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Refactor StandaloneApiServer factory (#11842)
To enable direct IndexServer building (and enable two step ApiServer build process) This will be needed for KV WriteService proxy: a wrapper is being build to serve deduplication time conversion, which needs access to completion service. changelog_begin changelog_end
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...articipant-integration-api/src/main/scala/platform/apiserver/StandaloneIndexService.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| // Copyright (c) 2021 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved. | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| package com.daml.platform.apiserver | ||
|
|
||
| import java.io.File | ||
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|
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| import akka.stream.Materializer | ||
| import com.daml.ledger.api.domain | ||
| import com.daml.ledger.configuration.LedgerId | ||
| import com.daml.ledger.participant.state.index.v2.IndexService | ||
| import com.daml.ledger.resources.ResourceOwner | ||
| import com.daml.lf.data.Ref | ||
| import com.daml.lf.data.Time.Timestamp | ||
| import com.daml.lf.engine.{Engine, ValueEnricher} | ||
| import com.daml.logging.LoggingContext | ||
| import com.daml.metrics.Metrics | ||
| import com.daml.platform.configuration.ServerRole | ||
| import com.daml.platform.index.JdbcIndex | ||
| import com.daml.platform.packages.InMemoryPackageStore | ||
| import com.daml.platform.store.LfValueTranslationCache | ||
|
|
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| import scala.concurrent.ExecutionContextExecutor | ||
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| object StandaloneIndexService { | ||
| def apply( | ||
| ledgerId: LedgerId, | ||
| config: ApiServerConfig, | ||
| metrics: Metrics, | ||
| engine: Engine, | ||
| servicesExecutionContext: ExecutionContextExecutor, | ||
| lfValueTranslationCache: LfValueTranslationCache.Cache, | ||
| )(implicit | ||
| materializer: Materializer, | ||
| loggingContext: LoggingContext, | ||
| ): ResourceOwner[IndexService] = { | ||
| val participantId: Ref.ParticipantId = config.participantId | ||
| val valueEnricher = new ValueEnricher(engine) | ||
|
|
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| def preloadPackages(packageContainer: InMemoryPackageStore): Unit = { | ||
| for { | ||
| (pkgId, _) <- packageContainer.listLfPackagesSync() | ||
| pkg <- packageContainer.getLfPackageSync(pkgId) | ||
| } { | ||
| engine | ||
| .preloadPackage(pkgId, pkg) | ||
| .consume( | ||
| { _ => | ||
| sys.error("Unexpected request of contract") | ||
| }, | ||
| packageContainer.getLfPackageSync, | ||
| { _ => | ||
| sys.error("Unexpected request of contract key") | ||
| }, | ||
| ) | ||
| () | ||
| } | ||
| } | ||
|
|
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| def loadDamlPackages(): InMemoryPackageStore = { | ||
| // TODO is it sensible to have all the initial packages to be known since the epoch? | ||
| config.archiveFiles | ||
| .foldLeft[Either[(String, File), InMemoryPackageStore]](Right(InMemoryPackageStore.empty)) { | ||
| case (storeE, f) => | ||
| storeE.flatMap(_.withDarFile(Timestamp.now(), None, f).left.map(_ -> f)) | ||
| } | ||
| .fold({ case (err, file) => sys.error(s"Could not load package $file: $err") }, identity) | ||
| } | ||
|
|
||
| for { | ||
| _ <- ResourceOwner.forValue(() => { | ||
| val packageStore = loadDamlPackages() | ||
| preloadPackages(packageStore) | ||
| }) | ||
| indexService <- JdbcIndex | ||
| .owner( | ||
| serverRole = ServerRole.ApiServer, | ||
| ledgerId = domain.LedgerId(ledgerId), | ||
| participantId = participantId, | ||
| jdbcUrl = config.jdbcUrl, | ||
| databaseConnectionPoolSize = config.databaseConnectionPoolSize, | ||
| databaseConnectionTimeout = config.databaseConnectionTimeout, | ||
| eventsPageSize = config.eventsPageSize, | ||
| eventsProcessingParallelism = config.eventsProcessingParallelism, | ||
| acsIdPageSize = config.acsIdPageSize, | ||
| acsIdFetchingParallelism = config.acsIdFetchingParallelism, | ||
| acsContractFetchingParallelism = config.acsContractFetchingParallelism, | ||
| servicesExecutionContext = servicesExecutionContext, | ||
| metrics = metrics, | ||
| lfValueTranslationCache = lfValueTranslationCache, | ||
| enricher = valueEnricher, | ||
| maxContractStateCacheSize = config.maxContractStateCacheSize, | ||
| maxContractKeyStateCacheSize = config.maxContractKeyStateCacheSize, | ||
| enableMutableContractStateCache = config.enableMutableContractStateCache, | ||
| maxTransactionsInMemoryFanOutBufferSize = config.maxTransactionsInMemoryFanOutBufferSize, | ||
| enableInMemoryFanOutForLedgerApi = config.enableInMemoryFanOutForLedgerApi, | ||
| enableSelfServiceErrorCodes = config.enableSelfServiceErrorCodes, | ||
| ) | ||
| .map(index => new SpannedIndexService(new TimedIndexService(index, metrics))) | ||
| } yield indexService | ||
| } | ||
| } |
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