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-rw-r--r--src/Makefile.am41
-rw-r--r--src/Makefile.bench.include4
-rw-r--r--src/Makefile.qt.include6
-rw-r--r--src/Makefile.qttest.include3
-rw-r--r--src/Makefile.test.include3
-rw-r--r--src/chainparams.cpp6
-rw-r--r--src/consensus/params.h3
-rw-r--r--src/init.cpp3
-rw-r--r--src/main.cpp55
-rw-r--r--src/main.h1
-rw-r--r--src/script/sigcache.cpp91
-rw-r--r--src/script/sigcache.h4
12 files changed, 147 insertions, 73 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index c96541d22e..834c3dc891 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,8 @@
DIST_SUBDIRS = secp256k1 univalue
-AM_LDFLAGS = $(PTHREAD_CFLAGS) $(LIBTOOL_LDFLAGS)
+AM_LDFLAGS = $(PTHREAD_CFLAGS) $(LIBTOOL_LDFLAGS) $(HARDENED_LDFLAGS)
+AM_CXXFLAGS = $(HARDENED_CXXFLAGS)
+AM_CPPFLAGS = $(HARDENED_CPPFLAGS)
if EMBEDDED_LEVELDB
LEVELDB_CPPFLAGS += -I$(srcdir)/leveldb/include
@@ -14,7 +16,7 @@ $(LIBLEVELDB): $(LIBMEMENV)
$(LIBLEVELDB) $(LIBMEMENV):
@echo "Building LevelDB ..." && $(MAKE) -C $(@D) $(@F) CXX="$(CXX)" \
CC="$(CC)" PLATFORM=$(TARGET_OS) AR="$(AR)" $(LEVELDB_TARGET_FLAGS) \
- OPT="$(CXXFLAGS) $(CPPFLAGS) -D__STDC_LIMIT_MACROS"
+ OPT="$(AM_CXXFLAGS) $(PIE_FLAGS) $(CXXFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) -D__STDC_LIMIT_MACROS"
endif
BITCOIN_CONFIG_INCLUDES=-I$(builddir)/config
@@ -179,7 +181,8 @@ obj/build.h: FORCE
libbitcoin_util_a-clientversion.$(OBJEXT): obj/build.h
# server: shared between bitcoind and bitcoin-qt
-libbitcoin_server_a_CPPFLAGS = $(BITCOIN_INCLUDES) $(MINIUPNPC_CPPFLAGS) $(EVENT_CFLAGS) $(EVENT_PTHREADS_CFLAGS)
+libbitcoin_server_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(MINIUPNPC_CPPFLAGS) $(EVENT_CFLAGS) $(EVENT_PTHREADS_CFLAGS)
+libbitcoin_server_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
libbitcoin_server_a_SOURCES = \
addrman.cpp \
alert.cpp \
@@ -217,6 +220,7 @@ if ENABLE_ZMQ
LIBBITCOIN_ZMQ=libbitcoin_zmq.a
libbitcoin_zmq_a_CPPFLAGS = $(BITCOIN_INCLUDES) $(ZMQ_CFLAGS)
+libbitcoin_zmq_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
libbitcoin_zmq_a_SOURCES = \
zmq/zmqabstractnotifier.cpp \
zmq/zmqnotificationinterface.cpp \
@@ -226,7 +230,8 @@ endif
# wallet: shared between bitcoind and bitcoin-qt, but only linked
# when wallet enabled
-libbitcoin_wallet_a_CPPFLAGS = $(BITCOIN_INCLUDES)
+libbitcoin_wallet_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+libbitcoin_wallet_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
libbitcoin_wallet_a_SOURCES = \
wallet/crypter.cpp \
wallet/db.cpp \
@@ -238,7 +243,8 @@ libbitcoin_wallet_a_SOURCES = \
$(BITCOIN_CORE_H)
# crypto primitives library
-crypto_libbitcoin_crypto_a_CPPFLAGS = $(BITCOIN_CONFIG_INCLUDES)
+crypto_libbitcoin_crypto_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_CONFIG_INCLUDES)
+crypto_libbitcoin_crypto_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
crypto_libbitcoin_crypto_a_SOURCES = \
crypto/common.h \
crypto/hmac_sha256.cpp \
@@ -255,7 +261,8 @@ crypto_libbitcoin_crypto_a_SOURCES = \
crypto/sha512.h
# common: shared between bitcoind, and bitcoin-qt and non-server tools
-libbitcoin_common_a_CPPFLAGS = $(BITCOIN_INCLUDES)
+libbitcoin_common_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+libbitcoin_common_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
libbitcoin_common_a_SOURCES = \
amount.cpp \
arith_uint256.cpp \
@@ -286,7 +293,8 @@ libbitcoin_common_a_SOURCES = \
# util: shared between all executables.
# This library *must* be included to make sure that the glibc
# backward-compatibility objects and their sanity checks are linked.
-libbitcoin_util_a_CPPFLAGS = $(BITCOIN_INCLUDES)
+libbitcoin_util_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+libbitcoin_util_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
libbitcoin_util_a_SOURCES = \
support/pagelocker.cpp \
chainparamsbase.cpp \
@@ -310,7 +318,8 @@ libbitcoin_util_a_SOURCES += compat/glibc_compat.cpp
endif
# cli: shared between bitcoin-cli and bitcoin-qt
-libbitcoin_cli_a_CPPFLAGS = $(BITCOIN_INCLUDES)
+libbitcoin_cli_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+libbitcoin_cli_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
libbitcoin_cli_a_SOURCES = \
rpcclient.cpp \
$(BITCOIN_CORE_H)
@@ -320,7 +329,8 @@ nodist_libbitcoin_util_a_SOURCES = $(srcdir)/obj/build.h
# bitcoind binary #
bitcoind_SOURCES = bitcoind.cpp
-bitcoind_CPPFLAGS = $(BITCOIN_INCLUDES)
+bitcoind_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+bitcoind_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
bitcoind_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
if TARGET_WINDOWS
@@ -349,7 +359,8 @@ bitcoind_LDADD += $(BOOST_LIBS) $(BDB_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(MINIUPN
# bitcoin-cli binary #
bitcoin_cli_SOURCES = bitcoin-cli.cpp
-bitcoin_cli_CPPFLAGS = $(BITCOIN_INCLUDES) $(EVENT_CFLAGS)
+bitcoin_cli_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(EVENT_CFLAGS)
+bitcoin_cli_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
bitcoin_cli_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
if TARGET_WINDOWS
@@ -366,7 +377,8 @@ bitcoin_cli_LDADD += $(BOOST_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(EVENT_LIBS)
# bitcoin-tx binary #
bitcoin_tx_SOURCES = bitcoin-tx.cpp
-bitcoin_tx_CPPFLAGS = $(BITCOIN_INCLUDES)
+bitcoin_tx_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+bitcoin_tx_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
bitcoin_tx_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
if TARGET_WINDOWS
@@ -407,9 +419,10 @@ if GLIBC_BACK_COMPAT
libbitcoinconsensus_la_SOURCES += compat/glibc_compat.cpp
endif
-libbitcoinconsensus_la_LDFLAGS = -no-undefined $(RELDFLAGS)
+libbitcoinconsensus_la_LDFLAGS = $(AM_LDFLAGS) -no-undefined $(RELDFLAGS)
libbitcoinconsensus_la_LIBADD = $(CRYPTO_LIBS)
-libbitcoinconsensus_la_CPPFLAGS = $(CRYPTO_CFLAGS) -I$(builddir)/obj -DBUILD_BITCOIN_INTERNAL
+libbitcoinconsensus_la_CPPFLAGS = $(AM_CPPFLAGS) $(CRYPTO_CFLAGS) -I$(builddir)/obj -DBUILD_BITCOIN_INTERNAL
+libbitcoinconsensus_la_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
endif
#
@@ -445,7 +458,7 @@ clean-local:
.mm.o:
$(AM_V_CXX) $(OBJCXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
- $(CPPFLAGS) $(AM_CXXFLAGS) $(QT_INCLUDES) $(CXXFLAGS) -c -o $@ $<
+ $(CPPFLAGS) $(AM_CXXFLAGS) $(QT_INCLUDES) $(AM_CXXFLAGS) $(PIE_FLAGS) $(CXXFLAGS) -c -o $@ $<
%.pb.cc %.pb.h: %.proto
@test -f $(PROTOC)
diff --git a/src/Makefile.bench.include b/src/Makefile.bench.include
index 61fe9e287d..d660a3a747 100644
--- a/src/Makefile.bench.include
+++ b/src/Makefile.bench.include
@@ -9,7 +9,8 @@ bench_bench_bitcoin_SOURCES = \
bench/bench.h \
bench/Examples.cpp
-bench_bench_bitcoin_CPPFLAGS = $(BITCOIN_INCLUDES) $(EVENT_CLFAGS) $(EVENT_PTHREADS_CFLAGS) -I$(builddir)/bench/
+bench_bench_bitcoin_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(EVENT_CLFAGS) $(EVENT_PTHREADS_CFLAGS) -I$(builddir)/bench/
+bench_bench_bitcoin_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
bench_bench_bitcoin_LDADD = \
$(LIBBITCOIN_SERVER) \
$(LIBBITCOIN_COMMON) \
@@ -31,7 +32,6 @@ endif
bench_bench_bitcoin_LDADD += $(BOOST_LIBS) $(BDB_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(MINIUPNPC_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS)
bench_bench_bitcoin_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
-
CLEAN_BITCOIN_BENCH = bench/*.gcda bench/*.gcno
CLEANFILES += $(CLEAN_BITCOIN_BENCH)
diff --git a/src/Makefile.qt.include b/src/Makefile.qt.include
index 67fd7c1076..e62003a513 100644
--- a/src/Makefile.qt.include
+++ b/src/Makefile.qt.include
@@ -327,8 +327,9 @@ BITCOIN_RC = qt/res/bitcoin-qt-res.rc
BITCOIN_QT_INCLUDES = -I$(builddir)/qt -I$(srcdir)/qt -I$(srcdir)/qt/forms \
-I$(builddir)/qt/forms -DQT_NO_KEYWORDS
-qt_libbitcoinqt_a_CPPFLAGS = $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
+qt_libbitcoinqt_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
$(QT_INCLUDES) $(QT_DBUS_INCLUDES) $(PROTOBUF_CFLAGS) $(QR_CFLAGS)
+qt_libbitcoinqt_a_CXXFLAGS = $(AM_CXXFLAGS) $(QT_PIE_FLAGS)
qt_libbitcoinqt_a_SOURCES = $(BITCOIN_QT_CPP) $(BITCOIN_QT_H) $(QT_FORMS_UI) \
$(QT_QRC) $(QT_QRC_LOCALE) $(QT_TS) $(PROTOBUF_PROTO) $(RES_ICONS) $(RES_IMAGES) $(RES_MOVIES)
@@ -350,8 +351,9 @@ $(QT_MOC): $(PROTOBUF_H)
$(QT_MOC_CPP): $(PROTOBUF_H)
# bitcoin-qt binary #
-qt_bitcoin_qt_CPPFLAGS = $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
+qt_bitcoin_qt_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
$(QT_INCLUDES) $(PROTOBUF_CFLAGS) $(QR_CFLAGS)
+qt_bitcoin_qt_CXXFLAGS = $(AM_CXXFLAGS) $(QT_PIE_FLAGS)
qt_bitcoin_qt_SOURCES = qt/bitcoin.cpp
if TARGET_DARWIN
diff --git a/src/Makefile.qttest.include b/src/Makefile.qttest.include
index b8725c872d..ede3fac4c3 100644
--- a/src/Makefile.qttest.include
+++ b/src/Makefile.qttest.include
@@ -12,7 +12,7 @@ TEST_QT_H = \
qt/test/paymentrequestdata.h \
qt/test/paymentservertests.h
-qt_test_test_bitcoin_qt_CPPFLAGS = $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
+qt_test_test_bitcoin_qt_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
$(QT_INCLUDES) $(QT_TEST_INCLUDES) $(PROTOBUF_CFLAGS)
qt_test_test_bitcoin_qt_SOURCES = \
@@ -38,6 +38,7 @@ qt_test_test_bitcoin_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBIT
$(QR_LIBS) $(PROTOBUF_LIBS) $(BDB_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(MINIUPNPC_LIBS) $(LIBSECP256K1) \
$(EVENT_PTHREADS_LIBS) $(EVENT_LIBS)
qt_test_test_bitcoin_qt_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(QT_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
+qt_test_test_bitcoin_qt_CXXFLAGS = $(AM_CXXFLAGS) $(QT_PIE_FLAGS)
CLEAN_BITCOIN_QT_TEST = $(TEST_QT_MOC_CPP) qt/test/*.gcda qt/test/*.gcno
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index f23a8f41fc..2328d0b4cc 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -93,9 +93,10 @@ BITCOIN_TESTS += \
endif
test_test_bitcoin_SOURCES = $(BITCOIN_TESTS) $(JSON_TEST_FILES) $(RAW_TEST_FILES)
-test_test_bitcoin_CPPFLAGS = $(BITCOIN_INCLUDES) -I$(builddir)/test/ $(TESTDEFS)
+test_test_bitcoin_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -I$(builddir)/test/ $(TESTDEFS)
test_test_bitcoin_LDADD = $(LIBBITCOIN_SERVER) $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_UTIL) $(LIBBITCOIN_CRYPTO) $(LIBUNIVALUE) $(LIBLEVELDB) $(LIBMEMENV) \
$(BOOST_LIBS) $(BOOST_UNIT_TEST_FRAMEWORK_LIB) $(LIBSECP256K1)
+test_test_bitcoin_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
if ENABLE_WALLET
test_test_bitcoin_LDADD += $(LIBBITCOIN_WALLET)
endif
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index dd26c3b31a..5d6d1ef9d8 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -73,6 +73,8 @@ public:
consensus.nMajorityEnforceBlockUpgrade = 750;
consensus.nMajorityRejectBlockOutdated = 950;
consensus.nMajorityWindow = 1000;
+ consensus.BIP34Height = 227931;
+ consensus.BIP34Hash = uint256S("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8");
consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60;
@@ -153,6 +155,8 @@ public:
consensus.nMajorityEnforceBlockUpgrade = 51;
consensus.nMajorityRejectBlockOutdated = 75;
consensus.nMajorityWindow = 100;
+ consensus.BIP34Height = 21111;
+ consensus.BIP34Hash = uint256S("0x0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8");
consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60;
@@ -216,6 +220,8 @@ public:
consensus.nMajorityEnforceBlockUpgrade = 750;
consensus.nMajorityRejectBlockOutdated = 950;
consensus.nMajorityWindow = 1000;
+ consensus.BIP34Height = -1; // BIP34 has not necessarily activated on regtest
+ consensus.BIP34Hash = uint256();
consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60;
diff --git a/src/consensus/params.h b/src/consensus/params.h
index efbbbed352..5ebc48a8df 100644
--- a/src/consensus/params.h
+++ b/src/consensus/params.h
@@ -19,6 +19,9 @@ struct Params {
int nMajorityEnforceBlockUpgrade;
int nMajorityRejectBlockOutdated;
int nMajorityWindow;
+ /** Block height and hash at which BIP34 becomes active */
+ int BIP34Height;
+ uint256 BIP34Hash;
/** Proof of work parameters */
uint256 powLimit;
bool fPowAllowMinDifficultyBlocks;
diff --git a/src/init.cpp b/src/init.cpp
index 024355f7c1..87a23deab7 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -25,6 +25,7 @@
#include "policy/policy.h"
#include "rpcserver.h"
#include "script/standard.h"
+#include "script/sigcache.h"
#include "scheduler.h"
#include "txdb.h"
#include "txmempool.h"
@@ -443,7 +444,7 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += HelpMessageOpt("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS));
strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default: %u)", 15));
strUsage += HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", 1));
- strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> entries (default: %u)", 50000));
+ strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> MiB (default: %u)", DEFAULT_MAX_SIG_CACHE_SIZE));
}
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)));
diff --git a/src/main.cpp b/src/main.cpp
index 8afb7ddcdd..5208fbb031 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1711,6 +1711,8 @@ void PartitionCheck(bool (*initialDownloadCheck)(), CCriticalSection& cs, const
}
}
+static int64_t nTimeCheck = 0;
+static int64_t nTimeForks = 0;
static int64_t nTimeVerify = 0;
static int64_t nTimeConnect = 0;
static int64_t nTimeIndex = 0;
@@ -1721,6 +1723,9 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
{
const CChainParams& chainparams = Params();
AssertLockHeld(cs_main);
+
+ int64_t nTimeStart = GetTimeMicros();
+
// Check it again in case a previous version let a bad block in
if (!CheckBlock(block, state, !fJustCheck, !fJustCheck))
return false;
@@ -1746,6 +1751,9 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
}
}
+ int64_t nTime1 = GetTimeMicros(); nTimeCheck += nTime1 - nTimeStart;
+ LogPrint("bench", " - Sanity checks: %.2fms [%.2fs]\n", 0.001 * (nTime1 - nTimeStart), nTimeCheck * 0.000001);
+
// Do not allow blocks that contain transactions which 'overwrite' older transactions,
// unless those are already completely spent.
// If such overwrites are allowed, coinbases and transactions depending upon those
@@ -1761,6 +1769,17 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
bool fEnforceBIP30 = (!pindex->phashBlock) || // Enforce on CreateNewBlock invocations which don't have a hash.
!((pindex->nHeight==91842 && pindex->GetBlockHash() == uint256S("0x00000000000a4d0a398161ffc163c503763b1f4360639393e0e4c8e300e0caec")) ||
(pindex->nHeight==91880 && pindex->GetBlockHash() == uint256S("0x00000000000743f190a18c5577a3c2d2a1f610ae9601ac046a38084ccb7cd721")));
+
+ // Once BIP34 activated it was not possible to create new duplicate coinbases and thus other than starting
+ // with the 2 existing duplicate coinbase pairs, not possible to create overwriting txs. But by the
+ // time BIP34 activated, in each of the existing pairs the duplicate coinbase had overwritten the first
+ // before the first had been spent. Since those coinbases are sufficiently buried its no longer possible to create further
+ // duplicate transactions descending from the known pairs either.
+ // If we're on the known chain at height greater than where BIP34 activated, we can save the db accesses needed for the BIP30 check.
+ CBlockIndex *pindexBIP34height = pindex->pprev->GetAncestor(chainparams.GetConsensus().BIP34Height);
+ //Only continue to enforce if we're below BIP34 activation height or the block hash at that height doesn't correspond.
+ fEnforceBIP30 = fEnforceBIP30 && (!pindexBIP34height || !(pindexBIP34height->GetBlockHash() == chainparams.GetConsensus().BIP34Hash));
+
if (fEnforceBIP30) {
BOOST_FOREACH(const CTransaction& tx, block.vtx) {
const CCoins* coins = view.AccessCoins(tx.GetHash());
@@ -1788,11 +1807,13 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
flags |= SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY;
}
+ int64_t nTime2 = GetTimeMicros(); nTimeForks += nTime2 - nTime1;
+ LogPrint("bench", " - Fork checks: %.2fms [%.2fs]\n", 0.001 * (nTime2 - nTime1), nTimeForks * 0.000001);
+
CBlockUndo blockundo;
CCheckQueueControl<CScriptCheck> control(fScriptChecks && nScriptCheckThreads ? &scriptcheckqueue : NULL);
- int64_t nTimeStart = GetTimeMicros();
CAmount nFees = 0;
int nInputs = 0;
unsigned int nSigOps = 0;
@@ -1830,7 +1851,8 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
nFees += view.GetValueIn(tx)-tx.GetValueOut();
std::vector<CScriptCheck> vChecks;
- if (!CheckInputs(tx, state, view, fScriptChecks, flags, false, nScriptCheckThreads ? &vChecks : NULL))
+ bool fCacheResults = fJustCheck; /* Don't cache results if we're actually connecting blocks (still consult the cache, though) */
+ if (!CheckInputs(tx, state, view, fScriptChecks, flags, fCacheResults, nScriptCheckThreads ? &vChecks : NULL))
return error("ConnectBlock(): CheckInputs on %s failed with %s",
tx.GetHash().ToString(), FormatStateMessage(state));
control.Add(vChecks);
@@ -1845,8 +1867,8 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
vPos.push_back(std::make_pair(tx.GetHash(), pos));
pos.nTxOffset += ::GetSerializeSize(tx, SER_DISK, CLIENT_VERSION);
}
- int64_t nTime1 = GetTimeMicros(); nTimeConnect += nTime1 - nTimeStart;
- LogPrint("bench", " - Connect %u transactions: %.2fms (%.3fms/tx, %.3fms/txin) [%.2fs]\n", (unsigned)block.vtx.size(), 0.001 * (nTime1 - nTimeStart), 0.001 * (nTime1 - nTimeStart) / block.vtx.size(), nInputs <= 1 ? 0 : 0.001 * (nTime1 - nTimeStart) / (nInputs-1), nTimeConnect * 0.000001);
+ int64_t nTime3 = GetTimeMicros(); nTimeConnect += nTime3 - nTime2;
+ LogPrint("bench", " - Connect %u transactions: %.2fms (%.3fms/tx, %.3fms/txin) [%.2fs]\n", (unsigned)block.vtx.size(), 0.001 * (nTime3 - nTime2), 0.001 * (nTime3 - nTime2) / block.vtx.size(), nInputs <= 1 ? 0 : 0.001 * (nTime3 - nTime2) / (nInputs-1), nTimeConnect * 0.000001);
CAmount blockReward = nFees + GetBlockSubsidy(pindex->nHeight, chainparams.GetConsensus());
if (block.vtx[0].GetValueOut() > blockReward)
@@ -1857,8 +1879,8 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
if (!control.Wait())
return state.DoS(100, false);
- int64_t nTime2 = GetTimeMicros(); nTimeVerify += nTime2 - nTimeStart;
- LogPrint("bench", " - Verify %u txins: %.2fms (%.3fms/txin) [%.2fs]\n", nInputs - 1, 0.001 * (nTime2 - nTimeStart), nInputs <= 1 ? 0 : 0.001 * (nTime2 - nTimeStart) / (nInputs-1), nTimeVerify * 0.000001);
+ int64_t nTime4 = GetTimeMicros(); nTimeVerify += nTime4 - nTime2;
+ LogPrint("bench", " - Verify %u txins: %.2fms (%.3fms/txin) [%.2fs]\n", nInputs - 1, 0.001 * (nTime4 - nTime2), nInputs <= 1 ? 0 : 0.001 * (nTime4 - nTime2) / (nInputs-1), nTimeVerify * 0.000001);
if (fJustCheck)
return true;
@@ -1889,16 +1911,16 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
// add this block to the view's block chain
view.SetBestBlock(pindex->GetBlockHash());
- int64_t nTime3 = GetTimeMicros(); nTimeIndex += nTime3 - nTime2;
- LogPrint("bench", " - Index writing: %.2fms [%.2fs]\n", 0.001 * (nTime3 - nTime2), nTimeIndex * 0.000001);
+ int64_t nTime5 = GetTimeMicros(); nTimeIndex += nTime5 - nTime4;
+ LogPrint("bench", " - Index writing: %.2fms [%.2fs]\n", 0.001 * (nTime5 - nTime4), nTimeIndex * 0.000001);
// Watch for changes to the previous coinbase transaction.
static uint256 hashPrevBestCoinBase;
GetMainSignals().UpdatedTransaction(hashPrevBestCoinBase);
hashPrevBestCoinBase = block.vtx[0].GetHash();
- int64_t nTime4 = GetTimeMicros(); nTimeCallbacks += nTime4 - nTime3;
- LogPrint("bench", " - Callbacks: %.2fms [%.2fs]\n", 0.001 * (nTime4 - nTime3), nTimeCallbacks * 0.000001);
+ int64_t nTime6 = GetTimeMicros(); nTimeCallbacks += nTime6 - nTime5;
+ LogPrint("bench", " - Callbacks: %.2fms [%.2fs]\n", 0.001 * (nTime6 - nTime5), nTimeCallbacks * 0.000001);
return true;
}
@@ -2781,9 +2803,8 @@ bool ContextualCheckBlock(const CBlock& block, CValidationState& state, CBlockIn
return true;
}
-bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, CBlockIndex** ppindex)
+static bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, const CChainParams& chainparams, CBlockIndex** ppindex=NULL)
{
- const CChainParams& chainparams = Params();
AssertLockHeld(cs_main);
// Check for duplicate
uint256 hash = block.GetHash();
@@ -2836,7 +2857,7 @@ bool AcceptBlock(const CBlock& block, CValidationState& state, CBlockIndex** ppi
CBlockIndex *&pindex = *ppindex;
- if (!AcceptBlockHeader(block, state, &pindex))
+ if (!AcceptBlockHeader(block, state, chainparams, &pindex))
return false;
// Try to process all requested blocks that we don't have, but only
@@ -4310,10 +4331,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
vRecv >> locator >> hashStop;
LOCK(cs_main);
-
- if (IsInitialBlockDownload())
+ if (IsInitialBlockDownload() && !pfrom->fWhitelisted) {
+ LogPrint("net", "Ignoring getheaders from peer=%d because node is in initial block download\n", pfrom->id);
return true;
-
+ }
CBlockIndex* pindex = NULL;
if (locator.IsNull())
{
@@ -4500,7 +4521,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
Misbehaving(pfrom->GetId(), 20);
return error("non-continuous headers sequence");
}
- if (!AcceptBlockHeader(header, state, &pindexLast)) {
+ if (!AcceptBlockHeader(header, state, chainparams, &pindexLast)) {
int nDoS;
if (state.IsInvalid(nDoS)) {
if (nDoS > 0)
diff --git a/src/main.h b/src/main.h
index a82e3faa45..7a136075ac 100644
--- a/src/main.h
+++ b/src/main.h
@@ -382,7 +382,6 @@ bool TestBlockValidity(CValidationState &state, const CBlock& block, CBlockIndex
/** Store block on disk. If dbp is non-NULL, the file is known to already reside on disk */
bool AcceptBlock(const CBlock& block, CValidationState& state, CBlockIndex **pindex, bool fRequested, CDiskBlockPos* dbp);
-bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, CBlockIndex **ppindex= NULL);
class CBlockFileInfo
diff --git a/src/script/sigcache.cpp b/src/script/sigcache.cpp
index 099b4ad0e3..eee96e7c2d 100644
--- a/src/script/sigcache.cpp
+++ b/src/script/sigcache.cpp
@@ -5,17 +5,30 @@
#include "sigcache.h"
+#include "memusage.h"
#include "pubkey.h"
#include "random.h"
#include "uint256.h"
#include "util.h"
#include <boost/thread.hpp>
-#include <boost/tuple/tuple_comparison.hpp>
+#include <boost/unordered_set.hpp>
namespace {
/**
+ * We're hashing a nonce into the entries themselves, so we don't need extra
+ * blinding in the set hash computation.
+ */
+class CSignatureCacheHasher
+{
+public:
+ size_t operator()(const uint256& key) const {
+ return key.GetCheapHash();
+ }
+};
+
+/**
* Valid signature cache, to avoid doing expensive ECDSA signature checking
* twice for every transaction (once when accepted into memory pool, and
* again when accepted into the block chain)
@@ -23,52 +36,54 @@ namespace {
class CSignatureCache
{
private:
- //! sigdata_type is (signature hash, signature, public key):
- typedef boost::tuple<uint256, std::vector<unsigned char>, CPubKey> sigdata_type;
- std::set< sigdata_type> setValid;
+ //! Entries are SHA256(nonce || signature hash || public key || signature):
+ uint256 nonce;
+ typedef boost::unordered_set<uint256, CSignatureCacheHasher> map_type;
+ map_type setValid;
boost::shared_mutex cs_sigcache;
+
public:
+ CSignatureCache()
+ {
+ GetRandBytes(nonce.begin(), 32);
+ }
+
+ void
+ ComputeEntry(uint256& entry, const uint256 &hash, const std::vector<unsigned char>& vchSig, const CPubKey& pubkey)
+ {
+ CSHA256().Write(nonce.begin(), 32).Write(hash.begin(), 32).Write(&pubkey[0], pubkey.size()).Write(&vchSig[0], vchSig.size()).Finalize(entry.begin());
+ }
+
bool
- Get(const uint256 &hash, const std::vector<unsigned char>& vchSig, const CPubKey& pubKey)
+ Get(const uint256& entry)
{
boost::shared_lock<boost::shared_mutex> lock(cs_sigcache);
+ return setValid.count(entry);
+ }
- sigdata_type k(hash, vchSig, pubKey);
- std::set<sigdata_type>::iterator mi = setValid.find(k);
- if (mi != setValid.end())
- return true;
- return false;
+ void Erase(const uint256& entry)
+ {
+ boost::unique_lock<boost::shared_mutex> lock(cs_sigcache);
+ setValid.erase(entry);
}
- void Set(const uint256 &hash, const std::vector<unsigned char>& vchSig, const CPubKey& pubKey)
+ void Set(const uint256& entry)
{
- // DoS prevention: limit cache size to less than 10MB
- // (~200 bytes per cache entry times 50,000 entries)
- // Since there are a maximum of 20,000 signature operations per block
- // 50,000 is a reasonable default.
- int64_t nMaxCacheSize = GetArg("-maxsigcachesize", 50000);
+ size_t nMaxCacheSize = GetArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_SIZE) * ((size_t) 1 << 20);
if (nMaxCacheSize <= 0) return;
boost::unique_lock<boost::shared_mutex> lock(cs_sigcache);
-
- while (static_cast<int64_t>(setValid.size()) > nMaxCacheSize)
+ while (memusage::DynamicUsage(setValid) > nMaxCacheSize)
{
- // Evict a random entry. Random because that helps
- // foil would-be DoS attackers who might try to pre-generate
- // and re-use a set of valid signatures just-slightly-greater
- // than our cache size.
- uint256 randomHash = GetRandHash();
- std::vector<unsigned char> unused;
- std::set<sigdata_type>::iterator it =
- setValid.lower_bound(sigdata_type(randomHash, unused, unused));
- if (it == setValid.end())
- it = setValid.begin();
- setValid.erase(*it);
+ map_type::size_type s = GetRand(setValid.bucket_count());
+ map_type::local_iterator it = setValid.begin(s);
+ if (it != setValid.end(s)) {
+ setValid.erase(*it);
+ }
}
- sigdata_type k(hash, vchSig, pubKey);
- setValid.insert(k);
+ setValid.insert(entry);
}
};
@@ -78,13 +93,21 @@ bool CachingTransactionSignatureChecker::VerifySignature(const std::vector<unsig
{
static CSignatureCache signatureCache;
- if (signatureCache.Get(sighash, vchSig, pubkey))
+ uint256 entry;
+ signatureCache.ComputeEntry(entry, sighash, vchSig, pubkey);
+
+ if (signatureCache.Get(entry)) {
+ if (!store) {
+ signatureCache.Erase(entry);
+ }
return true;
+ }
if (!TransactionSignatureChecker::VerifySignature(vchSig, pubkey, sighash))
return false;
- if (store)
- signatureCache.Set(sighash, vchSig, pubkey);
+ if (store) {
+ signatureCache.Set(entry);
+ }
return true;
}
diff --git a/src/script/sigcache.h b/src/script/sigcache.h
index b299038daa..2269972560 100644
--- a/src/script/sigcache.h
+++ b/src/script/sigcache.h
@@ -10,6 +10,10 @@
#include <vector>
+// DoS prevention: limit cache size to less than 40MB (over 500000
+// entries on 64-bit systems).
+static const unsigned int DEFAULT_MAX_SIG_CACHE_SIZE = 40;
+
class CPubKey;
class CachingTransactionSignatureChecker : public TransactionSignatureChecker
generated by cgit v1.2.3 (git 2.26.2) at 2024-09-13 00:13:27 +0000