Wallet API: add some missing override keyword

Also remove dust() from UnsignedTransactionImpl (already in PendingTransactionImpl)

src/wallet/api/address_book.h

@@ -42,16 +42,16 @@ class AddressBookImpl : public AddressBook
     ~AddressBookImpl();
 
     // Fetches addresses from Wallet2
-    void refresh();
-    std::vector<AddressBookRow*> getAll() const;
-    bool addRow(const std::string &dst_addr , const std::string &payment_id, const std::string &description);
-    bool deleteRow(std::size_t rowId);
+    void refresh() override;
+    std::vector<AddressBookRow*> getAll() const override;
+    bool addRow(const std::string &dst_addr , const std::string &payment_id, const std::string &description) override;
+    bool deleteRow(std::size_t rowId) override;
 
     // Error codes. See AddressBook:ErrorCode enum in wallet2_api.h
-    std::string errorString() const {return m_errorString;}
-    int errorCode() const {return m_errorCode;}
+    std::string errorString() const override {return m_errorString;}
+    int errorCode() const override {return m_errorCode;}
 
-    int lookupPaymentID(const std::string &payment_id) const;
+    int lookupPaymentID(const std::string &payment_id) const override;
 
 private:
     void clearRows();

src/wallet/api/pending_transaction.h

@@ -43,21 +43,21 @@ class PendingTransactionImpl : public PendingTransaction
 public:
     PendingTransactionImpl(WalletImpl &wallet);
     ~PendingTransactionImpl();
-    int status() const;
-    std::string errorString() const;
-    bool commit(const std::string &filename = "", bool overwrite = false);
-    uint64_t amount() const;
-    uint64_t dust() const;
-    uint64_t fee() const;
-    std::vector<std::string> txid() const;
-    uint64_t txCount() const;
-    std::vector<uint32_t> subaddrAccount() const;
-    std::vector<std::set<uint32_t>> subaddrIndices() const;
+    int status() const override;
+    std::string errorString() const override;
+    bool commit(const std::string &filename = "", bool overwrite = false) override;
+    uint64_t amount() const override;
+    uint64_t dust() const override;
+    uint64_t fee() const override;
+    std::vector<std::string> txid() const override;
+    uint64_t txCount() const override;
+    std::vector<uint32_t> subaddrAccount() const override;
+    std::vector<std::set<uint32_t>> subaddrIndices() const override;
     // TODO: continue with interface;
 
-    std::string multisigSignData();
-    void signMultisigTx();
-    std::vector<std::string> signersKeys() const;
+    std::string multisigSignData() override;
+    void signMultisigTx() override;
+    std::vector<std::string> signersKeys() const override;
 
 private:
     friend class WalletImpl;

src/wallet/api/subaddress.h

@@ -40,10 +40,10 @@ class SubaddressImpl : public Subaddress
     ~SubaddressImpl();
 
     // Fetches addresses from Wallet2
-    void refresh(uint32_t accountIndex);
-    std::vector<SubaddressRow*> getAll() const;
-    void addRow(uint32_t accountIndex, const std::string &label);
-    void setLabel(uint32_t accountIndex, uint32_t addressIndex, const std::string &label);
+    void refresh(uint32_t accountIndex) override;
+    std::vector<SubaddressRow*> getAll() const override;
+    void addRow(uint32_t accountIndex, const std::string &label) override;
+    void setLabel(uint32_t accountIndex, uint32_t addressIndex, const std::string &label) override;
 
 private:
     void clearRows();

src/wallet/api/transaction_info.h

@@ -42,24 +42,24 @@ class TransactionInfoImpl : public TransactionInfo
     TransactionInfoImpl();
     ~TransactionInfoImpl();
     //! in/out
-    virtual int direction() const;
+    virtual int direction() const override;
     //! true if hold
-    virtual bool isPending() const;
-    virtual bool isFailed() const;
-    virtual uint64_t amount() const;
+    virtual bool isPending() const override;
+    virtual bool isFailed() const override;
+    virtual uint64_t amount() const override;
     //! always 0 for incoming txes
-    virtual uint64_t fee() const;
-    virtual uint64_t blockHeight() const;
-    virtual std::set<uint32_t> subaddrIndex() const;
-    virtual uint32_t subaddrAccount() const;
-    virtual std::string label() const;
+    virtual uint64_t fee() const override;
+    virtual uint64_t blockHeight() const override;
+    virtual std::set<uint32_t> subaddrIndex() const override;
+    virtual uint32_t subaddrAccount() const override;
+    virtual std::string label() const override;
 
-    virtual std::string hash() const;
-    virtual std::time_t timestamp() const;
-    virtual std::string paymentId() const;
-    virtual const std::vector<Transfer> &transfers() const;
-    virtual uint64_t confirmations() const;
-    virtual uint64_t unlockTime() const;
+    virtual std::string hash() const override;
+    virtual std::time_t timestamp() const override;
+    virtual std::string paymentId() const override;
+    virtual const std::vector<Transfer> &transfers() const override;
+    virtual uint64_t confirmations() const override;
+    virtual uint64_t unlockTime() const override;
 
 private:
     int         m_direction;

src/wallet/api/unsigned_transaction.h

@@ -43,19 +43,18 @@ class UnsignedTransactionImpl : public UnsignedTransaction
 public:
     UnsignedTransactionImpl(WalletImpl &wallet);
     ~UnsignedTransactionImpl();
-    int status() const;
-    std::string errorString() const;
-    std::vector<uint64_t> amount() const;
-    std::vector<uint64_t> dust() const;
-    std::vector<uint64_t> fee() const;
-    std::vector<uint64_t> mixin() const;
-    std::vector<std::string> paymentId() const;
-    std::vector<std::string> recipientAddress() const;
-    uint64_t txCount() const;
+    int status() const override;
+    std::string errorString() const override;
+    std::vector<uint64_t> amount() const override;
+    std::vector<uint64_t> fee() const override;
+    std::vector<uint64_t> mixin() const override;
+    std::vector<std::string> paymentId() const override;
+    std::vector<std::string> recipientAddress() const override;
+    uint64_t txCount() const override;
     // sign txs and save to file
-    bool sign(const std::string &signedFileName);
-    std::string confirmationMessage() const {return m_confirmationMessage;}
-    uint64_t minMixinCount() const;
+    bool sign(const std::string &signedFileName) override;
+    std::string confirmationMessage() const override {return m_confirmationMessage;}
+    uint64_t minMixinCount() const override;
 
 private:
     // Callback function to check all loaded tx's and generate confirmationMessage