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Bitcoin Core integration/staging tree
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fanquake 1be6f2dba9
Merge #20747: net processing: Remove dropmessagestest 
176325a5a4 [net processing] Remove dropmessagestest (John Newbery)

Pull request description:

  -dropmessagestest is a command line option that causes 1 in n received
  messages to be dropped. The Bitcoin P2P protocol is stateful and in
  general cannot handle messages being dropped. Dropped
  version/verack/ping/pong messages will cause the connection to time out
  and be torn down. Other dropped messages may also cause the peer to
  believe that the peer has stalled and tear down the connection.

  It seems difficult to uncover any actual issues with -dropmessagestest,
  and any coverage that could be generated would probably be easier to
  trigger with fuzz testing.

ACKs for top commit:
  MarcoFalke:
    cr ACK 176325a5a4
  practicalswift:
    cr ACK 176325a5a4
  dhruv:
    cr ACK 176325a
  amitiuttarwar:
    ACK 176325a5a4

Tree-SHA512: bd582e5e8c9eb272a5d8ec01ff07c36c0033fbb84c30d1c72c87a7a6c7290021dcaf7bf549179a8b95aeb4f7243158d5593bc7fcf1ec16213782e470fe36bb89
2020-12-24 09:55:27 +08:00
.github doc: Remove label from good first issue template 2020-08-24 09:31:24 +02:00
.tx tx: Update transifex slug for 0.21 2020-10-01 22:19:11 +02:00
build-aux/m4 build: Drop unneeded IOKit framework dependency 2020-11-25 18:25:52 +02:00
build_msvc Adjusted msvc compiler and linker settings to remove optimisations that are causing sporadic ABI issues on Visual Studio updates. 2020-12-02 11:39:01 +00:00
ci ci: Print COMMIT_RANGE to the log as it was in Travis CI 2020-12-21 12:13:43 +02:00
contrib script: Remove outdated extract-osx-sdk.sh 2020-12-21 15:03:08 +02:00
depends Merge #20644: Add patch to make codesign_allocate compatible with Apple's 2020-12-17 21:34:35 +01:00
doc Merge #20691: ci, doc: Travis CI features and mentions cleanup 2020-12-18 07:32:28 +01:00
share Merge #20419: build: set minimum supported macOS to 10.14 2020-11-23 14:24:58 +01:00
src [net processing] Remove dropmessagestest 2020-12-22 17:48:31 +00:00
test Merge #20748: test: Add race:SendZmqMessage tsan suppression 2020-12-23 12:32:33 +01:00
.appveyor.yml Removed redundant git pull from appveyor config. 2020-12-03 09:23:22 +00:00
.cirrus.yml ci: Install missing lint packages 2020-12-18 07:40:57 +01:00
.fuzzbuzz.yml build: Add option --enable-danger-fuzz-link-all 2020-12-14 16:55:56 +01:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore build: Run libdmg-hfsplus's DMG tool in make deploy 2020-12-11 11:43:11 -05:00
.python-version Bump minimum python version to 3.6 2020-11-09 17:53:47 +10:00
.style.yapf test: .style.yapf: Set column_limit=160 2019-03-04 18:28:13 -05:00
autogen.sh scripted-diff: Bump copyright of files changed in 2019 2019-12-30 10:42:20 +13:00
configure.ac Merge #20434: contrib: Parse ELF directly for symbol and security checks 2020-12-18 12:16:40 +01:00
CONTRIBUTING.md Replace hidden service with onion service 2020-08-07 14:55:02 +02:00
COPYING doc: Update license year range to 2020 2019-12-26 23:11:21 +01:00
INSTALL.md Update INSTALL landing redirection notice for build instructions. 2016-10-06 12:27:23 +13:00
libbitcoinconsensus.pc.in build: remove libcrypto as internal dependency in libbitcoinconsensus.pc 2019-11-19 15:03:44 +01:00
Makefile.am Merge #20434: contrib: Parse ELF directly for symbol and security checks 2020-12-18 12:16:40 +01:00
README.md doc: Drop mentions of Travis CI as it is no longer used 2020-12-18 01:15:53 +02:00
REVIEWERS doc: rename CODEOWNERS to REVIEWERS 2020-11-30 13:53:50 -05:00
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 usable, 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 (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, 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 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.

Translators should also subscribe to the mailing list.