(1355 . 211)(1355 . 4)
    }
};









//
// 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 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()
    {
        nVersion = 1;
        nRelayUntil = 0;
        nExpiration = 0;
        nID = 0;
        nCancel = 0;
        setCancel.clear();
        nMinVer = 0;
        nMaxVer = 0;
        setSubVer.clear();
        nPriority = 0;

        strComment.clear();
        strStatusBar.clear();
        strReserved.clear();
    }

    std::string ToString() const
    {
        std::string strSetCancel;
        BOOST_FOREACH(int n, setCancel)
            strSetCancel += strprintf("%d ", n);
        std::string strSetSubVer;
        BOOST_FOREACH(std::string str, setSubVer)
            strSetSubVer += "\"" + str + "\" ";
        return strprintf(
                "CAlert(\n"
                "    nVersion     = %d\n"
                "    nRelayUntil  = %"PRI64d"\n"
                "    nExpiration  = %"PRI64d"\n"
                "    nID          = %d\n"
                "    nCancel      = %d\n"
                "    setCancel    = %s\n"
                "    nMinVer      = %d\n"
                "    nMaxVer      = %d\n"
                "    setSubVer    = %s\n"
                "    nPriority    = %d\n"
                "    strComment   = \"%s\"\n"
                "    strStatusBar = \"%s\"\n"
                ")\n",
            nVersion,
            nRelayUntil,
            nExpiration,
            nID,
            nCancel,
            strSetCancel.c_str(),
            nMinVer,
            nMaxVer,
            strSetSubVer.c_str(),
            nPriority,
            strComment.c_str(),
            strStatusBar.c_str());
    }

    void print() const
    {
        printf("%s", ToString().c_str());
    }
};

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()
    {
        CUnsignedAlert::SetNull();
        vchMsg.clear();
        vchSig.clear();
    }

    bool IsNull() const
    {
        return (nExpiration == 0);
    }

    uint256 GetHash() const
    {
        return SerializeHash(*this);
    }

    bool IsInEffect() const
    {
        return (GetAdjustedTime() < nExpiration);
    }

    bool Cancels(const CAlert& alert) const
    {
        if (!IsInEffect())
            return false; // this was a no-op before 31403
        return (alert.nID <= nCancel || setCancel.count(alert.nID));
    }

    bool AppliesTo(int nVersion, std::string strSubVerIn) const
    {
        return (IsInEffect() &&
                nMinVer <= nVersion && nVersion <= nMaxVer &&
                (setSubVer.empty() || setSubVer.count(strSubVerIn)));
    }

    bool AppliesToMe() const
    {
        return AppliesTo(VERSION, ::pszSubVer);
    }

    bool RelayTo(CNode* pnode) const
    {
        if (!IsInEffect())
            return false;
        // returns true if wasn't already contained in the set
        if (pnode->setKnown.insert(GetHash()).second)
        {
            if (AppliesTo(pnode->nVersion, pnode->strSubVer) ||
                AppliesToMe() ||
                GetAdjustedTime() < nRelayUntil)
            {
                pnode->PushMessage("alert", *this);
                return true;
            }
        }
        return false;
    }

    bool CheckSignature()
    {
        CKey key;
        if (!key.SetPubKey(ParseHex("04fc9702847840aaf195de8442ebecedf5b095cdbb9bc716bda9110971b28a49e0ead8564ff0db22209e0374782c093bb899692d524e9d6a6956e7c5ecbcd68284")))
            return error("CAlert::CheckSignature() : SetPubKey failed");
        if (!key.Verify(Hash(vchMsg.begin(), vchMsg.end()), vchSig))
            return error("CAlert::CheckSignature() : verify signature failed");

        // Now unserialize the data
        CDataStream sMsg(vchMsg);
        sMsg >> *(CUnsignedAlert*)this;
        return true;
    }

    bool ProcessAlert();
};

#endif