events

package
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Published: Apr 1, 2024 License: GPL-3.0 Imports: 23 Imported by: 0

Documentation

Overview

Package events defines a gRPC events service implementation, following the official API standards https://ethereum.github.io/beacon-apis/#/. This package includes the events endpoint.

Index

Constants

View Source
const (
	// HeadTopic represents a new chain head event topic.
	HeadTopic = "head"
	// BlockTopic represents a new produced block event topic.
	BlockTopic = "block"
	// AttestationTopic represents a new submitted attestation event topic.
	AttestationTopic = "attestation"
	// VoluntaryExitTopic represents a new performed voluntary exit event topic.
	VoluntaryExitTopic = "voluntary_exit"
	// FinalizedCheckpointTopic represents a new finalized checkpoint event topic.
	FinalizedCheckpointTopic = "finalized_checkpoint"
	// ChainReorgTopic represents a chain reorganization event topic.
	ChainReorgTopic = "chain_reorg"
	// SyncCommitteeContributionTopic represents a new sync committee contribution event topic.
	SyncCommitteeContributionTopic = "contribution_and_proof"
	// BLSToExecutionChangeTopic represents a new received BLS to execution change event topic.
	BLSToExecutionChangeTopic = "bls_to_execution_change"
	// PayloadAttributesTopic represents a new payload attributes for execution payload building event topic.
	PayloadAttributesTopic = "payload_attributes"
	// BlobSidecarTopic represents a new blob sidecar event topic
	BlobSidecarTopic = "blob_sidecar"
	// ProposerSlashingTopic represents a new proposer slashing event topic
	ProposerSlashingTopic = "proposer_slashing"
	// AttesterSlashingTopic represents a new attester slashing event topic
	AttesterSlashingTopic = "attester_slashing"
	// LightClientFinalityUpdateTopic represents a new light client finality update event topic.
	LightClientFinalityUpdateTopic = "light_client_finality_update"
	// LightClientOptimisticUpdateTopic represents a new light client optimistic update event topic.
	LightClientOptimisticUpdateTopic = "light_client_optimistic_update"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type Server

type Server struct {
	StateNotifier     statefeed.Notifier
	OperationNotifier opfeed.Notifier
	HeadFetcher       blockchain.HeadFetcher
	ChainInfoFetcher  blockchain.ChainInfoFetcher
}

Server defines a server implementation of the gRPC events service, providing RPC endpoints to subscribe to events from the beacon node.

func (*Server) StreamEvents

func (s *Server) StreamEvents(w http.ResponseWriter, r *http.Request)

StreamEvents provides an endpoint to subscribe to the beacon node Server-Sent-Events stream. Consumers should use the eventsource implementation to listen for those events. Servers may send SSE comments beginning with ':' for any purpose, including to keep the event stream connection alive in the presence of proxy servers.

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