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// Copyright (c) 2015-2017 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_CONSENSUS_MERKLE_H
#define BITCOIN_CONSENSUS_MERKLE_H
#include <stdint.h>
#include <vector>
#include <primitives/transaction.h>
#include <primitives/block.h>
#include <uint256.h>
uint256 ComputeMerkleRoot(std::vector<uint256> hashes, bool* mutated);
std::vector<uint256> ComputeMerkleBranch(const std::vector<uint256>& leaves, uint32_t position);
uint256 ComputeMerkleRootFromBranch(const uint256& leaf, const std::vector<uint256>& branch, uint32_t position);
/*
* Compute the Merkle root of the transactions in a block.
* *mutated is set to true if a duplicated subtree was found.
*/
uint256 BlockMerkleRoot(const CBlock& block, bool* mutated = nullptr);
/*
* Compute the Merkle root of the witness transactions in a block.
* *mutated is set to true if a duplicated subtree was found.
*/
uint256 BlockWitnessMerkleRoot(const CBlock& block, bool* mutated = nullptr);
/*
* Compute the Merkle branch for the tree of transactions in a block, for a
* given position.
* This can be verified using ComputeMerkleRootFromBranch.
*/
std::vector<uint256> BlockMerkleBranch(const CBlock& block, uint32_t position);
#endif // BITCOIN_CONSENSUS_MERKLE_H
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