Cache witness hash in CTransaction

1 files changed, 4 insertions, 6 deletions

diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h
index 692b553928..1c846d38ec 100644
--- a/src/primitives/transaction.h
+++ b/src/primitives/transaction.h
@@ -286,8 +286,10 @@ public:
 private:
     /** Memory only. */
     const uint256 hash;
+    const uint256 m_witness_hash;
 
     uint256 ComputeHash() const;
+    uint256 ComputeWitnessHash() const;
 
 public:
     /** Construct a CTransaction that qualifies as IsNull() */
@@ -311,12 +313,8 @@ public:
         return vin.empty() && vout.empty();
     }
 
-    const uint256& GetHash() const {
-        return hash;
-    }
-
-    // Compute a hash that includes both transaction and witness data
-    uint256 GetWitnessHash() const;
+    const uint256& GetHash() const { return hash; }
+    const uint256& GetWitnessHash() const { return m_witness_hash; };
 
     // Return sum of txouts.
     CAmount GetValueOut() const;