1 files changed, 8 insertions, 8 deletions
diff --git a/src/txmempool.h b/src/txmempool.h
index 0feea08f0b..2003783952 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -64,14 +64,14 @@ class CTxMemPool;
 class CTxMemPoolEntry
 {
 private:
-    CTransactionRef tx;
-    CAmount nFee;              //!< Cached to avoid expensive parent-transaction lookups
-    size_t nTxWeight;          //!< ... and avoid recomputing tx weight (also used for GetTxSize())
-    size_t nUsageSize;         //!< ... and total memory usage
-    int64_t nTime;             //!< Local time when entering the mempool
-    unsigned int entryHeight;  //!< Chain height when entering the mempool
-    bool spendsCoinbase;       //!< keep track of transactions that spend a coinbase
-    int64_t sigOpCost;         //!< Total sigop cost
+    const CTransactionRef tx;
+    const CAmount nFee;             //!< Cached to avoid expensive parent-transaction lookups
+    const size_t nTxWeight;         //!< ... and avoid recomputing tx weight (also used for GetTxSize())
+    const size_t nUsageSize;        //!< ... and total memory usage
+    const int64_t nTime;            //!< Local time when entering the mempool
+    const unsigned int entryHeight; //!< Chain height when entering the mempool
+    const bool spendsCoinbase;      //!< keep track of transactions that spend a coinbase
+    const int64_t sigOpCost;        //!< Total sigop cost
     int64_t feeDelta;          //!< Used for determining the priority of the transaction for mining in a block
     LockPoints lockPoints;     //!< Track the height and time at which tx was final