Hush Full Node software. We were censored from Github, this is where all development happens now. https://hush.is
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// Copyright (c) 2014 The Bitcoin Core developers
// Copyright (c) 2016-2024 The Hush developers
// Copyright (c) 2020 The Zcash developers
// Distributed under the GPLv3 software license, see the accompanying
// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
/******************************************************************************
* Copyright © 2014-2020 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 "timedata.h"
#include "netbase.h"
#include "sync.h"
#include "ui_interface.h"
#include "util.h"
#include "util/strencodings.h"
CTimeWarning timeWarning;
/**
* Warn if we have seen TIMEDATA_WARNING_SAMPLES peer times, in the version messages of the
* first TIMEDATA_MAX_SAMPLES unique (by IP address) peers that connect, that are more than
* TIMEDATA_WARNING_THRESHOLD seconds but less than TIMEDATA_IGNORE_THRESHOLD seconds away
* from local time.
*/
int64_t CTimeWarning::AddTimeData(const CNetAddr& ip, int64_t nTime, int64_t now)
{
assert(now >= 0 && now <= INT64_MAX - TIMEDATA_IGNORE_THRESHOLD);
if (nTime <= now - TIMEDATA_IGNORE_THRESHOLD || nTime >= now + TIMEDATA_IGNORE_THRESHOLD) {
return 0;
}
int64_t nTimeOffset = nTime - now;
LOCK(cs);
// Ignore duplicate IPs.
if (setKnown.size() == TIMEDATA_MAX_SAMPLES || !setKnown.insert(ip).second) {
return nTimeOffset;
}
LogPrintf("Added time data, samples %d, offset %+d (%+d minutes)\n", setKnown.size(), nTimeOffset, nTimeOffset/60);
if (nPeersBehind + nPeersAhead < TIMEDATA_WARNING_SAMPLES) {
if (nTimeOffset < -TIMEDATA_WARNING_THRESHOLD) {
nPeersBehind++;
} else if (nTimeOffset > TIMEDATA_WARNING_THRESHOLD) {
nPeersAhead++;
}
if (nPeersBehind + nPeersAhead == TIMEDATA_WARNING_SAMPLES) {
Warn(nPeersAhead, nPeersBehind);
}
}
return nTimeOffset;
}
void CTimeWarning::Warn(size_t peersAhead, size_t peersBehind)
{
std::string strMessage;
if (peersBehind >= TIMEDATA_WARNING_MAJORITY) {
strMessage = _("Warning: Your computer's date and time may be ahead of the rest of the network! If your clock is wrong Hush will not work properly.");
} else if (peersAhead >= TIMEDATA_WARNING_MAJORITY) {
strMessage = _("Warning: Your computer's date and time may be behind the rest of the network! If your clock is wrong Hush will not work properly.");
} else {
strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong Hush will not work properly.");
}
LogPrintf("*** %s\n", strMessage);
uiInterface.ThreadSafeMessageBox(strMessage, "", CClientUIInterface::MSG_WARNING);
}