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dogecoin/src/init.cpp
Ross Nicoll ce564e381a Merge AuxPoW support from Namecore 
Changes are as below:

Wrap CBlockHeader::nVersion into a new class (CBlockVersion).  This allows to take care of interpreting the field into a base version, auxpow flag and the chain ID.

Update getauxblock.py for new 'generate' RPC call.

Add 'auxpow' to block JSON.

Accept auxpow as PoW verification.

Add unit tests for auxpow verification.

Add check for memory-layout of CBlockVersion.

Weaken auxpow chain ID checks for the testnet.

Allow Params() to overrule when to check the auxpow chain ID and for legacy blocks.  Use this to disable the checks on testnet.

Introduce CPureBlockHeader.

Split the block header part that is used by auxpow and the "real" block header (that uses auxpow) to resolve the cyclic dependency between the two.

Differentiate between uint256 and arith_uint256.

This change was done upstream, modify the auxpow code.

Add missing lock in auxpow_tests.

Fix REST header check for auxpow headers.

Those can be longer, thus take that into account.  Also perform the check actually on an auxpow header.

Correctly set the coinbase for getauxblock results.

Call IncrementExtraNonce in getauxblock so that the coinbase is actually initialised with the stuff it should be.  (BIP30 block height and COINBASE_FLAGS.)

Implement getauxblock plus regression test.

Turn auxpow test into FIXTURE test.

This allows using of the Params() calls.

Move CMerkleTx code to auxpow.cpp.

Otherwise we get linker errors when building without wallet.

Fix rebase with BIP66.

Update the code to handle BIP66's nVersion=3.

Enforce that auxpow parent blocks have no auxpow block version.

This is for compatibility with namecoind.  See also https://github.com/namecoin/namecoin/pull/199.

Move auxpow-related parameters to Consensus::Params.
2019-07-13 22:25:22 +00:00

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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#if defined(HAVE_CONFIG_H)
#include <config/bitcoin-config.h>
#endif
#include <init.h>
#include <addrman.h>
#include <amount.h>
#include <chain.h>
#include <chainparams.h>
#include <checkpoints.h>
#include <compat/sanity.h>
#include <consensus/validation.h>
#include <fs.h>
#include <httpserver.h>
#include <httprpc.h>
#include <index/txindex.h>
#include <key.h>
#include <validation.h>
#include <miner.h>
#include <netbase.h>
#include <net.h>
#include <net_processing.h>
#include <policy/feerate.h>
#include <policy/fees.h>
#include <policy/policy.h>
#include <rpc/auxpow_miner.h>
#include <rpc/mining.h>
#include <rpc/server.h>
#include <rpc/register.h>
#include <rpc/blockchain.h>
#include <script/standard.h>
#include <script/sigcache.h>
#include <scheduler.h>
#include <shutdown.h>
#include <timedata.h>
#include <txdb.h>
#include <txmempool.h>
#include <torcontrol.h>
#include <ui_interface.h>
#include <util.h>
#include <utilmoneystr.h>
#include <validationinterface.h>
#include <warnings.h>
#include <walletinitinterface.h>
#include <stdint.h>
#include <stdio.h>
#ifndef WIN32
#include <signal.h>
#endif
#include <boost/algorithm/string/classification.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/bind.hpp>
#include <boost/interprocess/sync/file_lock.hpp>
#include <boost/thread.hpp>
#include <openssl/crypto.h>
#if ENABLE_ZMQ
#include <zmq/zmqnotificationinterface.h>
#include <zmq/zmqrpc.h>
#endif
bool fFeeEstimatesInitialized = false;
static const bool DEFAULT_PROXYRANDOMIZE = true;
static const bool DEFAULT_REST_ENABLE = false;
static const bool DEFAULT_STOPAFTERBLOCKIMPORT = false;
std::unique_ptr<CConnman> g_connman;
std::unique_ptr<PeerLogicValidation> peerLogic;
#if !(ENABLE_WALLET)
class DummyWalletInit : public WalletInitInterface {
public:
void AddWalletOptions() const override;
bool ParameterInteraction() const override {return true;}
void RegisterRPC(CRPCTable &) const override {}
bool Verify() const override {return true;}
bool Open() const override {LogPrintf("No wallet support compiled in!\n"); return true;}
void Start(CScheduler& scheduler) const override {}
void Flush() const override {}
void Stop() const override {}
void Close() const override {}
};
void DummyWalletInit::AddWalletOptions() const
{
std::vector<std::string> opts = {"-addresstype", "-changetype", "-disablewallet", "-discardfee=<amt>", "-fallbackfee=<amt>",
"-keypool=<n>", "-mintxfee=<amt>", "-paytxfee=<amt>", "-rescan", "-salvagewallet", "-spendzeroconfchange", "-txconfirmtarget=<n>",
"-upgradewallet", "-wallet=<path>", "-walletbroadcast", "-walletdir=<dir>", "-walletnotify=<cmd>", "-walletrbf", "-zapwallettxes=<mode>",
"-dblogsize=<n>", "-flushwallet", "-privdb", "-walletrejectlongchains"};
gArgs.AddHiddenArgs(opts);
}
const WalletInitInterface& g_wallet_init_interface = DummyWalletInit();
#endif
#ifdef WIN32
// Win32 LevelDB doesn't use filedescriptors, and the ones used for
// accessing block files don't count towards the fd_set size limit
// anyway.
#define MIN_CORE_FILEDESCRIPTORS 0
#else
#define MIN_CORE_FILEDESCRIPTORS 150
#endif
static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat";
//////////////////////////////////////////////////////////////////////////////
//
// Shutdown
//
//
// Thread management and startup/shutdown:
//
// The network-processing threads are all part of a thread group
// created by AppInit() or the Qt main() function.
//
// A clean exit happens when StartShutdown() or the SIGTERM
// signal handler sets ShutdownRequested(), which makes main thread's
// WaitForShutdown() interrupts the thread group.
// And then, WaitForShutdown() makes all other on-going threads
// in the thread group join the main thread.
// Shutdown() is then called to clean up database connections, and stop other
// threads that should only be stopped after the main network-processing
// threads have exited.
//
// Shutdown for Qt is very similar, only it uses a QTimer to detect
// ShutdownRequested() getting set, and then does the normal Qt
// shutdown thing.
//
/**
* This is a minimally invasive approach to shutdown on LevelDB read errors from the
* chainstate, while keeping user interface out of the common library, which is shared
* between bitcoind, and bitcoin-qt and non-server tools.
*/
class CCoinsViewErrorCatcher final : public CCoinsViewBacked
{
public:
explicit CCoinsViewErrorCatcher(CCoinsView* view) : CCoinsViewBacked(view) {}
bool GetCoin(const COutPoint &outpoint, Coin &coin) const override {
try {
return CCoinsViewBacked::GetCoin(outpoint, coin);
} catch(const std::runtime_error& e) {
uiInterface.ThreadSafeMessageBox(_("Error reading from database, shutting down."), "", CClientUIInterface::MSG_ERROR);
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 interpretation. Just exit immediately, as we can't
// continue anyway, and all writes should be atomic.
abort();
}
}
// Writes do not need similar protection, as failure to write is handled by the caller.
};
static std::unique_ptr<CCoinsViewErrorCatcher> pcoinscatcher;
static std::unique_ptr<ECCVerifyHandle> globalVerifyHandle;
static boost::thread_group threadGroup;
static CScheduler scheduler;
void Interrupt()
{
InterruptHTTPServer();
InterruptHTTPRPC();
InterruptRPC();
InterruptREST();
InterruptTorControl();
InterruptMapPort();
if (g_connman)
g_connman->Interrupt();
if (g_txindex) {
g_txindex->Interrupt();
}
}
void Shutdown()
{
LogPrintf("%s: In progress...\n", __func__);
static CCriticalSection cs_Shutdown;
TRY_LOCK(cs_Shutdown, lockShutdown);
if (!lockShutdown)
return;
/// 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.
RenameThread("bitcoin-shutoff");
mempool.AddTransactionsUpdated(1);
StopHTTPRPC();
StopREST();
StopRPC();
StopHTTPServer();
g_wallet_init_interface.Flush();
StopMapPort();
// Because these depend on each-other, we make sure that neither can be
// using the other before destroying them.
if (peerLogic) UnregisterValidationInterface(peerLogic.get());
if (g_connman) g_connman->Stop();
if (g_txindex) g_txindex->Stop();
if (g_auxpow_miner != nullptr) {
g_auxpow_miner.reset();
}
StopTorControl();
// After everything has been shut down, but before things get flushed, stop the
// CScheduler/checkqueue threadGroup
threadGroup.interrupt_all();
threadGroup.join_all();
// After the threads that potentially access these pointers have been stopped,
// destruct and reset all to nullptr.
peerLogic.reset();
g_connman.reset();
g_txindex.reset();
if (g_is_mempool_loaded && gArgs.GetArg("-persistmempool", DEFAULT_PERSIST_MEMPOOL)) {
DumpMempool();
}
if (fFeeEstimatesInitialized)
{
::feeEstimator.FlushUnconfirmed();
fs::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
CAutoFile est_fileout(fsbridge::fopen(est_path, "wb"), SER_DISK, CLIENT_VERSION);
if (!est_fileout.IsNull())
::feeEstimator.Write(est_fileout);
else
LogPrintf("%s: Failed to write fee estimates to %s\n", __func__, est_path.string());
fFeeEstimatesInitialized = false;
}
// FlushStateToDisk generates a ChainStateFlushed callback, which we should avoid missing
if (pcoinsTip != nullptr) {
FlushStateToDisk();
}
// After there are no more peers/RPC left to give us new data which may generate
// CValidationInterface callbacks, flush them...
GetMainSignals().FlushBackgroundCallbacks();
// Any future callbacks will be dropped. This should absolutely be safe - if
// missing a callback results in an unrecoverable situation, unclean shutdown
// would too. The only reason to do the above flushes is to let the wallet catch
// up with our current chain to avoid any strange pruning edge cases and make
// next startup faster by avoiding rescan.
{
LOCK(cs_main);
if (pcoinsTip != nullptr) {
FlushStateToDisk();
}
pcoinsTip.reset();
pcoinscatcher.reset();
pcoinsdbview.reset();
pblocktree.reset();
}
g_wallet_init_interface.Stop();
#if ENABLE_ZMQ
if (g_zmq_notification_interface) {
UnregisterValidationInterface(g_zmq_notification_interface);
delete g_zmq_notification_interface;
g_zmq_notification_interface = nullptr;
}
#endif
#ifndef WIN32
try {
fs::remove(GetPidFile());
} catch (const fs::filesystem_error& e) {
LogPrintf("%s: Unable to remove pidfile: %s\n", __func__, e.what());
}
#endif
UnregisterAllValidationInterfaces();
GetMainSignals().UnregisterBackgroundSignalScheduler();
GetMainSignals().UnregisterWithMempoolSignals(mempool);
g_wallet_init_interface.Close();
globalVerifyHandle.reset();
ECC_Stop();
LogPrintf("%s: done\n", __func__);
}
/**
* 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:
*/
#ifndef WIN32
static void HandleSIGTERM(int)
{
StartShutdown();
}
static void HandleSIGHUP(int)
{
g_logger->m_reopen_file = true;
}
#else
static BOOL WINAPI consoleCtrlHandler(DWORD dwCtrlType)
{
StartShutdown();
Sleep(INFINITE);
return true;
}
#endif
#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, nullptr);
}
#endif
static void OnRPCStarted()
{
uiInterface.NotifyBlockTip.connect(&RPCNotifyBlockChange);
}
static void OnRPCStopped()
{
uiInterface.NotifyBlockTip.disconnect(&RPCNotifyBlockChange);
RPCNotifyBlockChange(false, nullptr);
g_best_block_cv.notify_all();
LogPrint(BCLog::RPC, "RPC stopped.\n");
}
void SetupServerArgs()
{
const auto defaultBaseParams = CreateBaseChainParams(CBaseChainParams::MAIN);
const auto testnetBaseParams = CreateBaseChainParams(CBaseChainParams::TESTNET);
const auto defaultChainParams = CreateChainParams(CBaseChainParams::MAIN);
const auto testnetChainParams = CreateChainParams(CBaseChainParams::TESTNET);
// Hidden Options
std::vector<std::string> hidden_args = {"-rpcssl", "-benchmark", "-h", "-help", "-socks", "-tor", "-debugnet", "-whitelistalwaysrelay",
"-prematurewitness", "-walletprematurewitness", "-promiscuousmempoolflags", "-blockminsize", "-dbcrashratio", "-forcecompactdb", "-usehd",
// GUI args. These will be overwritten by SetupUIArgs for the GUI
"-allowselfsignedrootcertificates", "-choosedatadir", "-lang=<lang>", "-min", "-resetguisettings", "-rootcertificates=<file>", "-splash", "-uiplatform"};
// Set all of the args and their help
// When adding new options to the categories, please keep and ensure alphabetical ordering.
gArgs.AddArg("-?", "Print this help message and exit", false, OptionsCategory::OPTIONS);
gArgs.AddArg("-version", "Print version and exit", false, OptionsCategory::OPTIONS);
gArgs.AddArg("-alertnotify=<cmd>", "Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message)", false, OptionsCategory::OPTIONS);
gArgs.AddArg("-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)", defaultChainParams->GetConsensus().defaultAssumeValid.GetHex(), testnetChainParams->GetConsensus().defaultAssumeValid.GetHex()), false, OptionsCategory::OPTIONS);
gArgs.AddArg("-blocksdir=<dir>", "Specify blocks directory (default: <datadir>/blocks)", false, OptionsCategory::OPTIONS);
gArgs.AddArg("-blocknotify=<cmd>", "Execute command when the best block changes (%s in cmd is replaced by block hash)", false, OptionsCategory::OPTIONS);
gArgs.AddArg("-blockreconstructionextratxn=<n>", strprintf("Extra transactions to keep in memory for compact block reconstructions (default: %u)", DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN), false, OptionsCategory::OPTIONS);
gArgs.AddArg("-blocksonly", strprintf("Whether to operate in a blocks only mode (default: %u)", DEFAULT_BLOCKSONLY), true, OptionsCategory::OPTIONS);
gArgs.AddArg("-conf=<file>", strprintf("Specify configuration file. Relative paths will be prefixed by datadir location. (default: %s)", BITCOIN_CONF_FILENAME), false, OptionsCategory::OPTIONS);
gArgs.AddArg("-datadir=<dir>", "Specify data directory", false, OptionsCategory::OPTIONS);
gArgs.AddArg("-dbbatchsize", strprintf("Maximum database write batch size in bytes (default: %u)", nDefaultDbBatchSize), true, OptionsCategory::OPTIONS);
gArgs.AddArg("-dbcache=<n>", strprintf("Set database cache size in megabytes (%d to %d, default: %d)", nMinDbCache, nMaxDbCache, nDefaultDbCache), false, OptionsCategory::OPTIONS);
gArgs.AddArg("-debuglogfile=<file>", strprintf("Specify location of debug log file. Relative paths will be prefixed by a net-specific datadir location. (-nodebuglogfile to disable; default: %s)", DEFAULT_DEBUGLOGFILE), false, OptionsCategory::OPTIONS);
gArgs.AddArg("-feefilter", strprintf("Tell other nodes to filter invs to us by our mempool min fee (default: %u)", DEFAULT_FEEFILTER), true, OptionsCategory::OPTIONS);
gArgs.AddArg("-includeconf=<file>", "Specify additional configuration file, relative to the -datadir path (only useable from configuration file, not command line)", false, OptionsCategory::OPTIONS);
gArgs.AddArg("-loadblock=<file>", "Imports blocks from external blk000??.dat file on startup", false, OptionsCategory::OPTIONS);
gArgs.AddArg("-maxmempool=<n>", strprintf("Keep the transaction memory pool below <n> megabytes (default: %u)", DEFAULT_MAX_MEMPOOL_SIZE), false, OptionsCategory::OPTIONS);
gArgs.AddArg("-maxorphantx=<n>", strprintf("Keep at most <n> unconnectable transactions in memory (default: %u)", DEFAULT_MAX_ORPHAN_TRANSACTIONS), false, OptionsCategory::OPTIONS);
gArgs.AddArg("-mempoolexpiry=<n>", strprintf("Do not keep transactions in the mempool longer than <n> hours (default: %u)", DEFAULT_MEMPOOL_EXPIRY), false, OptionsCategory::OPTIONS);
gArgs.AddArg("-minimumchainwork=<hex>", strprintf("Minimum work assumed to exist on a valid chain in hex (default: %s, testnet: %s)", defaultChainParams->GetConsensus().nMinimumChainWork.GetHex(), testnetChainParams->GetConsensus().nMinimumChainWork.GetHex()), true, OptionsCategory::OPTIONS);
gArgs.AddArg("-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), false, OptionsCategory::OPTIONS);
gArgs.AddArg("-persistmempool", strprintf("Whether to save the mempool on shutdown and load on restart (default: %u)", DEFAULT_PERSIST_MEMPOOL), false, OptionsCategory::OPTIONS);
#ifndef WIN32
gArgs.AddArg("-pid=<file>", strprintf("Specify pid file. Relative paths will be prefixed by a net-specific datadir location. (default: %s)", BITCOIN_PID_FILENAME), false, OptionsCategory::OPTIONS);
#else
hidden_args.emplace_back("-pid");
#endif
gArgs.AddArg("-prune=<n>", strprintf("Reduce storage requirements by enabling pruning (deleting) of old blocks. This allows the pruneblockchain RPC to be called to delete specific blocks, and enables automatic pruning of old blocks if a target size in MiB is provided. This mode is incompatible with -txindex and -rescan. "
"Warning: Reverting this setting requires re-downloading the entire blockchain. "
"(default: 0 = disable pruning blocks, 1 = allow manual pruning via RPC, >=%u = automatically prune block files to stay under the specified target size in MiB)", MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024), false, OptionsCategory::OPTIONS);
gArgs.AddArg("-reindex", "Rebuild chain state and block index from the blk*.dat files on disk", false, OptionsCategory::OPTIONS);
gArgs.AddArg("-reindex-chainstate", "Rebuild chain state from the currently indexed blocks", false, OptionsCategory::OPTIONS);
#ifndef WIN32
gArgs.AddArg("-sysperms", "Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)", false, OptionsCategory::OPTIONS);
#else
hidden_args.emplace_back("-sysperms");
#endif
gArgs.AddArg("-txindex", strprintf("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)", DEFAULT_TXINDEX), false, OptionsCategory::OPTIONS);
gArgs.AddArg("-addnode=<ip>", "Add a node to connect to and attempt to keep the connection open (see the `addnode` RPC command help for more info). This option can be specified multiple times to add multiple nodes.", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-banscore=<n>", strprintf("Threshold for disconnecting misbehaving peers (default: %u)", DEFAULT_BANSCORE_THRESHOLD), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-bantime=<n>", strprintf("Number of seconds to keep misbehaving peers from reconnecting (default: %u)", DEFAULT_MISBEHAVING_BANTIME), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-bind=<addr>", "Bind to given address and always listen on it. Use [host]:port notation for IPv6", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-connect=<ip>", "Connect only to the specified node; -noconnect disables automatic connections (the rules for this peer are the same as for -addnode). This option can be specified multiple times to connect to multiple nodes.", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-discover", "Discover own IP addresses (default: 1 when listening and no -externalip or -proxy)", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-dns", strprintf("Allow DNS lookups for -addnode, -seednode and -connect (default: %u)", DEFAULT_NAME_LOOKUP), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-dnsseed", "Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect used)", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-enablebip61", strprintf("Send reject messages per BIP61 (default: %u)", DEFAULT_ENABLE_BIP61), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-externalip=<ip>", "Specify your own public address", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-forcednsseed", strprintf("Always query for peer addresses via DNS lookup (default: %u)", DEFAULT_FORCEDNSSEED), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-listen", "Accept connections from outside (default: 1 if no -proxy or -connect)", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-listenonion", strprintf("Automatically create Tor hidden service (default: %d)", DEFAULT_LISTEN_ONION), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-maxconnections=<n>", strprintf("Maintain at most <n> connections to peers (default: %u)", DEFAULT_MAX_PEER_CONNECTIONS), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-maxreceivebuffer=<n>", strprintf("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)", DEFAULT_MAXRECEIVEBUFFER), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-maxsendbuffer=<n>", strprintf("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)", DEFAULT_MAXSENDBUFFER), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-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), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-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), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-onion=<ip:port>", "Use separate SOCKS5 proxy to reach peers via Tor hidden services, set -noonion to disable (default: -proxy)", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-onlynet=<net>", "Make outgoing connections only through network <net> (ipv4, ipv6 or onion). Incoming connections are not affected by this option. This option can be specified multiple times to allow multiple networks.", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-peerbloomfilters", strprintf("Support filtering of blocks and transaction with bloom filters (default: %u)", DEFAULT_PEERBLOOMFILTERS), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-permitbaremultisig", strprintf("Relay non-P2SH multisig (default: %u)", DEFAULT_PERMIT_BAREMULTISIG), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-port=<port>", strprintf("Listen for connections on <port> (default: %u or testnet: %u)", defaultChainParams->GetDefaultPort(), testnetChainParams->GetDefaultPort()), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-proxy=<ip:port>", "Connect through SOCKS5 proxy, set -noproxy to disable (default: disabled)", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-proxyrandomize", strprintf("Randomize credentials for every proxy connection. This enables Tor stream isolation (default: %u)", DEFAULT_PROXYRANDOMIZE), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-seednode=<ip>", "Connect to a node to retrieve peer addresses, and disconnect. This option can be specified multiple times to connect to multiple nodes.", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-timeout=<n>", strprintf("Specify connection timeout in milliseconds (minimum: 1, default: %d)", DEFAULT_CONNECT_TIMEOUT), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-torcontrol=<ip>:<port>", strprintf("Tor control port to use if onion listening enabled (default: %s)", DEFAULT_TOR_CONTROL), false, OptionsCategory::CONNECTION);
gArgs.AddArg("-torpassword=<pass>", "Tor control port password (default: empty)", false, OptionsCategory::CONNECTION);
#ifdef USE_UPNP
#if USE_UPNP
gArgs.AddArg("-upnp", "Use UPnP to map the listening port (default: 1 when listening and no -proxy)", false, OptionsCategory::CONNECTION);
#else
gArgs.AddArg("-upnp", strprintf("Use UPnP to map the listening port (default: %u)", 0), false, OptionsCategory::CONNECTION);
#endif
#else
hidden_args.emplace_back("-upnp");
#endif
gArgs.AddArg("-whitebind=<addr>", "Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-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", false, OptionsCategory::CONNECTION);
g_wallet_init_interface.AddWalletOptions();
#if ENABLE_ZMQ
gArgs.AddArg("-zmqpubhashblock=<address>", "Enable publish hash block in <address>", false, OptionsCategory::ZMQ);
gArgs.AddArg("-zmqpubhashtx=<address>", "Enable publish hash transaction in <address>", false, OptionsCategory::ZMQ);
gArgs.AddArg("-zmqpubrawblock=<address>", "Enable publish raw block in <address>", false, OptionsCategory::ZMQ);
gArgs.AddArg("-zmqpubrawtx=<address>", "Enable publish raw transaction in <address>", false, OptionsCategory::ZMQ);
#else
hidden_args.emplace_back("-zmqpubhashblock=<address>");
hidden_args.emplace_back("-zmqpubhashtx=<address>");
hidden_args.emplace_back("-zmqpubrawblock=<address>");
hidden_args.emplace_back("-zmqpubrawtx=<address>");
#endif
gArgs.AddArg("-checkblocks=<n>", strprintf("How many blocks to check at startup (default: %u, 0 = all)", DEFAULT_CHECKBLOCKS), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-checklevel=<n>", strprintf("How thorough the block verification of -checkblocks is (0-4, default: %u)", DEFAULT_CHECKLEVEL), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-checkblockindex", strprintf("Do a full consistency check for mapBlockIndex, setBlockIndexCandidates, chainActive and mapBlocksUnlinked occasionally. (default: %u)", defaultChainParams->DefaultConsistencyChecks()), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-checkmempool=<n>", strprintf("Run checks every <n> transactions (default: %u)", defaultChainParams->DefaultConsistencyChecks()), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", DEFAULT_CHECKPOINTS_ENABLED), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-deprecatedrpc=<method>", "Allows deprecated RPC method(s) to be used", true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-dropmessagestest=<n>", "Randomly drop 1 of every <n> network messages", true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", DEFAULT_STOPAFTERBLOCKIMPORT), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-stopatheight", strprintf("Stop running after reaching the given height in the main chain (default: %u)", DEFAULT_STOPATHEIGHT), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-limitancestorcount=<n>", strprintf("Do not accept transactions if number of in-mempool ancestors is <n> or more (default: %u)", DEFAULT_ANCESTOR_LIMIT), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-limitancestorsize=<n>", strprintf("Do not accept transactions whose size with all in-mempool ancestors exceeds <n> kilobytes (default: %u)", DEFAULT_ANCESTOR_SIZE_LIMIT), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-limitdescendantcount=<n>", strprintf("Do not accept transactions if any ancestor would have <n> or more in-mempool descendants (default: %u)", DEFAULT_DESCENDANT_LIMIT), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-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), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-vbparams=deployment:start:end", "Use given start/end times for specified version bits deployment (regtest-only)", true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-addrmantest", "Allows to test address relay on localhost", true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-debug=<category>", "Output debugging information (default: -nodebug, supplying <category> is optional). "
"If <category> is not supplied or if <category> = 1, output all debugging information. <category> can be: " + ListLogCategories() + ".", false, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-debugexclude=<category>", strprintf("Exclude debugging information for a category. Can be used in conjunction with -debug=1 to output debug logs for all categories except one or more specified categories."), false, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-help-debug", "Show all debugging options (usage: --help -help-debug)", false, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-logips", strprintf("Include IP addresses in debug output (default: %u)", DEFAULT_LOGIPS), false, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-logtimestamps", strprintf("Prepend debug output with timestamp (default: %u)", DEFAULT_LOGTIMESTAMPS), false, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-mocktime=<n>", "Replace actual time with <n> seconds since epoch (default: 0)", true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-maxsigcachesize=<n>", strprintf("Limit sum of signature cache and script execution cache sizes to <n> MiB (default: %u)", DEFAULT_MAX_SIG_CACHE_SIZE), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-maxtipage=<n>", strprintf("Maximum tip age in seconds to consider node in initial block download (default: %u)", DEFAULT_MAX_TIP_AGE), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-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)), false, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-printpriority", strprintf("Log transaction fee per kB when mining blocks (default: %u)", DEFAULT_PRINTPRIORITY), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-printtoconsole", "Send trace/debug info to console (default: 1 when no -daemon. To disable logging to file, set -nodebuglogfile)", false, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-shrinkdebugfile", "Shrink debug.log file on client startup (default: 1 when no -debug)", false, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-uacomment=<cmt>", "Append comment to the user agent string", false, OptionsCategory::DEBUG_TEST);
SetupChainParamsBaseOptions();
gArgs.AddArg("-acceptnonstdtxn", strprintf("Relay and mine \"non-standard\" transactions (%sdefault: %u)", "testnet/regtest only; ", !testnetChainParams->RequireStandard()), true, OptionsCategory::NODE_RELAY);
gArgs.AddArg("-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)), true, OptionsCategory::NODE_RELAY);
gArgs.AddArg("-dustrelayfee=<amt>", strprintf("Fee rate (in %s/kB) used to defined dust, the value of an output such that it will cost more than its value in fees at this fee rate to spend it. (default: %s)", CURRENCY_UNIT, FormatMoney(DUST_RELAY_TX_FEE)), true, OptionsCategory::NODE_RELAY);
gArgs.AddArg("-bytespersigop", strprintf("Equivalent bytes per sigop in transactions for relay and mining (default: %u)", DEFAULT_BYTES_PER_SIGOP), false, OptionsCategory::NODE_RELAY);
gArgs.AddArg("-datacarrier", strprintf("Relay and mine data carrier transactions (default: %u)", DEFAULT_ACCEPT_DATACARRIER), false, OptionsCategory::NODE_RELAY);
gArgs.AddArg("-datacarriersize", strprintf("Maximum size of data in data carrier transactions we relay and mine (default: %u)", MAX_OP_RETURN_RELAY), false, OptionsCategory::NODE_RELAY);
gArgs.AddArg("-mempoolreplacement", strprintf("Enable transaction replacement in the memory pool (default: %u)", DEFAULT_ENABLE_REPLACEMENT), false, OptionsCategory::NODE_RELAY);
gArgs.AddArg("-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)), false, OptionsCategory::NODE_RELAY);
gArgs.AddArg("-whitelistforcerelay", strprintf("Force relay of transactions from whitelisted peers even if they violate local relay policy (default: %d)", DEFAULT_WHITELISTFORCERELAY), false, OptionsCategory::NODE_RELAY);
gArgs.AddArg("-whitelistrelay", strprintf("Accept relayed transactions received from whitelisted peers even when not relaying transactions (default: %d)", DEFAULT_WHITELISTRELAY), false, OptionsCategory::NODE_RELAY);
gArgs.AddArg("-blockmaxweight=<n>", strprintf("Set maximum BIP141 block weight (default: %d)", DEFAULT_BLOCK_MAX_WEIGHT), false, OptionsCategory::BLOCK_CREATION);
gArgs.AddArg("-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)), false, OptionsCategory::BLOCK_CREATION);
gArgs.AddArg("-blockversion=<n>", "Override block version to test forking scenarios", true, OptionsCategory::BLOCK_CREATION);
gArgs.AddArg("-rest", strprintf("Accept public REST requests (default: %u)", DEFAULT_REST_ENABLE), false, OptionsCategory::RPC);
gArgs.AddArg("-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", false, OptionsCategory::RPC);
gArgs.AddArg("-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/rpcauth. The client then connects normally using the rpcuser=<USERNAME>/rpcpassword=<PASSWORD> pair of arguments. This option can be specified multiple times", false, OptionsCategory::RPC);
gArgs.AddArg("-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)", false, OptionsCategory::RPC);
gArgs.AddArg("-rpccookiefile=<loc>", "Location of the auth cookie. Relative paths will be prefixed by a net-specific datadir location. (default: data dir)", false, OptionsCategory::RPC);
gArgs.AddArg("-rpcpassword=<pw>", "Password for JSON-RPC connections", false, OptionsCategory::RPC);
gArgs.AddArg("-rpcport=<port>", strprintf("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)", defaultBaseParams->RPCPort(), testnetBaseParams->RPCPort()), false, OptionsCategory::RPC);
gArgs.AddArg("-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), false, OptionsCategory::RPC);
gArgs.AddArg("-rpcservertimeout=<n>", strprintf("Timeout during HTTP requests (default: %d)", DEFAULT_HTTP_SERVER_TIMEOUT), true, OptionsCategory::RPC);
gArgs.AddArg("-rpcthreads=<n>", strprintf("Set the number of threads to service RPC calls (default: %d)", DEFAULT_HTTP_THREADS), false, OptionsCategory::RPC);
gArgs.AddArg("-rpcuser=<user>", "Username for JSON-RPC connections", false, OptionsCategory::RPC);
gArgs.AddArg("-rpcworkqueue=<n>", strprintf("Set the depth of the work queue to service RPC calls (default: %d)", DEFAULT_HTTP_WORKQUEUE), true, OptionsCategory::RPC);
gArgs.AddArg("-server", "Accept command line and JSON-RPC commands", false, OptionsCategory::RPC);
#if HAVE_DECL_DAEMON
gArgs.AddArg("-daemon", "Run in the background as a daemon and accept commands", false, OptionsCategory::OPTIONS);
#else
hidden_args.emplace_back("-daemon");
#endif
// Add the hidden options
gArgs.AddHiddenArgs(hidden_args);
}
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 = gArgs.GetArg("-blocknotify", "");
if (!strCmd.empty()) {
boost::replace_all(strCmd, "%s", pBlockIndex->GetBlockHash().GetHex());
std::thread t(runCommand, strCmd);
t.detach(); // thread runs free
}
}
static bool fHaveGenesis = false;
static CWaitableCriticalSection cs_GenesisWait;
static CConditionVariable condvar_GenesisWait;
static void BlockNotifyGenesisWait(bool, const CBlockIndex *pBlockIndex)
{
if (pBlockIndex != nullptr) {
{
WaitableLock 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.
static void CleanupBlockRevFiles()
{
std::map<std::string, fs::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");
fs::path blocksdir = GetBlocksDir();
for (fs::directory_iterator it(blocksdir); it != fs::directory_iterator(); it++) {
if (fs::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;
for (const std::pair<const std::string, fs::path>& item : mapBlockFiles) {
if (atoi(item.first) == nContigCounter) {
nContigCounter++;
continue;
}
remove(item.second);
}
}
static void ThreadImport(std::vector<fs::path> vImportFiles)
{
const CChainParams& chainparams = Params();
RenameThread("bitcoin-loadblk");
ScheduleBatchPriority();
{
CImportingNow imp;
// -reindex
if (fReindex) {
int nFile = 0;
while (true) {
CDiskBlockPos pos(nFile, 0);
if (!fs::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):
LoadGenesisBlock(chainparams);
}
// hardcoded $DATADIR/bootstrap.dat
fs::path pathBootstrap = GetDataDir() / "bootstrap.dat";
if (fs::exists(pathBootstrap)) {
FILE *file = fsbridge::fopen(pathBootstrap, "rb");
if (file) {
fs::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=
for (const fs::path& path : vImportFiles) {
FILE *file = fsbridge::fopen(path, "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 (%s)\n", FormatStateMessage(state));
StartShutdown();
return;
}
if (gArgs.GetBoolArg("-stopafterblockimport", DEFAULT_STOPAFTERBLOCKIMPORT)) {
LogPrintf("Stopping after block import\n");
StartShutdown();
return;
}
} // End scope of CImportingNow
if (gArgs.GetArg("-persistmempool", DEFAULT_PERSIST_MEMPOOL)) {
LoadMempool();
}
g_is_mempool_loaded = !ShutdownRequested();
}
/** Sanity checks
* Ensure that Bitcoin is running in a usable environment with all
* necessary library support.
*/
static 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;
if (!Random_SanityCheck()) {
InitError("OS cryptographic RNG sanity check failure. Aborting.");
return false;
}
return true;
}
static bool AppInitServers()
{
RPCServer::OnStarted(&OnRPCStarted);
RPCServer::OnStopped(&OnRPCStopped);
if (!InitHTTPServer())
return false;
StartRPC();
if (!StartHTTPRPC())
return false;
if (gArgs.GetBoolArg("-rest", DEFAULT_REST_ENABLE) && !StartREST())
return false;
StartHTTPServer();
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 (gArgs.IsArgSet("-bind")) {
if (gArgs.SoftSetBoolArg("-listen", true))
LogPrintf("%s: parameter interaction: -bind set -> setting -listen=1\n", __func__);
}
if (gArgs.IsArgSet("-whitebind")) {
if (gArgs.SoftSetBoolArg("-listen", true))
LogPrintf("%s: parameter interaction: -whitebind set -> setting -listen=1\n", __func__);
}
if (gArgs.IsArgSet("-connect")) {
// when only connecting to trusted nodes, do not seed via DNS, or listen by default
if (gArgs.SoftSetBoolArg("-dnsseed", false))
LogPrintf("%s: parameter interaction: -connect set -> setting -dnsseed=0\n", __func__);
if (gArgs.SoftSetBoolArg("-listen", false))
LogPrintf("%s: parameter interaction: -connect set -> setting -listen=0\n", __func__);
}
if (gArgs.IsArgSet("-proxy")) {
// to protect privacy, do not listen by default if a default proxy server is specified
if (gArgs.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 (gArgs.SoftSetBoolArg("-upnp", false))
LogPrintf("%s: parameter interaction: -proxy set -> setting -upnp=0\n", __func__);
// to protect privacy, do not discover addresses by default
if (gArgs.SoftSetBoolArg("-discover", false))
LogPrintf("%s: parameter interaction: -proxy set -> setting -discover=0\n", __func__);
}
if (!gArgs.GetBoolArg("-listen", DEFAULT_LISTEN)) {
// do not map ports or try to retrieve public IP when not listening (pointless)
if (gArgs.SoftSetBoolArg("-upnp", false))
LogPrintf("%s: parameter interaction: -listen=0 -> setting -upnp=0\n", __func__);
if (gArgs.SoftSetBoolArg("-discover", false))
LogPrintf("%s: parameter interaction: -listen=0 -> setting -discover=0\n", __func__);
if (gArgs.SoftSetBoolArg("-listenonion", false))
LogPrintf("%s: parameter interaction: -listen=0 -> setting -listenonion=0\n", __func__);
}
if (gArgs.IsArgSet("-externalip")) {
// if an explicit public IP is specified, do not try to find others
if (gArgs.SoftSetBoolArg("-discover", false))
LogPrintf("%s: parameter interaction: -externalip set -> setting -discover=0\n", __func__);
}
// disable whitelistrelay in blocksonly mode
if (gArgs.GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY)) {
if (gArgs.SoftSetBoolArg("-whitelistrelay", false))
LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -whitelistrelay=0\n", __func__);
}
// Forcing relay from whitelisted hosts implies we will accept relays from them in the first place.
if (gArgs.GetBoolArg("-whitelistforcerelay", DEFAULT_WHITELISTFORCERELAY)) {
if (gArgs.SoftSetBoolArg("-whitelistrelay", true))
LogPrintf("%s: parameter interaction: -whitelistforcerelay=1 -> setting -whitelistrelay=1\n", __func__);
}
// Warn if network-specific options (-addnode, -connect, etc) are
// specified in default section of config file, but not overridden
// on the command line or in this network's section of the config file.
gArgs.WarnForSectionOnlyArgs();
}
static std::string ResolveErrMsg(const char * const optname, const std::string& strBind)
{
return strprintf(_("Cannot resolve -%s address: '%s'"), optname, strBind);
}
/**
* Initialize global loggers.
*
* Note that this is called very early in the process lifetime, so you should be
* careful about what global state you rely on here.
*/
void InitLogging()
{
g_logger->m_print_to_file = !gArgs.IsArgNegated("-debuglogfile");
g_logger->m_file_path = AbsPathForConfigVal(gArgs.GetArg("-debuglogfile", DEFAULT_DEBUGLOGFILE));
// Add newlines to the logfile to distinguish this execution from the last
// one; called before console logging is set up, so this is only sent to
// debug.log.
LogPrintf("\n\n\n\n\n");
g_logger->m_print_to_console = gArgs.GetBoolArg("-printtoconsole", !gArgs.GetBoolArg("-daemon", false));
g_logger->m_log_timestamps = gArgs.GetBoolArg("-logtimestamps", DEFAULT_LOGTIMESTAMPS);
g_logger->m_log_time_micros = gArgs.GetBoolArg("-logtimemicros", DEFAULT_LOGTIMEMICROS);
fLogIPs = gArgs.GetBoolArg("-logips", DEFAULT_LOGIPS);
std::string version_string = FormatFullVersion();
#ifdef DEBUG
version_string += " (debug build)";
#else
version_string += " (release build)";
#endif
LogPrintf(PACKAGE_NAME " version %s\n", version_string);
}
namespace { // Variables internal to initialization process only
int nMaxConnections;
int nUserMaxConnections;
int nFD;
ServiceFlags nLocalServices = ServiceFlags(NODE_NETWORK | NODE_NETWORK_LIMITED);
} // namespace
[[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
#ifdef _MSC_VER
// Turn off Microsoft heap dump noise
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, nullptr, OPEN_EXISTING, 0, 0));
// 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 != nullptr) setProcDEPPol(PROCESS_DEP_ENABLE);
#endif
if (!SetupNetworking())
return InitError("Initializing networking failed");
#ifndef WIN32
if (!gArgs.GetBoolArg("-sysperms", false)) {
umask(077);
}
// Clean shutdown on SIGTERM
registerSignalHandler(SIGTERM, HandleSIGTERM);
registerSignalHandler(SIGINT, HandleSIGTERM);
// Reopen debug.log on SIGHUP
registerSignalHandler(SIGHUP, HandleSIGHUP);
// Ignore SIGPIPE, otherwise it will bring the daemon down if the client closes unexpectedly
signal(SIGPIPE, SIG_IGN);
#else
SetConsoleCtrlHandler(consoleCtrlHandler, true);
#endif
std::set_new_handler(new_handler_terminate);
return true;
}
bool AppInitParameterInteraction()
{
const CChainParams& chainparams = Params();
// ********************************************************* Step 2: parameter interactions
// also see: InitParameterInteraction()
if (!fs::is_directory(GetBlocksDir(false))) {
return InitError(strprintf(_("Specified blocks directory \"%s\" does not exist."), gArgs.GetArg("-blocksdir", "").c_str()));
}
// if using block pruning, then disallow txindex
if (gArgs.GetArg("-prune", 0)) {
if (gArgs.GetBoolArg("-txindex", DEFAULT_TXINDEX))
return InitError(_("Prune mode is incompatible with -txindex."));
}
// -bind and -whitebind can't be set when not listening
size_t nUserBind = gArgs.GetArgs("-bind").size() + gArgs.GetArgs("-whitebind").size();
if (nUserBind != 0 && !gArgs.GetBoolArg("-listen", DEFAULT_LISTEN)) {
return InitError("Cannot set -bind or -whitebind together with -listen=0");
}
// Make sure enough file descriptors are available
int nBind = std::max(nUserBind, size_t(1));
nUserMaxConnections = gArgs.GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS);
nMaxConnections = std::max(nUserMaxConnections, 0);
// Trim requested connection counts, to fit into system limitations
// <int> in std::min<int>(...) to work around FreeBSD compilation issue described in #2695
nMaxConnections = std::max(std::min<int>(nMaxConnections, FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS), 0);
nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS + MAX_ADDNODE_CONNECTIONS);
if (nFD < MIN_CORE_FILEDESCRIPTORS)
return InitError(_("Not enough file descriptors available."));
nMaxConnections = std::min(nFD - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS, nMaxConnections);
if (nMaxConnections < nUserMaxConnections)
InitWarning(strprintf(_("Reducing -maxconnections from %d to %d, because of system limitations."), nUserMaxConnections, nMaxConnections));
// ********************************************************* Step 3: parameter-to-internal-flags
if (gArgs.IsArgSet("-debug")) {
// Special-case: if -debug=0/-nodebug is set, turn off debugging messages
const std::vector<std::string> categories = gArgs.GetArgs("-debug");
if (std::none_of(categories.begin(), categories.end(),
[](std::string cat){return cat == "0" || cat == "none";})) {
for (const auto& cat : categories) {
if (!g_logger->EnableCategory(cat)) {
InitWarning(strprintf(_("Unsupported logging category %s=%s."), "-debug", cat));
}
}
}
}
// Now remove the logging categories which were explicitly excluded
for (const std::string& cat : gArgs.GetArgs("-debugexclude")) {
if (!g_logger->DisableCategory(cat)) {
InitWarning(strprintf(_("Unsupported logging category %s=%s."), "-debugexclude", cat));
}
}
// Check for -debugnet
if (gArgs.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 (gArgs.IsArgSet("-socks"))
return InitError(_("Unsupported argument -socks found. Setting SOCKS version isn't possible anymore, only SOCKS5 proxies are supported."));
// Check for -tor - as this is a privacy risk to continue, exit here
if (gArgs.GetBoolArg("-tor", false))
return InitError(_("Unsupported argument -tor found, use -onion."));
if (gArgs.GetBoolArg("-benchmark", false))
InitWarning(_("Unsupported argument -benchmark ignored, use -debug=bench."));
if (gArgs.GetBoolArg("-whitelistalwaysrelay", false))
InitWarning(_("Unsupported argument -whitelistalwaysrelay ignored, use -whitelistrelay and/or -whitelistforcerelay."));
if (gArgs.IsArgSet("-blockminsize"))
InitWarning("Unsupported argument -blockminsize ignored.");
// Checkmempool and checkblockindex default to true in regtest mode
int ratio = std::min<int>(std::max<int>(gArgs.GetArg("-checkmempool", chainparams.DefaultConsistencyChecks() ? 1 : 0), 0), 1000000);
if (ratio != 0) {
mempool.setSanityCheck(1.0 / ratio);
}
fCheckBlockIndex = gArgs.GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks());
fCheckpointsEnabled = gArgs.GetBoolArg("-checkpoints", DEFAULT_CHECKPOINTS_ENABLED);
hashAssumeValid = uint256S(gArgs.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");
if (gArgs.IsArgSet("-minimumchainwork")) {
const std::string minChainWorkStr = gArgs.GetArg("-minimumchainwork", "");
if (!IsHexNumber(minChainWorkStr)) {
return InitError(strprintf("Invalid non-hex (%s) minimum chain work value specified", minChainWorkStr));
}
nMinimumChainWork = UintToArith256(uint256S(minChainWorkStr));
} else {
nMinimumChainWork = UintToArith256(chainparams.GetConsensus().nMinimumChainWork);
}
LogPrintf("Setting nMinimumChainWork=%s\n", nMinimumChainWork.GetHex());
if (nMinimumChainWork < UintToArith256(chainparams.GetConsensus().nMinimumChainWork)) {
LogPrintf("Warning: nMinimumChainWork set below default value of %s\n", chainparams.GetConsensus().nMinimumChainWork.GetHex());
}
// mempool limits
int64_t nMempoolSizeMax = gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000;
int64_t nMempoolSizeMin = gArgs.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 (gArgs.IsArgSet("-incrementalrelayfee"))
{
CAmount n = 0;
if (!ParseMoney(gArgs.GetArg("-incrementalrelayfee", ""), n))
return InitError(AmountErrMsg("incrementalrelayfee", gArgs.GetArg("-incrementalrelayfee", "")));
incrementalRelayFee = CFeeRate(n);
}
// -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
nScriptCheckThreads = gArgs.GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS);
if (nScriptCheckThreads <= 0)
nScriptCheckThreads += GetNumCores();
if (nScriptCheckThreads <= 1)
nScriptCheckThreads = 0;
else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS)
nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS;
// block pruning; get the amount of disk space (in MiB) to allot for block & undo files
int64_t nPruneArg = gArgs.GetArg("-prune", 0);
if (nPruneArg < 0) {
return InitError(_("Prune cannot be configured with a negative value."));
}
nPruneTarget = (uint64_t) nPruneArg * 1024 * 1024;
if (nPruneArg == 1) { // manual pruning: -prune=1
LogPrintf("Block pruning enabled. Use RPC call pruneblockchain(height) to manually prune block and undo files.\n");
nPruneTarget = std::numeric_limits<uint64_t>::max();
fPruneMode = true;
} else if (nPruneTarget) {
if (nPruneTarget < MIN_DISK_SPACE_FOR_BLOCK_FILES) {
return InitError(strprintf(_("Prune configured below the minimum of %d MiB. Please use a higher number."), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
}
LogPrintf("Prune configured to target %uMiB on disk for block and undo files.\n", nPruneTarget / 1024 / 1024);
fPruneMode = true;
}
nConnectTimeout = gArgs.GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT);
if (nConnectTimeout <= 0)
nConnectTimeout = DEFAULT_CONNECT_TIMEOUT;
if (gArgs.IsArgSet("-minrelaytxfee")) {
CAmount n = 0;
if (!ParseMoney(gArgs.GetArg("-minrelaytxfee", ""), n)) {
return InitError(AmountErrMsg("minrelaytxfee", gArgs.GetArg("-minrelaytxfee", "")));
}
// High fee check is done afterward in WalletParameterInteraction()
::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 (gArgs.IsArgSet("-blockmintxfee"))
{
CAmount n = 0;
if (!ParseMoney(gArgs.GetArg("-blockmintxfee", ""), n))
return InitError(AmountErrMsg("blockmintxfee", gArgs.GetArg("-blockmintxfee", "")));
}
// Feerate used to define dust. Shouldn't be changed lightly as old
// implementations may inadvertently create non-standard transactions
if (gArgs.IsArgSet("-dustrelayfee"))
{
CAmount n = 0;
if (!ParseMoney(gArgs.GetArg("-dustrelayfee", ""), n))
return InitError(AmountErrMsg("dustrelayfee", gArgs.GetArg("-dustrelayfee", "")));
dustRelayFee = CFeeRate(n);
}
fRequireStandard = !gArgs.GetBoolArg("-acceptnonstdtxn", !chainparams.RequireStandard());
if (chainparams.RequireStandard() && !fRequireStandard)
return InitError(strprintf("acceptnonstdtxn is not currently supported for %s chain", chainparams.NetworkIDString()));
nBytesPerSigOp = gArgs.GetArg("-bytespersigop", nBytesPerSigOp);
if (!g_wallet_init_interface.ParameterInteraction()) return false;
fIsBareMultisigStd = gArgs.GetBoolArg("-permitbaremultisig", DEFAULT_PERMIT_BAREMULTISIG);
fAcceptDatacarrier = gArgs.GetBoolArg("-datacarrier", DEFAULT_ACCEPT_DATACARRIER);
nMaxDatacarrierBytes = gArgs.GetArg("-datacarriersize", nMaxDatacarrierBytes);
// Option to startup with mocktime set (used for regression testing):
SetMockTime(gArgs.GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op
if (gArgs.GetBoolArg("-peerbloomfilters", DEFAULT_PEERBLOOMFILTERS))
nLocalServices = ServiceFlags(nLocalServices | NODE_BLOOM);
if (gArgs.GetArg("-rpcserialversion", DEFAULT_RPC_SERIALIZE_VERSION) < 0)
return InitError("rpcserialversion must be non-negative.");
if (gArgs.GetArg("-rpcserialversion", DEFAULT_RPC_SERIALIZE_VERSION) > 1)
return InitError("unknown rpcserialversion requested.");
nMaxTipAge = gArgs.GetArg("-maxtipage", DEFAULT_MAX_TIP_AGE);
fEnableReplacement = gArgs.GetBoolArg("-mempoolreplacement", DEFAULT_ENABLE_REPLACEMENT);
if ((!fEnableReplacement) && gArgs.IsArgSet("-mempoolreplacement")) {
// Minimal effort at forwards compatibility
std::string strReplacementModeList = gArgs.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 (gArgs.IsArgSet("-vbparams")) {
// Allow overriding version bits parameters for testing
if (!chainparams.MineBlocksOnDemand()) {
return InitError("Version bits parameters may only be overridden on regtest.");
}
for (const std::string& strDeployment : gArgs.GetArgs("-vbparams")) {
std::vector<std::string> vDeploymentParams;
boost::split(vDeploymentParams, strDeployment, boost::is_any_of(":"));
if (vDeploymentParams.size() != 3) {
return InitError("Version bits 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) {
UpdateVersionBitsParameters(Consensus::DeploymentPos(j), nStartTime, nTimeout);
found = true;
LogPrintf("Setting version bits activation parameters for %s to start=%ld, timeout=%ld\n", vDeploymentParams[0], nStartTime, nTimeout);
break;
}
}
if (!found) {
return InitError(strprintf("Invalid deployment (%s)", vDeploymentParams[0]));
}
}
}
return true;
}
static bool LockDataDirectory(bool probeOnly)
{
// Make sure only a single Bitcoin process is using the data directory.
fs::path datadir = GetDataDir();
if (!DirIsWritable(datadir)) {
return InitError(strprintf(_("Cannot write to data directory '%s'; check permissions."), datadir.string()));
}
if (!LockDirectory(datadir, ".lock", probeOnly)) {
return InitError(strprintf(_("Cannot obtain a lock on data directory %s. %s is probably already running."), datadir.string(), _(PACKAGE_NAME)));
}
return true;
}
bool AppInitSanityChecks()
{
// ********************************************************* Step 4: sanity checks
// Initialize elliptic curve code
std::string sha256_algo = SHA256AutoDetect();
LogPrintf("Using the '%s' SHA256 implementation\n", sha256_algo);
RandomInit();
ECC_Start();
globalVerifyHandle.reset(new ECCVerifyHandle());
// Sanity check
if (!InitSanityCheck())
return InitError(strprintf(_("Initialization sanity check failed. %s is shutting down."), _(PACKAGE_NAME)));
// Probe the data directory lock to give an early error message, if possible
// We cannot hold the data directory lock here, as the forking for daemon() hasn't yet happened,
// and a fork will cause weird behavior to it.
return LockDataDirectory(true);
}
bool AppInitLockDataDirectory()
{
// After daemonization get the data directory lock again and hold on to it until exit
// This creates a slight window for a race condition to happen, however this condition is harmless: it
// will at most make us exit without printing a message to console.
if (!LockDataDirectory(false)) {
// Detailed error printed inside LockDataDirectory
return false;
}
return true;
}
bool AppInitMain()
{
const CChainParams& chainparams = Params();
// ********************************************************* Step 4a: application initialization
#ifndef WIN32
CreatePidFile(GetPidFile(), getpid());
#endif
if (g_logger->m_print_to_file) {
if (gArgs.GetBoolArg("-shrinkdebugfile", g_logger->DefaultShrinkDebugFile())) {
// 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
g_logger->ShrinkDebugFile();
}
if (!g_logger->OpenDebugLog()) {
return InitError(strprintf("Could not open debug log file %s",
g_logger->m_file_path.string()));
}
}
if (!g_logger->m_log_timestamps)
LogPrintf("Startup time: %s\n", FormatISO8601DateTime(GetTime()));
LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
LogPrintf("Using data directory %s\n", GetDataDir().string());
LogPrintf("Using config file %s\n", GetConfigFile(gArgs.GetArg("-conf", BITCOIN_CONF_FILENAME)).string());
LogPrintf("Using at most %i automatic connections (%i file descriptors available)\n", nMaxConnections, nFD);
// Warn about relative -datadir path.
if (gArgs.IsArgSet("-datadir") && !fs::path(gArgs.GetArg("-datadir", "")).is_absolute()) {
LogPrintf("Warning: relative datadir option '%s' specified, which will be interpreted relative to the " /* Continued */
"current working directory '%s'. This is fragile, because if bitcoin is started in the future "
"from a different location, it will be unable to locate the current data files. There could "
"also be data loss if bitcoin is started while in a temporary directory.\n",
gArgs.GetArg("-datadir", ""), fs::current_path().string());
}
InitSignatureCache();
InitScriptExecutionCache();
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));
GetMainSignals().RegisterBackgroundSignalScheduler(scheduler);
GetMainSignals().RegisterWithMempoolSignals(mempool);
/* Register RPC commands regardless of -server setting so they will be
* available in the GUI RPC console even if external calls are disabled.
*/
RegisterAllCoreRPCCommands(tableRPC);
g_wallet_init_interface.RegisterRPC(tableRPC);
#if ENABLE_ZMQ
RegisterZMQRPCCommands(tableRPC);
#endif
g_auxpow_miner.reset(new AuxpowMiner());
/* 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 (gArgs.GetBoolArg("-server", false))
{
uiInterface.InitMessage.connect(SetRPCWarmupStatus);
if (!AppInitServers())
return InitError(_("Unable to start HTTP server. See debug log for details."));
}
#if defined(USE_SSE2)
scrypt_detect_sse2();
#endif
// ********************************************************* Step 5: verify wallet database integrity
if (!g_wallet_init_interface.Verify()) return false;
// ********************************************************* Step 6: network initialization
// Note that we absolutely cannot open any actual connections
// until the very end ("start node") as the UTXO/block state
// is not yet setup and may end up being set up twice if we
// need to reindex later.
assert(!g_connman);
g_connman = std::unique_ptr<CConnman>(new CConnman(GetRand(std::numeric_limits<uint64_t>::max()), GetRand(std::numeric_limits<uint64_t>::max())));
CConnman& connman = *g_connman;
peerLogic.reset(new PeerLogicValidation(&connman, scheduler, gArgs.GetBoolArg("-enablebip61", DEFAULT_ENABLE_BIP61)));
RegisterValidationInterface(peerLogic.get());
// sanitize comments per BIP-0014, format user agent and check total size
std::vector<std::string> uacomments;
for (const std::string& cmt : gArgs.GetArgs("-uacomment")) {
if (cmt != SanitizeString(cmt, SAFE_CHARS_UA_COMMENT))
return InitError(strprintf(_("User Agent comment (%s) contains unsafe characters."), cmt));
uacomments.push_back(cmt);
}
strSubVersion = FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, uacomments);
if (strSubVersion.size() > MAX_SUBVERSION_LENGTH) {
return InitError(strprintf(_("Total length of network version string (%i) exceeds maximum length (%i). Reduce the number or size of uacomments."),
strSubVersion.size(), MAX_SUBVERSION_LENGTH));
}
if (gArgs.IsArgSet("-onlynet")) {
std::set<enum Network> nets;
for (const std::string& snet : gArgs.GetArgs("-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);
}
}
// Check for host lookup allowed before parsing any network related parameters
fNameLookup = gArgs.GetBoolArg("-dns", DEFAULT_NAME_LOOKUP);
bool proxyRandomize = gArgs.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 = gArgs.GetArg("-proxy", "");
SetLimited(NET_ONION);
if (proxyArg != "" && proxyArg != "0") {
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 or hostname: '%s'"), proxyArg));
SetProxy(NET_IPV4, addrProxy);
SetProxy(NET_IPV6, addrProxy);
SetProxy(NET_ONION, addrProxy);
SetNameProxy(addrProxy);
SetLimited(NET_ONION, 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 = gArgs.GetArg("-onion", "");
if (onionArg != "") {
if (onionArg == "0") { // Handle -noonion/-onion=0
SetLimited(NET_ONION); // set onions as unreachable
} else {
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 or hostname: '%s'"), onionArg));
SetProxy(NET_ONION, addrOnion);
SetLimited(NET_ONION, false);
}
}
// see Step 2: parameter interactions for more information about these
fListen = gArgs.GetBoolArg("-listen", DEFAULT_LISTEN);
fDiscover = gArgs.GetBoolArg("-discover", true);
fRelayTxes = !gArgs.GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY);
for (const std::string& strAddr : gArgs.GetArgs("-externalip")) {
CService addrLocal;
if (Lookup(strAddr.c_str(), addrLocal, GetListenPort(), fNameLookup) && addrLocal.IsValid())
AddLocal(addrLocal, LOCAL_MANUAL);
else
return InitError(ResolveErrMsg("externalip", strAddr));
}
#if ENABLE_ZMQ
g_zmq_notification_interface = CZMQNotificationInterface::Create();
if (g_zmq_notification_interface) {
RegisterValidationInterface(g_zmq_notification_interface);
}
#endif
uint64_t nMaxOutboundLimit = 0; //unlimited unless -maxuploadtarget is set
uint64_t nMaxOutboundTimeframe = MAX_UPLOAD_TIMEFRAME;
if (gArgs.IsArgSet("-maxuploadtarget")) {
nMaxOutboundLimit = gArgs.GetArg("-maxuploadtarget", DEFAULT_MAX_UPLOAD_TARGET)*1024*1024;
}
// ********************************************************* Step 7: load block chain
fReindex = gArgs.GetBoolArg("-reindex", false);
bool fReindexChainState = gArgs.GetBoolArg("-reindex-chainstate", false);
// cache size calculations
int64_t nTotalCache = (gArgs.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 = std::min(nTotalCache / 8, nMaxBlockDBCache << 20);
nTotalCache -= nBlockTreeDBCache;
int64_t nTxIndexCache = std::min(nTotalCache / 8, gArgs.GetBoolArg("-txindex", DEFAULT_TXINDEX) ? nMaxTxIndexCache << 20 : 0);
nTotalCache -= nTxIndexCache;
int64_t nCoinDBCache = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
nCoinDBCache = std::min(nCoinDBCache, nMaxCoinsDBCache << 20); // cap total coins db cache
nTotalCache -= nCoinDBCache;
nCoinCacheUsage = nTotalCache; // the rest goes to in-memory cache
int64_t nMempoolSizeMax = gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000;
LogPrintf("Cache configuration:\n");
LogPrintf("* Using %.1fMiB for block index database\n", nBlockTreeDBCache * (1.0 / 1024 / 1024));
if (gArgs.GetBoolArg("-txindex", DEFAULT_TXINDEX)) {
LogPrintf("* Using %.1fMiB for transaction index database\n", nTxIndexCache * (1.0 / 1024 / 1024));
}
LogPrintf("* Using %.1fMiB for chain state database\n", nCoinDBCache * (1.0 / 1024 / 1024));
LogPrintf("* Using %.1fMiB for in-memory UTXO set (plus up to %.1fMiB of unused mempool space)\n", nCoinCacheUsage * (1.0 / 1024 / 1024), nMempoolSizeMax * (1.0 / 1024 / 1024));
bool fLoaded = false;
while (!fLoaded && !ShutdownRequested()) {
bool fReset = fReindex;
std::string strLoadError;
uiInterface.InitMessage(_("Loading block index..."));
LOCK(cs_main);
do {
const int64_t load_block_index_start_time = GetTimeMillis();
try {
UnloadBlockIndex();
pcoinsTip.reset();
pcoinsdbview.reset();
pcoinscatcher.reset();
// new CBlockTreeDB tries to delete the existing file, which
// fails if it's still open from the previous loop. Close it first:
pblocktree.reset();
pblocktree.reset(new CBlockTreeDB(nBlockTreeDBCache, false, fReset));
if (fReset) {
pblocktree->WriteReindexing(true);
//If we're reindexing in prune mode, wipe away unusable block files and all undo data files
if (fPruneMode)
CleanupBlockRevFiles();
}
if (ShutdownRequested()) break;
// LoadBlockIndex will load fHavePruned if we've ever removed a
// block file from disk.
// Note that it also sets fReindex based on the disk flag!
// From here on out fReindex and fReset mean something different!
if (!LoadBlockIndex(chainparams)) {
strLoadError = _("Error loading block database");
break;
}
// If the loaded chain has a wrong genesis, bail out immediately
// (we're likely using a testnet datadir, or the other way around).
if (!mapBlockIndex.empty() && !LookupBlockIndex(chainparams.GetConsensus().hashGenesisBlock)) {
return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));
}
// 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;
}
// At this point blocktree args are consistent with what's on disk.
// If we're not mid-reindex (based on disk + args), add a genesis block on disk
// (otherwise we use the one already on disk).
// This is called again in ThreadImport after the reindex completes.
if (!fReindex && !LoadGenesisBlock(chainparams)) {
strLoadError = _("Error initializing block database");
break;
}
// At this point we're either in reindex or we've loaded a useful
// block tree into mapBlockIndex!
pcoinsdbview.reset(new CCoinsViewDB(nCoinDBCache, false, fReset || fReindexChainState));
pcoinscatcher.reset(new CCoinsViewErrorCatcher(pcoinsdbview.get()));
// If necessary, upgrade from older database format.
// This is a no-op if we cleared the coinsviewdb with -reindex or -reindex-chainstate
if (!pcoinsdbview->Upgrade()) {
strLoadError = _("Error upgrading chainstate database");
break;
}
// ReplayBlocks is a no-op if we cleared the coinsviewdb with -reindex or -reindex-chainstate
if (!ReplayBlocks(chainparams, pcoinsdbview.get())) {
strLoadError = _("Unable to replay blocks. You will need to rebuild the database using -reindex-chainstate.");
break;
}
// The on-disk coinsdb is now in a good state, create the cache
pcoinsTip.reset(new CCoinsViewCache(pcoinscatcher.get()));
bool is_coinsview_empty = fReset || fReindexChainState || pcoinsTip->GetBestBlock().IsNull();
if (!is_coinsview_empty) {
// LoadChainTip sets chainActive based on pcoinsTip's best block
if (!LoadChainTip(chainparams)) {
strLoadError = _("Error initializing block database");
break;
}
assert(chainActive.Tip() != nullptr);
}
if (!fReset) {
// Note that RewindBlockIndex MUST run even if we're about to -reindex-chainstate.
// It both disconnects blocks based on chainActive, and drops block data in
// mapBlockIndex based on lack of available witness data.
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;
}
}
if (!is_coinsview_empty) {
uiInterface.InitMessage(_("Verifying blocks..."));
if (fHavePruned && gArgs.GetArg("-checkblocks", DEFAULT_CHECKBLOCKS) > MIN_BLOCKS_TO_KEEP) {
LogPrintf("Prune: pruned datadir may not have more than %d blocks; only checking available blocks\n",
MIN_BLOCKS_TO_KEEP);
}
CBlockIndex* tip = chainActive.Tip();
RPCNotifyBlockChange(true, tip);
if (tip && tip->nTime > GetAdjustedTime() + 2 * 60 * 60) {
strLoadError = _("The block database contains a block which appears to be from the future. "
"This may be due to your computer's date and time being set incorrectly. "
"Only rebuild the block database if you are sure that your computer's date and time are correct");
break;
}
if (!CVerifyDB().VerifyDB(chainparams, pcoinsdbview.get(), gArgs.GetArg("-checklevel", DEFAULT_CHECKLEVEL),
gArgs.GetArg("-checkblocks", DEFAULT_CHECKBLOCKS))) {
strLoadError = _("Corrupted block database detected");
break;
}
}
} catch (const std::exception& e) {
LogPrintf("%s\n", e.what());
strLoadError = _("Error opening block database");
break;
}
fLoaded = true;
LogPrintf(" block index %15dms\n", GetTimeMillis() - load_block_index_start_time);
} while(false);
if (!fLoaded && !ShutdownRequested()) {
// 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;
AbortShutdown();
} 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 (ShutdownRequested()) {
LogPrintf("Shutdown requested. Exiting.\n");
return false;
}
fs::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
CAutoFile est_filein(fsbridge::fopen(est_path, "rb"), SER_DISK, CLIENT_VERSION);
// Allowed to fail as this file IS missing on first startup.
if (!est_filein.IsNull())
::feeEstimator.Read(est_filein);
fFeeEstimatesInitialized = true;
// ********************************************************* Step 8: start indexers
if (gArgs.GetBoolArg("-txindex", DEFAULT_TXINDEX)) {
g_txindex = MakeUnique<TxIndex>(nTxIndexCache, false, fReindex);
g_txindex->Start();
}
// ********************************************************* Step 9: load wallet
if (!g_wallet_init_interface.Open()) return false;
// ********************************************************* Step 10: data directory maintenance
// if pruning, unset the service bit and perform the initial blockstore prune
// after any wallet rescanning has taken place.
if (fPruneMode) {
LogPrintf("Unsetting NODE_NETWORK on prune mode\n");
nLocalServices = ServiceFlags(nLocalServices & ~NODE_NETWORK);
if (!fReindex) {
uiInterface.InitMessage(_("Pruning blockstore..."));
PruneAndFlush();
}
}
if (chainparams.GetConsensus().vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout != 0) {
// Only advertise witness capabilities if they have a reasonable start time.
// This allows us to have the code merged without a defined softfork, by setting its
// end time to 0.
// Note that setting NODE_WITNESS is never required: the only downside from not
// doing so is that after activation, no upgraded nodes will fetch from you.
nLocalServices = ServiceFlags(nLocalServices | NODE_WITNESS);
}
// ********************************************************* Step 11: import blocks
if (!CheckDiskSpace() && !CheckDiskSpace(0, true))
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() == nullptr) {
uiInterface.NotifyBlockTip.connect(BlockNotifyGenesisWait);
} else {
fHaveGenesis = true;
}
if (gArgs.IsArgSet("-blocknotify"))
uiInterface.NotifyBlockTip.connect(BlockNotifyCallback);
std::vector<fs::path> vImportFiles;
for (const std::string& strFile : gArgs.GetArgs("-loadblock")) {
vImportFiles.push_back(strFile);
}
threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles));
// Wait for genesis block to be processed
{
WaitableLock lock(cs_GenesisWait);
// We previously could hang here if StartShutdown() is called prior to
// ThreadImport getting started, so instead we just wait on a timer to
// check ShutdownRequested() regularly.
while (!fHaveGenesis && !ShutdownRequested()) {
condvar_GenesisWait.wait_for(lock, std::chrono::milliseconds(500));
}
uiInterface.NotifyBlockTip.disconnect(BlockNotifyGenesisWait);
}
if (ShutdownRequested()) {
return false;
}
// ********************************************************* Step 12: start node
int chain_active_height;
//// debug print
{
LOCK(cs_main);
LogPrintf("mapBlockIndex.size() = %u\n", mapBlockIndex.size());
chain_active_height = chainActive.Height();
}
LogPrintf("nBestHeight = %d\n", chain_active_height);
if (gArgs.GetBoolArg("-listenonion", DEFAULT_LISTEN_ONION))
StartTorControl();
Discover();
// Map ports with UPnP
if (gArgs.GetBoolArg("-upnp", DEFAULT_UPNP)) {
StartMapPort();
}
CConnman::Options connOptions;
connOptions.nLocalServices = nLocalServices;
connOptions.nMaxConnections = nMaxConnections;
connOptions.nMaxOutbound = std::min(MAX_OUTBOUND_CONNECTIONS, connOptions.nMaxConnections);
connOptions.nMaxAddnode = MAX_ADDNODE_CONNECTIONS;
connOptions.nMaxFeeler = 1;
connOptions.nBestHeight = chain_active_height;
connOptions.uiInterface = &uiInterface;
connOptions.m_msgproc = peerLogic.get();
connOptions.nSendBufferMaxSize = 1000*gArgs.GetArg("-maxsendbuffer", DEFAULT_MAXSENDBUFFER);
connOptions.nReceiveFloodSize = 1000*gArgs.GetArg("-maxreceivebuffer", DEFAULT_MAXRECEIVEBUFFER);
connOptions.m_added_nodes = gArgs.GetArgs("-addnode");
connOptions.nMaxOutboundTimeframe = nMaxOutboundTimeframe;
connOptions.nMaxOutboundLimit = nMaxOutboundLimit;
for (const std::string& strBind : gArgs.GetArgs("-bind")) {
CService addrBind;
if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false)) {
return InitError(ResolveErrMsg("bind", strBind));
}
connOptions.vBinds.push_back(addrBind);
}
for (const std::string& strBind : gArgs.GetArgs("-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));
}
connOptions.vWhiteBinds.push_back(addrBind);
}
for (const auto& net : gArgs.GetArgs("-whitelist")) {
CSubNet subnet;
LookupSubNet(net.c_str(), subnet);
if (!subnet.IsValid())
return InitError(strprintf(_("Invalid netmask specified in -whitelist: '%s'"), net));
connOptions.vWhitelistedRange.push_back(subnet);
}
connOptions.vSeedNodes = gArgs.GetArgs("-seednode");
// Initiate outbound connections unless connect=0
connOptions.m_use_addrman_outgoing = !gArgs.IsArgSet("-connect");
if (!connOptions.m_use_addrman_outgoing) {
const auto connect = gArgs.GetArgs("-connect");
if (connect.size() != 1 || connect[0] != "0") {
connOptions.m_specified_outgoing = connect;
}
}
if (!connman.Start(scheduler, connOptions)) {
return false;
}
// ********************************************************* Step 13: finished
SetRPCWarmupFinished();
uiInterface.InitMessage(_("Done loading"));
g_wallet_init_interface.Start(scheduler);
return true;
}
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