Make GUI UTXO lock/unlock persistent

Author: meshcollider

src/interfaces/wallet.h

@@ -122,7 +122,7 @@ class Wallet
     virtual bool displayAddress(const CTxDestination& dest) = 0;
 
     //! Lock coin.
-    virtual bool lockCoin(const COutPoint& output) = 0;
+    virtual bool lockCoin(const COutPoint& output, const bool write_to_db) = 0;
 
     //! Unlock coin.
     virtual bool unlockCoin(const COutPoint& output) = 0;

src/qt/coincontroldialog.cpp

@@ -241,7 +241,7 @@ void CoinControlDialog::lockCoin()
         contextMenuItem->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
 
     COutPoint outpt(uint256S(contextMenuItem->data(COLUMN_ADDRESS, TxHashRole).toString().toStdString()), contextMenuItem->data(COLUMN_ADDRESS, VOutRole).toUInt());
-    model->wallet().lockCoin(outpt);
+    model->wallet().lockCoin(outpt, /* write_to_db = */ true);
     contextMenuItem->setDisabled(true);
     contextMenuItem->setIcon(COLUMN_CHECKBOX, platformStyle->SingleColorIcon(":/icons/lock_closed"));
     updateLabelLocked();

src/wallet/interfaces.cpp

@@ -214,15 +214,17 @@ class WalletImpl : public Wallet
         LOCK(m_wallet->cs_wallet);
         return m_wallet->DisplayAddress(dest);
     }
-    bool lockCoin(const COutPoint& output) override
+    bool lockCoin(const COutPoint& output, const bool write_to_db) override
     {
         LOCK(m_wallet->cs_wallet);
-        return m_wallet->LockCoin(output);
+        std::unique_ptr<WalletBatch> batch = write_to_db ? std::make_unique<WalletBatch>(m_wallet->GetDatabase()) : nullptr;
+        return m_wallet->LockCoin(output, batch.get());
     }
     bool unlockCoin(const COutPoint& output) override
     {
         LOCK(m_wallet->cs_wallet);
-        return m_wallet->UnlockCoin(output);
+        std::unique_ptr<WalletBatch> batch = std::make_unique<WalletBatch>(m_wallet->GetDatabase());
+        return m_wallet->UnlockCoin(output, batch.get());
     }
     bool isLockedCoin(const COutPoint& output) override
     {