mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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a5881f924f
* Deprecate active count and committee cache flags * Merge branch 'master' into deprecate-flags
89 lines
5.3 KiB
Go
89 lines
5.3 KiB
Go
// Package iface exists to prevent circular dependencies when implementing the database interface.
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package iface
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import (
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"context"
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"io"
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"github.com/ethereum/go-ethereum/common"
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eth "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
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ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
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"github.com/prysmaticlabs/prysm/beacon-chain/db/filters"
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ethereum_beacon_p2p_v1 "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
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)
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// Database defines the necessary methods for Prysm's eth2 backend which may
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// be implemented by any key-value or relational database in practice.
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type Database interface {
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io.Closer
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DatabasePath() string
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ClearDB() error
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// Backup and restore methods
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Backup(ctx context.Context) error
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// Attestation related methods.
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AttestationsByDataRoot(ctx context.Context, attDataRoot [32]byte) ([]*eth.Attestation, error)
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Attestations(ctx context.Context, f *filters.QueryFilter) ([]*eth.Attestation, error)
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HasAttestation(ctx context.Context, attDataRoot [32]byte) bool
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DeleteAttestation(ctx context.Context, attDataRoot [32]byte) error
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DeleteAttestations(ctx context.Context, attDataRoots [][32]byte) error
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SaveAttestation(ctx context.Context, att *eth.Attestation) error
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SaveAttestations(ctx context.Context, atts []*eth.Attestation) error
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// Block related methods.
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Block(ctx context.Context, blockRoot [32]byte) (*eth.BeaconBlock, error)
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HeadBlock(ctx context.Context) (*eth.BeaconBlock, error)
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Blocks(ctx context.Context, f *filters.QueryFilter) ([]*eth.BeaconBlock, error)
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BlockRoots(ctx context.Context, f *filters.QueryFilter) ([][32]byte, error)
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HasBlock(ctx context.Context, blockRoot [32]byte) bool
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DeleteBlock(ctx context.Context, blockRoot [32]byte) error
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DeleteBlocks(ctx context.Context, blockRoots [][32]byte) error
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SaveBlock(ctx context.Context, block *eth.BeaconBlock) error
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SaveBlocks(ctx context.Context, blocks []*eth.BeaconBlock) error
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SaveHeadBlockRoot(ctx context.Context, blockRoot [32]byte) error
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GenesisBlock(ctx context.Context) (*ethpb.BeaconBlock, error)
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SaveGenesisBlockRoot(ctx context.Context, blockRoot [32]byte) error
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IsFinalizedBlock(ctx context.Context, blockRoot [32]byte) bool
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// Validator related methods.
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ValidatorIndex(ctx context.Context, publicKey [48]byte) (uint64, bool, error)
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HasValidatorIndex(ctx context.Context, publicKey [48]byte) bool
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DeleteValidatorIndex(ctx context.Context, publicKey [48]byte) error
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SaveValidatorIndex(ctx context.Context, publicKey [48]byte, validatorIdx uint64) error
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// State related methods.
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State(ctx context.Context, blockRoot [32]byte) (*ethereum_beacon_p2p_v1.BeaconState, error)
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HeadState(ctx context.Context) (*ethereum_beacon_p2p_v1.BeaconState, error)
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GenesisState(ctx context.Context) (*ethereum_beacon_p2p_v1.BeaconState, error)
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SaveState(ctx context.Context, state *ethereum_beacon_p2p_v1.BeaconState, blockRoot [32]byte) error
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DeleteState(ctx context.Context, blockRoot [32]byte) error
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DeleteStates(ctx context.Context, blockRoots [][32]byte) error
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// Slashing operations.
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ProposerSlashing(ctx context.Context, slashingRoot [32]byte) (*eth.ProposerSlashing, error)
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AttesterSlashing(ctx context.Context, slashingRoot [32]byte) (*eth.AttesterSlashing, error)
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SaveProposerSlashing(ctx context.Context, slashing *eth.ProposerSlashing) error
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SaveAttesterSlashing(ctx context.Context, slashing *eth.AttesterSlashing) error
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HasProposerSlashing(ctx context.Context, slashingRoot [32]byte) bool
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HasAttesterSlashing(ctx context.Context, slashingRoot [32]byte) bool
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DeleteProposerSlashing(ctx context.Context, slashingRoot [32]byte) error
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DeleteAttesterSlashing(ctx context.Context, slashingRoot [32]byte) error
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// Block operations.
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VoluntaryExit(ctx context.Context, exitRoot [32]byte) (*eth.VoluntaryExit, error)
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SaveVoluntaryExit(ctx context.Context, exit *eth.VoluntaryExit) error
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HasVoluntaryExit(ctx context.Context, exitRoot [32]byte) bool
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DeleteVoluntaryExit(ctx context.Context, exitRoot [32]byte) error
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// Checkpoint operations.
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JustifiedCheckpoint(ctx context.Context) (*eth.Checkpoint, error)
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FinalizedCheckpoint(ctx context.Context) (*eth.Checkpoint, error)
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SaveJustifiedCheckpoint(ctx context.Context, checkpoint *eth.Checkpoint) error
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SaveFinalizedCheckpoint(ctx context.Context, checkpoint *eth.Checkpoint) error
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// Archival data handlers for storing/retrieving historical beacon node information.
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ArchivedActiveValidatorChanges(ctx context.Context, epoch uint64) (*ethereum_beacon_p2p_v1.ArchivedActiveSetChanges, error)
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SaveArchivedActiveValidatorChanges(ctx context.Context, epoch uint64, changes *ethereum_beacon_p2p_v1.ArchivedActiveSetChanges) error
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ArchivedCommitteeInfo(ctx context.Context, epoch uint64) (*ethereum_beacon_p2p_v1.ArchivedCommitteeInfo, error)
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SaveArchivedCommitteeInfo(ctx context.Context, epoch uint64, info *ethereum_beacon_p2p_v1.ArchivedCommitteeInfo) error
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ArchivedBalances(ctx context.Context, epoch uint64) ([]uint64, error)
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SaveArchivedBalances(ctx context.Context, epoch uint64, balances []uint64) error
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ArchivedValidatorParticipation(ctx context.Context, epoch uint64) (*eth.ValidatorParticipation, error)
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SaveArchivedValidatorParticipation(ctx context.Context, epoch uint64, part *eth.ValidatorParticipation) error
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// Deposit contract related handlers.
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DepositContractAddress(ctx context.Context) ([]byte, error)
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SaveDepositContractAddress(ctx context.Context, addr common.Address) error
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}
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