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b582ca27e6
* Move chain inclusions to forkchoice handling * gaz * return early if no blocks are pending * Terence's review Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
81 lines
3.0 KiB
Go
81 lines
3.0 KiB
Go
package forkchoice
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import (
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"context"
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forkchoicetypes "github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/types"
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fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
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types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
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ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
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)
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// ForkChoicer represents the full fork choice interface composed of all the sub-interfaces.
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type ForkChoicer interface {
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HeadRetriever // to compute head.
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BlockProcessor // to track new block for fork choice.
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AttestationProcessor // to track new attestation for fork choice.
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Pruner // to clean old data for fork choice.
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Getter // to retrieve fork choice information.
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Setter // to set fork choice information.
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ProposerBooster // ability to boost timely-proposed block roots.
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}
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// HeadRetriever retrieves head root and optimistic info of the current chain.
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type HeadRetriever interface {
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Head(context.Context, [32]byte, []uint64) ([32]byte, error)
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Tips() ([][32]byte, []types.Slot)
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IsOptimistic(root [32]byte) (bool, error)
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}
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// BlockProcessor processes the block that's used for accounting fork choice.
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type BlockProcessor interface {
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InsertOptimisticBlock(ctx context.Context,
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slot types.Slot,
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root [32]byte,
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parentRoot [32]byte,
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payloadHash [32]byte,
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justifiedEpoch types.Epoch,
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finalizedEpoch types.Epoch,
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) error
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InsertOptimisticChain(context.Context, []*forkchoicetypes.BlockAndCheckpoints) error
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}
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// AttestationProcessor processes the attestation that's used for accounting fork choice.
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type AttestationProcessor interface {
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ProcessAttestation(context.Context, []uint64, [32]byte, types.Epoch)
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InsertSlashedIndex(context.Context, types.ValidatorIndex)
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}
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// Pruner prunes the fork choice upon new finalization. This is used to keep fork choice sane.
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type Pruner interface {
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Prune(context.Context, [32]byte) error
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}
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// ProposerBooster is able to boost the proposer's root score during fork choice.
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type ProposerBooster interface {
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BoostProposerRoot(ctx context.Context, args *forkchoicetypes.ProposerBoostRootArgs) error
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ResetBoostedProposerRoot(ctx context.Context) error
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}
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// Getter returns fork choice related information.
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type Getter interface {
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HasNode([32]byte) bool
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ProposerBoost() [fieldparams.RootLength]byte
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HasParent(root [32]byte) bool
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AncestorRoot(ctx context.Context, root [32]byte, slot types.Slot) ([]byte, error)
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CommonAncestorRoot(ctx context.Context, root1 [32]byte, root2 [32]byte) ([32]byte, error)
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IsCanonical(root [32]byte) bool
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FinalizedEpoch() types.Epoch
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JustifiedEpoch() types.Epoch
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ForkChoiceNodes() []*ethpb.ForkChoiceNode
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NodeCount() int
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}
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// Setter allows to set forkchoice information
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type Setter interface {
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SetOptimisticToValid(context.Context, [fieldparams.RootLength]byte) error
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SetOptimisticToInvalid(context.Context, [fieldparams.RootLength]byte, [fieldparams.RootLength]byte, [fieldparams.RootLength]byte) ([][32]byte, error)
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UpdateJustifiedCheckpoint(*ethpb.Checkpoint) error
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UpdateFinalizedCheckpoint(*ethpb.Checkpoint) error
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}
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