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-rw-r--r--src/alert.h113
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diff --git a/src/alert.h b/src/alert.h
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--- a/src/alert.h
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-// Copyright (c) 2010 Satoshi Nakamoto
-// Copyright (c) 2009-2015 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_ALERT_H
-#define BITCOIN_ALERT_H
-
-#include "serialize.h"
-#include "sync.h"
-
-#include <map>
-#include <set>
-#include <stdint.h>
-#include <string>
-
-class CAlert;
-class CNode;
-class uint256;
-
-extern std::map<uint256, CAlert> mapAlerts;
-extern CCriticalSection cs_mapAlerts;
-
-/** Alerts are for notifying old versions if they become too obsolete and
- * need to upgrade. The message is displayed in the status bar.
- * Alert messages are broadcast as a vector of signed data. Unserializing may
- * not read the entire buffer if the alert is for a newer version, but older
- * versions can still relay the original data.
- */
-class CUnsignedAlert
-{
-public:
- int nVersion;
- int64_t nRelayUntil; // when newer nodes stop relaying to newer nodes
- int64_t nExpiration;
- int nID;
- int nCancel;
- std::set<int> setCancel;
- int nMinVer; // lowest version inclusive
- int nMaxVer; // highest version inclusive
- std::set<std::string> setSubVer; // empty matches all
- int nPriority;
-
- // Actions
- std::string strComment;
- std::string strStatusBar;
- std::string strReserved;
-
- ADD_SERIALIZE_METHODS;
-
- template <typename Stream, typename Operation>
- inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
- READWRITE(this->nVersion);
- nVersion = this->nVersion;
- READWRITE(nRelayUntil);
- READWRITE(nExpiration);
- READWRITE(nID);
- READWRITE(nCancel);
- READWRITE(setCancel);
- READWRITE(nMinVer);
- READWRITE(nMaxVer);
- READWRITE(setSubVer);
- READWRITE(nPriority);
-
- READWRITE(LIMITED_STRING(strComment, 65536));
- READWRITE(LIMITED_STRING(strStatusBar, 256));
- READWRITE(LIMITED_STRING(strReserved, 256));
- }
-
- void SetNull();
-
- std::string ToString() const;
-};
-
-/** An alert is a combination of a serialized CUnsignedAlert and a signature. */
-class CAlert : public CUnsignedAlert
-{
-public:
- std::vector<unsigned char> vchMsg;
- std::vector<unsigned char> vchSig;
-
- CAlert()
- {
- SetNull();
- }
-
- ADD_SERIALIZE_METHODS;
-
- template <typename Stream, typename Operation>
- inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
- READWRITE(vchMsg);
- READWRITE(vchSig);
- }
-
- void SetNull();
- bool IsNull() const;
- uint256 GetHash() const;
- bool IsInEffect() const;
- bool Cancels(const CAlert& alert) const;
- bool AppliesTo(int nVersion, const std::string& strSubVerIn) const;
- bool AppliesToMe() const;
- bool RelayTo(CNode* pnode) const;
- bool CheckSignature(const std::vector<unsigned char>& alertKey) const;
- bool ProcessAlert(const std::vector<unsigned char>& alertKey, bool fThread = true); // fThread means run -alertnotify in a free-running thread
- static void Notify(const std::string& strMessage, bool fThread);
-
- /*
- * Get copy of (active) alert object by hash. Returns a null alert if it is not found.
- */
- static CAlert getAlertByHash(const uint256 &hash);
-};
-
-#endif // BITCOIN_ALERT_H