1644 lines
79 KiB
C++
1644 lines
79 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2016 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#if defined(HAVE_CONFIG_H)
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#include "config/bitcoin-config.h"
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#endif
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#include "init.h"
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#include "addrman.h"
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#include "amount.h"
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#include "chain.h"
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#include "chainparams.h"
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#include "checkpoints.h"
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#include "compat/sanity.h"
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#include "consensus/validation.h"
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#include "httpserver.h"
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#include "httprpc.h"
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#include "key.h"
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#include "validation.h"
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#include "miner.h"
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#include "netbase.h"
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#include "net.h"
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#include "net_processing.h"
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#include "policy/policy.h"
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#include "rpc/server.h"
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#include "rpc/register.h"
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#include "script/standard.h"
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#include "script/sigcache.h"
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#include "scheduler.h"
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#include "timedata.h"
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#include "txdb.h"
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#include "txmempool.h"
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#include "torcontrol.h"
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#include "ui_interface.h"
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#include "util.h"
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#include "utilmoneystr.h"
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#include "validationinterface.h"
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#ifdef ENABLE_WALLET
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#include "wallet/wallet.h"
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#endif
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#include "warnings.h"
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#include <stdint.h>
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#include <stdio.h>
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#include <memory>
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#ifndef WIN32
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#include <signal.h>
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#endif
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#include <boost/algorithm/string/classification.hpp>
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#include <boost/algorithm/string/predicate.hpp>
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#include <boost/algorithm/string/replace.hpp>
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#include <boost/algorithm/string/split.hpp>
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#include <boost/bind.hpp>
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#include <boost/filesystem.hpp>
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#include <boost/function.hpp>
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#include <boost/interprocess/sync/file_lock.hpp>
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#include <boost/thread.hpp>
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#include <openssl/crypto.h>
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#if ENABLE_ZMQ
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#include "zmq/zmqnotificationinterface.h"
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#endif
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bool fFeeEstimatesInitialized = false;
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static const bool DEFAULT_PROXYRANDOMIZE = true;
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static const bool DEFAULT_REST_ENABLE = false;
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static const bool DEFAULT_DISABLE_SAFEMODE = false;
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static const bool DEFAULT_STOPAFTERBLOCKIMPORT = false;
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std::unique_ptr<CConnman> g_connman;
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std::unique_ptr<PeerLogicValidation> peerLogic;
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#if ENABLE_ZMQ
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static CZMQNotificationInterface* pzmqNotificationInterface = NULL;
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#endif
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#ifdef WIN32
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// Win32 LevelDB doesn't use filedescriptors, and the ones used for
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// accessing block files don't count towards the fd_set size limit
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// anyway.
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#define MIN_CORE_FILEDESCRIPTORS 0
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#else
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#define MIN_CORE_FILEDESCRIPTORS 150
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#endif
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/** Used to pass flags to the Bind() function */
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enum BindFlags {
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BF_NONE = 0,
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BF_EXPLICIT = (1U << 0),
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BF_REPORT_ERROR = (1U << 1),
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BF_WHITELIST = (1U << 2),
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};
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static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat";
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//////////////////////////////////////////////////////////////////////////////
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//
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// Shutdown
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//
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//
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// Thread management and startup/shutdown:
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//
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// The network-processing threads are all part of a thread group
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// created by AppInit() or the Qt main() function.
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//
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// A clean exit happens when StartShutdown() or the SIGTERM
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// signal handler sets fRequestShutdown, which triggers
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// the DetectShutdownThread(), which interrupts the main thread group.
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// DetectShutdownThread() then exits, which causes AppInit() to
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// continue (it .joins the shutdown thread).
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// Shutdown() is then
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// called to clean up database connections, and stop other
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// threads that should only be stopped after the main network-processing
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// threads have exited.
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//
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// Note that if running -daemon the parent process returns from AppInit2
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// before adding any threads to the threadGroup, so .join_all() returns
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// immediately and the parent exits from main().
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//
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// Shutdown for Qt is very similar, only it uses a QTimer to detect
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// fRequestShutdown getting set, and then does the normal Qt
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// shutdown thing.
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//
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std::atomic<bool> fRequestShutdown(false);
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std::atomic<bool> fDumpMempoolLater(false);
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void StartShutdown()
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{
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fRequestShutdown = true;
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}
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bool ShutdownRequested()
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{
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return fRequestShutdown;
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}
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/**
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* This is a minimally invasive approach to shutdown on LevelDB read errors from the
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* chainstate, while keeping user interface out of the common library, which is shared
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* between bitcoind, and bitcoin-qt and non-server tools.
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*/
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class CCoinsViewErrorCatcher : public CCoinsViewBacked
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{
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public:
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CCoinsViewErrorCatcher(CCoinsView* view) : CCoinsViewBacked(view) {}
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bool GetCoins(const uint256 &txid, CCoins &coins) const {
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try {
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return CCoinsViewBacked::GetCoins(txid, coins);
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} catch(const std::runtime_error& e) {
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uiInterface.ThreadSafeMessageBox(_("Error reading from database, shutting down."), "", CClientUIInterface::MSG_ERROR);
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LogPrintf("Error reading from database: %s\n", e.what());
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// Starting the shutdown sequence and returning false to the caller would be
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// interpreted as 'entry not found' (as opposed to unable to read data), and
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// could lead to invalid interpretation. Just exit immediately, as we can't
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// continue anyway, and all writes should be atomic.
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abort();
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}
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}
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// Writes do not need similar protection, as failure to write is handled by the caller.
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};
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static CCoinsViewDB *pcoinsdbview = NULL;
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static CCoinsViewErrorCatcher *pcoinscatcher = NULL;
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static std::unique_ptr<ECCVerifyHandle> globalVerifyHandle;
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void Interrupt(boost::thread_group& threadGroup)
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{
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InterruptHTTPServer();
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InterruptHTTPRPC();
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InterruptRPC();
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InterruptREST();
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InterruptTorControl();
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if (g_connman)
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g_connman->Interrupt();
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threadGroup.interrupt_all();
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}
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void Shutdown()
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{
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LogPrintf("%s: In progress...\n", __func__);
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static CCriticalSection cs_Shutdown;
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TRY_LOCK(cs_Shutdown, lockShutdown);
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if (!lockShutdown)
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return;
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/// Note: Shutdown() must be able to handle cases in which AppInit2() failed part of the way,
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/// for example if the data directory was found to be locked.
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/// Be sure that anything that writes files or flushes caches only does this if the respective
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/// module was initialized.
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RenameThread("bitcoin-shutoff");
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mempool.AddTransactionsUpdated(1);
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StopHTTPRPC();
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StopREST();
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StopRPC();
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StopHTTPServer();
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#ifdef ENABLE_WALLET
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if (pwalletMain)
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pwalletMain->Flush(false);
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#endif
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MapPort(false);
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UnregisterValidationInterface(peerLogic.get());
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peerLogic.reset();
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g_connman.reset();
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StopTorControl();
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UnregisterNodeSignals(GetNodeSignals());
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if (fDumpMempoolLater)
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DumpMempool();
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if (fFeeEstimatesInitialized)
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{
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boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
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CAutoFile est_fileout(fopen(est_path.string().c_str(), "wb"), SER_DISK, CLIENT_VERSION);
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if (!est_fileout.IsNull())
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mempool.WriteFeeEstimates(est_fileout);
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else
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LogPrintf("%s: Failed to write fee estimates to %s\n", __func__, est_path.string());
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fFeeEstimatesInitialized = false;
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}
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{
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LOCK(cs_main);
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if (pcoinsTip != NULL) {
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FlushStateToDisk();
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}
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delete pcoinsTip;
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pcoinsTip = NULL;
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delete pcoinscatcher;
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pcoinscatcher = NULL;
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delete pcoinsdbview;
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pcoinsdbview = NULL;
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delete pblocktree;
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pblocktree = NULL;
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}
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#ifdef ENABLE_WALLET
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if (pwalletMain)
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pwalletMain->Flush(true);
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#endif
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#if ENABLE_ZMQ
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if (pzmqNotificationInterface) {
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UnregisterValidationInterface(pzmqNotificationInterface);
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delete pzmqNotificationInterface;
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pzmqNotificationInterface = NULL;
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}
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#endif
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#ifndef WIN32
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try {
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boost::filesystem::remove(GetPidFile());
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} catch (const boost::filesystem::filesystem_error& e) {
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LogPrintf("%s: Unable to remove pidfile: %s\n", __func__, e.what());
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}
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#endif
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UnregisterAllValidationInterfaces();
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#ifdef ENABLE_WALLET
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delete pwalletMain;
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pwalletMain = NULL;
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#endif
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globalVerifyHandle.reset();
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ECC_Stop();
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LogPrintf("%s: done\n", __func__);
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}
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/**
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* Signal handlers are very limited in what they are allowed to do, so:
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*/
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void HandleSIGTERM(int)
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{
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fRequestShutdown = true;
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}
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void HandleSIGHUP(int)
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{
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fReopenDebugLog = true;
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}
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bool static Bind(CConnman& connman, const CService &addr, unsigned int flags) {
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if (!(flags & BF_EXPLICIT) && IsLimited(addr))
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return false;
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std::string strError;
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if (!connman.BindListenPort(addr, strError, (flags & BF_WHITELIST) != 0)) {
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if (flags & BF_REPORT_ERROR)
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return InitError(strError);
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return false;
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}
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return true;
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}
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void OnRPCStarted()
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{
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uiInterface.NotifyBlockTip.connect(&RPCNotifyBlockChange);
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}
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void OnRPCStopped()
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{
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uiInterface.NotifyBlockTip.disconnect(&RPCNotifyBlockChange);
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RPCNotifyBlockChange(false, nullptr);
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cvBlockChange.notify_all();
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LogPrint("rpc", "RPC stopped.\n");
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}
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void OnRPCPreCommand(const CRPCCommand& cmd)
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{
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// Observe safe mode
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std::string strWarning = GetWarnings("rpc");
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if (strWarning != "" && !GetBoolArg("-disablesafemode", DEFAULT_DISABLE_SAFEMODE) &&
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!cmd.okSafeMode)
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throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, std::string("Safe mode: ") + strWarning);
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}
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std::string HelpMessage(HelpMessageMode mode)
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{
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const bool showDebug = GetBoolArg("-help-debug", false);
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// When adding new options to the categories, please keep and ensure alphabetical ordering.
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// Do not translate _(...) -help-debug options, Many technical terms, and only a very small audience, so is unnecessary stress to translators.
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std::string strUsage = HelpMessageGroup(_("Options:"));
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strUsage += HelpMessageOpt("-?", _("Print this help message and exit"));
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strUsage += HelpMessageOpt("-version", _("Print version and exit"));
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strUsage += HelpMessageOpt("-alertnotify=<cmd>", _("Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message)"));
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strUsage += HelpMessageOpt("-blocknotify=<cmd>", _("Execute command when the best block changes (%s in cmd is replaced by block hash)"));
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if (showDebug)
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strUsage += HelpMessageOpt("-blocksonly", strprintf(_("Whether to operate in a blocks only mode (default: %u)"), DEFAULT_BLOCKSONLY));
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strUsage +=HelpMessageOpt("-assumevalid=<hex>", strprintf(_("If this block is in the chain assume that it and its ancestors are valid and potentially skip their script verification (0 to verify all, default: %s, testnet: %s)"), Params(CBaseChainParams::MAIN).GetConsensus().defaultAssumeValid.GetHex(), Params(CBaseChainParams::TESTNET).GetConsensus().defaultAssumeValid.GetHex()));
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strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), BITCOIN_CONF_FILENAME));
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if (mode == HMM_BITCOIND)
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{
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#if HAVE_DECL_DAEMON
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strUsage += HelpMessageOpt("-daemon", _("Run in the background as a daemon and accept commands"));
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#endif
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}
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strUsage += HelpMessageOpt("-datadir=<dir>", _("Specify data directory"));
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strUsage += HelpMessageOpt("-dbcache=<n>", strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache, nMaxDbCache, nDefaultDbCache));
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if (showDebug)
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strUsage += HelpMessageOpt("-feefilter", strprintf("Tell other nodes to filter invs to us by our mempool min fee (default: %u)", DEFAULT_FEEFILTER));
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strUsage += HelpMessageOpt("-loadblock=<file>", _("Imports blocks from external blk000??.dat file on startup"));
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strUsage += HelpMessageOpt("-maxorphantx=<n>", strprintf(_("Keep at most <n> unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS));
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strUsage += HelpMessageOpt("-maxmempool=<n>", strprintf(_("Keep the transaction memory pool below <n> megabytes (default: %u)"), DEFAULT_MAX_MEMPOOL_SIZE));
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strUsage += HelpMessageOpt("-mempoolexpiry=<n>", strprintf(_("Do not keep transactions in the mempool longer than <n> hours (default: %u)"), DEFAULT_MEMPOOL_EXPIRY));
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strUsage += HelpMessageOpt("-blockreconstructionextratxn=<n>", strprintf(_("Extra transactions to keep in memory for compact block reconstructions (default: %u)"), DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN));
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strUsage += HelpMessageOpt("-par=<n>", strprintf(_("Set the number of script verification threads (%u to %d, 0 = auto, <0 = leave that many cores free, default: %d)"),
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-GetNumCores(), MAX_SCRIPTCHECK_THREADS, DEFAULT_SCRIPTCHECK_THREADS));
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#ifndef WIN32
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strUsage += HelpMessageOpt("-pid=<file>", strprintf(_("Specify pid file (default: %s)"), BITCOIN_PID_FILENAME));
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#endif
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strUsage += HelpMessageOpt("-prune=<n>", strprintf(_("Reduce storage requirements by enabling pruning (deleting) of old blocks. This allows the pruneblockchain RPC to be called to delete specific blocks, and enables automatic pruning of old blocks if a target size in MiB is provided. This mode is incompatible with -txindex and -rescan. "
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"Warning: Reverting this setting requires re-downloading the entire blockchain. "
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"(default: 0 = disable pruning blocks, 1 = allow manual pruning via RPC, >%u = automatically prune block files to stay under the specified target size in MiB)"), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
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strUsage += HelpMessageOpt("-reindex-chainstate", _("Rebuild chain state from the currently indexed blocks"));
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strUsage += HelpMessageOpt("-reindex", _("Rebuild chain state and block index from the blk*.dat files on disk"));
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#ifndef WIN32
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strUsage += HelpMessageOpt("-sysperms", _("Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)"));
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#endif
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strUsage += HelpMessageOpt("-txindex", strprintf(_("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)"), DEFAULT_TXINDEX));
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strUsage += HelpMessageGroup(_("Connection options:"));
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strUsage += HelpMessageOpt("-addnode=<ip>", _("Add a node to connect to and attempt to keep the connection open"));
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strUsage += HelpMessageOpt("-banscore=<n>", strprintf(_("Threshold for disconnecting misbehaving peers (default: %u)"), DEFAULT_BANSCORE_THRESHOLD));
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strUsage += HelpMessageOpt("-bantime=<n>", strprintf(_("Number of seconds to keep misbehaving peers from reconnecting (default: %u)"), DEFAULT_MISBEHAVING_BANTIME));
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strUsage += HelpMessageOpt("-bind=<addr>", _("Bind to given address and always listen on it. Use [host]:port notation for IPv6"));
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strUsage += HelpMessageOpt("-connect=<ip>", _("Connect only to the specified node(s); -noconnect or -connect=0 alone to disable automatic connections"));
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strUsage += HelpMessageOpt("-discover", _("Discover own IP addresses (default: 1 when listening and no -externalip or -proxy)"));
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strUsage += HelpMessageOpt("-dns", _("Allow DNS lookups for -addnode, -seednode and -connect") + " " + strprintf(_("(default: %u)"), DEFAULT_NAME_LOOKUP));
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strUsage += HelpMessageOpt("-dnsseed", _("Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect/-noconnect)"));
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strUsage += HelpMessageOpt("-externalip=<ip>", _("Specify your own public address"));
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strUsage += HelpMessageOpt("-forcednsseed", strprintf(_("Always query for peer addresses via DNS lookup (default: %u)"), DEFAULT_FORCEDNSSEED));
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strUsage += HelpMessageOpt("-listen", _("Accept connections from outside (default: 1 if no -proxy or -connect/-noconnect)"));
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strUsage += HelpMessageOpt("-listenonion", strprintf(_("Automatically create Tor hidden service (default: %d)"), DEFAULT_LISTEN_ONION));
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strUsage += HelpMessageOpt("-maxconnections=<n>", strprintf(_("Maintain at most <n> connections to peers (default: %u)"), DEFAULT_MAX_PEER_CONNECTIONS));
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strUsage += HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXRECEIVEBUFFER));
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strUsage += HelpMessageOpt("-maxsendbuffer=<n>", strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXSENDBUFFER));
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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));
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strUsage += HelpMessageOpt("-onion=<ip:port>", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy"));
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strUsage += HelpMessageOpt("-onlynet=<net>", _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)"));
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strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), DEFAULT_PERMIT_BAREMULTISIG));
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strUsage += HelpMessageOpt("-peerbloomfilters", strprintf(_("Support filtering of blocks and transaction with bloom filters (default: %u)"), DEFAULT_PEERBLOOMFILTERS));
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strUsage += HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), Params(CBaseChainParams::MAIN).GetDefaultPort(), Params(CBaseChainParams::TESTNET).GetDefaultPort()));
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strUsage += HelpMessageOpt("-proxy=<ip:port>", _("Connect through SOCKS5 proxy"));
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strUsage += HelpMessageOpt("-proxyrandomize", strprintf(_("Randomize credentials for every proxy connection. This enables Tor stream isolation (default: %u)"), DEFAULT_PROXYRANDOMIZE));
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strUsage += HelpMessageOpt("-rpcserialversion", strprintf(_("Sets the serialization of raw transaction or block hex returned in non-verbose mode, non-segwit(0) or segwit(1) (default: %d)"), DEFAULT_RPC_SERIALIZE_VERSION));
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strUsage += HelpMessageOpt("-seednode=<ip>", _("Connect to a node to retrieve peer addresses, and disconnect"));
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strUsage += HelpMessageOpt("-timeout=<n>", strprintf(_("Specify connection timeout in milliseconds (minimum: 1, default: %d)"), DEFAULT_CONNECT_TIMEOUT));
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strUsage += HelpMessageOpt("-torcontrol=<ip>:<port>", strprintf(_("Tor control port to use if onion listening enabled (default: %s)"), DEFAULT_TOR_CONTROL));
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strUsage += HelpMessageOpt("-torpassword=<pass>", _("Tor control port password (default: empty)"));
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#ifdef USE_UPNP
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#if USE_UPNP
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strUsage += HelpMessageOpt("-upnp", _("Use UPnP to map the listening port (default: 1 when listening and no -proxy)"));
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#else
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strUsage += HelpMessageOpt("-upnp", strprintf(_("Use UPnP to map the listening port (default: %u)"), 0));
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#endif
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#endif
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strUsage += HelpMessageOpt("-whitebind=<addr>", _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6"));
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strUsage += HelpMessageOpt("-whitelist=<IP address or network>", _("Whitelist peers connecting from the given IP address (e.g. 1.2.3.4) or CIDR notated network (e.g. 1.2.3.0/24). Can be specified multiple times.") +
|
|
" " + _("Whitelisted peers cannot be DoS banned and their transactions are always relayed, even if they are already in the mempool, useful e.g. for a gateway"));
|
|
strUsage += HelpMessageOpt("-whitelistrelay", strprintf(_("Accept relayed transactions received from whitelisted peers even when not relaying transactions (default: %d)"), DEFAULT_WHITELISTRELAY));
|
|
strUsage += HelpMessageOpt("-whitelistforcerelay", strprintf(_("Force relay of transactions from whitelisted peers even if they violate local relay policy (default: %d)"), DEFAULT_WHITELISTFORCERELAY));
|
|
strUsage += HelpMessageOpt("-maxuploadtarget=<n>", strprintf(_("Tries to keep outbound traffic under the given target (in MiB per 24h), 0 = no limit (default: %d)"), DEFAULT_MAX_UPLOAD_TARGET));
|
|
|
|
#ifdef ENABLE_WALLET
|
|
strUsage += CWallet::GetWalletHelpString(showDebug);
|
|
#endif
|
|
|
|
#if ENABLE_ZMQ
|
|
strUsage += HelpMessageGroup(_("ZeroMQ notification options:"));
|
|
strUsage += HelpMessageOpt("-zmqpubhashblock=<address>", _("Enable publish hash block in <address>"));
|
|
strUsage += HelpMessageOpt("-zmqpubhashtx=<address>", _("Enable publish hash transaction in <address>"));
|
|
strUsage += HelpMessageOpt("-zmqpubrawblock=<address>", _("Enable publish raw block in <address>"));
|
|
strUsage += HelpMessageOpt("-zmqpubrawtx=<address>", _("Enable publish raw transaction in <address>"));
|
|
#endif
|
|
|
|
strUsage += HelpMessageGroup(_("Debugging/Testing options:"));
|
|
strUsage += HelpMessageOpt("-uacomment=<cmt>", _("Append comment to the user agent string"));
|
|
if (showDebug)
|
|
{
|
|
strUsage += HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), DEFAULT_CHECKBLOCKS));
|
|
strUsage += HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), DEFAULT_CHECKLEVEL));
|
|
strUsage += HelpMessageOpt("-checkblockindex", strprintf("Do a full consistency check for mapBlockIndex, setBlockIndexCandidates, chainActive and mapBlocksUnlinked occasionally. Also sets -checkmempool (default: %u)", Params(CBaseChainParams::MAIN).DefaultConsistencyChecks()));
|
|
strUsage += HelpMessageOpt("-checkmempool=<n>", strprintf("Run checks every <n> transactions (default: %u)", Params(CBaseChainParams::MAIN).DefaultConsistencyChecks()));
|
|
strUsage += HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", DEFAULT_CHECKPOINTS_ENABLED));
|
|
strUsage += HelpMessageOpt("-disablesafemode", strprintf("Disable safemode, override a real safe mode event (default: %u)", DEFAULT_DISABLE_SAFEMODE));
|
|
strUsage += HelpMessageOpt("-testsafemode", strprintf("Force safe mode (default: %u)", DEFAULT_TESTSAFEMODE));
|
|
strUsage += HelpMessageOpt("-dropmessagestest=<n>", "Randomly drop 1 of every <n> network messages");
|
|
strUsage += HelpMessageOpt("-fuzzmessagestest=<n>", "Randomly fuzz 1 of every <n> network messages");
|
|
strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", DEFAULT_STOPAFTERBLOCKIMPORT));
|
|
strUsage += HelpMessageOpt("-limitancestorcount=<n>", strprintf("Do not accept transactions if number of in-mempool ancestors is <n> or more (default: %u)", DEFAULT_ANCESTOR_LIMIT));
|
|
strUsage += HelpMessageOpt("-limitancestorsize=<n>", strprintf("Do not accept transactions whose size with all in-mempool ancestors exceeds <n> kilobytes (default: %u)", DEFAULT_ANCESTOR_SIZE_LIMIT));
|
|
strUsage += HelpMessageOpt("-limitdescendantcount=<n>", strprintf("Do not accept transactions if any ancestor would have <n> or more in-mempool descendants (default: %u)", DEFAULT_DESCENDANT_LIMIT));
|
|
strUsage += HelpMessageOpt("-limitdescendantsize=<n>", strprintf("Do not accept transactions if any ancestor would have more than <n> kilobytes of in-mempool descendants (default: %u).", DEFAULT_DESCENDANT_SIZE_LIMIT));
|
|
strUsage += HelpMessageOpt("-bip9params=deployment:start:end", "Use given start/end times for specified BIP9 deployment (regtest-only)");
|
|
}
|
|
std::string debugCategories = "addrman, alert, bench, cmpctblock, coindb, db, http, libevent, lock, mempool, mempoolrej, net, proxy, prune, rand, reindex, rpc, selectcoins, tor, zmq"; // Don't translate these and qt below
|
|
if (mode == HMM_BITCOIN_QT)
|
|
debugCategories += ", qt";
|
|
strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " +
|
|
_("If <category> is not supplied or if <category> = 1, output all debugging information.") + _("<category> can be:") + " " + debugCategories + ".");
|
|
if (showDebug)
|
|
strUsage += HelpMessageOpt("-nodebug", "Turn off debugging messages, same as -debug=0");
|
|
strUsage += HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)"));
|
|
strUsage += HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), DEFAULT_LOGIPS));
|
|
strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), DEFAULT_LOGTIMESTAMPS));
|
|
if (showDebug)
|
|
{
|
|
strUsage += HelpMessageOpt("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS));
|
|
strUsage += HelpMessageOpt("-mocktime=<n>", "Replace actual time with <n> seconds since epoch (default: 0)");
|
|
strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default: %u)", DEFAULT_LIMITFREERELAY));
|
|
strUsage += HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", DEFAULT_RELAYPRIORITY));
|
|
strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> MiB (default: %u)", DEFAULT_MAX_SIG_CACHE_SIZE));
|
|
strUsage += HelpMessageOpt("-maxtipage=<n>", strprintf("Maximum tip age in seconds to consider node in initial block download (default: %u)", DEFAULT_MAX_TIP_AGE));
|
|
}
|
|
strUsage += HelpMessageOpt("-minrelaytxfee=<amt>", strprintf(_("Fees (in %s/kB) smaller than this are considered zero fee for relaying, mining and transaction creation (default: %s)"),
|
|
CURRENCY_UNIT, FormatMoney(DEFAULT_MIN_RELAY_TX_FEE)));
|
|
strUsage += HelpMessageOpt("-maxtxfee=<amt>", strprintf(_("Maximum total fees (in %s) to use in a single wallet transaction or raw transaction; setting this too low may abort large transactions (default: %s)"),
|
|
CURRENCY_UNIT, FormatMoney(DEFAULT_TRANSACTION_MAXFEE)));
|
|
strUsage += HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file"));
|
|
if (showDebug)
|
|
{
|
|
strUsage += HelpMessageOpt("-printpriority", strprintf("Log transaction priority and fee per kB when mining blocks (default: %u)", DEFAULT_PRINTPRIORITY));
|
|
}
|
|
strUsage += HelpMessageOpt("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)"));
|
|
|
|
AppendParamsHelpMessages(strUsage, showDebug);
|
|
|
|
strUsage += HelpMessageGroup(_("Node relay options:"));
|
|
if (showDebug) {
|
|
strUsage += HelpMessageOpt("-acceptnonstdtxn", strprintf("Relay and mine \"non-standard\" transactions (%sdefault: %u)", "testnet/regtest only; ", !Params(CBaseChainParams::TESTNET).RequireStandard()));
|
|
strUsage += HelpMessageOpt("-incrementalrelayfee=<amt>", strprintf("Fee rate (in %s/kB) used to define cost of relay, used for mempool limiting and BIP 125 replacement. (default: %s)", CURRENCY_UNIT, FormatMoney(DEFAULT_INCREMENTAL_RELAY_FEE)));
|
|
strUsage += HelpMessageOpt("-dustrelayfee=<amt>", strprintf("Fee rate (in %s/kB) used to defined dust, the value of an output such that it will cost about 1/3 of its value in fees at this fee rate to spend it. (default: %s)", CURRENCY_UNIT, FormatMoney(DUST_RELAY_TX_FEE)));
|
|
}
|
|
strUsage += HelpMessageOpt("-bytespersigop", strprintf(_("Equivalent bytes per sigop in transactions for relay and mining (default: %u)"), DEFAULT_BYTES_PER_SIGOP));
|
|
strUsage += HelpMessageOpt("-datacarrier", strprintf(_("Relay and mine data carrier transactions (default: %u)"), DEFAULT_ACCEPT_DATACARRIER));
|
|
strUsage += HelpMessageOpt("-datacarriersize", strprintf(_("Maximum size of data in data carrier transactions we relay and mine (default: %u)"), MAX_OP_RETURN_RELAY));
|
|
strUsage += HelpMessageOpt("-mempoolreplacement", strprintf(_("Enable transaction replacement in the memory pool (default: %u)"), DEFAULT_ENABLE_REPLACEMENT));
|
|
|
|
strUsage += HelpMessageGroup(_("Block creation options:"));
|
|
strUsage += HelpMessageOpt("-blockmaxweight=<n>", strprintf(_("Set maximum BIP141 block weight (default: %d)"), DEFAULT_BLOCK_MAX_WEIGHT));
|
|
strUsage += HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE));
|
|
strUsage += HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE));
|
|
strUsage += HelpMessageOpt("-blockmintxfee=<amt>", strprintf(_("Set lowest fee rate (in %s/kB) for transactions to be included in block creation. (default: %s)"), CURRENCY_UNIT, FormatMoney(DEFAULT_BLOCK_MIN_TX_FEE)));
|
|
if (showDebug)
|
|
strUsage += HelpMessageOpt("-blockversion=<n>", "Override block version to test forking scenarios");
|
|
|
|
strUsage += HelpMessageGroup(_("RPC server options:"));
|
|
strUsage += HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands"));
|
|
strUsage += HelpMessageOpt("-rest", strprintf(_("Accept public REST requests (default: %u)"), DEFAULT_REST_ENABLE));
|
|
strUsage += HelpMessageOpt("-rpcbind=<addr>", _("Bind to given address to listen for JSON-RPC connections. Use [host]:port notation for IPv6. This option can be specified multiple times (default: bind to all interfaces)"));
|
|
strUsage += HelpMessageOpt("-rpccookiefile=<loc>", _("Location of the auth cookie (default: data dir)"));
|
|
strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections"));
|
|
strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections"));
|
|
strUsage += HelpMessageOpt("-rpcauth=<userpw>", _("Username and hashed password for JSON-RPC connections. The field <userpw> comes in the format: <USERNAME>:<SALT>$<HASH>. A canonical python script is included in share/rpcuser. The client then connects normally using the rpcuser=<USERNAME>/rpcpassword=<PASSWORD> pair of arguments. This option can be specified multiple times"));
|
|
strUsage += HelpMessageOpt("-rpcport=<port>", strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), BaseParams(CBaseChainParams::MAIN).RPCPort(), BaseParams(CBaseChainParams::TESTNET).RPCPort()));
|
|
strUsage += HelpMessageOpt("-rpcallowip=<ip>", _("Allow JSON-RPC connections from specified source. Valid for <ip> are a single IP (e.g. 1.2.3.4), a network/netmask (e.g. 1.2.3.4/255.255.255.0) or a network/CIDR (e.g. 1.2.3.4/24). This option can be specified multiple times"));
|
|
strUsage += HelpMessageOpt("-rpcthreads=<n>", strprintf(_("Set the number of threads to service RPC calls (default: %d)"), DEFAULT_HTTP_THREADS));
|
|
if (showDebug) {
|
|
strUsage += HelpMessageOpt("-rpcworkqueue=<n>", strprintf("Set the depth of the work queue to service RPC calls (default: %d)", DEFAULT_HTTP_WORKQUEUE));
|
|
strUsage += HelpMessageOpt("-rpcservertimeout=<n>", strprintf("Timeout during HTTP requests (default: %d)", DEFAULT_HTTP_SERVER_TIMEOUT));
|
|
}
|
|
|
|
return strUsage;
|
|
}
|
|
|
|
std::string LicenseInfo()
|
|
{
|
|
const std::string URL_SOURCE_CODE = "<https://github.com/bitcoin/bitcoin>";
|
|
const std::string URL_WEBSITE = "<https://bitcoincore.org>";
|
|
|
|
return CopyrightHolders(strprintf(_("Copyright (C) %i-%i"), 2009, COPYRIGHT_YEAR) + " ") + "\n" +
|
|
"\n" +
|
|
strprintf(_("Please contribute if you find %s useful. "
|
|
"Visit %s for further information about the software."),
|
|
PACKAGE_NAME, URL_WEBSITE) +
|
|
"\n" +
|
|
strprintf(_("The source code is available from %s."),
|
|
URL_SOURCE_CODE) +
|
|
"\n" +
|
|
"\n" +
|
|
_("This is experimental software.") + "\n" +
|
|
strprintf(_("Distributed under the MIT software license, see the accompanying file %s or %s"), "COPYING", "<https://opensource.org/licenses/MIT>") + "\n" +
|
|
"\n" +
|
|
strprintf(_("This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit %s and cryptographic software written by Eric Young and UPnP software written by Thomas Bernard."), "<https://www.openssl.org>") +
|
|
"\n";
|
|
}
|
|
|
|
static void BlockNotifyCallback(bool initialSync, const CBlockIndex *pBlockIndex)
|
|
{
|
|
if (initialSync || !pBlockIndex)
|
|
return;
|
|
|
|
std::string strCmd = GetArg("-blocknotify", "");
|
|
|
|
boost::replace_all(strCmd, "%s", pBlockIndex->GetBlockHash().GetHex());
|
|
boost::thread t(runCommand, strCmd); // thread runs free
|
|
}
|
|
|
|
static bool fHaveGenesis = false;
|
|
static boost::mutex cs_GenesisWait;
|
|
static CConditionVariable condvar_GenesisWait;
|
|
|
|
static void BlockNotifyGenesisWait(bool, const CBlockIndex *pBlockIndex)
|
|
{
|
|
if (pBlockIndex != NULL) {
|
|
{
|
|
boost::unique_lock<boost::mutex> lock_GenesisWait(cs_GenesisWait);
|
|
fHaveGenesis = true;
|
|
}
|
|
condvar_GenesisWait.notify_all();
|
|
}
|
|
}
|
|
|
|
struct CImportingNow
|
|
{
|
|
CImportingNow() {
|
|
assert(fImporting == false);
|
|
fImporting = true;
|
|
}
|
|
|
|
~CImportingNow() {
|
|
assert(fImporting == true);
|
|
fImporting = false;
|
|
}
|
|
};
|
|
|
|
|
|
// If we're using -prune with -reindex, then delete block files that will be ignored by the
|
|
// reindex. Since reindexing works by starting at block file 0 and looping until a blockfile
|
|
// is missing, do the same here to delete any later block files after a gap. Also delete all
|
|
// rev files since they'll be rewritten by the reindex anyway. This ensures that vinfoBlockFile
|
|
// is in sync with what's actually on disk by the time we start downloading, so that pruning
|
|
// works correctly.
|
|
void CleanupBlockRevFiles()
|
|
{
|
|
std::map<std::string, boost::filesystem::path> mapBlockFiles;
|
|
|
|
// Glob all blk?????.dat and rev?????.dat files from the blocks directory.
|
|
// Remove the rev files immediately and insert the blk file paths into an
|
|
// ordered map keyed by block file index.
|
|
LogPrintf("Removing unusable blk?????.dat and rev?????.dat files for -reindex with -prune\n");
|
|
boost::filesystem::path blocksdir = GetDataDir() / "blocks";
|
|
for (boost::filesystem::directory_iterator it(blocksdir); it != boost::filesystem::directory_iterator(); it++) {
|
|
if (is_regular_file(*it) &&
|
|
it->path().filename().string().length() == 12 &&
|
|
it->path().filename().string().substr(8,4) == ".dat")
|
|
{
|
|
if (it->path().filename().string().substr(0,3) == "blk")
|
|
mapBlockFiles[it->path().filename().string().substr(3,5)] = it->path();
|
|
else if (it->path().filename().string().substr(0,3) == "rev")
|
|
remove(it->path());
|
|
}
|
|
}
|
|
|
|
// Remove all block files that aren't part of a contiguous set starting at
|
|
// zero by walking the ordered map (keys are block file indices) by
|
|
// keeping a separate counter. Once we hit a gap (or if 0 doesn't exist)
|
|
// start removing block files.
|
|
int nContigCounter = 0;
|
|
BOOST_FOREACH(const PAIRTYPE(std::string, boost::filesystem::path)& item, mapBlockFiles) {
|
|
if (atoi(item.first) == nContigCounter) {
|
|
nContigCounter++;
|
|
continue;
|
|
}
|
|
remove(item.second);
|
|
}
|
|
}
|
|
|
|
void ThreadImport(std::vector<boost::filesystem::path> vImportFiles)
|
|
{
|
|
const CChainParams& chainparams = Params();
|
|
RenameThread("bitcoin-loadblk");
|
|
|
|
{
|
|
CImportingNow imp;
|
|
|
|
// -reindex
|
|
if (fReindex) {
|
|
int nFile = 0;
|
|
while (true) {
|
|
CDiskBlockPos pos(nFile, 0);
|
|
if (!boost::filesystem::exists(GetBlockPosFilename(pos, "blk")))
|
|
break; // No block files left to reindex
|
|
FILE *file = OpenBlockFile(pos, true);
|
|
if (!file)
|
|
break; // This error is logged in OpenBlockFile
|
|
LogPrintf("Reindexing block file blk%05u.dat...\n", (unsigned int)nFile);
|
|
LoadExternalBlockFile(chainparams, file, &pos);
|
|
nFile++;
|
|
}
|
|
pblocktree->WriteReindexing(false);
|
|
fReindex = false;
|
|
LogPrintf("Reindexing finished\n");
|
|
// To avoid ending up in a situation without genesis block, re-try initializing (no-op if reindexing worked):
|
|
InitBlockIndex(chainparams);
|
|
}
|
|
|
|
// hardcoded $DATADIR/bootstrap.dat
|
|
boost::filesystem::path pathBootstrap = GetDataDir() / "bootstrap.dat";
|
|
if (boost::filesystem::exists(pathBootstrap)) {
|
|
FILE *file = fopen(pathBootstrap.string().c_str(), "rb");
|
|
if (file) {
|
|
boost::filesystem::path pathBootstrapOld = GetDataDir() / "bootstrap.dat.old";
|
|
LogPrintf("Importing bootstrap.dat...\n");
|
|
LoadExternalBlockFile(chainparams, file);
|
|
RenameOver(pathBootstrap, pathBootstrapOld);
|
|
} else {
|
|
LogPrintf("Warning: Could not open bootstrap file %s\n", pathBootstrap.string());
|
|
}
|
|
}
|
|
|
|
// -loadblock=
|
|
BOOST_FOREACH(const boost::filesystem::path& path, vImportFiles) {
|
|
FILE *file = fopen(path.string().c_str(), "rb");
|
|
if (file) {
|
|
LogPrintf("Importing blocks file %s...\n", path.string());
|
|
LoadExternalBlockFile(chainparams, file);
|
|
} else {
|
|
LogPrintf("Warning: Could not open blocks file %s\n", path.string());
|
|
}
|
|
}
|
|
|
|
// scan for better chains in the block chain database, that are not yet connected in the active best chain
|
|
CValidationState state;
|
|
if (!ActivateBestChain(state, chainparams)) {
|
|
LogPrintf("Failed to connect best block");
|
|
StartShutdown();
|
|
}
|
|
|
|
if (GetBoolArg("-stopafterblockimport", DEFAULT_STOPAFTERBLOCKIMPORT)) {
|
|
LogPrintf("Stopping after block import\n");
|
|
StartShutdown();
|
|
}
|
|
} // End scope of CImportingNow
|
|
LoadMempool();
|
|
fDumpMempoolLater = !fRequestShutdown;
|
|
}
|
|
|
|
/** Sanity checks
|
|
* Ensure that Bitcoin is running in a usable environment with all
|
|
* necessary library support.
|
|
*/
|
|
bool InitSanityCheck(void)
|
|
{
|
|
if(!ECC_InitSanityCheck()) {
|
|
InitError("Elliptic curve cryptography sanity check failure. Aborting.");
|
|
return false;
|
|
}
|
|
if (!glibc_sanity_test() || !glibcxx_sanity_test())
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool AppInitServers(boost::thread_group& threadGroup)
|
|
{
|
|
RPCServer::OnStarted(&OnRPCStarted);
|
|
RPCServer::OnStopped(&OnRPCStopped);
|
|
RPCServer::OnPreCommand(&OnRPCPreCommand);
|
|
if (!InitHTTPServer())
|
|
return false;
|
|
if (!StartRPC())
|
|
return false;
|
|
if (!StartHTTPRPC())
|
|
return false;
|
|
if (GetBoolArg("-rest", DEFAULT_REST_ENABLE) && !StartREST())
|
|
return false;
|
|
if (!StartHTTPServer())
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
// Parameter interaction based on rules
|
|
void InitParameterInteraction()
|
|
{
|
|
// when specifying an explicit binding address, you want to listen on it
|
|
// even when -connect or -proxy is specified
|
|
if (IsArgSet("-bind")) {
|
|
if (SoftSetBoolArg("-listen", true))
|
|
LogPrintf("%s: parameter interaction: -bind set -> setting -listen=1\n", __func__);
|
|
}
|
|
if (IsArgSet("-whitebind")) {
|
|
if (SoftSetBoolArg("-listen", true))
|
|
LogPrintf("%s: parameter interaction: -whitebind set -> setting -listen=1\n", __func__);
|
|
}
|
|
|
|
if (mapMultiArgs.count("-connect") && mapMultiArgs.at("-connect").size() > 0) {
|
|
// when only connecting to trusted nodes, do not seed via DNS, or listen by default
|
|
if (SoftSetBoolArg("-dnsseed", false))
|
|
LogPrintf("%s: parameter interaction: -connect set -> setting -dnsseed=0\n", __func__);
|
|
if (SoftSetBoolArg("-listen", false))
|
|
LogPrintf("%s: parameter interaction: -connect set -> setting -listen=0\n", __func__);
|
|
}
|
|
|
|
if (IsArgSet("-proxy")) {
|
|
// to protect privacy, do not listen by default if a default proxy server is specified
|
|
if (SoftSetBoolArg("-listen", false))
|
|
LogPrintf("%s: parameter interaction: -proxy set -> setting -listen=0\n", __func__);
|
|
// to protect privacy, do not use UPNP when a proxy is set. The user may still specify -listen=1
|
|
// to listen locally, so don't rely on this happening through -listen below.
|
|
if (SoftSetBoolArg("-upnp", false))
|
|
LogPrintf("%s: parameter interaction: -proxy set -> setting -upnp=0\n", __func__);
|
|
// to protect privacy, do not discover addresses by default
|
|
if (SoftSetBoolArg("-discover", false))
|
|
LogPrintf("%s: parameter interaction: -proxy set -> setting -discover=0\n", __func__);
|
|
}
|
|
|
|
if (!GetBoolArg("-listen", DEFAULT_LISTEN)) {
|
|
// do not map ports or try to retrieve public IP when not listening (pointless)
|
|
if (SoftSetBoolArg("-upnp", false))
|
|
LogPrintf("%s: parameter interaction: -listen=0 -> setting -upnp=0\n", __func__);
|
|
if (SoftSetBoolArg("-discover", false))
|
|
LogPrintf("%s: parameter interaction: -listen=0 -> setting -discover=0\n", __func__);
|
|
if (SoftSetBoolArg("-listenonion", false))
|
|
LogPrintf("%s: parameter interaction: -listen=0 -> setting -listenonion=0\n", __func__);
|
|
}
|
|
|
|
if (IsArgSet("-externalip")) {
|
|
// if an explicit public IP is specified, do not try to find others
|
|
if (SoftSetBoolArg("-discover", false))
|
|
LogPrintf("%s: parameter interaction: -externalip set -> setting -discover=0\n", __func__);
|
|
}
|
|
|
|
// disable whitelistrelay in blocksonly mode
|
|
if (GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY)) {
|
|
if (SoftSetBoolArg("-whitelistrelay", false))
|
|
LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -whitelistrelay=0\n", __func__);
|
|
}
|
|
|
|
// Forcing relay from whitelisted hosts implies we will accept relays from them in the first place.
|
|
if (GetBoolArg("-whitelistforcerelay", DEFAULT_WHITELISTFORCERELAY)) {
|
|
if (SoftSetBoolArg("-whitelistrelay", true))
|
|
LogPrintf("%s: parameter interaction: -whitelistforcerelay=1 -> setting -whitelistrelay=1\n", __func__);
|
|
}
|
|
}
|
|
|
|
static std::string ResolveErrMsg(const char * const optname, const std::string& strBind)
|
|
{
|
|
return strprintf(_("Cannot resolve -%s address: '%s'"), optname, strBind);
|
|
}
|
|
|
|
void InitLogging()
|
|
{
|
|
fPrintToConsole = GetBoolArg("-printtoconsole", false);
|
|
fLogTimestamps = GetBoolArg("-logtimestamps", DEFAULT_LOGTIMESTAMPS);
|
|
fLogTimeMicros = GetBoolArg("-logtimemicros", DEFAULT_LOGTIMEMICROS);
|
|
fLogIPs = GetBoolArg("-logips", DEFAULT_LOGIPS);
|
|
|
|
LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
|
|
LogPrintf("Bitcoin version %s\n", FormatFullVersion());
|
|
}
|
|
|
|
namespace { // Variables internal to initialization process only
|
|
|
|
ServiceFlags nRelevantServices = NODE_NETWORK;
|
|
int nMaxConnections;
|
|
int nUserMaxConnections;
|
|
int nFD;
|
|
ServiceFlags nLocalServices = NODE_NETWORK;
|
|
|
|
}
|
|
|
|
bool AppInitBasicSetup()
|
|
{
|
|
// ********************************************************* Step 1: setup
|
|
#ifdef _MSC_VER
|
|
// Turn off Microsoft heap dump noise
|
|
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
|
|
_CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
|
|
#endif
|
|
#if _MSC_VER >= 1400
|
|
// Disable confusing "helpful" text message on abort, Ctrl-C
|
|
_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
|
|
#endif
|
|
#ifdef WIN32
|
|
// Enable Data Execution Prevention (DEP)
|
|
// Minimum supported OS versions: WinXP SP3, WinVista >= SP1, Win Server 2008
|
|
// A failure is non-critical and needs no further attention!
|
|
#ifndef PROCESS_DEP_ENABLE
|
|
// We define this here, because GCCs winbase.h limits this to _WIN32_WINNT >= 0x0601 (Windows 7),
|
|
// which is not correct. Can be removed, when GCCs winbase.h is fixed!
|
|
#define PROCESS_DEP_ENABLE 0x00000001
|
|
#endif
|
|
typedef BOOL (WINAPI *PSETPROCDEPPOL)(DWORD);
|
|
PSETPROCDEPPOL setProcDEPPol = (PSETPROCDEPPOL)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy");
|
|
if (setProcDEPPol != NULL) setProcDEPPol(PROCESS_DEP_ENABLE);
|
|
#endif
|
|
|
|
if (!SetupNetworking())
|
|
return InitError("Initializing networking failed");
|
|
|
|
#ifndef WIN32
|
|
if (!GetBoolArg("-sysperms", false)) {
|
|
umask(077);
|
|
}
|
|
|
|
// Clean shutdown on SIGTERM
|
|
struct sigaction sa;
|
|
sa.sa_handler = HandleSIGTERM;
|
|
sigemptyset(&sa.sa_mask);
|
|
sa.sa_flags = 0;
|
|
sigaction(SIGTERM, &sa, NULL);
|
|
sigaction(SIGINT, &sa, NULL);
|
|
|
|
// Reopen debug.log on SIGHUP
|
|
struct sigaction sa_hup;
|
|
sa_hup.sa_handler = HandleSIGHUP;
|
|
sigemptyset(&sa_hup.sa_mask);
|
|
sa_hup.sa_flags = 0;
|
|
sigaction(SIGHUP, &sa_hup, NULL);
|
|
|
|
// Ignore SIGPIPE, otherwise it will bring the daemon down if the client closes unexpectedly
|
|
signal(SIGPIPE, SIG_IGN);
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
bool AppInitParameterInteraction()
|
|
{
|
|
const CChainParams& chainparams = Params();
|
|
// ********************************************************* Step 2: parameter interactions
|
|
|
|
// also see: InitParameterInteraction()
|
|
|
|
// if using block pruning, then disallow txindex
|
|
if (GetArg("-prune", 0)) {
|
|
if (GetBoolArg("-txindex", DEFAULT_TXINDEX))
|
|
return InitError(_("Prune mode is incompatible with -txindex."));
|
|
}
|
|
|
|
// Make sure enough file descriptors are available
|
|
int nBind = std::max(
|
|
(mapMultiArgs.count("-bind") ? mapMultiArgs.at("-bind").size() : 0) +
|
|
(mapMultiArgs.count("-whitebind") ? mapMultiArgs.at("-whitebind").size() : 0), size_t(1));
|
|
nUserMaxConnections = GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS);
|
|
nMaxConnections = std::max(nUserMaxConnections, 0);
|
|
|
|
// Trim requested connection counts, to fit into system limitations
|
|
nMaxConnections = std::max(std::min(nMaxConnections, (int)(FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS)), 0);
|
|
nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS + MAX_ADDNODE_CONNECTIONS);
|
|
if (nFD < MIN_CORE_FILEDESCRIPTORS)
|
|
return InitError(_("Not enough file descriptors available."));
|
|
nMaxConnections = std::min(nFD - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS, nMaxConnections);
|
|
|
|
if (nMaxConnections < nUserMaxConnections)
|
|
InitWarning(strprintf(_("Reducing -maxconnections from %d to %d, because of system limitations."), nUserMaxConnections, nMaxConnections));
|
|
|
|
// ********************************************************* Step 3: parameter-to-internal-flags
|
|
|
|
fDebug = mapMultiArgs.count("-debug");
|
|
// Special-case: if -debug=0/-nodebug is set, turn off debugging messages
|
|
if (fDebug) {
|
|
const std::vector<std::string>& categories = mapMultiArgs.at("-debug");
|
|
if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), std::string("0")) != categories.end())
|
|
fDebug = false;
|
|
}
|
|
|
|
// Check for -debugnet
|
|
if (GetBoolArg("-debugnet", false))
|
|
InitWarning(_("Unsupported argument -debugnet ignored, use -debug=net."));
|
|
// Check for -socks - as this is a privacy risk to continue, exit here
|
|
if (IsArgSet("-socks"))
|
|
return InitError(_("Unsupported argument -socks found. Setting SOCKS version isn't possible anymore, only SOCKS5 proxies are supported."));
|
|
// Check for -tor - as this is a privacy risk to continue, exit here
|
|
if (GetBoolArg("-tor", false))
|
|
return InitError(_("Unsupported argument -tor found, use -onion."));
|
|
|
|
if (GetBoolArg("-benchmark", false))
|
|
InitWarning(_("Unsupported argument -benchmark ignored, use -debug=bench."));
|
|
|
|
if (GetBoolArg("-whitelistalwaysrelay", false))
|
|
InitWarning(_("Unsupported argument -whitelistalwaysrelay ignored, use -whitelistrelay and/or -whitelistforcerelay."));
|
|
|
|
if (IsArgSet("-blockminsize"))
|
|
InitWarning("Unsupported argument -blockminsize ignored.");
|
|
|
|
// Checkmempool and checkblockindex default to true in regtest mode
|
|
int ratio = std::min<int>(std::max<int>(GetArg("-checkmempool", chainparams.DefaultConsistencyChecks() ? 1 : 0), 0), 1000000);
|
|
if (ratio != 0) {
|
|
mempool.setSanityCheck(1.0 / ratio);
|
|
}
|
|
fCheckBlockIndex = GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks());
|
|
fCheckpointsEnabled = GetBoolArg("-checkpoints", DEFAULT_CHECKPOINTS_ENABLED);
|
|
|
|
hashAssumeValid = uint256S(GetArg("-assumevalid", chainparams.GetConsensus().defaultAssumeValid.GetHex()));
|
|
if (!hashAssumeValid.IsNull())
|
|
LogPrintf("Assuming ancestors of block %s have valid signatures.\n", hashAssumeValid.GetHex());
|
|
else
|
|
LogPrintf("Validating signatures for all blocks.\n");
|
|
|
|
// mempool limits
|
|
int64_t nMempoolSizeMax = GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000;
|
|
int64_t nMempoolSizeMin = GetArg("-limitdescendantsize", DEFAULT_DESCENDANT_SIZE_LIMIT) * 1000 * 40;
|
|
if (nMempoolSizeMax < 0 || nMempoolSizeMax < nMempoolSizeMin)
|
|
return InitError(strprintf(_("-maxmempool must be at least %d MB"), std::ceil(nMempoolSizeMin / 1000000.0)));
|
|
// incremental relay fee sets the minimimum feerate increase necessary for BIP 125 replacement in the mempool
|
|
// and the amount the mempool min fee increases above the feerate of txs evicted due to mempool limiting.
|
|
if (IsArgSet("-incrementalrelayfee"))
|
|
{
|
|
CAmount n = 0;
|
|
if (!ParseMoney(GetArg("-incrementalrelayfee", ""), n))
|
|
return InitError(AmountErrMsg("incrementalrelayfee", GetArg("-incrementalrelayfee", "")));
|
|
incrementalRelayFee = CFeeRate(n);
|
|
}
|
|
|
|
// -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
|
|
nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS);
|
|
if (nScriptCheckThreads <= 0)
|
|
nScriptCheckThreads += GetNumCores();
|
|
if (nScriptCheckThreads <= 1)
|
|
nScriptCheckThreads = 0;
|
|
else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS)
|
|
nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS;
|
|
|
|
// block pruning; get the amount of disk space (in MiB) to allot for block & undo files
|
|
int64_t nPruneArg = GetArg("-prune", 0);
|
|
if (nPruneArg < 0) {
|
|
return InitError(_("Prune cannot be configured with a negative value."));
|
|
}
|
|
nPruneTarget = (uint64_t) nPruneArg * 1024 * 1024;
|
|
if (nPruneArg == 1) { // manual pruning: -prune=1
|
|
LogPrintf("Block pruning enabled. Use RPC call pruneblockchain(height) to manually prune block and undo files.\n");
|
|
nPruneTarget = std::numeric_limits<uint64_t>::max();
|
|
fPruneMode = true;
|
|
} else if (nPruneTarget) {
|
|
if (nPruneTarget < MIN_DISK_SPACE_FOR_BLOCK_FILES) {
|
|
return InitError(strprintf(_("Prune configured below the minimum of %d MiB. Please use a higher number."), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
|
|
}
|
|
LogPrintf("Prune configured to target %uMiB on disk for block and undo files.\n", nPruneTarget / 1024 / 1024);
|
|
fPruneMode = true;
|
|
}
|
|
|
|
RegisterAllCoreRPCCommands(tableRPC);
|
|
#ifdef ENABLE_WALLET
|
|
RegisterWalletRPCCommands(tableRPC);
|
|
#endif
|
|
|
|
nConnectTimeout = GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT);
|
|
if (nConnectTimeout <= 0)
|
|
nConnectTimeout = DEFAULT_CONNECT_TIMEOUT;
|
|
|
|
// Fee-per-kilobyte amount considered the same as "free"
|
|
// If you are mining, be careful setting this:
|
|
// if you set it to zero then
|
|
// a transaction spammer can cheaply fill blocks using
|
|
// 1-satoshi-fee transactions. It should be set above the real
|
|
// cost to you of processing a transaction.
|
|
if (IsArgSet("-minrelaytxfee"))
|
|
{
|
|
CAmount n = 0;
|
|
if (!ParseMoney(GetArg("-minrelaytxfee", ""), n) || 0 == n)
|
|
return InitError(AmountErrMsg("minrelaytxfee", GetArg("-minrelaytxfee", "")));
|
|
// High fee check is done afterward in CWallet::ParameterInteraction()
|
|
::minRelayTxFee = CFeeRate(n);
|
|
} else if (incrementalRelayFee > ::minRelayTxFee) {
|
|
// Allow only setting incrementalRelayFee to control both
|
|
::minRelayTxFee = incrementalRelayFee;
|
|
LogPrintf("Increasing minrelaytxfee to %s to match incrementalrelayfee\n",::minRelayTxFee.ToString());
|
|
}
|
|
|
|
// Sanity check argument for min fee for including tx in block
|
|
// TODO: Harmonize which arguments need sanity checking and where that happens
|
|
if (IsArgSet("-blockmintxfee"))
|
|
{
|
|
CAmount n = 0;
|
|
if (!ParseMoney(GetArg("-blockmintxfee", ""), n))
|
|
return InitError(AmountErrMsg("blockmintxfee", GetArg("-blockmintxfee", "")));
|
|
}
|
|
|
|
// Feerate used to define dust. Shouldn't be changed lightly as old
|
|
// implementations may inadvertently create non-standard transactions
|
|
if (IsArgSet("-dustrelayfee"))
|
|
{
|
|
CAmount n = 0;
|
|
if (!ParseMoney(GetArg("-dustrelayfee", ""), n) || 0 == n)
|
|
return InitError(AmountErrMsg("dustrelayfee", GetArg("-dustrelayfee", "")));
|
|
dustRelayFee = CFeeRate(n);
|
|
}
|
|
|
|
fRequireStandard = !GetBoolArg("-acceptnonstdtxn", !chainparams.RequireStandard());
|
|
if (chainparams.RequireStandard() && !fRequireStandard)
|
|
return InitError(strprintf("acceptnonstdtxn is not currently supported for %s chain", chainparams.NetworkIDString()));
|
|
nBytesPerSigOp = GetArg("-bytespersigop", nBytesPerSigOp);
|
|
|
|
#ifdef ENABLE_WALLET
|
|
if (!CWallet::ParameterInteraction())
|
|
return false;
|
|
#endif
|
|
|
|
fIsBareMultisigStd = GetBoolArg("-permitbaremultisig", DEFAULT_PERMIT_BAREMULTISIG);
|
|
fAcceptDatacarrier = GetBoolArg("-datacarrier", DEFAULT_ACCEPT_DATACARRIER);
|
|
nMaxDatacarrierBytes = GetArg("-datacarriersize", nMaxDatacarrierBytes);
|
|
|
|
// Option to startup with mocktime set (used for regression testing):
|
|
SetMockTime(GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op
|
|
|
|
if (GetBoolArg("-peerbloomfilters", DEFAULT_PEERBLOOMFILTERS))
|
|
nLocalServices = ServiceFlags(nLocalServices | NODE_BLOOM);
|
|
|
|
if (GetArg("-rpcserialversion", DEFAULT_RPC_SERIALIZE_VERSION) < 0)
|
|
return InitError("rpcserialversion must be non-negative.");
|
|
|
|
if (GetArg("-rpcserialversion", DEFAULT_RPC_SERIALIZE_VERSION) > 1)
|
|
return InitError("unknown rpcserialversion requested.");
|
|
|
|
nMaxTipAge = GetArg("-maxtipage", DEFAULT_MAX_TIP_AGE);
|
|
|
|
fEnableReplacement = GetBoolArg("-mempoolreplacement", DEFAULT_ENABLE_REPLACEMENT);
|
|
if ((!fEnableReplacement) && IsArgSet("-mempoolreplacement")) {
|
|
// Minimal effort at forwards compatibility
|
|
std::string strReplacementModeList = GetArg("-mempoolreplacement", ""); // default is impossible
|
|
std::vector<std::string> vstrReplacementModes;
|
|
boost::split(vstrReplacementModes, strReplacementModeList, boost::is_any_of(","));
|
|
fEnableReplacement = (std::find(vstrReplacementModes.begin(), vstrReplacementModes.end(), "fee") != vstrReplacementModes.end());
|
|
}
|
|
|
|
if (mapMultiArgs.count("-bip9params")) {
|
|
// Allow overriding BIP9 parameters for testing
|
|
if (!chainparams.MineBlocksOnDemand()) {
|
|
return InitError("BIP9 parameters may only be overridden on regtest.");
|
|
}
|
|
const std::vector<std::string>& deployments = mapMultiArgs.at("-bip9params");
|
|
for (auto i : deployments) {
|
|
std::vector<std::string> vDeploymentParams;
|
|
boost::split(vDeploymentParams, i, boost::is_any_of(":"));
|
|
if (vDeploymentParams.size() != 3) {
|
|
return InitError("BIP9 parameters malformed, expecting deployment:start:end");
|
|
}
|
|
int64_t nStartTime, nTimeout;
|
|
if (!ParseInt64(vDeploymentParams[1], &nStartTime)) {
|
|
return InitError(strprintf("Invalid nStartTime (%s)", vDeploymentParams[1]));
|
|
}
|
|
if (!ParseInt64(vDeploymentParams[2], &nTimeout)) {
|
|
return InitError(strprintf("Invalid nTimeout (%s)", vDeploymentParams[2]));
|
|
}
|
|
bool found = false;
|
|
for (int j=0; j<(int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j)
|
|
{
|
|
if (vDeploymentParams[0].compare(VersionBitsDeploymentInfo[j].name) == 0) {
|
|
UpdateRegtestBIP9Parameters(Consensus::DeploymentPos(j), nStartTime, nTimeout);
|
|
found = true;
|
|
LogPrintf("Setting BIP9 activation parameters for %s to start=%ld, timeout=%ld\n", vDeploymentParams[0], nStartTime, nTimeout);
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
return InitError(strprintf("Invalid deployment (%s)", vDeploymentParams[0]));
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool LockDataDirectory(bool probeOnly)
|
|
{
|
|
std::string strDataDir = GetDataDir().string();
|
|
|
|
// Make sure only a single Bitcoin process is using the data directory.
|
|
boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
|
|
FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
|
|
if (file) fclose(file);
|
|
|
|
try {
|
|
static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
|
|
if (!lock.try_lock()) {
|
|
return InitError(strprintf(_("Cannot obtain a lock on data directory %s. %s is probably already running."), strDataDir, _(PACKAGE_NAME)));
|
|
}
|
|
if (probeOnly) {
|
|
lock.unlock();
|
|
}
|
|
} catch(const boost::interprocess::interprocess_exception& e) {
|
|
return InitError(strprintf(_("Cannot obtain a lock on data directory %s. %s is probably already running.") + " %s.", strDataDir, _(PACKAGE_NAME), e.what()));
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool AppInitSanityChecks()
|
|
{
|
|
// ********************************************************* Step 4: sanity checks
|
|
|
|
// Initialize elliptic curve code
|
|
ECC_Start();
|
|
globalVerifyHandle.reset(new ECCVerifyHandle());
|
|
|
|
// Sanity check
|
|
if (!InitSanityCheck())
|
|
return InitError(strprintf(_("Initialization sanity check failed. %s is shutting down."), _(PACKAGE_NAME)));
|
|
|
|
// Probe the data directory lock to give an early error message, if possible
|
|
return LockDataDirectory(true);
|
|
}
|
|
|
|
bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
|
|
{
|
|
const CChainParams& chainparams = Params();
|
|
// ********************************************************* Step 4a: application initialization
|
|
// After daemonization get the data directory lock again and hold on to it until exit
|
|
// This creates a slight window for a race condition to happen, however this condition is harmless: it
|
|
// will at most make us exit without printing a message to console.
|
|
if (!LockDataDirectory(false)) {
|
|
// Detailed error printed inside LockDataDirectory
|
|
return false;
|
|
}
|
|
|
|
#ifndef WIN32
|
|
CreatePidFile(GetPidFile(), getpid());
|
|
#endif
|
|
if (GetBoolArg("-shrinkdebugfile", !fDebug)) {
|
|
// Do this first since it both loads a bunch of debug.log into memory,
|
|
// and because this needs to happen before any other debug.log printing
|
|
ShrinkDebugFile();
|
|
}
|
|
|
|
if (fPrintToDebugLog)
|
|
OpenDebugLog();
|
|
|
|
if (!fLogTimestamps)
|
|
LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()));
|
|
LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
|
|
LogPrintf("Using data directory %s\n", GetDataDir().string());
|
|
LogPrintf("Using config file %s\n", GetConfigFile(GetArg("-conf", BITCOIN_CONF_FILENAME)).string());
|
|
LogPrintf("Using at most %i automatic connections (%i file descriptors available)\n", nMaxConnections, nFD);
|
|
|
|
InitSignatureCache();
|
|
|
|
LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads);
|
|
if (nScriptCheckThreads) {
|
|
for (int i=0; i<nScriptCheckThreads-1; i++)
|
|
threadGroup.create_thread(&ThreadScriptCheck);
|
|
}
|
|
|
|
// Start the lightweight task scheduler thread
|
|
CScheduler::Function serviceLoop = boost::bind(&CScheduler::serviceQueue, &scheduler);
|
|
threadGroup.create_thread(boost::bind(&TraceThread<CScheduler::Function>, "scheduler", serviceLoop));
|
|
|
|
/* Start the RPC server already. It will be started in "warmup" mode
|
|
* and not really process calls already (but it will signify connections
|
|
* that the server is there and will be ready later). Warmup mode will
|
|
* be disabled when initialisation is finished.
|
|
*/
|
|
if (GetBoolArg("-server", false))
|
|
{
|
|
uiInterface.InitMessage.connect(SetRPCWarmupStatus);
|
|
if (!AppInitServers(threadGroup))
|
|
return InitError(_("Unable to start HTTP server. See debug log for details."));
|
|
}
|
|
|
|
int64_t nStart;
|
|
|
|
// ********************************************************* Step 5: verify wallet database integrity
|
|
#ifdef ENABLE_WALLET
|
|
if (!CWallet::Verify())
|
|
return false;
|
|
#endif
|
|
// ********************************************************* Step 6: network initialization
|
|
// Note that we absolutely cannot open any actual connections
|
|
// until the very end ("start node") as the UTXO/block state
|
|
// is not yet setup and may end up being set up twice if we
|
|
// need to reindex later.
|
|
|
|
assert(!g_connman);
|
|
g_connman = std::unique_ptr<CConnman>(new CConnman(GetRand(std::numeric_limits<uint64_t>::max()), GetRand(std::numeric_limits<uint64_t>::max())));
|
|
CConnman& connman = *g_connman;
|
|
|
|
peerLogic.reset(new PeerLogicValidation(&connman));
|
|
RegisterValidationInterface(peerLogic.get());
|
|
RegisterNodeSignals(GetNodeSignals());
|
|
|
|
// sanitize comments per BIP-0014, format user agent and check total size
|
|
std::vector<std::string> uacomments;
|
|
if (mapMultiArgs.count("-uacomment")) {
|
|
BOOST_FOREACH(std::string cmt, mapMultiArgs.at("-uacomment"))
|
|
{
|
|
if (cmt != SanitizeString(cmt, SAFE_CHARS_UA_COMMENT))
|
|
return InitError(strprintf(_("User Agent comment (%s) contains unsafe characters."), cmt));
|
|
uacomments.push_back(cmt);
|
|
}
|
|
}
|
|
strSubVersion = FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, uacomments);
|
|
if (strSubVersion.size() > MAX_SUBVERSION_LENGTH) {
|
|
return InitError(strprintf(_("Total length of network version string (%i) exceeds maximum length (%i). Reduce the number or size of uacomments."),
|
|
strSubVersion.size(), MAX_SUBVERSION_LENGTH));
|
|
}
|
|
|
|
if (mapMultiArgs.count("-onlynet")) {
|
|
std::set<enum Network> nets;
|
|
BOOST_FOREACH(const std::string& snet, mapMultiArgs.at("-onlynet")) {
|
|
enum Network net = ParseNetwork(snet);
|
|
if (net == NET_UNROUTABLE)
|
|
return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet));
|
|
nets.insert(net);
|
|
}
|
|
for (int n = 0; n < NET_MAX; n++) {
|
|
enum Network net = (enum Network)n;
|
|
if (!nets.count(net))
|
|
SetLimited(net);
|
|
}
|
|
}
|
|
|
|
if (mapMultiArgs.count("-whitelist")) {
|
|
BOOST_FOREACH(const std::string& net, mapMultiArgs.at("-whitelist")) {
|
|
CSubNet subnet;
|
|
LookupSubNet(net.c_str(), subnet);
|
|
if (!subnet.IsValid())
|
|
return InitError(strprintf(_("Invalid netmask specified in -whitelist: '%s'"), net));
|
|
connman.AddWhitelistedRange(subnet);
|
|
}
|
|
}
|
|
|
|
bool proxyRandomize = GetBoolArg("-proxyrandomize", DEFAULT_PROXYRANDOMIZE);
|
|
// -proxy sets a proxy for all outgoing network traffic
|
|
// -noproxy (or -proxy=0) as well as the empty string can be used to not set a proxy, this is the default
|
|
std::string proxyArg = GetArg("-proxy", "");
|
|
SetLimited(NET_TOR);
|
|
if (proxyArg != "" && proxyArg != "0") {
|
|
CService resolved(LookupNumeric(proxyArg.c_str(), 9050));
|
|
proxyType addrProxy = proxyType(resolved, proxyRandomize);
|
|
if (!addrProxy.IsValid())
|
|
return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg));
|
|
|
|
SetProxy(NET_IPV4, addrProxy);
|
|
SetProxy(NET_IPV6, addrProxy);
|
|
SetProxy(NET_TOR, addrProxy);
|
|
SetNameProxy(addrProxy);
|
|
SetLimited(NET_TOR, false); // by default, -proxy sets onion as reachable, unless -noonion later
|
|
}
|
|
|
|
// -onion can be used to set only a proxy for .onion, or override normal proxy for .onion addresses
|
|
// -noonion (or -onion=0) disables connecting to .onion entirely
|
|
// An empty string is used to not override the onion proxy (in which case it defaults to -proxy set above, or none)
|
|
std::string onionArg = GetArg("-onion", "");
|
|
if (onionArg != "") {
|
|
if (onionArg == "0") { // Handle -noonion/-onion=0
|
|
SetLimited(NET_TOR); // set onions as unreachable
|
|
} else {
|
|
CService resolved(LookupNumeric(onionArg.c_str(), 9050));
|
|
proxyType addrOnion = proxyType(resolved, proxyRandomize);
|
|
if (!addrOnion.IsValid())
|
|
return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg));
|
|
SetProxy(NET_TOR, addrOnion);
|
|
SetLimited(NET_TOR, false);
|
|
}
|
|
}
|
|
|
|
// see Step 2: parameter interactions for more information about these
|
|
fListen = GetBoolArg("-listen", DEFAULT_LISTEN);
|
|
fDiscover = GetBoolArg("-discover", true);
|
|
fNameLookup = GetBoolArg("-dns", DEFAULT_NAME_LOOKUP);
|
|
fRelayTxes = !GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY);
|
|
|
|
if (fListen) {
|
|
bool fBound = false;
|
|
if (mapMultiArgs.count("-bind")) {
|
|
BOOST_FOREACH(const std::string& strBind, mapMultiArgs.at("-bind")) {
|
|
CService addrBind;
|
|
if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))
|
|
return InitError(ResolveErrMsg("bind", strBind));
|
|
fBound |= Bind(connman, addrBind, (BF_EXPLICIT | BF_REPORT_ERROR));
|
|
}
|
|
}
|
|
if (mapMultiArgs.count("-whitebind")) {
|
|
BOOST_FOREACH(const std::string& strBind, mapMultiArgs.at("-whitebind")) {
|
|
CService addrBind;
|
|
if (!Lookup(strBind.c_str(), addrBind, 0, false))
|
|
return InitError(ResolveErrMsg("whitebind", strBind));
|
|
if (addrBind.GetPort() == 0)
|
|
return InitError(strprintf(_("Need to specify a port with -whitebind: '%s'"), strBind));
|
|
fBound |= Bind(connman, addrBind, (BF_EXPLICIT | BF_REPORT_ERROR | BF_WHITELIST));
|
|
}
|
|
}
|
|
if (!mapMultiArgs.count("-bind") && !mapMultiArgs.count("-whitebind")) {
|
|
struct in_addr inaddr_any;
|
|
inaddr_any.s_addr = INADDR_ANY;
|
|
fBound |= Bind(connman, CService(in6addr_any, GetListenPort()), BF_NONE);
|
|
fBound |= Bind(connman, CService(inaddr_any, GetListenPort()), !fBound ? BF_REPORT_ERROR : BF_NONE);
|
|
}
|
|
if (!fBound)
|
|
return InitError(_("Failed to listen on any port. Use -listen=0 if you want this."));
|
|
}
|
|
|
|
if (mapMultiArgs.count("-externalip")) {
|
|
BOOST_FOREACH(const std::string& strAddr, mapMultiArgs.at("-externalip")) {
|
|
CService addrLocal;
|
|
if (Lookup(strAddr.c_str(), addrLocal, GetListenPort(), fNameLookup) && addrLocal.IsValid())
|
|
AddLocal(addrLocal, LOCAL_MANUAL);
|
|
else
|
|
return InitError(ResolveErrMsg("externalip", strAddr));
|
|
}
|
|
}
|
|
|
|
if (mapMultiArgs.count("-seednode")) {
|
|
BOOST_FOREACH(const std::string& strDest, mapMultiArgs.at("-seednode"))
|
|
connman.AddOneShot(strDest);
|
|
}
|
|
|
|
#if ENABLE_ZMQ
|
|
pzmqNotificationInterface = CZMQNotificationInterface::Create();
|
|
|
|
if (pzmqNotificationInterface) {
|
|
RegisterValidationInterface(pzmqNotificationInterface);
|
|
}
|
|
#endif
|
|
uint64_t nMaxOutboundLimit = 0; //unlimited unless -maxuploadtarget is set
|
|
uint64_t nMaxOutboundTimeframe = MAX_UPLOAD_TIMEFRAME;
|
|
|
|
if (IsArgSet("-maxuploadtarget")) {
|
|
nMaxOutboundLimit = GetArg("-maxuploadtarget", DEFAULT_MAX_UPLOAD_TARGET)*1024*1024;
|
|
}
|
|
|
|
// ********************************************************* Step 7: load block chain
|
|
|
|
fReindex = GetBoolArg("-reindex", false);
|
|
bool fReindexChainState = GetBoolArg("-reindex-chainstate", false);
|
|
|
|
// Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/
|
|
boost::filesystem::path blocksDir = GetDataDir() / "blocks";
|
|
if (!boost::filesystem::exists(blocksDir))
|
|
{
|
|
boost::filesystem::create_directories(blocksDir);
|
|
bool linked = false;
|
|
for (unsigned int i = 1; i < 10000; i++) {
|
|
boost::filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i);
|
|
if (!boost::filesystem::exists(source)) break;
|
|
boost::filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1);
|
|
try {
|
|
boost::filesystem::create_hard_link(source, dest);
|
|
LogPrintf("Hardlinked %s -> %s\n", source.string(), dest.string());
|
|
linked = true;
|
|
} catch (const boost::filesystem::filesystem_error& e) {
|
|
// Note: hardlink creation failing is not a disaster, it just means
|
|
// blocks will get re-downloaded from peers.
|
|
LogPrintf("Error hardlinking blk%04u.dat: %s\n", i, e.what());
|
|
break;
|
|
}
|
|
}
|
|
if (linked)
|
|
{
|
|
fReindex = true;
|
|
}
|
|
}
|
|
|
|
// cache size calculations
|
|
int64_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20);
|
|
nTotalCache = std::max(nTotalCache, nMinDbCache << 20); // total cache cannot be less than nMinDbCache
|
|
nTotalCache = std::min(nTotalCache, nMaxDbCache << 20); // total cache cannot be greater than nMaxDbcache
|
|
int64_t nBlockTreeDBCache = nTotalCache / 8;
|
|
nBlockTreeDBCache = std::min(nBlockTreeDBCache, (GetBoolArg("-txindex", DEFAULT_TXINDEX) ? nMaxBlockDBAndTxIndexCache : nMaxBlockDBCache) << 20);
|
|
nTotalCache -= nBlockTreeDBCache;
|
|
int64_t nCoinDBCache = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
|
|
nCoinDBCache = std::min(nCoinDBCache, nMaxCoinsDBCache << 20); // cap total coins db cache
|
|
nTotalCache -= nCoinDBCache;
|
|
nCoinCacheUsage = nTotalCache; // the rest goes to in-memory cache
|
|
int64_t nMempoolSizeMax = GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000;
|
|
LogPrintf("Cache configuration:\n");
|
|
LogPrintf("* Using %.1fMiB for block index database\n", nBlockTreeDBCache * (1.0 / 1024 / 1024));
|
|
LogPrintf("* Using %.1fMiB for chain state database\n", nCoinDBCache * (1.0 / 1024 / 1024));
|
|
LogPrintf("* Using %.1fMiB for in-memory UTXO set (plus up to %.1fMiB of unused mempool space)\n", nCoinCacheUsage * (1.0 / 1024 / 1024), nMempoolSizeMax * (1.0 / 1024 / 1024));
|
|
|
|
bool fLoaded = false;
|
|
while (!fLoaded) {
|
|
bool fReset = fReindex;
|
|
std::string strLoadError;
|
|
|
|
uiInterface.InitMessage(_("Loading block index..."));
|
|
|
|
nStart = GetTimeMillis();
|
|
do {
|
|
try {
|
|
UnloadBlockIndex();
|
|
delete pcoinsTip;
|
|
delete pcoinsdbview;
|
|
delete pcoinscatcher;
|
|
delete pblocktree;
|
|
|
|
pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex);
|
|
pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex || fReindexChainState);
|
|
pcoinscatcher = new CCoinsViewErrorCatcher(pcoinsdbview);
|
|
pcoinsTip = new CCoinsViewCache(pcoinscatcher);
|
|
|
|
if (fReindex) {
|
|
pblocktree->WriteReindexing(true);
|
|
//If we're reindexing in prune mode, wipe away unusable block files and all undo data files
|
|
if (fPruneMode)
|
|
CleanupBlockRevFiles();
|
|
}
|
|
|
|
if (!LoadBlockIndex(chainparams)) {
|
|
strLoadError = _("Error loading block database");
|
|
break;
|
|
}
|
|
|
|
// If the loaded chain has a wrong genesis, bail out immediately
|
|
// (we're likely using a testnet datadir, or the other way around).
|
|
if (!mapBlockIndex.empty() && mapBlockIndex.count(chainparams.GetConsensus().hashGenesisBlock) == 0)
|
|
return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));
|
|
|
|
// Initialize the block index (no-op if non-empty database was already loaded)
|
|
if (!InitBlockIndex(chainparams)) {
|
|
strLoadError = _("Error initializing block database");
|
|
break;
|
|
}
|
|
|
|
// Check for changed -txindex state
|
|
if (fTxIndex != GetBoolArg("-txindex", DEFAULT_TXINDEX)) {
|
|
strLoadError = _("You need to rebuild the database using -reindex-chainstate to change -txindex");
|
|
break;
|
|
}
|
|
|
|
// Check for changed -prune state. What we are concerned about is a user who has pruned blocks
|
|
// in the past, but is now trying to run unpruned.
|
|
if (fHavePruned && !fPruneMode) {
|
|
strLoadError = _("You need to rebuild the database using -reindex to go back to unpruned mode. This will redownload the entire blockchain");
|
|
break;
|
|
}
|
|
|
|
if (!fReindex && chainActive.Tip() != NULL) {
|
|
uiInterface.InitMessage(_("Rewinding blocks..."));
|
|
if (!RewindBlockIndex(chainparams)) {
|
|
strLoadError = _("Unable to rewind the database to a pre-fork state. You will need to redownload the blockchain");
|
|
break;
|
|
}
|
|
}
|
|
|
|
uiInterface.InitMessage(_("Verifying blocks..."));
|
|
if (fHavePruned && GetArg("-checkblocks", DEFAULT_CHECKBLOCKS) > MIN_BLOCKS_TO_KEEP) {
|
|
LogPrintf("Prune: pruned datadir may not have more than %d blocks; only checking available blocks",
|
|
MIN_BLOCKS_TO_KEEP);
|
|
}
|
|
|
|
{
|
|
LOCK(cs_main);
|
|
CBlockIndex* tip = chainActive.Tip();
|
|
RPCNotifyBlockChange(true, tip);
|
|
if (tip && tip->nTime > GetAdjustedTime() + 2 * 60 * 60) {
|
|
strLoadError = _("The block database contains a block which appears to be from the future. "
|
|
"This may be due to your computer's date and time being set incorrectly. "
|
|
"Only rebuild the block database if you are sure that your computer's date and time are correct");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!CVerifyDB().VerifyDB(chainparams, pcoinsdbview, GetArg("-checklevel", DEFAULT_CHECKLEVEL),
|
|
GetArg("-checkblocks", DEFAULT_CHECKBLOCKS))) {
|
|
strLoadError = _("Corrupted block database detected");
|
|
break;
|
|
}
|
|
} catch (const std::exception& e) {
|
|
if (fDebug) LogPrintf("%s\n", e.what());
|
|
strLoadError = _("Error opening block database");
|
|
break;
|
|
}
|
|
|
|
fLoaded = true;
|
|
} while(false);
|
|
|
|
if (!fLoaded) {
|
|
// first suggest a reindex
|
|
if (!fReset) {
|
|
bool fRet = uiInterface.ThreadSafeQuestion(
|
|
strLoadError + ".\n\n" + _("Do you want to rebuild the block database now?"),
|
|
strLoadError + ".\nPlease restart with -reindex or -reindex-chainstate to recover.",
|
|
"", CClientUIInterface::MSG_ERROR | CClientUIInterface::BTN_ABORT);
|
|
if (fRet) {
|
|
fReindex = true;
|
|
fRequestShutdown = false;
|
|
} else {
|
|
LogPrintf("Aborted block database rebuild. Exiting.\n");
|
|
return false;
|
|
}
|
|
} else {
|
|
return InitError(strLoadError);
|
|
}
|
|
}
|
|
}
|
|
|
|
// As LoadBlockIndex can take several minutes, it's possible the user
|
|
// requested to kill the GUI during the last operation. If so, exit.
|
|
// As the program has not fully started yet, Shutdown() is possibly overkill.
|
|
if (fRequestShutdown)
|
|
{
|
|
LogPrintf("Shutdown requested. Exiting.\n");
|
|
return false;
|
|
}
|
|
LogPrintf(" block index %15dms\n", GetTimeMillis() - nStart);
|
|
|
|
boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
|
|
CAutoFile est_filein(fopen(est_path.string().c_str(), "rb"), SER_DISK, CLIENT_VERSION);
|
|
// Allowed to fail as this file IS missing on first startup.
|
|
if (!est_filein.IsNull())
|
|
mempool.ReadFeeEstimates(est_filein);
|
|
fFeeEstimatesInitialized = true;
|
|
|
|
// ********************************************************* Step 8: load wallet
|
|
#ifdef ENABLE_WALLET
|
|
if (!CWallet::InitLoadWallet())
|
|
return false;
|
|
#else
|
|
LogPrintf("No wallet support compiled in!\n");
|
|
#endif
|
|
|
|
// ********************************************************* Step 9: data directory maintenance
|
|
|
|
// if pruning, unset the service bit and perform the initial blockstore prune
|
|
// after any wallet rescanning has taken place.
|
|
if (fPruneMode) {
|
|
LogPrintf("Unsetting NODE_NETWORK on prune mode\n");
|
|
nLocalServices = ServiceFlags(nLocalServices & ~NODE_NETWORK);
|
|
if (!fReindex) {
|
|
uiInterface.InitMessage(_("Pruning blockstore..."));
|
|
PruneAndFlush();
|
|
}
|
|
}
|
|
|
|
if (chainparams.GetConsensus().vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout != 0) {
|
|
// Only advertise witness capabilities if they have a reasonable start time.
|
|
// This allows us to have the code merged without a defined softfork, by setting its
|
|
// end time to 0.
|
|
// Note that setting NODE_WITNESS is never required: the only downside from not
|
|
// doing so is that after activation, no upgraded nodes will fetch from you.
|
|
nLocalServices = ServiceFlags(nLocalServices | NODE_WITNESS);
|
|
// Only care about others providing witness capabilities if there is a softfork
|
|
// defined.
|
|
nRelevantServices = ServiceFlags(nRelevantServices | NODE_WITNESS);
|
|
}
|
|
|
|
// ********************************************************* Step 10: import blocks
|
|
|
|
if (!CheckDiskSpace())
|
|
return false;
|
|
|
|
// Either install a handler to notify us when genesis activates, or set fHaveGenesis directly.
|
|
// No locking, as this happens before any background thread is started.
|
|
if (chainActive.Tip() == NULL) {
|
|
uiInterface.NotifyBlockTip.connect(BlockNotifyGenesisWait);
|
|
} else {
|
|
fHaveGenesis = true;
|
|
}
|
|
|
|
if (IsArgSet("-blocknotify"))
|
|
uiInterface.NotifyBlockTip.connect(BlockNotifyCallback);
|
|
|
|
std::vector<boost::filesystem::path> vImportFiles;
|
|
if (mapMultiArgs.count("-loadblock"))
|
|
{
|
|
BOOST_FOREACH(const std::string& strFile, mapMultiArgs.at("-loadblock"))
|
|
vImportFiles.push_back(strFile);
|
|
}
|
|
|
|
threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles));
|
|
|
|
// Wait for genesis block to be processed
|
|
{
|
|
boost::unique_lock<boost::mutex> lock(cs_GenesisWait);
|
|
while (!fHaveGenesis) {
|
|
condvar_GenesisWait.wait(lock);
|
|
}
|
|
uiInterface.NotifyBlockTip.disconnect(BlockNotifyGenesisWait);
|
|
}
|
|
|
|
// ********************************************************* Step 11: start node
|
|
|
|
//// debug print
|
|
LogPrintf("mapBlockIndex.size() = %u\n", mapBlockIndex.size());
|
|
LogPrintf("nBestHeight = %d\n", chainActive.Height());
|
|
if (GetBoolArg("-listenonion", DEFAULT_LISTEN_ONION))
|
|
StartTorControl(threadGroup, scheduler);
|
|
|
|
Discover(threadGroup);
|
|
|
|
// Map ports with UPnP
|
|
MapPort(GetBoolArg("-upnp", DEFAULT_UPNP));
|
|
|
|
std::string strNodeError;
|
|
CConnman::Options connOptions;
|
|
connOptions.nLocalServices = nLocalServices;
|
|
connOptions.nRelevantServices = nRelevantServices;
|
|
connOptions.nMaxConnections = nMaxConnections;
|
|
connOptions.nMaxOutbound = std::min(MAX_OUTBOUND_CONNECTIONS, connOptions.nMaxConnections);
|
|
connOptions.nMaxAddnode = MAX_ADDNODE_CONNECTIONS;
|
|
connOptions.nMaxFeeler = 1;
|
|
connOptions.nBestHeight = chainActive.Height();
|
|
connOptions.uiInterface = &uiInterface;
|
|
connOptions.nSendBufferMaxSize = 1000*GetArg("-maxsendbuffer", DEFAULT_MAXSENDBUFFER);
|
|
connOptions.nReceiveFloodSize = 1000*GetArg("-maxreceivebuffer", DEFAULT_MAXRECEIVEBUFFER);
|
|
|
|
connOptions.nMaxOutboundTimeframe = nMaxOutboundTimeframe;
|
|
connOptions.nMaxOutboundLimit = nMaxOutboundLimit;
|
|
|
|
if (!connman.Start(scheduler, strNodeError, connOptions))
|
|
return InitError(strNodeError);
|
|
|
|
// ********************************************************* Step 12: finished
|
|
|
|
SetRPCWarmupFinished();
|
|
uiInterface.InitMessage(_("Done loading"));
|
|
|
|
#ifdef ENABLE_WALLET
|
|
if (pwalletMain)
|
|
pwalletMain->postInitProcess(threadGroup);
|
|
#endif
|
|
|
|
return !fRequestShutdown;
|
|
}
|