Merge branch 'auxpow'

.github/workflows/ci.yml

@@ -72,16 +72,20 @@ jobs:
         run: |
           # Run tests on commits after the last merge commit and before the PR head commit
           # Use clang++, because it is a bit faster and uses less memory than g++
-          git rebase --exec "echo Running test-one-commit on \$( git log -1 ) && CC=clang CXX=clang++ cmake -B build -DWERROR=ON -DWITH_ZMQ=ON -DBUILD_GUI=ON -DBUILD_BENCH=ON -DBUILD_FUZZ_BINARY=ON -DWITH_BDB=ON -DWITH_USDT=ON -DCMAKE_CXX_FLAGS='-Wno-error=unused-member-function' && cmake --build build -j $(nproc) && ctest --output-on-failure --test-dir build -j $(nproc) && ./build/test/functional/test_runner.py -j $(( $(nproc) * 2 ))" ${{ env.TEST_BASE }}
+          git rebase --exec "echo Running test-one-commit on \$( git log -1 ) && CC=clang CXX=clang++ cmake -B build -DWERROR=ON -DWITH_ZMQ=ON -DBUILD_GUI=ON -DBUILD_BENCH=ON -DBUILD_FUZZ_BINARY=ON -DWITH_BDB=ON -DWITH_USDT=ON -DCMAKE_CXX_FLAGS='-Wno-error=unused-member-function' && cmake --build build -j $(nproc) && ctest --output-on-failure --stop-on-failure --test-dir build -j $(nproc) && ./build/test/functional/test_runner.py -j $(( $(nproc) * 2 ))" ${{ env.TEST_BASE }}
 
   macos-native-arm64:
     name: 'macOS 14 native, arm64, no depends, sqlite only, gui'
     # Use latest image, but hardcode version to avoid silent upgrades (and breaks).
     # See: https://github.com/actions/runner-images#available-images.
     runs-on: macos-14
 
-    # No need to run on the read-only mirror, unless it is a PR.
-    if: github.repository != 'bitcoin-core/gui' || github.event_name == 'pull_request'
+    # When a contributor maintains a fork of the repo, any pull request they make
+    # to their own fork, or to the main repository, will trigger two CI runs:
+    # one for the branch push and one for the pull request.
+    # This can be avoided by setting SKIP_BRANCH_PUSH=true as a custom env variable
+    # in Github repository settings.
+    if: ${{ vars.SKIP_BRANCH_PUSH != 'true' || github.event_name == 'pull_request' }}
 
     timeout-minutes: 120
 
@@ -135,8 +139,7 @@ jobs:
     # See: https://github.com/actions/runner-images#available-images.
     runs-on: windows-2022
 
-    # No need to run on the read-only mirror, unless it is a PR.
-    if: github.repository != 'bitcoin-core/gui' || github.event_name == 'pull_request'
+    if: ${{ vars.SKIP_BRANCH_PUSH != 'true' || github.event_name == 'pull_request' }}
 
     env:
       PYTHONUTF8: 1
@@ -199,7 +202,7 @@ jobs:
       - name: Run test suite
         working-directory: build
         run: |
-          ctest --output-on-failure -j $env:NUMBER_OF_PROCESSORS -C Release
+          ctest --output-on-failure --stop-on-failure -j $env:NUMBER_OF_PROCESSORS -C Release
 
       - name: Run functional tests
         working-directory: build
@@ -215,8 +218,7 @@ jobs:
   asan-lsan-ubsan-integer-no-depends-usdt:
     name: 'ASan + LSan + UBSan + integer, no depends, USDT'
     runs-on: ubuntu-24.04 # has to match container in ci/test/00_setup_env_native_asan.sh for tracing tools
-    # No need to run on the read-only mirror, unless it is a PR.
-    if: github.repository != 'bitcoin-core/gui' || github.event_name == 'pull_request'
+    if: ${{ vars.SKIP_BRANCH_PUSH != 'true' || github.event_name == 'pull_request' }}
     timeout-minutes: 120
     env:
       FILE_ENV: "./ci/test/00_setup_env_native_asan.sh"

ci/test/00_setup_env_i686_centos.sh

@@ -9,7 +9,7 @@ export LC_ALL=C.UTF-8
 export HOST=i686-pc-linux-gnu
 export CONTAINER_NAME=ci_i686_centos
 export CI_IMAGE_NAME_TAG="quay.io/centos/amd64:stream9"
-export CI_BASE_PACKAGES="gcc-c++ glibc-devel.x86_64 libstdc++-devel.x86_64 glibc-devel.i686 libstdc++-devel.i686 ccache make git python3 python3-pip which patch lbzip2 xz procps-ng dash rsync coreutils bison util-linux e2fsprogs cmake"
+export CI_BASE_PACKAGES="gcc-c++ glibc-devel.x86_64 libstdc++-devel.x86_64 glibc-devel.i686 libstdc++-devel.i686 ccache make git python3 python3-pip which patch lbzip2 xz procps-ng dash rsync coreutils bison e2fsprogs cmake"
 export PIP_PACKAGES="pyzmq"
 export GOAL="install"
 export NO_WERROR=1  # Suppress error: #warning _FORTIFY_SOURCE > 2 is treated like 2 on this platform [-Werror=cpp]

ci/test/03_test_script.sh

@@ -145,7 +145,7 @@ if [ "$RUN_CHECK_DEPS" = "true" ]; then
 fi
 
 if [ "$RUN_UNIT_TESTS" = "true" ]; then
-  DIR_UNIT_TEST_DATA="${DIR_UNIT_TEST_DATA}" LD_LIBRARY_PATH="${DEPENDS_DIR}/${HOST}/lib" CTEST_OUTPUT_ON_FAILURE=ON ctest "${MAKEJOBS}" --timeout $(( TEST_RUNNER_TIMEOUT_FACTOR * 60 ))
+  DIR_UNIT_TEST_DATA="${DIR_UNIT_TEST_DATA}" LD_LIBRARY_PATH="${DEPENDS_DIR}/${HOST}/lib" CTEST_OUTPUT_ON_FAILURE=ON ctest --stop-on-failure "${MAKEJOBS}" --timeout $(( TEST_RUNNER_TIMEOUT_FACTOR * 60 ))
 fi
 
 if [ "$RUN_UNIT_TESTS_SEQUENTIAL" = "true" ]; then

cmake/bitcoin-build-config.h.in

@@ -71,9 +71,6 @@
    */
 #cmakedefine01 HAVE_DECL_SETSID
 
-/* Define this symbol if evhttp_connection_get_peer expects const char** */
-#cmakedefine HAVE_EVHTTP_CONNECTION_GET_PEER_CONST_CHAR 1
-
 /* Define to 1 if fdatasync is available. */
 #cmakedefine HAVE_FDATASYNC 1
 

cmake/module/FindLibevent.cmake

@@ -35,46 +35,52 @@ function(check_evhttp_connection_get_peer target)
     " HAVE_EVHTTP_CONNECTION_GET_PEER_CONST_CHAR
   )
   cmake_pop_check_state()
-  set(HAVE_EVHTTP_CONNECTION_GET_PEER_CONST_CHAR ${HAVE_EVHTTP_CONNECTION_GET_PEER_CONST_CHAR} PARENT_SCOPE)
+  target_compile_definitions(${target} INTERFACE
+    $<$<BOOL:${HAVE_EVHTTP_CONNECTION_GET_PEER_CONST_CHAR}>:HAVE_EVHTTP_CONNECTION_GET_PEER_CONST_CHAR>
+  )
 endfunction()
 
+set(_libevent_components core extra)
+if(NOT WIN32)
+  list(APPEND _libevent_components pthreads)
+endif()
+
+find_package(Libevent ${Libevent_FIND_VERSION} QUIET
+  NO_MODULE
+)
 
 include(FindPackageHandleStandardArgs)
-if(VCPKG_TARGET_TRIPLET)
-  find_package(Libevent ${Libevent_FIND_VERSION} NO_MODULE QUIET
-    COMPONENTS extra
+if(Libevent_FOUND)
+  find_package(Libevent ${Libevent_FIND_VERSION} QUIET
+    REQUIRED COMPONENTS ${_libevent_components}
+    NO_MODULE
   )
   find_package_handle_standard_args(Libevent
     REQUIRED_VARS Libevent_DIR
     VERSION_VAR Libevent_VERSION
   )
   check_evhttp_connection_get_peer(libevent::extra)
-  add_library(libevent::libevent ALIAS libevent::extra)
-  mark_as_advanced(Libevent_DIR)
-  mark_as_advanced(_event_h)
-  mark_as_advanced(_event_lib)
 else()
   find_package(PkgConfig REQUIRED)
-  pkg_check_modules(libevent QUIET
-    IMPORTED_TARGET
-    libevent>=${Libevent_FIND_VERSION}
-  )
-  set(_libevent_required_vars libevent_LIBRARY_DIRS libevent_FOUND)
-  if(NOT WIN32)
-    pkg_check_modules(libevent_pthreads QUIET
-      IMPORTED_TARGET
-      libevent_pthreads>=${Libevent_FIND_VERSION}
+  foreach(component IN LISTS _libevent_components)
+    pkg_check_modules(libevent_${component}
+      REQUIRED QUIET
+      IMPORTED_TARGET GLOBAL
+      libevent_${component}>=${Libevent_FIND_VERSION}
     )
-    list(APPEND _libevent_required_vars libevent_pthreads_FOUND)
-  endif()
+    if(TARGET PkgConfig::libevent_${component} AND NOT TARGET libevent::${component})
+      add_library(libevent::${component} ALIAS PkgConfig::libevent_${component})
+    endif()
+  endforeach()
   find_package_handle_standard_args(Libevent
-    REQUIRED_VARS ${_libevent_required_vars}
-    VERSION_VAR libevent_VERSION
+    REQUIRED_VARS libevent_core_LIBRARY_DIRS
+    VERSION_VAR libevent_core_VERSION
   )
-  unset(_libevent_required_vars)
-  check_evhttp_connection_get_peer(PkgConfig::libevent)
-  add_library(libevent::libevent ALIAS PkgConfig::libevent)
-  if(NOT WIN32)
-    add_library(libevent::pthreads ALIAS PkgConfig::libevent_pthreads)
-  endif()
+  check_evhttp_connection_get_peer(PkgConfig::libevent_extra)
 endif()
+
+unset(_libevent_components)
+
+mark_as_advanced(Libevent_DIR)
+mark_as_advanced(_event_h)
+mark_as_advanced(_event_lib)

cmake/module/FindUSDT.cmake

@@ -36,13 +36,16 @@ if(USDT_INCLUDE_DIR)
   include(CheckCXXSourceCompiles)
   set(CMAKE_REQUIRED_INCLUDES ${USDT_INCLUDE_DIR})
   check_cxx_source_compiles("
+    // Setting SDT_USE_VARIADIC lets systemtap (sys/sdt.h) know that we want to use
+    // the optional variadic macros to define tracepoints.
+    #define SDT_USE_VARIADIC 1
     #include <sys/sdt.h>
 
     int main()
     {
-      DTRACE_PROBE(context, event);
+      STAP_PROBEV(context, event);
       int a, b, c, d, e, f, g;
-      DTRACE_PROBE7(context, event, a, b, c, d, e, f, g);
+      STAP_PROBEV(context, event, a, b, c, d, e, f, g);
     }
     " HAVE_USDT_H
   )

contrib/guix/manifest.scm

@@ -10,7 +10,7 @@
              (gnu packages gawk)
              (gnu packages gcc)
              ((gnu packages installers) #:select (nsis-x86_64))
-             ((gnu packages linux) #:select (linux-libre-headers-6.1 util-linux))
+             ((gnu packages linux) #:select (linux-libre-headers-6.1))
              (gnu packages llvm)
              (gnu packages mingw)
              (gnu packages moreutils)
@@ -493,7 +493,6 @@ inspecting signatures in Mach-O binaries.")
         bash-minimal
         which
         coreutils-minimal
-        util-linux
         ;; File(system) inspection
         file
         grep

contrib/tracing/README.md

@@ -82,7 +82,7 @@ about the connection. Peers can be selected individually to view recent P2P
 messages.
 
 ```
-$ python3 contrib/tracing/p2p_monitor.py ./build/src/bitcoind
+$ python3 contrib/tracing/p2p_monitor.py $(pidof bitcoind)
 ```
 
 Lists selectable peers and traffic and connection information.
@@ -150,7 +150,7 @@ lost. BCC prints: `Possibly lost 2 samples` on lost messages.
 
 
 ```
-$ python3 contrib/tracing/log_raw_p2p_msgs.py ./build/src/bitcoind
+$ python3 contrib/tracing/log_raw_p2p_msgs.py $(pidof bitcoind)
 ```
 
 ```
@@ -241,7 +241,7 @@ A BCC Python script to log the UTXO cache flushes. Based on the
 `utxocache:flush` tracepoint.
 
 ```bash
-$ python3 contrib/tracing/log_utxocache_flush.py ./build/src/bitcoind
+$ python3 contrib/tracing/log_utxocache_flush.py $(pidof bitcoind)
 ```
 
 ```
@@ -300,7 +300,7 @@ comprising a timestamp along with all event data available via the event's
 tracepoint.
 
 ```console
-$ python3 contrib/tracing/mempool_monitor.py ./build/src/bitcoind
+$ python3 contrib/tracing/mempool_monitor.py $(pidof bitcoind)
 ```
 
 ```

contrib/tracing/log_raw_p2p_msgs.py

@@ -132,8 +132,9 @@ def print_message(event, inbound):
           )
 
 
-def main(bitcoind_path):
-    bitcoind_with_usdts = USDT(path=str(bitcoind_path))
+def main(pid):
+    print(f"Hooking into bitcoind with pid {pid}")
+    bitcoind_with_usdts = USDT(pid=int(pid))
 
     # attaching the trace functions defined in the BPF program to the tracepoints
     bitcoind_with_usdts.enable_probe(
@@ -176,8 +177,8 @@ def handle_outbound(_, data, size):
 
 
 if __name__ == "__main__":
-    if len(sys.argv) < 2:
-        print("USAGE:", sys.argv[0], "path/to/bitcoind")
+    if len(sys.argv) != 2:
+        print("USAGE:", sys.argv[0], "<pid of bitcoind>")
         exit()
-    path = sys.argv[1]
-    main(path)
+    pid = sys.argv[1]
+    main(pid)

contrib/tracing/log_utxocache_flush.py

@@ -70,8 +70,9 @@ def print_event(event):
     ))
 
 
-def main(bitcoind_path):
-    bitcoind_with_usdts = USDT(path=str(bitcoind_path))
+def main(pid):
+    print(f"Hooking into bitcoind with pid {pid}")
+    bitcoind_with_usdts = USDT(pid=int(pid))
 
     # attaching the trace functions defined in the BPF program
     # to the tracepoints
@@ -99,9 +100,9 @@ def handle_flush(_, data, size):
 
 
 if __name__ == "__main__":
-    if len(sys.argv) < 2:
-        print("USAGE: ", sys.argv[0], "path/to/bitcoind")
+    if len(sys.argv) != 2:
+        print("USAGE: ", sys.argv[0], "<pid of bitcoind>")
         exit(1)
 
-    path = sys.argv[1]
-    main(path)
+    pid = sys.argv[1]
+    main(pid)

contrib/tracing/mempool_monitor.py

@@ -114,8 +114,9 @@
 """
 
 
-def main(bitcoind_path):
-    bitcoind_with_usdts = USDT(path=str(bitcoind_path))
+def main(pid):
+    print(f"Hooking into bitcoind with pid {pid}")
+    bitcoind_with_usdts = USDT(pid=int(pid))
 
     # attaching the trace functions defined in the BPF program
     # to the tracepoints
@@ -365,8 +366,8 @@ def timestamp_age(timestamp):
 
 if __name__ == "__main__":
     if len(sys.argv) < 2:
-        print("USAGE: ", sys.argv[0], "path/to/bitcoind")
+        print("USAGE: ", sys.argv[0], "<pid of bitcoind>")
         exit(1)
 
-    path = sys.argv[1]
-    main(path)
+    pid = sys.argv[1]
+    main(pid)

contrib/tracing/p2p_monitor.py

@@ -14,8 +14,9 @@
 # outbound P2P messages. The eBPF program submits the P2P messages to
 # this script via a BPF ring buffer.
 
-import sys
 import curses
+import os
+import sys
 from curses import wrapper, panel
 from bcc import BPF, USDT
 
@@ -115,10 +116,10 @@ def add_message(self, message):
             self.total_outbound_msgs += 1
 
 
-def main(bitcoind_path):
+def main(pid):
     peers = dict()
-
-    bitcoind_with_usdts = USDT(path=str(bitcoind_path))
+    print(f"Hooking into bitcoind with pid {pid}")
+    bitcoind_with_usdts = USDT(pid=int(pid))
 
     # attaching the trace functions defined in the BPF program to the tracepoints
     bitcoind_with_usdts.enable_probe(
@@ -245,9 +246,14 @@ def render(screen, peers, cur_list_pos, scroll, ROWS_AVALIABLE_FOR_LIST, info_pa
                         (msg.msg_type, msg.size), curses.A_NORMAL)
 
 
+def running_as_root():
+    return os.getuid() == 0
+
 if __name__ == "__main__":
-    if len(sys.argv) < 2:
-        print("USAGE:", sys.argv[0], "path/to/bitcoind")
+    if len(sys.argv) != 2:
+        print("USAGE:", sys.argv[0], "<pid of bitcoind>")
         exit()
-    path = sys.argv[1]
-    main(path)
+    if not running_as_root():
+        print("You might not have the privileges required to hook into the tracepoints!")
+    pid = sys.argv[1]
+    main(pid)

depends/packages/libevent.mk

@@ -4,7 +4,6 @@ $(package)_download_path=https://github.com/libevent/libevent/releases/download/
 $(package)_file_name=$(package)-$($(package)_version).tar.gz
 $(package)_sha256_hash=92e6de1be9ec176428fd2367677e61ceffc2ee1cb119035037a27d346b0403bb
 $(package)_patches=cmake_fixups.patch
-$(package)_patches+=fix_mingw_link.patch
 $(package)_build_subdir=build
 
 # When building for Windows, we set _WIN32_WINNT to target the same Windows
@@ -23,8 +22,7 @@ define $(package)_set_vars
 endef
 
 define $(package)_preprocess_cmds
-  patch -p1 < $($(package)_patch_dir)/cmake_fixups.patch && \
-  patch -p1 < $($(package)_patch_dir)/fix_mingw_link.patch
+  patch -p1 < $($(package)_patch_dir)/cmake_fixups.patch
 endef
 
 define $(package)_config_cmds
@@ -40,7 +38,8 @@ define $(package)_stage_cmds
 endef
 
 define $(package)_postprocess_cmds
-  rm -rf bin && \
+  rm -rf bin lib/pkgconfig && \
   rm include/ev*.h && \
-  rm include/event2/*_compat.h
+  rm include/event2/*_compat.h && \
+  rm lib/libevent.a
 endef