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Merge #16421: Conservatively accept RBF bumps bumping one tx at the package limits 
5ce822efbe Conservatively accept RBF bumps bumping one tx at the package limits (Matt Corallo)

Pull request description:

  Based on #15681, this adds support for some simple cases of RBF inside of large packages. Issue pointed out by sdaftuar in #15681, and this fix (or a broader one) is required ot make #15681 fully useful.

  Accept RBF bumps of single transactions (ie which evict exactly one
  transaction) even when that transaction is a member of a package
  which is currently at the package limit iff the new transaction
  does not add any additional mempool dependencies from the original.

  This could be made a bit looser in the future and still be safe,
  but for now this fixes the case that a transaction which was
  accepted by the carve-out rule will not be directly RBF'able

ACKs for top commit:
  instagibbs:
    re-ACK 5ce822efbe
  ajtowns:
    ACK 5ce822efbe ; GetSizeWithDescendants is only change and makes sense
  sipa:
    Code review ACK 5ce822efbe. I haven't thought hard about the effect on potential DoS issues this policy change may have.

Tree-SHA512: 1cee3bc57393940a30206679eb60c3ec8cb4f4825d27d40d1f062c86bd22542dd5944fa5567601c74c8d9fd425333ed3e686195170925cfc68777e861844bd55
2019-09-07 10:15:43 +08:00
.github Get more info about GUI-related issue on Linux 2018-12-27 06:53:07 +02:00
.tx gui: Update transifex slug for 0.19 2019-09-02 13:40:01 +02:00
build-aux/m4 doc: fix typo in bitcoin_qt.m4 comment 2019-07-24 09:17:47 +08:00
build_msvc Added the bench_bitcoin project to the list automatically produced by the msvc-autogen python script. 2019-08-29 06:22:06 +02:00
ci lint: Bump flake8 to 3.7.8 2019-09-03 14:41:43 -04:00
contrib devtools: Accomodate block-style copyright blocks 2019-09-03 14:41:43 -04:00
depends Merge #16370: depends: cleanup package configure flags 2019-08-24 14:45:05 +12:00
doc doc: Add release note for the new gettransaction argument 2019-08-30 11:40:40 +02:00
share [qt] Change uninstall icon on Windows 2019-08-29 21:37:57 +02:00
src Merge #16421: Conservatively accept RBF bumps bumping one tx at the package limits 2019-09-07 10:15:43 +08:00
test Merge #16421: Conservatively accept RBF bumps bumping one tx at the package limits 2019-09-07 10:15:43 +08:00
.appveyor.yml Changes the verbosity of msbuild from quiet to normal in the appveyor script. Increasing the verbosity helps to identify the cause of build errors which is the main purpose of the appveyor script. 2019-07-31 10:00:02 +02:00
.cirrus.yml ci: Use ./ci/ on non-travis host 2019-08-15 11:13:09 -04:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore Merge #16371: build: ignore macOS make deploy artefacts & add them to clean-local 2019-08-21 08:02:20 +08:00
.python-version .python-version: Specify full version 3.5.6 2019-03-02 12:06:26 -05:00
.style.yapf test: .style.yapf: Set column_limit=160 2019-03-04 18:28:13 -05:00
.travis.yml ci: Move CCACHE_DIR and test_runner tmp dir into ./ci/scratch/ 2019-08-27 15:58:50 -04:00
autogen.sh Enable ShellCheck rules 2019-07-04 19:35:25 +03:00
configure.ac qt: Replace objc_msgSend with native syntax 2019-08-31 12:25:34 +03:00
CONTRIBUTING.md doc: Update labels in CONTRIBUTING.md 2019-08-26 11:48:58 +03:00
COPYING [Trivial] Update license year range to 2019 2018-12-31 04:27:59 +01:00
INSTALL.md Update INSTALL landing redirection notice for build instructions. 2016-10-06 12:27:23 +13:00
libbitcoinconsensus.pc.in Unify package name to as few places as possible without major changes 2015-12-14 02:11:10 +00:00
Makefile.am build: ignore macOS make deploy artefacts & add them to clean-local 2019-08-14 08:07:12 +08:00
README.md doc: Remove travis badge from readme 2019-06-19 11:39:27 -04:00
SECURITY.md doc: Remove explicit mention of version from SECURITY.md 2019-06-14 06:39:17 -04:00

README.md

Bitcoin Core integration/staging tree

https://bitcoincore.org

What is Bitcoin?

Bitcoin is an experimental digital currency that enables instant payments to anyone, anywhere in the world. Bitcoin uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. Bitcoin Core is the name of open source software which enables the use of this currency.

For more information, as well as an immediately useable, binary version of the Bitcoin Core software, see https://bitcoincore.org/en/download/, or read the original whitepaper.

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 and tested, but is not guaranteed to be completely stable. Tags are created regularly to indicate new official, stable release versions of Bitcoin Core.

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, that are run automatically on the build server. These tests can be run (if the test dependencies are installed) with: test/functional/test_runner.py

The Travis CI system makes 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.

Translators should also subscribe to the mailing list.