ecoin/ecoin/src/alert.h

// ECOin - Copyright (c) - 2014/2022 - GPLv3 - epsylon@riseup.net (https://03c8.net)

#ifndef _ECOINALERT_H_
#define _ECOINALERT_H_ 1

#include <set>
#include <string>

#include "uint256.h"
#include "util.h"

class CNode;
class CUnsignedAlert
{
public:
    int nVersion;
    int64 nRelayUntil;      // when newer nodes stop relaying to newer nodes
    int64 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;

    IMPLEMENT_SERIALIZE
    (
        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(strComment);
        READWRITE(strStatusBar);
        READWRITE(strReserved);
    )

    void SetNull();

    std::string ToString() const;
    void print() const;
};

class CAlert : public CUnsignedAlert
{
public:
    std::vector<unsigned char> vchMsg;
    std::vector<unsigned char> vchSig;

    CAlert()
    {
        SetNull();
    }

    IMPLEMENT_SERIALIZE
    (
        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, std::string strSubVerIn) const;
    bool AppliesToMe() const;
    bool RelayTo(CNode* pnode) const;
    bool CheckSignature() const;
    bool ProcessAlert();

    static CAlert getAlertByHash(const uint256 &hash);
};

#endif