prysm-pulse/beacon-chain/db/iface/interface.go
Raul Jordan 3416962fc2
All Beacon Node Package-Level Godocs (#5677)
* package level godocs fixed

* all beacon node godocs

* comment and gaz

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-04-29 12:40:33 -05:00

139 lines
7.3 KiB
Go

// Package iface defines the actual database interface used
// by a Prysm beacon node, also containing useful, scoped interfaces such as
// a ReadOnlyDatabase.
package iface
import (
"context"
"io"
"github.com/ethereum/go-ethereum/common"
eth "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
"github.com/prysmaticlabs/prysm/beacon-chain/db/filters"
"github.com/prysmaticlabs/prysm/beacon-chain/state"
"github.com/prysmaticlabs/prysm/proto/beacon/db"
ethereum_beacon_p2p_v1 "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
)
// ReadOnlyDatabase -- See github.com/prysmaticlabs/prysm/beacon-chain/db.ReadOnlyDatabase
type ReadOnlyDatabase interface {
// Attestation related methods.
AttestationsByDataRoot(ctx context.Context, attDataRoot [32]byte) ([]*eth.Attestation, error)
Attestations(ctx context.Context, f *filters.QueryFilter) ([]*eth.Attestation, error)
HasAttestation(ctx context.Context, attDataRoot [32]byte) bool
// Block related methods.
Block(ctx context.Context, blockRoot [32]byte) (*eth.SignedBeaconBlock, error)
Blocks(ctx context.Context, f *filters.QueryFilter) ([]*eth.SignedBeaconBlock, error)
BlockRoots(ctx context.Context, f *filters.QueryFilter) ([][32]byte, error)
HasBlock(ctx context.Context, blockRoot [32]byte) bool
GenesisBlock(ctx context.Context) (*ethpb.SignedBeaconBlock, error)
IsFinalizedBlock(ctx context.Context, blockRoot [32]byte) bool
HighestSlotBlocks(ctx context.Context) ([]*ethpb.SignedBeaconBlock, error)
HighestSlotBlocksBelow(ctx context.Context, slot uint64) ([]*ethpb.SignedBeaconBlock, error)
// State related methods.
State(ctx context.Context, blockRoot [32]byte) (*state.BeaconState, error)
GenesisState(ctx context.Context) (*state.BeaconState, error)
HasState(ctx context.Context, blockRoot [32]byte) bool
StateSummary(ctx context.Context, blockRoot [32]byte) (*ethereum_beacon_p2p_v1.StateSummary, error)
HasStateSummary(ctx context.Context, blockRoot [32]byte) bool
HighestSlotStates(ctx context.Context) ([]*state.BeaconState, error)
HighestSlotStatesBelow(ctx context.Context, slot uint64) ([]*state.BeaconState, error)
// Slashing operations.
ProposerSlashing(ctx context.Context, slashingRoot [32]byte) (*eth.ProposerSlashing, error)
AttesterSlashing(ctx context.Context, slashingRoot [32]byte) (*eth.AttesterSlashing, error)
HasProposerSlashing(ctx context.Context, slashingRoot [32]byte) bool
HasAttesterSlashing(ctx context.Context, slashingRoot [32]byte) bool
// Block operations.
VoluntaryExit(ctx context.Context, exitRoot [32]byte) (*eth.VoluntaryExit, error)
HasVoluntaryExit(ctx context.Context, exitRoot [32]byte) bool
// Checkpoint operations.
JustifiedCheckpoint(ctx context.Context) (*eth.Checkpoint, error)
FinalizedCheckpoint(ctx context.Context) (*eth.Checkpoint, error)
// Archival data handlers for storing/retrieving historical beacon node information.
ArchivedActiveValidatorChanges(ctx context.Context, epoch uint64) (*ethereum_beacon_p2p_v1.ArchivedActiveSetChanges, error)
ArchivedCommitteeInfo(ctx context.Context, epoch uint64) (*ethereum_beacon_p2p_v1.ArchivedCommitteeInfo, error)
ArchivedBalances(ctx context.Context, epoch uint64) ([]uint64, error)
ArchivedValidatorParticipation(ctx context.Context, epoch uint64) (*eth.ValidatorParticipation, error)
ArchivedPointRoot(ctx context.Context, index uint64) [32]byte
HasArchivedPoint(ctx context.Context, index uint64) bool
LastArchivedIndexRoot(ctx context.Context) [32]byte
LastArchivedIndex(ctx context.Context) (uint64, error)
// Deposit contract related handlers.
DepositContractAddress(ctx context.Context) ([]byte, error)
// Powchain operations.
PowchainData(ctx context.Context) (*db.ETH1ChainData, error)
}
// NoHeadAccessDatabase -- See github.com/prysmaticlabs/prysm/beacon-chain/db.NoHeadAccessDatabase
type NoHeadAccessDatabase interface {
ReadOnlyDatabase
// Attestation related methods.
DeleteAttestation(ctx context.Context, attDataRoot [32]byte) error
DeleteAttestations(ctx context.Context, attDataRoots [][32]byte) error
SaveAttestation(ctx context.Context, att *eth.Attestation) error
SaveAttestations(ctx context.Context, atts []*eth.Attestation) error
// Block related methods.
DeleteBlock(ctx context.Context, blockRoot [32]byte) error
DeleteBlocks(ctx context.Context, blockRoots [][32]byte) error
SaveBlock(ctx context.Context, block *eth.SignedBeaconBlock) error
SaveBlocks(ctx context.Context, blocks []*eth.SignedBeaconBlock) error
SaveGenesisBlockRoot(ctx context.Context, blockRoot [32]byte) error
// State related methods.
SaveState(ctx context.Context, state *state.BeaconState, blockRoot [32]byte) error
SaveStates(ctx context.Context, states []*state.BeaconState, blockRoots [][32]byte) error
DeleteState(ctx context.Context, blockRoot [32]byte) error
DeleteStates(ctx context.Context, blockRoots [][32]byte) error
SaveStateSummary(ctx context.Context, summary *ethereum_beacon_p2p_v1.StateSummary) error
SaveStateSummaries(ctx context.Context, summaries []*ethereum_beacon_p2p_v1.StateSummary) error
// Slashing operations.
SaveProposerSlashing(ctx context.Context, slashing *eth.ProposerSlashing) error
SaveAttesterSlashing(ctx context.Context, slashing *eth.AttesterSlashing) error
DeleteProposerSlashing(ctx context.Context, slashingRoot [32]byte) error
DeleteAttesterSlashing(ctx context.Context, slashingRoot [32]byte) error
// Block operations.
SaveVoluntaryExit(ctx context.Context, exit *eth.VoluntaryExit) error
DeleteVoluntaryExit(ctx context.Context, exitRoot [32]byte) error
// Checkpoint operations.
SaveJustifiedCheckpoint(ctx context.Context, checkpoint *eth.Checkpoint) error
SaveFinalizedCheckpoint(ctx context.Context, checkpoint *eth.Checkpoint) error
// Archival data handlers for storing/retrieving historical beacon node information.
SaveArchivedActiveValidatorChanges(ctx context.Context, epoch uint64, changes *ethereum_beacon_p2p_v1.ArchivedActiveSetChanges) error
SaveArchivedCommitteeInfo(ctx context.Context, epoch uint64, info *ethereum_beacon_p2p_v1.ArchivedCommitteeInfo) error
SaveArchivedBalances(ctx context.Context, epoch uint64, balances []uint64) error
SaveArchivedValidatorParticipation(ctx context.Context, epoch uint64, part *eth.ValidatorParticipation) error
SaveArchivedPointRoot(ctx context.Context, blockRoot [32]byte, index uint64) error
SaveLastArchivedIndex(ctx context.Context, index uint64) error
// Deposit contract related handlers.
SaveDepositContractAddress(ctx context.Context, addr common.Address) error
// Powchain operations.
SavePowchainData(ctx context.Context, data *db.ETH1ChainData) error
}
// HeadAccessDatabase -- See github.com/prysmaticlabs/prysm/beacon-chain/db.HeadAccessDatabase
type HeadAccessDatabase interface {
NoHeadAccessDatabase
// Block related methods.
HeadBlock(ctx context.Context) (*eth.SignedBeaconBlock, error)
SaveHeadBlockRoot(ctx context.Context, blockRoot [32]byte) error
// State related methods.
HeadState(ctx context.Context) (*state.BeaconState, error)
}
// Database -- See github.com/prysmaticlabs/prysm/beacon-chain/db.Database
type Database interface {
io.Closer
HeadAccessDatabase
DatabasePath() string
ClearDB() error
// Backup and restore methods
Backup(ctx context.Context) error
// HistoricalStatesDeleted verifies historical states exist in DB.
HistoricalStatesDeleted(ctx context.Context) error
}