opinionhash

Documentation

Index

• func PutHasher(hasher *OpinionHasher)
• type OpinionHasher
  • func GetHasher() *OpinionHasher
  • func New() *OpinionHasher
  • func (h *OpinionHasher) Hash() (rst types.Hash32)
  • func (h *OpinionHasher) Reset()
  • func (h *OpinionHasher) Sum(dst []byte) []byte
  • func (h *OpinionHasher) WriteAbstain()
  • func (h *OpinionHasher) WritePrevious(hash types.Hash32)
  • func (h *OpinionHasher) WriteSupport(id types.BlockID, height uint64)

Functions

func PutHasher

func PutHasher(hasher *OpinionHasher)

PutHasher resets the hasher and puts it back to the pool.

Types

type OpinionHasher

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

OpinionHasher is a utility for computing opinion hash.

func GetHasher

func GetHasher() *OpinionHasher

GetHasher will get an OpinionHasher from the pool. It may or may not allocate a new one. Consumers are not required to call Reset() on the hasher before putting it back in the pool.

func New

func New() *OpinionHasher

New returns new instance of the opinion hasher.

func (*OpinionHasher) Hash

func (h *OpinionHasher) Hash() (rst types.Hash32)

Hash instantiates 32bytes and write hash.Sum to it.

func (*OpinionHasher) Reset

func (h *OpinionHasher) Reset()

Reset opinion hasher state.

func (*OpinionHasher) Sum

func (h *OpinionHasher) Sum(dst []byte) []byte

Sum appends hash sum to dst.

func (*OpinionHasher) WriteAbstain

func (h *OpinionHasher) WriteAbstain()

WriteAbstain writes abstain sentinel as an opinion.

func (*OpinionHasher) WritePrevious

func (h *OpinionHasher) WritePrevious(hash types.Hash32)

WritePrevious aggregated hash.

func (*OpinionHasher) WriteSupport

func (h *OpinionHasher) WriteSupport(id types.BlockID, height uint64)

WriteSupport writes id and height of the block.