class RepairService extends NamedLogging with FlagCloseableAsync with HasCloseContext
Implements the repair commands. Repair commands work only if the participant has disconnected from the affected domains. Every individual repair commands is executed transactionally, i.e., either all its effects are applied or none. This is achieved in the same way as for request processing:
- A request counter is allocated for the repair request (namely the clean request head) and marked as com.digitalasset.canton.participant.protocol.RequestJournal.RequestState.Pending. The repair request's timestamp is the timestamp where processing starts again upon reconnection to the domain.
- All repair effects are persisted to the stores using the repair request counter.
- The clean request prehead is advanced to the repair request counter. This commits the changes. If multiple domains are involved, transactionality is ensured via the com.digitalasset.canton.resource.TransactionalStoreUpdate mechanism.
If anything goes wrong before advancing the clean request prehead, the already persisted data will be cleaned up upon the next repair request or reconnection to the domain.
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Instance Constructors
- new RepairService(participantId: ParticipantId, identityStoreFactory: TopologyStoreFactory, syncCrypto: SyncCryptoApiProvider, packagesDarsService: PackageService, damle: DAMLe, multiDomainEventLog: MultiDomainEventLog, syncDomainPersistentStateManager: SyncDomainPersistentStateManager, aliasManager: DomainAliasManager, parameters: ParticipantNodeParameters, indexedStringStore: IndexedStringStore, loggerFactory: NamedLoggerFactory)(implicit ec: ExecutionContext)
Type Members
- case class ReaderState(count: Int, readers: MultiSet[String]) extends Product with Serializable
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Value Members
- object ReaderState extends Serializable
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- def addContracts(domainId: DomainId, contractsToAdd: Seq[SerializableContractWithWitnesses], ignoreAlreadyAdded: Boolean)(implicit traceContext: TraceContext): Either[String, Unit]
Participant repair utility for manually adding contracts to a domain in an offline fashion.
Participant repair utility for manually adding contracts to a domain in an offline fashion.
- domainId
id of domain to add contracts to. The domain needs to be configured, but disconnected to prevent race conditions.
- contractsToAdd
contracts to add. Relevant pieces of each contract: create-arguments (LfContractInst), template-id (LfContractInst), contractId, ledgerCreateTime, salt (to be added to SerializableContract), and witnesses, SerializableContract.metadata is only validated, but otherwise ignored as stakeholders, signatories, maintainers and key can be recomputed from contracts.
- ignoreAlreadyAdded
whether to ignore and skip over contracts already added/present in the domain.
- final def asInstanceOf[T0]: T0
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- def changeDomain(contractIds: Seq[LfContractId], sourceDomainId: DomainId, targetDomainId: DomainId, skipInactive: Boolean, batchSize: PositiveInt)(implicit traceContext: TraceContext): EitherT[Future, String, Unit]
Change the association of a contract from one domain to another
Change the association of a contract from one domain to another
This function here allows us to manually insert a transfer out / in into the respective journals in order to move a contract from one domain to another. It obviously depends on all the counter parties running the same command. Otherwise, the participants will start to complain and possibly break.
- skipInactive
if true, then the migration will skip contracts in the contractId list that are inactive
- def changeDomainAwait(contractIds: Seq[LfContractId], sourceDomainId: DomainId, targetDomainId: DomainId, skipInactive: Boolean, batchSize: PositiveInt)(implicit traceContext: TraceContext): Either[String, Unit]
Participant repair utility for manually moving contracts from a source domain to a target domain in an offline fashion.
Participant repair utility for manually moving contracts from a source domain to a target domain in an offline fashion.
- contractIds
ids of contracts to move that reside in the sourceDomain
- sourceDomainId
the id of the source domain from which to move contracts
- targetDomainId
the id of the target domain to which to move contracts
- skipInactive
whether to only move contracts that are active in the source domain
- batchSize
how big the batches should be used during the migration
- def clone(): AnyRef
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- final def close(): Unit
Blocks until all earlier tasks have completed and then prevents further tasks from being run.
Blocks until all earlier tasks have completed and then prevents further tasks from being run.
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- def closeAsync(): Seq[AsyncOrSyncCloseable]
closeAsync asynchronously releases resources held by a future
closeAsync asynchronously releases resources held by a future
- returns
an ordered sequence of async and sync closeables with async closeables made up of future and timeout
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- RepairService → FlagCloseableAsync
- implicit val closeContext: CloseContext
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- def closingTimeout: FiniteDuration
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- def ignoreEvents(domain: DomainId, from: SequencerCounter, to: SequencerCounter, force: Boolean)(implicit traceContext: TraceContext): Either[String, Unit]
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- def isClosing: Boolean
Check whether we're closing.
Check whether we're closing. Susceptible to race conditions; unless you're using using this as a flag to the retry lib or you really know what you're doing, prefer performUnlessClosing and friends.
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- def keepTrackOfOpenFutures: Boolean
track running futures on shutdown
track running futures on shutdown
set to true to get detailed information about all futures that did not complete during shutdown. if set to false, we don't do anything.
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- def logger: TracedLogger
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- NamedLogging
- val loggerFactory: NamedLoggerFactory
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- RepairService → NamedLogging
- implicit def loggingContext(implicit traceContext: TraceContext): ErrorLoggingContext
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- def maxSleepMillis: Long
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- final def onClosed(): Unit
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- def performUnlessClosing[A](name: String)(f: => A)(implicit traceContext: TraceContext): UnlessShutdown[A]
Performs the task given by
funless a shutdown has been initiated.Performs the task given by
funless a shutdown has been initiated. The shutdown will only begin afterfcompletes, but other tasks may execute concurrently withf, if started using this function, or one of the other variants (performUnlessClosingF and performUnlessClosingEitherT). The tasks are assumed to take less than closingTimeout to complete.DO NOT CALL
this.closeas part off, because it will result in a deadlock.- f
The task to perform
- returns
scala.None$ if a shutdown has been initiated. Otherwise the result of the task.
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- def performUnlessClosingEitherT[E, R](name: String, onClosing: => E)(etf: => EitherT[Future, E, R])(implicit ec: ExecutionContext, traceContext: TraceContext): EitherT[Future, E, R]
Performs the EitherT[Future] given by
etfunless a shutdown has been initiated, in which case the provided error is returned instead.Performs the EitherT[Future] given by
etfunless a shutdown has been initiated, in which case the provided error is returned instead. Bothetfand the error are lazy;etfis only evaluated if there is no shutdown, the error only if we're shutting down. The shutdown will only begin afteretfcompletes, but other tasks may execute concurrently withetf, if started using this function, or one of the other variants (performUnlessClosing and performUnlessClosingF). The tasks are assumed to take less than closingTimeout to complete.DO NOT CALL
this.closeas part ofetf, because it will result in a deadlock.- etf
The task to perform
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- def performUnlessClosingEitherTF[E, R](name: String, onClosing: => E)(etf: => EitherT[Future, E, Future[R]])(implicit ec: ExecutionContext, traceContext: TraceContext): EitherT[Future, E, Future[R]]
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- def performUnlessClosingEitherU[E, R](name: String)(etf: => EitherT[Future, E, R])(implicit ec: ExecutionContext, traceContext: TraceContext): EitherT[FutureUnlessShutdown, E, R]
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- def performUnlessClosingF[A](name: String)(f: => Future[A])(implicit ec: ExecutionContext, traceContext: TraceContext): FutureUnlessShutdown[A]
Performs the Future given by
funless a shutdown has been initiated.Performs the Future given by
funless a shutdown has been initiated. The future is lazy and not evaluated during shutdown. The shutdown will only begin afterfcompletes, but other tasks may execute concurrently withf, if started using this function, or one of the other variants (performUnlessClosing and performUnlessClosingEitherT). The tasks are assumed to take less than closingTimeout to complete.DO NOT CALL
this.closeas part off, because it will result in a deadlock.- f
The task to perform
- returns
The future completes with com.digitalasset.canton.lifecycle.UnlessShutdown.AbortedDueToShutdown if a shutdown has been initiated. Otherwise the result of the task wrapped in com.digitalasset.canton.lifecycle.UnlessShutdown.Outcome.
- Definition Classes
- FlagCloseable
- def purgeContracts(domainId: DomainId, contractIds: Seq[LfContractId], ignoreAlreadyPurged: Boolean)(implicit traceContext: TraceContext): Either[String, Unit]
Participant repair utility for manually purging contracts from a domain in an offline fashion.
Participant repair utility for manually purging contracts from a domain in an offline fashion.
- domainId
id of domain to purge contracts from. The domain needs to be configured, but disconnected to prevent race conditions.
- contractIds
contract ids of contracts to purge.
- ignoreAlreadyPurged
whether to ignore and skip over contracts already purged/absent from the domain.
- def runOnShutdown[T](task: RunOnShutdown)(implicit traceContext: TraceContext): Unit
Register a task that will run onClose after all "performUnlessShutdown" tasks have finished
Register a task that will run onClose after all "performUnlessShutdown" tasks have finished
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- def runStateChanged(waitingState: Boolean = false): Unit
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- final def synchronized[T0](arg0: => T0): T0
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- def timeouts: ProcessingTimeout
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- RepairService → FlagCloseable
- def toString(): String
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- def unignoreEvents(domain: DomainId, from: SequencerCounter, to: SequencerCounter, force: Boolean)(implicit traceContext: TraceContext): Either[String, Unit]
- final def wait(arg0: Long, arg1: Int): Unit
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- final def wait(arg0: Long): Unit
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- final def wait(): Unit
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