walletcontroller.h

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// Copyright (c) 2019-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_QT_WALLETCONTROLLER_H
#define BITCOIN_QT_WALLETCONTROLLER_H
 
#include <qt/sendcoinsrecipient.h>
#include <support/allocators/secure.h>
#include <sync.h>
#include <util/translation.h>
 
#include <map>
#include <memory>
#include <string>
#include <vector>
 
#include <QMessageBox>
#include <QMutex>
#include <QProgressDialog>
#include <QThread>
#include <QTimer>
#include <QString>
 
class ClientModel;
class PlatformStyle;
class WalletModel;
 
namespace interfaces {
class Handler;
class Node;
class Wallet;
} // namespace interfaces
 
namespace fs {
class path;
}
 
class AskPassphraseDialog;
class CreateWalletActivity;
class CreateWalletDialog;
class MigrateWalletActivity;
class OpenWalletActivity;
class WalletControllerActivity;
 
class WalletController : public QObject
{
    Q_OBJECT
 
    void removeAndDeleteWallet(WalletModel* wallet_model);
 
public:
    WalletController(ClientModel& client_model, const PlatformStyle* platform_style, QObject* parent);
    ~WalletController();
 
    WalletModel* getOrCreateWallet(std::unique_ptr<interfaces::Wallet> wallet);
 
    std::map<std::string, std::pair<bool, std::string>> listWalletDir() const;
 
    void closeWallet(WalletModel* wallet_model, QWidget* parent = nullptr);
    void closeAllWallets(QWidget* parent = nullptr);
 
Q_SIGNALS:
    void walletAdded(WalletModel* wallet_model);
    void walletRemoved(WalletModel* wallet_model);
 
    void coinsSent(WalletModel* wallet_model, SendCoinsRecipient recipient, QByteArray transaction);
 
private:
    QThread* const m_activity_thread;
    QObject* const m_activity_worker;
    ClientModel& m_client_model;
    interfaces::Node& m_node;
    const PlatformStyle* const m_platform_style;
    mutable QMutex m_mutex;
    std::vector<WalletModel*> m_wallets;
    std::unique_ptr<interfaces::Handler> m_handler_load_wallet;
 
    friend class WalletControllerActivity;
    friend class MigrateWalletActivity;
 
    void removeWallet(WalletModel* wallet_model);
};
 
class WalletControllerActivity : public QObject
{
    Q_OBJECT
 
public:
    WalletControllerActivity(WalletController* wallet_controller, QWidget* parent_widget);
    virtual ~WalletControllerActivity() = default;
 
Q_SIGNALS:
    void finished();
 
protected:
    interfaces::Node& node() const { return m_wallet_controller->m_node; }
    QObject* worker() const { return m_wallet_controller->m_activity_worker; }
 
    void showProgressDialog(const QString& title_text, const QString& label_text, bool show_minimized=false);
 
    WalletController* const m_wallet_controller;
    QWidget* const m_parent_widget;
    WalletModel* m_wallet_model{nullptr};
    bilingual_str m_error_message;
    std::vector<bilingual_str> m_warning_message;
};
 
 
class CreateWalletActivity : public WalletControllerActivity
{
    Q_OBJECT
 
public:
    CreateWalletActivity(WalletController* wallet_controller, QWidget* parent_widget);
    virtual ~CreateWalletActivity();
 
    void create();
 
Q_SIGNALS:
    void created(WalletModel* wallet_model);
 
private:
    void askPassphrase();
    void createWallet();
    void finish();
 
    SecureString m_passphrase;
    CreateWalletDialog* m_create_wallet_dialog{nullptr};
    AskPassphraseDialog* m_passphrase_dialog{nullptr};
};
 
class OpenWalletActivity : public WalletControllerActivity
{
    Q_OBJECT
 
public:
    OpenWalletActivity(WalletController* wallet_controller, QWidget* parent_widget);
 
    void open(const std::string& path);
 
Q_SIGNALS:
    void opened(WalletModel* wallet_model);
 
private:
    void finish();
};
 
class LoadWalletsActivity : public WalletControllerActivity
{
    Q_OBJECT
 
public:
    LoadWalletsActivity(WalletController* wallet_controller, QWidget* parent_widget);
 
    void load(bool show_loading_minimized);
};
 
class RestoreWalletActivity : public WalletControllerActivity
{
    Q_OBJECT
 
public:
    RestoreWalletActivity(WalletController* wallet_controller, QWidget* parent_widget);
 
    void restore(const fs::path& backup_file, const std::string& wallet_name);
 
Q_SIGNALS:
    void restored(WalletModel* wallet_model);
 
private:
    void finish();
};
 
class MigrateWalletActivity : public WalletControllerActivity
{
    Q_OBJECT
 
public:
    MigrateWalletActivity(WalletController* wallet_controller, QWidget* parent) : WalletControllerActivity(wallet_controller, parent) {}
 
    void restore_and_migrate(const fs::path& path, const std::string& wallet_name);
    void migrate(const std::string& path);
 
Q_SIGNALS:
    void migrated(WalletModel* wallet_model);
 
private:
    QString m_success_message;
 
    void do_migrate(const std::string& name, bool load_wallet);
    void finish();
};
 
#endif // BITCOIN_QT_WALLETCONTROLLER_H