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Merge bitcoin/bitcoin#26691: Update secp256k1 subtree to libsecp256k1 version 0.2.0 
2022917223 Add secp256k1_selftest call (Pieter Wuille)
3bfca788b0 Remove explicit enabling of default modules (Pieter Wuille)
4462cb0498 Adapt to libsecp256k1 API changes (Pieter Wuille)
9d47e7b71b Squashed 'src/secp256k1/' changes from 44c2452fd3..21ffe4b22a (Pieter Wuille)

Pull request description:

  Now that libsecp256k1 has a release (https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2022-December/021271.html), update the subtree to match it.

  The changes themselves are not very impactful for Bitcoin Core, but include:
  * It's no longer needed to specify whether contexts are for signing or verification or both (all contexts support everything), so make use of that in this PR.
  * Verification operations can use the static context now, removing the need for some infrastructure in pubkey.cpp to make sure a context exists.
  * Most modules are now enabled by default, so we can drop explicit enabling for them.
  * CI improvements (in particular, MSVC and more recent MacOS)
  * Introduction of an internal int128 type, which has no effect for GCC/Clang builds, but enables 128-bit multiplication in MSVC, giving a ~20% speedup there (but still slower than GCC/Clang).
  * Release process changes (process documentation, changelog, ...).

ACKs for top commit:
  Sjors:
    ACK 2022917223, but 4462cb0498 could use more eyes on it.
  achow101:
    ACK 2022917223
  jonasnick:
    utACK 2022917223

Tree-SHA512: 8a9fe28852abe74abd6f96fef16a94d5a427b1d99bff4caab1699014d24698aab9b966a5364a46ed1001c07a7c1d825154ed4e6557c7decce952b77330a8616b
 		2023-01-13 09:40:57 +00:00
.github doc: remove usages of C++11 2023-01-12 13:42:44 +00:00
.tx Adjust `.tx/config` for new Transifex CLI 2022-10-15 19:11:39 +01:00
build-aux/m4 build: sync ax_boost_base from upstream 2022-09-04 10:10:16 +01:00
build_msvc Merge bitcoin/bitcoin#26691: Update secp256k1 subtree to libsecp256k1 version 0.2.0 2023-01-13 09:40:57 +00:00
ci ci: Stop and remove CI container 2023-01-11 10:49:39 +01:00
contrib Merge bitcoin/bitcoin#26598: contrib: remove builder keys 2023-01-05 09:18:16 +01:00
depends build: Update Boost to 1.81.0 in depends 2022-12-14 15:25:02 +00:00
doc Merge bitcoin/bitcoin#26867: doc: Mention restoring wallet via GUI 2023-01-13 09:42:08 +01:00
share build: add example bitcoin conf to win installer 2022-08-16 11:32:46 +01:00
src Merge bitcoin/bitcoin#26691: Update secp256k1 subtree to libsecp256k1 version 0.2.0 2023-01-13 09:40:57 +00:00
test Merge bitcoin/bitcoin#26854: test: Fix intermittent timeout in p2p_permissions.py 2023-01-12 12:51:34 +01:00
.cirrus.yml ci: Run one task with all tests on credits 2023-01-09 16:31:14 +01:00
.editorconfig ci: Drop AppVeyor CI integration 2021-09-07 06:12:53 +03:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore refactor: cleanups post unsubtree'ing univalue 2022-06-15 12:56:44 +01:00
.python-version .python-version: bump patch version to 3.6.15 2022-11-03 09:26:27 +01:00
.style.yapf test: .style.yapf: Set column_limit=160 2019-03-04 18:28:13 -05:00
CONTRIBUTING.md doc: Explain squashing with merge commits 2022-05-24 08:17:41 +02:00
COPYING doc: Update license year range to 2023 2022-12-24 11:40:16 +01:00
INSTALL.md doc: Added hyperlink for doc/build 2021-09-09 19:53:12 +05:30
Makefile.am build: package test_bitcoin in Windows installer 2022-08-09 09:13:23 +01:00
README.md doc: Explain Bitcoin Core in README.md 2022-05-10 07:49:09 +02:00
REVIEWERS doc: empty REVIEWERS file 2022-07-30 09:05:07 +01:00
SECURITY.md doc: Add my key to SECURITY.md 2022-08-23 16:57:46 -04:00
autogen.sh scripted-diff: Bump copyright of files changed in 2019 2019-12-30 10:42:20 +13:00
configure.ac Merge bitcoin/bitcoin#26691: Update secp256k1 subtree to libsecp256k1 version 0.2.0 2023-01-13 09:40:57 +00:00
libbitcoinconsensus.pc.in build: remove libcrypto as internal dependency in libbitcoinconsensus.pc 2019-11-19 15:03:44 +01:00

README.md

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.