merkle

package

v0.0.0 Latest Latest Go to latest Published: Apr 26, 2018 License: GPL-3.0 Imports: 7 Imported by: 0

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var Empty32Bytes = EmptyHash.Bytes()

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var EmptyHash = common.StringToHash("")

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var EmptyNode = NewNode(EmptyHash, nil, nil)

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var EmptySha3Hash = crypto.Keccak256Hash(EmptyHash.Bytes())

func EmptyMerkleTreeRoot(depth uint16) common.Hash

type Merkle struct {
	Root   common.Hash
	Depth  uint16
	Leaves Nodes
	Tree   Tree
}

func NewMerkle(depth uint16, hashes []common.Hash) (*Merkle, error)

func (m *Merkle) CheckMembership(hash common.Hash, proofByte []byte) error

CheckMembership prove hash exixts in the merkle tree

func (m *Merkle) CreateTree(leaves Nodes) common.Hash

func (m *Merkle) GenerateProof(hash common.Hash) (Proof, error)

func (m *Merkle) Index(hash common.Hash) int

type Node struct {
	Data  common.Hash
	Left  *Node
	Right *Node
}

func NewNode(data common.Hash, left, right *Node) *Node

func (n *Node) Bytes() []byte

type Nodes []*Node

func NewNodes(hashes ...common.Hash) Nodes

func (n Nodes) Bytes() (b []byte)

func (n Nodes) Hashes() []common.Hash

type Proof []common.Hash

func NewProof(bs ...[]byte) (Proof, error)

func (p Proof) Bytes() (b []byte)

type Tree [][]*Node