beacon

package
v3.2.1-rc.1 Latest Latest
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 Go to latest Published: Feb 2, 2023 License: GPL-3.0 Imports: 57 Imported by: 1

Documentation

Overview

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

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Server 

type Server struct {
	BeaconDB                      db.ReadOnlyDatabase
	ChainInfoFetcher              blockchain.ChainInfoFetcher
	GenesisTimeFetcher            blockchain.TimeFetcher
	BlockReceiver                 blockchain.BlockReceiver
	BlockNotifier                 blockfeed.Notifier
	OperationNotifier             operation.Notifier
	Broadcaster                   p2p.Broadcaster
	AttestationsPool              attestations.Pool
	SlashingsPool                 slashings.PoolManager
	VoluntaryExitsPool            voluntaryexits.PoolManager
	StateGenService               stategen.StateManager
	StateFetcher                  statefetcher.Fetcher
	HeadFetcher                   blockchain.HeadFetcher
	OptimisticModeFetcher         blockchain.OptimisticModeFetcher
	V1Alpha1ValidatorServer       *v1alpha1validator.Server
	SyncChecker                   sync.Checker
	CanonicalHistory              *stategen.CanonicalHistory
	ExecutionPayloadReconstructor execution.ExecutionPayloadReconstructor
	FinalizationFetcher           blockchain.FinalizationFetcher
	BLSChangesPool                blstoexec.PoolManager
}

Server defines a server implementation of the gRPC Beacon Chain service, providing RPC endpoints to access data relevant to the Ethereum Beacon Chain.

func (*Server) GetBlindedBlock added in v3.1.2 

func (bs *Server) GetBlindedBlock(ctx context.Context, req *ethpbv1.BlockRequest) (*ethpbv2.BlindedBlockResponse, error)

GetBlindedBlock retrieves blinded block for given block id.

func (*Server) GetBlindedBlockSSZ added in v3.1.2 

func (bs *Server) GetBlindedBlockSSZ(ctx context.Context, req *ethpbv1.BlockRequest) (*ethpbv2.SSZContainer, error)

GetBlindedBlockSSZ returns the SSZ-serialized version of the blinded beacon block for given block id.

func (*Server) GetBlock 

func (bs *Server) GetBlock(ctx context.Context, req *ethpbv1.BlockRequest) (*ethpbv1.BlockResponse, error)

GetBlock retrieves block details for given block ID.

func (*Server) GetBlockHeader 

func (bs *Server) GetBlockHeader(ctx context.Context, req *ethpbv1.BlockRequest) (*ethpbv1.BlockHeaderResponse, error)

GetBlockHeader retrieves block header for given block id.

func (*Server) GetBlockRoot 

func (bs *Server) GetBlockRoot(ctx context.Context, req *ethpbv1.BlockRequest) (*ethpbv1.BlockRootResponse, error)

GetBlockRoot retrieves hashTreeRoot of BeaconBlock/BeaconBlockHeader.

func (*Server) GetBlockSSZ 

func (bs *Server) GetBlockSSZ(ctx context.Context, req *ethpbv1.BlockRequest) (*ethpbv1.BlockSSZResponse, error)

GetBlockSSZ returns the SSZ-serialized version of the becaon block for given block ID.

func (*Server) GetBlockSSZV2 

func (bs *Server) GetBlockSSZV2(ctx context.Context, req *ethpbv2.BlockRequestV2) (*ethpbv2.SSZContainer, error)

GetBlockSSZV2 returns the SSZ-serialized version of the beacon block for given block ID.

func (*Server) GetBlockV2 

func (bs *Server) GetBlockV2(ctx context.Context, req *ethpbv2.BlockRequestV2) (*ethpbv2.BlockResponseV2, error)

GetBlockV2 retrieves block details for given block ID.

func (*Server) GetDepositContract 

func (_ *Server) GetDepositContract(ctx context.Context, _ *emptypb.Empty) (*ethpb.DepositContractResponse, error)

GetDepositContract retrieves deposit contract address and genesis fork version.

func (*Server) GetFinalityCheckpoints 

func (bs *Server) GetFinalityCheckpoints(ctx context.Context, req *ethpb.StateRequest) (*ethpb.StateFinalityCheckpointResponse, error)

GetFinalityCheckpoints returns finality checkpoints for state with given 'stateId'. In case finality is not yet achieved, checkpoint should return epoch 0 and ZERO_HASH as root.

func (*Server) GetForkSchedule 

func (_ *Server) GetForkSchedule(ctx context.Context, _ *emptypb.Empty) (*ethpb.ForkScheduleResponse, error)

GetForkSchedule retrieve all scheduled upcoming forks this node is aware of.

func (*Server) GetGenesis 

func (bs *Server) GetGenesis(ctx context.Context, _ *emptypb.Empty) (*ethpb.GenesisResponse, error)

GetGenesis retrieves details of the chain's genesis which can be used to identify chain.

func (*Server) GetRandao added in v3.2.0 

func (bs *Server) GetRandao(ctx context.Context, req *eth2.RandaoRequest) (*eth2.RandaoResponse, error)

GetRandao fetches the RANDAO mix for the requested epoch from the state identified by state_id. If an epoch is not specified then the RANDAO mix for the state's current epoch will be returned. By adjusting the state_id parameter you can query for any historic value of the RANDAO mix. Ordinarily states from the same epoch will mutate the RANDAO mix for that epoch as blocks are applied.

func (*Server) GetSpec 

func (_ *Server) GetSpec(ctx context.Context, _ *emptypb.Empty) (*ethpb.SpecResponse, error)

GetSpec retrieves specification configuration (without Phase 1 params) used on this node. Specification params list Values are returned with following format: - any value starting with 0x in the spec is returned as a hex string. - all other values are returned as number.

func (*Server) GetStateFork 

func (bs *Server) GetStateFork(ctx context.Context, req *ethpb.StateRequest) (*ethpb.StateForkResponse, error)

GetStateFork returns Fork object for state with given 'stateId'.

func (*Server) GetStateRoot 

func (bs *Server) GetStateRoot(ctx context.Context, req *ethpb.StateRequest) (*ethpb.StateRootResponse, error)

GetStateRoot calculates HashTreeRoot for state with given 'stateId'. If stateId is root, same value will be returned.

func (*Server) GetValidator 

func (bs *Server) GetValidator(ctx context.Context, req *ethpb.StateValidatorRequest) (*ethpb.StateValidatorResponse, error)

GetValidator returns a validator specified by state and id or public key along with status and balance.

func (*Server) GetWeakSubjectivity 

func (bs *Server) GetWeakSubjectivity(ctx context.Context, _ *empty.Empty) (*ethpbv1.WeakSubjectivityResponse, error)

GetWeakSubjectivity computes the starting epoch of the current weak subjectivity period, and then also determines the best block root and state root to use for a Checkpoint Sync starting from that point.

func (*Server) ListBLSToExecutionChanges added in v3.2.1 

func (bs *Server) ListBLSToExecutionChanges(ctx context.Context, _ *emptypb.Empty) (*ethpbv2.BLSToExecutionChangesPoolResponse, error)

ListBLSToExecutionChanges retrieves BLS to execution changes known by the node but not necessarily incorporated into any block

func (*Server) ListBlockAttestations 

func (bs *Server) ListBlockAttestations(ctx context.Context, req *ethpbv1.BlockRequest) (*ethpbv1.BlockAttestationsResponse, error)

ListBlockAttestations retrieves attestation included in requested block.

func (*Server) ListBlockHeaders 

func (bs *Server) ListBlockHeaders(ctx context.Context, req *ethpbv1.BlockHeadersRequest) (*ethpbv1.BlockHeadersResponse, error)

ListBlockHeaders retrieves block headers matching given query. By default it will fetch current head slot blocks.

func (*Server) ListCommittees 

func (bs *Server) ListCommittees(ctx context.Context, req *ethpb.StateCommitteesRequest) (*ethpb.StateCommitteesResponse, error)

ListCommittees retrieves the committees for the given state at the given epoch. If the requested slot and index are defined, only those committees are returned.

func (*Server) ListPoolAttestations 

func (bs *Server) ListPoolAttestations(ctx context.Context, req *ethpbv1.AttestationsPoolRequest) (*ethpbv1.AttestationsPoolResponse, error)

ListPoolAttestations retrieves attestations known by the node but not necessarily incorporated into any block. Allows filtering by committee index or slot.

func (*Server) ListPoolAttesterSlashings 

func (bs *Server) ListPoolAttesterSlashings(ctx context.Context, _ *emptypb.Empty) (*ethpbv1.AttesterSlashingsPoolResponse, error)

ListPoolAttesterSlashings retrieves attester slashings known by the node but not necessarily incorporated into any block.

func (*Server) ListPoolProposerSlashings 

func (bs *Server) ListPoolProposerSlashings(ctx context.Context, _ *emptypb.Empty) (*ethpbv1.ProposerSlashingPoolResponse, error)

ListPoolProposerSlashings retrieves proposer slashings known by the node but not necessarily incorporated into any block.

func (*Server) ListPoolVoluntaryExits 

func (bs *Server) ListPoolVoluntaryExits(ctx context.Context, _ *emptypb.Empty) (*ethpbv1.VoluntaryExitsPoolResponse, error)

ListPoolVoluntaryExits retrieves voluntary exits known by the node but not necessarily incorporated into any block.

func (*Server) ListSyncCommittees 

func (bs *Server) ListSyncCommittees(ctx context.Context, req *ethpbv2.StateSyncCommitteesRequest) (*ethpbv2.StateSyncCommitteesResponse, error)

ListSyncCommittees retrieves the sync committees for the given epoch. If the epoch is not passed in, then the sync committees for the epoch of the state will be obtained.

func (*Server) ListValidatorBalances 

func (bs *Server) ListValidatorBalances(ctx context.Context, req *ethpb.ValidatorBalancesRequest) (*ethpb.ValidatorBalancesResponse, error)

ListValidatorBalances returns a filterable list of validator balances.

func (*Server) ListValidators 

func (bs *Server) ListValidators(ctx context.Context, req *ethpb.StateValidatorsRequest) (*ethpb.StateValidatorsResponse, error)

ListValidators returns filterable list of validators with their balance, status and index.

func (*Server) SubmitAttestations 

func (bs *Server) SubmitAttestations(ctx context.Context, req *ethpbv1.SubmitAttestationsRequest) (*emptypb.Empty, error)

SubmitAttestations submits Attestation object to node. If attestation passes all validation constraints, node MUST publish attestation on appropriate subnet.

func (*Server) SubmitAttesterSlashing 

func (bs *Server) SubmitAttesterSlashing(ctx context.Context, req *ethpbv1.AttesterSlashing) (*emptypb.Empty, error)

SubmitAttesterSlashing submits AttesterSlashing object to node's pool and if passes validation node MUST broadcast it to network.

func (*Server) SubmitBlindedBlock 

func (bs *Server) SubmitBlindedBlock(ctx context.Context, req *ethpbv2.SignedBlindedBeaconBlockContainer) (*emptypb.Empty, error)

SubmitBlindedBlock instructs the beacon node to use the components of the `SignedBlindedBeaconBlock` to construct and publish a `SignedBeaconBlock` by swapping out the `transactions_root` for the corresponding full list of `transactions`. The beacon node should broadcast a newly constructed `SignedBeaconBlock` to the beacon network, to be included in the beacon chain. The beacon node is not required to validate the signed `BeaconBlock`, and a successful response (20X) only indicates that the broadcast has been successful. The beacon node is expected to integrate the new block into its state, and therefore validate the block internally, however blocks which fail the validation are still broadcast but a different status code is returned (202).

func (*Server) SubmitBlindedBlockSSZ 

func (bs *Server) SubmitBlindedBlockSSZ(ctx context.Context, req *ethpbv2.SSZContainer) (*emptypb.Empty, error)

SubmitBlindedBlockSSZ instructs the beacon node to use the components of the `SignedBlindedBeaconBlock` to construct and publish a `SignedBeaconBlock` by swapping out the `transactions_root` for the corresponding full list of `transactions`. The beacon node should broadcast a newly constructed `SignedBeaconBlock` to the beacon network, to be included in the beacon chain. The beacon node is not required to validate the signed `BeaconBlock`, and a successful response (20X) only indicates that the broadcast has been successful. The beacon node is expected to integrate the new block into its state, and therefore validate the block internally, however blocks which fail the validation are still broadcast but a different status code is returned (202).

The provided block must be SSZ-serialized.

func (*Server) SubmitBlock 

func (bs *Server) SubmitBlock(ctx context.Context, req *ethpbv2.SignedBeaconBlockContainer) (*emptypb.Empty, error)

SubmitBlock instructs the beacon node to broadcast a newly signed beacon block to the beacon network, to be included in the beacon chain. The beacon node is not required to validate the signed BeaconBlock, and a successful response (20X) only indicates that the broadcast has been successful. The beacon node is expected to integrate the new block into its state, and therefore validate the block internally, however blocks which fail the validation are still broadcast but a different status code is returned (202).

func (*Server) SubmitBlockSSZ 

func (bs *Server) SubmitBlockSSZ(ctx context.Context, req *ethpbv2.SSZContainer) (*emptypb.Empty, error)

SubmitBlockSSZ instructs the beacon node to broadcast a newly signed beacon block to the beacon network, to be included in the beacon chain. The beacon node is not required to validate the signed BeaconBlock, and a successful response (20X) only indicates that the broadcast has been successful. The beacon node is expected to integrate the new block into its state, and therefore validate the block internally, however blocks which fail the validation are still broadcast but a different status code is returned (202).

The provided block must be SSZ-serialized.

func (*Server) SubmitPoolSyncCommitteeSignatures 

func (bs *Server) SubmitPoolSyncCommitteeSignatures(ctx context.Context, req *ethpbv2.SubmitPoolSyncCommitteeSignatures) (*empty.Empty, error)

SubmitPoolSyncCommitteeSignatures submits sync committee signature objects to the node.

func (*Server) SubmitProposerSlashing 

func (bs *Server) SubmitProposerSlashing(ctx context.Context, req *ethpbv1.ProposerSlashing) (*emptypb.Empty, error)

SubmitProposerSlashing submits AttesterSlashing object to node's pool and if passes validation node MUST broadcast it to network.

func (*Server) SubmitSignedBLSToExecutionChanges added in v3.2.1 

func (bs *Server) SubmitSignedBLSToExecutionChanges(ctx context.Context, req *ethpbv2.SubmitBLSToExecutionChangesRequest) (*emptypb.Empty, error)

SubmitSignedBLSToExecutionChanges submits said object to the node's pool if it passes validation the node must broadcast it to the network.

func (*Server) SubmitVoluntaryExit 

func (bs *Server) SubmitVoluntaryExit(ctx context.Context, req *ethpbv1.SignedVoluntaryExit) (*emptypb.Empty, error)

SubmitVoluntaryExit submits SignedVoluntaryExit object to node's pool and if passes validation node MUST broadcast it to network.

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