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This commit is contained in:
Christopher Jeffrey 2014-09-17 12:52:35 -07:00
parent da2d677a47
commit 7c4b707387
2 changed files with 55 additions and 633 deletions
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11
lib/bitcoind.js
View File

@ -45,7 +45,10 @@ Bitcoin.prototype.start = function(callback) {
// bitcoind's boost threads aren't in the thread pool
// or on node's event loop, so we need to keep node open.
this._interval = setInterval(function() {
;
if (bitcoindjs.stopped()) {
clearInterval(self._interval);
delete self._interval;
}
}, 10000);
return this.log('log pipe opened: %d', this.log_pipe);
@ -73,8 +76,10 @@ Bitcoin.prototype.error = function() {
Bitcoin.prototype.stop =
Bitcoin.prototype.close = function(callback) {
var self = this;
clearInterval(this._interval);
delete this._interval;
if (this._interval) {
clearInterval(this._interval);
delete this._interval;
}
return bitcoindjs.stop(function(err, status) {
if (err) {
self.error(err.message);

677
src/bitcoindjs.cc
View File

@ -151,6 +151,9 @@ async_stop_node_after(uv_work_t *req);
static int
start_node(void);
static int
_start_node(void);
static void
open_pipes(int **out_pipe, int **log_pipe);
@ -306,6 +309,16 @@ async_start_node_after(uv_work_t *req) {
delete req;
}
/**
* IsStopped()
* bitcoind.stopped()
*/
NAN_METHOD(isStopped) {
NanScope();
NanReturnValue(NanNew<Boolean>(fRequestShutdown));
}
/**
* start_node(void)
* A reimplementation of AppInit2 minus
@ -322,652 +335,63 @@ start_node(void) {
noui_connect();
//
// appnit1:
// appinit1 / appinit2:
//
boost::thread* node_thread = NULL;
node_thread = new boost::thread(boost::bind(&_start_node));
//
// main:
//
// if (fRet && fDaemon) {
// return 0;
// }
// return fRet ? 0 : 1;
return 0;
}
static int
_start_node(void) {
//
// appinit1:
//
boost::thread_group threadGroup;
boost::thread* detectShutdownThread = NULL;
const int argc = 0;
const char *argv[argc + 1] = {
//"-server",
NULL
};
ParseParameters(argc, argv);
ReadConfigFile(mapArgs, mapMultiArgs);
// Check for -testnet or -regtest parameter (TestNet() calls are only valid after this clause)
if (!SelectParamsFromCommandLine()) {
return 1;
}
CreatePidFile(GetPidFile(), pid);
detectShutdownThread = new boost::thread(boost::bind(&DetectShutdownThread, &threadGroup));
// CreatePidFile(GetPidFile(), getpid());
detectShutdownThread = new boost::thread(
boost::bind(&DetectShutdownThread, &threadGroup));
//
// appnit2:
// appinit2:
//
// ********************************************************* Step 1: setup
umask(077);
// Clean shutdown on SIGTERM
struct sigaction sa;
sa.sa_handler = HandleSIGTERM;
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sigaction(SIGTERM, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
// Reopen debug.log on SIGHUP
struct sigaction sa_hup;
sa_hup.sa_handler = HandleSIGHUP;
sigemptyset(&sa_hup.sa_mask);
sa_hup.sa_flags = 0;
sigaction(SIGHUP, &sa_hup, NULL);
#if defined (__SVR4) && defined (__sun)
// ignore SIGPIPE on Solaris
signal(SIGPIPE, SIG_IGN);
#endif
// ********************************************************* Step 2: parameter interactions
if (mapArgs.count("-bind")) {
// when specifying an explicit binding address, you want to listen on it
// even when -connect or -proxy is specified
SoftSetBoolArg("-listen", true);
}
if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0) {
// when only connecting to trusted nodes, do not seed via DNS, or listen by default
SoftSetBoolArg("-dnsseed", false);
SoftSetBoolArg("-listen", false);
}
if (mapArgs.count("-proxy")) {
// to protect privacy, do not listen by default if a default proxy server is specified
SoftSetBoolArg("-listen", false);
}
if (!GetBoolArg("-listen", true)) {
// do not map ports or try to retrieve public IP when not listening (pointless)
SoftSetBoolArg("-upnp", false);
SoftSetBoolArg("-discover", false);
}
if (mapArgs.count("-externalip")) {
// if an explicit public IP is specified, do not try to find others
SoftSetBoolArg("-discover", false);
}
if (GetBoolArg("-salvagewallet", false)) {
// Rewrite just private keys: rescan to find transactions
SoftSetBoolArg("-rescan", true);
}
// -zapwallettx implies a rescan
if (GetBoolArg("-zapwallettxes", false)) {
SoftSetBoolArg("-rescan", true);
}
// Make sure enough file descriptors are available
int nBind = std::max((int)mapArgs.count("-bind"), 1);
nMaxConnections = GetArg("-maxconnections", 125);
nMaxConnections = std::max(std::min(nMaxConnections, (int)(FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS)), 0);
int nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS);
if (nFD < MIN_CORE_FILEDESCRIPTORS) {
return 1;
}
if (nFD - MIN_CORE_FILEDESCRIPTORS < nMaxConnections) {
nMaxConnections = nFD - MIN_CORE_FILEDESCRIPTORS;
}
// ********************************************************* Step 3: parameter-to-internal-flags
fDebug = !mapMultiArgs["-debug"].empty();
// Special-case: if -debug=0/-nodebug is set, turn off debugging messages
const vector<string>& categories = mapMultiArgs["-debug"];
if (GetBoolArg("-nodebug", false)
|| find(categories.begin(), categories.end(), string("0")) != categories.end()) {
fDebug = false;
}
// Check for -debugnet (deprecated)
GetBoolArg("-debugnet", false);
fBenchmark = GetBoolArg("-benchmark", false);
mempool.setSanityCheck(GetBoolArg("-checkmempool", RegTest()));
Checkpoints::fEnabled = GetBoolArg("-checkpoints", true);
// -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
nScriptCheckThreads = GetArg("-par", 0);
if (nScriptCheckThreads <= 0) {
nScriptCheckThreads += boost::thread::hardware_concurrency();
}
if (nScriptCheckThreads <= 1) {
nScriptCheckThreads = 0;
} else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS) {
nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS;
}
fServer = GetBoolArg("-server", false);
fPrintToConsole = GetBoolArg("-printtoconsole", false);
fLogTimestamps = GetBoolArg("-logtimestamps", true);
#ifdef ENABLE_WALLET
bool fDisableWallet = GetBoolArg("-disablewallet", false);
#endif
if (mapArgs.count("-timeout")) {
int nNewTimeout = GetArg("-timeout", 5000);
if (nNewTimeout > 0 && nNewTimeout < 600000) {
nConnectTimeout = nNewTimeout;
}
}
// Continue to put "/P2SH/" in the coinbase to monitor
// BIP16 support.
// This can be removed eventually...
const char* pszP2SH = "/P2SH/";
COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
// Fee-per-kilobyte amount considered the same as "free"
// If you are mining, be careful setting this:
// if you set it to zero then
// a transaction spammer can cheaply fill blocks using
// 1-satoshi-fee transactions. It should be set above the real
// cost to you of processing a transaction.
if (mapArgs.count("-mintxfee")) {
int64_t n = 0;
if (ParseMoney(mapArgs["-mintxfee"], n) && n > 0) {
CTransaction::nMinTxFee = n;
} else {
return 1;
}
}
if (mapArgs.count("-minrelaytxfee")) {
int64_t n = 0;
if (ParseMoney(mapArgs["-minrelaytxfee"], n) && n > 0) {
CTransaction::nMinRelayTxFee = n;
} else {
return 1;
}
}
#ifdef ENABLE_WALLET
if (mapArgs.count("-paytxfee")) {
if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee)) {
return 1;
}
}
bSpendZeroConfChange = GetArg("-spendzeroconfchange", true);
strWalletFile = GetArg("-wallet", "wallet.dat");
#endif
// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
std::string strDataDir = GetDataDir().string();
#ifdef ENABLE_WALLET
// Wallet file must be a plain filename without a directory
if (strWalletFile != boost::filesystem::basename(strWalletFile)
+ boost::filesystem::extension(strWalletFile)) {
return 1;
}
#endif
// Make sure only a single Bitcoin process is using the data directory.
boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
if (file) fclose(file);
static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
if (!lock.try_lock()) {
return 1;
}
if (GetBoolArg("-shrinkdebugfile", !fDebug)) {
ShrinkDebugFile();
}
int failure = 0;
if (nScriptCheckThreads) {
for (int i = 0; i < nScriptCheckThreads - 1; i++) {
threadGroup.create_thread(&ThreadScriptCheck);
}
}
int64_t nStart;
// ********************************************************* Step 5: verify wallet database integrity
#ifdef ENABLE_WALLET
if (!fDisableWallet) {
if (!bitdb.Open(GetDataDir())) {
// try moving the database env out of the way
boost::filesystem::path pathDatabase = GetDataDir() / "database";
boost::filesystem::path pathDatabaseBak = GetDataDir() / strprintf("database.%d.bak", GetTime());
try {
boost::filesystem::rename(pathDatabase, pathDatabaseBak);
} catch (boost::filesystem::filesystem_error &error) {
; // failure is ok (well, not really, but it's not worse than what we started with)
}
// try again
if (!bitdb.Open(GetDataDir())) {
// if it still fails, it probably means we can't even create the database env
// Error initializing wallet database environment
return 1;
}
}
if (GetBoolArg("-salvagewallet", false)) {
// Recover readable keypairs:
if (!CWalletDB::Recover(bitdb, strWalletFile, true)) {
return 1;
}
}
if (filesystem::exists(GetDataDir() / strWalletFile)) {
CDBEnv::VerifyResult r = bitdb.Verify(strWalletFile, CWalletDB::Recover);
if (r == CDBEnv::RECOVER_OK) {
; // wallet salvaged
}
if (r == CDBEnv::RECOVER_FAIL) {
return 1;
}
}
} // (!fDisableWallet)
#endif // ENABLE_WALLET
// ********************************************************* Step 6: network initialization
RegisterNodeSignals(GetNodeSignals());
int nSocksVersion = GetArg("-socks", 5);
if (nSocksVersion != 4 && nSocksVersion != 5) {
return 1;
}
if (mapArgs.count("-onlynet")) {
std::set<enum Network> nets;
BOOST_FOREACH(std::string snet, mapMultiArgs["-onlynet"]) {
enum Network net = ParseNetwork(snet);
if (net == NET_UNROUTABLE) {
return 1;
}
nets.insert(net);
}
for (int n = 0; n < NET_MAX; n++) {
enum Network net = (enum Network)n;
if (!nets.count(net)) {
SetLimited(net);
}
}
}
#if defined(USE_IPV6)
#if ! USE_IPV6
else
SetLimited(NET_IPV6);
#endif
#endif
CService addrProxy;
bool fProxy = false;
if (mapArgs.count("-proxy")) {
addrProxy = CService(mapArgs["-proxy"], 9050);
if (!addrProxy.IsValid()) {
return 1;
}
if (!IsLimited(NET_IPV4)) {
SetProxy(NET_IPV4, addrProxy, nSocksVersion);
}
if (nSocksVersion > 4) {
#ifdef USE_IPV6
if (!IsLimited(NET_IPV6)) {
SetProxy(NET_IPV6, addrProxy, nSocksVersion);
}
#endif
SetNameProxy(addrProxy, nSocksVersion);
}
fProxy = true;
}
// -onion can override normal proxy, -noonion disables tor entirely
if (!(mapArgs.count("-onion")
&& mapArgs["-onion"] == "0")
&& !(mapArgs.count("-tor")
&& mapArgs["-tor"] == "0")
&& (fProxy || mapArgs.count("-onion") || mapArgs.count("-tor"))) {
CService addrOnion;
if (!mapArgs.count("-onion") && !mapArgs.count("-tor")) {
addrOnion = addrProxy;
} else {
addrOnion = mapArgs.count("-onion")?CService(mapArgs["-onion"], 9050):CService(mapArgs["-tor"], 9050);
}
if (!addrOnion.IsValid()) {
return 1;
}
SetProxy(NET_TOR, addrOnion, 5);
SetReachable(NET_TOR);
}
// see Step 2: parameter interactions for more information about these
fNoListen = !GetBoolArg("-listen", true);
fDiscover = GetBoolArg("-discover", true);
fNameLookup = GetBoolArg("-dns", true);
bool fBound = false;
if (!fNoListen) {
if (mapArgs.count("-bind")) {
BOOST_FOREACH(std::string strBind, mapMultiArgs["-bind"]) {
CService addrBind;
if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))
return 1;
fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR));
}
} else {
struct in_addr inaddr_any;
inaddr_any.s_addr = INADDR_ANY;
#ifdef USE_IPV6
fBound |= Bind(CService(in6addr_any, GetListenPort()), BF_NONE);
#endif
fBound |= Bind(CService(inaddr_any, GetListenPort()), !fBound ? BF_REPORT_ERROR : BF_NONE);
}
if (!fBound) {
return 1;
}
}
if (mapArgs.count("-externalip")) {
BOOST_FOREACH(string strAddr, mapMultiArgs["-externalip"]) {
CService addrLocal(strAddr, GetListenPort(), fNameLookup);
if (!addrLocal.IsValid())
return 1;
AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL);
}
}
BOOST_FOREACH(string strDest, mapMultiArgs["-seednode"]) {
AddOneShot(strDest);
}
// ********************************************************* Step 7: load block chain
fReindex = GetBoolArg("-reindex", false);
// Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/
filesystem::path blocksDir = GetDataDir() / "blocks";
if (!filesystem::exists(blocksDir)) {
filesystem::create_directories(blocksDir);
bool linked = false;
for (unsigned int i = 1; i < 10000; i++) {
filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i);
if (!filesystem::exists(source)) break;
filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1);
try {
filesystem::create_hard_link(source, dest);
linked = true;
} catch (filesystem::filesystem_error & e) {
// Note: hardlink creation failing is not a disaster, it just means
// blocks will get re-downloaded from peers.
break;
}
}
if (linked) {
fReindex = true;
}
}
// cache size calculations
size_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20);
if (nTotalCache < (nMinDbCache << 20)) {
nTotalCache = (nMinDbCache << 20); // total cache cannot be less than nMinDbCache
} else if (nTotalCache > (nMaxDbCache << 20)) {
nTotalCache = (nMaxDbCache << 20); // total cache cannot be greater than nMaxDbCache
}
size_t nBlockTreeDBCache = nTotalCache / 8;
if (nBlockTreeDBCache > (1 << 21) && !GetBoolArg("-txindex", false)) {
nBlockTreeDBCache = (1 << 21); // block tree db cache shouldn't be larger than 2 MiB
}
nTotalCache -= nBlockTreeDBCache;
size_t nCoinDBCache = nTotalCache / 2; // use half of the remaining cache for coindb cache
nTotalCache -= nCoinDBCache;
nCoinCacheSize = nTotalCache / 300; // coins in memory require around 300 bytes
bool fLoaded = false;
while (!fLoaded) {
bool fReset = fReindex;
nStart = GetTimeMillis();
do {
try {
UnloadBlockIndex();
delete pcoinsTip;
delete pcoinsdbview;
delete pblocktree;
pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex);
pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex);
pcoinsTip = new CCoinsViewCache(*pcoinsdbview);
if (fReindex) {
pblocktree->WriteReindexing(true);
}
if (!LoadBlockIndex()) {
// Error loading block database
break;
}
// If the loaded chain has a wrong genesis, bail out immediately
// (we're likely using a testnet datadir, or the other way around).
if (!mapBlockIndex.empty() && chainActive.Genesis() == NULL) {
return 1;
}
// Initialize the block index (no-op if non-empty database was already loaded)
if (!InitBlockIndex()) {
// Error initializing block database
break;
}
// Check for changed -txindex state
if (fTxIndex != GetBoolArg("-txindex", false)) {
// You need to rebuild the database using -reindex to change -txindex
break;
}
if (!VerifyDB(GetArg("-checklevel", 3), GetArg("-checkblocks", 288))) {
// Corrupted block database detected
break;
}
} catch(std::exception &e) {
// Error opening block database
break;
}
fLoaded = true;
} while (false);
if (!fLoaded) {
// first suggest a reindex
if (!fReset) {
// automatically reindex:
fReindex = true;
fRequestShutdown = false;
} else {
return 1;
}
}
}
// 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) {
return 1;
}
// ********************************************************* Step 8: load wallet
#ifdef ENABLE_WALLET
if (fDisableWallet) {
pwalletMain = NULL;
} else {
if (GetBoolArg("-zapwallettxes", false)) {
pwalletMain = new CWallet(strWalletFile);
DBErrors nZapWalletRet = pwalletMain->ZapWalletTx();
if (nZapWalletRet != DB_LOAD_OK) {
return 1;
}
delete pwalletMain;
pwalletMain = NULL;
}
nStart = GetTimeMillis();
bool fFirstRun = true;
pwalletMain = new CWallet(strWalletFile);
DBErrors nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun);
if (nLoadWalletRet != DB_LOAD_OK) {
if (nLoadWalletRet == DB_CORRUPT) {
// Error loading wallet.dat: Wallet corrupted
failure = 1;
} else if (nLoadWalletRet == DB_NONCRITICAL_ERROR) {
// wallet okay, txs bad
} else if (nLoadWalletRet == DB_TOO_NEW) {
// Error loading wallet.dat: Wallet requires newer version of Bitcoin
failure = 1;
} else if (nLoadWalletRet == DB_NEED_REWRITE) {
// Wallet needed to be rewritten: restart Bitcoin to complete
failure = 1;
return 1;
} else {
// Error loading wallet.dat
failure = 1;
}
}
if (GetBoolArg("-upgradewallet", fFirstRun)) {
int nMaxVersion = GetArg("-upgradewallet", 0);
if (nMaxVersion == 0) { // the -upgradewallet without argument case
nMaxVersion = CLIENT_VERSION;
pwalletMain->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately
} else if (nMaxVersion < pwalletMain->GetVersion()) {
// Cannot downgrade wallet
failure = 1;
}
pwalletMain->SetMaxVersion(nMaxVersion);
}
if (fFirstRun) {
// Create new keyUser and set as default key
RandAddSeedPerfmon();
CPubKey newDefaultKey;
if (pwalletMain->GetKeyFromPool(newDefaultKey)) {
pwalletMain->SetDefaultKey(newDefaultKey);
if (!pwalletMain->SetAddressBook(pwalletMain->vchDefaultKey.GetID(), "", "receive")) {
// Cannot write default address
failure = 1;
}
}
pwalletMain->SetBestChain(chainActive.GetLocator());
}
RegisterWallet(pwalletMain);
CBlockIndex *pindexRescan = chainActive.Tip();
if (GetBoolArg("-rescan", false)) {
pindexRescan = chainActive.Genesis();
} else {
CWalletDB walletdb(strWalletFile);
CBlockLocator locator;
if (walletdb.ReadBestBlock(locator)) {
pindexRescan = chainActive.FindFork(locator);
} else {
pindexRescan = chainActive.Genesis();
}
}
if (chainActive.Tip() && chainActive.Tip() != pindexRescan) {
nStart = GetTimeMillis();
pwalletMain->ScanForWalletTransactions(pindexRescan, true);
pwalletMain->SetBestChain(chainActive.GetLocator());
nWalletDBUpdated++;
}
} // (!fDisableWallet)
#endif // !ENABLE_WALLET
// ********************************************************* Step 9: import blocks
// scan for better chains in the block chain database, that are not yet connected in the active best chain
CValidationState state;
if (!ActivateBestChain(state)) {
// Failed to connect best block
failure = 1;
}
std::vector<boost::filesystem::path> vImportFiles;
if (mapArgs.count("-loadblock")) {
BOOST_FOREACH(string strFile, mapMultiArgs["-loadblock"]) {
vImportFiles.push_back(strFile);
}
}
threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles));
// ********************************************************* Step 10: load peers
nStart = GetTimeMillis();
{
CAddrDB adb;
adb.Read(addrman);
}
// ********************************************************* Step 11: start node
if (!CheckDiskSpace()) {
return 1;
}
if (failure) {
return 1;
}
RandAddSeedPerfmon();
StartNode(threadGroup);
// InitRPCMining is needed here so getwork/getblocktemplate in the GUI debug console works properly.
InitRPCMining();
if (fServer) {
StartRPCThreads();
}
#ifdef ENABLE_WALLET
// Generate coins in the background
if (pwalletMain) {
GenerateBitcoins(GetBoolArg("-gen", false), pwalletMain, GetArg("-genproclimit", -1));
}
#endif
// ********************************************************* Step 12: finished
#ifdef ENABLE_WALLET
if (pwalletMain) {
// Add wallet transactions that aren't already in a block to mapTransactions
pwalletMain->ReacceptWalletTransactions();
// Run a thread to flush wallet periodically
threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(pwalletMain->strWalletFile)));
}
#endif
int fRet = AppInit2(threadGroup);
//
// appinit1:
//
int fRet = !fRequestShutdown;
if (!fRet) {
if (detectShutdownThread)
detectShutdownThread->interrupt();
threadGroup.interrupt_all();
// threadGroup.join_all(); was left out intentionally here, because we didn't re-test all of
// the startup-failure cases to make sure they don't result in a hang due to some
// thread-blocking-waiting-for-another-thread-during-startup case
}
if (detectShutdownThread) {
@ -977,14 +401,6 @@ start_node(void) {
}
Shutdown();
//
// main:
//
if (fRet && fDaemon) {
return 0;
}
return fRet ? 0 : 1;
}
@ -1240,6 +656,7 @@ init(Handle<Object> target) {
NanScope();
NODE_SET_METHOD(target, "start", StartBitcoind);
NODE_SET_METHOD(target, "stop", StopBitcoind);
NODE_SET_METHOD(target, "stopped", IsStopped);
}
NODE_MODULE(bitcoindjs, init)