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86 lines
3.4 KiB
Go
86 lines
3.4 KiB
Go
package forkchoice
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import (
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"context"
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forkchoicetypes "github.com/prysmaticlabs/prysm/v4/beacon-chain/forkchoice/types"
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"github.com/prysmaticlabs/prysm/v4/beacon-chain/state"
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fieldparams "github.com/prysmaticlabs/prysm/v4/config/fieldparams"
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forkchoice2 "github.com/prysmaticlabs/prysm/v4/consensus-types/forkchoice"
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"github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
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)
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// BalancesByRooter is a handler to obtain the effective balances of the state
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// with the given block root
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type BalancesByRooter func(context.Context, [32]byte) ([]uint64, error)
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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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Lock()
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Unlock()
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RLock()
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RUnlock()
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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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Getter // to retrieve fork choice information.
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Setter // to set fork choice information.
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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, error)
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GetProposerHead() [32]byte
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CachedHeadRoot() [32]byte
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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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InsertNode(context.Context, state.BeaconState, [32]byte) error
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InsertChain(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, primitives.Epoch)
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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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AncestorRoot(ctx context.Context, root [32]byte, slot primitives.Slot) ([32]byte, error)
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CommonAncestor(ctx context.Context, root1 [32]byte, root2 [32]byte) ([32]byte, primitives.Slot, error)
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IsCanonical(root [32]byte) bool
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FinalizedCheckpoint() *forkchoicetypes.Checkpoint
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IsViableForCheckpoint(*forkchoicetypes.Checkpoint) (bool, error)
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FinalizedPayloadBlockHash() [32]byte
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JustifiedCheckpoint() *forkchoicetypes.Checkpoint
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PreviousJustifiedCheckpoint() *forkchoicetypes.Checkpoint
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JustifiedPayloadBlockHash() [32]byte
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UnrealizedJustifiedPayloadBlockHash() [32]byte
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NodeCount() int
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HighestReceivedBlockSlot() primitives.Slot
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ReceivedBlocksLastEpoch() (uint64, error)
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ForkChoiceDump(context.Context) (*forkchoice2.Dump, error)
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Weight(root [32]byte) (uint64, error)
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Tips() ([][32]byte, []primitives.Slot)
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IsOptimistic(root [32]byte) (bool, error)
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ShouldOverrideFCU() bool
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Slot([32]byte) (primitives.Slot, error)
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LastRoot(primitives.Epoch) [32]byte
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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(context.Context, *forkchoicetypes.Checkpoint) error
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UpdateFinalizedCheckpoint(*forkchoicetypes.Checkpoint) error
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SetGenesisTime(uint64)
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SetOriginRoot([32]byte)
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NewSlot(context.Context, primitives.Slot) error
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SetBalancesByRooter(BalancesByRooter)
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InsertSlashedIndex(context.Context, primitives.ValidatorIndex)
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}
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