaconNodeServerRef(
|
|
client: res.get(), endpoint: $remoteUri, index: index,
|
|
roles: roles, logIdent: $(res.get().address.getUri()),
|
|
uri: remoteUri, status: RestBeaconNodeStatus.Offline)
|
|
else:
|
|
if res.error.isCriticalError():
|
|
return err(res.error.toString())
|
|
BeaconNodeServerRef(
|
|
client: nil, endpoint: $remoteUri, index: index,
|
|
roles: roles, logIdent: $remoteUri, uri: remoteUri,
|
|
status: RestBeaconNodeStatus.Noname)
|
|
ok(server)
|
|
|
|
proc getMissingRoles*(n: openArray[BeaconNodeServerRef]): set[BeaconNodeRole] =
|
|
var res: set[BeaconNodeRole] = AllBeaconNodeRoles
|
|
for node in n.items():
|
|
res.excl(node.roles)
|
|
res
|
|
|
|
proc init*(t: typedesc[DutyAndProof], epoch: Epoch, dependentRoot: Eth2Digest,
|
|
duty: RestAttesterDuty,
|
|
slotSig: Opt[ValidatorSig]): DutyAndProof =
|
|
DutyAndProof(epoch: epoch, dependentRoot: dependentRoot, data: duty,
|
|
slotSig: slotSig)
|
|
|
|
proc init*(t: typedesc[ProposedData], epoch: Epoch, dependentRoot: Eth2Digest,
|
|
data: openArray[ProposerTask]): ProposedData =
|
|
ProposedData(epoch: epoch, dependentRoot: dependentRoot, duties: @data)
|
|
|
|
proc getCurrentSlot*(vc: ValidatorClientRef): Opt[Slot] =
|
|
let res = vc.beaconClock.now().toSlot()
|
|
if res.afterGenesis:
|
|
Opt.some(res.slot)
|
|
else:
|
|
Opt.none(Slot)
|
|
|
|
proc getAttesterDutiesForSlot*(vc: ValidatorClientRef,
|
|
slot: Slot): seq[DutyAndProof] =
|
|
## Returns all `DutyAndProof` for the given `slot`.
|
|
var res: seq[DutyAndProof]
|
|
let epoch = slot.epoch()
|
|
for key, item in mpairs(vc.attesters):
|
|
item.duties.withValue(epoch, duty):
|
|
if duty[].data.slot == slot:
|
|
res.add(duty[])
|
|
res
|
|
|
|
proc getSyncCommitteeDutiesForSlot*(vc: ValidatorClientRef,
|
|
slot: Slot): seq[SyncCommitteeDuty] =
|
|
## Returns all `SyncCommitteeDuty` for the given `slot`.
|
|
var res: seq[SyncCommitteeDuty]
|
|
let period = slot.sync_committee_period()
|
|
for key, item in mpairs(vc.syncCommitteeDuties):
|
|
item.duties.withValue(period, duty):
|
|
res.add(duty[])
|
|
res
|
|
|
|
proc getDurationToNextAttestation*(vc: ValidatorClientRef,
|
|
slot: Slot): string =
|
|
var minSlot = FAR_FUTURE_SLOT
|
|
let currentEpoch = slot.epoch()
|
|
for epoch in [currentEpoch, currentEpoch + 1'u64]:
|
|
for key, item in vc.attesters:
|
|
let duty = item.duties.getOrDefault(epoch, DefaultDutyAndProof)
|
|
if not(duty.isDefault()):
|
|
if (duty.data.slot < minSlot) and (duty.data.slot >= slot):
|
|
minSlot = duty.data.slot
|
|
if minSlot != FAR_FUTURE_SLOT:
|
|
break
|
|
|
|
if minSlot == FAR_FUTURE_SLOT:
|
|
"<unknown>"
|
|
else:
|
|
$(minSlot.attestation_deadline() - slot.start_beacon_time())
|
|
|
|
proc getDurationToNextBlock*(vc: ValidatorClientRef, slot: Slot): string =
|
|
var minSlot = FAR_FUTURE_SLOT
|
|
let currentEpoch = slot.epoch()
|
|
for epoch in [currentEpoch, currentEpoch + 1'u64]:
|
|
let data = vc.proposers.getOrDefault(epoch)
|
|
if not(data.isDefault()):
|
|
for item in data.duties:
|
|
if item.duty.pubkey in vc.attachedValidators[]:
|
|
if (item.duty.slot < minSlot) and (item.duty.slot >= slot):
|
|
minSlot = item.duty.slot
|
|
if minSlot != FAR_FUTURE_SLOT:
|
|
break
|
|
if minSlot == FAR_FUTURE_SLOT:
|
|
"<unknown>"
|
|
else:
|
|
$(minSlot.block_deadline() - slot.start_beacon_time())
|
|
|
|
iterator attesterDutiesForEpoch*(vc: ValidatorClientRef,
|
|
epoch: Epoch): DutyAndProof =
|
|
for key, item in vc.attesters:
|
|
let epochDuties = item.duties.getOrDefault(epoch)
|
|
if not(isDefault(epochDuties)):
|
|
yield epochDuties
|
|
|
|
iterator syncDutiesForPeriod*(vc: ValidatorClientRef,
|
|
period: SyncCommitteePeriod): SyncCommitteeDuty =
|
|
for key, item in vc.syncCommitteeDuties:
|
|
let periodDuties = item.duties.getOrDefault(period)
|
|
if not(isDefault(periodDuties)):
|
|
yield periodDuties
|
|
|
|
proc syncMembersSubscriptionInfoForPeriod*(
|
|
vc: ValidatorClientRef,
|
|
period: SyncCommitteePeriod
|
|
): seq[SyncCommitteeSubscriptionInfo] =
|
|
var res: seq[SyncCommitteeSubscriptionInfo]
|
|
for key, item in mpairs(vc.syncCommitteeDuties):
|
|
var cur: SyncCommitteeSubscriptionInfo
|
|
var initialized = false
|
|
|
|
item.duties.withValue(period, periodDuties):
|
|
if not(initialized):
|
|
cur.validator_index = periodDuties[].validator_index
|
|
initialized = true
|
|
cur.validator_sync_committee_indices.add(
|
|
periodDuties[].validator_sync_committee_indices)
|
|
|
|
if initialized:
|
|
res.add(cur)
|
|
res
|
|
|
|
proc getDelay*(vc: ValidatorClientRef, deadline: BeaconTime): TimeDiff =
|
|
vc.beaconClock.now() - deadline
|
|
|
|
proc getValidatorForDuties*(vc: ValidatorClientRef,
|
|
key: ValidatorPubKey, slot: Slot,
|
|
slashingSafe = false): Opt[AttachedValidator] =
|
|
vc.attachedValidators[].getValidatorForDuties(key, slot, slashingSafe)
|
|
|
|
proc forkAtEpoch*(vc: ValidatorClientRef, epoch: Epoch): Fork =
|
|
# If schedule is present, it MUST not be empty.
|
|
doAssert(len(vc.forks) > 0)
|
|
var res: Fork
|
|
for item in vc.forks:
|
|
if item.epoch <= epoch:
|
|
res = item
|
|
else:
|
|
break
|
|
res
|
|
|
|
proc getSubcommitteeIndex*(index: IndexInSyncCommittee): SyncSubcommitteeIndex =
|
|
SyncSubcommitteeIndex(uint16(index) div SYNC_SUBCOMMITTEE_SIZE)
|
|
|
|
proc currentSlot*(vc: ValidatorClientRef): Slot =
|
|
vc.beaconClock.now().slotOrZero()
|
|
|
|
proc addValidator*(vc: ValidatorClientRef, keystore: KeystoreData) =
|
|
let
|
|
withdrawalAddress =
|
|
if vc.keymanagerHost.isNil:
|
|
Opt.none Eth1Address
|
|
else:
|
|
vc.keymanagerHost[].getValidatorWithdrawalAddress(keystore.pubkey)
|
|
perValidatorDefaultFeeRecipient = getPerValidatorDefaultFeeRecipient(
|
|
vc.config.defaultFeeRecipient, withdrawalAddress)
|
|
feeRecipient = vc.config.validatorsDir.getSuggestedFeeRecipient(
|
|
keystore.pubkey, perValidatorDefaultFeeRecipient).valueOr(
|
|
perValidatorDefaultFeeRecipient)
|
|
gasLimit = vc.config.validatorsDir.getSuggestedGasLimit(
|
|
keystore.pubkey, vc.config.suggestedGasLimit).valueOr(
|
|
vc.config.suggestedGasLimit)
|
|
|
|
discard vc.attachedValidators[].addValidator(keystore, feeRecipient, gasLimit)
|
|
|
|
proc removeValidator*(vc: ValidatorClientRef,
|
|
pubkey: ValidatorPubKey) {.async.} =
|
|
let validator = vc.attachedValidators[].getValidator(pubkey).valueOr:
|
|
return
|
|
# Remove validator from ValidatorPool.
|
|
vc.attachedValidators[].removeValidator(pubkey)
|
|
|
|
case validator.kind
|
|
of ValidatorKind.Local:
|
|
discard
|
|
of ValidatorKind.Remote:
|
|
# We must close all the REST clients running for the remote validator.
|
|
let pending =
|
|
block:
|
|
var res: seq[Future[void]]
|
|
for item in validator.clients:
|
|
res.add(item[0].closeWait())
|
|
res
|
|
await allFutures(pending)
|
|
|
|
proc getFeeRecipient(vc: ValidatorClientRef, validator: AttachedValidator,
|
|
epoch: Epoch): Eth1Address =
|
|
getFeeRecipient(vc.dynamicFeeRecipientsStore, validator.pubkey,
|
|
validator.index, validator.validator,
|
|
vc.config.defaultFeeRecipient(),
|
|
vc.config.validatorsDir(), epoch)
|
|
|
|
proc getGasLimit(vc: ValidatorClientRef,
|
|
validator: AttachedValidator): uint64 =
|
|
getGasLimit(vc.config.validatorsDir, vc.config.suggestedGasLimit,
|
|
validator.pubkey)
|
|
|
|
proc prepareProposersList*(vc: ValidatorClientRef,
|
|
epoch: Epoch): seq[PrepareBeaconProposer] =
|
|
var res: seq[PrepareBeaconProposer]
|
|
for validator in vc.attachedValidators[].items():
|
|
if validator.index.isSome():
|
|
let
|
|
index = validator.index.get()
|
|
feeRecipient = vc.getFeeRecipient(validator, epoch)
|
|
res.add(PrepareBeaconProposer(validator_index: index,
|
|
fee_recipient: feeRecipient))
|
|
res
|
|
|
|
proc isDefault*(reg: SignedValidatorRegistrationV1): bool =
|
|
(reg.message.timestamp == 0'u64) or (reg.message.gas_limit == 0'u64)
|
|
|
|
proc isExpired(vc: ValidatorClientRef,
|
|
reg: SignedValidatorRegistrationV1, slot: Slot): bool =
|
|
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/bellatrix/validator.md#registration-dissemination
|
|
# This specification suggests validators re-submit to builder software every
|
|
# `EPOCHS_PER_VALIDATOR_REGISTRATION_SUBMISSION` epochs.
|
|
let
|
|
regTime = fromUnix(int64(reg.message.timestamp))
|
|
regSlot =
|
|
block:
|
|
let res = vc.beaconClock.toSlot(regTime)
|
|
if not(res.afterGenesis):
|
|
# This case should not have happened, but it could in case of time
|
|
# jumps (time could be modified by admin or ntpd).
|
|
return false
|
|
uint64(res.slot)
|
|
|
|
if regSlot > slot:
|
|
# This case should not have happened, but if it happens (time could be
|
|
# modified by admin or ntpd).
|
|
false
|
|
else:
|
|
(slot - regSlot) div SLOTS_PER_EPOCH >=
|
|
EPOCHS_BETWEEN_VALIDATOR_REGISTRATION
|
|
|
|
proc getValidatorRegistration(
|
|
vc: ValidatorClientRef,
|
|
validator: AttachedValidator,
|
|
timestamp: Time,
|
|
fork: Fork
|
|
): Result[PendingValidatorRegistration, RegistrationKind] =
|
|
if validator.index.isNone():
|
|
debug "Validator registration missing validator index",
|
|
validator = validatorLog(validator)
|
|
return err(RegistrationKind.MissingIndex)
|
|
|
|
let
|
|
cached = vc.validatorsRegCache.getOrDefault(validator.pubkey)
|
|
currentSlot =
|
|
block:
|
|
let res = vc.beaconClock.toSlot(timestamp)
|
|
if not(res.afterGenesis):
|
|
return err(RegistrationKind.IncorrectTime)
|
|
res.slot
|
|
|
|
if cached.isDefault() or vc.isExpired(cached, currentSlot):
|
|
if not cached.isDefault():
|
|
# Want to send it to relay, but not recompute perfectly fine cache
|
|
return ok(PendingValidatorRegistration(registration: cached, future: nil))
|
|
|
|
let
|
|
feeRecipient = vc.getFeeRecipient(validator, currentSlot.epoch())
|
|
gasLimit = vc.getGasLimit(validator)
|
|
var registration =
|
|
SignedValidatorRegistrationV1(
|
|
message: ValidatorRegistrationV1(
|
|
fee_recipient: ExecutionAddress(data: distinctBase(feeRecipient)),
|
|
gas_limit: gasLimit,
|
|
timestamp: uint64(timestamp.toUnix()),
|
|
pubkey: validator.pubkey
|
|
)
|
|
)
|
|
|
|
let sigfut = validator.getBuilderSignature(fork, registration.message)
|
|
if sigfut.finished():
|
|
# This is short-path if we able to create signature locally.
|
|
if not(sigfut.completed()):
|
|
let exc = sigfut.error()
|
|
debug "Got unexpected exception while signing validator registration",
|
|
validator = validatorLog(validator), error = exc.name,
|
|
reason = exc.msg
|
|
return err(RegistrationKind.ErrorSignature)
|
|
let sigres = sigfut.value()
|
|
if sigres.isErr():
|
|
debug "Failed to get signature for validator registration",
|
|
validator = validatorLog(validator), reason = sigres.error()
|
|
return err(RegistrationKind.NoSignature)
|
|
registration.signature = sigres.get()
|
|
# Updating cache table with new signed registration data
|
|
vc.validatorsRegCache[registration.message.pubkey] = registration
|
|
ok(PendingValidatorRegistration(registration: registration, future: nil))
|
|
else:
|
|
# Remote signature service involved, cache will be updated later.
|
|
ok(PendingValidatorRegistration(registration: registration,
|
|
future: sigfut))
|
|
else:
|
|
# Returning cached result.
|
|
err(RegistrationKind.Cached)
|
|
|
|
proc prepareRegistrationList*(
|
|
vc: ValidatorClientRef,
|
|
timestamp: Time,
|
|
fork: Fork
|
|
): Future[seq[SignedValidatorRegistrationV1]] {.async.} =
|
|
|
|
var
|
|
messages: seq[SignedValidatorRegistrationV1]
|
|
futures: seq[Future[SignatureResult]]
|
|
registrations: seq[SignedValidatorRegistrationV1]
|
|
total = vc.attachedValidators[].count()
|
|
succeed = 0
|
|
bad = 0
|
|
errors = 0
|
|
indexMissing = 0
|
|
feeMissing = 0
|
|
gasLimit = 0
|
|
cached = 0
|
|
timed = 0
|
|
|
|
for validator in vc.attachedValidators[].items():
|
|
let res = vc.getValidatorRegistration(validator, timestamp, fork)
|
|
if res.isOk():
|
|
let preg = res.get()
|
|
if preg.future.isNil():
|
|
registrations.add(preg.registration)
|
|
else:
|
|
messages.add(preg.registration)
|
|
futures.add(preg.future)
|
|
else:
|
|
case res.error()
|
|
of RegistrationKind.Cached: inc(cached)
|
|
of RegistrationKind.IncorrectTime: inc(timed)
|
|
of RegistrationKind.NoSignature: inc(bad)
|
|
of RegistrationKind.ErrorSignature: inc(errors)
|
|
of RegistrationKind.MissingIndex: inc(indexMissing)
|
|
of RegistrationKind.MissingFee: inc(feeMissing)
|
|
of RegistrationKind.MissingGasLimit: inc(gasLimit)
|
|
|
|
succeed = len(registrations)
|
|
|
|
if len(futures) > 0:
|
|
await allFutures(futures)
|
|
|
|
for index, future in futures.pairs():
|
|
if future.completed():
|
|
let sres = future.read()
|
|
if sres.isOk():
|
|
var reg = messages[index]
|
|
reg.signature = sres.get()
|
|
registrations.add(reg)
|
|
# Updating cache table
|
|
vc.validatorsRegCache[reg.message.pubkey] = reg
|
|
inc(succeed)
|
|
else:
|
|
inc(bad)
|
|
else:
|
|
inc(errors)
|
|
|
|
debug "Validator registrations prepared", total = total, succeed = succeed,
|
|
cached = cached, bad = bad, errors = errors,
|
|
index_missing = indexMissing, fee_missing = feeMissing,
|
|
incorrect_time = timed
|
|
|
|
return registrations
|
|
|
|
func init*(t: typedesc[ApiNodeFailure], failure: ApiFailure,
|
|
request: string, strategy: ApiStrategyKind,
|
|
node: BeaconNodeServerRef): ApiNodeFailure =
|
|
ApiNodeFailure(node: node, request: request, strategy: Opt.some(strategy),
|
|
failure: failure)
|
|
|
|
func init*(t: typedesc[ApiNodeFailure], failure: ApiFailure,
|
|
request: string, strategy: ApiStrategyKind,
|
|
node: BeaconNodeServerRef, reason: string): ApiNodeFailure =
|
|
ApiNodeFailure(node: node, request: request, strategy: Opt.some(strategy),
|
|
failure: failure, reason: reason)
|
|
|
|
func init*(t: typedesc[ApiNodeFailure], failure: ApiFailure,
|
|
request: string, strategy: ApiStrategyKind,
|
|
node: BeaconNodeServerRef, status: int,
|
|
reason: string): ApiNodeFailure =
|
|
ApiNodeFailure(node: node, request: request, strategy: Opt.some(strategy),
|
|
failure: failure, status: Opt.some(status), reason: reason)
|
|
|
|
func init*(t: typedesc[ApiNodeFailure], failure: ApiFailure,
|
|
request: string, node: BeaconNodeServerRef, status: int,
|
|
reason: string): ApiNodeFailure =
|
|
ApiNodeFailure(node: node, request: request,
|
|
failure: failure, status: Opt.some(status), reason: reason)
|
|
|
|
func init*(t: typedesc[ApiNodeFailure], failure: ApiFailure,
|
|
request: string, node: BeaconNodeServerRef,
|
|
reason: string): ApiNodeFailure =
|
|
ApiNodeFailure(node: node, request: request, failure: failure, reason: reason)
|
|
|
|
proc checkedWaitForSlot*(vc: ValidatorClientRef, destinationSlot: Slot,
|
|
offset: TimeDiff,
|
|
showLogs: bool): Future[Opt[Slot]] {.async.} =
|
|
let
|
|
currentTime = vc.beaconClock.now()
|
|
currentSlot = currentTime.slotOrZero()
|
|
chronosOffset = chronos.nanoseconds(
|
|
if offset.nanoseconds < 0: 0'i64 else: offset.nanoseconds)
|
|
|
|
var timeToSlot = (destinationSlot.start_beacon_time() - currentTime) +
|
|
chronosOffset
|
|
|
|
logScope:
|
|
start_time = shortLog(currentTime)
|
|
start_slot = shortLog(currentSlot)
|
|
dest_slot = shortLog(destinationSlot)
|
|
time_to_slot = shortLog(timeToSlot)
|
|
|
|
while true:
|
|
await sleepAsync(timeToSlot)
|
|
|
|
let
|
|
wallTime = vc.beaconClock.now()
|
|
wallSlot = wallTime.slotOrZero()
|
|
|
|
logScope:
|
|
wall_time = shortLog(wallTime)
|
|
wall_slot = shortLog(wallSlot)
|
|
|
|
if wallSlot < destinationSlot:
|
|
# While we were sleeping, the system clock changed and time moved
|
|
# backwards!
|
|
if wallSlot + 1 < destinationSlot:
|
|
# This is a critical condition where it's hard to reason about what
|
|
# to do next - we'll call the attention of the user here by shutting
|
|
# down.
|
|
if showLogs:
|
|
fatal "System time adjusted backwards significantly - " &
|
|
"clock may be inaccurate - shutting down"
|
|
return Opt.none(Slot)
|
|
else:
|
|
# Time moved back by a single slot - this could be a minor adjustment,
|
|
# for example when NTP does its thing after not working for a while
|
|
timeToSlot = destinationSlot.start_beacon_time() - wallTime +
|
|
chronosOffset
|
|
if showLogs:
|
|
warn "System time adjusted backwards, rescheduling slot actions"
|
|
continue
|
|
|
|
elif wallSlot > destinationSlot + SLOTS_PER_EPOCH:
|
|
if showLogs:
|
|
warn "Time moved forwards by more than an epoch, skipping ahead"
|
|
return Opt.some(wallSlot)
|
|
|
|
elif wallSlot > destinationSlot:
|
|
if showLogs:
|
|
notice "Missed expected slot start, catching up"
|
|
return Opt.some(wallSlot)
|
|
|
|
else:
|
|
return Opt.some(destinationSlot)
|
|
|
|
proc checkedWaitForNextSlot*(vc: ValidatorClientRef, curSlot: Opt[Slot],
|
|
offset: TimeDiff,
|
|
showLogs: bool): Future[Opt[Slot]] =
|
|
let
|
|
currentTime = vc.beaconClock.now()
|
|
currentSlot = curSlot.valueOr: currentTime.slotOrZero()
|
|
nextSlot = currentSlot + 1
|
|
|
|
vc.checkedWaitForSlot(nextSlot, offset, showLogs)
|
|
|
|
proc checkedWaitForNextSlot*(vc: ValidatorClientRef, offset: TimeDiff,
|
|
showLogs: bool): Future[Opt[Slot]] =
|
|
let
|
|
currentTime = vc.beaconClock.now()
|
|
currentSlot = currentTime.slotOrZero()
|
|
nextSlot = currentSlot + 1
|
|
|
|
vc.checkedWaitForSlot(nextSlot, offset, showLogs)
|
|
|
|
proc expectBlock*(vc: ValidatorClientRef, slot: Slot,
|
|
confirmations: int = 1): Future[seq[Eth2Digest]] =
|
|
var
|
|
retFuture = newFuture[seq[Eth2Digest]]("expectBlock")
|
|
waiter = BlockWaiter(future: retFuture, count: confirmations)
|
|
|
|
proc cancellation(udata: pointer) =
|
|
vc.blocksSeen.withValue(slot, adata):
|
|
adata[].waiters.keepItIf(it.future != retFuture)
|
|
|
|
proc scheduleCallbacks(data: var BlockDataItem,
|
|
waiter: BlockWaiter) =
|
|
data.waiters.add(waiter)
|
|
for mitem in data.waiters.mitems():
|
|
if mitem.count <= len(data.blocks):
|
|
if not(mitem.future.finished()): mitem.future.complete(data.blocks)
|
|
|
|
vc.blocksSeen.mgetOrPut(slot, BlockDataItem()).scheduleCallbacks(waiter)
|
|
if not(retFuture.finished()): retFuture.cancelCallback = cancellation
|
|
retFuture
|
|
|
|
proc registerBlock*(vc: ValidatorClientRef, eblck: EventBeaconBlockObject,
|
|
node: BeaconNodeServerRef) =
|
|
let
|
|
wallTime = vc.beaconClock.now()
|
|
delay = wallTime - eblck.slot.start_beacon_time()
|
|
|
|
debug "Block received", slot = eblck.slot,
|
|
block_root = shortLog(eblck.block_root), optimistic = eblck.optimistic,
|
|
node = node, delay = delay
|
|
|
|
proc scheduleCallbacks(data: var BlockDataItem,
|
|
blck: EventBeaconBlockObject) =
|
|
vc.rootsSeen[blck.block_root] = blck.slot
|
|
data.blocks.add(blck.block_root)
|
|
for mitem in data.waiters.mitems():
|
|
if mitem.count >= len(data.blocks):
|
|
if not(mitem.future.finished()): mitem.future.complete(data.blocks)
|
|
|
|
vc.blocksSeen.mgetOrPut(eblck.slot, BlockDataItem()).scheduleCallbacks(eblck)
|
|
|
|
proc pruneBlocksSeen*(vc: ValidatorClientRef, epoch: Epoch) =
|
|
var blocksSeen: Table[Slot, BlockDataItem]
|
|
for slot, item in vc.blocksSeen.pairs():
|
|
if (slot.epoch() + HISTORICAL_DUTIES_EPOCHS) >= epoch:
|
|
blocksSeen[slot] = item
|
|
else:
|
|
for root in item.blocks: vc.rootsSeen.del(root)
|
|
let blockRoot =
|
|
if len(item.blocks) == 0:
|
|
"<missing>"
|
|
elif len(item.blocks) == 1:
|
|
shortLog(item.blocks[0])
|
|
else:
|
|
"[" & item.blocks.mapIt(shortLog(it)).join(", ") & "]"
|
|
debug "Block data has been pruned", slot = slot, blocks = blockRoot
|
|
vc.blocksSeen = blocksSeen
|
|
|
|
proc waitForBlock*(
|
|
vc: ValidatorClientRef,
|
|
slot: Slot,
|
|
timediff: TimeDiff,
|
|
confirmations: int = 1
|
|
) {.async.} =
|
|
## This procedure will wait for a block proposal for a ``slot`` received
|
|
## by the beacon node.
|
|
let
|
|
startTime = Moment.now()
|
|
waitTime = (start_beacon_time(slot) + timediff) - vc.beaconClock.now()
|
|
|
|
logScope:
|
|
slot = slot
|
|
timediff = timediff
|
|
wait_time = waitTime
|
|
|
|
debug "Waiting for block proposal"
|
|
|
|
if waitTime.nanoseconds <= 0'i64:
|
|
# We do not have time to wait for block.
|
|
return
|
|
|
|
let blocks =
|
|
try:
|
|
let timeout = nanoseconds(waitTime.nanoseconds)
|
|
await vc.expectBlock(slot, confirmations).wait(timeout)
|
|
except AsyncTimeoutError:
|
|
let dur = Moment.now() - startTime
|
|
debug "Block has not been received in time", duration = dur
|
|
return
|
|
except CancelledError as exc:
|
|
let dur = Moment.now() - startTime
|
|
debug "Block awaiting was interrupted", duration = dur
|
|
raise exc
|
|
except CatchableError as exc:
|
|
let dur = Moment.now() - startTime
|
|
error "Unexpected error occured while waiting for block publication",
|
|
err_name = exc.name, err_msg = exc.msg, duration = dur
|
|
return
|
|
|
|
let
|
|
dur = Moment.now() - startTime
|
|
blockRoot =
|
|
if len(blocks) == 0:
|
|
"<missing>"
|
|
elif len(blocks) == 1:
|
|
shortLog(blocks[0])
|
|
else:
|
|
"[" & blocks.mapIt(shortLog(it)).join(", ") & "]"
|
|
|
|
debug "Block proposal awaited", duration = dur,
|
|
block_root = blockRoot
|
|
|
|
try:
|
|
await waitAfterBlockCutoff(vc.beaconClock, slot)
|
|
except CancelledError as exc:
|
|
let dur = Moment.now() - startTime
|
|
debug "Waiting for block cutoff was interrupted", duration = dur
|
|
raise exc
|
|
|
|
iterator chunks*[T](data: openArray[T], maxCount: Positive): seq[T] =
|
|
for i in countup(0, len(data) - 1, maxCount):
|
|
yield @(data.toOpenArray(i, min(i + maxCount, len(data)) - 1))
|
|
|
|
func init*(t: typedesc[TimeOffset], duration: Duration): TimeOffset =
|
|
TimeOffset(value: duration.nanoseconds)
|
|
|
|
func init*(t: typedesc[TimeOffset], offset: int64): TimeOffset =
|
|
TimeOffset(value: offset)
|
|
|
|
func abs*(to: TimeOffset): TimeOffset =
|
|
TimeOffset(value: abs(to.value))
|
|
|
|
func milliseconds*(to: TimeOffset): int64 =
|
|
if to.value < 0:
|
|
-nanoseconds(-to.value).milliseconds
|
|
else:
|
|
nanoseconds(-to.value).milliseconds
|
|
|
|
func `<`*(a, b: TimeOffset): bool = a.value < b.value
|
|
func `<=`*(a, b: TimeOffset): bool = a.value <= b.value
|
|
func `==`*(a, b: TimeOffset): bool = a.value == b.value
|
|
|
|
func nanoseconds*(to: TimeOffset): int64 = to.value
|
|
|
|
proc waitForNextEpoch*(service: ClientServiceRef,
|
|
delay: Duration) {.async.} =
|
|
let
|
|
vc = service.client
|
|
sleepTime = vc.beaconClock.durationToNextEpoch() + delay
|
|
debug "Sleeping until next epoch", service = service.name,
|
|
sleep_time = sleepTime, delay = delay
|
|
await sleepAsync(sleepTime)
|
|
|
|
proc waitForNextEpoch*(service: ClientServiceRef): Future[void] =
|
|
waitForNextEpoch(service, ZeroDuration)
|
|
|
|
proc waitForNextSlot*(service: ClientServiceRef) {.async.} =
|
|
let vc = service.client
|
|
let sleepTime = vc.beaconClock.durationToNextSlot()
|
|
await sleepAsync(sleepTime)
|
|
|
|
func compareUnsorted*[T](a, b: openArray[T]): bool =
|
|
if len(a) != len(b):
|
|
return false
|
|
|
|
return
|
|
case len(a)
|
|
of 0:
|
|
true
|
|
of 1:
|
|
a[0] == b[0]
|
|
of 2:
|
|
((a[0] == b[0]) and (a[1] == b[1])) or ((a[0] == b[1]) and (a[1] == b[0]))
|
|
else:
|
|
let asorted = sorted(a)
|
|
let bsorted = sorted(b)
|
|
for index, item in asorted.pairs():
|
|
if item != bsorted[index]:
|
|
return false
|
|
true
|
|
|
|
func `==`*(a, b: SyncCommitteeDuty): bool =
|
|
(a.pubkey == b.pubkey) and
|
|
(a.validator_index == b.validator_index) and
|
|
compareUnsorted(a.validator_sync_committee_indices,
|
|
b.validator_sync_committee_indices)
|
|
|
|
proc updateRuntimeConfig*(vc: ValidatorClientRef,
|
|
node: BeaconNodeServerRef,
|
|
info: VCRuntimeConfig): Result[void, string] =
|
|
var forkConfig = ? info.getConsensusForkConfig()
|
|
|
|
if vc.runtimeConfig.forkConfig.isNone():
|
|
vc.runtimeConfig.forkConfig = Opt.some(forkConfig)
|
|
else:
|
|
template localForkConfig: untyped = vc.runtimeConfig.forkConfig.get()
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let wallEpoch = vc.beaconClock.now().slotOrZero().epoch()
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proc validateForkVersionCompatibility(
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consensusFork: ConsensusFork,
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localForkVersion: Opt[Version],
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localForkEpoch: Epoch,
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forkVersion: Opt[Version]): Result[void, string] =
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if localForkVersion.isNone():
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ok() # Potentially discovered new fork, save it at end of function
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else:
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if forkVersion.isSome():
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if forkVersion.get() == localForkVersion.get():
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ok() # Already known
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else:
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err("Beacon node has conflicting " &
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consensusFork.forkVersionConfigKey() & " value")
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else:
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if wallEpoch < localForkEpoch:
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debug "Beacon node must be updated before fork activates",
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node = node,
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consensusFork,
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forkEpoch = localForkEpoch
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ok()
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else:
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|
err("Beacon node must be updated and report correct " &
|
|
$consensusFork & " config value")
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|
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? ConsensusFork.Capella.validateForkVersionCompatibility(
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localForkConfig.capellaVersion,
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localForkConfig.capellaEpoch,
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|
forkConfig.capellaVersion)
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|
|
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proc validateForkEpochCompatibility(
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|
consensusFork: ConsensusFork,
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|
localForkEpoch: Epoch,
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|
forkEpoch: Epoch): Result[void, string] =
|
|
if localForkEpoch == FAR_FUTURE_EPOCH:
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|
ok() # Potentially discovered new fork, save it at end of function
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|
else:
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|
if forkEpoch != FAR_FUTURE_EPOCH:
|
|
if forkEpoch == localForkEpoch:
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|
ok() # Already known
|
|
else:
|
|
err("Beacon node has conflicting " &
|
|
consensusFork.forkEpochConfigKey() & " value")
|
|
else:
|
|
if wallEpoch < localForkEpoch:
|
|
debug "Beacon node must be updated before fork activates",
|
|
node = node,
|
|
consensusFork,
|
|
forkEpoch = localForkEpoch
|
|
ok()
|
|
else:
|
|
err("Beacon node must be updated and report correct " &
|
|
$consensusFork & " config value")
|
|
|
|
? ConsensusFork.Altair.validateForkEpochCompatibility(
|
|
localForkConfig.altairEpoch, forkConfig.altairEpoch)
|
|
? ConsensusFork.Capella.validateForkEpochCompatibility(
|
|
localForkConfig.capellaEpoch, forkConfig.capellaEpoch)
|
|
? ConsensusFork.Deneb.validateForkEpochCompatibility(
|
|
localForkConfig.denebEpoch, forkConfig.denebEpoch)
|
|
|
|
# Save newly discovered forks.
|
|
if localForkConfig.altairEpoch == FAR_FUTURE_EPOCH:
|
|
localForkConfig.altairEpoch = forkConfig.altairEpoch
|
|
if localForkConfig.capellaVersion.isNone():
|
|
localForkConfig.capellaVersion = forkConfig.capellaVersion
|
|
if localForkConfig.capellaEpoch == FAR_FUTURE_EPOCH:
|
|
localForkConfig.capellaEpoch = forkConfig.capellaEpoch
|
|
if localForkConfig.denebEpoch == FAR_FUTURE_EPOCH:
|
|
localForkConfig.denebEpoch = forkConfig.denebEpoch
|
|
|
|
ok()
|
|
|
|
proc `+`*(slot: Slot, epochs: Epoch): Slot =
|
|
slot + uint64(epochs) * SLOTS_PER_EPOCH
|
|
|
|
func finish_slot*(epoch: Epoch): Slot =
|
|
## Return the last slot of ``epoch``.
|
|
Slot((epoch + 1).start_slot() - 1)
|
|
|
|
proc getGraffitiBytes*(vc: ValidatorClientRef,
|
|
validator: AttachedValidator): GraffitiBytes =
|
|
getGraffiti(vc.config.validatorsDir, vc.config.defaultGraffitiBytes(),
|
|
validator.pubkey)
|