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-rw-r--r--src/core.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/core.h b/src/core.h
index e8435c8b0d..a348293578 100644
--- a/src/core.h
+++ b/src/core.h
@@ -529,7 +529,11 @@ public:
return block;
}
- uint256 BuildMerkleTree() const;
+ // Build the in-memory merkle tree for this block and return the merkle root.
+ // If non-NULL, *mutated is set to whether mutation was detected in the merkle
+ // tree (a duplication of transactions in the block leading to an identical
+ // merkle root).
+ uint256 BuildMerkleTree(bool* mutated = NULL) const;
std::vector<uint256> GetMerkleBranch(int nIndex) const;
static uint256 CheckMerkleBranch(uint256 hash, const std::vector<uint256>& vMerkleBranch, int nIndex);