NewTree creates a new Merkle Tree using the content cs.

NewTreeWithHashStrategy creates a new Merkle Tree using the content cs using the provided hash strategy.

NewTreeWithHashStrategySorted just like NewTreeWithHashStrategy but sorts the siblings before hashing, mostly to follow the OpenZepplin Merkle implementation https://github.com/OpenZeppelin/openzeppelin-contracts-ethereum-package/blob/master/contracts/cryptography/MerkleProof.sol.

NewWithFreeList creates a new B-Tree that uses the given node free list.

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数组实现最大堆.

MerkleTree is the container for the tree.

Node represents a node, root, or leaf in the tree.

Content represents the data that is stored and verified by the tree.

Int implements the Item interface for integers.