1 files changed, 0 insertions, 116 deletions
diff --git a/src/timedata.cpp b/src/timedata.cpp
deleted file mode 100644
index d948de976f..0000000000
--- a/src/timedata.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-// Copyright (c) 2014-2022 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#if defined(HAVE_CONFIG_H)
-#include <config/bitcoin-config.h>
-#endif
-
-#include <timedata.h>
-
-#include <common/args.h>
-#include <logging.h>
-#include <netaddress.h>
-#include <node/interface_ui.h>
-#include <sync.h>
-#include <tinyformat.h>
-#include <util/translation.h>
-#include <warnings.h>
-
-static GlobalMutex g_timeoffset_mutex;
-static int64_t nTimeOffset GUARDED_BY(g_timeoffset_mutex) = 0;
-
-/**
- * "Never go to sea with two chronometers; take one or three."
- * Our three time sources are:
- *  - System clock
- *  - Median of other nodes clocks
- *  - The user (asking the user to fix the system clock if the first two disagree)
- */
-int64_t GetTimeOffset()
-{
-    LOCK(g_timeoffset_mutex);
-    return nTimeOffset;
-}
-
-#define BITCOIN_TIMEDATA_MAX_SAMPLES 200
-
-static std::set<CNetAddr> g_sources;
-static CMedianFilter<int64_t> g_time_offsets{BITCOIN_TIMEDATA_MAX_SAMPLES, 0};
-static bool g_warning_emitted;
-
-void AddTimeData(const CNetAddr& ip, int64_t nOffsetSample)
-{
-    LOCK(g_timeoffset_mutex);
-    // Ignore duplicates
-    if (g_sources.size() == BITCOIN_TIMEDATA_MAX_SAMPLES)
-        return;
-    if (!g_sources.insert(ip).second)
-        return;
-
-    // Add data
-    g_time_offsets.input(nOffsetSample);
-    LogPrint(BCLog::NET, "added time data, samples %d, offset %+d (%+d minutes)\n", g_time_offsets.size(), nOffsetSample, nOffsetSample / 60);
-
-    // There is a known issue here (see issue #4521):
-    //
-    // - The structure g_time_offsets contains up to 200 elements, after which
-    // any new element added to it will not increase its size, replacing the
-    // oldest element.
-    //
-    // - The condition to update nTimeOffset includes checking whether the
-    // number of elements in g_time_offsets is odd, which will never happen after
-    // there are 200 elements.
-    //
-    // But in this case the 'bug' is protective against some attacks, and may
-    // actually explain why we've never seen attacks which manipulate the
-    // clock offset.
-    //
-    // So we should hold off on fixing this and clean it up as part of
-    // a timing cleanup that strengthens it in a number of other ways.
-    //
-    if (g_time_offsets.size() >= 5 && g_time_offsets.size() % 2 == 1) {
-        int64_t nMedian = g_time_offsets.median();
-        std::vector<int64_t> vSorted = g_time_offsets.sorted();
-        // Only let other nodes change our time by so much
-        int64_t max_adjustment = std::max<int64_t>(0, gArgs.GetIntArg("-maxtimeadjustment", DEFAULT_MAX_TIME_ADJUSTMENT));
-        if (nMedian >= -max_adjustment && nMedian <= max_adjustment) {
-            nTimeOffset = nMedian;
-        } else {
-            nTimeOffset = 0;
-
-            if (!g_warning_emitted) {
-                // If nobody has a time different than ours but within 5 minutes of ours, give a warning
-                bool fMatch = false;
-                for (const int64_t nOffset : vSorted) {
-                    if (nOffset != 0 && nOffset > -5 * 60 && nOffset < 5 * 60) fMatch = true;
-                }
-
-                if (!fMatch) {
-                    g_warning_emitted = true;
-                    bilingual_str strMessage = strprintf(_("Please check that your computer's date and time are correct! If your clock is wrong, %s will not work properly."), PACKAGE_NAME);
-                    SetMiscWarning(strMessage);
-                    uiInterface.ThreadSafeMessageBox(strMessage, "", CClientUIInterface::MSG_WARNING);
-                }
-            }
-        }
-
-        if (LogAcceptCategory(BCLog::NET, BCLog::Level::Debug)) {
-            std::string log_message{"time data samples: "};
-            for (const int64_t n : vSorted) {
-                log_message += strprintf("%+d  ", n);
-            }
-            log_message += strprintf("|  median offset = %+d  (%+d minutes)", nTimeOffset, nTimeOffset / 60);
-            LogPrint(BCLog::NET, "%s\n", log_message);
-        }
-    }
-}
-
-void TestOnlyResetTimeData()
-{
-    LOCK(g_timeoffset_mutex);
-    nTimeOffset = 0;
-    g_sources.clear();
-    g_time_offsets = CMedianFilter<int64_t>{BITCOIN_TIMEDATA_MAX_SAMPLES, 0};
-    g_warning_emitted = false;
-}