// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "util.h"
+#include "allocators.h"
#include "interface.h"
#include "sync.h"
#include "version.h"
bool fTestNet = false;
bool fNoListen = false;
bool fLogTimestamps = false;
-CMedianFilter<int64_t> vTimeOffsets(200,0);
bool fReopenDebugLog = false;
// Extended DecodeDumpTime implementation, see this page for details:
-
-
-
-
-//
-// "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)
-//
-
// System clock
int64_t GetTime()
{
return now;
}
-// Trusted NTP offset or median of NTP samples.
-extern int64_t nNtpOffset;
-
-// Median of time samples given by other nodes.
-static int64_t nNodesOffset = INT64_MAX;
-
-// Select time offset:
-int64_t GetTimeOffset()
-{
- // If NTP and system clock are in agreement within 40 minutes, then use NTP.
- if (abs64(nNtpOffset) < 40 * 60)
- return nNtpOffset;
-
- // If not, then choose between median peer time and system clock.
- if (abs64(nNodesOffset) < 70 * 60)
- return nNodesOffset;
-
- return 0;
-}
-
-int64_t GetNodesOffset()
-{
- return nNodesOffset;
-}
-
-int64_t GetAdjustedTime()
-{
- return GetTime() + GetTimeOffset();
-}
-
-void AddTimeData(const CNetAddr& ip, int64_t nTime)
-{
- int64_t nOffsetSample = nTime - GetTime();
-
- // Ignore duplicates
- static set<CNetAddr> setKnown;
- if (!setKnown.insert(ip).second)
- return;
-
- // Add data
- vTimeOffsets.input(nOffsetSample);
- printf("Added time data, samples %d, offset %+" PRId64 " (%+" PRId64 " minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
- if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
- {
- int64_t nMedian = vTimeOffsets.median();
- std::vector<int64_t> vSorted = vTimeOffsets.sorted();
- // Only let other nodes change our time by so much
- if (abs64(nMedian) < 70 * 60)
- {
- nNodesOffset = nMedian;
- }
- else
- {
- nNodesOffset = INT64_MAX;
-
- static bool fDone;
- if (!fDone)
- {
- bool fMatch = false;
-
- // If nobody has a time different than ours but within 5 minutes of ours, give a warning
- for (int64_t nOffset : vSorted)
- if (nOffset != 0 && abs64(nOffset) < 5 * 60)
- fMatch = true;
-
- if (!fMatch)
- {
- fDone = true;
- string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
- strMiscWarning = strMessage;
- printf("*** %s\n", strMessage.c_str());
- uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
- }
- }
- }
- if (fDebug) {
- for (int64_t n : vSorted)
- printf("%+" PRId64 " ", n);
- printf("| ");
- }
- if (nNodesOffset != INT64_MAX)
- printf("nNodesOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNodesOffset, nNodesOffset/60);
- }
-}
-
string FormatVersion(int nVersion)
{
if (nVersion%100 == 0)