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-rw-r--r--src/chainparams.cpp1
-rw-r--r--src/httpserver.cpp2
-rw-r--r--src/init.cpp2
-rw-r--r--src/net_processing.cpp17
-rw-r--r--src/netbase.cpp2
-rw-r--r--src/policy/fees.cpp4
-rw-r--r--src/qt/coincontroldialog.cpp3
-rw-r--r--src/qt/guiutil.cpp12
-rw-r--r--src/qt/guiutil.h2
-rw-r--r--src/qt/peertablemodel.cpp20
-rw-r--r--src/qt/peertablemodel.h6
-rw-r--r--src/qt/rpcconsole.cpp20
-rw-r--r--src/qt/rpcconsole.h1
-rw-r--r--src/validation.cpp26
-rw-r--r--src/wallet/db.cpp69
-rw-r--r--src/wallet/rpcdump.cpp2
-rw-r--r--src/wallet/rpcwallet.cpp2
-rw-r--r--src/wallet/wallet.cpp2
18 files changed, 139 insertions, 54 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 85c9cd6934..afdac16da4 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -230,7 +230,6 @@ public:
vSeeds.emplace_back("testnet-seed.bitcoin.jonasschnelli.ch", true);
vSeeds.emplace_back("seed.tbtc.petertodd.org", true);
vSeeds.emplace_back("testnet-seed.bluematt.me", false);
- vSeeds.emplace_back("testnet-seed.bitcoin.schildbach.de", false);
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
diff --git a/src/httpserver.cpp b/src/httpserver.cpp
index 5923871691..31b6a3705b 100644
--- a/src/httpserver.cpp
+++ b/src/httpserver.cpp
@@ -481,6 +481,8 @@ void StopHTTPServer()
}
if (eventBase) {
LogPrint(BCLog::HTTP, "Waiting for HTTP event thread to exit\n");
+ // Exit the event loop as soon as there are no active events.
+ event_base_loopexit(eventBase, nullptr);
// Give event loop a few seconds to exit (to send back last RPC responses), then break it
// Before this was solved with event_base_loopexit, but that didn't work as expected in
// at least libevent 2.0.21 and always introduced a delay. In libevent
diff --git a/src/init.cpp b/src/init.cpp
index f63ad7f5d3..6557434880 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -588,7 +588,7 @@ void CleanupBlockRevFiles()
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 (is_regular_file(*it) &&
+ if (fs::is_regular_file(*it) &&
it->path().filename().string().length() == 12 &&
it->path().filename().string().substr(8,4) == ".dat")
{
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index f83a20102e..50ac76924b 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -2187,7 +2187,16 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
mapBlockSource.emplace(pblock->GetHash(), std::make_pair(pfrom->GetId(), false));
}
bool fNewBlock = false;
- ProcessNewBlock(chainparams, pblock, true, &fNewBlock);
+ // Setting fForceProcessing to true means that we bypass some of
+ // our anti-DoS protections in AcceptBlock, which filters
+ // unrequested blocks that might be trying to waste our resources
+ // (eg disk space). Because we only try to reconstruct blocks when
+ // we're close to caught up (via the CanDirectFetch() requirement
+ // above, combined with the behavior of not requesting blocks until
+ // we have a chain with at least nMinimumChainWork), and we ignore
+ // compact blocks with less work than our tip, it is safe to treat
+ // reconstructed compact blocks as having been requested.
+ ProcessNewBlock(chainparams, pblock, /*fForceProcessing=*/true, &fNewBlock);
if (fNewBlock) {
pfrom->nLastBlockTime = GetTime();
} else {
@@ -2267,7 +2276,11 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
bool fNewBlock = false;
// Since we requested this block (it was in mapBlocksInFlight), force it to be processed,
// even if it would not be a candidate for new tip (missing previous block, chain not long enough, etc)
- ProcessNewBlock(chainparams, pblock, true, &fNewBlock);
+ // This bypasses some anti-DoS logic in AcceptBlock (eg to prevent
+ // disk-space attacks), but this should be safe due to the
+ // protections in the compact block handler -- see related comment
+ // in compact block optimistic reconstruction handling.
+ ProcessNewBlock(chainparams, pblock, /*fForceProcessing=*/true, &fNewBlock);
if (fNewBlock) {
pfrom->nLastBlockTime = GetTime();
} else {
diff --git a/src/netbase.cpp b/src/netbase.cpp
index 5a560bc95a..82040605c5 100644
--- a/src/netbase.cpp
+++ b/src/netbase.cpp
@@ -291,7 +291,7 @@ struct ProxyCredentials
std::string password;
};
-/** Convert SOCKS5 reply to a an error message */
+/** Convert SOCKS5 reply to an error message */
std::string Socks5ErrorString(uint8_t err)
{
switch(err) {
diff --git a/src/policy/fees.cpp b/src/policy/fees.cpp
index dcf49de5f1..c7e57671c0 100644
--- a/src/policy/fees.cpp
+++ b/src/policy/fees.cpp
@@ -180,6 +180,7 @@ TxConfirmStats::TxConfirmStats(const std::vector<double>& defaultBuckets,
: buckets(defaultBuckets), bucketMap(defaultBucketMap)
{
decay = _decay;
+ assert(_scale != 0 && "_scale must be non-zero");
scale = _scale;
confAvg.resize(maxPeriods);
for (unsigned int i = 0; i < maxPeriods; i++) {
@@ -418,6 +419,9 @@ void TxConfirmStats::Read(CAutoFile& filein, int nFileVersion, size_t numBuckets
throw std::runtime_error("Corrupt estimates file. Decay must be between 0 and 1 (non-inclusive)");
}
filein >> scale;
+ if (scale == 0) {
+ throw std::runtime_error("Corrupt estimates file. Scale must be non-zero");
+ }
}
filein >> avg;
diff --git a/src/qt/coincontroldialog.cpp b/src/qt/coincontroldialog.cpp
index 6952eb5064..207e441b6b 100644
--- a/src/qt/coincontroldialog.cpp
+++ b/src/qt/coincontroldialog.cpp
@@ -582,8 +582,7 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog)
QString toolTipDust = tr("This label turns red if any recipient receives an amount smaller than the current dust threshold.");
// how many satoshis the estimated fee can vary per byte we guess wrong
- assert(nBytes != 0);
- double dFeeVary = (double)nPayFee / nBytes;
+ double dFeeVary = (nBytes != 0) ? (double)nPayFee / nBytes : 0;
QString toolTip4 = tr("Can vary +/- %1 satoshi(s) per input.").arg(dFeeVary);
diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
index d520d7d4be..4bd63f4649 100644
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -984,6 +984,18 @@ QString formatNiceTimeOffset(qint64 secs)
return timeBehindText;
}
+QString formatBytes(uint64_t bytes)
+{
+ if(bytes < 1024)
+ return QString(QObject::tr("%1 B")).arg(bytes);
+ if(bytes < 1024 * 1024)
+ return QString(QObject::tr("%1 KB")).arg(bytes / 1024);
+ if(bytes < 1024 * 1024 * 1024)
+ return QString(QObject::tr("%1 MB")).arg(bytes / 1024 / 1024);
+
+ return QString(QObject::tr("%1 GB")).arg(bytes / 1024 / 1024 / 1024);
+}
+
void ClickableLabel::mouseReleaseEvent(QMouseEvent *event)
{
Q_EMIT clicked(event->pos());
diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
index d10818d0c8..7622816f7f 100644
--- a/src/qt/guiutil.h
+++ b/src/qt/guiutil.h
@@ -199,6 +199,8 @@ namespace GUIUtil
QString formatNiceTimeOffset(qint64 secs);
+ QString formatBytes(uint64_t bytes);
+
class ClickableLabel : public QLabel
{
Q_OBJECT
diff --git a/src/qt/peertablemodel.cpp b/src/qt/peertablemodel.cpp
index 42934f8055..8b2a7e7047 100644
--- a/src/qt/peertablemodel.cpp
+++ b/src/qt/peertablemodel.cpp
@@ -33,6 +33,10 @@ bool NodeLessThan::operator()(const CNodeCombinedStats &left, const CNodeCombine
return pLeft->cleanSubVer.compare(pRight->cleanSubVer) < 0;
case PeerTableModel::Ping:
return pLeft->dMinPing < pRight->dMinPing;
+ case PeerTableModel::Sent:
+ return pLeft->nSendBytes < pRight->nSendBytes;
+ case PeerTableModel::Received:
+ return pLeft->nRecvBytes < pRight->nRecvBytes;
}
return false;
@@ -114,7 +118,7 @@ PeerTableModel::PeerTableModel(ClientModel *parent) :
clientModel(parent),
timer(0)
{
- columns << tr("NodeId") << tr("Node/Service") << tr("User Agent") << tr("Ping");
+ columns << tr("NodeId") << tr("Node/Service") << tr("Ping") << tr("Sent") << tr("Received") << tr("User Agent");
priv.reset(new PeerTablePriv());
// default to unsorted
priv->sortColumn = -1;
@@ -173,10 +177,20 @@ QVariant PeerTableModel::data(const QModelIndex &index, int role) const
return QString::fromStdString(rec->nodeStats.cleanSubVer);
case Ping:
return GUIUtil::formatPingTime(rec->nodeStats.dMinPing);
+ case Sent:
+ return GUIUtil::formatBytes(rec->nodeStats.nSendBytes);
+ case Received:
+ return GUIUtil::formatBytes(rec->nodeStats.nRecvBytes);
}
} else if (role == Qt::TextAlignmentRole) {
- if (index.column() == Ping)
- return (QVariant)(Qt::AlignRight | Qt::AlignVCenter);
+ switch (index.column()) {
+ case Ping:
+ case Sent:
+ case Received:
+ return QVariant(Qt::AlignRight | Qt::AlignVCenter);
+ default:
+ return QVariant();
+ }
}
return QVariant();
diff --git a/src/qt/peertablemodel.h b/src/qt/peertablemodel.h
index cc47b67ec9..ec91d07127 100644
--- a/src/qt/peertablemodel.h
+++ b/src/qt/peertablemodel.h
@@ -55,8 +55,10 @@ public:
enum ColumnIndex {
NetNodeId = 0,
Address = 1,
- Subversion = 2,
- Ping = 3
+ Ping = 2,
+ Sent = 3,
+ Received = 4,
+ Subversion = 5
};
/** @name Methods overridden from QAbstractTableModel
diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index d895fc1663..068c40e1e6 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -935,18 +935,6 @@ void RPCConsole::on_sldGraphRange_valueChanged(int value)
setTrafficGraphRange(mins);
}
-QString RPCConsole::FormatBytes(quint64 bytes)
-{
- if(bytes < 1024)
- return QString(tr("%1 B")).arg(bytes);
- if(bytes < 1024 * 1024)
- return QString(tr("%1 KB")).arg(bytes / 1024);
- if(bytes < 1024 * 1024 * 1024)
- return QString(tr("%1 MB")).arg(bytes / 1024 / 1024);
-
- return QString(tr("%1 GB")).arg(bytes / 1024 / 1024 / 1024);
-}
-
void RPCConsole::setTrafficGraphRange(int mins)
{
ui->trafficGraph->setGraphRangeMins(mins);
@@ -955,8 +943,8 @@ void RPCConsole::setTrafficGraphRange(int mins)
void RPCConsole::updateTrafficStats(quint64 totalBytesIn, quint64 totalBytesOut)
{
- ui->lblBytesIn->setText(FormatBytes(totalBytesIn));
- ui->lblBytesOut->setText(FormatBytes(totalBytesOut));
+ ui->lblBytesIn->setText(GUIUtil::formatBytes(totalBytesIn));
+ ui->lblBytesOut->setText(GUIUtil::formatBytes(totalBytesOut));
}
void RPCConsole::peerSelected(const QItemSelection &selected, const QItemSelection &deselected)
@@ -1050,8 +1038,8 @@ void RPCConsole::updateNodeDetail(const CNodeCombinedStats *stats)
ui->peerServices->setText(GUIUtil::formatServicesStr(stats->nodeStats.nServices));
ui->peerLastSend->setText(stats->nodeStats.nLastSend ? GUIUtil::formatDurationStr(GetSystemTimeInSeconds() - stats->nodeStats.nLastSend) : tr("never"));
ui->peerLastRecv->setText(stats->nodeStats.nLastRecv ? GUIUtil::formatDurationStr(GetSystemTimeInSeconds() - stats->nodeStats.nLastRecv) : tr("never"));
- ui->peerBytesSent->setText(FormatBytes(stats->nodeStats.nSendBytes));
- ui->peerBytesRecv->setText(FormatBytes(stats->nodeStats.nRecvBytes));
+ ui->peerBytesSent->setText(GUIUtil::formatBytes(stats->nodeStats.nSendBytes));
+ ui->peerBytesRecv->setText(GUIUtil::formatBytes(stats->nodeStats.nRecvBytes));
ui->peerConnTime->setText(GUIUtil::formatDurationStr(GetSystemTimeInSeconds() - stats->nodeStats.nTimeConnected));
ui->peerPingTime->setText(GUIUtil::formatPingTime(stats->nodeStats.dPingTime));
ui->peerPingWait->setText(GUIUtil::formatPingTime(stats->nodeStats.dPingWait));
diff --git a/src/qt/rpcconsole.h b/src/qt/rpcconsole.h
index da06818f87..ad6e84a44a 100644
--- a/src/qt/rpcconsole.h
+++ b/src/qt/rpcconsole.h
@@ -123,7 +123,6 @@ Q_SIGNALS:
void cmdRequest(const QString &command);
private:
- static QString FormatBytes(quint64 bytes);
void startExecutor();
void setTrafficGraphRange(int mins);
/** show detailed information on ui about selected node */
diff --git a/src/validation.cpp b/src/validation.cpp
index 7f6697c780..866e0c9fba 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -939,6 +939,9 @@ bool GetTransaction(const uint256 &hash, CTransactionRef &txOut, const Consensus
return error("%s: txid mismatch", __func__);
return true;
}
+
+ // transaction not found in index, nothing more can be done
+ return false;
}
if (fAllowSlow) { // use coin database to locate block that contains transaction, and scan it
@@ -3132,6 +3135,12 @@ static bool AcceptBlock(const std::shared_ptr<const CBlock>& pblock, CValidation
if (pindex->nTx != 0) return true; // This is a previously-processed block that was pruned
if (!fHasMoreWork) return true; // Don't process less-work chains
if (fTooFarAhead) return true; // Block height is too high
+
+ // Protect against DoS attacks from low-work chains.
+ // If our tip is behind, a peer could try to send us
+ // low-work blocks on a fake chain that we would never
+ // request; don't process these.
+ if (pindex->nChainWork < nMinimumChainWork) return true;
}
if (fNewBlock) *fNewBlock = true;
@@ -4287,8 +4296,9 @@ bool LoadMempool(void)
}
int64_t count = 0;
- int64_t skipped = 0;
+ int64_t expired = 0;
int64_t failed = 0;
+ int64_t already_there = 0;
int64_t nNow = GetTime();
try {
@@ -4319,10 +4329,18 @@ bool LoadMempool(void)
if (state.IsValid()) {
++count;
} else {
- ++failed;
+ // mempool may contain the transaction already, e.g. from
+ // wallet(s) having loaded it while we were processing
+ // mempool transactions; consider these as valid, instead of
+ // failed, but mark them as 'already there'
+ if (mempool.exists(tx->GetHash())) {
+ ++already_there;
+ } else {
+ ++failed;
+ }
}
} else {
- ++skipped;
+ ++expired;
}
if (ShutdownRequested())
return false;
@@ -4338,7 +4356,7 @@ bool LoadMempool(void)
return false;
}
- LogPrintf("Imported mempool transactions from disk: %i successes, %i failed, %i expired\n", count, failed, skipped);
+ LogPrintf("Imported mempool transactions from disk: %i succeeded, %i failed, %i expired, %i already there\n", count, failed, expired, already_there);
return true;
}
diff --git a/src/wallet/db.cpp b/src/wallet/db.cpp
index d66ba48421..459d289a42 100644
--- a/src/wallet/db.cpp
+++ b/src/wallet/db.cpp
@@ -20,6 +20,40 @@
#include <boost/thread.hpp>
+namespace {
+//! Make sure database has a unique fileid within the environment. If it
+//! doesn't, throw an error. BDB caches do not work properly when more than one
+//! open database has the same fileid (values written to one database may show
+//! up in reads to other databases).
+//!
+//! BerkeleyDB generates unique fileids by default
+//! (https://docs.oracle.com/cd/E17275_01/html/programmer_reference/program_copy.html),
+//! so bitcoin should never create different databases with the same fileid, but
+//! this error can be triggered if users manually copy database files.
+void CheckUniqueFileid(const CDBEnv& env, const std::string& filename, Db& db)
+{
+ if (env.IsMock()) return;
+
+ u_int8_t fileid[DB_FILE_ID_LEN];
+ int ret = db.get_mpf()->get_fileid(fileid);
+ if (ret != 0) {
+ throw std::runtime_error(strprintf("CDB: Can't open database %s (get_fileid failed with %d)", filename, ret));
+ }
+
+ for (const auto& item : env.mapDb) {
+ u_int8_t item_fileid[DB_FILE_ID_LEN];
+ if (item.second && item.second->get_mpf()->get_fileid(item_fileid) == 0 &&
+ memcmp(fileid, item_fileid, sizeof(fileid)) == 0) {
+ const char* item_filename = nullptr;
+ item.second->get_dbname(&item_filename, nullptr);
+ throw std::runtime_error(strprintf("CDB: Can't open database %s (duplicates fileid %s from %s)", filename,
+ HexStr(std::begin(item_fileid), std::end(item_fileid)),
+ item_filename ? item_filename : "(unknown database)"));
+ }
+ }
+}
+} // namespace
+
//
// CDB
//
@@ -379,35 +413,34 @@ CDB::CDB(CWalletDBWrapper& dbw, const char* pszMode, bool fFlushOnCloseIn) : pdb
if (!env->Open(GetDataDir()))
throw std::runtime_error("CDB: Failed to open database environment.");
- strFile = strFilename;
- ++env->mapFileUseCount[strFile];
- pdb = env->mapDb[strFile];
+ pdb = env->mapDb[strFilename];
if (pdb == nullptr) {
int ret;
- pdb = new Db(env->dbenv, 0);
+ std::unique_ptr<Db> pdb_temp(new Db(env->dbenv, 0));
bool fMockDb = env->IsMock();
if (fMockDb) {
- DbMpoolFile* mpf = pdb->get_mpf();
+ DbMpoolFile* mpf = pdb_temp->get_mpf();
ret = mpf->set_flags(DB_MPOOL_NOFILE, 1);
- if (ret != 0)
- throw std::runtime_error(strprintf("CDB: Failed to configure for no temp file backing for database %s", strFile));
+ if (ret != 0) {
+ throw std::runtime_error(strprintf("CDB: Failed to configure for no temp file backing for database %s", strFilename));
+ }
}
- ret = pdb->open(nullptr, // Txn pointer
- fMockDb ? nullptr : strFile.c_str(), // Filename
- fMockDb ? strFile.c_str() : "main", // Logical db name
- DB_BTREE, // Database type
- nFlags, // Flags
+ ret = pdb_temp->open(nullptr, // Txn pointer
+ fMockDb ? nullptr : strFilename.c_str(), // Filename
+ fMockDb ? strFilename.c_str() : "main", // Logical db name
+ DB_BTREE, // Database type
+ nFlags, // Flags
0);
if (ret != 0) {
- delete pdb;
- pdb = nullptr;
- --env->mapFileUseCount[strFile];
- strFile = "";
throw std::runtime_error(strprintf("CDB: Error %d, can't open database %s", ret, strFilename));
}
+ CheckUniqueFileid(*env, strFilename, *pdb_temp);
+
+ pdb = pdb_temp.release();
+ env->mapDb[strFilename] = pdb;
if (fCreate && !Exists(std::string("version"))) {
bool fTmp = fReadOnly;
@@ -415,9 +448,9 @@ CDB::CDB(CWalletDBWrapper& dbw, const char* pszMode, bool fFlushOnCloseIn) : pdb
WriteVersion(CLIENT_VERSION);
fReadOnly = fTmp;
}
-
- env->mapDb[strFile] = pdb;
}
+ ++env->mapFileUseCount[strFilename];
+ strFile = strFilename;
}
}
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index d6ea2a9db7..3ec4a5efb4 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -961,7 +961,7 @@ UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, const int6
pwallet->SetAddressBook(vchAddress, label, "receive");
if (pwallet->HaveKey(vchAddress)) {
- return false;
+ throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
}
pwallet->mapKeyMetadata[vchAddress].nCreateTime = timestamp;
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index e23ef57db0..d6989add89 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -3233,7 +3233,7 @@ UniValue rescanblockchain(const JSONRPCRequest& request)
"}\n"
"\nExamples:\n"
+ HelpExampleCli("rescanblockchain", "100000 120000")
- + HelpExampleRpc("rescanblockchain", "100000 120000")
+ + HelpExampleRpc("rescanblockchain", "100000, 120000")
);
}
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 3672ecea5b..543bef32ad 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -3881,7 +3881,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
// Top up the keypool
if (!walletInstance->TopUpKeyPool()) {
InitError(_("Unable to generate initial keys") += "\n");
- return NULL;
+ return nullptr;
}
walletInstance->SetBestChain(chainActive.GetLocator());