build: fix all warnings, treat warnings as errors

src/libwalletqt/AddressBook.cpp

@@ -32,7 +32,6 @@
 AddressBook::AddressBook(Monero::AddressBook *abImpl,QObject *parent)
   : QObject(parent), m_addressBookImpl(abImpl)
 {
-    qDebug(__FUNCTION__);
     getAll();
 }
 
@@ -48,8 +47,6 @@ int AddressBook::errorCode() const
 
 void AddressBook::getAll()
 {
-    qDebug(__FUNCTION__);
-
     emit refreshStarted();
 
     {

src/libwalletqt/AddressBook.h

@@ -36,7 +36,7 @@
 #include <QDateTime>
 
 namespace Monero {
-class AddressBook;
+struct AddressBook;
 }
 class AddressBookRow;
 

src/libwalletqt/Subaddress.cpp

@@ -32,14 +32,11 @@
 Subaddress::Subaddress(Monero::Subaddress *subaddressImpl, QObject *parent)
   : QObject(parent), m_subaddressImpl(subaddressImpl)
 {
-    qDebug(__FUNCTION__);
     getAll();
 }
 
 void Subaddress::getAll() const
 {
-    qDebug(__FUNCTION__);
-
     emit refreshStarted();
 
     {

src/libwalletqt/SubaddressAccount.cpp

@@ -32,14 +32,11 @@
 SubaddressAccount::SubaddressAccount(Monero::SubaddressAccount *subaddressAccountImpl, QObject *parent)
   : QObject(parent), m_subaddressAccountImpl(subaddressAccountImpl)
 {
-    qDebug(__FUNCTION__);
     getAll();
 }
 
 void SubaddressAccount::getAll() const
 {
-    qDebug(__FUNCTION__);
-
     emit refreshStarted();
 
     {

src/libwalletqt/TransactionHistory.h

@@ -37,7 +37,7 @@
 #include <QDateTime>
 
 namespace Monero {
-class TransactionHistory;
+struct TransactionHistory;
 }
 
 class TransactionInfo;

src/libwalletqt/Wallet.cpp

@@ -68,38 +68,38 @@ public:
 
     }
 
-    virtual void moneySpent(const std::string &txId, uint64_t amount)
+    virtual void moneySpent(const std::string &txId, uint64_t amount) override
     {
         qDebug() << __FUNCTION__;
         emit m_wallet->moneySpent(QString::fromStdString(txId), amount);
     }
 
 
-    virtual void moneyReceived(const std::string &txId, uint64_t amount)
+    virtual void moneyReceived(const std::string &txId, uint64_t amount) override
     {
         qDebug() << __FUNCTION__;
         emit m_wallet->moneyReceived(QString::fromStdString(txId), amount);
     }
 
-    virtual void unconfirmedMoneyReceived(const std::string &txId, uint64_t amount)
+    virtual void unconfirmedMoneyReceived(const std::string &txId, uint64_t amount) override
     {
         qDebug() << __FUNCTION__;
         emit m_wallet->unconfirmedMoneyReceived(QString::fromStdString(txId), amount);
     }
 
-    virtual void newBlock(uint64_t height)
+    virtual void newBlock(uint64_t height) override
     {
         // qDebug() << __FUNCTION__;
         emit m_wallet->newBlock(height, m_wallet->daemonBlockChainTargetHeight());
     }
 
-    virtual void updated()
+    virtual void updated() override
     {
         emit m_wallet->updated();
     }
 
     // called when wallet refreshed by background thread or explicitly
-    virtual void refreshed()
+    virtual void refreshed() override
     {
         qDebug() << __FUNCTION__;
         emit m_wallet->refreshed();
@@ -1028,9 +1028,9 @@ Wallet::Wallet(Monero::Wallet *w, QObject *parent)
     m_walletImpl->setListener(m_walletListener);
     m_currentSubaddressAccount = getCacheAttribute(ATTRIBUTE_SUBADDRESS_ACCOUNT).toUInt();
     // start cache timers
-    m_connectionStatusTime.restart();
-    m_daemonBlockChainHeightTime.restart();
-    m_daemonBlockChainTargetHeightTime.restart();
+    m_connectionStatusTime.start();
+    m_daemonBlockChainHeightTime.start();
+    m_daemonBlockChainTargetHeightTime.start();
     m_initialized = false;
     m_connectionStatusRunning = false;
     m_daemonUsername = "";

src/libwalletqt/Wallet.h

@@ -29,8 +29,8 @@
 #ifndef WALLET_H
 #define WALLET_H
 
+#include <QElapsedTimer>
 #include <QObject>
-#include <QTime>
 #include <QMutex>
 #include <QList>
 #include <QJSValue>
@@ -43,7 +43,7 @@
 #include "NetworkType.h"
 
 namespace Monero {
-    class Wallet; // forward declaration
+struct Wallet; // forward declaration
 }
 
 
@@ -406,15 +406,15 @@ private:
     QString m_paymentId;
     AddressBook * m_addressBook;
     mutable AddressBookModel * m_addressBookModel;
-    mutable QTime   m_daemonBlockChainHeightTime;
+    mutable QElapsedTimer m_daemonBlockChainHeightTime;
     mutable quint64 m_daemonBlockChainHeight;
     int     m_daemonBlockChainHeightTtl;
-    mutable QTime   m_daemonBlockChainTargetHeightTime;
+    mutable QElapsedTimer m_daemonBlockChainTargetHeightTime;
     mutable quint64 m_daemonBlockChainTargetHeight;
     int     m_daemonBlockChainTargetHeightTtl;
     mutable ConnectionStatus m_connectionStatus;
     int     m_connectionStatusTtl;
-    mutable QTime   m_connectionStatusTime;
+    mutable QElapsedTimer m_connectionStatusTime;
     bool m_disconnected;
     mutable bool    m_initialized;
     uint32_t m_currentSubaddressAccount;

src/libwalletqt/WalletManager.h

@@ -42,7 +42,7 @@
 
 class Wallet;
 namespace Monero {
-    class WalletManager;
+struct WalletManager;
 }
 
 class WalletManager : public QObject