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-rw-r--r--src/consensus/merkle.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/consensus/merkle.h b/src/consensus/merkle.h
index 194aea9b75..33764c7460 100644
--- a/src/consensus/merkle.h
+++ b/src/consensus/merkle.h
@@ -12,7 +12,7 @@
#include "primitives/block.h"
#include "uint256.h"
-uint256 ComputeMerkleRoot(const std::vector<uint256>& leaves, bool* mutated = NULL);
+uint256 ComputeMerkleRoot(const std::vector<uint256>& leaves, bool* mutated = nullptr);
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);
@@ -20,13 +20,13 @@ uint256 ComputeMerkleRootFromBranch(const uint256& leaf, const std::vector<uint2
* 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);
+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 = NULL);
+uint256 BlockWitnessMerkleRoot(const CBlock& block, bool* mutated = nullptr);
/*
* Compute the Merkle branch for the tree of transactions in a block, for a