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annotate src/qt/walletmodel.h @ 1271:052a2a34f756 draft

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Wallet encryption part 2: ask passphrase when needed, add menu options
author Wladimir J. van der Laan <laanwj@gmail.com>
date Wed, 24 Aug 2011 22:07:26 +0200
parents fc98f15bed54
children c4a6b003ac46
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1 #ifndef WALLETMODEL_H
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2 #define WALLETMODEL_H
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3
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4 #include <QObject>
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5 #include <string>
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6
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7 class OptionsModel;
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8 class AddressTableModel;
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9 class TransactionTableModel;
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10 class CWallet;
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11
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12 struct SendCoinsRecipient
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13 {
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14 QString address;
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15 QString label;
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16 qint64 amount;
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17 };
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18
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19 // Interface to Bitcoin wallet from Qt view code
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20 class WalletModel : public QObject
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21 {
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22 Q_OBJECT
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23 public:
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24 explicit WalletModel(CWallet *wallet, OptionsModel *optionsModel, QObject *parent = 0);
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25
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26 enum StatusCode
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27 {
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28 OK,
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29 InvalidAmount,
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30 InvalidAddress,
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31 AmountExceedsBalance,
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32 AmountWithFeeExceedsBalance,
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33 DuplicateAddress,
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34 TransactionCreationFailed,
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35 TransactionCommitFailed,
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36 Aborted,
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37 MiscError
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38 };
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39
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40 enum EncryptionStatus
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41 {
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42 Unencrypted, // !wallet->IsCrypted()
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43 Locked, // wallet->IsCrypted() && wallet->IsLocked()
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44 Unlocked // wallet->IsCrypted() && !wallet->IsLocked()
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45 };
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46
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47 OptionsModel *getOptionsModel();
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48 AddressTableModel *getAddressTableModel();
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49 TransactionTableModel *getTransactionTableModel();
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50
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51 qint64 getBalance() const;
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52 qint64 getUnconfirmedBalance() const;
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53 int getNumTransactions() const;
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54 EncryptionStatus getEncryptionStatus() const;
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55
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56 // Check address for validity
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57 bool validateAddress(const QString &address);
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58
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59 // Return status record for SendCoins, contains error id + information
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60 struct SendCoinsReturn
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61 {
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62 SendCoinsReturn(StatusCode status,
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63 qint64 fee=0,
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64 QString hex=QString()):
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65 status(status), fee(fee), hex(hex) {}
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66 StatusCode status;
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67 qint64 fee; // is used in case status is "AmountWithFeeExceedsBalance"
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68 QString hex; // is filled with the transaction hash if status is "OK"
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69 };
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70
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71 // Send coins to a list of recipients
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72 SendCoinsReturn sendCoins(const QList<SendCoinsRecipient> &recipients);
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73
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74 // Wallet encryption
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75 bool setWalletEncrypted(bool encrypted, const std::string &passphrase);
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76 // Passphrase only needed when unlocking
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77 bool setWalletLocked(bool locked, const std::string &passPhrase=std::string());
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78 bool changePassphrase(const std::string &oldPass, const std::string &newPass);
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79
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80 // RAI object for unlocking wallet, returned by requestUnlock()
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81 class UnlockContext
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82 {
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83 public:
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84 UnlockContext(WalletModel *wallet, bool valid, bool relock);
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85 ~UnlockContext();
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86
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87 bool isValid() const { return valid; }
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88
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89 UnlockContext(const UnlockContext& obj)
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90 { CopyFrom(obj); }
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91 private:
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92 UnlockContext& operator=(const UnlockContext& rhs)
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93 { CopyFrom(rhs); return *this; }
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94
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95 private:
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96 WalletModel *wallet;
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97 bool valid;
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98 mutable bool relock; // mutable, as it can be set to false by copying
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99
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100 void CopyFrom(const UnlockContext& rhs);
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101 };
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102
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103 UnlockContext requestUnlock();
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104
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105 private:
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106 CWallet *wallet;
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107
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108 // Wallet has an options model for wallet-specific options
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109 // (transaction fee, for example)
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110 OptionsModel *optionsModel;
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111
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112 AddressTableModel *addressTableModel;
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113 TransactionTableModel *transactionTableModel;
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114
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115 qint64 cachedBalance;
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116 qint64 cachedUnconfirmedBalance;
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117 qint64 cachedNumTransactions;
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118 EncryptionStatus cachedEncryptionStatus;
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119
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120 signals:
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121 void balanceChanged(qint64 balance, qint64 unconfirmedBalance);
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122 void numTransactionsChanged(int count);
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123 void encryptionStatusChanged(int status);
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124 void requireUnlock();
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126 // Asynchronous error notification
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Wladimir J. van der Laan <laanwj@gmail.com>
parents:
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127 void error(const QString &title, const QString &message);
fed522d006eb Split off WalletModel from ClientModel, to be able to support multi-wallets in future
Wladimir J. van der Laan <laanwj@gmail.com>
parents:
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128
fed522d006eb Split off WalletModel from ClientModel, to be able to support multi-wallets in future
Wladimir J. van der Laan <laanwj@gmail.com>
parents:
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129 public slots:
fed522d006eb Split off WalletModel from ClientModel, to be able to support multi-wallets in future
Wladimir J. van der Laan <laanwj@gmail.com>
parents:
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130
fed522d006eb Split off WalletModel from ClientModel, to be able to support multi-wallets in future
Wladimir J. van der Laan <laanwj@gmail.com>
parents:
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131 private slots:
fed522d006eb Split off WalletModel from ClientModel, to be able to support multi-wallets in future
Wladimir J. van der Laan <laanwj@gmail.com>
parents:
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132 void update();
fed522d006eb Split off WalletModel from ClientModel, to be able to support multi-wallets in future
Wladimir J. van der Laan <laanwj@gmail.com>
parents:
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133 };
fed522d006eb Split off WalletModel from ClientModel, to be able to support multi-wallets in future
Wladimir J. van der Laan <laanwj@gmail.com>
parents:
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134
fed522d006eb Split off WalletModel from ClientModel, to be able to support multi-wallets in future
Wladimir J. van der Laan <laanwj@gmail.com>
parents:
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135
fed522d006eb Split off WalletModel from ClientModel, to be able to support multi-wallets in future
Wladimir J. van der Laan <laanwj@gmail.com>
parents:
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136 #endif // WALLETMODEL_H