// MerkleRoot calculates the "root hash" formed by repeatedly concatenating
// and hashing a binary tree of hashes. If the number of leaves is not a
// power of 2, the orphan hash(es) are not rehashed. Examples:
//
// ┌───┴──┐ ┌────┴───┐ ┌─────┴─────┐
// ┌──┴──┐ │ ┌──┴──┐ │ ┌──┴──┐ ┌──┴──┐
// ┌─┴─┐ ┌─┴─┐ │ ┌─┴─┐ ┌─┴─┐ ┌─┴─┐ ┌─┴─┐ ┌─┴─┐ ┌─┴─┐ │
// (5-leaf) (6-leaf) (7-leaf)
func MerkleRoot(leaves [][]byte) (h Hash) {
tree := merkletree.New(NewHash())
for _, leaf := range leaves {
tree.Push(leaf)
}
copy(h[:], tree.Root())
return
}
// NewTree returns a tree object that can be used to get the merkle root of a
// dataset.
func NewTree() MerkleTree {
return MerkleTree{merkletree.New(NewHash())}
}
// NewTree returns a tree object that can be used to get the merkle root of a
// dataset.
func NewTree() tree {
return tree{merkletree.New(NewHash())}
}