1 files changed, 3 insertions, 2 deletions
diff --git a/src/txmempool.h b/src/txmempool.h
index de4ba0b371..bca8dd9791 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -511,6 +511,7 @@ public:
                         std::list<CTransaction>& conflicts, bool fCurrentEstimate = true);
     void clear();
     void _clear(); //lock free
+    bool CompareDepthAndScore(const uint256& hasha, const uint256& hashb);
     void queryHashes(std::vector<uint256>& vtxid);
     void pruneSpent(const uint256& hash, CCoins &coins);
     unsigned int GetTransactionsUpdated() const;
@@ -672,10 +673,10 @@ private:
 class CCoinsViewMemPool : public CCoinsViewBacked
 {
 protected:
-    CTxMemPool &mempool;
+    const CTxMemPool& mempool;
 
 public:
-    CCoinsViewMemPool(CCoinsView *baseIn, CTxMemPool &mempoolIn);
+    CCoinsViewMemPool(CCoinsView* baseIn, const CTxMemPool& mempoolIn);
     bool GetCoins(const uint256 &txid, CCoins &coins) const;
     bool HaveCoins(const uint256 &txid) const;
 };