Inside Bitcoin

1// Copyright (c) 2011-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#ifndef BITCOIN_QT_BITCOIN_H
6#define BITCOIN_QT_BITCOIN_H
7
8#include <bitcoin-build-config.h> // IWYU pragma: keep
9
10#include <interfaces/node.h>
11#include <qt/initexecutor.h>
12
13#include <cassert>
14#include <memory>
15#include <optional>
16
17#include <QApplication>
18
19class BitcoinGUI;
20class ClientModel;
21class NetworkStyle;
22class OptionsModel;
23class PaymentServer;
24class PlatformStyle;
25class SplashScreen;
26class WalletController;
27class WalletModel;
28namespace interfaces {
29class Init;
30} // namespace interfaces
31
32
33/** Main Bitcoin application object */
34class BitcoinApplication: public QApplication
35{
36    Q_OBJECT
37public:
38    explicit BitcoinApplication();
39    ~BitcoinApplication();
40
41#ifdef ENABLE_WALLET
42    /// Create payment server
43    void createPaymentServer();
44#endif
45    /// parameter interaction/setup based on rules
46    void parameterSetup();
47    /// Create options model
48    [[nodiscard]] bool createOptionsModel(bool resetSettings);
49    /// Initialize prune setting
50    void InitPruneSetting(int64_t prune_MiB);
51    /// Create main window
52    void createWindow(const NetworkStyle *networkStyle);
53    /// Create splash screen
54    void createSplashScreen(const NetworkStyle *networkStyle);
55    /// Create or spawn node
56    void createNode(interfaces::Init& init);
57    /// Basic initialization, before starting initialization/shutdown thread. Return true on success.
58    bool baseInitialize();
59
60    /// Request core initialization
61    void requestInitialize();
62
63    /// Get window identifier of QMainWindow (BitcoinGUI)
64    WId getMainWinId() const;
65
66    /// Setup platform style
67    void setupPlatformStyle();
68
69    interfaces::Node& node() const { assert(m_node); return *m_node; }
70
71public Q_SLOTS:
72    void initializeResult(bool success, interfaces::BlockAndHeaderTipInfo tip_info);
73    /// Request core shutdown
74    void requestShutdown();
75    /// Handle runaway exceptions. Shows a message box with the problem and quits the program.
76    void handleRunawayException(const QString &message);
77
78    /**
79     * A helper function that shows a message box
80     * with details about a non-fatal exception.
81     */
82    void handleNonFatalException(const QString& message);
83
84Q_SIGNALS:
85    void requestedInitialize();
86    void requestedShutdown();
87    void windowShown(BitcoinGUI* window);
88
89protected:
90    bool event(QEvent* e) override;
91
92private:
93    std::optional<InitExecutor> m_executor;
94    OptionsModel* optionsModel{nullptr};
95    ClientModel* clientModel{nullptr};
96    BitcoinGUI* window{nullptr};
97    QTimer* pollShutdownTimer{nullptr};
98#ifdef ENABLE_WALLET
99    PaymentServer* paymentServer{nullptr};
100    WalletController* m_wallet_controller{nullptr};
101#endif
102    const PlatformStyle* platformStyle{nullptr};
103    std::unique_ptr<QWidget> shutdownWindow;
104    SplashScreen* m_splash = nullptr;
105    std::unique_ptr<interfaces::Node> m_node;
106
107    void startThread();
108};
109
110int GuiMain(int argc, char* argv[]);
111
112#endif // BITCOIN_QT_BITCOIN_H
113