wallet: Reuse existing batch in CWallet::SetUsedDestinationState

Author: promag

src/interfaces/wallet.cpp

@@ -170,12 +170,14 @@ class WalletImpl : public Wallet
     bool addDestData(const CTxDestination& dest, const std::string& key, const std::string& value) override
     {
         LOCK(m_wallet->cs_wallet);
-        return m_wallet->AddDestData(dest, key, value);
+        WalletBatch batch{m_wallet->GetDatabase()};
+        return m_wallet->AddDestData(batch, dest, key, value);
     }
     bool eraseDestData(const CTxDestination& dest, const std::string& key) override
     {
         LOCK(m_wallet->cs_wallet);
-        return m_wallet->EraseDestData(dest, key);
+        WalletBatch batch{m_wallet->GetDatabase()};
+        return m_wallet->EraseDestData(batch, dest, key);
     }
     std::vector<std::string> getDestValues(const std::string& prefix) override
     {

src/wallet/test/wallet_tests.cpp

@@ -338,9 +338,10 @@ BOOST_AUTO_TEST_CASE(LoadReceiveRequests)
 {
     CTxDestination dest = PKHash();
     LOCK(m_wallet.cs_wallet);
-    m_wallet.AddDestData(dest, "misc", "val_misc");
-    m_wallet.AddDestData(dest, "rr0", "val_rr0");
-    m_wallet.AddDestData(dest, "rr1", "val_rr1");
+    WalletBatch batch{m_wallet.GetDatabase()};
+    m_wallet.AddDestData(batch, dest, "misc", "val_misc");
+    m_wallet.AddDestData(batch, dest, "rr0", "val_rr0");
+    m_wallet.AddDestData(batch, dest, "rr1", "val_rr1");
 
     auto values = m_wallet.GetDestValues("rr");
     BOOST_CHECK_EQUAL(values.size(), 2U);

src/wallet/wallet.cpp

@@ -691,7 +691,7 @@ bool CWallet::MarkReplaced(const uint256& originalHash, const uint256& newHash)
     return success;
 }
 
-void CWallet::SetUsedDestinationState(const uint256& hash, unsigned int n, bool used)
+void CWallet::SetUsedDestinationState(WalletBatch& batch, const uint256& hash, unsigned int n, bool used)
 {
     AssertLockHeld(cs_wallet);
     const CWalletTx* srctx = GetWalletTx(hash);
@@ -701,9 +701,9 @@ void CWallet::SetUsedDestinationState(const uint256& hash, unsigned int n, bool
     if (ExtractDestination(srctx->tx->vout[n].scriptPubKey, dst)) {
         if (IsMine(dst)) {
             if (used && !GetDestData(dst, "used", nullptr)) {
-                AddDestData(dst, "used", "p"); // p for "present", opposite of absent (null)
+                AddDestData(batch, dst, "used", "p"); // p for "present", opposite of absent (null)
             } else if (!used && GetDestData(dst, "used", nullptr)) {
-                EraseDestData(dst, "used");
+                EraseDestData(batch, dst, "used");
             }
         }
     }
@@ -734,7 +734,7 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose)
         // Mark used destinations
         for (const CTxIn& txin : wtxIn.tx->vin) {
             const COutPoint& op = txin.prevout;
-            SetUsedDestinationState(op.hash, op.n, true);
+            SetUsedDestinationState(batch, op.hash, op.n, true);
         }
     }
 
@@ -3410,20 +3410,20 @@ unsigned int CWallet::ComputeTimeSmart(const CWalletTx& wtx) const
     return nTimeSmart;
 }
 
-bool CWallet::AddDestData(const CTxDestination &dest, const std::string &key, const std::string &value)
+bool CWallet::AddDestData(WalletBatch& batch, const CTxDestination &dest, const std::string &key, const std::string &value)
 {
     if (boost::get<CNoDestination>(&dest))
         return false;
 
     mapAddressBook[dest].destdata.insert(std::make_pair(key, value));
-    return WalletBatch(*database).WriteDestData(EncodeDestination(dest), key, value);
+    return batch.WriteDestData(EncodeDestination(dest), key, value);
 }
 
-bool CWallet::EraseDestData(const CTxDestination &dest, const std::string &key)
+bool CWallet::EraseDestData(WalletBatch& batch, const CTxDestination &dest, const std::string &key)
 {
     if (!mapAddressBook[dest].destdata.erase(key))
         return false;
-    return WalletBatch(*database).EraseDestData(EncodeDestination(dest), key);
+    return batch.EraseDestData(EncodeDestination(dest), key);
 }
 
 void CWallet::LoadDestData(const CTxDestination &dest, const std::string &key, const std::string &value)

src/wallet/wallet.h

@@ -795,7 +795,7 @@ class CWallet final : public WalletStorage, private interfaces::Chain::Notificat
     // Whether this or any UTXO with the same CTxDestination has been spent.
     bool IsUsedDestination(const CTxDestination& dst) const;
     bool IsUsedDestination(const uint256& hash, unsigned int n) const;
-    void SetUsedDestinationState(const uint256& hash, unsigned int n, bool used) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
+    void SetUsedDestinationState(WalletBatch& batch, const uint256& hash, unsigned int n, bool used) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
 
     std::vector<OutputGroup> GroupOutputs(const std::vector<COutput>& outputs, bool single_coin) const;
 
@@ -820,9 +820,9 @@ class CWallet final : public WalletStorage, private interfaces::Chain::Notificat
     bool LoadMinVersion(int nVersion) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) { AssertLockHeld(cs_wallet); nWalletVersion = nVersion; nWalletMaxVersion = std::max(nWalletMaxVersion, nVersion); return true; }
 
     //! Adds a destination data tuple to the store, and saves it to disk
-    bool AddDestData(const CTxDestination& dest, const std::string& key, const std::string& value) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
+    bool AddDestData(WalletBatch& batch, const CTxDestination& dest, const std::string& key, const std::string& value) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
     //! Erases a destination data tuple in the store and on disk
-    bool EraseDestData(const CTxDestination& dest, const std::string& key) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
+    bool EraseDestData(WalletBatch& batch, const CTxDestination& dest, const std::string& key) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
     //! Adds a destination data tuple to the store, without saving it to disk
     void LoadDestData(const CTxDestination& dest, const std::string& key, const std::string& value) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
     //! Look up a destination data tuple in the store, return true if found false otherwise