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 Go to latest Published: Jul 25, 2024 License: Apache-2.0 Imports: 41 Imported by: 51

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Constants

This section is empty.

Variables

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var ErrIncorrectType = errors.New("incorrect response type")

ErrIncorrectType is returned when the multi client obtain a response type it is not expecting.

Functions

func New 

func New(ctx context.Context, params ...Parameter) (client.Service, error)

New creates a new Ethereum 2 client service, connecting with a standard HTTP.

Types

type ContentType added in v0.18.0 

type ContentType int

ContentType defines the builder spec version. 

const (
	// ContentTypeUnknown implies an unknown content type.
	ContentTypeUnknown ContentType = iota
	// ContentTypeSSZ implies an SSZ content type.
	ContentTypeSSZ
	// ContentTypeJSON implies a JSON content type.
	ContentTypeJSON
)

func ParseFromMediaType added in v0.18.0 

func ParseFromMediaType(input string) (ContentType, error)

ParseFromMediaType parses a content type string as per http://www.iana.org/assignments/media-types/media-types.xhtml

func (*ContentType) MarshalJSON added in v0.18.0 

func (c *ContentType) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler.

func (ContentType) MediaType added in v0.18.0 

func (c ContentType) MediaType() string

MediaType returns the IANA name of the media type.

func (ContentType) String added in v0.18.0 

func (c ContentType) String() string

String returns a string representation of the struct.

func (*ContentType) UnmarshalJSON added in v0.18.0 

func (c *ContentType) UnmarshalJSON(input []byte) error

UnmarshalJSON implements json.Unmarshaler.

type HookFunc added in v0.20.0 

type HookFunc func(ctx context.Context, s *Service)

HookFunc is a function called when a hook is triggered.

type Hooks added in v0.20.0 

type Hooks struct {
	OnActive   HookFunc
	OnInactive HookFunc
	OnSynced   HookFunc
	OnDesynced HookFunc
}

Hooks provides hooks that will be called when certain events occur.

type Parameter 

type Parameter interface {
	// contains filtered or unexported methods
}

Parameter is the interface for service parameters.

func WithAddress 

func WithAddress(address string) Parameter

WithAddress provides the address for the endpoint.

func WithAllowDelayedStart added in v0.20.0 

func WithAllowDelayedStart(allowDelayedStart bool) Parameter

WithAllowDelayedStart allows the service to start even if the client is unavailable.

func WithCustomSpecSupport added in v0.21.4 

func WithCustomSpecSupport(customSpecSupport bool) Parameter

WithCustomSpecSupport switches from the built in static SSZ library to a new dynamic SSZ library, which is able to handle non-mainnet presets. Dynamic SSZ en-/decoding is much slower than the static one, so this should only be used if required.

func WithEnforceJSON added in v0.19.0 

func WithEnforceJSON(enforceJSON bool) Parameter

WithEnforceJSON forces all requests and responses to be in JSON, not sending or requesting SSZ.

func WithExtraHeaders added in v0.15.4 

func WithExtraHeaders(headers map[string]string) Parameter

WithExtraHeaders sets additional headers to be sent with each HTTP request.

func WithHooks added in v0.20.0 

func WithHooks(hooks *Hooks) Parameter

WithHooks sets the hooks for client activation and sync events.

func WithIndexChunkSize added in v0.8.1 

func WithIndexChunkSize(indexChunkSize int) Parameter

WithIndexChunkSize sets the maximum number of indices to send for individual validator requests.

func WithLogLevel 

func WithLogLevel(logLevel zerolog.Level) Parameter

WithLogLevel sets the log level for the module.

func WithMonitor added in v0.19.7 

func WithMonitor(monitor metrics.Service) Parameter

WithMonitor sets the monitor for the service.

func WithPubKeyChunkSize added in v0.8.1 

func WithPubKeyChunkSize(pubKeyChunkSize int) Parameter

WithPubKeyChunkSize sets the maximum number of public kyes to send for individual validator requests.

func WithReducedMemoryUsage added in v0.21.1 

func WithReducedMemoryUsage(reducedMemoryUsage bool) Parameter

WithReducedMemoryUsage reduces memory usage by disabling certain actions that may take significant amount of memory. Enabling this may result in longer response times.

func WithTimeout 

func WithTimeout(timeout time.Duration) Parameter

WithTimeout sets the maximum duration for all requests to the endpoint.

type Service 

type Service struct {
	// contains filtered or unexported fields
}

Service is an Ethereum 2 client service.

func (*Service) Address 

func (s *Service) Address() string

Address provides the address for the connection.

func (*Service) AggregateAttestation 

func (s *Service) AggregateAttestation(ctx context.Context,
	opts *api.AggregateAttestationOpts,
) (
	*api.Response[*phase0.Attestation],
	error,
)

AggregateAttestation fetches the aggregate attestation for the given options.

func (*Service) AttestationData 

func (s *Service) AttestationData(ctx context.Context,
	opts *api.AttestationDataOpts,
) (
	*api.Response[*phase0.AttestationData],
	error,
)

AttestationData obtains attestation data given the options.

func (*Service) AttestationPool 

func (s *Service) AttestationPool(ctx context.Context,
	opts *api.AttestationPoolOpts,
) (
	*api.Response[[]*phase0.Attestation],
	error,
)

AttestationPool obtains the attestation pool for the given options.

func (*Service) AttesterDuties 

func (s *Service) AttesterDuties(ctx context.Context,
	opts *api.AttesterDutiesOpts,
) (
	*api.Response[[]*apiv1.AttesterDuty],
	error,
)

AttesterDuties obtains attester duties.

func (*Service) BeaconBlockHeader 

func (s *Service) BeaconBlockHeader(ctx context.Context,
	opts *api.BeaconBlockHeaderOpts,
) (
	*api.Response[*apiv1.BeaconBlockHeader],
	error,
)

BeaconBlockHeader provides the block header given the opts.

func (*Service) BeaconBlockRoot 

func (s *Service) BeaconBlockRoot(ctx context.Context,
	opts *api.BeaconBlockRootOpts,
) (
	*api.Response[*phase0.Root],
	error,
)

BeaconBlockRoot fetches a block's root given a set of options.

func (*Service) BeaconCommittees 

func (s *Service) BeaconCommittees(ctx context.Context,
	opts *api.BeaconCommitteesOpts,
) (
	*api.Response[[]*apiv1.BeaconCommittee],
	error,
)

BeaconCommittees fetches all beacon committees for the epoch at the given state.

func (*Service) BeaconState 

func (s *Service) BeaconState(ctx context.Context,
	opts *api.BeaconStateOpts,
) (
	*api.Response[*spec.VersionedBeaconState],
	error,
)

BeaconState fetches a beacon state.

func (*Service) BeaconStateRandao added in v0.14.1 

func (s *Service) BeaconStateRandao(ctx context.Context, opts *api.BeaconStateRandaoOpts) (*api.Response[*phase0.Root], error)

BeaconStateRandao fetches the beacon state RANDAO given a set of options.

func (*Service) BeaconStateRoot added in v0.9.0 

func (s *Service) BeaconStateRoot(ctx context.Context, opts *api.BeaconStateRootOpts) (*api.Response[*phase0.Root], error)

BeaconStateRoot fetches the beacon state root given a set of options.

func (*Service) BlindedProposal deprecated added in v0.19.0 

func (s *Service) BlindedProposal(ctx context.Context,
	opts *api.BlindedProposalOpts,
) (
	*api.Response[*api.VersionedBlindedProposal],
	error,
)

BlindedProposal fetches a proposal for signing.

Deprecated: use `Proposal` instead.

func (*Service) BlobSidecars added in v0.19.0 

func (s *Service) BlobSidecars(ctx context.Context,
	opts *api.BlobSidecarsOpts,
) (
	*api.Response[[]*deneb.BlobSidecar],
	error,
)

BlobSidecars fetches the blobs sidecars given options.

func (*Service) CheckConnectionState added in v0.20.0 

func (s *Service) CheckConnectionState(ctx context.Context)

CheckConnectionState checks the connection state for the client, potentially updating its activation and sync states. This will call hooks supplied when creating the client if the state changes.

func (*Service) DepositContract 

func (s *Service) DepositContract(ctx context.Context,
	opts *api.DepositContractOpts,
) (
	*api.Response[*apiv1.DepositContract],
	error,
)

DepositContract provides details of the execution deposit contract for the chain.

func (*Service) Domain 

func (s *Service) Domain(ctx context.Context, domainType phase0.DomainType, epoch phase0.Epoch) (phase0.Domain, error)

Domain provides a domain for a given domain type at a given epoch.

func (*Service) EpochFromStateID 

func (s *Service) EpochFromStateID(ctx context.Context, stateID string) (phase0.Epoch, error)

EpochFromStateID parses the state ID and returns the relevant epoch.

func (*Service) Events 

func (s *Service) Events(ctx context.Context, topics []string, handler consensusclient.EventHandlerFunc) error

Events feeds requested events with the given topics to the supplied handler.

func (*Service) FarFutureEpoch 

func (*Service) FarFutureEpoch(_ context.Context) (phase0.Epoch, error)

FarFutureEpoch provides the values for FAR_FUTURE_EOPCH of the chain.

func (*Service) Finality 

func (s *Service) Finality(ctx context.Context,
	opts *api.FinalityOpts,
) (
	*api.Response[*apiv1.Finality],
	error,
)

Finality provides the finality given a state ID.

func (*Service) Fork 

func (s *Service) Fork(ctx context.Context,
	opts *api.ForkOpts,
) (
	*api.Response[*phase0.Fork],
	error,
)

Fork fetches fork information for the given options.

func (*Service) ForkChoice added in v0.18.1 

func (s *Service) ForkChoice(ctx context.Context,
	opts *api.ForkChoiceOpts,
) (
	*api.Response[*apiv1.ForkChoice],
	error,
)

ForkChoice fetches all current fork choice context.

func (*Service) ForkSchedule 

func (s *Service) ForkSchedule(ctx context.Context,
	opts *api.ForkScheduleOpts,
) (
	*api.Response[[]*phase0.Fork],
	error,
)

ForkSchedule provides details of past and future changes in the chain's fork version.

func (*Service) Genesis 

func (s *Service) Genesis(ctx context.Context,
	opts *api.GenesisOpts,
) (
	*api.Response[*apiv1.Genesis],
	error,
)

Genesis provides the genesis information of the chain.

func (*Service) GenesisDomain added in v0.15.5 

func (s *Service) GenesisDomain(ctx context.Context, domainType phase0.DomainType) (phase0.Domain, error)

GenesisDomain returns the domain for the given domain type at genesis. N.B. this is not always the same as the domain at epoch 0. It is possible for a chain's fork schedule to have multiple forks at genesis. In this situation, GenesisDomain() will return the first, and Domain() will return the last.

func (*Service) GenesisTime 

func (s *Service) GenesisTime(ctx context.Context) (time.Time, error)

GenesisTime provides the genesis time of the chain.

func (*Service) IsActive added in v0.20.0 

func (s *Service) IsActive() bool

IsActive returns true if the client is active.

func (*Service) IsSynced added in v0.20.0 

func (s *Service) IsSynced() bool

IsSynced returns true if the client is synced.

func (*Service) Name 

func (*Service) Name() string

Name provides the name of the service.

func (*Service) NodeClient added in v0.11.7 

func (s *Service) NodeClient(ctx context.Context) (*api.Response[string], error)

NodeClient provides the client for the node.

func (*Service) NodePeers added in v0.19.0 

func (s *Service) NodePeers(ctx context.Context, opts *api.NodePeersOpts) (*api.Response[[]*apiv1.Peer], error)

NodePeers obtains the peers of a node.

func (*Service) NodeSyncing 

func (s *Service) NodeSyncing(ctx context.Context, opts *api.NodeSyncingOpts) (*api.Response[*apiv1.SyncState], error)

NodeSyncing provides the syncing information for the node.

func (*Service) NodeVersion 

func (s *Service) NodeVersion(ctx context.Context,
	opts *api.NodeVersionOpts,
) (
	*api.Response[string],
	error,
)

NodeVersion provides the version information of the node.

func (*Service) Proposal added in v0.19.0 

func (s *Service) Proposal(ctx context.Context,
	opts *api.ProposalOpts,
) (
	*api.Response[*api.VersionedProposal],
	error,
)

Proposal fetches a potential beacon block for signing.

func (*Service) ProposerDuties 

func (s *Service) ProposerDuties(ctx context.Context,
	opts *api.ProposerDutiesOpts,
) (
	*api.Response[[]*apiv1.ProposerDuty],
	error,
)

ProposerDuties obtains proposer duties for the given options.

func (*Service) SignedBeaconBlock 

func (s *Service) SignedBeaconBlock(ctx context.Context,
	opts *api.SignedBeaconBlockOpts,
) (
	*api.Response[*spec.VersionedSignedBeaconBlock],
	error,
)

SignedBeaconBlock fetches a signed beacon block given a block ID.

func (*Service) SlotDuration 

func (s *Service) SlotDuration(ctx context.Context) (time.Duration, error)

SlotDuration provides the duration of a slot for the chain.

func (*Service) SlotFromStateID 

func (*Service) SlotFromStateID(_ context.Context, stateID string) (phase0.Slot, error)

SlotFromStateID parses the state ID and returns the relevant slot.

func (*Service) SlotsPerEpoch 

func (s *Service) SlotsPerEpoch(ctx context.Context) (uint64, error)

SlotsPerEpoch provides the number of slots per epoch for the chain.

func (*Service) Spec 

func (s *Service) Spec(ctx context.Context,
	opts *api.SpecOpts,
) (
	*api.Response[map[string]any],
	error,
)

Spec provides the spec information of the chain.

func (*Service) SubmitAggregateAttestations 

func (s *Service) SubmitAggregateAttestations(ctx context.Context, aggregateAndProofs []*phase0.SignedAggregateAndProof) error

SubmitAggregateAttestations submits aggregate attestations.

func (*Service) SubmitAttestations 

func (s *Service) SubmitAttestations(ctx context.Context, attestations []*phase0.Attestation) error

SubmitAttestations submits attestations.

func (*Service) SubmitAttesterSlashing added in v0.19.0 

func (s *Service) SubmitAttesterSlashing(ctx context.Context, slashing *phase0.AttesterSlashing) error

SubmitAttesterSlashing submits an attester slashing.

func (*Service) SubmitBLSToExecutionChanges added in v0.15.0 

func (s *Service) SubmitBLSToExecutionChanges(ctx context.Context,
	blsToExecutionChanges []*capella.SignedBLSToExecutionChange,
) error

SubmitBLSToExecutionChanges submits BLS to execution address change operations.

func (*Service) SubmitBeaconBlock deprecated 

func (s *Service) SubmitBeaconBlock(ctx context.Context, block *spec.VersionedSignedBeaconBlock) error

SubmitBeaconBlock submits a beacon block.

Deprecated: this will not work from the deneb hard-fork onwards. Use SubmitProposal() instead.

func (*Service) SubmitBeaconCommitteeSubscriptions 

func (s *Service) SubmitBeaconCommitteeSubscriptions(ctx context.Context, subscriptions []*api.BeaconCommitteeSubscription) error

SubmitBeaconCommitteeSubscriptions subscribes to beacon committees.

func (*Service) SubmitBlindedBeaconBlock deprecated added in v0.11.0 

func (s *Service) SubmitBlindedBeaconBlock(ctx context.Context, block *api.VersionedSignedBlindedBeaconBlock) error

SubmitBlindedBeaconBlock submits a blinded beacon block.

Deprecated: this will not work from the deneb hard-fork onwards. Use SubmitBlindedProposal() instead.

func (*Service) SubmitBlindedProposal added in v0.19.0 

func (s *Service) SubmitBlindedProposal(ctx context.Context,
	opts *api.SubmitBlindedProposalOpts,
) error

SubmitBlindedProposal submits a blinded proposal.

func (*Service) SubmitProposal added in v0.19.0 

func (s *Service) SubmitProposal(ctx context.Context,
	opts *api.SubmitProposalOpts,
) error

SubmitProposal submits a proposal.

func (*Service) SubmitProposalPreparations added in v0.11.0 

func (s *Service) SubmitProposalPreparations(ctx context.Context, preparations []*apiv1.ProposalPreparation) error

SubmitProposalPreparations provides the beacon node with information required if a proposal for the given validators shows up in the next epoch.

func (*Service) SubmitProposalSlashing added in v0.19.0 

func (s *Service) SubmitProposalSlashing(ctx context.Context, slashing *phase0.ProposerSlashing) error

SubmitProposalSlashing submits a proposal slashing.

func (*Service) SubmitSyncCommitteeContributions 

func (s *Service) SubmitSyncCommitteeContributions(ctx context.Context,
	contributionAndProofs []*altair.SignedContributionAndProof,
) error

SubmitSyncCommitteeContributions submits sync committee contributions.

func (*Service) SubmitSyncCommitteeMessages 

func (s *Service) SubmitSyncCommitteeMessages(ctx context.Context, messages []*altair.SyncCommitteeMessage) error

SubmitSyncCommitteeMessages submits sync committee messages.

func (*Service) SubmitSyncCommitteeSubscriptions 

func (s *Service) SubmitSyncCommitteeSubscriptions(ctx context.Context, subscriptions []*api.SyncCommitteeSubscription) error

SubmitSyncCommitteeSubscriptions subscribes to sync committees.

func (*Service) SubmitValidatorRegistrations added in v0.12.0 

func (s *Service) SubmitValidatorRegistrations(ctx context.Context,
	registrations []*api.VersionedSignedValidatorRegistration,
) error

SubmitValidatorRegistrations submits a validator registration.

func (*Service) SubmitVoluntaryExit 

func (s *Service) SubmitVoluntaryExit(ctx context.Context, voluntaryExit *phase0.SignedVoluntaryExit) error

SubmitVoluntaryExit submits a voluntary exit.

func (*Service) SyncCommittee 

func (s *Service) SyncCommittee(ctx context.Context,
	opts *api.SyncCommitteeOpts,
) (
	*api.Response[*apiv1.SyncCommittee],
	error,
)

SyncCommittee fetches the sync committee for epoch at the given state.

func (*Service) SyncCommitteeContribution 

func (s *Service) SyncCommitteeContribution(ctx context.Context,
	opts *api.SyncCommitteeContributionOpts,
) (
	*api.Response[*altair.SyncCommitteeContribution],
	error,
)

SyncCommitteeContribution provides a sync committee contribution.

func (*Service) SyncCommitteeDuties 

func (s *Service) SyncCommitteeDuties(ctx context.Context,
	opts *api.SyncCommitteeDutiesOpts,
) (
	*api.Response[[]*apiv1.SyncCommitteeDuty],
	error,
)

SyncCommitteeDuties obtains sync committee duties.

func (*Service) TargetAggregatorsPerCommittee 

func (s *Service) TargetAggregatorsPerCommittee(ctx context.Context) (uint64, error)

TargetAggregatorsPerCommittee provides the target aggregators per committee of the chain.

func (*Service) ValidatorBalances 

func (s *Service) ValidatorBalances(ctx context.Context,
	opts *api.ValidatorBalancesOpts,
) (
	*api.Response[map[phase0.ValidatorIndex]phase0.Gwei],
	error,
)

ValidatorBalances provides the validator balances for the given options.

func (*Service) Validators 

func (s *Service) Validators(ctx context.Context,
	opts *api.ValidatorsOpts,
) (
	*api.Response[map[phase0.ValidatorIndex]*apiv1.Validator],
	error,
)

Validators provides the validators, with their balance and status, for the given options.

func (*Service) VoluntaryExitPool added in v0.18.2 

func (s *Service) VoluntaryExitPool(ctx context.Context,
	opts *api.VoluntaryExitPoolOpts,
) (
	*api.Response[[]*phase0.SignedVoluntaryExit],
	error,
)

VoluntaryExitPool obtains the voluntary exit pool.

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