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1515 lines
72 KiB
1515 lines
72 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2015 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 "main.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 "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 <stdint.h> |
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#include <stdio.h> |
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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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using namespace std; |
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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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#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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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 boost::scoped_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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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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StopNode(); |
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StopTorControl(); |
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UnregisterNodeSignals(GetNodeSignals()); |
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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(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 (!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 OnRPCStopped() |
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{ |
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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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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, 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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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("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), DEFAULT_CHECKBLOCKS)); |
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strUsage += HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), DEFAULT_CHECKLEVEL)); |
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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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#ifndef WIN32 |
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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("-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 pruning (deleting) old blocks. 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, >%u = target size in MiB to use for block files)"), 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)")); |
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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)")); |
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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)")); |
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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("-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=<netmask>", _("Whitelist peers connecting from the given netmask or IP address. Can be specified multiple times.") + |
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" " + _("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")); |
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strUsage += HelpMessageOpt("-whitelistrelay", strprintf(_("Accept relayed transactions received from whitelisted peers even when not relaying transactions (default: %d)"), DEFAULT_WHITELISTRELAY)); |
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strUsage += HelpMessageOpt("-whitelistforcerelay", strprintf(_("Force relay of transactions from whitelisted peers even they violate local relay policy (default: %d)"), DEFAULT_WHITELISTFORCERELAY)); |
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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)); |
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#ifdef ENABLE_WALLET |
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strUsage += CWallet::GetWalletHelpString(showDebug); |
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#endif |
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#if ENABLE_ZMQ |
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strUsage += HelpMessageGroup(_("ZeroMQ notification options:")); |
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strUsage += HelpMessageOpt("-zmqpubhashblock=<address>", _("Enable publish hash block in <address>")); |
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strUsage += HelpMessageOpt("-zmqpubhashtx=<address>", _("Enable publish hash transaction in <address>")); |
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strUsage += HelpMessageOpt("-zmqpubrawblock=<address>", _("Enable publish raw block in <address>")); |
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strUsage += HelpMessageOpt("-zmqpubrawtx=<address>", _("Enable publish raw transaction in <address>")); |
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#endif |
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|
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strUsage += HelpMessageGroup(_("Debugging/Testing options:")); |
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strUsage += HelpMessageOpt("-uacomment=<cmt>", _("Append comment to the user agent string")); |
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if (showDebug) |
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{ |
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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())); |
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strUsage += HelpMessageOpt("-checkmempool=<n>", strprintf("Run checks every <n> transactions (default: %u)", Params(CBaseChainParams::MAIN).DefaultConsistencyChecks())); |
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strUsage += HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", DEFAULT_CHECKPOINTS_ENABLED)); |
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strUsage += HelpMessageOpt("-disablesafemode", strprintf("Disable safemode, override a real safe mode event (default: %u)", DEFAULT_DISABLE_SAFEMODE)); |
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strUsage += HelpMessageOpt("-testsafemode", strprintf("Force safe mode (default: %u)", DEFAULT_TESTSAFEMODE)); |
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strUsage += HelpMessageOpt("-dropmessagestest=<n>", "Randomly drop 1 of every <n> network messages"); |
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strUsage += HelpMessageOpt("-fuzzmessagestest=<n>", "Randomly fuzz 1 of every <n> network messages"); |
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strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", DEFAULT_STOPAFTERBLOCKIMPORT)); |
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strUsage += HelpMessageOpt("-limitancestorcount=<n>", strprintf("Do not accept transactions if number of in-mempool ancestors is <n> or more (default: %u)", DEFAULT_ANCESTOR_LIMIT)); |
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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)); |
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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)); |
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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)); |
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strUsage += HelpMessageOpt("-bip9params=deployment:start:end", "Use given start/end times for specified BIP9 deployment (regtest-only)"); |
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} |
|
string debugCategories = "addrman, alert, bench, 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("-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)); |
|
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. 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() |
|
{ |
|
using namespace boost::filesystem; |
|
map<string, 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"); |
|
path blocksdir = GetDataDir() / "blocks"; |
|
for (directory_iterator it(blocksdir); it != 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(string, 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(); |
|
} |
|
} |
|
|
|
/** 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::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 (mapArgs.count("-bind")) { |
|
if (SoftSetBoolArg("-listen", true)) |
|
LogPrintf("%s: parameter interaction: -bind set -> setting -listen=1\n", __func__); |
|
} |
|
if (mapArgs.count("-whitebind")) { |
|
if (SoftSetBoolArg("-listen", true)) |
|
LogPrintf("%s: parameter interaction: -whitebind set -> setting -listen=1\n", __func__); |
|
} |
|
|
|
if (mapArgs.count("-connect") && mapMultiArgs["-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 (mapArgs.count("-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 (mapArgs.count("-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__); |
|
} |
|
|
|
if (GetBoolArg("-salvagewallet", false)) { |
|
// Rewrite just private keys: rescan to find transactions |
|
if (SoftSetBoolArg("-rescan", true)) |
|
LogPrintf("%s: parameter interaction: -salvagewallet=1 -> setting -rescan=1\n", __func__); |
|
} |
|
|
|
// -zapwallettx implies a rescan |
|
if (GetBoolArg("-zapwallettxes", false)) { |
|
if (SoftSetBoolArg("-rescan", true)) |
|
LogPrintf("%s: parameter interaction: -zapwallettxes=<mode> -> setting -rescan=1\n", __func__); |
|
} |
|
|
|
// disable walletbroadcast and whitelistrelay in blocksonly mode |
|
if (GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY)) { |
|
if (SoftSetBoolArg("-whitelistrelay", false)) |
|
LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -whitelistrelay=0\n", __func__); |
|
#ifdef ENABLE_WALLET |
|
if (SoftSetBoolArg("-walletbroadcast", false)) |
|
LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -walletbroadcast=0\n", __func__); |
|
#endif |
|
} |
|
|
|
// 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()); |
|
} |
|
|
|
/** Initialize bitcoin. |
|
* @pre Parameters should be parsed and config file should be read. |
|
*/ |
|
bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler) |
|
{ |
|
// ********************************************************* 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)) { |
|
#ifdef ENABLE_WALLET |
|
if (!GetBoolArg("-disablewallet", false)) |
|
return InitError("-sysperms is not allowed in combination with enabled wallet functionality"); |
|
#endif |
|
} else { |
|
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 |
|
|
|
// ********************************************************* Step 2: parameter interactions |
|
const CChainParams& chainparams = Params(); |
|
|
|
// also see: InitParameterInteraction() |
|
|
|
// if using block pruning, then disable txindex |
|
if (GetArg("-prune", 0)) { |
|
if (GetBoolArg("-txindex", DEFAULT_TXINDEX)) |
|
return InitError(_("Prune mode is incompatible with -txindex.")); |
|
#ifdef ENABLE_WALLET |
|
if (GetBoolArg("-rescan", false)) { |
|
return InitError(_("Rescans are not possible in pruned mode. You will need to use -reindex which will download the whole blockchain again.")); |
|
} |
|
#endif |
|
} |
|
|
|
// Make sure enough file descriptors are available |
|
int nBind = std::max((int)mapArgs.count("-bind") + (int)mapArgs.count("-whitebind"), 1); |
|
int 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)), 0); |
|
int nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS); |
|
if (nFD < MIN_CORE_FILEDESCRIPTORS) |
|
return InitError(_("Not enough file descriptors available.")); |
|
nMaxConnections = std::min(nFD - MIN_CORE_FILEDESCRIPTORS, 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["-debug"].empty(); |
|
// Special-case: if -debug=0/-nodebug is set, turn off debugging messages |
|
const vector<string>& categories = mapMultiArgs["-debug"]; |
|
if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), 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 (mapArgs.count("-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 (mapArgs.count("-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); |
|
|
|
// 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))); |
|
|
|
// -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; |
|
|
|
fServer = GetBoolArg("-server", false); |
|
|
|
// block pruning; get the amount of disk space (in MiB) to allot for block & undo files |
|
int64_t nSignedPruneTarget = GetArg("-prune", 0) * 1024 * 1024; |
|
if (nSignedPruneTarget < 0) { |
|
return InitError(_("Prune cannot be configured with a negative value.")); |
|
} |
|
nPruneTarget = (uint64_t) nSignedPruneTarget; |
|
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 |
|
bool fDisableWallet = GetBoolArg("-disablewallet", false); |
|
if (!fDisableWallet) |
|
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 (mapArgs.count("-minrelaytxfee")) |
|
{ |
|
CAmount n = 0; |
|
if (ParseMoney(mapArgs["-minrelaytxfee"], n) && n > 0) |
|
::minRelayTxFee = CFeeRate(n); |
|
else |
|
return InitError(AmountErrMsg("minrelaytxfee", mapArgs["-minrelaytxfee"])); |
|
} |
|
|
|
fRequireStandard = !GetBoolArg("-acceptnonstdtxn", !Params().RequireStandard()); |
|
if (Params().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 // ENABLE_WALLET |
|
|
|
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); |
|
|
|
nMaxTipAge = GetArg("-maxtipage", DEFAULT_MAX_TIP_AGE); |
|
|
|
fEnableReplacement = GetBoolArg("-mempoolreplacement", DEFAULT_ENABLE_REPLACEMENT); |
|
if ((!fEnableReplacement) && mapArgs.count("-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["-bip9params"].empty()) { |
|
// Allow overriding BIP9 parameters for testing |
|
if (!Params().MineBlocksOnDemand()) { |
|
return InitError("BIP9 parameters may only be overridden on regtest."); |
|
} |
|
const vector<string>& deployments = mapMultiArgs["-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])); |
|
} |
|
} |
|
} |
|
|
|
// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log |
|
|
|
// 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))); |
|
|
|
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))); |
|
} 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())); |
|
} |
|
|
|
#ifndef WIN32 |
|
CreatePidFile(GetPidFile(), getpid()); |
|
#endif |
|
if (GetBoolArg("-shrinkdebugfile", !fDebug)) |
|
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", strDataDir); |
|
LogPrintf("Using config file %s\n", GetConfigFile().string()); |
|
LogPrintf("Using at most %i connections (%i file descriptors available)\n", nMaxConnections, nFD); |
|
|
|
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 (fServer) |
|
{ |
|
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 (!fDisableWallet) { |
|
if (!CWallet::Verify()) |
|
return false; |
|
} // (!fDisableWallet) |
|
#endif // ENABLE_WALLET |
|
// ********************************************************* Step 6: network initialization |
|
|
|
RegisterNodeSignals(GetNodeSignals()); |
|
|
|
// sanitize comments per BIP-0014, format user agent and check total size |
|
std::vector<string> uacomments; |
|
BOOST_FOREACH(string cmt, mapMultiArgs["-uacomment"]) |
|
{ |
|
if (cmt != SanitizeString(cmt, SAFE_CHARS_UA_COMMENT)) |
|
return InitError(strprintf(_("User Agent comment (%s) contains unsafe characters."), cmt)); |
|
uacomments.push_back(SanitizeString(cmt, SAFE_CHARS_UA_COMMENT)); |
|
} |
|
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 (mapArgs.count("-onlynet")) { |
|
std::set<enum Network> nets; |
|
BOOST_FOREACH(const std::string& snet, mapMultiArgs["-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 (mapArgs.count("-whitelist")) { |
|
BOOST_FOREACH(const std::string& net, mapMultiArgs["-whitelist"]) { |
|
CSubNet subnet; |
|
LookupSubNet(net.c_str(), subnet); |
|
if (!subnet.IsValid()) |
|
return InitError(strprintf(_("Invalid netmask specified in -whitelist: '%s'"), net)); |
|
CNode::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 (mapArgs.count("-bind") || mapArgs.count("-whitebind")) { |
|
BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-bind"]) { |
|
CService addrBind; |
|
if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false)) |
|
return InitError(ResolveErrMsg("bind", strBind)); |
|
fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR)); |
|
} |
|
BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-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(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR | BF_WHITELIST)); |
|
} |
|
} |
|
else { |
|
struct in_addr inaddr_any; |
|
inaddr_any.s_addr = INADDR_ANY; |
|
fBound |= Bind(CService(in6addr_any, GetListenPort()), BF_NONE); |
|
fBound |= Bind(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 (mapArgs.count("-externalip")) { |
|
BOOST_FOREACH(const std::string& strAddr, mapMultiArgs["-externalip"]) { |
|
CService addrLocal; |
|
if (Lookup(strAddr.c_str(), addrLocal, GetListenPort(), fNameLookup) && addrLocal.IsValid()) |
|
AddLocal(addrLocal, LOCAL_MANUAL); |
|
else |
|
return InitError(ResolveErrMsg("externalip", strAddr)); |
|
} |
|
} |
|
|
|
BOOST_FOREACH(const std::string& strDest, mapMultiArgs["-seednode"]) |
|
AddOneShot(strDest); |
|
|
|
#if ENABLE_ZMQ |
|
pzmqNotificationInterface = CZMQNotificationInterface::CreateWithArguments(mapArgs); |
|
|
|
if (pzmqNotificationInterface) { |
|
RegisterValidationInterface(pzmqNotificationInterface); |
|
} |
|
#endif |
|
if (mapArgs.count("-maxuploadtarget")) { |
|
CNode::SetMaxOutboundTarget(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 |
|
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\n", nCoinCacheUsage * (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()) { |
|
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(); |
|
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 (fDisableWallet) { |
|
pwalletMain = NULL; |
|
LogPrintf("Wallet disabled!\n"); |
|
} else { |
|
CWallet::InitLoadWallet(); |
|
if (!pwalletMain) |
|
return false; |
|
} |
|
#else // ENABLE_WALLET |
|
LogPrintf("No wallet support compiled in!\n"); |
|
#endif // !ENABLE_WALLET |
|
|
|
// ********************************************************* 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 (Params().GetConsensus().vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout != 0) { |
|
// Only advertize 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 (mapArgs.count("-blocknotify")) |
|
uiInterface.NotifyBlockTip.connect(BlockNotifyCallback); |
|
|
|
std::vector<boost::filesystem::path> vImportFiles; |
|
if (mapArgs.count("-loadblock")) |
|
{ |
|
BOOST_FOREACH(const std::string& strFile, mapMultiArgs["-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); |
|
|
|
StartNode(threadGroup, scheduler); |
|
|
|
// ********************************************************* Step 12: finished |
|
|
|
SetRPCWarmupFinished(); |
|
uiInterface.InitMessage(_("Done loading")); |
|
|
|
#ifdef ENABLE_WALLET |
|
if (pwalletMain) { |
|
// Run a thread to flush wallet periodically |
|
threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(pwalletMain->strWalletFile))); |
|
} |
|
#endif |
|
|
|
return !fRequestShutdown; |
|
}
|
|
|