Bitcoin ABC  0.26.3
P2P Digital Currency
clientmodel.h
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1 // Copyright (c) 2011-2016 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_CLIENTMODEL_H
6 #define BITCOIN_QT_CLIENTMODEL_H
7 
8 #include <QDateTime>
9 #include <QObject>
10 
11 #include <atomic>
12 #include <memory>
13 #include <primitives/blockhash.h>
14 #include <sync.h>
15 
16 class BanTableModel;
17 class CBlockIndex;
18 class OptionsModel;
19 class PeerTableModel;
20 
21 class CBlockIndex;
22 enum class SynchronizationState;
23 
24 namespace interfaces {
25 class Handler;
26 class Node;
27 } // namespace interfaces
28 
29 QT_BEGIN_NAMESPACE
30 class QTimer;
31 QT_END_NAMESPACE
32 
33 enum class BlockSource { NONE, REINDEX, DISK, NETWORK };
34 
36 class ClientModel : public QObject {
37  Q_OBJECT
38 
39 public:
42  CONNECTIONS_IN = (1U << 0),
43  CONNECTIONS_OUT = (1U << 1),
45  };
46 
48  QObject *parent = nullptr);
49  ~ClientModel();
50 
51  interfaces::Node &node() const { return m_node; }
55 
58  int getNumBlocks() const;
60  int getHeaderTipHeight() const;
61  int64_t getHeaderTipTime() const;
62 
64  enum BlockSource getBlockSource() const;
66  QString getStatusBarWarnings() const;
67 
68  QString formatFullVersion() const;
69  QString formatSubVersion() const;
70  bool isReleaseVersion() const;
71  QString formatClientStartupTime() const;
72  QString dataDir() const;
73  QString blocksDir() const;
74 
75  bool getProxyInfo(std::string &ip_port) const;
76 
77  // caches for the best header: hash, number of blocks and block time
78  mutable std::atomic<int> cachedBestHeaderHeight;
79  mutable std::atomic<int64_t> cachedBestHeaderTime;
80  mutable std::atomic<int> m_cached_num_blocks{-1};
81 
83  BlockHash m_cached_tip_blocks GUARDED_BY(m_cached_tip_mutex);
84 
85 private:
87  std::unique_ptr<interfaces::Handler> m_handler_show_progress;
88  std::unique_ptr<interfaces::Handler>
90  std::unique_ptr<interfaces::Handler>
92  std::unique_ptr<interfaces::Handler> m_handler_notify_alert_changed;
93  std::unique_ptr<interfaces::Handler> m_handler_banned_list_changed;
94  std::unique_ptr<interfaces::Handler> m_handler_notify_block_tip;
95  std::unique_ptr<interfaces::Handler> m_handler_notify_header_tip;
99 
101  QThread *const m_thread;
102 
103  void subscribeToCoreSignals();
105 
106 Q_SIGNALS:
108  void numBlocksChanged(int count, const QDateTime &blockDate,
109  double nVerificationProgress, bool header,
110  SynchronizationState sync_state);
111  void mempoolSizeChanged(long count, size_t mempoolSizeInBytes);
112  void networkActiveChanged(bool networkActive);
113  void alertsChanged(const QString &warnings);
114  void bytesChanged(quint64 totalBytesIn, quint64 totalBytesOut);
115 
117  void message(const QString &title, const QString &message,
118  unsigned int style);
119 
120  // Show progress dialog e.g. for verifychain
121  void showProgress(const QString &title, int nProgress);
122 
123 public Q_SLOTS:
124  void updateNumConnections(int numConnections);
125  void updateNetworkActive(bool networkActive);
126  void updateAlert();
127  void updateBanlist();
128 };
129 
130 #endif // BITCOIN_QT_CLIENTMODEL_H
int flags
Definition: bitcoin-tx.cpp:534
Qt model providing information about connected peers, similar to the "getpeerinfo" RPC call.
Definition: bantablemodel.h:42
The block chain is a tree shaped structure starting with the genesis block at the root,...
Definition: blockindex.h:23
Model for Bitcoin network client.
Definition: clientmodel.h:36
void updateAlert()
std::unique_ptr< interfaces::Handler > m_handler_banned_list_changed
Definition: clientmodel.h:93
void bytesChanged(quint64 totalBytesIn, quint64 totalBytesOut)
void updateBanlist()
void showProgress(const QString &title, int nProgress)
QString blocksDir() const
QString getStatusBarWarnings() const
Return warnings to be displayed in status bar.
int getHeaderTipHeight() const
Definition: clientmodel.cpp:82
std::unique_ptr< interfaces::Handler > m_handler_show_progress
Definition: clientmodel.h:87
std::atomic< int64_t > cachedBestHeaderTime
Definition: clientmodel.h:79
std::unique_ptr< interfaces::Handler > m_handler_notify_alert_changed
Definition: clientmodel.h:92
interfaces::Node & m_node
Definition: clientmodel.h:86
interfaces::Node & node() const
Definition: clientmodel.h:51
Mutex m_cached_tip_mutex
Definition: clientmodel.h:82
PeerTableModel * getPeerTableModel()
BlockHash m_cached_tip_blocks GUARDED_BY(m_cached_tip_mutex)
void updateNetworkActive(bool networkActive)
std::atomic< int > cachedBestHeaderHeight
Definition: clientmodel.h:78
void updateNumConnections(int numConnections)
int getNumConnections(NumConnections flags=CONNECTIONS_ALL) const
Return number of connections, default is in- and outbound (total)
Definition: clientmodel.cpp:68
void message(const QString &title, const QString &message, unsigned int style)
Fired when a message should be reported to the user.
void numConnectionsChanged(int count)
@ CONNECTIONS_NONE
Definition: clientmodel.h:41
int getNumBlocks() const
void numBlocksChanged(int count, const QDateTime &blockDate, double nVerificationProgress, bool header, SynchronizationState sync_state)
int64_t getHeaderTipTime() const
Definition: clientmodel.cpp:96
std::unique_ptr< interfaces::Handler > m_handler_notify_block_tip
Definition: clientmodel.h:94
QString formatClientStartupTime() const
enum BlockSource getBlockSource() const
Returns enum BlockSource of the current importing/syncing state.
ClientModel(interfaces::Node &node, OptionsModel *optionsModel, QObject *parent=nullptr)
Definition: clientmodel.cpp:31
std::unique_ptr< interfaces::Handler > m_handler_notify_num_connections_changed
Definition: clientmodel.h:89
std::unique_ptr< interfaces::Handler > m_handler_notify_network_active_changed
Definition: clientmodel.h:91
OptionsModel * optionsModel
Definition: clientmodel.h:96
BanTableModel * banTableModel
Definition: clientmodel.h:98
QThread *const m_thread
A thread to interact with m_node asynchronously.
Definition: clientmodel.h:101
std::unique_ptr< interfaces::Handler > m_handler_notify_header_tip
Definition: clientmodel.h:95
BanTableModel * getBanTableModel()
void unsubscribeFromCoreSignals()
void alertsChanged(const QString &warnings)
QString dataDir() const
std::atomic< int > m_cached_num_blocks
Definition: clientmodel.h:80
OptionsModel * getOptionsModel()
QString formatFullVersion() const
PeerTableModel * peerTableModel
Definition: clientmodel.h:97
BlockHash getBestBlockHash()
bool getProxyInfo(std::string &ip_port) const
QString formatSubVersion() const
void mempoolSizeChanged(long count, size_t mempoolSizeInBytes)
bool isReleaseVersion() const
void subscribeToCoreSignals()
void networkActiveChanged(bool networkActive)
Interface from Qt to configuration data structure for Bitcoin client.
Definition: optionsmodel.h:48
Qt model providing information about connected peers, similar to the "getpeerinfo" RPC call.
Top-level interface for a bitcoin node (bitcoind process).
Definition: node.h:57
BlockSource
Definition: clientmodel.h:33
Definition: init.h:28
A BlockHash is a unqiue identifier for a block.
Definition: blockhash.h:13
static int count
Definition: tests.c:31
SynchronizationState
Current sync state passed to tip changed callbacks.
Definition: validation.h:129