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Bitcoin Core mirror and no, I don't give a fuck about Monero.
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Andrew Chow 9c97ba5451
Merge bitcoin/bitcoin#25643: depends: compile FastFixedDtoa with -O1 to fix cross-arch reproducibility for arm32 
c32fa85909 depends: modify FastFixedDtoa optimisation flags (fanquake)

Pull request description:

  This fixes a non-determinism issue in the asm produced for
  this function when cross-compiling on x86_64 and aarch64 for
  the arm-linux-gnueabihf HOST.

  Related to #21194. Alternative to #25636. Initial discussion in https://github.com/bitcoin/bitcoin/pull/24615#issuecomment-1080809879.

  Guix Build (x86_64):
  ```bash
  28ae0ec2874ead334edd1c5dc509344379d82f7058b649c9076992defd7190d7  guix-build-c32fa85909dd/output/arm-linux-gnueabihf/SHA256SUMS.part
  48d34073b029c4f62c8e1bd906533610228d5ca0bb5eefea6010dfa7372ba067  guix-build-c32fa85909dd/output/arm-linux-gnueabihf/bitcoin-c32fa85909dd-arm-linux-gnueabihf-debug.tar.gz
  850d6e9859e88bcb93ed586bdb0c0bc95a44249d6a0ec1b1d13125cb9dd56413  guix-build-c32fa85909dd/output/arm-linux-gnueabihf/bitcoin-c32fa85909dd-arm-linux-gnueabihf.tar.gz
  b8bb092b1307684ea4b53d810ac110ec14f29eeab8028d924d1cac7418009b14  guix-build-c32fa85909dd/output/dist-archive/bitcoin-c32fa85909dd.tar.gz
  ```

  Guix Build (arm64):
  ```bash
  28ae0ec2874ead334edd1c5dc509344379d82f7058b649c9076992defd7190d7  guix-build-c32fa85909dd/output/arm-linux-gnueabihf/SHA256SUMS.part
  48d34073b029c4f62c8e1bd906533610228d5ca0bb5eefea6010dfa7372ba067  guix-build-c32fa85909dd/output/arm-linux-gnueabihf/bitcoin-c32fa85909dd-arm-linux-gnueabihf-debug.tar.gz
  850d6e9859e88bcb93ed586bdb0c0bc95a44249d6a0ec1b1d13125cb9dd56413  guix-build-c32fa85909dd/output/arm-linux-gnueabihf/bitcoin-c32fa85909dd-arm-linux-gnueabihf.tar.gz
  b8bb092b1307684ea4b53d810ac110ec14f29eeab8028d924d1cac7418009b14  guix-build-c32fa85909dd/output/dist-archive/bitcoin-c32fa85909dd.tar.gz
  ```

ACKs for top commit:
  achow101:
    ACK c32fa85909
  hebasto:
    ACK c32fa85909
  jarolrod:
    ACK c32fa85909

Tree-SHA512: 137d76274b1421247f43e5f040b4b5c42473f94d734498c73ab40e580c47dfecbbf11f1a69c15a87d805d4b8e9ef1fd62cc1b69c0f1614c62ff3cba98b1733e8
2022-07-19 15:38:18 -04:00
.github doc: Remove label from good first issue template 2020-08-24 09:31:24 +02:00
.tx qt: Update transifex resource blob to 23.0 2022-02-03 13:18:28 +01:00
build-aux/m4 build: Check for std::atomic::exchange rather than std::atomic_exchange 2022-07-18 10:47:19 -04:00
build_msvc build: Increase MS Visual Studio minimum version 2022-07-07 19:59:48 +01:00
ci Merge bitcoin/bitcoin#25487: [kernel 3b/n] Decouple {Dump,Load}Mempool from ArgsManager 2022-07-18 16:09:27 +01:00
contrib guix: Drop repetition of option's default value 2022-07-19 09:03:43 +01:00
depends depends: modify FastFixedDtoa optimisation flags 2022-07-19 12:12:26 +01:00
doc Release notes for Miniscript support in P2WSH descriptors 2022-07-15 14:20:26 +02:00
share doc: replace bitcoin.conf with placeholder file 2022-05-02 15:38:07 +02:00
src Merge bitcoin/bitcoin#25641: Fix -Wparentheses gcc warning 2022-07-19 13:29:05 +02:00
test Merge bitcoin/bitcoin#25629: univalue: Return more detailed type check error messages 2022-07-19 11:24:53 +01:00
.cirrus.yml Revert "ci: Increase CPU number for "Win64 native" task" 2022-06-27 14:01:08 +02:00
.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 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 bitcoin/bitcoin#25630: Add symlinks for hardcoded Makefiles in out of tree builds 2022-07-19 16:38:36 +01:00
CONTRIBUTING.md doc: Explain squashing with merge commits 2022-05-24 08:17:41 +02:00
COPYING doc: Update license year range to 2022 2022-01-03 04:48:41 +08:00
INSTALL.md doc: Added hyperlink for doc/build 2021-09-09 19:53:12 +05:30
libbitcoinconsensus.pc.in build: remove libcrypto as internal dependency in libbitcoinconsensus.pc 2019-11-19 15:03:44 +01:00
Makefile.am refactor: cleanups post unsubtree'ing univalue 2022-06-15 12:56:44 +01:00
README.md doc: Explain Bitcoin Core in README.md 2022-05-10 07:49:09 +02:00
REVIEWERS test: port 'lint-shell.sh' to python 2022-05-05 08:44:08 -05:00
SECURITY.md doc: Suggest keys.openpgp.org as keyserver in SECURITY.md 2021-11-08 12:22:04 +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.