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Submodule emerald-grpc
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151
src/main/kotlin/io/emeraldpay/dshackle/rpc/ChainEventMapper.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| package io.emeraldpay.dshackle.rpc | ||
|
|
||
| import com.google.protobuf.ByteString | ||
| import io.emeraldpay.api.proto.BlockchainOuterClass | ||
| import io.emeraldpay.api.proto.BlockchainOuterClass.SupportedMethodsEvent | ||
| import io.emeraldpay.api.proto.Common | ||
| import io.emeraldpay.dshackle.data.BlockContainer | ||
| import io.emeraldpay.dshackle.startup.QuorumForLabels | ||
| import io.emeraldpay.dshackle.upstream.Capability | ||
| import io.emeraldpay.dshackle.upstream.UpstreamAvailability | ||
| import io.emeraldpay.dshackle.upstream.finalization.FinalizationData | ||
| import io.emeraldpay.dshackle.upstream.lowerbound.LowerBoundData | ||
| import io.emeraldpay.dshackle.upstream.lowerbound.LowerBoundType | ||
| import org.springframework.stereotype.Component | ||
|
|
||
| @Component | ||
| class ChainEventMapper { | ||
|
|
||
| fun mapHead(head: BlockContainer): BlockchainOuterClass.ChainEvent { | ||
| return BlockchainOuterClass.ChainEvent.newBuilder() | ||
| .setHead( | ||
| BlockchainOuterClass.HeadEvent.newBuilder() | ||
| .setHeight(head.height) | ||
| .setSlot(head.slot) | ||
| .setTimestamp(head.timestamp.toEpochMilli()) | ||
| .setWeight(ByteString.copyFrom(head.difficulty.toByteArray())) | ||
| .setBlockId(head.hash.toHex()) | ||
| .setParentBlockId(head.parentHash?.toHex() ?: "") | ||
| .build(), | ||
| ) | ||
| .build() | ||
| } | ||
|
|
||
| fun mapCapabilities(capabilities: Collection<Capability>): BlockchainOuterClass.ChainEvent { | ||
| val caps = capabilities.map { | ||
| when (it) { | ||
| Capability.RPC -> BlockchainOuterClass.Capabilities.CAP_CALLS | ||
| Capability.BALANCE -> BlockchainOuterClass.Capabilities.CAP_BALANCE | ||
| Capability.WS_HEAD -> BlockchainOuterClass.Capabilities.CAP_WS_HEAD | ||
| } | ||
| } | ||
|
|
||
| return BlockchainOuterClass.ChainEvent.newBuilder() | ||
| .setCapabilitiesEvent( | ||
| BlockchainOuterClass.CapabilitiesEvent.newBuilder() | ||
| .addAllCapabilities(caps) | ||
| .build(), | ||
| ) | ||
| .build() | ||
| } | ||
|
|
||
| fun mapNodeDetails(nodeDetails: Collection<QuorumForLabels.QuorumItem>): BlockchainOuterClass.ChainEvent { | ||
| val details = nodeDetails.map { | ||
| BlockchainOuterClass.NodeDetails.newBuilder() | ||
| .setQuorum(it.quorum) | ||
| .addAllLabels( | ||
| it.labels.entries.map { label -> | ||
| BlockchainOuterClass.Label.newBuilder() | ||
| .setName(label.key) | ||
| .setValue(label.value) | ||
| .build() | ||
| }, | ||
| ).build() | ||
| } | ||
|
|
||
| return BlockchainOuterClass.ChainEvent.newBuilder() | ||
| .setNodesEvent( | ||
| BlockchainOuterClass.NodeDetailsEvent.newBuilder() | ||
| .addAllNodes(details) | ||
| .build(), | ||
| ) | ||
| .build() | ||
| } | ||
|
|
||
| fun mapFinalizationData(finalizationData: Collection<FinalizationData>): BlockchainOuterClass.ChainEvent { | ||
| val data = finalizationData.map { | ||
| Common.FinalizationData.newBuilder() | ||
| .setHeight(it.height) | ||
| .setType(it.type.toProtoFinalizationType()) | ||
| .build() | ||
| } | ||
|
|
||
| return BlockchainOuterClass.ChainEvent.newBuilder() | ||
| .setFinalizationDataEvent( | ||
| BlockchainOuterClass.FinalizationDataEvent.newBuilder() | ||
| .addAllFinalizationData(data) | ||
| .build(), | ||
| ) | ||
| .build() | ||
| } | ||
|
|
||
| fun mapLowerBounds(lowerBounds: Collection<LowerBoundData>): BlockchainOuterClass.ChainEvent { | ||
| val data = lowerBounds | ||
| .map { | ||
| BlockchainOuterClass.LowerBound.newBuilder() | ||
| .setLowerBoundTimestamp(it.timestamp) | ||
| .setLowerBoundType(mapLowerBoundType(it.type)) | ||
| .setLowerBoundValue(it.lowerBound) | ||
| .build() | ||
| } | ||
|
|
||
| return BlockchainOuterClass.ChainEvent.newBuilder() | ||
| .setLowerBoundsEvent( | ||
| BlockchainOuterClass.LowerBoundEvent.newBuilder() | ||
| .addAllLowerBounds(data) | ||
| .build(), | ||
| ) | ||
| .build() | ||
| } | ||
|
|
||
| fun chainStatus(status: UpstreamAvailability): BlockchainOuterClass.ChainEvent { | ||
| return BlockchainOuterClass.ChainEvent.newBuilder() | ||
| .setStatus( | ||
| BlockchainOuterClass.ChainStatus.newBuilder() | ||
| .setAvailability(Common.AvailabilityEnum.forNumber(status.grpcId)) | ||
| .build(), | ||
| ) | ||
| .build() | ||
| } | ||
|
|
||
| fun supportedMethods(methods: Collection<String>): BlockchainOuterClass.ChainEvent { | ||
| return BlockchainOuterClass.ChainEvent.newBuilder() | ||
| .setSupportedMethodsEvent( | ||
| SupportedMethodsEvent.newBuilder() | ||
| .addAllMethods(methods) | ||
| .build(), | ||
| ) | ||
| .build() | ||
| } | ||
|
|
||
| fun supportedSubs(subs: Collection<String>): BlockchainOuterClass.ChainEvent { | ||
| return BlockchainOuterClass.ChainEvent.newBuilder() | ||
| .setSupportedSubscriptionsEvent( | ||
| BlockchainOuterClass.SupportedSubscriptionsEvent.newBuilder() | ||
| .addAllSubs(subs) | ||
| .build(), | ||
| ) | ||
| .build() | ||
| } | ||
|
|
||
| private fun mapLowerBoundType(type: LowerBoundType): BlockchainOuterClass.LowerBoundType { | ||
| return when (type) { | ||
| LowerBoundType.SLOT -> BlockchainOuterClass.LowerBoundType.LOWER_BOUND_SLOT | ||
| LowerBoundType.UNKNOWN -> BlockchainOuterClass.LowerBoundType.LOWER_BOUND_UNSPECIFIED | ||
| LowerBoundType.STATE -> BlockchainOuterClass.LowerBoundType.LOWER_BOUND_STATE | ||
| LowerBoundType.BLOCK -> BlockchainOuterClass.LowerBoundType.LOWER_BOUND_BLOCK | ||
| LowerBoundType.TX -> BlockchainOuterClass.LowerBoundType.LOWER_BOUND_TX | ||
| LowerBoundType.LOGS -> BlockchainOuterClass.LowerBoundType.LOWER_BOUND_LOGS | ||
| } | ||
| } | ||
| } |
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128 changes: 128 additions & 0 deletions
128
src/main/kotlin/io/emeraldpay/dshackle/rpc/SubscribeChainStatus.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| package io.emeraldpay.dshackle.rpc | ||
|
|
||
| import io.emeraldpay.api.proto.BlockchainOuterClass | ||
| import io.emeraldpay.api.proto.Common | ||
| import io.emeraldpay.dshackle.Global | ||
| import io.emeraldpay.dshackle.data.BlockContainer | ||
| import io.emeraldpay.dshackle.upstream.Multistream | ||
| import io.emeraldpay.dshackle.upstream.MultistreamHolder | ||
| import io.emeraldpay.dshackle.upstream.state.MultistreamStateEvent | ||
| import org.slf4j.LoggerFactory | ||
| import org.springframework.stereotype.Service | ||
| import reactor.core.publisher.Flux | ||
| import reactor.core.publisher.Mono | ||
| import reactor.kotlin.core.publisher.switchIfEmpty | ||
|
|
||
| @Service | ||
| class SubscribeChainStatus( | ||
| private val multistreamHolder: MultistreamHolder, | ||
| private val chainEventMapper: ChainEventMapper, | ||
| ) { | ||
|
|
||
| companion object { | ||
| private val log = LoggerFactory.getLogger(SubscribeChainStatus::class.java) | ||
| } | ||
|
|
||
| fun chainStatuses(): Flux<BlockchainOuterClass.SubscribeChainStatusResponse> { | ||
| return Flux.merge( | ||
| // we need to track not only multistreams with upstreams but all of them | ||
| // because upstreams can be added in runtime with hot config reload | ||
| multistreamHolder.all() | ||
| .filter { Common.ChainRef.forNumber(it.chain.id) != null } | ||
| .map { ms -> | ||
| Flux.concat( | ||
| // the first event must be filled with all fields | ||
| firstFullEvent(ms), | ||
| Flux.merge( | ||
| // head events are separated from others | ||
| headEvents(ms), | ||
| multistreamEvents(ms), | ||
| ), | ||
| ) | ||
| }, | ||
| ).doOnError { | ||
| log.error("Error during sending chain statuses", it) | ||
| } | ||
| } | ||
|
|
||
| private fun multistreamEvents(ms: Multistream): Flux<BlockchainOuterClass.SubscribeChainStatusResponse> { | ||
| return ms.stateEvents() | ||
| .filter { it.isNotEmpty() } | ||
| .map { events -> | ||
| val response = BlockchainOuterClass.SubscribeChainStatusResponse.newBuilder() | ||
| val chainDescription = BlockchainOuterClass.ChainDescription.newBuilder() | ||
| .setChain(Common.ChainRef.forNumber(ms.chain.id)) | ||
|
|
||
| events.forEach { | ||
| chainDescription.addChainEvent(processMsEvent(it)) | ||
| } | ||
|
|
||
| response.setChainDescription(chainDescription.build()) | ||
| response.build() | ||
| } | ||
| } | ||
|
|
||
| private fun processMsEvent(event: MultistreamStateEvent): BlockchainOuterClass.ChainEvent { | ||
| return when (event) { | ||
| is MultistreamStateEvent.CapabilitiesEvent -> chainEventMapper.mapCapabilities(event.caps) | ||
| is MultistreamStateEvent.FinalizationEvent -> chainEventMapper.mapFinalizationData(event.finalizationData) | ||
| is MultistreamStateEvent.LowerBoundsEvent -> chainEventMapper.mapLowerBounds(event.lowerBounds) | ||
| is MultistreamStateEvent.MethodsEvent -> chainEventMapper.supportedMethods(event.methods) | ||
| is MultistreamStateEvent.NodeDetailsEvent -> chainEventMapper.mapNodeDetails(event.details) | ||
| is MultistreamStateEvent.StatusEvent -> chainEventMapper.chainStatus(event.status) | ||
| is MultistreamStateEvent.SubsEvent -> chainEventMapper.supportedSubs(event.subs) | ||
| } | ||
| } | ||
|
|
||
| private fun firstFullEvent(ms: Multistream): Mono<BlockchainOuterClass.SubscribeChainStatusResponse> { | ||
| return Mono.justOrEmpty(ms.getHead().getCurrent()) | ||
| .map { toFullResponse(it!!, ms) } | ||
| .switchIfEmpty { | ||
| // in case if there is still no head we mush wait until we get it | ||
| ms.getHead() | ||
| .getFlux() | ||
| .next() | ||
| .map { toFullResponse(it!!, ms) } | ||
| } | ||
| } | ||
|
|
||
| private fun headEvents(ms: Multistream): Flux<BlockchainOuterClass.SubscribeChainStatusResponse> { | ||
| return ms.getHead() | ||
| .getFlux() | ||
| .skip(1) | ||
| .map { | ||
| BlockchainOuterClass.SubscribeChainStatusResponse.newBuilder() | ||
| .setChainDescription( | ||
| BlockchainOuterClass.ChainDescription.newBuilder() | ||
| .setChain(Common.ChainRef.forNumber(ms.chain.id)) | ||
| .addChainEvent(chainEventMapper.mapHead(it)) | ||
| .build(), | ||
| ) | ||
| .build() | ||
| } | ||
| } | ||
|
|
||
| private fun toFullResponse(head: BlockContainer, ms: Multistream): BlockchainOuterClass.SubscribeChainStatusResponse { | ||
| return BlockchainOuterClass.SubscribeChainStatusResponse.newBuilder() | ||
| .setChainDescription( | ||
| BlockchainOuterClass.ChainDescription.newBuilder() | ||
| .setChain(Common.ChainRef.forNumber(ms.chain.id)) | ||
| .addChainEvent(chainEventMapper.chainStatus(ms.getStatus())) | ||
| .addChainEvent(chainEventMapper.mapHead(head)) | ||
| .addChainEvent(chainEventMapper.supportedMethods(ms.getMethods().getSupportedMethods())) | ||
| .addChainEvent(chainEventMapper.supportedSubs(ms.getEgressSubscription().getAvailableTopics())) | ||
| .addChainEvent(chainEventMapper.mapCapabilities(ms.getCapabilities())) | ||
| .addChainEvent(chainEventMapper.mapLowerBounds(ms.getLowerBounds())) | ||
| .addChainEvent(chainEventMapper.mapFinalizationData(ms.getFinalizations())) | ||
| .addChainEvent(chainEventMapper.mapNodeDetails(ms.getQuorumLabels())) | ||
| .build(), | ||
| ) | ||
| .setBuildInfo( | ||
| BlockchainOuterClass.BuildInfo.newBuilder() | ||
| .setVersion(Global.version) | ||
| .build(), | ||
| ) | ||
| .setFullResponse(true) | ||
| .build() | ||
| } | ||
| } |
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