sortition

package

v0.7.0 Latest Latest Go to latest Published: Feb 21, 2019 License: MIT Imports: 9 Imported by: 0

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

func NewSortition(state *state.State, signer crypto.Signer, chainID string) *Sortition

func (s *Sortition) Address() crypto.Address

func (s *Sortition) Evaluate(blockHeight uint64, blockHash []byte)

Evaluate return the vrf for self choosing to be a validator

func (s *Sortition) Verify(blockHash []byte, pb crypto.PublicKey, index uint64, proof []byte) bool

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

func NewVRF(signer crypto.Signer) VRF

func (vrf *VRF) Evaluate(m []byte) (index uint64, proof []byte)

Evaluate returns a random number between 0 and 10^18 with the proof

func (vrf *VRF) SetMax(max uint64)

func (vrf *VRF) Verify(msg []byte, publicKey crypto.PublicKey, proof []byte) (index uint64, result bool)

Verify ensure the proof is valid