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Respend transactions that conflict with transactions already in the wallet are added to it. They are not displayed unless they also involve the wallet, or get into a block. If they do not involve the wallet, they continue not to affect balance. Transactions that involve the wallet, and have conflicting non-equivalent transactions, are highlighted in red. When the conflict first occurs, a modal dialog is thrown. CWallet::SyncMetaData is changed to sync only to equivalent transactions. When a conflict is added to the wallet, counter nConflictsReceived is incremented. This acts like a change in active block height for the purpose of triggering UI updates.
116 lines
4.2 KiB
C++
116 lines
4.2 KiB
C++
// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2012 The Bitcoin developers
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// Distributed under the MIT/X11 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_UI_INTERFACE_H
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#define BITCOIN_UI_INTERFACE_H
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#include <stdint.h>
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#include <string>
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#include <boost/signals2/last_value.hpp>
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#include <boost/signals2/signal.hpp>
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class CBasicKeyStore;
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class CWallet;
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class uint256;
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/** General change type (added, updated, removed). */
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enum ChangeType
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{
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CT_NEW,
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CT_UPDATED,
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CT_DELETED,
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CT_GOT_CONFLICT
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};
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/** Signals for UI communication. */
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class CClientUIInterface
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{
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public:
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/** Flags for CClientUIInterface::ThreadSafeMessageBox */
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enum MessageBoxFlags
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{
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ICON_INFORMATION = 0,
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ICON_WARNING = (1U << 0),
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ICON_ERROR = (1U << 1),
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/**
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* Mask of all available icons in CClientUIInterface::MessageBoxFlags
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* This needs to be updated, when icons are changed there!
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*/
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ICON_MASK = (ICON_INFORMATION | ICON_WARNING | ICON_ERROR),
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/** These values are taken from qmessagebox.h "enum StandardButton" to be directly usable */
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BTN_OK = 0x00000400U, // QMessageBox::Ok
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BTN_YES = 0x00004000U, // QMessageBox::Yes
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BTN_NO = 0x00010000U, // QMessageBox::No
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BTN_ABORT = 0x00040000U, // QMessageBox::Abort
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BTN_RETRY = 0x00080000U, // QMessageBox::Retry
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BTN_IGNORE = 0x00100000U, // QMessageBox::Ignore
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BTN_CLOSE = 0x00200000U, // QMessageBox::Close
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BTN_CANCEL = 0x00400000U, // QMessageBox::Cancel
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BTN_DISCARD = 0x00800000U, // QMessageBox::Discard
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BTN_HELP = 0x01000000U, // QMessageBox::Help
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BTN_APPLY = 0x02000000U, // QMessageBox::Apply
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BTN_RESET = 0x04000000U, // QMessageBox::Reset
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/**
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* Mask of all available buttons in CClientUIInterface::MessageBoxFlags
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* This needs to be updated, when buttons are changed there!
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*/
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BTN_MASK = (BTN_OK | BTN_YES | BTN_NO | BTN_ABORT | BTN_RETRY | BTN_IGNORE |
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BTN_CLOSE | BTN_CANCEL | BTN_DISCARD | BTN_HELP | BTN_APPLY | BTN_RESET),
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/** Force blocking, modal message box dialog (not just OS notification) */
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MODAL = 0x10000000U,
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/** Don't bring GUI to foreground. Use for messages during initialization */
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NOSHOWGUI = 0x20000000U,
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/** Predefined combinations for certain default usage cases */
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MSG_INFORMATION = ICON_INFORMATION,
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MSG_WARNING = (ICON_WARNING | BTN_OK | MODAL),
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MSG_ERROR = (ICON_ERROR | BTN_OK | MODAL)
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};
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/** Show message box. */
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boost::signals2::signal<bool (const std::string& message, const std::string& caption, unsigned int style), boost::signals2::last_value<bool> > ThreadSafeMessageBox;
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/** Progress message during initialization. */
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boost::signals2::signal<void (const std::string &message)> InitMessage;
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/** Translate a message to the native language of the user. */
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boost::signals2::signal<std::string (const char* psz)> Translate;
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/** Block chain changed. */
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boost::signals2::signal<void ()> NotifyBlocksChanged;
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/** Number of network connections changed. */
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boost::signals2::signal<void (int newNumConnections)> NotifyNumConnectionsChanged;
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/**
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* New, updated or cancelled alert.
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* @note called with lock cs_mapAlerts held.
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*/
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boost::signals2::signal<void (const uint256 &hash, ChangeType status)> NotifyAlertChanged;
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/** A wallet has been loaded. */
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boost::signals2::signal<void (CWallet* wallet)> LoadWallet;
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/** Show progress e.g. for verifychain */
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boost::signals2::signal<void (const std::string &title, int nProgress)> ShowProgress;
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};
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extern CClientUIInterface uiInterface;
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/**
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* Translation function: Call Translate signal on UI interface, which returns a boost::optional result.
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* If no translation slot is registered, nothing is returned, and simply return the input.
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*/
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inline std::string _(const char* psz)
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{
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boost::optional<std::string> rv = uiInterface.Translate(psz);
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return rv ? (*rv) : psz;
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}
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#endif
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