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kernel: Introduce initial kernel C header API

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As a first step, implement the equivalent of what was implemented in the
now deprecated libbitcoinconsensus header. Also add a test binary to
exercise the header and library.

Unlike the deprecated libbitcoinconsensus the kernel library can now use
the hardware-accelerated sha256 implementations thanks for its
statically-initialzed context. The functions kept around for
backwards-compatibility in the libbitcoinconsensus header are not ported
over. As a new header, it should not be burdened by previous
implementations. Also add a new error code for handling invalid flag
combinations, which would otherwise cause a crash.

The macros used in the new C header were adapted from the libsecp256k1
header.

To make use of the C header from C++ code, a C++ header is also
introduced for wrapping the C header. This makes it safer and easier to
use from C++ code.

Co-authored-by: stickies-v <stickies-v@protonmail.com>
This commit is contained in:
TheCharlatan
2024-05-28 10:32:52 +02:00
parent 3bb30658e6
commit 2cf136dec4
14 changed files with 1415 additions and 9 deletions
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2
ci/test/00_setup_env_mac_cross.sh
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@@ -17,4 +17,4 @@ export XCODE_BUILD_ID=15A240d
export RUN_UNIT_TESTS=false
export RUN_FUNCTIONAL_TESTS=false
export GOAL="deploy"
export BITCOIN_CONFIG="-DBUILD_GUI=ON -DREDUCE_EXPORTS=ON"
export BITCOIN_CONFIG="-DBUILD_GUI=ON -DBUILD_KERNEL_LIB=ON -DREDUCE_EXPORTS=ON"

2
ci/test/00_setup_env_mac_native.sh
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@@ -12,7 +12,7 @@ export CONTAINER_NAME="ci_mac_native" # macos does not use a container, but the
export PIP_PACKAGES="--break-system-packages zmq"
export GOAL="install deploy"
export CMAKE_GENERATOR="Ninja"
export BITCOIN_CONFIG="-DBUILD_GUI=ON -DWITH_ZMQ=ON -DREDUCE_EXPORTS=ON -DCMAKE_EXE_LINKER_FLAGS='-Wl,-stack_size -Wl,0x80000'"
export BITCOIN_CONFIG="-DBUILD_GUI=ON -DWITH_ZMQ=ON -DBUILD_KERNEL_LIB=ON -DBUILD_UTIL_CHAINSTATE=ON -DBUILD_KERNEL_TEST=ON -DREDUCE_EXPORTS=ON -DCMAKE_EXE_LINKER_FLAGS='-Wl,-stack_size -Wl,0x80000'"
export CI_OS_NAME="macos"
export NO_DEPENDS=1
export OSX_SDK=""

2
ci/test/00_setup_env_native_nowallet_libbitcoinkernel.sh
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@@ -13,4 +13,4 @@ export PACKAGES="python3-zmq python3-pip clang-16 llvm-16 libc++abi-16-dev libc+
export PIP_PACKAGES="--break-system-packages pycapnp"
export DEP_OPTS="NO_WALLET=1 CC=clang-16 CXX='clang++-16 -stdlib=libc++'"
export GOAL="install"
export BITCOIN_CONFIG="-DREDUCE_EXPORTS=ON -DBUILD_UTIL_CHAINSTATE=ON -DBUILD_KERNEL_LIB=ON -DBUILD_SHARED_LIBS=ON"
export BITCOIN_CONFIG="-DREDUCE_EXPORTS=ON -DBUILD_UTIL_CHAINSTATE=ON -DBUILD_KERNEL_LIB=ON -DBUILD_KERNEL_TEST=ON -DBUILD_SHARED_LIBS=ON"

2
ci/test/00_setup_env_win64.sh
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@@ -13,5 +13,5 @@ export PACKAGES="g++-mingw-w64-x86-64-posix nsis"
export RUN_UNIT_TESTS=false
export RUN_FUNCTIONAL_TESTS=false
export GOAL="deploy"
export BITCOIN_CONFIG="-DREDUCE_EXPORTS=ON -DBUILD_GUI_TESTS=OFF \
export BITCOIN_CONFIG="-DREDUCE_EXPORTS=ON -DBUILD_GUI_TESTS=OFF -DBUILD_KERNEL_LIB=ON -DBUILD_KERNEL_TEST=ON \
-DCMAKE_CXX_FLAGS='-Wno-error=maybe-uninitialized'"