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dash/src/init.cpp
UdjinM6 29c7c6af19
Handle situations when we have evodb records but no blocks anymore (#3722) 
* Handle situations when we have evodb records but no blocks anymore

* Use IsEmpty

* Apply suggestions from code review

Co-authored-by: dustinface <35775977+xdustinface@users.noreply.github.com>

Co-authored-by: dustinface <35775977+xdustinface@users.noreply.github.com>
2020-09-25 19:19:58 +03:00

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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2015 The Bitcoin Core developers
// Copyright (c) 2014-2020 The Dash 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/dash-config.h>
#endif
#include <init.h>
#include <addrman.h>
#include <amount.h>
#include <base58.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 <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/server.h>
#include <rpc/register.h>
#include <rpc/blockchain.h>
#include <script/standard.h>
#include <script/sigcache.h>
#include <scheduler.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 <masternode/activemasternode.h>
#include <dsnotificationinterface.h>
#include <flat-database.h>
#include <governance/governance.h>
#include <masternode/masternode-meta.h>
#include <masternode/masternode-payments.h>
#include <masternode/masternode-sync.h>
#include <masternode/masternode-utils.h>
#include <messagesigner.h>
#include <netfulfilledman.h>
#include <privatesend/privatesend-server.h>
#include <spork.h>
#include <warnings.h>
#include <walletinitinterface.h>
#include <evo/deterministicmns.h>
#include <llmq/quorums_init.h>
#include <llmq/quorums_blockprocessor.h>
#include <stdint.h>
#include <stdio.h>
#include <bls/bls.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:
std::string GetHelpString(bool showDebug) override {return std::string{};}
bool ParameterInteraction() override {return true;}
void RegisterRPC(CRPCTable &) override {}
bool Verify() override {return true;}
bool Open() override {return true;}
void Start(CScheduler& scheduler) override {}
void Flush() override {}
void Stop() override {}
void Close() override {}
// Dash Specific WalletInitInterface InitPrivateSendSettings
void AutoLockMasternodeCollaterals() override {}
void InitPrivateSendSettings() override {}
void InitKeePass() override {}
bool InitAutoBackup() override {return true;}
};
static DummyWalletInit g_dummy_wallet_init;
WalletInitInterface* const g_wallet_init_interface = &g_dummy_wallet_init;
#endif
static CDSNotificationInterface* pdsNotificationInterface = nullptr;
#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 fRequestShutdown, 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
// fRequestShutdown getting set, and then does the normal Qt
// shutdown thing.
//
std::atomic<bool> fRequestShutdown(false);
std::atomic<bool> fRequestRestart(false);
std::atomic<bool> fDumpMempoolLater(false);
void StartShutdown()
{
fRequestShutdown = true;
}
void StartRestart()
{
fRequestShutdown = fRequestRestart = true;
}
bool ShutdownRequested()
{
return fRequestShutdown;
}
/**
* 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 dashd, and dash-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();
llmq::InterruptLLMQSystem();
InterruptMapPort();
if (g_connman)
g_connman->Interrupt();
}
/** Preparing steps before shutting down or restarting the wallet */
void PrepareShutdown()
{
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("dash-shutoff");
mempool.AddTransactionsUpdated(1);
StopHTTPRPC();
StopREST();
StopRPC();
StopHTTPServer();
llmq::StopLLMQSystem();
// fRPCInWarmup should be `false` if we completed the loading sequence
// before a shutdown request was received
std::string statusmessage;
bool fRPCInWarmup = RPCIsInWarmup(&statusmessage);
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(); //TODO watch out when backporting bitcoin#13033 (don't accidently put the reset here, as we've already backported bitcoin#13894)
StopTorControl();
// After everything has been shut down, but before things get flushed, stop the
// CScheduler/checkqueue threadGroup
threadGroup.interrupt_all();
threadGroup.join_all();
// After there are no more peers/RPC left to give us new data which may generate
// CValidationInterface callbacks, flush them...
GetMainSignals().FlushBackgroundCallbacks();
if (!fRPCInWarmup) {
// STORE DATA CACHES INTO SERIALIZED DAT FILES
CFlatDB<CMasternodeMetaMan> flatdb1("mncache.dat", "magicMasternodeCache");
flatdb1.Dump(mmetaman);
CFlatDB<CNetFulfilledRequestManager> flatdb4("netfulfilled.dat", "magicFulfilledCache");
flatdb4.Dump(netfulfilledman);
CFlatDB<CSporkManager> flatdb6("sporks.dat", "magicSporkCache");
flatdb6.Dump(sporkManager);
if (!fDisableGovernance) {
CFlatDB<CGovernanceManager> flatdb3("governance.dat", "magicGovernanceCache");
flatdb3.Dump(governance);
}
}
// 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(); //TODO watch out when backporting bitcoin#13033 (re-enable this, was backported via bitcoin#13894)
if (fDumpMempoolLater && 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 SetBestChain callback, which we should avoid missing
if (pcoinsTip != nullptr) {
FlushStateToDisk();
}
// 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();
llmq::DestroyLLMQSystem();
deterministicMNManager.reset();
evoDb.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
if (pdsNotificationInterface) {
UnregisterValidationInterface(pdsNotificationInterface);
delete pdsNotificationInterface;
pdsNotificationInterface = nullptr;
}
if (fMasternodeMode) {
UnregisterValidationInterface(activeMasternodeManager);
}
// make sure to clean up BLS keys before global destructors are called (they have allocated from the secure memory pool)
activeMasternodeInfo.blsKeyOperator.reset();
activeMasternodeInfo.blsPubKeyOperator.reset();
#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);
}
/**
* Shutdown is split into 2 parts:
* Part 1: shut down everything but the main wallet instance (done in PrepareShutdown() )
* Part 2: delete wallet instance
*
* In case of a restart PrepareShutdown() was already called before, but this method here gets
* called implicitly when the parent object is deleted. In this case we have to skip the
* PrepareShutdown() part because it was already executed and just delete the wallet instance.
*/
void Shutdown()
{
// Shutdown part 1: prepare shutdown
if(!fRequestRestart) {
PrepareShutdown();
}
// Shutdown part 2: delete wallet instance
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)
{
fRequestShutdown = true;
}
static void HandleSIGHUP(int)
{
fReopenDebugLog = true;
}
#else
static BOOL WINAPI consoleCtrlHandler(DWORD dwCtrlType)
{
fRequestShutdown = true;
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
void OnRPCStarted()
{
uiInterface.NotifyBlockTip.connect(&RPCNotifyBlockChange);
}
void OnRPCStopped()
{
uiInterface.NotifyBlockTip.disconnect(&RPCNotifyBlockChange);
RPCNotifyBlockChange(false, nullptr);
g_best_block_cv.notify_all();
LogPrint(BCLog::RPC, "RPC stopped.\n");
}
std::string GetSupportedSocketEventsStr()
{
std::string strSupportedModes = "'select'";
#ifdef USE_POLL
strSupportedModes += ", 'poll'";
#endif
#ifdef USE_EPOLL
strSupportedModes += ", 'epoll'";
#endif
return strSupportedModes;
}
std::string HelpMessage(HelpMessageMode mode)
{
const auto defaultBaseParams = CreateBaseChainParams(CBaseChainParams::MAIN);
const auto testnetBaseParams = CreateBaseChainParams(CBaseChainParams::TESTNET);
const auto defaultChainParams = CreateChainParams(CBaseChainParams::MAIN);
const auto testnetChainParams = CreateChainParams(CBaseChainParams::TESTNET);
const bool showDebug = gArgs.GetBoolArg("-help-debug", false);
// When adding new options to the categories, please keep and ensure alphabetical ordering.
// Do not translate _(...) -help-debug options, Many technical terms, and only a very small audience, so is unnecessary stress to translators.
std::string strUsage = HelpMessageGroup(_("Options:"));
strUsage += HelpMessageOpt("-?", _("Print this help message 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("-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()));
strUsage += HelpMessageOpt("-blocknotify=<cmd>", _("Execute command when the best block changes (%s in cmd is replaced by block hash)"));
strUsage += HelpMessageOpt("-blockreconstructionextratxn=<n>", strprintf(_("Extra transactions to keep in memory for compact block reconstructions (default: %u)"), DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN));
if (showDebug)
strUsage += HelpMessageOpt("-blocksonly", strprintf(_("Whether to operate in a blocks only mode (default: %u)"), DEFAULT_BLOCKSONLY));
strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file. Relative paths will be prefixed by datadir location. (default: %s)"), BITCOIN_CONF_FILENAME));
if (mode == HelpMessageMode::BITCOIND)
{
#if HAVE_DECL_DAEMON
strUsage += HelpMessageOpt("-daemon", _("Run in the background as a daemon and accept commands"));
#endif
}
strUsage += HelpMessageOpt("-datadir=<dir>", _("Specify data directory"));
if (showDebug) {
strUsage += HelpMessageOpt("-dbbatchsize", strprintf("Maximum database write batch size in bytes (default: %u)", nDefaultDbBatchSize));
}
strUsage += HelpMessageOpt("-dbcache=<n>", strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache, nMaxDbCache, nDefaultDbCache));
strUsage += HelpMessageOpt("-debuglogfile=<file>", strprintf(_("Specify location of debug log file. Relative paths will be prefixed by a net-specific datadir location. (0 to disable; default: %s)"), DEFAULT_DEBUGLOGFILE));
strUsage += HelpMessageOpt("-loadblock=<file>", _("Imports blocks from external blk000??.dat file on startup"));
strUsage += HelpMessageOpt("-maxmempool=<n>", strprintf(_("Keep the transaction memory pool below <n> megabytes (default: %u)"), DEFAULT_MAX_MEMPOOL_SIZE));
strUsage += HelpMessageOpt("-maxorphantxsize=<n>", strprintf(_("Maximum total size of all orphan transactions in megabytes (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS_SIZE));
strUsage += HelpMessageOpt("-mempoolexpiry=<n>", strprintf(_("Do not keep transactions in the mempool longer than <n> hours (default: %u)"), DEFAULT_MEMPOOL_EXPIRY));
if (showDebug) {
strUsage += HelpMessageOpt("-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()));
}
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));
strUsage += HelpMessageOpt("-persistmempool", strprintf(_("Whether to save the mempool on shutdown and load on restart (default: %u)"), DEFAULT_PERSIST_MEMPOOL));
#ifndef WIN32
strUsage += HelpMessageOpt("-pid=<file>", strprintf(_("Specify pid file. Relative paths will be prefixed by a net-specific datadir location. (default: %s)"), BITCOIN_PID_FILENAME));
#endif
strUsage += HelpMessageOpt("-prune=<n>", strprintf(_("Reduce storage requirements by enabling pruning (deleting) of old blocks. This allows the pruneblockchain RPC to be called to delete specific blocks, and enables automatic pruning of old blocks if a target size in MiB is provided. This mode is incompatible with -txindex, -rescan and -disablegovernance=false. "
"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));
strUsage += HelpMessageOpt("-syncmempool", strprintf(_("Sync mempool from other nodes on start (default: %u)"), DEFAULT_SYNC_MEMPOOL));
#ifndef WIN32
strUsage += HelpMessageOpt("-sysperms", _("Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)"));
#endif
strUsage += HelpMessageOpt("-version", _("Print version and exit"));
strUsage += HelpMessageGroup(_("Indexing options:"));
strUsage += HelpMessageOpt("-addressindex", strprintf(_("Maintain a full address index, used to query for the balance, txids and unspent outputs for addresses (default: %u)"), DEFAULT_ADDRESSINDEX));
strUsage += HelpMessageOpt("-reindex", _("Rebuild chain state and block index from the blk*.dat files on disk"));
strUsage += HelpMessageOpt("-reindex-chainstate", _("Rebuild chain state from the currently indexed blocks"));
strUsage += HelpMessageOpt("-spentindex", strprintf(_("Maintain a full spent index, used to query the spending txid and input index for an outpoint (default: %u)"), DEFAULT_SPENTINDEX));
strUsage += HelpMessageOpt("-timestampindex", strprintf(_("Maintain a timestamp index for block hashes, used to query blocks hashes by a range of timestamps (default: %u)"), DEFAULT_TIMESTAMPINDEX));
strUsage += HelpMessageOpt("-txindex", strprintf(_("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)"), DEFAULT_TXINDEX));
strUsage += HelpMessageGroup(_("Connection options:"));
strUsage += HelpMessageOpt("-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."));
strUsage += HelpMessageOpt("-allowprivatenet", strprintf(_("Allow RFC1918 addresses to be relayed and connected to (default: %u)"), DEFAULT_ALLOWPRIVATENET));
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; -connect=0 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."));
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 used)"));
strUsage += HelpMessageOpt("-enablebip61", strprintf(_("Send reject messages per BIP61 (default: %u)"), DEFAULT_ENABLE_BIP61));
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)"));
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 (temporary service connections excluded) (default: %u)"), DEFAULT_MAX_PEER_CONNECTIONS));
strUsage += HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXRECEIVEBUFFER));
strUsage += HelpMessageOpt("-maxsendbuffer=<n>", strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), DEFAULT_MAXSENDBUFFER));
strUsage += HelpMessageOpt("-maxtimeadjustment", strprintf(_("Maximum allowed median peer time offset adjustment. Local perspective of time may be influenced by peers forward or backward by this amount. (default: %u seconds)"), DEFAULT_MAX_TIME_ADJUSTMENT));
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));
strUsage += HelpMessageOpt("-onion=<ip:port>", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy"));
strUsage += HelpMessageOpt("-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."));
strUsage += HelpMessageOpt("-peerbloomfilters", strprintf(_("Support filtering of blocks and transaction with bloom filters (default: %u)"), DEFAULT_PEERBLOOMFILTERS));
strUsage += HelpMessageOpt("-peertimeout=<n>", strprintf("Specify p2p connection timeout in seconds. This option determines the amount of time a peer may be inactive before the connection to it is dropped. (minimum: 1, default: %d)", DEFAULT_PEER_CONNECT_TIMEOUT));
strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), DEFAULT_PERMIT_BAREMULTISIG));
strUsage += HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), defaultChainParams->GetDefaultPort(), testnetChainParams->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("-seednode=<ip>", _("Connect to a node to retrieve peer addresses, and disconnect. This option can be specified multiple times to connect to multiple nodes."));
strUsage += HelpMessageOpt("-socketevents=<mode>", strprintf(_("Socket events mode, which must be one of: %s (default: %s)"), GetSupportedSocketEventsStr(), DEFAULT_SOCKETEVENTS));
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));
strUsage += HelpMessageOpt("-torpassword=<pass>", _("Tor control port password (default: empty)"));
#ifdef USE_UPNP
#if USE_UPNP
strUsage += HelpMessageOpt("-upnp", _("Use UPnP to map the listening port (default: 1 when listening and no -proxy)"));
#else
strUsage += HelpMessageOpt("-upnp", strprintf(_("Use UPnP to map the listening port (default: %u)"), 0));
#endif
#endif
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 += g_wallet_init_interface->GetHelpString(showDebug);
#if ENABLE_ZMQ
strUsage += HelpMessageGroup(_("ZeroMQ notification options:"));
strUsage += HelpMessageOpt("-zmqpubhashblock=<address>", _("Enable publish hash block in <address>"));
strUsage += HelpMessageOpt("-zmqpubhashgovernanceobject=<address>", _("Enable publish hash of governance objects (like proposals) in <address>"));
strUsage += HelpMessageOpt("-zmqpubhashgovernancevote=<address>", _("Enable publish hash of governance votes in <address>"));
strUsage += HelpMessageOpt("-zmqpubhashinstantsenddoublespend=<address>", _("Enable publish transaction hashes of attempted InstantSend double spend in <address>"));
strUsage += HelpMessageOpt("-zmqpubhashtx=<address>", _("Enable publish hash transaction in <address>"));
strUsage += HelpMessageOpt("-zmqpubhashtxlock=<address>", _("Enable publish hash transaction (locked via InstantSend) in <address>"));
strUsage += HelpMessageOpt("-zmqpubrawblock=<address>", _("Enable publish raw block in <address>"));
strUsage += HelpMessageOpt("-zmqpubrawinstantsenddoublespend=<address>", _("Enable publish raw transactions of attempted InstantSend double spend in <address>"));
strUsage += HelpMessageOpt("-zmqpubrawtx=<address>", _("Enable publish raw transaction in <address>"));
strUsage += HelpMessageOpt("-zmqpubrawtxlock=<address>", _("Enable publish raw transaction (locked via InstantSend) in <address>"));
#endif
strUsage += HelpMessageGroup(_("Debugging/Testing options:"));
if (showDebug) {
strUsage += HelpMessageOpt("-checkblockindex", strprintf("Do a full consistency check for mapBlockIndex, setBlockIndexCandidates, chainActive and mapBlocksUnlinked occasionally. (default: %u)", defaultChainParams->DefaultConsistencyChecks()));
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("-checkmempool=<n>", strprintf("Run checks every <n> transactions (default: %u)", defaultChainParams->DefaultConsistencyChecks()));
strUsage += HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", DEFAULT_CHECKPOINTS_ENABLED));
strUsage += HelpMessageOpt("-deprecatedrpc=<method>", "Allows deprecated RPC method(s) to be used");
strUsage += HelpMessageOpt("-dropmessagestest=<n>", "Randomly drop 1 of every <n> network messages");
strUsage += HelpMessageOpt("-limitancestorcount=<n>", strprintf("Do not accept transactions if number of in-mempool ancestors is <n> or more (default: %u)", DEFAULT_ANCESTOR_LIMIT));
strUsage += HelpMessageOpt("-limitancestorsize=<n>", strprintf("Do not accept transactions whose size with all in-mempool ancestors exceeds <n> kilobytes (default: %u)", DEFAULT_ANCESTOR_SIZE_LIMIT));
strUsage += HelpMessageOpt("-limitdescendantcount=<n>", strprintf("Do not accept transactions if any ancestor would have <n> or more in-mempool descendants (default: %u)", DEFAULT_DESCENDANT_LIMIT));
strUsage += HelpMessageOpt("-limitdescendantsize=<n>", strprintf("Do not accept transactions if any ancestor would have more than <n> kilobytes of in-mempool descendants (default: %u).", DEFAULT_DESCENDANT_SIZE_LIMIT));
strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", DEFAULT_STOPAFTERBLOCKIMPORT));
strUsage += HelpMessageOpt("-stopatheight", strprintf("Stop running after reaching the given height in the main chain (default: %u)", DEFAULT_STOPATHEIGHT));
strUsage += HelpMessageOpt("-vbparams=<deployment>:<start>:<end>(:<window>:<threshold>)", "Use given start/end times for specified version bits deployment (regtest-only). Specifying window and threshold is optional.");
strUsage += HelpMessageOpt("-watchquorums=<n>", strprintf("Watch and validate quorum communication (default: %u)", llmq::DEFAULT_WATCH_QUORUMS));
strUsage += HelpMessageOpt("-addrmantest", "Allows to test address relay on localhost");
}
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:") + " " + ListLogCategories() + ".");
strUsage += HelpMessageOpt("-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.")));
strUsage += HelpMessageOpt("-disablegovernance", strprintf(_("Disable governance validation (0-1, default: %u)"), 0));
strUsage += HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)"));
strUsage += HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), DEFAULT_LOGIPS));
if (showDebug)
{
strUsage += HelpMessageOpt("-logthreadnames", strprintf("Add thread names to debug messages (default: %u)", DEFAULT_LOGTHREADNAMES));
strUsage += HelpMessageOpt("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS));
strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit sum of signature cache and script execution cache sizes 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("-mocktime=<n>", "Replace actual time with <n> seconds since epoch (default: 0)");
}
strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), DEFAULT_LOGTIMESTAMPS));
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("-minsporkkeys=<n>", strprintf(_("Overrides minimum spork signers to change spork value. Only useful for regtest and devnet. Using this on mainnet or testnet will ban you.")));
if (showDebug)
{
strUsage += HelpMessageOpt("-printpriority", strprintf("Log transaction fee per kB when mining blocks (default: %u)", DEFAULT_PRINTPRIORITY));
}
strUsage += HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file"));
strUsage += HelpMessageOpt("-printtodebuglog", strprintf(_("Send trace/debug info to debug.log file (default: %u)"), 1));
strUsage += HelpMessageOpt("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)"));
strUsage += HelpMessageOpt("-sporkaddr=<dashaddress>", strprintf(_("Override spork address. Only useful for regtest and devnet. Using this on mainnet or testnet will ban you.")));
strUsage += HelpMessageOpt("-uacomment=<cmt>", _("Append comment to the user agent string"));
AppendParamsHelpMessages(strUsage, showDebug);
strUsage += HelpMessageGroup(_("Masternode options:"));
strUsage += HelpMessageOpt("-masternodeblsprivkey=<hex>", _("Set the masternode BLS private key and enable the client to act as a masternode"));
strUsage += HelpMessageGroup(_("InstantSend options:"));
strUsage += HelpMessageOpt("-instantsendnotify=<cmd>", _("Execute command when a wallet InstantSend transaction is successfully locked (%s in cmd is replaced by TxID)"));
strUsage += HelpMessageGroup(_("Node relay options:"));
if (showDebug) {
strUsage += HelpMessageOpt("-acceptnonstdtxn", strprintf("Relay and mine \"non-standard\" transactions (%sdefault: %u)", "testnet/regtest only; ", !testnetChainParams->RequireStandard()));
strUsage += HelpMessageOpt("-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)));
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("-bytespersigop", strprintf(_("Minimum bytes per sigop in transactions we relay and mine (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("-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("-whitelistforcerelay", strprintf(_("Force relay of transactions from whitelisted peers even if they violate local relay policy (default: %d)"), DEFAULT_WHITELISTFORCERELAY));
strUsage += HelpMessageOpt("-whitelistrelay", strprintf(_("Accept relayed transactions received from whitelisted peers even when not relaying transactions (default: %d)"), DEFAULT_WHITELISTRELAY));
strUsage += HelpMessageGroup(_("Block creation options:"));
strUsage += HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_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("-rest", strprintf(_("Accept public REST requests (default: %u)"), DEFAULT_REST_ENABLE));
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("-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"));
strUsage += HelpMessageOpt("-rpcbind=<addr>[:port]", _("Bind to given address to listen for JSON-RPC connections. Do not expose the RPC server to untrusted networks such as the public internet! 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. Relative paths will be prefixed by a net-specific datadir location. (default: data dir)"));
strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections"));
strUsage += HelpMessageOpt("-rpcport=<port>", strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), defaultBaseParams->RPCPort(), testnetBaseParams->RPCPort()));
if (showDebug) {
strUsage += HelpMessageOpt("-rpcservertimeout=<n>", strprintf("Timeout during HTTP requests (default: %d)", DEFAULT_HTTP_SERVER_TIMEOUT));
strUsage += HelpMessageOpt("-rpcworkqueue=<n>", strprintf("Set the depth of the work queue to service RPC calls (default: %d)", DEFAULT_HTTP_WORKQUEUE));
}
strUsage += HelpMessageOpt("-rpcthreads=<n>", strprintf(_("Set the number of threads to service RPC calls (default: %d)"), DEFAULT_HTTP_THREADS));
strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections"));
strUsage += HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands"));
return strUsage;
}
std::string LicenseInfo()
{
const std::string URL_SOURCE_CODE = "<https://github.com/dashpay/dash>";
const std::string URL_WEBSITE = "<https://dash.org>";
return CopyrightHolders(_("Copyright (C)"), 2014, 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.
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 = GetDataDir() / "blocks";
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);
}
}
void ThreadImport(std::vector<fs::path> vImportFiles)
{
const CChainParams& chainparams = Params();
RenameThread("dash-loadblk");
{
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
// force UpdatedBlockTip to initialize nCachedBlockHeight for DS, MN payments and budgets
// but don't call it directly to prevent triggering of other listeners like zmq etc.
// GetMainSignals().UpdatedBlockTip(chainActive.Tip());
pdsNotificationInterface->InitializeCurrentBlockTip();
{
// Get all UTXOs for each MN collateral in one go so that we can fill coin cache early
// and reduce further locking overhead for cs_main in other parts of code inclluding GUI
LogPrintf("Filling coin cache with masternode UTXOs...\n");
LOCK(cs_main);
int64_t nStart = GetTimeMillis();
auto mnList = deterministicMNManager->GetListAtChainTip();
mnList.ForEachMN(false, [&](const CDeterministicMNCPtr& dmn) {
Coin coin;
GetUTXOCoin(dmn->collateralOutpoint, coin);
});
LogPrintf("Filling coin cache with masternode UTXOs: done in %dms\n", GetTimeMillis() - nStart);
}
if (fMasternodeMode) {
assert(activeMasternodeManager);
const CBlockIndex* pindexTip;
{
LOCK(cs_main);
pindexTip = chainActive.Tip();
}
activeMasternodeManager->Init(pindexTip);
}
g_wallet_init_interface->AutoLockMasternodeCollaterals();
if (gArgs.GetArg("-persistmempool", DEFAULT_PERSIST_MEMPOOL)) {
LoadMempool();
fDumpMempoolLater = !fRequestShutdown;
}
}
/** Sanity checks
* Ensure that Dash Core is running in a usable environment with all
* necessary library support.
*/
bool InitSanityCheck(void)
{
if(!ECC_InitSanityCheck()) {
InitError("Elliptic curve cryptography sanity check failure. Aborting.");
return false;
}
if (!glibc_sanity_test() || !glibcxx_sanity_test())
return false;
if (!BLSInit()) {
return false;
}
if (!Random_SanityCheck()) {
InitError("OS cryptographic RNG sanity check failure. Aborting.");
return false;
}
return true;
}
bool AppInitServers()
{
RPCServer::OnStarted(&OnRPCStarted);
RPCServer::OnStopped(&OnRPCStopped);
if (!InitHTTPServer())
return false;
if (!StartRPC())
return false;
if (!StartHTTPRPC())
return false;
if (gArgs.GetBoolArg("-rest", DEFAULT_REST_ENABLE) && !StartREST())
return false;
if (!StartHTTPServer())
return false;
return true;
}
// Parameter interaction based on rules
void InitParameterInteraction()
{
// when specifying an explicit binding address, you want to listen on it
// even when -connect or -proxy is specified
if (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__);
}
if (gArgs.GetBoolArg("-litemode", false)) {
if (gArgs.SoftSetBoolArg("-disablegovernance", true)) {
LogPrintf("%s: parameter interaction: -litemode=true -> setting -disablegovernance=true\n", __func__);
}
}
int64_t nPruneArg = gArgs.GetArg("-prune", 0);
if (nPruneArg > 0) {
if (gArgs.SoftSetBoolArg("-disablegovernance", true)) {
LogPrintf("%s: parameter interaction: -prune=%d -> setting -disablegovernance=true\n", __func__, nPruneArg);
}
if (gArgs.SoftSetBoolArg("-txindex", false)) {
LogPrintf("%s: parameter interaction: -prune=%d -> setting -txindex=false\n", __func__, nPruneArg);
}
}
// Make sure additional indexes are recalculated correctly in VerifyDB
// (we must reconnect blocks whenever we disconnect them for these indexes to work)
bool fAdditionalIndexes =
gArgs.GetBoolArg("-addressindex", DEFAULT_ADDRESSINDEX) ||
gArgs.GetBoolArg("-spentindex", DEFAULT_SPENTINDEX) ||
gArgs.GetBoolArg("-timestampindex", DEFAULT_TIMESTAMPINDEX);
if (fAdditionalIndexes && gArgs.GetArg("-checklevel", DEFAULT_CHECKLEVEL) < 4) {
gArgs.ForceSetArg("-checklevel", "4");
LogPrintf("%s: parameter interaction: additional indexes -> setting -checklevel=4\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);
}
void InitLogging()
{
fPrintToConsole = gArgs.GetBoolArg("-printtoconsole", false);
fPrintToDebugLog = gArgs.GetBoolArg("-printtodebuglog", true) && !fPrintToConsole;
fLogTimestamps = gArgs.GetBoolArg("-logtimestamps", DEFAULT_LOGTIMESTAMPS);
fLogTimeMicros = gArgs.GetBoolArg("-logtimemicros", DEFAULT_LOGTIMEMICROS);
fLogThreadNames = gArgs.GetBoolArg("-logthreadnames", DEFAULT_LOGTHREADNAMES);
fLogIPs = gArgs.GetBoolArg("-logips", DEFAULT_LOGIPS);
LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
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);
int64_t peer_connect_timeout;
} // 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 using block pruning, then disallow txindex and require disabling governance validation
if (gArgs.GetArg("-prune", 0)) {
if (gArgs.GetBoolArg("-txindex", DEFAULT_TXINDEX))
return InitError(_("Prune mode is incompatible with -txindex."));
if (!gArgs.GetBoolArg("-disablegovernance", false)) {
return InitError(_("Prune mode is incompatible with -disablegovernance=false."));
}
}
if (gArgs.IsArgSet("-devnet")) {
// Require setting of ports when running devnet
if (gArgs.GetArg("-listen", DEFAULT_LISTEN) && !gArgs.IsArgSet("-port")) {
return InitError(_("-port must be specified when -devnet and -listen are specified"));
}
if (gArgs.GetArg("-server", false) && !gArgs.IsArgSet("-rpcport")) {
return InitError(_("-rpcport must be specified when -devnet and -server are specified"));
}
if (gArgs.GetArgs("-devnet").size() > 1) {
return InitError(_("-devnet can only be specified once"));
}
}
fAllowPrivateNet = gArgs.GetBoolArg("-allowprivatenet", DEFAULT_ALLOWPRIVATENET);
// -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
nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS + MAX_ADDNODE_CONNECTIONS);
#ifdef USE_POLL
int fd_max = nFD;
#else
int fd_max = FD_SETSIZE;
#endif
nMaxConnections = std::max(std::min<int>(nMaxConnections, fd_max - nBind - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS), 0);
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) {
uint64_t flag;
if (!GetLogCategory(&flag, &cat)) {
InitWarning(strprintf(_("Unsupported logging category %s=%s."), "-debug", cat));
}
logCategories |= flag;
}
}
}
// Now remove the logging categories which were explicitly excluded
for (const std::string& cat : gArgs.GetArgs("-debugexclude")) {
uint64_t flag;
if (!GetLogCategory(&flag, &cat)) {
InitWarning(strprintf(_("Unsupported logging category %s=%s."), "-debugexclude", cat));
}
logCategories &= ~flag;
}
// 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 (gArgs.GetBoolArg("-regtest", false)) {
// we use 1MB blocks to test this on regtest
if (nPruneTarget < 550 * 1024 * 1024) {
return InitError(strprintf(_("Prune configured below the minimum of %d MiB. Please use a higher number."), 550));
}
} else {
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;
}
peer_connect_timeout = gArgs.GetArg("-peertimeout", DEFAULT_PEER_CONNECT_TIMEOUT);
if (peer_connect_timeout <= 0) {
return InitError("peertimeout cannot be configured with a negative value.");
}
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);
nMaxTipAge = gArgs.GetArg("-maxtipage", DEFAULT_MAX_TIP_AGE);
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 && vDeploymentParams.size() != 5 && vDeploymentParams.size() != 7) {
return InitError("Version bits parameters malformed, expecting deployment:start:end or deployment:start:end:window:threshold or deployment:start:end:window:thresholdstart:thresholdmin:falloffcoeff");
}
int64_t nStartTime, nTimeout, nWindowSize = -1, nThresholdStart = -1, nThresholdMin = -1, nFalloffCoeff = -1;
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]));
}
if (vDeploymentParams.size() == 5) {
if (!ParseInt64(vDeploymentParams[3], &nWindowSize)) {
return InitError(strprintf("Invalid nWindowSize (%s)", vDeploymentParams[3]));
}
if (!ParseInt64(vDeploymentParams[4], &nThresholdStart)) {
return InitError(strprintf("Invalid nThresholdStart (%s)", vDeploymentParams[4]));
}
}
if (vDeploymentParams.size() == 7) {
if (!ParseInt64(vDeploymentParams[5], &nThresholdMin)) {
return InitError(strprintf("Invalid nThresholdMin (%s)", vDeploymentParams[5]));
}
if (!ParseInt64(vDeploymentParams[6], &nFalloffCoeff)) {
return InitError(strprintf("Invalid nFalloffCoeff (%s)", vDeploymentParams[6]));
}
}
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, nWindowSize, nThresholdStart, nThresholdMin, nFalloffCoeff);
found = true;
LogPrintf("Setting version bits activation parameters for %s to start=%ld, timeout=%ld, window=%ld, thresholdstart=%ld, thresholdmin=%ld, falloffcoeff=%ld\n",
vDeploymentParams[0], nStartTime, nTimeout, nWindowSize, nThresholdStart, nThresholdMin, nFalloffCoeff);
break;
}
}
if (!found) {
return InitError(strprintf("Invalid deployment (%s)", vDeploymentParams[0]));
}
}
}
if (gArgs.IsArgSet("-dip3params")) {
// Allow overriding budget parameters for testing
if (!chainparams.MineBlocksOnDemand()) {
return InitError("DIP3 parameters may only be overridden on regtest.");
}
std::string strDIP3Params = gArgs.GetArg("-dip3params", "");
std::vector<std::string> vDIP3Params;
boost::split(vDIP3Params, strDIP3Params, boost::is_any_of(":"));
if (vDIP3Params.size() != 2) {
return InitError("DIP3 parameters malformed, expecting DIP3ActivationHeight:DIP3EnforcementHeight");
}
int nDIP3ActivationHeight, nDIP3EnforcementHeight;
if (!ParseInt32(vDIP3Params[0], &nDIP3ActivationHeight)) {
return InitError(strprintf("Invalid nDIP3ActivationHeight (%s)", vDIP3Params[0]));
}
if (!ParseInt32(vDIP3Params[1], &nDIP3EnforcementHeight)) {
return InitError(strprintf("Invalid nDIP3EnforcementHeight (%s)", vDIP3Params[1]));
}
UpdateDIP3Parameters(nDIP3ActivationHeight, nDIP3EnforcementHeight);
}
if (gArgs.IsArgSet("-budgetparams")) {
// Allow overriding budget parameters for testing
if (!chainparams.MineBlocksOnDemand()) {
return InitError("Budget parameters may only be overridden on regtest.");
}
std::string strBudgetParams = gArgs.GetArg("-budgetparams", "");
std::vector<std::string> vBudgetParams;
boost::split(vBudgetParams, strBudgetParams, boost::is_any_of(":"));
if (vBudgetParams.size() != 3) {
return InitError("Budget parameters malformed, expecting masternodePaymentsStartBlock:budgetPaymentsStartBlock:superblockStartBlock");
}
int nMasternodePaymentsStartBlock, nBudgetPaymentsStartBlock, nSuperblockStartBlock;
if (!ParseInt32(vBudgetParams[0], &nMasternodePaymentsStartBlock)) {
return InitError(strprintf("Invalid nMasternodePaymentsStartBlock (%s)", vBudgetParams[0]));
}
if (!ParseInt32(vBudgetParams[1], &nBudgetPaymentsStartBlock)) {
return InitError(strprintf("Invalid nBudgetPaymentsStartBlock (%s)", vBudgetParams[1]));
}
if (!ParseInt32(vBudgetParams[2], &nSuperblockStartBlock)) {
return InitError(strprintf("Invalid nSuperblockStartBlock (%s)", vBudgetParams[2]));
}
UpdateBudgetParameters(nMasternodePaymentsStartBlock, nBudgetPaymentsStartBlock, nSuperblockStartBlock);
}
if (chainparams.NetworkIDString() == CBaseChainParams::DEVNET) {
int nMinimumDifficultyBlocks = gArgs.GetArg("-minimumdifficultyblocks", chainparams.GetConsensus().nMinimumDifficultyBlocks);
int nHighSubsidyBlocks = gArgs.GetArg("-highsubsidyblocks", chainparams.GetConsensus().nHighSubsidyBlocks);
int nHighSubsidyFactor = gArgs.GetArg("-highsubsidyfactor", chainparams.GetConsensus().nHighSubsidyFactor);
UpdateDevnetSubsidyAndDiffParams(nMinimumDifficultyBlocks, nHighSubsidyBlocks, nHighSubsidyFactor);
} else if (gArgs.IsArgSet("-minimumdifficultyblocks") || gArgs.IsArgSet("-highsubsidyblocks") || gArgs.IsArgSet("-highsubsidyfactor")) {
return InitError("Difficulty and subsidy parameters may only be overridden on devnet.");
}
if (chainparams.NetworkIDString() == CBaseChainParams::DEVNET) {
std::string llmqTypeChainLocks = gArgs.GetArg("-llmqchainlocks", Params().GetConsensus().llmqs.at(Params().GetConsensus().llmqTypeChainLocks).name);
Consensus::LLMQType llmqType = Consensus::LLMQ_NONE;
for (const auto& p : Params().GetConsensus().llmqs) {
if (p.second.name == llmqTypeChainLocks) {
llmqType = p.first;
break;
}
}
if (llmqType == Consensus::LLMQ_NONE) {
return InitError("Invalid LLMQ type specified for -llmqchainlocks.");
}
UpdateDevnetLLMQChainLocks(llmqType);
} else if (gArgs.IsArgSet("-llmqchainlocks")) {
return InitError("LLMQ type for ChainLocks can only be overridden on devnet.");
}
if (chainparams.NetworkIDString() == CBaseChainParams::DEVNET) {
if (gArgs.IsArgSet("-llmqdevnetparams")) {
std::string s = gArgs.GetArg("-llmqdevnetparams", "");
std::vector<std::string> v;
boost::split(v, s, boost::is_any_of(":"));
int size, threshold;
if (v.size() != 2 || !ParseInt32(v[0], &size) || !ParseInt32(v[1], &threshold)) {
return InitError("Invalid -llmqdevnetparams specified");
}
UpdateLLMQDevnetParams(size, threshold);
}
} else if (gArgs.IsArgSet("-llmqdevnetparams")) {
return InitError("LLMQ devnet params can only be overridden on devnet.");
}
if (chainparams.NetworkIDString() == CBaseChainParams::REGTEST) {
if (gArgs.IsArgSet("-llmqtestparams")) {
std::string s = gArgs.GetArg("-llmqtestparams", "");
std::vector<std::string> v;
boost::split(v, s, boost::is_any_of(":"));
int size, threshold;
if (v.size() != 2 || !ParseInt32(v[0], &size) || !ParseInt32(v[1], &threshold)) {
return InitError("Invalid -llmqtestparams specified");
}
UpdateLLMQTestParams(size, threshold);
}
} else if (gArgs.IsArgSet("-llmqtestparams")) {
return InitError("LLMQ test params can only be overridden on regtest.");
}
if (gArgs.IsArgSet("-maxorphantx")) {
InitWarning("-maxorphantx is not supported anymore. Use -maxorphantxsize instead.");
}
if (gArgs.IsArgSet("-masternode")) {
InitWarning(_("-masternode option is deprecated and ignored, specifying -masternodeblsprivkey is enough to start this node as a masternode."));
}
if (gArgs.IsArgSet("-masternodeblsprivkey")) {
if (!gArgs.GetBoolArg("-listen", DEFAULT_LISTEN) && Params().RequireRoutableExternalIP()) {
return InitError("Masternode must accept connections from outside, set -listen=1");
}
if (!gArgs.GetBoolArg("-txindex", DEFAULT_TXINDEX)) {
return InitError("Masternode must have transaction index enabled, set -txindex=1");
}
if (!gArgs.GetBoolArg("-peerbloomfilters", DEFAULT_PEERBLOOMFILTERS)) {
return InitError("Masternode must have bloom filters enabled, set -peerbloomfilters=1");
}
if (gArgs.GetArg("-prune", 0) > 0) {
return InitError("Masternode must have no pruning enabled, set -prune=0");
}
if (gArgs.GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS) < DEFAULT_MAX_PEER_CONNECTIONS) {
return InitError(strprintf("Masternode must be able to handle at least %d connections, set -maxconnections=%d", DEFAULT_MAX_PEER_CONNECTIONS, DEFAULT_MAX_PEER_CONNECTIONS));
}
if (gArgs.GetBoolArg("-disablegovernance", false)) {
return InitError(_("You can not disable governance validation on a masternode."));
}
}
if (gArgs.IsArgSet("-litemode")) {
InitWarning(_("-litemode is deprecated.") + (gArgs.GetBoolArg("-litemode", false) ? (" " + _("Its replacement -disablegovernance has been forced instead.")) : ( " " + _("It has been replaced by -disablegovernance."))));
gArgs.ForceRemoveArg("-litemode");
}
fDisableGovernance = gArgs.GetBoolArg("-disablegovernance", false);
LogPrintf("fDisableGovernance %d\n", fDisableGovernance);
if (fDisableGovernance) {
InitWarning(_("You are starting with governance validation disabled.") + (fPruneMode ? " " + _("This is expected because you are running a pruned node.") : ""));
}
return true;
}
static bool LockDataDirectory(bool probeOnly)
{
// Make sure only a single Dash Core process is using the data directory.
fs::path datadir = GetDataDir();
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 (gArgs.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) {
if (!OpenDebugLog()) {
return InitError(strprintf("Could not open debug log file %s", GetDebugLogPath().string()));
}
}
if (!fLogTimestamps)
LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()));
LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
LogPrintf("Using data directory %s\n", GetDataDir().string());
LogPrintf("Using config file %s\n", GetConfigFile(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 Dash Core 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 Dash Core 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);
}
std::vector<std::string> vSporkAddresses;
if (gArgs.IsArgSet("-sporkaddr")) {
vSporkAddresses = gArgs.GetArgs("-sporkaddr");
} else {
vSporkAddresses = Params().SporkAddresses();
}
for (const auto& address: vSporkAddresses) {
if (!sporkManager.SetSporkAddress(address)) {
return InitError(_("Invalid spork address specified with -sporkaddr"));
}
}
int minsporkkeys = gArgs.GetArg("-minsporkkeys", Params().MinSporkKeys());
if (!sporkManager.SetMinSporkKeys(minsporkkeys)) {
return InitError(_("Invalid minimum number of spork signers specified with -minsporkkeys"));
}
if (gArgs.IsArgSet("-sporkkey")) { // spork priv key
if (!sporkManager.SetPrivKey(gArgs.GetArg("-sporkkey", ""))) {
return InitError(_("Unable to sign spork message, wrong key?"));
}
}
// 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
/* 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."));
}
// ********************************************************* Step 5: verify wallet database integrity
if(!g_wallet_init_interface->InitAutoBackup()) return false;
if (!g_wallet_init_interface->Verify()) return false;
// Initialize KeePass Integration
g_wallet_init_interface->InitKeePass();
// ********************************************************* 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;
if (chainparams.NetworkIDString() == CBaseChainParams::DEVNET) {
// Add devnet name to user agent. This allows to disconnect nodes immediately if they don't belong to our own devnet
uacomments.push_back(strprintf("devnet=%s", gArgs.GetDevNetName()));
}
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
pdsNotificationInterface = new CDSNotificationInterface(connman);
RegisterValidationInterface(pdsNotificationInterface);
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 7a: Load sporks
uiInterface.InitMessage(_("Loading sporks cache..."));
CFlatDB<CSporkManager> flatdb6("sporks.dat", "magicSporkCache");
if (!flatdb6.Load(sporkManager)) {
return InitError(_("Failed to load sporks cache from") + "\n" + (GetDataDir() / "sporks.dat").string());
}
// ********************************************************* Step 7b: 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 = nTotalCache / 8;
nBlockTreeDBCache = std::min(nBlockTreeDBCache, (gArgs.GetBoolArg("-txindex", DEFAULT_TXINDEX) ? nMaxBlockDBAndTxIndexCache : nMaxBlockDBCache) << 20);
nTotalCache -= nBlockTreeDBCache;
int64_t nCoinDBCache = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
nCoinDBCache = std::min(nCoinDBCache, nMaxCoinsDBCache << 20); // cap total coins db cache
nTotalCache -= nCoinDBCache;
nCoinCacheUsage = nTotalCache; // the rest goes to in-memory cache
int64_t nMempoolSizeMax = gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000;
int64_t nEvoDbCache = 1024 * 1024 * 16; // TODO
LogPrintf("Cache configuration:\n");
LogPrintf("* Using %.1fMiB for block index database\n", nBlockTreeDBCache * (1.0 / 1024 / 1024));
LogPrintf("* Using %.1fMiB for chain state database\n", nCoinDBCache * (1.0 / 1024 / 1024));
LogPrintf("* Using %.1fMiB for in-memory UTXO set (plus up to %.1fMiB of unused mempool space)\n", nCoinCacheUsage * (1.0 / 1024 / 1024), nMempoolSizeMax * (1.0 / 1024 / 1024));
bool fLoaded = false;
int64_t nStart = GetTimeMillis();
while (!fLoaded && !fRequestShutdown) {
bool fReset = fReindex;
std::string strLoadError;
uiInterface.InitMessage(_("Loading block index..."));
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));
llmq::DestroyLLMQSystem();
// Same logic as above with pblocktree
evoDb.reset();
evoDb.reset(new CEvoDB(nEvoDbCache, false, fReset || fReindexChainState));
deterministicMNManager.reset();
deterministicMNManager.reset(new CDeterministicMNManager(*evoDb));
llmq::InitLLMQSystem(*evoDb, false, fReset || fReindexChainState);
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 (fRequestShutdown) break;
// LoadBlockIndex will load fTxIndex from the db, or set it if
// we're reindexing. It will also 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 (!fDisableGovernance && !fTxIndex
&& chainparams.NetworkIDString() != CBaseChainParams::REGTEST) { // TODO remove this when pruning is fixed. See https://github.com/dashpay/dash/pull/1817 and https://github.com/dashpay/dash/pull/1743
return InitError(_("Transaction index can't be disabled with governance validation enabled. Either start with -disablegovernance command line switch or enable transaction index."));
}
// If the loaded chain has a wrong genesis, bail out immediately
// (we're likely using a testnet datadir, or the other way around).
if (!mapBlockIndex.empty() && mapBlockIndex.count(chainparams.GetConsensus().hashGenesisBlock) == 0)
return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));
if (!chainparams.GetConsensus().hashDevnetGenesisBlock.IsNull() && !mapBlockIndex.empty() && mapBlockIndex.count(chainparams.GetConsensus().hashDevnetGenesisBlock) == 0)
return InitError(_("Incorrect or no devnet genesis block found. Wrong datadir for devnet specified?"));
// Check for changed -txindex state
if (fTxIndex != gArgs.GetBoolArg("-txindex", DEFAULT_TXINDEX)) {
strLoadError = _("You need to rebuild the database using -reindex to change -txindex");
break;
}
// Check for changed -addressindex state
if (fAddressIndex != gArgs.GetBoolArg("-addressindex", DEFAULT_ADDRESSINDEX)) {
strLoadError = _("You need to rebuild the database using -reindex to change -addressindex");
break;
}
// Check for changed -timestampindex state
if (fTimestampIndex != gArgs.GetBoolArg("-timestampindex", DEFAULT_TIMESTAMPINDEX)) {
strLoadError = _("You need to rebuild the database using -reindex to change -timestampindex");
break;
}
// Check for changed -spentindex state
if (fSpentIndex != gArgs.GetBoolArg("-spentindex", DEFAULT_SPENTINDEX)) {
strLoadError = _("You need to rebuild the database using -reindex to change -spentindex");
break;
}
// Check for changed -prune state. What we are concerned about is a user who has pruned blocks
// in the past, but is now trying to run unpruned.
if (fHavePruned && !fPruneMode) {
strLoadError = _("You need to rebuild the database using -reindex to go back to unpruned mode. This will redownload the entire blockchain");
break;
}
// 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()));
// flush evodb
if (!evoDb->CommitRootTransaction()) {
strLoadError = _("Failed to commit EvoDB");
break;
}
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() != NULL);
}
if (is_coinsview_empty && !evoDb->IsEmpty()) {
// EvoDB processed some blocks earlier but we have no blocks anymore, something is wrong
strLoadError = _("Error initializing block database");
break;
}
if (!deterministicMNManager->UpgradeDBIfNeeded() || !llmq::quorumBlockProcessor->UpgradeDB()) {
strLoadError = _("Error upgrading evo database");
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);
}
{
LOCK(cs_main);
CBlockIndex* tip = chainActive.Tip();
RPCNotifyBlockChange(true, tip);
if (tip && tip->nTime > GetAdjustedTime() + 2 * 60 * 60) {
strLoadError = _("The block database contains a block which appears to be from the future. "
"This may be due to your computer's date and time being set incorrectly. "
"Only rebuild the block database if you are sure that your computer's date and time are correct");
break;
}
}
if (!CVerifyDB().VerifyDB(chainparams, pcoinsdbview.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 && !fRequestShutdown) {
// first suggest a reindex
if (!fReset) {
bool fRet = uiInterface.ThreadSafeQuestion(
strLoadError + ".\n\n" + _("Do you want to rebuild the block database now?"),
strLoadError + ".\nPlease restart with -reindex or -reindex-chainstate to recover.",
"", CClientUIInterface::MSG_ERROR | CClientUIInterface::BTN_ABORT);
if (fRet) {
fReindex = true;
fRequestShutdown = false;
} else {
LogPrintf("Aborted block database rebuild. Exiting.\n");
return false;
}
} else {
return InitError(strLoadError);
}
}
}
// As LoadBlockIndex can take several minutes, it's possible the user
// requested to kill the GUI during the last operation. If so, exit.
// As the program has not fully started yet, Shutdown() is possibly overkill.
if (fRequestShutdown)
{
LogPrintf("Shutdown requested. Exiting.\n");
return false;
}
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: load wallet
if (!g_wallet_init_interface->Open()) return false;
// As InitLoadWallet can take several minutes, it's possible the user
// requested to kill the GUI during the last operation. If so, exit.
if (fRequestShutdown)
{
LogPrintf("Shutdown requested. Exiting.\n");
return false;
}
// ********************************************************* Step 9: data directory maintenance
// if pruning, unset the service bit and perform the initial blockstore prune
// after any wallet rescanning has taken place.
if (fPruneMode) {
LogPrintf("Unsetting NODE_NETWORK on prune mode\n");
nLocalServices = ServiceFlags(nLocalServices & ~NODE_NETWORK);
if (!fReindex) {
uiInterface.InitMessage(_("Pruning blockstore..."));
PruneAndFlush();
}
}
// As PruneAndFlush can take several minutes, it's possible the user
// requested to kill the GUI during the last operation. If so, exit.
if (fRequestShutdown)
{
LogPrintf("Shutdown requested. Exiting.\n");
return false;
}
// ********************************************************* Step 10a: Prepare Masternode related stuff
fMasternodeMode = false;
std::string strMasterNodeBLSPrivKey = gArgs.GetArg("-masternodeblsprivkey", "");
if (!strMasterNodeBLSPrivKey.empty()) {
auto binKey = ParseHex(strMasterNodeBLSPrivKey);
CBLSSecretKey keyOperator;
keyOperator.SetBuf(binKey);
if (!keyOperator.IsValid()) {
return InitError(_("Invalid masternodeblsprivkey. Please see documentation."));
}
fMasternodeMode = true;
activeMasternodeInfo.blsKeyOperator = std::make_unique<CBLSSecretKey>(keyOperator);
activeMasternodeInfo.blsPubKeyOperator = std::make_unique<CBLSPublicKey>(activeMasternodeInfo.blsKeyOperator->GetPublicKey());
LogPrintf("MASTERNODE:\n");
LogPrintf(" blsPubKeyOperator: %s\n", keyOperator.GetPublicKey().ToString());
}
if(fMasternodeMode) {
// Create and register activeMasternodeManager, will init later in ThreadImport
activeMasternodeManager = new CActiveMasternodeManager();
RegisterValidationInterface(activeMasternodeManager);
}
if (activeMasternodeInfo.blsKeyOperator == nullptr) {
activeMasternodeInfo.blsKeyOperator = std::make_unique<CBLSSecretKey>();
}
if (activeMasternodeInfo.blsPubKeyOperator == nullptr) {
activeMasternodeInfo.blsPubKeyOperator = std::make_unique<CBLSPublicKey>();
}
// ********************************************************* Step 10b: setup PrivateSend
g_wallet_init_interface->InitPrivateSendSettings();
CPrivateSend::InitStandardDenominations();
// ********************************************************* Step 10b: Load cache data
// LOAD SERIALIZED DAT FILES INTO DATA CACHES FOR INTERNAL USE
bool fLoadCacheFiles = !(fReindex || fReindexChainState);
{
LOCK(cs_main);
// was blocks/chainstate deleted?
if (chainActive.Tip() == nullptr) {
fLoadCacheFiles = false;
}
}
fs::path pathDB = GetDataDir();
std::string strDBName;
strDBName = "mncache.dat";
uiInterface.InitMessage(_("Loading masternode cache..."));
CFlatDB<CMasternodeMetaMan> flatdb1(strDBName, "magicMasternodeCache");
if (fLoadCacheFiles) {
if(!flatdb1.Load(mmetaman)) {
return InitError(_("Failed to load masternode cache from") + "\n" + (pathDB / strDBName).string());
}
} else {
CMasternodeMetaMan mmetamanTmp;
if(!flatdb1.Dump(mmetamanTmp)) {
return InitError(_("Failed to clear masternode cache at") + "\n" + (pathDB / strDBName).string());
}
}
strDBName = "governance.dat";
uiInterface.InitMessage(_("Loading governance cache..."));
CFlatDB<CGovernanceManager> flatdb3(strDBName, "magicGovernanceCache");
if (fLoadCacheFiles && !fDisableGovernance) {
if(!flatdb3.Load(governance)) {
return InitError(_("Failed to load governance cache from") + "\n" + (pathDB / strDBName).string());
}
governance.InitOnLoad();
} else {
CGovernanceManager governanceTmp;
if(!flatdb3.Dump(governanceTmp)) {
return InitError(_("Failed to clear governance cache at") + "\n" + (pathDB / strDBName).string());
}
}
strDBName = "netfulfilled.dat";
uiInterface.InitMessage(_("Loading fulfilled requests cache..."));
CFlatDB<CNetFulfilledRequestManager> flatdb4(strDBName, "magicFulfilledCache");
if (fLoadCacheFiles) {
if(!flatdb4.Load(netfulfilledman)) {
return InitError(_("Failed to load fulfilled requests cache from") + "\n" + (pathDB / strDBName).string());
}
} else {
CNetFulfilledRequestManager netfulfilledmanTmp;
if(!flatdb4.Dump(netfulfilledmanTmp)) {
return InitError(_("Failed to clear fulfilled requests cache at") + "\n" + (pathDB / strDBName).string());
}
}
// ********************************************************* Step 10c: schedule Dash-specific tasks
scheduler.scheduleEvery(boost::bind(&CNetFulfilledRequestManager::DoMaintenance, boost::ref(netfulfilledman)), 60 * 1000);
scheduler.scheduleEvery(boost::bind(&CMasternodeSync::DoMaintenance, boost::ref(masternodeSync), boost::ref(*g_connman)), 1 * 1000);
scheduler.scheduleEvery(boost::bind(&CMasternodeUtils::DoMaintenance, boost::ref(*g_connman)), 1 * 1000);
if (!fDisableGovernance) {
scheduler.scheduleEvery(boost::bind(&CGovernanceManager::DoMaintenance, boost::ref(governance), boost::ref(*g_connman)), 60 * 5 * 1000);
}
if (fMasternodeMode) {
scheduler.scheduleEvery(boost::bind(&CPrivateSendServer::DoMaintenance, boost::ref(privateSendServer), boost::ref(*g_connman)), 1 * 1000);
}
llmq::StartLLMQSystem();
// ********************************************************* Step 11: import blocks
if (!CheckDiskSpace())
return false;
// Either install a handler to notify us when genesis activates, or set fHaveGenesis directly.
// No locking, as this happens before any background thread is started.
if (chainActive.Tip() == 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);
}
// As importing blocks can take several minutes, it's possible the user
// requested to kill the GUI during one of the last operations. If so, exit.
if (ShutdownRequested()) {
LogPrintf("Shutdown requested. Exiting.\n");
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("chainActive.Height() = %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;
connOptions.m_peer_connect_timeout = peer_connect_timeout;
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;
}
}
std::string strSocketEventsMode = gArgs.GetArg("-socketevents", DEFAULT_SOCKETEVENTS);
if (strSocketEventsMode == "select") {
connOptions.socketEventsMode = CConnman::SOCKETEVENTS_SELECT;
#ifdef USE_POLL
} else if (strSocketEventsMode == "poll") {
connOptions.socketEventsMode = CConnman::SOCKETEVENTS_POLL;
#endif
#ifdef USE_EPOLL
} else if (strSocketEventsMode == "epoll") {
connOptions.socketEventsMode = CConnman::SOCKETEVENTS_EPOLL;
#endif
} else {
return InitError(strprintf(_("Invalid -socketevents ('%s') specified. Only these modes are supported: %s"), strSocketEventsMode, GetSupportedSocketEventsStr()));
}
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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