1 files changed, 32 insertions, 0 deletions
diff --git a/src/consensus/merkle.h b/src/consensus/merkle.h
new file mode 100644
index 0000000000..6ef59745ac
--- /dev/null
+++ b/src/consensus/merkle.h
@@ -0,0 +1,32 @@
+// Copyright (c) 2015 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_MERKLE
+#define BITCOIN_MERKLE
+
+#include <stdint.h>
+#include <vector>
+
+#include "primitives/transaction.h"
+#include "primitives/block.h"
+#include "uint256.h"
+
+uint256 ComputeMerkleRoot(const std::vector<uint256>& leaves, bool* mutated = NULL);
+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 = NULL);
+
+/*
+ * 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