algo

package

v0.0.0-...-43c9aad Latest Latest Go to latest Published: Jan 12, 2024 License: MIT Imports: 10 Imported by: 0

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var UseSimd bool

func MerkleTreeChildren(m MerkleTree, idx int) (left int, right int)

func MerkleTreeHash(m MerkleTree) *[]byte

type Edit struct {
	Slice Range
	With  Range
}

func HashDiff(source, dest []HashBlock) []Edit

func HashDiff2(source, dest []HashBlock) []Edit

type EditOp int

const (
	EditOpInsert EditOp = iota
	EditOpDelete
)

type HashBlock struct {
	Hash   []byte
	Length uint32
}

func HashSplit(r io.Reader, splitBits uint, hashFun hash.Hash) (blocks []HashBlock, err error)

func MerkleTreeAt(m MerkleTree, idx int) (block HashBlock, length uint32)

func MerkleTreeRoot(m MerkleTree) (HashBlock, int)

func (h *HashBlock) String() string

type MerkleTree struct {
	DataLength uint32
	Blocks     []HashBlock
}

func MerkleTreeFromFile(name string, splitBits uint) (MerkleTree, error)

func MerkleTreeFromReader(r io.Reader, splitBits uint) (MerkleTree, error)

type Range struct {
	Start  uint32
	Length uint32
}