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Bitcoin Core integration/staging tree
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Ava Chow 41544b8f96
Merge bitcoin/bitcoin#28984: Cluster size 2 package rbf 
94ed4fbf8e Add release note for size 2 package rbf (Greg Sanders)
afd52d8e63 doc: update package RBF comment (Greg Sanders)
6e3c4394cf mempool: Improve logging of replaced transactions (Greg Sanders)
d3466e4cc5 CheckPackageMempoolAcceptResult: Check package rbf invariants (Greg Sanders)
316d7b63c9 Fuzz: pass mempool to CheckPackageMempoolAcceptResult (Greg Sanders)
4d15bcf448 [test] package rbf (glozow)
dc21f61c72 [policy] package rbf (Suhas Daftuar)
5da3967815 PackageV3Checks: Relax assumptions (Greg Sanders)

Pull request description:

  Allows any 2 transaction package with no in-mempool ancestors to do package RBF when directly conflicting with other mempool clusters of size two or less.

  Proposed validation steps:
  1) If the transaction package is of size 1, legacy rbf rules apply.
  2) Otherwise the transaction package consists of a (parent, child) pair with no other in-mempool ancestors (or descendants, obviously), so it is also going to create a cluster of size 2. If larger, fail.
  3) The package rbf may not evict more than 100 transactions from the mempool(bip125 rule 5)
  4) The package is a single chunk
  5) Every directly conflicted mempool transaction is connected to at most 1 other in-mempool transaction (ie the cluster size of the conflict is at most 2).
  6) Diagram check: We ensure that the replacement is strictly superior, improving the mempool
  7) The total fee of the package, minus the total fee of what is being evicted, is at least the minrelayfee * size of the package (equivalent to bip125 rule 3 and 4)

  Post-cluster mempool this will likely be expanded to general package rbf, but this is what we can safely support today.

ACKs for top commit:
  achow101:
    ACK 94ed4fbf8e
  glozow:
    reACK 94ed4fbf8e via range-diff
  ismaelsadeeq:
    re-ACK 94ed4fbf8e
  theStack:
    Code-review ACK 94ed4fbf8e
  murchandamus:
    utACK 94ed4fbf8e

Tree-SHA512: 9bd383e695964f362f147482bbf73b1e77c4d792bda2e91d7f30d74b3540a09146a5528baf86854a113005581e8c75f04737302517b7d5124296bd7a151e3992
2024-06-17 17:22:43 -04:00
.github Merge bitcoin/bitcoin#30193: ci: move ASan job to GitHub Actions from Cirrus CI 2024-06-17 15:49:43 -04:00
.tx qt: Bump Transifex slug for 27.x 2024-02-07 09:24:32 +00:00
build_msvc Merge bitcoin/bitcoin#29494: build: Assume HAVE_CONFIG_H, Add IWYU pragma keep to bitcoin-config.h includes 2024-05-07 14:14:03 -04:00
build-aux/m4 build: no-longer allow GCC-10 in C++20 check 2024-06-05 10:47:52 +01:00
ci Merge bitcoin/bitcoin#30193: ci: move ASan job to GitHub Actions from Cirrus CI 2024-06-17 15:49:43 -04:00
contrib Merge bitcoin/bitcoin#29015: kernel: Streamline util library 2024-06-12 17:12:54 -04:00
depends refactor: rename (macho) ld64 to lld 2024-06-10 13:20:54 +01:00
doc Merge bitcoin/bitcoin#28984: Cluster size 2 package rbf 2024-06-17 17:22:43 -04:00
share contrib: rpcauth.py - Add new option (-j/--json) to output text in json format 2024-04-25 08:32:28 -05:00
src Merge bitcoin/bitcoin#28984: Cluster size 2 package rbf 2024-06-17 17:22:43 -04:00
test Merge bitcoin/bitcoin#28984: Cluster size 2 package rbf 2024-06-17 17:22:43 -04:00
.cirrus.yml ci: move Asan / LSan / USDT job to Github Actions 2024-06-12 14:20:25 +01:00
.editorconfig
.gitattributes
.gitignore Merge bitcoin/bitcoin#29733: build, macos: Drop unused osx_volname target 2024-04-02 14:57:22 +01:00
.python-version
.style.yapf
autogen.sh
configure.ac Squashed 'src/minisketch/' changes from 3472e2f5ec..eb37a9b8e7 2024-06-12 14:38:39 +01:00
CONTRIBUTING.md doc: Correct pull request prefix for scripts and tools 2024-05-22 09:59:58 +02:00
COPYING doc: upgrade Bitcoin Core license to 2024 2024-01-10 16:29:01 -06:00
INSTALL.md
Makefile.am Merge bitcoin/bitcoin#29739: build: swap cctools otool for llvm-objdump 2024-05-11 18:34:42 +08:00
README.md
SECURITY.md

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.