prysm-pulse/beacon-chain/forkchoice/interfaces.go
terence tsao 168e06e607
Save sync tips to DB (#10171)
* Save sync tips to DB

* Fix build

* Update process_block_test.go

* Copy map

* Revert back to nil

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2022-02-06 18:00:47 +00:00

66 lines
2.4 KiB
Go

package forkchoice
import (
"context"
"time"
types "github.com/prysmaticlabs/eth2-types"
"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
)
// ForkChoicer represents the full fork choice interface composed of all of the sub-interfaces.
type ForkChoicer interface {
HeadRetriever // to compute head.
BlockProcessor // to track new block for fork choice.
AttestationProcessor // to track new attestation for fork choice.
Pruner // to clean old data for fork choice.
Getter // to retrieve fork choice information.
ProposerBooster // ability to boost timely-proposed block roots.
SyncTipper // to update and retrieve validated sync tips.
}
// HeadRetriever retrieves head root and optimistic info of the current chain.
type HeadRetriever interface {
Head(context.Context, types.Epoch, [32]byte, []uint64, types.Epoch) ([32]byte, error)
Optimistic(ctx context.Context, root [32]byte, slot types.Slot) (bool, error)
}
// BlockProcessor processes the block that's used for accounting fork choice.
type BlockProcessor interface {
ProcessBlock(context.Context, types.Slot, [32]byte, [32]byte, [32]byte, types.Epoch, types.Epoch) error
}
// AttestationProcessor processes the attestation that's used for accounting fork choice.
type AttestationProcessor interface {
ProcessAttestation(context.Context, []uint64, [32]byte, types.Epoch)
}
// Pruner prunes the fork choice upon new finalization. This is used to keep fork choice sane.
type Pruner interface {
Prune(context.Context, [32]byte) error
}
// ProposerBooster is able to boost the proposer's root score during fork choice.
type ProposerBooster interface {
BoostProposerRoot(ctx context.Context, blockSlot types.Slot, blockRoot [32]byte, genesisTime time.Time) error
ResetBoostedProposerRoot(ctx context.Context) error
}
// Getter returns fork choice related information.
type Getter interface {
Nodes() []*protoarray.Node
Node([32]byte) *protoarray.Node
HasNode([32]byte) bool
Store() *protoarray.Store
HasParent(root [32]byte) bool
AncestorRoot(ctx context.Context, root [32]byte, slot types.Slot) ([]byte, error)
IsCanonical(root [32]byte) bool
}
// SyncTipper returns sync tips related information.
type SyncTipper interface {
SyncedTips() map[[32]byte]types.Slot
UpdateSyncedTipsWithValidRoot(ctx context.Context, root [32]byte) error
UpdateSyncedTipsWithInvalidRoot(ctx context.Context, root [32]byte) error
}