Browse Source
0.1075c82d4Move coins.cpp and keystore.cpp to libbitcoin_common (Wladimir J. van der Laan)84ce18cRemove unnecessary dependencies for bitcoin-cli (Wladimir J. van der Laan)14f888cMove network-time related functions to timedata.cpp/h (Wladimir J. van der Laan)
Wladimir J. van der Laan
10 years ago
29 changed files with 353 additions and 173 deletions
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// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "chainparamsbase.h" |
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#include "assert.h" |
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#include "util.h" |
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#include <boost/assign/list_of.hpp> |
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using namespace boost::assign; |
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//
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// Main network
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//
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class CBaseMainParams : public CBaseChainParams { |
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public: |
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CBaseMainParams() { |
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networkID = CBaseChainParams::MAIN; |
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nRPCPort = 8332; |
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} |
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}; |
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static CBaseMainParams mainParams; |
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//
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// Testnet (v3)
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//
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class CBaseTestNetParams : public CBaseMainParams { |
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public: |
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CBaseTestNetParams() { |
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networkID = CBaseChainParams::TESTNET; |
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nRPCPort = 18332; |
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strDataDir = "testnet3"; |
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} |
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}; |
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static CBaseTestNetParams testNetParams; |
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//
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// Regression test
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//
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class CBaseRegTestParams : public CBaseTestNetParams { |
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public: |
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CBaseRegTestParams() { |
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networkID = CBaseChainParams::REGTEST; |
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strDataDir = "regtest"; |
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} |
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}; |
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static CBaseRegTestParams regTestParams; |
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static CBaseChainParams *pCurrentBaseParams = 0; |
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const CBaseChainParams &BaseParams() { |
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assert(pCurrentBaseParams); |
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return *pCurrentBaseParams; |
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} |
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void SelectBaseParams(CBaseChainParams::Network network) { |
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switch (network) { |
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case CBaseChainParams::MAIN: |
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pCurrentBaseParams = &mainParams; |
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break; |
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case CBaseChainParams::TESTNET: |
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pCurrentBaseParams = &testNetParams; |
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break; |
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case CBaseChainParams::REGTEST: |
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pCurrentBaseParams = ®TestParams; |
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break; |
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default: |
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assert(false && "Unimplemented network"); |
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return; |
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} |
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} |
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bool SelectBaseParamsFromCommandLine() { |
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bool fRegTest = GetBoolArg("-regtest", false); |
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bool fTestNet = GetBoolArg("-testnet", false); |
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if (fTestNet && fRegTest) { |
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return false; |
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} |
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if (fRegTest) { |
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SelectBaseParams(CBaseChainParams::REGTEST); |
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} else if (fTestNet) { |
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SelectBaseParams(CBaseChainParams::TESTNET); |
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} else { |
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SelectBaseParams(CBaseChainParams::MAIN); |
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} |
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return true; |
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} |
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_CHAIN_PARAMS_BASE_H |
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#define BITCOIN_CHAIN_PARAMS_BASE_H |
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#include <vector> |
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#include <string> |
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/**
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* CBaseChainParams defines the base parameters (shared between bitcoin-cli and bitcoind) |
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* of a given instance of the Bitcoin system. |
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*/ |
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class CBaseChainParams |
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{ |
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public: |
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enum Network { |
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MAIN, |
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TESTNET, |
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REGTEST, |
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MAX_NETWORK_TYPES |
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}; |
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const std::string& DataDir() const { return strDataDir; } |
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int RPCPort() const { return nRPCPort; } |
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Network NetworkID() const { return networkID; } |
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protected: |
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CBaseChainParams() {} |
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int nRPCPort; |
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std::string strDataDir; |
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Network networkID; |
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}; |
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/**
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* Return the currently selected parameters. This won't change after app startup |
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* outside of the unit tests. |
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*/ |
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const CBaseChainParams &BaseParams(); |
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/** Sets the params returned by Params() to those for the given network. */ |
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void SelectBaseParams(CBaseChainParams::Network network); |
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/**
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* Looks for -regtest or -testnet and then calls SelectParams as appropriate. |
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* Returns false if an invalid combination is given. |
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*/ |
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bool SelectBaseParamsFromCommandLine(); |
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#endif |
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "timedata.h" |
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#include "netbase.h" |
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#include "sync.h" |
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#include "ui_interface.h" |
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#include "util.h" |
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#include <boost/foreach.hpp> |
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using namespace std; |
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static CCriticalSection cs_nTimeOffset; |
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static int64_t nTimeOffset = 0; |
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//
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// "Never go to sea with two chronometers; take one or three."
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// Our three time sources are:
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// - System clock
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// - Median of other nodes clocks
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// - The user (asking the user to fix the system clock if the first two disagree)
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//
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//
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int64_t GetTimeOffset() |
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{ |
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LOCK(cs_nTimeOffset); |
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return nTimeOffset; |
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} |
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int64_t GetAdjustedTime() |
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{ |
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return GetTime() + GetTimeOffset(); |
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} |
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void AddTimeData(const CNetAddr& ip, int64_t nTime) |
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{ |
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int64_t nOffsetSample = nTime - GetTime(); |
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LOCK(cs_nTimeOffset); |
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// Ignore duplicates
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static set<CNetAddr> setKnown; |
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if (!setKnown.insert(ip).second) |
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return; |
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// Add data
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static CMedianFilter<int64_t> vTimeOffsets(200,0); |
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vTimeOffsets.input(nOffsetSample); |
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LogPrintf("Added time data, samples %d, offset %+d (%+d minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60); |
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if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1) |
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{ |
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int64_t nMedian = vTimeOffsets.median(); |
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std::vector<int64_t> vSorted = vTimeOffsets.sorted(); |
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// Only let other nodes change our time by so much
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if (abs64(nMedian) < 70 * 60) |
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{ |
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nTimeOffset = nMedian; |
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} |
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else |
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{ |
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nTimeOffset = 0; |
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static bool fDone; |
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if (!fDone) |
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{ |
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// If nobody has a time different than ours but within 5 minutes of ours, give a warning
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bool fMatch = false; |
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BOOST_FOREACH(int64_t nOffset, vSorted) |
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if (nOffset != 0 && abs64(nOffset) < 5 * 60) |
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fMatch = true; |
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if (!fMatch) |
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{ |
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fDone = true; |
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string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong Bitcoin will not work properly."); |
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strMiscWarning = strMessage; |
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LogPrintf("*** %s\n", strMessage); |
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uiInterface.ThreadSafeMessageBox(strMessage, "", CClientUIInterface::MSG_WARNING); |
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} |
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} |
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} |
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if (fDebug) { |
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BOOST_FOREACH(int64_t n, vSorted) |
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LogPrintf("%+d ", n); |
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LogPrintf("| "); |
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} |
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LogPrintf("nTimeOffset = %+d (%+d minutes)\n", nTimeOffset, nTimeOffset/60); |
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} |
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} |
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@ -0,0 +1,17 @@
@@ -0,0 +1,17 @@
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_TIMEDATA_H |
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#define BITCOIN_TIMEDATA_H |
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#include <stdint.h> |
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class CNetAddr; |
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/* Functions to keep track of adjusted P2P time */ |
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int64_t GetTimeOffset(); |
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int64_t GetAdjustedTime(); |
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void AddTimeData(const CNetAddr& ip, int64_t nTime); |
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#endif |
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