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| author | mruddy <mruddy@users.noreply.github.com> | 2016-03-29 14:40:00 +0000 |
|---|---|---|
| committer | mruddy <mruddy@users.noreply.github.com> | 2016-03-29 14:40:00 +0000 |
| commit | e1523cee5808bb792cd99f037f06b736af4e23fb (patch) | |
| tree | 76b37d4fc920953cc55e611b8a6a7e0d3364ba5e /src | |
| parent | b35a59179359709df21eb026d35f4124ce90fbd1 (diff) | |
| download | bitcoin-e1523cee5808bb792cd99f037f06b736af4e23fb.tar.xz | |
P2P: add maxtimeadjustment command line option
Diffstat (limited to 'src')
| -rw-r--r-- | src/init.cpp | 2 | ||||
| -rw-r--r-- | src/timedata.cpp | 2 | ||||
| -rw-r--r-- | src/timedata.h | 2 |
3 files changed, 5 insertions, 1 deletions
diff --git a/src/init.cpp b/src/init.cpp index 38ac91b2af..0fb7146128 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -27,6 +27,7 @@ #include "script/standard.h" #include "script/sigcache.h" #include "scheduler.h" +#include "timedata.h" #include "txdb.h" #include "txmempool.h" #include "torcontrol.h" @@ -365,6 +366,7 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-maxconnections=<n>", strprintf(_("Maintain at most <n> connections to peers (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("-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("-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)); diff --git a/src/timedata.cpp b/src/timedata.cpp index 4d2f8d1e3b..b6bcf86fbf 100644 --- a/src/timedata.cpp +++ b/src/timedata.cpp @@ -83,7 +83,7 @@ void AddTimeData(const CNetAddr& ip, int64_t nOffsetSample) 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) + if (abs64(nMedian) <= std::max<int64_t>(0, GetArg("-maxtimeadjustment", DEFAULT_MAX_TIME_ADJUSTMENT))) { nTimeOffset = nMedian; } diff --git a/src/timedata.h b/src/timedata.h index 2296baf11b..9f2499c85c 100644 --- a/src/timedata.h +++ b/src/timedata.h @@ -10,6 +10,8 @@ #include <stdint.h> #include <vector> +static const int64_t DEFAULT_MAX_TIME_ADJUSTMENT = 70 * 60; + class CNetAddr; /** |