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Merge #7573: P2P: add maxtimeadjustment command line option

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e1523ce P2P: add maxtimeadjustment command line option (mruddy)
This commit is contained in:
Wladimir J. van der Laan 2016-03-30 09:31:32 +02:00 committed by Alexander Block
parent a9a209f586
commit 1c84417780
3 changed files with 5 additions and 1 deletions
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2
src/init.cpp
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@ -32,6 +32,7 @@
#include "script/standard.h" #include "script/standard.h"
#include "script/sigcache.h" #include "script/sigcache.h"
#include "scheduler.h" #include "scheduler.h"
#include "timedata.h"
#include "txdb.h" #include "txdb.h"
#include "txmempool.h" #include "txmempool.h"
#include "torcontrol.h" #include "torcontrol.h"
@ -446,6 +447,7 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += HelpMessageOpt("-maxconnections=<n>", strprintf(_("Maintain at most <n> connections to peers (temporary service connections excluded) (default: %u)"), DEFAULT_MAX_PEER_CONNECTIONS)); strUsage += HelpMessageOpt("-maxconnections=<n>", strprintf(_("Maintain at most <n> connections to peers (temporary service connections excluded) (default: %u)"), DEFAULT_MAX_PEER_CONNECTIONS));
strUsage += HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXRECEIVEBUFFER)); strUsage += HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXRECEIVEBUFFER));
strUsage += HelpMessageOpt("-maxsendbuffer=<n>", strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXSENDBUFFER)); strUsage += HelpMessageOpt("-maxsendbuffer=<n>", strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXSENDBUFFER));
strUsage += HelpMessageOpt("-maxtimeadjustment", strprintf(_("Maximum allowed median peer time offset adjustment. Local perspective of time may be influenced by peers forward or backward by this amount. (default: %u seconds)"), DEFAULT_MAX_TIME_ADJUSTMENT));
strUsage += HelpMessageOpt("-onion=<ip:port>", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy")); strUsage += HelpMessageOpt("-onion=<ip:port>", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy"));
strUsage += HelpMessageOpt("-onlynet=<net>", _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)")); strUsage += HelpMessageOpt("-onlynet=<net>", _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)"));
strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), DEFAULT_PERMIT_BAREMULTISIG)); strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), DEFAULT_PERMIT_BAREMULTISIG));

2
src/timedata.cpp
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@ -83,7 +83,7 @@ void AddTimeData(const CNetAddr& ip, int64_t nOffsetSample)
int64_t nMedian = vTimeOffsets.median(); int64_t nMedian = vTimeOffsets.median();
std::vector<int64_t> vSorted = vTimeOffsets.sorted(); std::vector<int64_t> vSorted = vTimeOffsets.sorted();
// Only let other nodes change our time by so much // Only let other nodes change our time by so much
if (abs64(nMedian) < 70 * 60) if (abs64(nMedian) <= std::max<int64_t>(0, GetArg("-maxtimeadjustment", DEFAULT_MAX_TIME_ADJUSTMENT)))
{ {
nTimeOffset = nMedian; nTimeOffset = nMedian;
} }

2
src/timedata.h
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@ -10,6 +10,8 @@
#include <stdint.h> #include <stdint.h>
#include <vector> #include <vector>
static const int64_t DEFAULT_MAX_TIME_ADJUSTMENT = 70 * 60;
class CNetAddr; class CNetAddr;
/** /**