X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fqt%2Fwalletmodel.h;h=f15500601bb045dc635bf26b62aa2d7d872824bf;hb=1c4fc9052a444c114d9c1501d2c6d1305de650d0;hp=af2cac4b311b69b3d7b75425106ec7b75e77aa02;hpb=a5e6d72339f28699bc356603f695bd620be37e83;p=novacoin.git

diff --git a/src/qt/walletmodel.h b/src/qt/walletmodel.h
index af2cac4..f155006 100644
--- a/src/qt/walletmodel.h
+++ b/src/qt/walletmodel.h
@@ -2,27 +2,44 @@
 #define WALLETMODEL_H
 
 #include <QObject>
+#include <vector>
+#include <map>
+
+#include "allocators.h" /* for SecureString */
 
 class OptionsModel;
 class AddressTableModel;
 class TransactionTableModel;
 class CWallet;
-
-struct SendCoinsRecipient
+class CKeyID;
+class CPubKey;
+class COutput;
+class COutPoint;
+class uint256;
+class CCoinControl;
+
+QT_BEGIN_NAMESPACE
+class QTimer;
+QT_END_NAMESPACE
+
+class SendCoinsRecipient
 {
+public:
     QString address;
     QString label;
     qint64 amount;
 };
 
-// Interface to a Bitcoin wallet
+/** Interface to Bitcoin wallet from Qt view code. */
 class WalletModel : public QObject
 {
     Q_OBJECT
+
 public:
-    explicit WalletModel(CWallet *wallet, QObject *parent = 0);
+    explicit WalletModel(CWallet *wallet, OptionsModel *optionsModel, QObject *parent = 0);
+    ~WalletModel();
 
-    enum StatusCode
+    enum StatusCode // Returned by sendCoins
     {
         OK,
         InvalidAmount,
@@ -30,10 +47,16 @@ public:
         AmountExceedsBalance,
         AmountWithFeeExceedsBalance,
         DuplicateAddress,
-        TransactionCreationFailed,
+        TransactionCreationFailed, // Error returned when wallet is still locked
         TransactionCommitFailed,
-        Aborted,
-        MiscError
+        Aborted
+    };
+
+    enum EncryptionStatus
+    {
+        Unencrypted,  // !wallet->IsCrypted()
+        Locked,       // wallet->IsCrypted() && wallet->IsLocked()
+        Unlocked      // wallet->IsCrypted() && !wallet->IsLocked()
     };
 
     OptionsModel *getOptionsModel();
@@ -41,28 +64,75 @@ public:
     TransactionTableModel *getTransactionTableModel();
 
     qint64 getBalance() const;
+    qint64 getBalanceWatchOnly() const;
+    qint64 getStake() const;
     qint64 getUnconfirmedBalance() const;
+    qint64 getImmatureBalance() const;
     int getNumTransactions() const;
+    EncryptionStatus getEncryptionStatus() const;
 
     // Check address for validity
     bool validateAddress(const QString &address);
 
-    // Return status record for SendCoins
-    // fee is used in case status is "AmountWithFeeExceedsBalance"
-    // hex is filled with the transaction hash if status is "OK"
+    // Return status record for SendCoins, contains error id + information
     struct SendCoinsReturn
     {
-        SendCoinsReturn(StatusCode status,
+        SendCoinsReturn(StatusCode status=Aborted,
                          qint64 fee=0,
                          QString hex=QString()):
             status(status), fee(fee), hex(hex) {}
         StatusCode status;
-        qint64 fee;
-        QString hex;
+        qint64 fee; // is used in case status is "AmountWithFeeExceedsBalance"
+        QString hex; // is filled with the transaction hash if status is "OK"
     };
 
-    // Send coins to list of recipients
-    SendCoinsReturn sendCoins(const QList<SendCoinsRecipient> &recipients);
+    // Send coins to a list of recipients
+    SendCoinsReturn sendCoins(const QList<SendCoinsRecipient> &recipients, const CCoinControl *coinControl=NULL);
+
+    // Wallet encryption
+    bool setWalletEncrypted(bool encrypted, const SecureString &passphrase);
+    // Passphrase only needed when unlocking
+    bool setWalletLocked(bool locked, const SecureString &passPhrase=SecureString());
+    bool changePassphrase(const SecureString &oldPass, const SecureString &newPass);
+    // Wallet backup
+    bool backupWallet(const QString &filename);
+
+    bool dumpWallet(const QString &filename);
+    bool importWallet(const QString &filename);
+
+    void getStakeWeight(quint64& nMinWeight, quint64& nMaxWeight, quint64& nWeight);
+    void getStakeWeightFromValue(const qint64& nTime, const qint64& nValue, quint64& nWeight);
+
+    // RAI object for unlocking wallet, returned by requestUnlock()
+    class UnlockContext
+    {
+    public:
+        UnlockContext(WalletModel *wallet, bool valid, bool relock);
+        ~UnlockContext();
+
+        bool isValid() const { return valid; }
+
+        // Copy operator and constructor transfer the context
+        UnlockContext(const UnlockContext& obj) { CopyFrom(obj); }
+        UnlockContext& operator=(const UnlockContext& rhs) { CopyFrom(rhs); return *this; }
+    private:
+        WalletModel *wallet;
+        bool valid;
+        mutable bool relock; // mutable, as it can be set to false by copying
+
+        void CopyFrom(const UnlockContext& rhs);
+    };
+
+    UnlockContext requestUnlock();
+
+    bool getPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const;
+    void getOutputs(const std::vector<COutPoint>& vOutpoints, std::vector<COutput>& vOutputs);
+    void listCoins(std::map<QString, std::vector<COutput> >& mapCoins) const;
+    bool isLockedCoin(uint256 hash, unsigned int n) const;
+    void lockCoin(COutPoint& output);
+    void unlockCoin(COutPoint& output);
+    void listLockedCoins(std::vector<COutPoint>& vOutpts);
+
 private:
     CWallet *wallet;
 
@@ -73,17 +143,49 @@ private:
     AddressTableModel *addressTableModel;
     TransactionTableModel *transactionTableModel;
 
+    // Cache some values to be able to detect changes
+    qint64 cachedBalance;
+    qint64 cachedStake;
+    qint64 cachedUnconfirmedBalance;
+    qint64 cachedImmatureBalance;
+    qint64 cachedNumTransactions;
+    EncryptionStatus cachedEncryptionStatus;
+    int cachedNumBlocks;
+
+    QTimer *pollTimer;
+
+    void subscribeToCoreSignals();
+    void unsubscribeFromCoreSignals();
+    void checkBalanceChanged();
+
+
+public slots:
+    /* Wallet status might have changed */
+    void updateStatus();
+    /* New transaction, or transaction changed status */
+    void updateTransaction(const QString &hash, int status);
+    /* New, updated or removed address book entry */
+    void updateAddressBook(const QString &address, const QString &label, bool isMine, int status);
+    /* Current, immature or unconfirmed balance might have changed - emit 'balanceChanged' if so */
+    void pollBalanceChanged();
+
 signals:
-    void balanceChanged(qint64 balance, qint64 unconfirmedBalance);
+    // Signal that balance in wallet changed
+    void balanceChanged(qint64 total, qint64 watchOnly, qint64 stake, qint64 unconfirmedBalance, qint64 immatureBalance);
+
+    // Number of transactions in wallet changed
     void numTransactionsChanged(int count);
 
-    // Asynchronous error notification
-    void error(const QString &title, const QString &message);
+    // Encryption status of wallet changed
+    void encryptionStatusChanged(int status);
 
-public slots:
+    // Signal emitted when wallet needs to be unlocked
+    // It is valid behaviour for listeners to keep the wallet locked after this signal;
+    // this means that the unlocking failed or was cancelled.
+    void requireUnlock();
 
-private slots:
-    void update();
+    // Asynchronous error notification
+    void error(const QString &title, const QString &message, bool modal);
 };