smt

Documentation

Index

• Variables
• func CalculatePathRoot(path [][]byte, leafHash []byte, key []byte, hashAlgorithm crypto.Hash) ([]byte, error)
• func IsBitSet(bytes []byte, bitPosition int) bool
• type Data
• type SMT
  • func New(hasher hash.Hash, keyLength int, data []Data) (*SMT, error)
  • func (s *SMT) GetAuthPath(key []byte) ([][]byte, Data, error)
  • func (s *SMT) GetRootHash() []byte
  • func (s *SMT) PrettyPrint() string

Variables

var ErrInvalidKeyLength = errors.New("invalid key length")

Functions

func CalculatePathRoot

func CalculatePathRoot(path [][]byte, leafHash []byte, key []byte, hashAlgorithm crypto.Hash) ([]byte, error)

func IsBitSet

func IsBitSet(bytes []byte, bitPosition int) bool

Types

type Data

type Data interface {
	Key() []byte
	AddToHasher(hasher hash.Hash)
}

type SMT

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

func New

func New(hasher hash.Hash, keyLength int, data []Data) (*SMT, error)

New creates a new sparse merkle tree.

func (*SMT) GetAuthPath

func (s *SMT) GetAuthPath(key []byte) ([][]byte, Data, error)

GetAuthPath returns authentication path and leaf node data for given key.

func (*SMT) GetRootHash

func (s *SMT) GetRootHash() []byte

GetRootHash returns the root hash of the SMT.

func (*SMT) PrettyPrint

func (s *SMT) PrettyPrint() string