53ffd5a410 docs: Fix broken reference to CI setup in test/lint/README.md (naiyoma)
Pull request description:
The current [reference](https://github.com/bitcoin/bitcoin/blob/master/test/ci/lint/04_install.sh
) for CI setup in /test/lint#readme returns a 404.
ACKs for top commit:
fanquake:
ACK 53ffd5a410
Tree-SHA512: 813c19a145f09e7da11963598b70dc438acba784eb722e509d6af59dc3af8f5da97628c454bed2b03cc919689603e070796de2db8d784d9162ae34e7b85a77d9
e67ab174c9 test: fix flaky wallet_send functional test (Max Edwards)
3c49e69670 test: fix weight estimates in functional tests (Max Edwards)
Pull request description:
Fixes: https://github.com/bitcoin/bitcoin/issues/25164
The wallet_send functional test has been flaky due to a slightly overestimated weight calculation. This PR makes the weight calculation more accurate, although occasionally, due to how ECDSA signatures can be different lengths it might slightly over estimate. The assertion in the test can handle this slight variation and so should continue passing.
Update:
Because the signature can be shorter that is used in the weight estimation or the final transaction the estimate could be both slightly smaller or slightly larger.
ACKs for top commit:
achow101:
ACK e67ab174c9
S3RK:
Code review ACK e67ab174c9
Tree-SHA512: 3bf73b355309dce860fa1520afb8461e94268e4bcf0e92a8273c279b41b058c44472cf59daafa15a515529b50bd665b5d498bbe4d934f2315dbe810a05bc73f9
A test suite should not leave any artifacts except for those explicitly
expected.
This change is easy to review with `git diff --ignore-all-space`
command.
If `setOrganizationName()` and `setApplicationName()` has not been
previously called, the `QSettings` object will not be able to read or
write any settings.
6e5eda83ad doc: remove rel note fragments (fanquake)
Pull request description:
These have been added to https://github.com/bitcoin-core/bitcoin-devwiki/wiki/27.0-Release-Notes-Draft, where they can be improved further.
ACKs for top commit:
stickies-v:
ACK 6e5eda83ad
Tree-SHA512: 66874fe9a64ac3a99a15a602ac68ae0a9e08f52a0fe732e48136b245c2127ed04e8217f86c44459696b03b01532a926ab8d41101c6e670902c1fc31e583b4dc9
6962c66b4a build, msvc: Do not compile redundant sources (Hennadii Stepanov)
Pull request description:
The `test\util\setup_common.cpp` and `wallet\test\util.cpp` sources are already compiled and included in the `libtest_util` library, which is linked to the `test_bitcoin-qt.exe` binary. This PR follows the same logic as `Makefile.qttest.include`.
Useful for comparing project files across the master branch and the developing [cmake-staging](https://github.com/hebasto/bitcoin/tree/cmake-staging) branch.
ACKs for top commit:
sipsorcery:
utACK 6962c66b4a.
Tree-SHA512: 5c40f52f3c7df3fff994fb136d4b2779ade3857fa14cf167d3f8600f28e821294e3779ebd4f4ab10ad57bdc8e952f99f6eb211e746a986ec24e26c7d1a74c04f
b7aa717cdd refactor: gui, simplify boost signals disconnection (furszy)
f3a612f901 gui: guard accessing a nullptr 'clientModel' (furszy)
Pull request description:
Fixing #800.
During shutdown, already queue events dispatched from the backend such
'numConnectionsChanged' and 0networkActiveChanged' could try to access
the clientModel object, which might not exist because we manually delete
it inside 'BitcoinApplication::requestShutdown()'.
This happen because boost does not clears the queued events when they arise
concurrently with the signal disconnection (see https://www.boost.org/doc/libs/1_55_0/doc/html/signals2/thread-safety.html).
From the docs:
1) "Note that since we unlock the connection's mutex before executing its associated slot, it is possible a slot will still be executing after it has been disconnected by a [connection::disconnect](https://www.boost.org/doc/libs/1_55_0/doc/html/boost/signals2/connection.html#idp89761576-bb)(), if the disconnect was called concurrently with signal invocation."
2) "The fact that concurrent signal invocations use the same combiner object means you need to insure any custom combiner you write is thread-safe"
So, we need to guard `clientModel` before accessing it at the handler side.
ACKs for top commit:
hebasto:
re-ACK b7aa717cdd
Tree-SHA512: f1a21d69248628f6a13556a9438c9e4ea9f0a3678aab09ddfe836e78e4eee405a6730d37d39f1445068ada3a110b655b619cf0e090fc2d0cdf99bed061364aeb
The `test\util\setup_common.cpp` and `wallet\test\util.cpp` sources are
already compiled and included in the `libtest_util` library, which is
linked to the `test_bitcoin-qt.exe` binary. This change follows the same
logic as `Makefile.qttest.include`.
86b7f28d6c serialization: use internal endian conversion functions (Cory Fields)
432b18ca8d serialization: detect byteswap builtins without autoconf tests (Cory Fields)
297367b3bb crypto: replace CountBits with std::bit_width (Cory Fields)
52f9bba889 crypto: replace non-standard CLZ builtins with c++20's bit_width (Cory Fields)
Pull request description:
This replaces #28674, #29036, and #29057. Now ready for testing and review.
Replaces platform-specific endian and byteswap functions. This is especially useful for kernel, as it means that our deep serialization code no longer requires bitcoin-config.h.
I apologize for the size of the last commit, but it's hard to avoid making those changes at once.
All platforms now use our internal functions rather than libc or platform-specific ones, with the exception of MSVC.
Sadly, benchmarking showed that not all compilers are capable of detecting and optimizing byteswap functions, so compiler builtins are instead used where possible. However, they're now detected via macros rather than autoconf checks.
This[ matches how libc++ implements std::byteswap for c++23](https://github.com/llvm/llvm-project/blob/main/libcxx/include/__bit/byteswap.h#L26).
I suggest we move/rename `compat/endian.h`, but I left that out of this PR to avoid bikeshedding.
#29057 pointed out some irregularities in benchmarks. After messing with various compilers and configs for a few weeks with these changes, I'm of the opinion that we can't win on every platform every time, so we should take the code that makes sense going forward. That said, if any real-world slowdowns are caused here, we should obviously investigate.
ACKs for top commit:
maflcko:
ACK 86b7f28d6c📘
fanquake:
ACK 86b7f28d6c - we can finish pruning out the __builtin_clz* checks/usage once the minisketch code has been updated. This is more good cleanup pre-CMake & for the kernal.
Tree-SHA512: 715a32ec190c70505ffbce70bfe81fc7b6aa33e376b60292e801f60cf17025aabfcab4e8c53ebb2e28ffc5cf4c20b74fe3dd8548371ad772085c13aec8b7970e
efb70cd645 doc: correct function name in AssumeUTXO design docs (jrakibi)
Pull request description:
Corrected the function name from `CompleteSnapshotValidation()` to `MaybeCompleteSnapshotValidation()` in the assumeutxo design documentation.
This change ensures that the documentation accurately reflects the actual function name used in the code
ACKs for top commit:
Empact:
ACK efb70cd645
Tree-SHA512: 68b9be3ba710d91a2a955189e227f86b46ccb6a2a13c345d46f276cec6ff12b77ebf9814c4bcb00db7c17e221510e4a2e71175c78a6faf0e0e3159c761bc9b94
Rather than asserting that the exact fees are the same, check the fee rate rounded to nearest interger. This will account for small differences in fees caused by variability in ECDSA signature lengths.
Updates the weight estimate to be more accurate by removing byte buffers and calculating the length of the count of scriptWitnesses rather than just using the count itself.
