diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 7dfe1106e..81d6954c1 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -1,625 +1,626 @@ # Copyright (c) 2017 The Bitcoin developers project(bitcoind) set(CMAKE_CXX_STANDARD 14) # Default visibility is hidden on all targets. set(CMAKE_C_VISIBILITY_PRESET hidden) set(CMAKE_CXX_VISIBILITY_PRESET hidden) option(BUILD_BITCOIN_WALLET "Activate the wallet functionality" ON) option(BUILD_BITCOIN_ZMQ "Activate the ZeroMQ functionalities" ON) option(BUILD_BITCOIN_SEEDER "Build bitcoin-seeder" ON) option(BUILD_BITCOIN_CLI "Build bitcoin-cli" ON) option(BUILD_BITCOIN_TX "Build bitcoin-tx" ON) option(BUILD_BITCOIN_QT "Build bitcoin-qt" ON) option(BUILD_LIBBITCOINCONSENSUS "Build the bitcoinconsenus shared library" ON) option(ENABLE_BIP70 "Enable BIP70 (payment protocol) support in GUI" ON) option(ENABLE_HARDENING "Harden the executables" ON) option(ENABLE_REDUCE_EXPORTS "Reduce the amount of exported symbols" OFF) option(ENABLE_STATIC_LIBSTDCXX "Statically link libstdc++" OFF) option(ENABLE_GLIBC_BACK_COMPAT "Enable Glibc compatibility features" OFF) option(ENABLE_QRCODE "Enable QR code display" ON) option(ENABLE_UPNP "Enable UPnP support" ON) option(ENABLE_WERROR "Promote some compiler warnings to errors" OFF) option(START_WITH_UPNP "Make UPnP the default to map ports" OFF) option(ENABLE_CLANG_TIDY "Enable clang-tidy checks for Bitcoin ABC" OFF) option(ENABLE_PROFILING "Select the profiling tool to use" OFF) option(USE_LD_GOLD "Try to use gold as a linker if available" ON) if(${CMAKE_SYSTEM_NAME} MATCHES "Linux") set(DEFAULT_ENABLE_DBUS_NOTIFICATIONS ON) endif() option(ENABLE_DBUS_NOTIFICATIONS "Enable DBus desktop notifications. Linux only." ${DEFAULT_ENABLE_DBUS_NOTIFICATIONS}) # If ccache is available, then use it. find_program(CCACHE ccache) if(CCACHE) message(STATUS "Using ccache: ${CCACHE}") set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE}) set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE}) endif(CCACHE) # Disable what we do not need for the native build. include(NativeExecutable) native_add_cmake_flags( "-DBUILD_BITCOIN_WALLET=OFF" "-DBUILD_BITCOIN_QT=OFF" "-DBUILD_BITCOIN_ZMQ=OFF" "-DENABLE_QRCODE=OFF" "-DENABLE_UPNP=OFF" # Forward the current setting for clang-tidy "-DENABLE_CLANG_TIDY=${ENABLE_CLANG_TIDY}" ) if(ENABLE_CLANG_TIDY) include(ClangTidy) endif() if(ENABLE_SANITIZERS) include(Sanitizers) enable_sanitizers(${ENABLE_SANITIZERS}) endif() include(AddCompilerFlags) if(USE_LD_GOLD) add_linker_flags(-fuse-ld=gold) endif() # Prefer -g3, defaults to -g if unavailable foreach(LANGUAGE C CXX) set(COMPILER_DEBUG_LEVEL -g) check_compiler_flag(G3_IS_SUPPORTED ${LANGUAGE} -g3) if(${G3_IS_SUPPORTED}) set(COMPILER_DEBUG_LEVEL -g3) endif() add_compile_options_to_configuration_for_language(Debug ${LANGUAGE} ${COMPILER_DEBUG_LEVEL}) endforeach() # Define the debugging symbols DEBUG and DEBUG_LOCKORDER when the Debug build # type is selected. add_compile_definitions_to_configuration(Debug DEBUG DEBUG_LOCKORDER) # Add -ftrapv when building in Debug add_compile_options_to_configuration(Debug -ftrapv) # All versions of gcc that we commonly use for building are subject to bug # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90348. To work around that, set # -fstack-reuse=none for all gcc builds. (Only gcc understands this flag) if(NOT ENABLE_CLANG_TIDY) add_compiler_flags(-fstack-reuse=none) endif() # Ensure that WINDRES_PREPROC is enabled when using windres. if(${CMAKE_SYSTEM_NAME} MATCHES "Windows") # Ensure that WINDRES_PREPROC is enabled when using windres. list(APPEND CMAKE_RC_FLAGS "-DWINDRES_PREPROC") # Build all static so there is no dll file to distribute. add_linker_flags(-static) endif() if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") add_compile_definitions(MAC_OSX OBJC_OLD_DISPATCH_PROTOTYPES=0) add_linker_flags(-Wl,-dead_strip_dylibs) endif() if(ENABLE_REDUCE_EXPORTS) # Default visibility is set by CMAKE__VISIBILITY_PRESET, but this # doesn't tell if the visibility set is effective. # Check if the flag -fvisibility=hidden is supported, as using the hidden # visibility is a requirement to reduce exports. check_compiler_flag(HAS_CXX_FVISIBILITY CXX -fvisibility=hidden) if(NOT HAS_CXX_FVISIBILITY) message(FATAL_ERROR "Cannot set default symbol visibility. Use -DENABLE_REDUCE_EXPORTS=OFF.") endif() # Also hide symbols from static libraries add_linker_flags(-Wl,--exclude-libs,ALL) endif() # Enable statically linking libstdc++ if(ENABLE_STATIC_LIBSTDCXX) add_linker_flags(-static-libstdc++) endif() set(CMAKE_POSITION_INDEPENDENT_CODE ON) if(ENABLE_HARDENING) # Enable stack protection add_cxx_compiler_flags(-fstack-protector-all -Wstack-protector) # Enable some buffer overflow checking add_compiler_flags(-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2) # Enable ASLR (these flags are primarily targeting MinGw) add_linker_flags(-Wl,--dynamicbase -Wl,--nxcompat -Wl,--high-entropy-va) # Make the relocated sections read-only add_linker_flags(-Wl,-z,relro -Wl,-z,now) # CMake provides the POSITION_INDEPENDENT_CODE property to set PIC/PIE. # Unfortunately setting the -pie linker flag this way require CMake >= 3.14, # which is not widely distributed at the time of writing. # FIXME: remove the fallback case when cmake >= 3.14 get enforced. if(POLICY CMP0083) cmake_policy(SET CMP0083 NEW) include(CheckPIESupported) check_pie_supported() elseif(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Windows") add_linker_flags(-pie) endif() if(${CMAKE_SYSTEM_NAME} MATCHES "Windows") # MinGw provides its own libssp for stack smashing protection link_libraries(ssp) endif() endif() if(ENABLE_PROFILING MATCHES "gprof") message(STATUS "Enable profiling with gprof") # -pg is incompatible with -pie. Since hardening and profiling together # doesn't make sense, we simply make them mutually exclusive here. # Additionally, hardened toolchains may force -pie by default, in which # case it needs to be turned off with -no-pie. if(ENABLE_HARDENING) message(FATAL_ERROR "Profiling with gprof requires disabling hardening with -DENABLE_HARDENING=OFF.") endif() add_linker_flags(-no-pie) add_compiler_flags(-pg) add_linker_flags(-pg) endif() # Enable warning add_c_compiler_flags(-Wnested-externs -Wstrict-prototypes) add_compiler_flags( -Wall -Wextra -Wformat -Wvla -Wformat-security -Wcast-align -Wunused-parameter -Wmissing-braces -Wthread-safety-analysis -Wshadow -Wrange-loop-analysis -Wredundant-decls -Wredundant-move ) option(EXTRA_WARNINGS "Enable extra warnings" OFF) if(EXTRA_WARNINGS) add_cxx_compiler_flags(-Wsuggest-override) else() add_compiler_flags(-Wno-unused-parameter) add_compiler_flags(-Wno-implicit-fallthrough) endif() if(ENABLE_WERROR) add_compiler_flags( -Werror=vla -Werror=thread-safety-analysis ) endif() # Create a target for OpenSSL include(BrewHelper) find_brew_prefix(OPENSSL_ROOT_DIR openssl) find_package(OpenSSL REQUIRED) # libtool style configure add_subdirectory(config) # libraries add_subdirectory(crypto) add_subdirectory(leveldb) add_subdirectory(secp256k1) add_subdirectory(univalue) # Find the git root, and returns the full path to the .git/logs/HEAD file if # it exists. function(find_git_head_logs_file RESULT) find_package(Git) if(GIT_FOUND) execute_process( COMMAND "${GIT_EXECUTABLE}" "rev-parse" "--show-toplevel" WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" OUTPUT_VARIABLE GIT_ROOT RESULT_VARIABLE GIT_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET ) if(GIT_RESULT EQUAL 0) set(GIT_LOGS_DIR "${GIT_ROOT}/.git/logs") set(GIT_HEAD_LOGS_FILE "${GIT_LOGS_DIR}/HEAD") # If the .git/logs/HEAD does not exist, create it if(NOT EXISTS "${GIT_HEAD_LOGS_FILE}") file(MAKE_DIRECTORY "${GIT_LOGS_DIR}") file(TOUCH "${GIT_HEAD_LOGS_FILE}") endif() set(${RESULT} "${GIT_HEAD_LOGS_FILE}" PARENT_SCOPE) endif() endif() endfunction() find_git_head_logs_file(GIT_HEAD_LOGS_FILE) set(OBJ_DIR "${CMAKE_CURRENT_BINARY_DIR}/obj") file(MAKE_DIRECTORY "${OBJ_DIR}") set(BUILD_HEADER "${OBJ_DIR}/build.h") set(BUILD_HEADER_TMP "${BUILD_HEADER}.tmp") add_custom_command( DEPENDS "${GIT_HEAD_LOGS_FILE}" "${CMAKE_SOURCE_DIR}/share/genbuild.sh" OUTPUT "${BUILD_HEADER}" COMMAND "${CMAKE_SOURCE_DIR}/share/genbuild.sh" "${BUILD_HEADER_TMP}" "${CMAKE_SOURCE_DIR}" COMMAND ${CMAKE_COMMAND} -E copy_if_different "${BUILD_HEADER_TMP}" "${BUILD_HEADER}" COMMAND ${CMAKE_COMMAND} -E remove "${BUILD_HEADER_TMP}" ) # Because the Bitcoin ABc source code is disorganised, we # end up with a bunch of libraries without any apparent # cohesive structure. This is inherited from Bitcoin Core # and reflecting this. # TODO: Improve the structure once cmake is rocking. # Various completely unrelated features shared by all executables. add_library(util chainparamsbase.cpp clientversion.cpp compat/glibc_sanity.cpp compat/glibcxx_sanity.cpp compat/strnlen.cpp fs.cpp logging.cpp random.cpp rcu.cpp rpc/protocol.cpp rpc/util.cpp support/cleanse.cpp support/lockedpool.cpp sync.cpp threadinterrupt.cpp uint256.cpp util/bytevectorhash.cpp util/moneystr.cpp util/strencodings.cpp util/system.cpp util/threadnames.cpp util/time.cpp # obj/build.h "${BUILD_HEADER}" ) target_compile_definitions(util PUBLIC HAVE_CONFIG_H HAVE_BUILD_INFO) target_include_directories(util PUBLIC . # To access the config/ and obj/ directories ${CMAKE_CURRENT_BINARY_DIR} ) if(ENABLE_GLIBC_BACK_COMPAT) # glibc absorbed clock_gettime in 2.17. librt (its previous location) is # safe to link in anyway for back-compat. find_library(RT_LIBRARY rt) target_link_libraries(util ${RT_LIBRARY}) # Wrap some glibc functions with ours add_linker_flags(-Wl,--wrap=__divmoddi4) add_linker_flags(-Wl,--wrap=log2f) if(NOT HAVE_LARGE_FILE_SUPPORT) add_linker_flags(-Wl,--wrap=fcntl -Wl,--wrap=fcntl64) endif() target_sources(util PRIVATE compat/glibc_compat.cpp) endif() # Enable LFS (Large File Support) on targets that don't have it natively. if(NOT HAVE_LARGE_FILE_SUPPORT) add_compiler_flags(-D_FILE_OFFSET_BITS=64) add_linker_flags(-Wl,--large-address-aware) endif() # Target specific configs if(${CMAKE_SYSTEM_NAME} MATCHES "Windows") set(Boost_USE_STATIC_LIBS ON) set(Boost_USE_STATIC_RUNTIME ON) set(Boost_THREADAPI win32) find_package(SHLWAPI REQUIRED) # We cannot use the imported target here, because cmake will introduce an # -isystem compilation directive and cause the build to fail with MinGw. # This comes from a couple cmake bugs: # - https://gitlab.kitware.com/cmake/cmake/issues/16291 # - https://gitlab.kitware.com/cmake/cmake/issues/19095 # These issues are solved from cmake 3.14.1. Once this version is enforced, # the following can be used: # target_link_libraries(util SHLWAPI::shlwapi) target_link_libraries(util ${SHLWAPI_LIBRARIES}) target_include_directories(util PUBLIC ${SHLWAPI_INCLUDE_DIRS}) find_library(WS2_32_LIBRARY NAMES ws2_32) target_link_libraries(util ${WS2_32_LIBRARY}) target_compile_definitions(util PUBLIC BOOST_THREAD_USE_LIB) endif() # Boost packages set(BOOST_PACKAGES_REQUIRED chrono filesystem thread) function(prepend var prefix) set(listVar "") foreach(f ${ARGN}) list(APPEND listVar "${prefix}${f}") endforeach(f) set(${var} "${listVar}" PARENT_SCOPE) endfunction(prepend) prepend(BOOST_LIBRARIES "Boost::" ${BOOST_PACKAGES_REQUIRED}) find_package(Boost 1.58 REQUIRED ${BOOST_PACKAGES_REQUIRED}) target_link_libraries(util univalue crypto ${BOOST_LIBRARIES}) # Make sure boost uses std::atomic (it doesn't before 1.63) target_compile_definitions(util PUBLIC BOOST_SP_USE_STD_ATOMIC BOOST_AC_USE_STD_ATOMIC) # More completely unrelated features shared by all executables. # Because nothing says this is different from util than "common" add_library(common amount.cpp base58.cpp cashaddr.cpp cashaddrenc.cpp chainparams.cpp config.cpp consensus/merkle.cpp coins.cpp compressor.cpp + eventloop.cpp feerate.cpp globals.cpp core_read.cpp core_write.cpp key.cpp key_io.cpp keystore.cpp netaddress.cpp netbase.cpp primitives/block.cpp protocol.cpp scheduler.cpp versionbitsinfo.cpp warnings.cpp ) target_link_libraries(common util secp256k1) # script library add_library(script script/bitfield.cpp script/descriptor.cpp script/interpreter.cpp script/ismine.cpp script/script.cpp script/script_error.cpp script/sigencoding.cpp script/sign.cpp script/standard.cpp ) target_link_libraries(script common) # libbitcoinconsensus add_library(bitcoinconsensus arith_uint256.cpp hash.cpp primitives/transaction.cpp pubkey.cpp uint256.cpp util/strencodings.cpp ) target_link_libraries(bitcoinconsensus script) include(InstallationHelper) if(BUILD_LIBBITCOINCONSENSUS) target_compile_definitions(bitcoinconsensus PUBLIC BUILD_BITCOIN_INTERNAL HAVE_CONSENSUS_LIB ) install_shared_library(bitcoinconsensus script/bitcoinconsensus.cpp PUBLIC_HEADER script/bitcoinconsensus.h ) endif() # Bitcoin server facilities add_library(server addrdb.cpp addrman.cpp avalanche.cpp banman.cpp bloom.cpp blockencodings.cpp blockfilter.cpp chain.cpp checkpoints.cpp config.cpp consensus/activation.cpp consensus/tx_verify.cpp dbwrapper.cpp flatfile.cpp globals.cpp httprpc.cpp httpserver.cpp index/base.cpp index/txindex.cpp init.cpp interfaces/chain.cpp interfaces/handler.cpp interfaces/node.cpp merkleblock.cpp miner.cpp minerfund.cpp net.cpp net_processing.cpp noui.cpp outputtype.cpp policy/fees.cpp policy/mempool.cpp policy/policy.cpp pow.cpp rest.cpp rpc/abc.cpp rpc/avalanche.cpp rpc/blockchain.cpp rpc/command.cpp rpc/jsonrpcrequest.cpp rpc/mining.cpp rpc/misc.cpp rpc/net.cpp rpc/rawtransaction.cpp rpc/server.cpp script/scriptcache.cpp script/sigcache.cpp shutdown.cpp timedata.cpp torcontrol.cpp txdb.cpp txmempool.cpp ui_interface.cpp validation.cpp validationinterface.cpp versionbits.cpp ) target_include_directories(server PRIVATE leveldb/helpers/memenv) # This require libevent set(EVENT_MIN_VERSION 2.0.22) find_package(Event ${EVENT_MIN_VERSION} REQUIRED COMPONENTS event) target_link_libraries(server Event::event bitcoinconsensus leveldb memenv ) if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Windows") find_package(Event ${EVENT_MIN_VERSION} REQUIRED COMPONENTS pthreads) target_link_libraries(server Event::pthreads) endif() if(ENABLE_UPNP) find_package(MiniUPnPc 1.5 REQUIRED) target_link_libraries(server MiniUPnPc::miniupnpc) if(${CMAKE_SYSTEM_NAME} MATCHES "Windows") # TODO: check if we are really using a static library. Assume this is # the one from the depends for now since the native windows build is not # supported. target_compile_definitions(server PUBLIC -DSTATICLIB PUBLIC -DMINIUPNP_STATICLIB ) endif() endif() # Test suite. add_subdirectory(test) # Benchmark suite. add_subdirectory(bench) # Wallet if(BUILD_BITCOIN_WALLET) add_subdirectory(wallet) target_link_libraries(server wallet) # There is a circular dependency between wallet and server, see: # https://github.com/bitcoin/bitcoin/pull/14437#discussion_r226237048 target_link_libraries(wallet server) else() target_sources(server PRIVATE dummywallet.cpp) endif() # ZeroMQ if(BUILD_BITCOIN_ZMQ) add_subdirectory(zmq) target_link_libraries(server zmq) endif() # RPC client support add_library(rpcclient rpc/client.cpp) target_link_libraries(rpcclient univalue util) # bitcoin-seeder if(BUILD_BITCOIN_SEEDER) add_subdirectory(seeder) endif() include(BinaryTest) # bitcoin-cli if(BUILD_BITCOIN_CLI) add_executable(bitcoin-cli bitcoin-cli.cpp) if(${CMAKE_SYSTEM_NAME} MATCHES "Windows") target_sources(bitcoin-cli PRIVATE bitcoin-cli-res.rc) endif() target_link_libraries(bitcoin-cli common rpcclient Event::event) add_to_symbols_check(bitcoin-cli) add_to_security_check(bitcoin-cli) install_target(bitcoin-cli) endif() # bitcoin-tx if(BUILD_BITCOIN_TX) add_executable(bitcoin-tx bitcoin-tx.cpp) if(${CMAKE_SYSTEM_NAME} MATCHES "Windows") target_sources(bitcoin-tx PRIVATE bitcoin-tx-res.rc) endif() target_link_libraries(bitcoin-tx bitcoinconsensus) add_to_symbols_check(bitcoin-tx) add_to_security_check(bitcoin-tx) install_target(bitcoin-tx) endif() # bitcoind add_executable(bitcoind bitcoind.cpp) target_link_libraries(bitcoind server) if(${CMAKE_SYSTEM_NAME} MATCHES "Windows") target_sources(bitcoind PRIVATE bitcoind-res.rc) endif() add_to_symbols_check(bitcoind) add_to_security_check(bitcoind) install_target(bitcoind) # Bitcoin-qt if(BUILD_BITCOIN_QT) add_subdirectory(qt) endif() diff --git a/src/Makefile.am b/src/Makefile.am index 2e842fccb..e8095e8b4 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -1,717 +1,719 @@ # Copyright (c) 2013-2016 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. DIST_SUBDIRS = secp256k1 univalue AM_LDFLAGS = $(PTHREAD_CFLAGS) $(LIBTOOL_LDFLAGS) $(HARDENED_LDFLAGS) $(GPROF_LDFLAGS) $(SANITIZER_LDFLAGS) AM_CXXFLAGS = $(DEBUG_CXXFLAGS) $(HARDENED_CXXFLAGS) $(WARN_CXXFLAGS) $(NOWARN_CXXFLAGS) $(ERROR_CXXFLAGS) $(GPROF_CXXFLAGS) $(SANITIZER_CXXFLAGS) AM_CPPFLAGS = $(DEBUG_CPPFLAGS) $(HARDENED_CPPFLAGS) AM_LIBTOOLFLAGS = --preserve-dup-deps EXTRA_LIBRARIES = if EMBEDDED_UNIVALUE LIBUNIVALUE = univalue/libunivalue.la $(LIBUNIVALUE): $(wildcard univalue/lib/*) $(wildcard univalue/include/*) $(AM_V_at)$(MAKE) $(AM_MAKEFLAGS) -C $(@D) $(@F) else LIBUNIVALUE = $(UNIVALUE_LIBS) endif BITCOIN_INCLUDES=-I$(builddir) $(BDB_CPPFLAGS) $(BOOST_CPPFLAGS) $(LEVELDB_CPPFLAGS) $(CRYPTO_CFLAGS) $(SSL_CFLAGS) BITCOIN_INCLUDES += -I$(srcdir)/secp256k1/include BITCOIN_INCLUDES += $(UNIVALUE_CFLAGS) BITCOIN_SEEDER_INCLUDES = -I$(srcdir)/seeder BITCOIN_SEEDER_INCLUDES += $(BITCOIN_INCLUDES) LIBBITCOIN_SERVER=libbitcoin_server.a LIBBITCOIN_COMMON=libbitcoin_common.a LIBBITCOIN_CONSENSUS=libbitcoin_consensus.a LIBBITCOIN_CLI=libbitcoin_cli.a LIBBITCOIN_UTIL=libbitcoin_util.a LIBBITCOIN_CRYPTO_BASE=crypto/libbitcoin_crypto_base.a LIBBITCOINQT=qt/libbitcoinqt.a LIBSECP256K1=secp256k1/libsecp256k1.la if ENABLE_ZMQ LIBBITCOIN_ZMQ=libbitcoin_zmq.a endif if BUILD_BITCOIN_LIBS LIBBITCOINCONSENSUS=libbitcoinconsensus.la endif if BUILD_BITCOIN_SEEDER LIBBITCOIN_SEEDER=libbitcoin_seeder.a endif if ENABLE_WALLET LIBBITCOIN_WALLET=libbitcoin_wallet.a endif LIBBITCOIN_CRYPTO= $(LIBBITCOIN_CRYPTO_BASE) if ENABLE_SSE41 LIBBITCOIN_CRYPTO_SSE41 = crypto/libbitcoin_crypto_sse41.a LIBBITCOIN_CRYPTO += $(LIBBITCOIN_CRYPTO_SSE41) endif if ENABLE_AVX2 LIBBITCOIN_CRYPTO_AVX2 = crypto/libbitcoin_crypto_avx2.a LIBBITCOIN_CRYPTO += $(LIBBITCOIN_CRYPTO_AVX2) endif if ENABLE_SHANI LIBBITCOIN_CRYPTO_SHANI = crypto/libbitcoin_crypto_shani.a LIBBITCOIN_CRYPTO += $(LIBBITCOIN_CRYPTO_SHANI) endif $(LIBSECP256K1): $(wildcard secp256k1/src/*) $(wildcard secp256k1/include/*) $(AM_V_at)$(MAKE) $(AM_MAKEFLAGS) -C $(@D) $(@F) # Make is not made aware of per-object dependencies to avoid limiting building parallelization # But to build the less dependent modules first, we manually select their order here: EXTRA_LIBRARIES += \ $(LIBBITCOIN_CRYPTO) \ $(LIBBITCOIN_UTIL) \ $(LIBBITCOIN_COMMON) \ $(LIBBITCOIN_CONSENSUS) \ $(LIBBITCOIN_SERVER) \ $(LIBBITCOIN_CLI) \ $(LIBBITCOIN_SEEDER) \ $(LIBBITCOIN_WALLET) \ $(LIBBITCOIN_ZMQ) lib_LTLIBRARIES = $(LIBBITCOINCONSENSUS) bin_PROGRAMS = noinst_PROGRAMS = TESTS = BENCHMARKS = if BUILD_BITCOIND bin_PROGRAMS += bitcoind endif if BUILD_BITCOIN_SEEDER bin_PROGRAMS += bitcoin-seeder endif if BUILD_BITCOIN_UTILS bin_PROGRAMS += bitcoin-cli bitcoin-tx endif .PHONY: FORCE check-symbols check-security # bitcoin core # BITCOIN_CORE_H = \ addrdb.h \ addrman.h \ attributes.h \ avalanche.h \ banman.h \ base58.h \ bloom.h \ blockencodings.h \ blockfileinfo.h \ blockfilter.h \ blockindexworkcomparator.h \ blockstatus.h \ blockvalidity.h \ cashaddr.h \ cashaddrenc.h \ chain.h \ chainparams.h \ chainparamsbase.h \ chainparamsconstants.h \ chainparamsseeds.h \ checkpoints.h \ checkqueue.h \ clientversion.h \ coins.h \ compat.h \ compat/assumptions.h \ compat/byteswap.h \ compat/endian.h \ compat/sanity.h \ compat/setenv.h \ compressor.h \ config.h \ consensus/activation.h \ consensus/consensus.h \ consensus/tx_verify.h \ core_io.h \ core_memusage.h \ cuckoocache.h \ + eventloop.h \ flatfile.h \ fs.h \ globals.h \ httprpc.h \ httpserver.h \ index/base.h \ index/txindex.h \ indirectmap.h \ init.h \ interfaces/chain.h \ interfaces/handler.h \ interfaces/node.h \ interfaces/wallet.h \ key.h \ key_io.h \ keystore.h \ dbwrapper.h \ limitedmap.h \ logging.h \ memusage.h \ merkleblock.h \ miner.h \ minerfund.h \ net.h \ net_processing.h \ netaddress.h \ netbase.h \ netmessagemaker.h \ noui.h \ optional.h \ outputtype.h \ policy/fees.h \ policy/mempool.h \ policy/policy.h \ pow.h \ protocol.h \ radix.h \ random.h \ rcu.h \ reverse_iterator.h \ reverselock.h \ rpc/blockchain.h \ rpc/client.h \ rpc/command.h \ rpc/jsonrpcrequest.h \ rpc/mining.h \ rpc/protocol.h \ rpc/rawtransaction.h \ rpc/server.h \ rpc/register.h \ rpc/util.h \ rwcollection.h \ scheduler.h \ script/descriptor.h \ script/ismine.h \ script/scriptcache.h \ script/sigcache.h \ script/sign.h \ script/standard.h \ shutdown.h \ streams.h \ support/allocators/secure.h \ support/allocators/zeroafterfree.h \ support/cleanse.h \ support/events.h \ support/lockedpool.h \ sync.h \ threadsafety.h \ threadinterrupt.h \ timedata.h \ torcontrol.h \ txdb.h \ txmempool.h \ ui_interface.h \ undo.h \ util/bitmanip.h \ util/bytevectorhash.h \ util/moneystr.h \ util/system.h \ util/threadnames.h \ util/time.h \ validation.h \ validationinterface.h \ versionbits.h \ versionbitsinfo.h \ walletinitinterface.h \ wallet/coincontrol.h \ wallet/coinselection.h \ wallet/crypter.h \ wallet/db.h \ wallet/finaltx.h \ wallet/rpcdump.h \ wallet/fees.h \ wallet/rpcwallet.h \ wallet/wallet.h \ wallet/walletdb.h \ wallet/walletutil.h \ warnings.h \ zmq/zmqabstractnotifier.h \ zmq/zmqconfig.h\ zmq/zmqnotificationinterface.h \ zmq/zmqpublishnotifier.h \ zmq/zmqrpc.h obj/build.h: FORCE @$(MKDIR_P) "$(builddir)/obj" @$(top_srcdir)/share/genbuild.sh "$(abs_top_builddir)/src/obj/build.h" \ "$(abs_top_srcdir)" libbitcoin_util_a-clientversion.$(OBJEXT): obj/build.h # server: shared between bitcoind and bitcoin-qt 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 = \ addrdb.cpp \ addrman.cpp \ avalanche.cpp \ banman.cpp \ bloom.cpp \ blockencodings.cpp \ blockfilter.cpp \ chain.cpp \ checkpoints.cpp \ config.cpp \ consensus/activation.cpp \ consensus/tx_verify.cpp \ flatfile.cpp \ globals.cpp \ httprpc.cpp \ httpserver.cpp \ index/base.cpp \ index/txindex.cpp \ init.cpp \ interfaces/chain.cpp \ interfaces/handler.cpp \ interfaces/node.cpp \ dbwrapper.cpp \ merkleblock.cpp \ miner.cpp \ minerfund.cpp \ net.cpp \ net_processing.cpp \ noui.cpp \ outputtype.cpp \ policy/fees.cpp \ policy/mempool.cpp \ policy/policy.cpp \ pow.cpp \ rest.cpp \ rpc/abc.cpp \ rpc/avalanche.cpp \ rpc/blockchain.cpp \ rpc/command.cpp \ rpc/jsonrpcrequest.cpp \ rpc/mining.cpp \ rpc/misc.cpp \ rpc/net.cpp \ rpc/rawtransaction.cpp \ rpc/server.cpp \ script/scriptcache.cpp \ script/sigcache.cpp \ shutdown.cpp \ timedata.cpp \ torcontrol.cpp \ txdb.cpp \ txmempool.cpp \ ui_interface.cpp \ validation.cpp \ validationinterface.cpp \ versionbits.cpp \ $(BITCOIN_CORE_H) if !ENABLE_WALLET libbitcoin_server_a_SOURCES += dummywallet.cpp endif if ENABLE_ZMQ 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 \ zmq/zmqpublishnotifier.cpp \ zmq/zmqrpc.cpp endif # wallet: shared between bitcoind and bitcoin-qt, but only linked # when wallet enabled libbitcoin_wallet_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) libbitcoin_wallet_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) libbitcoin_wallet_a_SOURCES = \ interfaces/wallet.cpp \ wallet/coincontrol.cpp \ wallet/crypter.cpp \ wallet/coinselection.cpp \ wallet/db.cpp \ wallet/finaltx.cpp \ wallet/fees.cpp \ wallet/init.cpp \ wallet/rpcdump.cpp \ wallet/rpcwallet.cpp \ wallet/wallet.cpp \ wallet/walletdb.cpp \ wallet/walletutil.cpp \ $(BITCOIN_CORE_H) # crypto primitives library crypto_libbitcoin_crypto_base_a_CPPFLAGS = $(AM_CPPFLAGS) crypto_libbitcoin_crypto_base_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) crypto_libbitcoin_crypto_base_a_SOURCES = \ crypto/aes.cpp \ crypto/aes.h \ crypto/chacha20.h \ crypto/chacha20.cpp \ crypto/common.h \ crypto/hmac_sha256.cpp \ crypto/hmac_sha256.h \ crypto/hmac_sha512.cpp \ crypto/hmac_sha512.h \ crypto/ripemd160.cpp \ crypto/ripemd160.h \ crypto/sha1.cpp \ crypto/sha1.h \ crypto/sha256.cpp \ crypto/sha256.h \ crypto/sha512.cpp \ crypto/sha512.h \ crypto/siphash.cpp \ crypto/siphash.h if USE_ASM crypto_libbitcoin_crypto_base_a_SOURCES += crypto/sha256_sse4.cpp endif crypto_libbitcoin_crypto_sse41_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) crypto_libbitcoin_crypto_sse41_a_CPPFLAGS = $(AM_CPPFLAGS) crypto_libbitcoin_crypto_sse41_a_CXXFLAGS += $(SSE41_CXXFLAGS) crypto_libbitcoin_crypto_sse41_a_CPPFLAGS += -DENABLE_SSE41 crypto_libbitcoin_crypto_sse41_a_SOURCES = crypto/sha256_sse41.cpp crypto_libbitcoin_crypto_avx2_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) crypto_libbitcoin_crypto_avx2_a_CPPFLAGS = $(AM_CPPFLAGS) crypto_libbitcoin_crypto_avx2_a_CXXFLAGS += $(AVX2_CXXFLAGS) crypto_libbitcoin_crypto_avx2_a_CPPFLAGS += -DENABLE_AVX2 crypto_libbitcoin_crypto_avx2_a_SOURCES = crypto/sha256_avx2.cpp crypto_libbitcoin_crypto_shani_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) crypto_libbitcoin_crypto_shani_a_CPPFLAGS = $(AM_CPPFLAGS) crypto_libbitcoin_crypto_shani_a_CXXFLAGS += $(SHANI_CXXFLAGS) crypto_libbitcoin_crypto_shani_a_CPPFLAGS += -DENABLE_SHANI crypto_libbitcoin_crypto_shani_a_SOURCES = crypto/sha256_shani.cpp # consensus: shared between all executables that validate any consensus rules. libbitcoin_consensus_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) libbitcoin_consensus_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) libbitcoin_consensus_a_SOURCES = \ amount.h \ arith_uint256.cpp \ arith_uint256.h \ consensus/merkle.cpp \ consensus/merkle.h \ consensus/params.h \ consensus/validation.h \ feerate.h \ hash.cpp \ hash.h \ prevector.h \ primitives/block.cpp \ primitives/block.h \ primitives/transaction.cpp \ primitives/transaction.h \ primitives/txid.h \ pubkey.cpp \ pubkey.h \ script/bitcoinconsensus.cpp \ script/bitfield.cpp \ script/bitfield.h \ script/sighashtype.h \ script/interpreter.cpp \ script/interpreter.h \ script/script.cpp \ script/script.h \ script/script_error.cpp \ script/script_error.h \ script/script_flags.h \ script/script_metrics.h \ script/sigencoding.cpp \ script/sigencoding.h \ serialize.h \ span.h \ tinyformat.h \ uint256.cpp \ uint256.h \ util/strencodings.cpp \ util/strencodings.h \ version.h # common: shared between bitcoind, and bitcoin-qt and non-server tools libbitcoin_common_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) libbitcoin_common_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) libbitcoin_common_a_SOURCES = \ amount.cpp \ base58.cpp \ cashaddr.cpp \ cashaddrenc.cpp \ chainparams.cpp \ config.cpp \ coins.cpp \ compressor.cpp \ + eventloop.cpp \ feerate.cpp \ globals.cpp \ core_read.cpp \ core_write.cpp \ key.cpp \ key_io.cpp \ keystore.cpp \ netaddress.cpp \ netbase.cpp \ protocol.cpp \ scheduler.cpp \ script/descriptor.cpp \ script/ismine.cpp \ script/sign.cpp \ script/standard.cpp \ versionbitsinfo.cpp \ warnings.cpp \ $(BITCOIN_CORE_H) # 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 = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) libbitcoin_util_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) libbitcoin_util_a_SOURCES = \ support/lockedpool.cpp \ chainparamsbase.cpp \ clientversion.cpp \ compat/glibc_sanity.cpp \ compat/glibcxx_sanity.cpp \ compat/strnlen.cpp \ fs.cpp \ logging.cpp \ random.cpp \ rcu.cpp \ rpc/protocol.cpp \ rpc/util.cpp \ support/cleanse.cpp \ sync.cpp \ threadinterrupt.cpp \ uint256.cpp \ uint256.h \ util/system.cpp \ util/moneystr.cpp \ util/strencodings.cpp \ util/threadnames.cpp \ util/time.cpp \ util/bytevectorhash.cpp \ $(BITCOIN_CORE_H) if GLIBC_BACK_COMPAT libbitcoin_util_a_SOURCES += compat/glibc_compat.cpp AM_LDFLAGS += $(COMPAT_LDFLAGS) endif # cli: shared between bitcoin-cli and bitcoin-qt libbitcoin_cli_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) libbitcoin_cli_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) libbitcoin_cli_a_SOURCES = \ rpc/client.cpp \ $(BITCOIN_CORE_H) # seeder library libbitcoin_seeder_a_CPPFLAGS = $(AM_CPPFLAGS) $(PIE_FLAGS) $(BITCOIN_SEEDER_INCLUDES) libbitcoin_seeder_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) libbitcoin_seeder_a_SOURCES = \ seeder/bitcoin.cpp \ seeder/bitcoin.h \ seeder/db.cpp \ seeder/db.h \ seeder/dns.cpp \ seeder/dns.h \ seeder/util.h nodist_libbitcoin_util_a_SOURCES = $(srcdir)/obj/build.h # # bitcoind binary # bitcoind_SOURCES = bitcoind.cpp bitcoind_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) bitcoind_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) bitcoind_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) if TARGET_WINDOWS bitcoind_SOURCES += bitcoind-res.rc endif bitcoind_LDADD = \ $(LIBBITCOIN_SERVER) \ $(LIBBITCOIN_WALLET) \ $(LIBBITCOIN_SERVER) \ $(LIBBITCOIN_COMMON) \ $(LIBUNIVALUE) \ $(LIBBITCOIN_UTIL) \ $(LIBBITCOIN_ZMQ) \ $(LIBBITCOIN_CONSENSUS) \ $(LIBBITCOIN_CRYPTO) \ $(LIBLEVELDB) \ $(LIBLEVELDB_SSE42) \ $(LIBMEMENV) \ $(LIBSECP256K1) bitcoind_LDADD += $(BOOST_LIBS) $(BDB_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(MINIUPNPC_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(ZMQ_LIBS) # bitcoin-cli binary # bitcoin_cli_SOURCES = bitcoin-cli.cpp 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 bitcoin_cli_SOURCES += bitcoin-cli-res.rc endif bitcoin_cli_LDADD = \ $(LIBBITCOIN_CLI) \ $(LIBUNIVALUE) \ $(LIBBITCOIN_UTIL) \ $(LIBBITCOIN_CRYPTO) bitcoin_cli_LDADD += $(BOOST_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(EVENT_LIBS) # # bitcoin-seeder binary # bitcoin_seeder_SOURCES = seeder/main.cpp bitcoin_seeder_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_SEEDER_INCLUDES) bitcoin_seeder_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) bitcoin_seeder_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) bitcoin_seeder_LDADD = \ $(LIBBITCOIN_SEEDER) \ $(LIBBITCOIN_COMMON) \ $(LIBBITCOIN_UTIL) \ $(LIBBITCOIN_CRYPTO) \ $(LIBBITCOIN_CONSENSUS) bitcoin_seeder_LDADD += $(BOOST_LIBS) $(CRYPTO_LIBS) # # bitcoin-tx binary # bitcoin_tx_SOURCES = bitcoin-tx.cpp 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 bitcoin_tx_SOURCES += bitcoin-tx-res.rc endif bitcoin_tx_LDADD = \ $(LIBUNIVALUE) \ $(LIBBITCOIN_COMMON) \ $(LIBBITCOIN_UTIL) \ $(LIBBITCOIN_CONSENSUS) \ $(LIBBITCOIN_CRYPTO) \ $(LIBSECP256K1) bitcoin_tx_LDADD += $(BOOST_LIBS) $(CRYPTO_LIBS) # # bitcoinconsensus library # if BUILD_BITCOIN_LIBS include_HEADERS = script/bitcoinconsensus.h libbitcoinconsensus_la_SOURCES = $(crypto_libbitcoin_crypto_base_a_SOURCES) $(libbitcoin_consensus_a_SOURCES) if GLIBC_BACK_COMPAT libbitcoinconsensus_la_SOURCES += compat/glibc_compat.cpp endif libbitcoinconsensus_la_LDFLAGS = $(AM_LDFLAGS) -no-undefined $(RELDFLAGS) libbitcoinconsensus_la_LIBADD = $(LIBSECP256K1) libbitcoinconsensus_la_CPPFLAGS = $(AM_CPPFLAGS) -I$(builddir)/obj -I$(srcdir)/secp256k1/include -DBUILD_BITCOIN_INTERNAL libbitcoinconsensus_la_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) endif # CTAES_DIST = crypto/ctaes/bench.c CTAES_DIST += crypto/ctaes/ctaes.c CTAES_DIST += crypto/ctaes/ctaes.h CTAES_DIST += crypto/ctaes/README.md CTAES_DIST += crypto/ctaes/test.c CLEANFILES = $(EXTRA_LIBRARIES) CLEANFILES += *.gcda *.gcno CLEANFILES += compat/*.gcda compat/*.gcno CLEANFILES += consensus/*.gcda consensus/*.gcno CLEANFILES += crypto/*.gcda crypto/*.gcno CLEANFILES += policy/*.gcda policy/*.gcno CLEANFILES += primitives/*.gcda primitives/*.gcno CLEANFILES += script/*.gcda script/*.gcno CLEANFILES += support/*.gcda support/*.gcno CLEANFILES += univalue/*.gcda univalue/*.gcno CLEANFILES += wallet/*.gcda wallet/*.gcno CLEANFILES += wallet/test/*.gcda wallet/test/*.gcno CLEANFILES += zmq/*.gcda zmq/*.gcno CLEANFILES += obj/build.h EXTRA_DIST = $(CTAES_DIST) config/bitcoin-config.h: config/stamp-h1 @$(MAKE) -C $(top_builddir) $(subdir)/$(@) config/stamp-h1: $(top_srcdir)/$(subdir)/config/bitcoin-config.h.in $(top_builddir)/config.status $(AM_V_at)$(MAKE) -C $(top_builddir) $(subdir)/$(@) $(top_srcdir)/$(subdir)/config/bitcoin-config.h.in: $(am__configure_deps) $(AM_V_at)$(MAKE) -C $(top_srcdir) $(subdir)/config/bitcoin-config.h.in clean-local: -$(MAKE) -C secp256k1 clean -$(MAKE) -C univalue clean -rm -f leveldb/*/*.gcda leveldb/*/*.gcno leveldb/helpers/memenv/*.gcda leveldb/helpers/memenv/*.gcno -rm -rf test/__pycache__ .rc.o: @test -f $(WINDRES) ## FIXME: How to get the appropriate modulename_CPPFLAGS in here? $(AM_V_GEN) $(WINDRES) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(CPPFLAGS) -DWINDRES_PREPROC -i $< -o $@ .mm.o: $(AM_V_CXX) $(OBJCXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ $(CPPFLAGS) $(AM_CXXFLAGS) $(QT_INCLUDES) $(AM_CXXFLAGS) $(PIE_FLAGS) $(CXXFLAGS) -c -o $@ $< check-symbols: $(bin_PROGRAMS) if GLIBC_BACK_COMPAT @echo "Checking glibc back compat..." $(AM_V_at) READELF=$(READELF) CPPFILT=$(CPPFILT) $(PYTHON) $(top_srcdir)/contrib/devtools/symbol-check.py < $(bin_PROGRAMS) endif check-security: $(bin_PROGRAMS) if HARDEN @echo "Checking binary security..." $(AM_V_at) READELF=$(READELF) OBJDUMP=$(OBJDUMP) $(PYTHON) $(top_srcdir)/contrib/devtools/security-check.py < $(bin_PROGRAMS) endif if ENABLE_BIP70 %.pb.cc %.pb.h: %.proto @test -f $(PROTOC) $(AM_V_GEN) $(PROTOC) --cpp_out=$(@D) --proto_path=$( #include #include #include #include #include #include #include /** * Run the avalanche event loop every 10ms. */ static const int64_t AVALANCHE_TIME_STEP_MILLISECONDS = 10; // Unfortunately, the bitcoind codebase is full of global and we are kinda // forced into it here. std::unique_ptr g_avalanche; bool VoteRecord::registerVote(NodeId nodeid, uint32_t error) { // We just got a new vote, so there is one less inflight request. clearInflightRequest(); // We want to avoid having the same node voting twice in a quorum. if (!addNodeToQuorum(nodeid)) { return false; } /** * The result of the vote is determined from the error code. If the error * code is 0, there is no error and therefore the vote is yes. If there is * an error, we check the most significant bit to decide if the vote is a no * (for instance, the block is invalid) or is the vote inconclusive (for * instance, the queried node does not have the block yet). */ votes = (votes << 1) | (error == 0); consider = (consider << 1) | (int32_t(error) >= 0); /** * We compute the number of yes and/or no votes as follow: * * votes: 1010 * consider: 1100 * * yes votes: 1000 using votes & consider * no votes: 0100 using ~votes & consider */ bool yes = countBits(votes & consider & 0xff) > 6; if (!yes) { bool no = countBits(~votes & consider & 0xff) > 6; if (!no) { // The round is inconclusive. return false; } } // If the round is in agreement with previous rounds, increase confidence. if (isAccepted() == yes) { confidence += 2; return getConfidence() == AVALANCHE_FINALIZATION_SCORE; } // The round changed our state. We reset the confidence. confidence = yes; return true; } bool VoteRecord::addNodeToQuorum(NodeId nodeid) { if (nodeid == NO_NODE) { // Helpful for testing. return true; } // MMIX Linear Congruent Generator. const uint64_t r1 = 6364136223846793005 * uint64_t(nodeid) + 1442695040888963407; // Fibonacci hashing. const uint64_t r2 = 11400714819323198485ull * (nodeid ^ seed); // Combine and extract hash. const uint16_t h = (r1 + r2) >> 48; /** * Check if the node is in the filter. */ for (size_t i = 1; i < nodeFilter.size(); i++) { if (nodeFilter[(successfulVotes + i) % nodeFilter.size()] == h) { return false; } } /** * Add the node which just voted to the filter. */ nodeFilter[successfulVotes % nodeFilter.size()] = h; successfulVotes++; return true; } bool VoteRecord::registerPoll() const { uint8_t count = inflight.load(); while (count < AVALANCHE_MAX_INFLIGHT_POLL) { if (inflight.compare_exchange_weak(count, count + 1)) { return true; } } return false; } static bool IsWorthPolling(const CBlockIndex *pindex) { AssertLockHeld(cs_main); if (pindex->nStatus.isInvalid()) { // No point polling invalid blocks. return false; } if (IsBlockFinalized(pindex)) { // There is no point polling finalized block. return false; } return true; } AvalancheProcessor::AvalancheProcessor(CConnman *connmanIn) : connman(connmanIn), queryTimeoutDuration( AVALANCHE_DEFAULT_QUERY_TIMEOUT_DURATION_MILLISECONDS), - round(0), stopRequest(false), running(false) { + round(0) { // Pick a random key for the session. sessionKey.MakeNewKey(true); } AvalancheProcessor::~AvalancheProcessor() { stopEventLoop(); } bool AvalancheProcessor::addBlockToReconcile(const CBlockIndex *pindex) { bool isAccepted; { LOCK(cs_main); if (!IsWorthPolling(pindex)) { // There is no point polling this block. return false; } isAccepted = ::ChainActive().Contains(pindex); } return vote_records.getWriteView() ->insert(std::make_pair(pindex, VoteRecord(isAccepted))) .second; } bool AvalancheProcessor::isAccepted(const CBlockIndex *pindex) const { auto r = vote_records.getReadView(); auto it = r->find(pindex); if (it == r.end()) { return false; } return it->second.isAccepted(); } int AvalancheProcessor::getConfidence(const CBlockIndex *pindex) const { auto r = vote_records.getReadView(); auto it = r->find(pindex); if (it == r.end()) { return -1; } return it->second.getConfidence(); } namespace { /** * When using TCP, we need to sign all messages as the transport layer is not * secure. */ class TCPAvalancheResponse { AvalancheResponse response; std::array sig; public: TCPAvalancheResponse(AvalancheResponse responseIn, const CKey &key) : response(std::move(responseIn)) { CHashWriter hasher(SER_GETHASH, 0); hasher << response; const uint256 hash = hasher.GetHash(); // Now let's sign! std::vector vchSig; if (key.SignSchnorr(hash, vchSig)) { // Schnorr sigs are 64 bytes in size. assert(vchSig.size() == 64); std::copy(vchSig.begin(), vchSig.end(), sig.begin()); } else { sig.fill(0); } } // serialization support ADD_SERIALIZE_METHODS; template inline void SerializationOp(Stream &s, Operation ser_action) { READWRITE(response); READWRITE(sig); } }; } // namespace void AvalancheProcessor::sendResponse(CNode *pfrom, AvalancheResponse response) const { connman->PushMessage( pfrom, CNetMsgMaker(pfrom->GetSendVersion()) .Make(NetMsgType::AVARESPONSE, TCPAvalancheResponse(std::move(response), sessionKey))); } bool AvalancheProcessor::registerVotes( NodeId nodeid, const AvalancheResponse &response, std::vector &updates) { { // Save the time at which we can query again. auto w = peerSet.getWriteView(); auto it = w->find(nodeid); if (it != w->end()) { w->modify(it, [&response](Peer &p) { // FIXME: This will override the time even when we received an // old stale message. This should check that the message is // indeed the most up to date one before updating the time. p.nextRequestTime = std::chrono::steady_clock::now() + std::chrono::milliseconds(response.getCooldown()); }); } } std::vector invs; { // Check that the query exists. auto w = queries.getWriteView(); auto it = w->find(std::make_tuple(nodeid, response.getRound())); if (it == w.end()) { // NB: The request may be old, so we don't increase banscore. return false; } invs = std::move(it->invs); w->erase(it); } // Verify that the request and the vote are consistent. const std::vector &votes = response.GetVotes(); size_t size = invs.size(); if (votes.size() != size) { // TODO: increase banscore for inconsistent response. // NB: This isn't timeout but actually node misbehaving. return false; } for (size_t i = 0; i < size; i++) { if (invs[i].hash != votes[i].GetHash()) { // TODO: increase banscore for inconsistent response. // NB: This isn't timeout but actually node misbehaving. return false; } } std::map responseIndex; { LOCK(cs_main); for (const auto &v : votes) { BlockMap::iterator mi = mapBlockIndex.find(BlockHash(v.GetHash())); if (mi == mapBlockIndex.end()) { // This should not happen, but just in case... continue; } CBlockIndex *pindex = mi->second; if (!IsWorthPolling(pindex)) { // There is no point polling this block. continue; } responseIndex.insert(std::make_pair(pindex, v)); } } { // Register votes. auto w = vote_records.getWriteView(); for (const auto &p : responseIndex) { CBlockIndex *pindex = p.first; const AvalancheVote &v = p.second; auto it = w->find(pindex); if (it == w.end()) { // We are not voting on that item anymore. continue; } auto &vr = it->second; if (!vr.registerVote(nodeid, v.GetError())) { // This vote did not provide any extra information, move on. continue; } if (!vr.hasFinalized()) { // This item has note been finalized, so we have nothing more to // do. updates.emplace_back( pindex, vr.isAccepted() ? AvalancheBlockUpdate::Status::Accepted : AvalancheBlockUpdate::Status::Rejected); continue; } // We just finalized a vote. If it is valid, then let the caller // know. Either way, remove the item from the map. updates.emplace_back(pindex, vr.isAccepted() ? AvalancheBlockUpdate::Status::Finalized : AvalancheBlockUpdate::Status::Invalid); w->erase(it); } } return true; } bool AvalancheProcessor::addPeer(NodeId nodeid, int64_t score, CPubKey pubkey) { return peerSet.getWriteView() ->insert({nodeid, score, std::chrono::steady_clock::now(), std::move(pubkey)}) .second; } CPubKey AvalancheProcessor::getPubKey(NodeId nodeid) const { auto r = peerSet.getReadView(); auto it = r->find(nodeid); if (it == r->end()) { return CPubKey(); } return it->pubkey; } bool AvalancheProcessor::startEventLoop(CScheduler &scheduler) { - LOCK(cs_running); - if (running) { - // Do not start the event loop twice. - return false; - } - - running = true; - - // Start the event loop. - scheduler.scheduleEvery( - [this]() -> bool { - runEventLoop(); - if (!stopRequest) { - return true; - } - - LOCK(cs_running); - running = false; - - cond_running.notify_all(); - - // A stop request was made. - return false; - }, + return eventLoop.startEventLoop( + scheduler, [this]() { this->runEventLoop(); }, AVALANCHE_TIME_STEP_MILLISECONDS); - - return true; } bool AvalancheProcessor::stopEventLoop() { - WAIT_LOCK(cs_running, lock); - if (!running) { - return false; - } - - // Request avalanche to stop. - stopRequest = true; - - // Wait for avalanche to stop. - cond_running.wait(lock, [this]() EXCLUSIVE_LOCKS_REQUIRED(cs_running) { - return !running; - }); - - stopRequest = false; - return true; + return eventLoop.stopEventLoop(); } std::vector AvalancheProcessor::getInvsForNextPoll(bool forPoll) const { std::vector invs; auto r = vote_records.getReadView(); for (const std::pair &p : reverse_iterate(r)) { const CBlockIndex *pindex = p.first; { LOCK(cs_main); if (!IsWorthPolling(pindex)) { // Obviously do not poll if the block is not worth polling. continue; } } // Check if we can run poll. const bool shouldPoll = forPoll ? p.second.registerPoll() : p.second.shouldPoll(); if (!shouldPoll) { continue; } // We don't have a decision, we need more votes. invs.emplace_back(MSG_BLOCK, pindex->GetBlockHash()); if (invs.size() >= AVALANCHE_MAX_ELEMENT_POLL) { // Make sure we do not produce more invs than specified by the // protocol. return invs; } } return invs; } NodeId AvalancheProcessor::getSuitableNodeToQuery() { auto r = peerSet.getReadView(); auto it = r->get().begin(); if (it == r->get().end()) { return NO_NODE; } if (it->nextRequestTime <= std::chrono::steady_clock::now()) { return it->nodeid; } return NO_NODE; } void AvalancheProcessor::clearTimedoutRequests() { auto now = std::chrono::steady_clock::now(); std::map timedout_items{}; { // Clear expired requests. auto w = queries.getWriteView(); auto it = w->get().begin(); while (it != w->get().end() && it->timeout < now) { for (const auto &i : it->invs) { timedout_items[i]++; } w->get().erase(it++); } } if (timedout_items.empty()) { return; } // In flight request accounting. for (const auto &p : timedout_items) { const CInv &inv = p.first; assert(inv.type == MSG_BLOCK); CBlockIndex *pindex; { LOCK(cs_main); BlockMap::iterator mi = mapBlockIndex.find(BlockHash(inv.hash)); if (mi == mapBlockIndex.end()) { continue; } pindex = mi->second; } auto w = vote_records.getWriteView(); auto it = w->find(pindex); if (it == w.end()) { continue; } it->second.clearInflightRequest(p.second); } } void AvalancheProcessor::runEventLoop() { // First things first, check if we have requests that timed out and clear // them. clearTimedoutRequests(); // Make sure there is at least one suitable node to query before gathering // invs. NodeId nodeid = getSuitableNodeToQuery(); if (nodeid == NO_NODE) { return; } std::vector invs = getInvsForNextPoll(); if (invs.empty()) { return; } do { /** * If we lost contact to that node, then we remove it from nodeids, but * never add the request to queries, which ensures bad nodes get cleaned * up over time. */ bool hasSent = connman->ForNode(nodeid, [this, &invs](CNode *pnode) { uint64_t current_round = round++; { // Compute the time at which this requests times out. auto timeout = std::chrono::steady_clock::now() + queryTimeoutDuration; // Register the query. queries.getWriteView()->insert( {pnode->GetId(), current_round, timeout, invs}); // Set the timeout. auto w = peerSet.getWriteView(); auto it = w->find(pnode->GetId()); if (it != w->end()) { w->modify(it, [&timeout](Peer &p) { p.nextRequestTime = timeout; }); } } // Send the query to the node. connman->PushMessage( pnode, CNetMsgMaker(pnode->GetSendVersion()) .Make(NetMsgType::AVAPOLL, AvalanchePoll(current_round, std::move(invs)))); return true; }); // Success! if (hasSent) { return; } // This node is obsolete, delete it. peerSet.getWriteView()->erase(nodeid); // Get next suitable node to try again nodeid = getSuitableNodeToQuery(); } while (nodeid != NO_NODE); } diff --git a/src/avalanche.h b/src/avalanche.h index f94fcdc94..804085a4b 100644 --- a/src/avalanche.h +++ b/src/avalanche.h @@ -1,376 +1,371 @@ // Copyright (c) 2018-2019 The Bitcoin developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #ifndef BITCOIN_AVALANCHE_H #define BITCOIN_AVALANCHE_H #include +#include #include #include #include // for CInv #include #include #include #include #include #include #include #include #include #include -#include #include #include class Config; class CBlockIndex; class CScheduler; namespace { /** * Is avalanche enabled by default. */ static const bool AVALANCHE_DEFAULT_ENABLED = false; /** * Finalization score. */ static const int AVALANCHE_FINALIZATION_SCORE = 128; /** * Maximum item that can be polled at once. */ static const size_t AVALANCHE_MAX_ELEMENT_POLL = 16; /** * Avalanche default cooldown in milliseconds. */ static const size_t AVALANCHE_DEFAULT_COOLDOWN = 100; /** * How long before we consider that a query timed out. */ static const int AVALANCHE_DEFAULT_QUERY_TIMEOUT_DURATION_MILLISECONDS = 10000; /** * How many inflight requests can exist for one item. */ static const int AVALANCHE_MAX_INFLIGHT_POLL = 10; /** * Special NodeId that represent no node. */ static const NodeId NO_NODE = -1; } // namespace /** * Vote history. */ struct VoteRecord { private: // confidence's LSB bit is the result. Higher bits are actual confidence // score. uint16_t confidence = 0; // Historical record of votes. uint8_t votes = 0; // Each bit indicate if the vote is to be considered. uint8_t consider = 0; // How many in flight requests exists for this element. mutable std::atomic inflight{0}; // Seed for pseudorandom operations. const uint32_t seed = 0; // Track how many successful votes occured. uint32_t successfulVotes = 0; // Track the nodes which are part of the quorum. std::array nodeFilter{{0, 0, 0, 0, 0, 0, 0, 0}}; public: VoteRecord(bool accepted) : confidence(accepted) {} /** * Copy semantic */ VoteRecord(const VoteRecord &other) : confidence(other.confidence), votes(other.votes), consider(other.consider), inflight(other.inflight.load()), successfulVotes(other.successfulVotes), nodeFilter(other.nodeFilter) { } /** * Vote accounting facilities. */ bool isAccepted() const { return confidence & 0x01; } uint16_t getConfidence() const { return confidence >> 1; } bool hasFinalized() const { return getConfidence() >= AVALANCHE_FINALIZATION_SCORE; } /** * Register a new vote for an item and update confidence accordingly. * Returns true if the acceptance or finalization state changed. */ bool registerVote(NodeId nodeid, uint32_t error); /** * Register that a request is being made regarding that item. * The method is made const so that it can be accessed via a read only view * of vote_records. It's not a problem as it is made thread safe. */ bool registerPoll() const; /** * Return if this item is in condition to be polled at the moment. */ bool shouldPoll() const { return inflight < AVALANCHE_MAX_INFLIGHT_POLL; } /** * Clear `count` inflight requests. */ void clearInflightRequest(uint8_t count = 1) { inflight -= count; } private: /** * Add the node to the quorum. * Returns true if the node was added, false if the node already was in the * quorum. */ bool addNodeToQuorum(NodeId nodeid); }; class AvalancheVote { uint32_t error; uint256 hash; public: AvalancheVote() : error(-1), hash() {} AvalancheVote(uint32_t errorIn, uint256 hashIn) : error(errorIn), hash(hashIn) {} const uint256 &GetHash() const { return hash; } uint32_t GetError() const { return error; } // serialization support ADD_SERIALIZE_METHODS; template inline void SerializationOp(Stream &s, Operation ser_action) { READWRITE(error); READWRITE(hash); } }; class AvalancheResponse { uint64_t round; uint32_t cooldown; std::vector votes; public: AvalancheResponse(uint64_t roundIn, uint32_t cooldownIn, std::vector votesIn) : round(roundIn), cooldown(cooldownIn), votes(votesIn) {} uint64_t getRound() const { return round; } uint32_t getCooldown() const { return cooldown; } const std::vector &GetVotes() const { return votes; } // serialization support ADD_SERIALIZE_METHODS; template inline void SerializationOp(Stream &s, Operation ser_action) { READWRITE(round); READWRITE(cooldown); READWRITE(votes); } }; class AvalanchePoll { uint64_t round; std::vector invs; public: AvalanchePoll(uint64_t roundIn, std::vector invsIn) : round(roundIn), invs(invsIn) {} const std::vector &GetInvs() const { return invs; } // serialization support ADD_SERIALIZE_METHODS; template inline void SerializationOp(Stream &s, Operation ser_action) { READWRITE(round); READWRITE(invs); } }; class AvalancheBlockUpdate { union { CBlockIndex *pindex; uintptr_t raw; }; static const size_t STATUS_BITS = 2; static const uintptr_t MASK = (1 << STATUS_BITS) - 1; static_assert( alignof(CBlockIndex) >= (1 << STATUS_BITS), "CBlockIndex alignement doesn't allow for Status to be stored."); public: enum Status : uint8_t { Invalid, Rejected, Accepted, Finalized, }; AvalancheBlockUpdate(CBlockIndex *pindexIn, Status statusIn) : pindex(pindexIn) { raw |= statusIn; } Status getStatus() const { return Status(raw & MASK); } CBlockIndex *getBlockIndex() { return reinterpret_cast(raw & ~MASK); } const CBlockIndex *getBlockIndex() const { return const_cast(this)->getBlockIndex(); } }; using BlockVoteMap = std::map; struct next_request_time {}; struct query_timeout {}; class AvalancheProcessor { private: CConnman *connman; std::chrono::milliseconds queryTimeoutDuration; /** * Blocks to run avalanche on. */ RWCollection vote_records; /** * Keep track of peers and queries sent. */ std::atomic round; using TimePoint = std::chrono::time_point; struct Peer { NodeId nodeid; int64_t score; TimePoint nextRequestTime; CPubKey pubkey; }; using PeerSet = boost::multi_index_container< Peer, boost::multi_index::indexed_by< // index by nodeid boost::multi_index::hashed_unique< boost::multi_index::member>, // sorted by nextRequestTime boost::multi_index::ordered_non_unique< boost::multi_index::tag, boost::multi_index::member>>>; RWCollection peerSet; struct Query { NodeId nodeid; uint64_t round; TimePoint timeout; /** * We declare this as mutable so it can be modified in the multi_index. * This is ok because we do not use this field to index in anyway. * * /!\ Do not use any mutable field as index. */ mutable std::vector invs; }; using QuerySet = boost::multi_index_container< Query, boost::multi_index::indexed_by< // index by nodeid/round boost::multi_index::ordered_unique< boost::multi_index::composite_key< Query, boost::multi_index::member, boost::multi_index::member>>, // sorted by timeout boost::multi_index::ordered_non_unique< boost::multi_index::tag, boost::multi_index::member>>>; RWCollection queries; - /** - * Start stop machinery. - */ - std::atomic stopRequest; - bool running GUARDED_BY(cs_running); - - Mutex cs_running; - std::condition_variable cond_running; - + /** The key used to sign responses. */ CKey sessionKey; + /** Event loop machinery. */ + EventLoop eventLoop; + public: AvalancheProcessor(CConnman *connmanIn); ~AvalancheProcessor(); void setQueryTimeoutDuration(std::chrono::milliseconds d) { queryTimeoutDuration = d; } bool addBlockToReconcile(const CBlockIndex *pindex); bool isAccepted(const CBlockIndex *pindex) const; int getConfidence(const CBlockIndex *pindex) const; void sendResponse(CNode *pfrom, AvalancheResponse response) const; bool registerVotes(NodeId nodeid, const AvalancheResponse &response, std::vector &updates); bool addPeer(NodeId nodeid, int64_t score, CPubKey pubkey); CPubKey getPubKey(NodeId nodeid) const; CPubKey getSessionPubKey() const { return sessionKey.GetPubKey(); } bool startEventLoop(CScheduler &scheduler); bool stopEventLoop(); private: void runEventLoop(); void clearTimedoutRequests(); std::vector getInvsForNextPoll(bool forPoll = true) const; NodeId getSuitableNodeToQuery(); friend struct AvalancheTest; }; /** * Global avalanche instance. */ extern std::unique_ptr g_avalanche; #endif // BITCOIN_AVALANCHE_H diff --git a/src/eventloop.cpp b/src/eventloop.cpp new file mode 100644 index 000000000..9aef01e84 --- /dev/null +++ b/src/eventloop.cpp @@ -0,0 +1,61 @@ +// Copyright (c) 2020 The Bitcoin developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include + +#include + +EventLoop::~EventLoop() { + stopEventLoop(); +} + +bool EventLoop::startEventLoop(CScheduler &scheduler, + std::function runEventLoop, + int64_t deltaMilliSeconds) { + LOCK(cs_running); + if (running) { + // Do not start the event loop twice. + return false; + } + + running = true; + + // Start the event loop. + scheduler.scheduleEvery( + [this, runEventLoop]() -> bool { + runEventLoop(); + if (!stopRequest) { + return true; + } + + LOCK(cs_running); + running = false; + + cond_running.notify_all(); + + // A stop request was made. + return false; + }, + deltaMilliSeconds); + + return true; +} + +bool EventLoop::stopEventLoop() { + WAIT_LOCK(cs_running, lock); + if (!running) { + return false; + } + + // Request avalanche to stop. + stopRequest = true; + + // Wait for avalanche to stop. + cond_running.wait(lock, [this]() EXCLUSIVE_LOCKS_REQUIRED(cs_running) { + return !running; + }); + + stopRequest = false; + return true; +} diff --git a/src/eventloop.h b/src/eventloop.h new file mode 100644 index 000000000..32fba3b22 --- /dev/null +++ b/src/eventloop.h @@ -0,0 +1,37 @@ +// Copyright (c) 2020 The Bitcoin developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#ifndef BITCOIN_EVENTLOOP_H +#define BITCOIN_EVENTLOOP_H + +#include + +#include +#include +#include + +class CScheduler; + +struct EventLoop { +public: + EventLoop() {} + ~EventLoop(); + + bool startEventLoop(CScheduler &scheduler, + std::function runEventLoop, + int64_t deltaMilliSeconds); + bool stopEventLoop(); + +private: + /** + * Start stop machinery. + */ + std::atomic stopRequest{false}; + bool running GUARDED_BY(cs_running) = false; + + Mutex cs_running; + std::condition_variable cond_running; +}; + +#endif // BITCOIN_EVENTLOOP_H