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-rw-r--r--src/primitives/transaction.cpp10
-rw-r--r--src/primitives/transaction.h10
2 files changed, 9 insertions, 11 deletions
diff --git a/src/primitives/transaction.cpp b/src/primitives/transaction.cpp
index 6f463cabf5..230f762a1b 100644
--- a/src/primitives/transaction.cpp
+++ b/src/primitives/transaction.cpp
@@ -67,18 +67,18 @@ uint256 CTransaction::ComputeHash() const
return SerializeHash(*this, SER_GETHASH, SERIALIZE_TRANSACTION_NO_WITNESS);
}
-uint256 CTransaction::GetWitnessHash() const
+uint256 CTransaction::ComputeWitnessHash() const
{
if (!HasWitness()) {
- return GetHash();
+ return hash;
}
return SerializeHash(*this, SER_GETHASH, 0);
}
/* For backward compatibility, the hash is initialized to 0. TODO: remove the need for this default constructor entirely. */
-CTransaction::CTransaction() : vin(), vout(), nVersion(CTransaction::CURRENT_VERSION), nLockTime(0), hash() {}
-CTransaction::CTransaction(const CMutableTransaction &tx) : vin(tx.vin), vout(tx.vout), nVersion(tx.nVersion), nLockTime(tx.nLockTime), hash(ComputeHash()) {}
-CTransaction::CTransaction(CMutableTransaction &&tx) : vin(std::move(tx.vin)), vout(std::move(tx.vout)), nVersion(tx.nVersion), nLockTime(tx.nLockTime), hash(ComputeHash()) {}
+CTransaction::CTransaction() : vin(), vout(), nVersion(CTransaction::CURRENT_VERSION), nLockTime(0), hash{}, m_witness_hash{} {}
+CTransaction::CTransaction(const CMutableTransaction& tx) : vin(tx.vin), vout(tx.vout), nVersion(tx.nVersion), nLockTime(tx.nLockTime), hash{ComputeHash()}, m_witness_hash{ComputeWitnessHash()} {}
+CTransaction::CTransaction(CMutableTransaction&& tx) : vin(std::move(tx.vin)), vout(std::move(tx.vout)), nVersion(tx.nVersion), nLockTime(tx.nLockTime), hash{ComputeHash()}, m_witness_hash{ComputeWitnessHash()} {}
CAmount CTransaction::GetValueOut() const
{
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;