64cc3ecbd1
Introduce a PlatformStyle to handle platform-specific customization of the UI. This replaces 'scicon', as well as #ifdefs to determine whether to place icons on buttons. The selected PlatformStyle defaults to the platform that the application was compiled on, but can be overridden from the command line with `-uiplatform=<x>`. Also fixes the warning from #6328.
270 lines
9.5 KiB
C++
270 lines
9.5 KiB
C++
// Copyright (c) 2011-2014 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_QT_WALLETMODEL_H
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#define BITCOIN_QT_WALLETMODEL_H
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#include "paymentrequestplus.h"
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#include "walletmodeltransaction.h"
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#include "support/allocators/secure.h"
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#include <map>
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#include <vector>
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#include <QObject>
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class AddressTableModel;
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class OptionsModel;
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class PlatformStyle;
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class RecentRequestsTableModel;
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class TransactionTableModel;
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class WalletModelTransaction;
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class CCoinControl;
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class CKeyID;
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class COutPoint;
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class COutput;
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class CPubKey;
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class CWallet;
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class uint256;
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QT_BEGIN_NAMESPACE
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class QTimer;
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QT_END_NAMESPACE
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class SendCoinsRecipient
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{
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public:
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explicit SendCoinsRecipient() : amount(0), fSubtractFeeFromAmount(false), nVersion(SendCoinsRecipient::CURRENT_VERSION) { }
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explicit SendCoinsRecipient(const QString &addr, const QString &label, const CAmount& amount, const QString &message):
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address(addr), label(label), amount(amount), message(message), fSubtractFeeFromAmount(false), nVersion(SendCoinsRecipient::CURRENT_VERSION) {}
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// If from an unauthenticated payment request, this is used for storing
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// the addresses, e.g. address-A<br />address-B<br />address-C.
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// Info: As we don't need to process addresses in here when using
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// payment requests, we can abuse it for displaying an address list.
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// Todo: This is a hack, should be replaced with a cleaner solution!
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QString address;
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QString label;
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CAmount amount;
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// If from a payment request, this is used for storing the memo
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QString message;
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// If from a payment request, paymentRequest.IsInitialized() will be true
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PaymentRequestPlus paymentRequest;
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// Empty if no authentication or invalid signature/cert/etc.
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QString authenticatedMerchant;
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bool fSubtractFeeFromAmount; // memory only
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static const int CURRENT_VERSION = 1;
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int nVersion;
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
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std::string sAddress = address.toStdString();
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std::string sLabel = label.toStdString();
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std::string sMessage = message.toStdString();
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std::string sPaymentRequest;
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if (!ser_action.ForRead() && paymentRequest.IsInitialized())
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paymentRequest.SerializeToString(&sPaymentRequest);
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std::string sAuthenticatedMerchant = authenticatedMerchant.toStdString();
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READWRITE(this->nVersion);
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nVersion = this->nVersion;
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READWRITE(sAddress);
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READWRITE(sLabel);
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READWRITE(amount);
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READWRITE(sMessage);
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READWRITE(sPaymentRequest);
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READWRITE(sAuthenticatedMerchant);
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if (ser_action.ForRead())
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{
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address = QString::fromStdString(sAddress);
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label = QString::fromStdString(sLabel);
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message = QString::fromStdString(sMessage);
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if (!sPaymentRequest.empty())
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paymentRequest.parse(QByteArray::fromRawData(sPaymentRequest.data(), sPaymentRequest.size()));
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authenticatedMerchant = QString::fromStdString(sAuthenticatedMerchant);
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}
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}
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};
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/** Interface to Bitcoin wallet from Qt view code. */
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class WalletModel : public QObject
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{
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Q_OBJECT
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public:
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explicit WalletModel(const PlatformStyle *platformStyle, CWallet *wallet, OptionsModel *optionsModel, QObject *parent = 0);
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~WalletModel();
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enum StatusCode // Returned by sendCoins
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{
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OK,
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InvalidAmount,
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InvalidAddress,
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AmountExceedsBalance,
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AmountWithFeeExceedsBalance,
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DuplicateAddress,
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TransactionCreationFailed, // Error returned when wallet is still locked
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TransactionCommitFailed,
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AbsurdFee,
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PaymentRequestExpired
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};
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enum EncryptionStatus
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{
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Unencrypted, // !wallet->IsCrypted()
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Locked, // wallet->IsCrypted() && wallet->IsLocked()
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Unlocked // wallet->IsCrypted() && !wallet->IsLocked()
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};
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OptionsModel *getOptionsModel();
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AddressTableModel *getAddressTableModel();
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TransactionTableModel *getTransactionTableModel();
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RecentRequestsTableModel *getRecentRequestsTableModel();
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CAmount getBalance(const CCoinControl *coinControl = NULL) const;
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CAmount getUnconfirmedBalance() const;
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CAmount getImmatureBalance() const;
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bool haveWatchOnly() const;
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CAmount getWatchBalance() const;
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CAmount getWatchUnconfirmedBalance() const;
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CAmount getWatchImmatureBalance() const;
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EncryptionStatus getEncryptionStatus() const;
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// Check address for validity
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bool validateAddress(const QString &address);
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// Return status record for SendCoins, contains error id + information
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struct SendCoinsReturn
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{
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SendCoinsReturn(StatusCode status = OK):
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status(status) {}
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StatusCode status;
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};
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// prepare transaction for getting txfee before sending coins
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SendCoinsReturn prepareTransaction(WalletModelTransaction &transaction, const CCoinControl *coinControl = NULL);
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// Send coins to a list of recipients
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SendCoinsReturn sendCoins(WalletModelTransaction &transaction);
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// Wallet encryption
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bool setWalletEncrypted(bool encrypted, const SecureString &passphrase);
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// Passphrase only needed when unlocking
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bool setWalletLocked(bool locked, const SecureString &passPhrase=SecureString());
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bool changePassphrase(const SecureString &oldPass, const SecureString &newPass);
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// Wallet backup
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bool backupWallet(const QString &filename);
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// RAI object for unlocking wallet, returned by requestUnlock()
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class UnlockContext
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{
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public:
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UnlockContext(WalletModel *wallet, bool valid, bool relock);
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~UnlockContext();
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bool isValid() const { return valid; }
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// Copy operator and constructor transfer the context
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UnlockContext(const UnlockContext& obj) { CopyFrom(obj); }
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UnlockContext& operator=(const UnlockContext& rhs) { CopyFrom(rhs); return *this; }
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private:
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WalletModel *wallet;
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bool valid;
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mutable bool relock; // mutable, as it can be set to false by copying
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void CopyFrom(const UnlockContext& rhs);
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};
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UnlockContext requestUnlock();
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bool getPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const;
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void getOutputs(const std::vector<COutPoint>& vOutpoints, std::vector<COutput>& vOutputs);
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bool isSpent(const COutPoint& outpoint) const;
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void listCoins(std::map<QString, std::vector<COutput> >& mapCoins) const;
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bool isLockedCoin(uint256 hash, unsigned int n) const;
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void lockCoin(COutPoint& output);
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void unlockCoin(COutPoint& output);
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void listLockedCoins(std::vector<COutPoint>& vOutpts);
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void loadReceiveRequests(std::vector<std::string>& vReceiveRequests);
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bool saveReceiveRequest(const std::string &sAddress, const int64_t nId, const std::string &sRequest);
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private:
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CWallet *wallet;
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bool fHaveWatchOnly;
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bool fForceCheckBalanceChanged;
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// Wallet has an options model for wallet-specific options
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// (transaction fee, for example)
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OptionsModel *optionsModel;
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AddressTableModel *addressTableModel;
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TransactionTableModel *transactionTableModel;
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RecentRequestsTableModel *recentRequestsTableModel;
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// Cache some values to be able to detect changes
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CAmount cachedBalance;
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CAmount cachedUnconfirmedBalance;
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CAmount cachedImmatureBalance;
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CAmount cachedWatchOnlyBalance;
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CAmount cachedWatchUnconfBalance;
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CAmount cachedWatchImmatureBalance;
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EncryptionStatus cachedEncryptionStatus;
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int cachedNumBlocks;
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QTimer *pollTimer;
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void subscribeToCoreSignals();
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void unsubscribeFromCoreSignals();
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void checkBalanceChanged();
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signals:
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// Signal that balance in wallet changed
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void balanceChanged(const CAmount& balance, const CAmount& unconfirmedBalance, const CAmount& immatureBalance,
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const CAmount& watchOnlyBalance, const CAmount& watchUnconfBalance, const CAmount& watchImmatureBalance);
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// Encryption status of wallet changed
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void encryptionStatusChanged(int status);
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// Signal emitted when wallet needs to be unlocked
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// It is valid behaviour for listeners to keep the wallet locked after this signal;
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// this means that the unlocking failed or was cancelled.
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void requireUnlock();
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// Fired when a message should be reported to the user
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void message(const QString &title, const QString &message, unsigned int style);
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// Coins sent: from wallet, to recipient, in (serialized) transaction:
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void coinsSent(CWallet* wallet, SendCoinsRecipient recipient, QByteArray transaction);
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// Show progress dialog e.g. for rescan
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void showProgress(const QString &title, int nProgress);
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// Watch-only address added
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void notifyWatchonlyChanged(bool fHaveWatchonly);
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public slots:
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/* Wallet status might have changed */
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void updateStatus();
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/* New transaction, or transaction changed status */
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void updateTransaction();
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/* New, updated or removed address book entry */
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void updateAddressBook(const QString &address, const QString &label, bool isMine, const QString &purpose, int status);
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/* Watch-only added */
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void updateWatchOnlyFlag(bool fHaveWatchonly);
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/* Current, immature or unconfirmed balance might have changed - emit 'balanceChanged' if so */
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void pollBalanceChanged();
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};
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#endif // BITCOIN_QT_WALLETMODEL_H
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