availability

package

v1.3.5 Latest Latest Go to latest Published: Mar 18, 2020 License: MIT Imports: 13 Imported by: 0

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var (

	// ErrDivByZero ..
	ErrDivByZero = errors.New("toSign of availability cannot be 0, mistake in protocol")
)

func BallotResult(
	bc engine.ChainReader, header *block.Header, shardID uint32,
) (shard.SlotList, shard.SlotList, shard.SlotList, error)

BallotResult returns (parentCommittee.Slots, payable, missing, err)

func BlockSigners(
	bitmap []byte, parentCommittee *shard.Committee,
) (shard.SlotList, shard.SlotList, error)

BlockSigners ..

func ComputeCurrentSigning(
	snapshot, wrapper *staking.ValidatorWrapper,
	blocksPerEpoch uint64,
) (*staking.Computed, error)

ComputeCurrentSigning returns (signed, toSign, quotient, error)

func IncrementValidatorSigningCounts(
	bc Reader,
	staked *shard.StakedSlots,
	state *state.DB,
	signers, missing shard.SlotList,
) error

IncrementValidatorSigningCounts ..

func IsBelowSigningThreshold(quotient numeric.Dec) bool

IsBelowSigningThreshold ..

type Reader interface {
	ReadValidatorSnapshot(
		addr common.Address,
	) (*staking.ValidatorWrapper, error)
}

Reader ..