diff options
Diffstat (limited to 'src/init.cpp')
| -rw-r--r-- | src/init.cpp | 252 |
1 files changed, 153 insertions, 99 deletions
diff --git a/src/init.cpp b/src/init.cpp index 9ac69b7d39..23a15b4fd8 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -27,6 +27,7 @@ #include "policy/policy.h" #include "rpc/server.h" #include "rpc/register.h" +#include "rpc/blockchain.h" #include "script/standard.h" #include "script/sigcache.h" #include "scheduler.h" @@ -65,8 +66,6 @@ #include "zmq/zmqnotificationinterface.h" #endif -using namespace std; - bool fFeeEstimatesInitialized = false; static const bool DEFAULT_PROXYRANDOMIZE = true; static const bool DEFAULT_REST_ENABLE = false; @@ -120,10 +119,6 @@ static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat"; // threads that should only be stopped after the main network-processing // threads have exited. // -// Note that if running -daemon the parent process returns from AppInit2 -// before adding any threads to the threadGroup, so .join_all() returns -// immediately and the parent exits from main(). -// // Shutdown for Qt is very similar, only it uses a QTimer to detect // fRequestShutdown getting set, and then does the normal Qt // shutdown thing. @@ -190,7 +185,7 @@ void Shutdown() if (!lockShutdown) return; - /// Note: Shutdown() must be able to handle cases in which AppInit2() failed part of the way, + /// Note: Shutdown() must be able to handle cases in which initialization failed part of the way, /// for example if the data directory was found to be locked. /// Be sure that anything that writes files or flushes caches only does this if the respective /// module was initialized. @@ -271,18 +266,31 @@ void Shutdown() } /** - * Signal handlers are very limited in what they are allowed to do, so: + * Signal handlers are very limited in what they are allowed to do. + * The execution context the handler is invoked in is not guaranteed, + * so we restrict handler operations to just touching variables: */ -void HandleSIGTERM(int) +static void HandleSIGTERM(int) { fRequestShutdown = true; } -void HandleSIGHUP(int) +static void HandleSIGHUP(int) { fReopenDebugLog = true; } +#ifndef WIN32 +static void registerSignalHandler(int signal, void(*handler)(int)) +{ + struct sigaction sa; + sa.sa_handler = handler; + sigemptyset(&sa.sa_mask); + sa.sa_flags = 0; + sigaction(signal, &sa, NULL); +} +#endif + bool static Bind(CConnman& connman, const CService &addr, unsigned int flags) { if (!(flags & BF_EXPLICIT) && IsLimited(addr)) return false; @@ -304,16 +312,16 @@ void OnRPCStopped() uiInterface.NotifyBlockTip.disconnect(&RPCNotifyBlockChange); RPCNotifyBlockChange(false, nullptr); cvBlockChange.notify_all(); - LogPrint("rpc", "RPC stopped.\n"); + LogPrint(BCLog::RPC, "RPC stopped.\n"); } void OnRPCPreCommand(const CRPCCommand& cmd) { // Observe safe mode - string strWarning = GetWarnings("rpc"); + std::string strWarning = GetWarnings("rpc"); if (strWarning != "" && !GetBoolArg("-disablesafemode", DEFAULT_DISABLE_SAFEMODE) && !cmd.okSafeMode) - throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, string("Safe mode: ") + strWarning); + throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, std::string("Safe mode: ") + strWarning); } std::string HelpMessage(HelpMessageMode mode) @@ -322,15 +330,14 @@ std::string HelpMessage(HelpMessageMode mode) // 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:")); + std::string strUsage = HelpMessageGroup(_("Options:")); strUsage += HelpMessageOpt("-?", _("Print this help message and exit")); strUsage += HelpMessageOpt("-version", _("Print version and exit")); 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)")); if (showDebug) strUsage += HelpMessageOpt("-blocksonly", strprintf(_("Whether to operate in a blocks only mode (default: %u)"), DEFAULT_BLOCKSONLY)); - strUsage += HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), DEFAULT_CHECKBLOCKS)); - strUsage += HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), DEFAULT_CHECKLEVEL)); + strUsage +=HelpMessageOpt("-assumevalid=<hex>", strprintf(_("If this block is in the chain assume that it and its ancestors are valid and potentially skip their script verification (0 to verify all, default: %s, testnet: %s)"), Params(CBaseChainParams::MAIN).GetConsensus().defaultAssumeValid.GetHex(), Params(CBaseChainParams::TESTNET).GetConsensus().defaultAssumeValid.GetHex())); strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), BITCOIN_CONF_FILENAME)); if (mode == HMM_BITCOIND) { @@ -346,6 +353,7 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-maxorphantx=<n>", strprintf(_("Keep at most <n> unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS)); strUsage += HelpMessageOpt("-maxmempool=<n>", strprintf(_("Keep the transaction memory pool below <n> megabytes (default: %u)"), DEFAULT_MAX_MEMPOOL_SIZE)); strUsage += HelpMessageOpt("-mempoolexpiry=<n>", strprintf(_("Do not keep transactions in the mempool longer than <n> hours (default: %u)"), DEFAULT_MEMPOOL_EXPIRY)); + strUsage += HelpMessageOpt("-blockreconstructionextratxn=<n>", strprintf(_("Extra transactions to keep in memory for compact block reconstructions (default: %u)"), DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN)); 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)"), -GetNumCores(), MAX_SCRIPTCHECK_THREADS, DEFAULT_SCRIPTCHECK_THREADS)); #ifndef WIN32 @@ -366,13 +374,13 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-banscore=<n>", strprintf(_("Threshold for disconnecting misbehaving peers (default: %u)"), DEFAULT_BANSCORE_THRESHOLD)); strUsage += HelpMessageOpt("-bantime=<n>", strprintf(_("Number of seconds to keep misbehaving peers from reconnecting (default: %u)"), DEFAULT_MISBEHAVING_BANTIME)); strUsage += HelpMessageOpt("-bind=<addr>", _("Bind to given address and always listen on it. Use [host]:port notation for IPv6")); - strUsage += HelpMessageOpt("-connect=<ip>", _("Connect only to the specified node(s); -noconnect or -connect=0 alone to disable automatic connections")); + strUsage += HelpMessageOpt("-connect=<ip>", _("Connect only to the specified node(s); -connect=0 disables automatic connections")); strUsage += HelpMessageOpt("-discover", _("Discover own IP addresses (default: 1 when listening and no -externalip or -proxy)")); strUsage += HelpMessageOpt("-dns", _("Allow DNS lookups for -addnode, -seednode and -connect") + " " + strprintf(_("(default: %u)"), DEFAULT_NAME_LOOKUP)); - strUsage += HelpMessageOpt("-dnsseed", _("Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect/-noconnect)")); + strUsage += HelpMessageOpt("-dnsseed", _("Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect used)")); strUsage += HelpMessageOpt("-externalip=<ip>", _("Specify your own public address")); strUsage += HelpMessageOpt("-forcednsseed", strprintf(_("Always query for peer addresses via DNS lookup (default: %u)"), DEFAULT_FORCEDNSSEED)); - strUsage += HelpMessageOpt("-listen", _("Accept connections from outside (default: 1 if no -proxy or -connect/-noconnect)")); + strUsage += HelpMessageOpt("-listen", _("Accept connections from outside (default: 1 if no -proxy or -connect)")); strUsage += HelpMessageOpt("-listenonion", strprintf(_("Automatically create Tor hidden service (default: %d)"), DEFAULT_LISTEN_ONION)); strUsage += HelpMessageOpt("-maxconnections=<n>", strprintf(_("Maintain at most <n> connections to peers (default: %u)"), DEFAULT_MAX_PEER_CONNECTIONS)); strUsage += HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXRECEIVEBUFFER)); @@ -385,7 +393,6 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), Params(CBaseChainParams::MAIN).GetDefaultPort(), Params(CBaseChainParams::TESTNET).GetDefaultPort())); 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)"), DEFAULT_PROXYRANDOMIZE)); - strUsage += HelpMessageOpt("-rpcserialversion", strprintf(_("Sets the serialization of raw transaction or block hex returned in non-verbose mode, non-segwit(0) or segwit(1) (default: %d)"), DEFAULT_RPC_SERIALIZE_VERSION)); 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)); strUsage += HelpMessageOpt("-torcontrol=<ip>:<port>", strprintf(_("Tor control port to use if onion listening enabled (default: %s)"), DEFAULT_TOR_CONTROL)); @@ -400,8 +407,6 @@ 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=<IP address or network>", _("Whitelist peers connecting from the given IP address (e.g. 1.2.3.4) or CIDR notated network (e.g. 1.2.3.0/24). Can be specified multiple times.") + " " + _("Whitelisted peers cannot be DoS banned and their transactions are always relayed, even if they are already in the mempool, useful e.g. for a gateway")); - strUsage += HelpMessageOpt("-whitelistrelay", strprintf(_("Accept relayed transactions received from whitelisted peers even when not relaying transactions (default: %d)"), DEFAULT_WHITELISTRELAY)); - strUsage += HelpMessageOpt("-whitelistforcerelay", strprintf(_("Force relay of transactions from whitelisted peers even if they violate local relay policy (default: %d)"), DEFAULT_WHITELISTFORCERELAY)); strUsage += HelpMessageOpt("-maxuploadtarget=<n>", strprintf(_("Tries to keep outbound traffic under the given target (in MiB per 24h), 0 = no limit (default: %d)"), DEFAULT_MAX_UPLOAD_TARGET)); #ifdef ENABLE_WALLET @@ -420,6 +425,8 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-uacomment=<cmt>", _("Append comment to the user agent string")); if (showDebug) { + strUsage += HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), DEFAULT_CHECKBLOCKS)); + strUsage += HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), DEFAULT_CHECKLEVEL)); strUsage += HelpMessageOpt("-checkblockindex", strprintf("Do a full consistency check for mapBlockIndex, setBlockIndexCandidates, chainActive and mapBlocksUnlinked occasionally. Also sets -checkmempool (default: %u)", Params(CBaseChainParams::MAIN).DefaultConsistencyChecks())); strUsage += HelpMessageOpt("-checkmempool=<n>", strprintf("Run checks every <n> transactions (default: %u)", Params(CBaseChainParams::MAIN).DefaultConsistencyChecks())); strUsage += HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", DEFAULT_CHECKPOINTS_ENABLED)); @@ -434,11 +441,8 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-limitdescendantsize=<n>", strprintf("Do not accept transactions if any ancestor would have more than <n> kilobytes of in-mempool descendants (default: %u).", DEFAULT_DESCENDANT_SIZE_LIMIT)); strUsage += HelpMessageOpt("-bip9params=deployment:start:end", "Use given start/end times for specified BIP9 deployment (regtest-only)"); } - string debugCategories = "addrman, alert, bench, cmpctblock, coindb, db, http, libevent, lock, mempool, mempoolrej, net, proxy, prune, rand, reindex, rpc, selectcoins, tor, zmq"; // Don't translate these and qt below - if (mode == HMM_BITCOIN_QT) - debugCategories += ", qt"; strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " + - _("If <category> is not supplied or if <category> = 1, output all debugging information.") + _("<category> can be:") + " " + debugCategories + "."); + _("If <category> is not supplied or if <category> = 1, output all debugging information.") + " " + _("<category> can be:") + " " + ListLogCategories() + "."); 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)")); @@ -448,49 +452,53 @@ std::string HelpMessage(HelpMessageMode mode) { 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("-printpriority", strprintf("Log transaction 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) + if (showDebug) { strUsage += HelpMessageOpt("-acceptnonstdtxn", strprintf("Relay and mine \"non-standard\" transactions (%sdefault: %u)", "testnet/regtest only; ", !Params(CBaseChainParams::TESTNET).RequireStandard())); + strUsage += HelpMessageOpt("-incrementalrelayfee=<amt>", strprintf("Fee rate (in %s/kB) used to define cost of relay, used for mempool limiting and BIP 125 replacement. (default: %s)", CURRENCY_UNIT, FormatMoney(DEFAULT_INCREMENTAL_RELAY_FEE))); + strUsage += HelpMessageOpt("-dustrelayfee=<amt>", strprintf("Fee rate (in %s/kB) used to defined dust, the value of an output such that it will cost about 1/3 of its value in fees at this fee rate to spend it. (default: %s)", CURRENCY_UNIT, FormatMoney(DUST_RELAY_TX_FEE))); + } strUsage += HelpMessageOpt("-bytespersigop", strprintf(_("Equivalent bytes per sigop in transactions for relay and mining (default: %u)"), DEFAULT_BYTES_PER_SIGOP)); strUsage += HelpMessageOpt("-datacarrier", strprintf(_("Relay and mine data carrier transactions (default: %u)"), DEFAULT_ACCEPT_DATACARRIER)); strUsage += HelpMessageOpt("-datacarriersize", strprintf(_("Maximum size of data in data carrier transactions we relay and mine (default: %u)"), MAX_OP_RETURN_RELAY)); strUsage += HelpMessageOpt("-mempoolreplacement", strprintf(_("Enable transaction replacement in the memory pool (default: %u)"), DEFAULT_ENABLE_REPLACEMENT)); + strUsage += 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("-whitelistrelay", strprintf(_("Accept relayed transactions received from whitelisted peers even when not relaying transactions (default: %d)"), DEFAULT_WHITELISTRELAY)); + strUsage += HelpMessageOpt("-whitelistforcerelay", strprintf(_("Force relay of transactions from whitelisted peers even if they violate local relay policy (default: %d)"), DEFAULT_WHITELISTFORCERELAY)); strUsage += HelpMessageGroup(_("Block creation options:")); strUsage += HelpMessageOpt("-blockmaxweight=<n>", strprintf(_("Set maximum BIP141 block weight (default: %d)"), DEFAULT_BLOCK_MAX_WEIGHT)); strUsage += HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE)); - strUsage += HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE)); + strUsage += HelpMessageOpt("-blockmintxfee=<amt>", strprintf(_("Set lowest fee rate (in %s/kB) for transactions to be included in block creation. (default: %s)"), CURRENCY_UNIT, FormatMoney(DEFAULT_BLOCK_MIN_TX_FEE))); if (showDebug) strUsage += HelpMessageOpt("-blockversion=<n>", "Override block version to test forking scenarios"); strUsage += HelpMessageGroup(_("RPC server options:")); strUsage += HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands")); strUsage += HelpMessageOpt("-rest", strprintf(_("Accept public REST requests (default: %u)"), DEFAULT_REST_ENABLE)); - strUsage += HelpMessageOpt("-rpcbind=<addr>", _("Bind to given address to listen for JSON-RPC connections. Use [host]:port notation for IPv6. This option can be specified multiple times (default: bind to all interfaces)")); + strUsage += HelpMessageOpt("-rpcbind=<addr>[:port]", _("Bind to given address to listen for JSON-RPC connections. This option is ignored unless -rpcallowip is also passed. Port is optional and overrides -rpcport. Use [host]:port notation for IPv6. This option can be specified multiple times (default: 127.0.0.1 and ::1 i.e., localhost, or if -rpcallowip has been specified, 0.0.0.0 and :: i.e., all addresses)")); strUsage += HelpMessageOpt("-rpccookiefile=<loc>", _("Location of the auth cookie (default: data dir)")); strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcauth=<userpw>", _("Username and hashed password for JSON-RPC connections. The field <userpw> comes in the format: <USERNAME>:<SALT>$<HASH>. A canonical python script is included in share/rpcuser. The client then connects normally using the rpcuser=<USERNAME>/rpcpassword=<PASSWORD> pair of arguments. This option can be specified multiple times")); strUsage += HelpMessageOpt("-rpcport=<port>", strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), BaseParams(CBaseChainParams::MAIN).RPCPort(), BaseParams(CBaseChainParams::TESTNET).RPCPort())); strUsage += HelpMessageOpt("-rpcallowip=<ip>", _("Allow JSON-RPC connections from specified source. Valid for <ip> are a single IP (e.g. 1.2.3.4), a network/netmask (e.g. 1.2.3.4/255.255.255.0) or a network/CIDR (e.g. 1.2.3.4/24). This option can be specified multiple times")); + strUsage += HelpMessageOpt("-rpcserialversion", strprintf(_("Sets the serialization of raw transaction or block hex returned in non-verbose mode, non-segwit(0) or segwit(1) (default: %d)"), DEFAULT_RPC_SERIALIZE_VERSION)); 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)); @@ -570,15 +578,14 @@ struct CImportingNow // works correctly. void CleanupBlockRevFiles() { - using namespace boost::filesystem; - map<string, path> mapBlockFiles; + std::map<std::string, boost::filesystem::path> mapBlockFiles; // Glob all blk?????.dat and rev?????.dat files from the blocks directory. // Remove the rev files immediately and insert the blk file paths into an // ordered map keyed by block file index. LogPrintf("Removing unusable blk?????.dat and rev?????.dat files for -reindex with -prune\n"); - path blocksdir = GetDataDir() / "blocks"; - for (directory_iterator it(blocksdir); it != directory_iterator(); it++) { + boost::filesystem::path blocksdir = GetDataDir() / "blocks"; + for (boost::filesystem::directory_iterator it(blocksdir); it != boost::filesystem::directory_iterator(); it++) { if (is_regular_file(*it) && it->path().filename().string().length() == 12 && it->path().filename().string().substr(8,4) == ".dat") @@ -595,7 +602,7 @@ void CleanupBlockRevFiles() // 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) { + BOOST_FOREACH(const PAIRTYPE(std::string, boost::filesystem::path)& item, mapBlockFiles) { if (atoi(item.first) == nContigCounter) { nContigCounter++; continue; @@ -684,9 +691,15 @@ bool InitSanityCheck(void) InitError("Elliptic curve cryptography sanity check failure. Aborting."); return false; } + if (!glibc_sanity_test() || !glibcxx_sanity_test()) return false; + if (!Random_SanityCheck()) { + InitError("OS cryptographic RNG sanity check failure. Aborting."); + return false; + } + return true; } @@ -798,6 +811,19 @@ ServiceFlags nLocalServices = NODE_NETWORK; } +[[noreturn]] static void new_handler_terminate() +{ + // Rather than throwing std::bad-alloc if allocation fails, terminate + // immediately to (try to) avoid chain corruption. + // Since LogPrintf may itself allocate memory, set the handler directly + // to terminate first. + std::set_new_handler(std::terminate); + LogPrintf("Error: Out of memory. Terminating.\n"); + + // The log was successful, terminate now. + std::terminate(); +}; + bool AppInitBasicSetup() { // ********************************************************* Step 1: setup @@ -833,23 +859,18 @@ bool AppInitBasicSetup() } // 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); + registerSignalHandler(SIGTERM, HandleSIGTERM); + registerSignalHandler(SIGINT, HandleSIGTERM); // 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); + registerSignalHandler(SIGHUP, HandleSIGHUP); // Ignore SIGPIPE, otherwise it will bring the daemon down if the client closes unexpectedly signal(SIGPIPE, SIG_IGN); #endif + + std::set_new_handler(new_handler_terminate); + return true; } @@ -885,12 +906,19 @@ bool AppInitParameterInteraction() // ********************************************************* Step 3: parameter-to-internal-flags - fDebug = mapMultiArgs.count("-debug"); - // Special-case: if -debug=0/-nodebug is set, turn off debugging messages - if (fDebug) { - const vector<string>& categories = mapMultiArgs.at("-debug"); - if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), string("0")) != categories.end()) - fDebug = false; + if (mapMultiArgs.count("-debug") > 0) { + // Special-case: if -debug=0/-nodebug is set, turn off debugging messages + const std::vector<std::string>& categories = mapMultiArgs.at("-debug"); + + if (!(GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), std::string("0")) != categories.end())) { + for (const auto& cat : categories) { + uint32_t flag; + if (!GetLogCategory(&flag, &cat)) { + InitWarning(strprintf(_("Unsupported logging category %s.\n"), cat)); + } + logCategories |= flag; + } + } } // Check for -debugnet @@ -920,11 +948,26 @@ bool AppInitParameterInteraction() fCheckBlockIndex = GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks()); fCheckpointsEnabled = GetBoolArg("-checkpoints", DEFAULT_CHECKPOINTS_ENABLED); + hashAssumeValid = uint256S(GetArg("-assumevalid", chainparams.GetConsensus().defaultAssumeValid.GetHex())); + if (!hashAssumeValid.IsNull()) + LogPrintf("Assuming ancestors of block %s have valid signatures.\n", hashAssumeValid.GetHex()); + else + LogPrintf("Validating signatures for all blocks.\n"); + // mempool limits int64_t nMempoolSizeMax = GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000; int64_t nMempoolSizeMin = GetArg("-limitdescendantsize", DEFAULT_DESCENDANT_SIZE_LIMIT) * 1000 * 40; if (nMempoolSizeMax < 0 || nMempoolSizeMax < nMempoolSizeMin) return InitError(strprintf(_("-maxmempool must be at least %d MB"), std::ceil(nMempoolSizeMin / 1000000.0))); + // incremental relay fee sets the minimum feerate increase necessary for BIP 125 replacement in the mempool + // and the amount the mempool min fee increases above the feerate of txs evicted due to mempool limiting. + if (IsArgSet("-incrementalrelayfee")) + { + CAmount n = 0; + if (!ParseMoney(GetArg("-incrementalrelayfee", ""), n)) + return InitError(AmountErrMsg("incrementalrelayfee", GetArg("-incrementalrelayfee", ""))); + incrementalRelayFee = CFeeRate(n); + } // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS); @@ -962,19 +1005,43 @@ bool AppInitParameterInteraction() if (nConnectTimeout <= 0) nConnectTimeout = DEFAULT_CONNECT_TIMEOUT; - // Fee-per-kilobyte amount considered the same as "free" + // Fee-per-kilobyte amount required for mempool acceptance and relay // 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 + // 0-fee transactions. It should be set above the real // cost to you of processing a transaction. if (IsArgSet("-minrelaytxfee")) { CAmount n = 0; - if (!ParseMoney(GetArg("-minrelaytxfee", ""), n) || 0 == n) + if (!ParseMoney(GetArg("-minrelaytxfee", ""), n)) { return InitError(AmountErrMsg("minrelaytxfee", GetArg("-minrelaytxfee", ""))); + } // High fee check is done afterward in CWallet::ParameterInteraction() ::minRelayTxFee = CFeeRate(n); + } else if (incrementalRelayFee > ::minRelayTxFee) { + // Allow only setting incrementalRelayFee to control both + ::minRelayTxFee = incrementalRelayFee; + LogPrintf("Increasing minrelaytxfee to %s to match incrementalrelayfee\n",::minRelayTxFee.ToString()); + } + + // Sanity check argument for min fee for including tx in block + // TODO: Harmonize which arguments need sanity checking and where that happens + if (IsArgSet("-blockmintxfee")) + { + CAmount n = 0; + if (!ParseMoney(GetArg("-blockmintxfee", ""), n)) + return InitError(AmountErrMsg("blockmintxfee", GetArg("-blockmintxfee", ""))); + } + + // Feerate used to define dust. Shouldn't be changed lightly as old + // implementations may inadvertently create non-standard transactions + if (IsArgSet("-dustrelayfee")) + { + CAmount n = 0; + if (!ParseMoney(GetArg("-dustrelayfee", ""), n) || 0 == n) + return InitError(AmountErrMsg("dustrelayfee", GetArg("-dustrelayfee", ""))); + dustRelayFee = CFeeRate(n); } fRequireStandard = !GetBoolArg("-acceptnonstdtxn", !chainparams.RequireStandard()); @@ -1019,7 +1086,7 @@ bool AppInitParameterInteraction() if (!chainparams.MineBlocksOnDemand()) { return InitError("BIP9 parameters may only be overridden on regtest."); } - const vector<string>& deployments = mapMultiArgs.at("-bip9params"); + const std::vector<std::string>& deployments = mapMultiArgs.at("-bip9params"); for (auto i : deployments) { std::vector<std::string> vDeploymentParams; boost::split(vDeploymentParams, i, boost::is_any_of(":")); @@ -1105,8 +1172,11 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) #ifndef WIN32 CreatePidFile(GetPidFile(), getpid()); #endif - if (GetBoolArg("-shrinkdebugfile", !fDebug)) + if (GetBoolArg("-shrinkdebugfile", logCategories != BCLog::NONE)) { + // Do this first since it both loads a bunch of debug.log into memory, + // and because this needs to happen before any other debug.log printing ShrinkDebugFile(); + } if (fPrintToDebugLog) OpenDebugLog(); @@ -1164,9 +1234,9 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) RegisterNodeSignals(GetNodeSignals()); // sanitize comments per BIP-0014, format user agent and check total size - std::vector<string> uacomments; + std::vector<std::string> uacomments; if (mapMultiArgs.count("-uacomment")) { - BOOST_FOREACH(string cmt, mapMultiArgs.at("-uacomment")) + BOOST_FOREACH(std::string cmt, mapMultiArgs.at("-uacomment")) { if (cmt != SanitizeString(cmt, SAFE_CHARS_UA_COMMENT)) return InitError(strprintf(_("User Agent comment (%s) contains unsafe characters."), cmt)); @@ -1204,16 +1274,23 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) } } + // Check for host lookup allowed before parsing any network related parameters + fNameLookup = GetBoolArg("-dns", DEFAULT_NAME_LOOKUP); + 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); + CService proxyAddr; + if (!Lookup(proxyArg.c_str(), proxyAddr, 9050, fNameLookup)) { + return InitError(strprintf(_("Invalid -proxy address or hostname: '%s'"), proxyArg)); + } + + proxyType addrProxy = proxyType(proxyAddr, proxyRandomize); if (!addrProxy.IsValid()) - return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg)); + return InitError(strprintf(_("Invalid -proxy address or hostname: '%s'"), proxyArg)); SetProxy(NET_IPV4, addrProxy); SetProxy(NET_IPV6, addrProxy); @@ -1230,10 +1307,13 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) 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); + CService onionProxy; + if (!Lookup(onionArg.c_str(), onionProxy, 9050, fNameLookup)) { + return InitError(strprintf(_("Invalid -onion address or hostname: '%s'"), onionArg)); + } + proxyType addrOnion = proxyType(onionProxy, proxyRandomize); if (!addrOnion.IsValid()) - return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg)); + return InitError(strprintf(_("Invalid -onion address or hostname: '%s'"), onionArg)); SetProxy(NET_TOR, addrOnion); SetLimited(NET_TOR, false); } @@ -1242,7 +1322,6 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) // 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) { @@ -1309,32 +1388,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) 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; - } - } + boost::filesystem::create_directories(GetDataDir() / "blocks"); // cache size calculations int64_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20); @@ -1442,7 +1496,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) break; } } catch (const std::exception& e) { - if (fDebug) LogPrintf("%s\n", e.what()); + LogPrintf("%s\n", e.what()); strLoadError = _("Error opening block database"); break; } @@ -1509,7 +1563,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) } if (chainparams.GetConsensus().vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout != 0) { - // Only advertize witness capabilities if they have a reasonable start time. + // Only advertise witness capabilities if they have a reasonable start time. // This allows us to have the code merged without a defined softfork, by setting its // end time to 0. // Note that setting NODE_WITNESS is never required: the only downside from not @@ -1593,7 +1647,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) #ifdef ENABLE_WALLET if (pwalletMain) - pwalletMain->postInitProcess(threadGroup); + pwalletMain->postInitProcess(scheduler); #endif return !fRequestShutdown; |