mpt

package

v1.5.9 Latest Latest Go to latest Published: Jan 25, 2024 License: LGPL-3.0 Imports: 6 Imported by: 0

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Repository

github.com/Conflux-Chain/go-conflux-sdk

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func ConvertProofNode(nodes []*ProofNode) []contract.ProofLibProofNode
func IndexToKey(index, total int) []byte
func MinReprBytes(numKeys int) (keyLen int)
func Prove(root common.Hash, key, value []byte, proofNodes []*ProofNode) bool
func ToIndexBytes(index, keyLen int) []byte
type NibblePath
- func NewNibblePath(key []byte) NibblePath
type Node
type ProofNode
- func (n *ProofNode) ComputeMerkle() common.Hash
- func (n ProofNode) String() string

Constants ¶

View Source

const CHILDREN_COUNT = 16

Variables ¶

View Source

var (
	KECCAKE_EMPTY      = crypto.Keccak256Hash()
	LEAF_NODE_CHILDREN = [CHILDREN_COUNT]common.Hash{
		KECCAKE_EMPTY, KECCAKE_EMPTY, KECCAKE_EMPTY, KECCAKE_EMPTY,
		KECCAKE_EMPTY, KECCAKE_EMPTY, KECCAKE_EMPTY, KECCAKE_EMPTY,
		KECCAKE_EMPTY, KECCAKE_EMPTY, KECCAKE_EMPTY, KECCAKE_EMPTY,
		KECCAKE_EMPTY, KECCAKE_EMPTY, KECCAKE_EMPTY, KECCAKE_EMPTY,
	}
)

Functions ¶

func ConvertProofNode ¶

func ConvertProofNode(nodes []*ProofNode) []contract.ProofLibProofNode

func IndexToKey ¶

func IndexToKey(index, total int) []byte

func MinReprBytes ¶

func MinReprBytes(numKeys int) (keyLen int)

func Prove ¶

func Prove(root common.Hash, key, value []byte, proofNodes []*ProofNode) bool

func ToIndexBytes ¶

func ToIndexBytes(index, keyLen int) []byte

Types ¶

type NibblePath ¶

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

func NewNibblePath ¶

func NewNibblePath(key []byte) NibblePath

func (*NibblePath) CommonPrefix ¶

func (path *NibblePath) CommonPrefix(other *NibblePath) (prefix, path1, path2 NibblePath)

func (*NibblePath) ComputeMerkle ¶

func (path *NibblePath) ComputeMerkle(nodeMerkle common.Hash) common.Hash

func (*NibblePath) Length ¶

func (path *NibblePath) Length() int

func (*NibblePath) ToChild ¶

func (path *NibblePath) ToChild() (childIndex byte, childPath NibblePath, ok bool)

func (*NibblePath) Trim ¶

func (path *NibblePath) Trim() NibblePath

type Node ¶

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

func (*Node) Hash ¶

func (n *Node) Hash() common.Hash

func (*Node) Insert ¶

func (n *Node) Insert(key, value []byte)

Insert inserts key and value into mpt. Note, key should be in the same length and inserted in order.

func (*Node) Proof ¶

func (n *Node) Proof(key []byte) ([]*ProofNode, bool)

type ProofNode ¶

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

func (*ProofNode) ComputeMerkle ¶

func (n *ProofNode) ComputeMerkle() common.Hash

func (ProofNode) String ¶

func (n ProofNode) String() string

Source Files ¶

View all Source files

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