fanquake f138422d37
Merge bitcoin/bitcoin#28203: refactor: serialization simplifications
f054bd072afb72d8dae7adc521ce15c13b236700 refactor: use "if constexpr" in std::vector's Unserialize() (Martin Leitner-Ankerl)
088caa68fb8efd8624709d643913b8a7e1218f8a refactor: use "if constexpr" in std::vector's Serialize() (Martin Leitner-Ankerl)
0fafaca4d3bbf0c0b5bfe1ec617ab15252ea51e6 refactor: use "if constexpr" in prevector's Unserialize() (Martin Leitner-Ankerl)
c8839ec5cd81ba9ae88081747c49ecc758973dd1 refactor: use "if constexpr" in prevector's Serialize() (Martin Leitner-Ankerl)
1403d181c106bc271ad2522adebde07c7850069b refactor: use fold expressions instead of recursive calls in UnserializeMany() (Martin Leitner-Ankerl)
bd08a008b42dac921bd9c031637e378899c1cd1d refactor: use fold expressions instead of recursive calls in SerializeMany() (Martin Leitner-Ankerl)

Pull request description:

  This simplifies the serialization code a bit and should also make it a bit faster.

  * use fold expressions instead of recursive calls. This simplifies the code, makes it most likely faster because it reduces the number of function calls, and compiles faster because there are fewer template instantiations.

  * use `if constexpr` instead of unnecessarily creating a temporary object only to call the right overload. This is used for `std::vector` and `prevector` serialization.

ACKs for top commit:
  MarcoFalke:
    only change is to add a missing `&`. lgtm, re-ACK f054bd072afb72d8dae7adc521ce15c13b236700 📦
  jonatack:
    ACK f054bd072afb72d8dae7adc521ce15c13b236700
  sipa:
    utACK f054bd072afb72d8dae7adc521ce15c13b236700
  john-moffett:
    ACK f054bd072afb72d8dae7adc521ce15c13b236700

Tree-SHA512: 0417bf2d6be486c581732297945449211fc3481bac82964e27628b38ef55a47dfa58d730148aeaf1b19fa8eb1076489cc646ceebb178162a9afa59034601501d
2023-08-04 14:50:49 +02:00

Bitcoin Core integration/staging tree

https://bitcoincore.org

For an immediately usable, binary version of the Bitcoin Core software, see https://bitcoincore.org/en/download/.

What is Bitcoin Core?

Bitcoin Core connects to the Bitcoin peer-to-peer network to download and fully validate blocks and transactions. It also includes a wallet and graphical user interface, which can be optionally built.

Further information about Bitcoin Core is available in the doc folder.

License

Bitcoin Core is released under the terms of the MIT license. See COPYING for more information or see https://opensource.org/licenses/MIT.

Development Process

The master branch is regularly built (see doc/build-*.md for instructions) and tested, but it is not guaranteed to be completely stable. Tags are created regularly from release branches to indicate new official, stable release versions of Bitcoin Core.

The https://github.com/bitcoin-core/gui repository is used exclusively for the development of the GUI. Its master branch is identical in all monotree repositories. Release branches and tags do not exist, so please do not fork that repository unless it is for development reasons.

The contribution workflow is described in CONTRIBUTING.md and useful hints for developers can be found in doc/developer-notes.md.

Testing

Testing and code review is the bottleneck for development; we get more pull requests than we can review and test on short notice. Please be patient and help out by testing other people's pull requests, and remember this is a security-critical project where any mistake might cost people lots of money.

Automated Testing

Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run (assuming they weren't disabled in configure) with: make check. Further details on running and extending unit tests can be found in /src/test/README.md.

There are also regression and integration tests, written in Python. These tests can be run (if the test dependencies are installed) with: test/functional/test_runner.py

The CI (Continuous Integration) systems make sure that every pull request is built for Windows, Linux, and macOS, and that unit/sanity tests are run automatically.

Manual Quality Assurance (QA) Testing

Changes should be tested by somebody other than the developer who wrote the code. This is especially important for large or high-risk changes. It is useful to add a test plan to the pull request description if testing the changes is not straightforward.

Translations

Changes to translations as well as new translations can be submitted to Bitcoin Core's Transifex page.

Translations are periodically pulled from Transifex and merged into the git repository. See the translation process for details on how this works.

Important: We do not accept translation changes as GitHub pull requests because the next pull from Transifex would automatically overwrite them again.

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Bitcoin Core integration/staging tree
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