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bd71f03df75d2c17926b6d575ffa886daa334e3a doc: update example pulls in release-process.md (fanquake) b2ede22395ae8ce371433c9611929374dd98908a headerssync: update params for 26.x (fanquake) f12f92b813cd8c29904f36f8ed7ed74649886897 kernel: update m_assumed_* chain params for 26.x (fanquake) a8c2e5e556daf2a8c6b013110c802768b3f4b30e kernel: update chainTxData for 26.x (fanquake) a9d070a6f89d855aec5fbe6efe679feef86a21f3 kernel: update nMinimumChainWork & defaultAssumeValid for 26.x (fanquake) Pull request description: Update chainparams pre `26.x` branch off. Note: Remember that some variance is expected in the m_assumed_* sizes. Closes #28572. ACKs for top commit: Sjors: re-ACK bd71f03df75d2c17926b6d575ffa886daa334e3a ajtowns: reACK bd71f03df75d2c17926b6d575ffa886daa334e3a darosior: re-ACK bd71f03df75d2c17926b6d575ffa886daa334e3a for assumevalid and minchainwork params. Tree-SHA512: c586b82711477bfc1fd9ac4c9c1130ccde29f75d652492c66ef5730f4a49b7da822a3ad2d9090468ea0c9f0e77d00c25f6a800600c81878d8141ce2ffb3724af
Bitcoin Core integration/staging tree
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.