#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,
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();
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 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);
};
- // Send coins to list of recipients
- SendCoinsReturn sendCoins(const QList<SendCoinsRecipient> &recipients);
+ 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;
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);
};
git://git.novaco.in / novacoin.git / blobdiff