blocks

package
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Published: Jun 10, 2021 License: MIT Imports: 12 Imported by: 0

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Constants

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const DefaultProofsEpoch = ^types.EpochID(0)

DefaultProofsEpoch is set such that it will never equal the current epoch

View Source
const NewBlockProtocol = "newBlock"

NewBlockProtocol is the protocol indicator for gossip blocks

Variables

This section is empty.

Functions

This section is empty.

Types

type BlockEligibilityValidator

type BlockEligibilityValidator struct {
	// contains filtered or unexported fields
}

BlockEligibilityValidator holds all the dependencies for validating block eligibility.

func NewBlockEligibilityValidator

func NewBlockEligibilityValidator(committeeSize, genesisActiveSetSize uint32, layersPerEpoch uint16, activationDb activationDB, beaconProvider *EpochBeaconProvider, validateVRF VRFValidationFunction, blockDB blockDB, log log.Log) *BlockEligibilityValidator

NewBlockEligibilityValidator returns a new BlockEligibilityValidator.

func (BlockEligibilityValidator) BlockSignedAndEligible

func (v BlockEligibilityValidator) BlockSignedAndEligible(block *types.Block) (bool, error)

BlockSignedAndEligible checks that a given block is signed and eligible. It returns true with no error or false and an error that explains why validation failed.

type BlockHandler

type BlockHandler struct {
	log.Log
	// contains filtered or unexported fields
}

BlockHandler is the struct responsible for storing meta data needed to process blocks from gossip

func NewBlockHandler

func NewBlockHandler(cfg Config, m mesh, v blockValidator, lg log.Log) *BlockHandler

NewBlockHandler creates new BlockHandler

func (*BlockHandler) HandleBlock

func (bh *BlockHandler) HandleBlock(ctx context.Context, data service.GossipMessage, sync service.Fetcher)

HandleBlock handles blocks from gossip

func (*BlockHandler) HandleBlockData

func (bh *BlockHandler) HandleBlockData(ctx context.Context, data []byte, sync service.Fetcher) error

HandleBlockData handles blocks from gossip and sync

type Config

type Config struct {
	Depth       int
	GoldenATXID types.ATXID
}

Config defines configuration for block handler

type EpochBeaconProvider

type EpochBeaconProvider struct{}

EpochBeaconProvider holds all the dependencies for generating an epoch beacon. There are currently none.

func (*EpochBeaconProvider) GetBeacon

func (p *EpochBeaconProvider) GetBeacon(epochNumber types.EpochID) []byte

GetBeacon returns a beacon given an epoch ID. The current implementation returns the epoch ID in byte format.

type Oracle

type Oracle struct {
	// contains filtered or unexported fields
}

Oracle is the oracle that provides block eligibility proofs for the miner.

func NewMinerBlockOracle

func NewMinerBlockOracle(committeeSize uint32, genesisActiveSetSize uint32, layersPerEpoch uint16, atxDB activationDB, beaconProvider *EpochBeaconProvider, vrfSigner vrfSigner, nodeID types.NodeID, isSynced func() bool, log log.Log) *Oracle

NewMinerBlockOracle returns a new Oracle.

func (*Oracle) BlockEligible

func (bo *Oracle) BlockEligible(layerID types.LayerID) (types.ATXID, []types.BlockEligibilityProof, []types.ATXID, error)

BlockEligible returns the ATXID and list of block eligibility proofs for the given layer. It caches proofs for a single epoch and only refreshes the cache if eligibility is queried for a different epoch.

func (*Oracle) GetEligibleLayers

func (bo *Oracle) GetEligibleLayers() []types.LayerID

GetEligibleLayers returns a list of layers in which the miner is eligible for at least one block. The list is returned in arbitrary order.

type VRFValidationFunction

type VRFValidationFunction func(publicKey, message, signature []byte) bool

VRFValidationFunction is the VRF validation function.

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