Split off WalletModel from ClientModel, to be able to support multi-wallets in future

src/qt/clientmodel.h

@@ -8,52 +8,35 @@ class AddressTableModel;
 class TransactionTableModel;
 class CWallet;
 
+// Interface to Bitcoin network client
 class ClientModel : public QObject
 {
     Q_OBJECT
 public:
+    // The only reason that this constructor takes a wallet is because
+    // the global client settings are stored in the main wallet.
     explicit ClientModel(CWallet *wallet, QObject *parent = 0);
 
-    enum StatusCode
-    {
-        OK,
-        InvalidAmount,
-        InvalidAddress,
-        AmountExceedsBalance,
-        AmountWithFeeExceedsBalance,
-        Aborted,
-        MiscError
-    };
-
     OptionsModel *getOptionsModel();
-    AddressTableModel *getAddressTableModel();
-    TransactionTableModel *getTransactionTableModel();
 
-    qint64 getBalance() const;
     int getNumConnections() const;
     int getNumBlocks() const;
-    int getNumTransactions() const;
 
-    /* Return true if core is doing initial block download */
+    // Return true if core is doing initial block download
     bool inInitialBlockDownload() const;
-    /* Return conservative estimate of total number of blocks, or 0 if unknown */
+    // Return conservative estimate of total number of blocks, or 0 if unknown
     int getTotalBlocksEstimate() const;
 
-    /* Send coins */
-    StatusCode sendCoins(const QString &payTo, qint64 payAmount, const QString &addToAddressBookAs=QString());
 private:
     CWallet *wallet;
 
     OptionsModel *optionsModel;
-    AddressTableModel *addressTableModel;
-    TransactionTableModel *transactionTableModel;
 
 signals:
-    void balanceChanged(qint64 balance);
     void numConnectionsChanged(int count);
     void numBlocksChanged(int count);
-    void numTransactionsChanged(int count);
-    /* Asynchronous error notification */
+
+    // Asynchronous error notification
     void error(const QString &title, const QString &message);
 
 public slots: