hush3/src/alert.cpp

// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin Core developers
// Copyright (c) 2016-2020 The Hush developers
// Distributed under the GPLv3 software license, see the accompanying
// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
/******************************************************************************
 * Copyright © 2014-2019 The SuperNET Developers.                             *
 *                                                                            *
 * See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at                  *
 * the top-level directory of this distribution for the individual copyright  *
 * holder information and the developer policies on copyright and licensing.  *
 *                                                                            *
 * Unless otherwise agreed in a custom licensing agreement, no part of the    *
 * SuperNET software, including this file may be copied, modified, propagated *
 * or distributed except according to the terms contained in the LICENSE file *
 *                                                                            *
 * Removal or modification of this copyright notice is prohibited.            *
 *                                                                            *
 ******************************************************************************/
#include "alert.h"
#include "clientversion.h"
#include "net.h"
#include "pubkey.h"
#include "timedata.h"
#include "ui_interface.h"
#include "util.h"
#include <stdint.h>
#include <algorithm>
#include <map>
#include <boost/algorithm/string/classification.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <boost/foreach.hpp>
#include <boost/thread.hpp>

using namespace std;

map<uint256, CAlert> mapAlerts;
CCriticalSection cs_mapAlerts;

void CUnsignedAlert::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();
    strRPCError.clear();
}

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

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

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

uint256 CAlert::GetHash() const
{
    return Hash(this->vchMsg.begin(), this->vchMsg.end());
}

bool CAlert::IsInEffect() const
{
    return false;
}

bool CAlert::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 CAlert::AppliesTo(int nVersion, const std::string& strSubVerIn) const
{
    // TODO: rework for client-version-embedded-in-strSubVer ?
    return (IsInEffect() &&
            nMinVer <= nVersion && nVersion <= nMaxVer &&
            (setSubVer.empty() || setSubVer.count(strSubVerIn)));
}

bool CAlert::AppliesToMe() const
{
    return false;
}

bool CAlert::RelayTo(CNode* pnode) const
{
    return false;
}

bool CAlert::CheckSignature(const std::vector<unsigned char>& alertKey) const
{
    return false;
}

CAlert CAlert::getAlertByHash(const uint256 &hash)
{
    CAlert retval;
    return retval;
}

bool CAlert::ProcessAlert(const std::vector<unsigned char>& alertKey, bool fThread)
{
    return true;
}

void CAlert::Notify(const std::string& strMessage, bool fThread)
{
    return;
}