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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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6
.github/workflows/ci.yml vendored
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@@ -202,7 +202,7 @@ jobs:
job-type: [standard, fuzz]
include:
- job-type: standard
generate-options: '-DBUILD_GUI=ON -DWITH_ZMQ=ON -DBUILD_BENCH=ON -DWERROR=ON'
generate-options: '-DBUILD_GUI=ON -DWITH_ZMQ=ON -DBUILD_BENCH=ON -DBUILD_KERNEL_LIB=ON -DWERROR=ON'
job-name: 'Windows native, VS 2022'
- job-type: fuzz
generate-options: '-DVCPKG_MANIFEST_NO_DEFAULT_FEATURES=ON -DVCPKG_MANIFEST_FEATURES="wallet" -DBUILD_GUI=OFF -DBUILD_FOR_FUZZING=ON -DWERROR=ON'
@@ -280,7 +280,7 @@ jobs:
$exeName = $_.Name
# Skip as they currently do not have manifests
if ($exeName -eq "fuzz.exe" -or $exeName -eq "bench_bitcoin.exe" -or $exeName -eq "test_bitcoin-qt.exe") {
if ($exeName -eq "fuzz.exe" -or $exeName -eq "bench_bitcoin.exe" -or $exeName -eq "test_bitcoin-qt.exe" -or $exeName -eq "test_kernel.exe") {
Write-Host "Skipping $exeName (no manifest present)"
return
}
@@ -399,7 +399,7 @@ jobs:
$exeName = $_.Name
# Skip as they currently do not have manifests
if ($exeName -eq "fuzz.exe" -or $exeName -eq "bench_bitcoin.exe") {
if ($exeName -eq "fuzz.exe" -or $exeName -eq "bench_bitcoin.exe" -or $exeName -eq "test_kernel.exe") {
Write-Host "Skipping $exeName (no manifest present)"
return
}