diff options
Diffstat (limited to 'src/init.cpp')
| -rw-r--r-- | src/init.cpp | 351 |
1 files changed, 246 insertions, 105 deletions
diff --git a/src/init.cpp b/src/init.cpp index 53e521983..b9510bec9 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -13,12 +13,14 @@ #include "amount.h" #include "checkpoints.h" #include "compat/sanity.h" +#include "consensus/validation.h" #include "key.h" #include "main.h" #include "miner.h" #include "net.h" #include "rpcserver.h" #include "script/standard.h" +#include "scheduler.h" #include "txdb.h" #include "ui_interface.h" #include "util.h" @@ -38,7 +40,9 @@ #include <boost/algorithm/string/predicate.hpp> #include <boost/algorithm/string/replace.hpp> +#include <boost/bind.hpp> #include <boost/filesystem.hpp> +#include <boost/function.hpp> #include <boost/interprocess/sync/file_lock.hpp> #include <boost/thread.hpp> #include <openssl/crypto.h> @@ -52,7 +56,7 @@ bool fFeeEstimatesInitialized = false; #ifdef WIN32 // Win32 LevelDB doesn't use filedescriptors, and the ones used for -// accessing block files, don't count towards to fd_set size limit +// accessing block files don't count towards the fd_set size limit // anyway. #define MIN_CORE_FILEDESCRIPTORS 0 #else @@ -68,7 +72,7 @@ enum BindFlags { }; static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat"; -CClientUIInterface uiInterface; +CClientUIInterface uiInterface; // Declared but not defined in ui_interface.h ////////////////////////////////////////////////////////////////////////////// // @@ -123,7 +127,7 @@ public: LogPrintf("Error reading from database: %s\n", e.what()); // Starting the shutdown sequence and returning false to the caller would be // interpreted as 'entry not found' (as opposed to unable to read data), and - // could lead to invalid interpration. Just exit immediately, as we can't + // could lead to invalid interpretation. Just exit immediately, as we can't // continue anyway, and all writes should be atomic. abort(); } @@ -152,8 +156,8 @@ void Shutdown() #ifdef ENABLE_WALLET if (pwalletMain) pwalletMain->Flush(false); - GenerateBitcoins(false, NULL, 0); #endif + GenerateBitcoins(false, 0, Params()); StopNode(); UnregisterNodeSignals(GetNodeSignals()); @@ -187,13 +191,18 @@ void Shutdown() pwalletMain->Flush(true); #endif #ifndef WIN32 - boost::filesystem::remove(GetPidFile()); + try { + boost::filesystem::remove(GetPidFile()); + } catch (const boost::filesystem::filesystem_error& e) { + LogPrintf("%s: Unable to remove pidfile: %s\n", __func__, e.what()); + } #endif UnregisterAllValidationInterfaces(); #ifdef ENABLE_WALLET delete pwalletMain; pwalletMain = NULL; #endif + ECC_Stop(); LogPrintf("%s: done\n", __func__); } @@ -242,11 +251,6 @@ void OnRPCStopped() void OnRPCPreCommand(const CRPCCommand& cmd) { -#ifdef ENABLE_WALLET - if (cmd.reqWallet && !pwalletMain) - throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Method not found (disabled)"); -#endif - // Observe safe mode string strWarning = GetWarnings("rpc"); if (strWarning != "" && !GetBoolArg("-disablesafemode", false) && @@ -256,10 +260,13 @@ void OnRPCPreCommand(const CRPCCommand& cmd) std::string HelpMessage(HelpMessageMode mode) { + const bool showDebug = GetBoolArg("-help-debug", false); // When adding new options to the categories, please keep and ensure alphabetical ordering. + // Do not translate _(...) -help-debug options, Many technical terms, and only a very small audience, so is unnecessary stress to translators. string strUsage = HelpMessageGroup(_("Options:")); strUsage += HelpMessageOpt("-?", _("This help message")); + strUsage += HelpMessageOpt("-alerts", strprintf(_("Receive and display P2P network alerts (default: %u)"), DEFAULT_ALERTS)); 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)")); strUsage += HelpMessageOpt("-blocknotify=<cmd>", _("Execute command when the best block changes (%s in cmd is replaced by block hash)")); strUsage += HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), 288)); @@ -280,7 +287,10 @@ std::string HelpMessage(HelpMessageMode mode) #ifndef WIN32 strUsage += HelpMessageOpt("-pid=<file>", strprintf(_("Specify pid file (default: %s)"), "bitcoind.pid")); #endif - strUsage += HelpMessageOpt("-reindex", _("Rebuild block chain index from current blk000??.dat files") + " " + _("on startup")); + strUsage += HelpMessageOpt("-prune=<n>", strprintf(_("Reduce storage requirements by pruning (deleting) old blocks. This mode disables wallet support and is incompatible with -txindex. " + "Warning: Reverting this setting requires re-downloading the entire blockchain. " + "(default: 0 = disable pruning blocks, >%u = target size in MiB to use for block files)"), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024)); + strUsage += HelpMessageOpt("-reindex", _("Rebuild block chain index from current blk000??.dat files on startup")); #if !defined(WIN32) strUsage += HelpMessageOpt("-sysperms", _("Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)")); #endif @@ -306,11 +316,12 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), 1)); strUsage += HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), 8333, 18333)); strUsage += HelpMessageOpt("-proxy=<ip:port>", _("Connect through SOCKS5 proxy")); + strUsage += HelpMessageOpt("-proxyrandomize", strprintf(_("Randomize credentials for every proxy connection. This enables Tor stream isolation (default: %u)"), 1)); strUsage += HelpMessageOpt("-seednode=<ip>", _("Connect to a node to retrieve peer addresses, and disconnect")); strUsage += HelpMessageOpt("-timeout=<n>", strprintf(_("Specify connection timeout in milliseconds (minimum: 1, default: %d)"), DEFAULT_CONNECT_TIMEOUT)); #ifdef USE_UPNP #if USE_UPNP - strUsage += HelpMessageOpt("-upnp", _("Use UPnP to map the listening port (default: 1 when listening)")); + strUsage += HelpMessageOpt("-upnp", _("Use UPnP to map the listening port (default: 1 when listening and no -proxy)")); #else strUsage += HelpMessageOpt("-upnp", strprintf(_("Use UPnP to map the listening port (default: %u)"), 0)); #endif @@ -318,22 +329,21 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-whitebind=<addr>", _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6")); strUsage += HelpMessageOpt("-whitelist=<netmask>", _("Whitelist peers connecting from the given netmask or IP address. 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")); - #ifdef ENABLE_WALLET strUsage += HelpMessageGroup(_("Wallet options:")); strUsage += HelpMessageOpt("-disablewallet", _("Do not load the wallet and disable wallet RPC calls")); strUsage += HelpMessageOpt("-keypool=<n>", strprintf(_("Set key pool size to <n> (default: %u)"), 100)); - if (GetBoolArg("-help-debug", false)) - strUsage += HelpMessageOpt("-mintxfee=<amt>", strprintf(_("Fees (in BTC/Kb) smaller than this are considered zero fee for transaction creation (default: %s)"), + if (showDebug) + strUsage += HelpMessageOpt("-mintxfee=<amt>", strprintf("Fees (in BTC/Kb) smaller than this are considered zero fee for transaction creation (default: %s)", FormatMoney(CWallet::minTxFee.GetFeePerK()))); strUsage += HelpMessageOpt("-paytxfee=<amt>", strprintf(_("Fee (in BTC/kB) to add to transactions you send (default: %s)"), FormatMoney(payTxFee.GetFeePerK()))); strUsage += HelpMessageOpt("-rescan", _("Rescan the block chain for missing wallet transactions") + " " + _("on startup")); strUsage += HelpMessageOpt("-salvagewallet", _("Attempt to recover private keys from a corrupt wallet.dat") + " " + _("on startup")); strUsage += HelpMessageOpt("-sendfreetransactions", strprintf(_("Send transactions as zero-fee transactions if possible (default: %u)"), 0)); strUsage += HelpMessageOpt("-spendzeroconfchange", strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), 1)); - strUsage += HelpMessageOpt("-txconfirmtarget=<n>", strprintf(_("If paytxfee is not set, include enough fee so transactions begin confirmation on average within n blocks (default: %u)"), 1)); - strUsage += HelpMessageOpt("-maxtxfee=<amt>", strprintf(_("Maximum total fees to use in a single wallet transaction, setting too low may abort large transactions (default: %s)"), + strUsage += HelpMessageOpt("-txconfirmtarget=<n>", strprintf(_("If paytxfee is not set, include enough fee so transactions begin confirmation on average within n blocks (default: %u)"), DEFAULT_TX_CONFIRM_TARGET)); + strUsage += HelpMessageOpt("-maxtxfee=<amt>", strprintf(_("Maximum total fees to use in a single wallet transaction; setting this too low may abort large transactions (default: %s)"), FormatMoney(maxTxFee))); strUsage += HelpMessageOpt("-upgradewallet", _("Upgrade wallet to latest format") + " " + _("on startup")); strUsage += HelpMessageOpt("-wallet=<file>", _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), "wallet.dat")); @@ -341,48 +351,44 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-walletnotify=<cmd>", _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)")); strUsage += HelpMessageOpt("-zapwallettxes=<mode>", _("Delete all wallet transactions and only recover those parts of the blockchain through -rescan on startup") + " " + _("(1 = keep tx meta data e.g. account owner and payment request information, 2 = drop tx meta data)")); - #endif strUsage += HelpMessageGroup(_("Debugging/Testing options:")); - if (GetBoolArg("-help-debug", false)) + if (showDebug) { - strUsage += HelpMessageOpt("-checkpoints", strprintf(_("Only accept block chain matching built-in checkpoints (default: %u)"), 1)); - strUsage += HelpMessageOpt("-dblogsize=<n>", strprintf(_("Flush database activity from memory pool to disk log every <n> megabytes (default: %u)"), 100)); - strUsage += HelpMessageOpt("-disablesafemode", strprintf(_("Disable safemode, override a real safe mode event (default: %u)"), 0)); - strUsage += HelpMessageOpt("-testsafemode", strprintf(_("Force safe mode (default: %u)"), 0)); - 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("-flushwallet", strprintf(_("Run a thread to flush wallet periodically (default: %u)"), 1)); - strUsage += HelpMessageOpt("-stopafterblockimport", strprintf(_("Stop running after importing blocks from disk (default: %u)"), 0)); + strUsage += HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", 1)); + strUsage += HelpMessageOpt("-dblogsize=<n>", strprintf("Flush database activity from memory pool to disk log every <n> megabytes (default: %u)", 100)); + strUsage += HelpMessageOpt("-disablesafemode", strprintf("Disable safemode, override a real safe mode event (default: %u)", 0)); + strUsage += HelpMessageOpt("-testsafemode", strprintf("Force safe mode (default: %u)", 0)); + 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("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", 1)); + strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", 0)); } - string debugCategories = "addrman, alert, bench, coindb, db, lock, rand, rpc, selectcoins, mempool, net"; // Don't translate these and qt below + string debugCategories = "addrman, alert, bench, coindb, db, lock, rand, rpc, selectcoins, mempool, net, proxy, prune"; // 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, output all debugging information.") + _("<category> can be:") + " " + debugCategories + "."); -#ifdef ENABLE_WALLET + _("If <category> is not supplied or if <category> = 1, output all debugging information.") + _("<category> can be:") + " " + debugCategories + "."); strUsage += HelpMessageOpt("-gen", strprintf(_("Generate coins (default: %u)"), 0)); strUsage += HelpMessageOpt("-genproclimit=<n>", strprintf(_("Set the number of threads for coin generation if enabled (-1 = all cores, default: %d)"), 1)); -#endif strUsage += HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)")); strUsage += HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), 0)); strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), 1)); - if (GetBoolArg("-help-debug", false)) + if (showDebug) { - strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf(_("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default:%u)"), 15)); - strUsage += HelpMessageOpt("-relaypriority", strprintf(_("Require high priority for relaying free or low-fee transactions (default:%u)"), 1)); - strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf(_("Limit size of signature cache to <n> entries (default: %u)"), 50000)); + strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default: %u)", 15)); + strUsage += HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", 1)); + strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> entries (default: %u)", 50000)); } strUsage += HelpMessageOpt("-minrelaytxfee=<amt>", strprintf(_("Fees (in BTC/Kb) smaller than this are considered zero fee for relaying (default: %s)"), FormatMoney(::minRelayTxFee.GetFeePerK()))); strUsage += HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file")); - if (GetBoolArg("-help-debug", false)) + if (showDebug) { - strUsage += HelpMessageOpt("-printpriority", strprintf(_("Log transaction priority and fee per kB when mining blocks (default: %u)"), 0)); - strUsage += HelpMessageOpt("-privdb", strprintf(_("Sets the DB_PRIVATE flag in the wallet db environment (default: %u)"), 1)); - strUsage += HelpMessageOpt("-regtest", _("Enter regression test mode, which uses a special chain in which blocks can be solved instantly.") + " " + - _("This is intended for regression testing tools and app development.") + " " + - _("In this mode -genproclimit controls how many blocks are generated immediately.")); + strUsage += HelpMessageOpt("-printpriority", strprintf("Log transaction priority and fee per kB when mining blocks (default: %u)", 0)); + strUsage += HelpMessageOpt("-privdb", strprintf("Sets the DB_PRIVATE flag in the wallet db environment (default: %u)", 1)); + strUsage += HelpMessageOpt("-regtest", "Enter regression test mode, which uses a special chain in which blocks can be solved instantly. " + "This is intended for regression testing tools and app development."); } strUsage += HelpMessageOpt("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)")); strUsage += HelpMessageOpt("-testnet", _("Use the test network")); @@ -395,6 +401,8 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-blockminsize=<n>", strprintf(_("Set minimum block size in bytes (default: %u)"), 0)); 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>", strprintf("Override block version to test forking scenarios (default: %d)", (int)CBlock::CURRENT_VERSION)); strUsage += HelpMessageGroup(_("RPC server options:")); strUsage += HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands")); @@ -416,8 +424,8 @@ std::string HelpMessage(HelpMessageMode mode) if (mode == HMM_BITCOIN_QT) { strUsage += HelpMessageGroup(_("UI Options:")); - if (GetBoolArg("-help-debug", false)) { - strUsage += HelpMessageOpt("-allowselfsignedrootcertificates", _("Allow self signed root certificates (default: 0)")); + if (showDebug) { + strUsage += HelpMessageOpt("-allowselfsignedrootcertificates", "Allow self signed root certificates (default: 0)"); } strUsage += HelpMessageOpt("-choosedatadir", _("Choose data directory on startup (default: 0)")); strUsage += HelpMessageOpt("-lang=<lang>", _("Set language, for example \"de_DE\" (default: system locale)")); @@ -462,10 +470,52 @@ struct CImportingNow } }; + +// 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) { RenameThread("bitcoin-loadblk"); - // -reindex if (fReindex) { CImportingNow imp; @@ -504,7 +554,7 @@ void ThreadImport(std::vector<boost::filesystem::path> vImportFiles) } // -loadblock= - BOOST_FOREACH(boost::filesystem::path &path, vImportFiles) { + BOOST_FOREACH(const boost::filesystem::path& path, vImportFiles) { FILE *file = fopen(path.string().c_str(), "rb"); if (file) { CImportingNow imp; @@ -541,7 +591,7 @@ bool InitSanityCheck(void) /** Initialize bitcoin. * @pre Parameters should be parsed and config file should be read. */ -bool AppInit2(boost::thread_group& threadGroup) +bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler) { // ********************************************************* Step 1: setup #ifdef _MSC_VER @@ -607,6 +657,7 @@ bool AppInit2(boost::thread_group& threadGroup) #endif // ********************************************************* Step 2: parameter interactions + const CChainParams& chainparams = Params(); // Set this early so that parameter interactions go to console fPrintToConsole = GetBoolArg("-printtoconsole", false); @@ -636,6 +687,10 @@ bool AppInit2(boost::thread_group& threadGroup) // 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__); @@ -677,6 +732,17 @@ bool AppInit2(boost::thread_group& threadGroup) if (nFD - MIN_CORE_FILEDESCRIPTORS < nMaxConnections) nMaxConnections = nFD - MIN_CORE_FILEDESCRIPTORS; + // if using block pruning, then disable txindex + if (GetArg("-prune", 0)) { + if (GetBoolArg("-txindex", false)) + 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 + } + // ********************************************************* Step 3: parameter-to-internal-flags fDebug = !mapMultiArgs["-debug"].empty(); @@ -699,9 +765,9 @@ bool AppInit2(boost::thread_group& threadGroup) InitWarning(_("Warning: Unsupported argument -benchmark ignored, use -debug=bench.")); // Checkmempool and checkblockindex default to true in regtest mode - mempool.setSanityCheck(GetBoolArg("-checkmempool", Params().DefaultConsistencyChecks())); - fCheckBlockIndex = GetBoolArg("-checkblockindex", Params().DefaultConsistencyChecks()); - Checkpoints::fEnabled = GetBoolArg("-checkpoints", true); + mempool.setSanityCheck(GetBoolArg("-checkmempool", chainparams.DefaultConsistencyChecks())); + fCheckBlockIndex = GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks()); + fCheckpointsEnabled = GetBoolArg("-checkpoints", true); // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS); @@ -713,6 +779,21 @@ bool AppInit2(boost::thread_group& threadGroup) nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS; fServer = GetBoolArg("-server", false); + + // block pruning; get the amount of disk space (in MB) 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 MB. 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; + } + #ifdef ENABLE_WALLET bool fDisableWallet = GetBoolArg("-disablewallet", false); #endif @@ -721,12 +802,6 @@ bool AppInit2(boost::thread_group& threadGroup) if (nConnectTimeout <= 0) nConnectTimeout = DEFAULT_CONNECT_TIMEOUT; - // Continue to put "/P2SH/" in the coinbase to monitor - // BIP16 support. - // This can be removed eventually... - const char* pszP2SH = "/P2SH/"; - COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH)); - // Fee-per-kilobyte amount considered the same as "free" // If you are mining, be careful setting this: // if you set it to zero then @@ -779,18 +854,26 @@ bool AppInit2(boost::thread_group& threadGroup) mapArgs["-maxtxfee"], ::minRelayTxFee.ToString())); } } - nTxConfirmTarget = GetArg("-txconfirmtarget", 1); - bSpendZeroConfChange = GetArg("-spendzeroconfchange", true); - fSendFreeTransactions = GetArg("-sendfreetransactions", false); + nTxConfirmTarget = GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET); + bSpendZeroConfChange = GetBoolArg("-spendzeroconfchange", true); + fSendFreeTransactions = GetBoolArg("-sendfreetransactions", false); std::string strWalletFile = GetArg("-wallet", "wallet.dat"); #endif // ENABLE_WALLET - fIsBareMultisigStd = GetArg("-permitbaremultisig", true) != 0; + fIsBareMultisigStd = GetBoolArg("-permitbaremultisig", true); nMaxDatacarrierBytes = GetArg("-datacarriersize", nMaxDatacarrierBytes); + fAlerts = GetBoolArg("-alerts", DEFAULT_ALERTS); + + // Option to startup with mocktime set (used for regression testing): + SetMockTime(GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op + // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log + // Initialize elliptic curve code + ECC_Start(); + // Sanity check if (!InitSanityCheck()) return InitError(_("Initialization sanity check failed. Bitcoin Core is shutting down.")); @@ -805,9 +888,15 @@ bool AppInit2(boost::thread_group& threadGroup) 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); - 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. Bitcoin Core is probably already running."), strDataDir)); + + 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. Bitcoin Core is probably already running."), strDataDir)); + } catch(const boost::interprocess::interprocess_exception& e) { + return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin Core is probably already running.") + " %s.", strDataDir, e.what())); + } + #ifndef WIN32 CreatePidFile(GetPidFile(), getpid()); #endif @@ -833,6 +922,10 @@ bool AppInit2(boost::thread_group& threadGroup) 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 @@ -856,15 +949,15 @@ bool AppInit2(boost::thread_group& threadGroup) std::string warningString; std::string errorString; - + if (!CWallet::Verify(strWalletFile, warningString, errorString)) return false; - + if (!warningString.empty()) InitWarning(warningString); if (!errorString.empty()) return InitError(warningString); - + } // (!fDisableWallet) #endif // ENABLE_WALLET // ********************************************************* Step 6: network initialization @@ -873,7 +966,7 @@ bool AppInit2(boost::thread_group& threadGroup) if (mapArgs.count("-onlynet")) { std::set<enum Network> nets; - BOOST_FOREACH(std::string snet, mapMultiArgs["-onlynet"]) { + 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)); @@ -895,31 +988,36 @@ bool AppInit2(boost::thread_group& threadGroup) } } - CService addrProxy; - bool fProxy = false; - if (mapArgs.count("-proxy")) { - addrProxy = CService(mapArgs["-proxy"], 9050); + bool proxyRandomize = GetBoolArg("-proxyrandomize", true); + // -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", ""); + if (proxyArg != "" && proxyArg != "0") { + proxyType addrProxy = proxyType(CService(proxyArg, 9050), proxyRandomize); if (!addrProxy.IsValid()) - return InitError(strprintf(_("Invalid -proxy address: '%s'"), mapArgs["-proxy"])); + return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg)); SetProxy(NET_IPV4, addrProxy); SetProxy(NET_IPV6, addrProxy); + SetProxy(NET_TOR, addrProxy); SetNameProxy(addrProxy); - fProxy = true; + SetReachable(NET_TOR); // by default, -proxy sets onion as reachable, unless -noonion later } - // -onion can override normal proxy, -noonion disables tor entirely - if (!(mapArgs.count("-onion") && mapArgs["-onion"] == "0") && - (fProxy || mapArgs.count("-onion"))) { - CService addrOnion; - if (!mapArgs.count("-onion")) - addrOnion = addrProxy; - else - addrOnion = CService(mapArgs["-onion"], 9050); - if (!addrOnion.IsValid()) - return InitError(strprintf(_("Invalid -onion address: '%s'"), mapArgs["-onion"])); - SetProxy(NET_TOR, addrOnion); - SetReachable(NET_TOR); + // -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 + SetReachable(NET_TOR, false); // set onions as unreachable + } else { + proxyType addrOnion = proxyType(CService(onionArg, 9050), proxyRandomize); + if (!addrOnion.IsValid()) + return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg)); + SetProxy(NET_TOR, addrOnion); + SetReachable(NET_TOR); + } } // see Step 2: parameter interactions for more information about these @@ -930,13 +1028,13 @@ bool AppInit2(boost::thread_group& threadGroup) bool fBound = false; if (fListen) { if (mapArgs.count("-bind") || mapArgs.count("-whitebind")) { - BOOST_FOREACH(std::string strBind, mapMultiArgs["-bind"]) { + BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-bind"]) { CService addrBind; if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false)) return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind)); fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR)); } - BOOST_FOREACH(std::string strBind, mapMultiArgs["-whitebind"]) { + BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-whitebind"]) { CService addrBind; if (!Lookup(strBind.c_str(), addrBind, 0, false)) return InitError(strprintf(_("Cannot resolve -whitebind address: '%s'"), strBind)); @@ -956,7 +1054,7 @@ bool AppInit2(boost::thread_group& threadGroup) } if (mapArgs.count("-externalip")) { - BOOST_FOREACH(string strAddr, mapMultiArgs["-externalip"]) { + BOOST_FOREACH(const std::string& strAddr, mapMultiArgs["-externalip"]) { CService addrLocal(strAddr, GetListenPort(), fNameLookup); if (!addrLocal.IsValid()) return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr)); @@ -964,7 +1062,7 @@ bool AppInit2(boost::thread_group& threadGroup) } } - BOOST_FOREACH(string strDest, mapMultiArgs["-seednode"]) + BOOST_FOREACH(const std::string& strDest, mapMultiArgs["-seednode"]) AddOneShot(strDest); // ********************************************************* Step 7: load block chain @@ -999,18 +1097,20 @@ bool AppInit2(boost::thread_group& threadGroup) } // cache size calculations - size_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20); - if (nTotalCache < (nMinDbCache << 20)) - nTotalCache = (nMinDbCache << 20); // total cache cannot be less than nMinDbCache - else if (nTotalCache > (nMaxDbCache << 20)) - nTotalCache = (nMaxDbCache << 20); // total cache cannot be greater than nMaxDbCache - size_t nBlockTreeDBCache = nTotalCache / 8; + 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 greated than nMaxDbcache + int64_t nBlockTreeDBCache = nTotalCache / 8; if (nBlockTreeDBCache > (1 << 21) && !GetBoolArg("-txindex", false)) nBlockTreeDBCache = (1 << 21); // block tree db cache shouldn't be larger than 2 MiB nTotalCache -= nBlockTreeDBCache; - size_t nCoinDBCache = nTotalCache / 2; // use half of the remaining cache for coindb cache + int64_t nCoinDBCache = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache nTotalCache -= nCoinDBCache; - nCoinCacheSize = nTotalCache / 300; // coins in memory require around 300 bytes + 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) { @@ -1033,8 +1133,12 @@ bool AppInit2(boost::thread_group& threadGroup) pcoinscatcher = new CCoinsViewErrorCatcher(pcoinsdbview); pcoinsTip = new CCoinsViewCache(pcoinscatcher); - if (fReindex) + 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"); @@ -1043,7 +1147,7 @@ bool AppInit2(boost::thread_group& threadGroup) // 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(Params().HashGenesisBlock()) == 0) + 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) @@ -1058,7 +1162,18 @@ bool AppInit2(boost::thread_group& threadGroup) 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; + } + uiInterface.InitMessage(_("Verifying blocks...")); + if (fHavePruned && GetArg("-checkblocks", 288) > MIN_BLOCKS_TO_KEEP) { + LogPrintf("Prune: pruned datadir may not have more than %d blocks; -checkblocks=%d may fail\n", + MIN_BLOCKS_TO_KEEP, GetArg("-checkblocks", 288)); + } if (!CVerifyDB().VerifyDB(pcoinsdbview, GetArg("-checklevel", 3), GetArg("-checkblocks", 288))) { strLoadError = _("Corrupted block database detected"); @@ -1109,6 +1224,15 @@ bool AppInit2(boost::thread_group& threadGroup) mempool.ReadFeeEstimates(est_filein); fFeeEstimatesInitialized = true; + // if prune mode, unset NODE_NETWORK and prune block files + if (fPruneMode) { + LogPrintf("Unsetting NODE_NETWORK on prune mode\n"); + nLocalServices &= ~NODE_NETWORK; + if (!fReindex) { + PruneAndFlush(); + } + } + // ********************************************************* Step 8: load wallet #ifdef ENABLE_WALLET if (fDisableWallet) { @@ -1211,6 +1335,19 @@ bool AppInit2(boost::thread_group& threadGroup) } if (chainActive.Tip() && chainActive.Tip() != pindexRescan) { + //We can't rescan beyond non-pruned blocks, stop and throw an error + //this might happen if a user uses a old wallet within a pruned node + // or if he ran -disablewallet for a longer time, then decided to re-enable + if (fPruneMode) + { + CBlockIndex *block = chainActive.Tip(); + while (block && block->pprev && (block->pprev->nStatus & BLOCK_HAVE_DATA) && block->pprev->nTx > 0 && pindexRescan != block) + block = block->pprev; + + if (pindexRescan != block) + return InitError(_("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)")); + } + uiInterface.InitMessage(_("Rescanning...")); LogPrintf("Rescanning last %i blocks (from block %i)...\n", chainActive.Height() - pindexRescan->nHeight, pindexRescan->nHeight); nStart = GetTimeMillis(); @@ -1247,13 +1384,14 @@ bool AppInit2(boost::thread_group& threadGroup) pwalletMain->SetBroadcastTransactions(GetBoolArg("-walletbroadcast", true)); } // (!fDisableWallet) #else // ENABLE_WALLET - LogPrintf("No wallet compiled in!\n"); + LogPrintf("No wallet support compiled in!\n"); #endif // !ENABLE_WALLET // ********************************************************* Step 9: import blocks if (mapArgs.count("-blocknotify")) uiInterface.NotifyBlockTip.connect(BlockNotifyCallback); + uiInterface.InitMessage(_("Activating best chain...")); // scan for better chains in the block chain database, that are not yet connected in the active best chain CValidationState state; if (!ActivateBestChain(state)) @@ -1262,7 +1400,7 @@ bool AppInit2(boost::thread_group& threadGroup) std::vector<boost::filesystem::path> vImportFiles; if (mapArgs.count("-loadblock")) { - BOOST_FOREACH(string strFile, mapMultiArgs["-loadblock"]) + BOOST_FOREACH(const std::string& strFile, mapMultiArgs["-loadblock"]) vImportFiles.push_back(strFile); } threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles)); @@ -1291,13 +1429,16 @@ bool AppInit2(boost::thread_group& threadGroup) LogPrintf("mapAddressBook.size() = %u\n", pwalletMain ? pwalletMain->mapAddressBook.size() : 0); #endif - StartNode(threadGroup); + StartNode(threadGroup, scheduler); + + // Monitor the chain, and alert if we get blocks much quicker or slower than expected + int64_t nPowTargetSpacing = Params().GetConsensus().nPowTargetSpacing; + CScheduler::Function f = boost::bind(&PartitionCheck, &IsInitialBlockDownload, + boost::ref(cs_main), boost::cref(pindexBestHeader), nPowTargetSpacing); + scheduler.scheduleEvery(f, nPowTargetSpacing); -#ifdef ENABLE_WALLET // Generate coins in the background - if (pwalletMain) - GenerateBitcoins(GetBoolArg("-gen", false), pwalletMain, GetArg("-genproclimit", 1)); -#endif + GenerateBitcoins(GetBoolArg("-gen", false), GetArg("-genproclimit", 1), Params()); // ********************************************************* Step 11: finished |