68faa87881f5334b2528db4adc72ec19d94316a3 test: use f-strings in mining_*.py tests (fanquake) c2a5d560df2824df5731100c2584e8ad7a3d7bc2 test: use f-strings in interface_*.py tests (fanquake) 86d958262dff43002820d58ccb8958e2dbfb9d5b test: use f-strings in feature_proxy.py (fanquake) 31bdb33dcb8345df1bb94b28e811252a918d7dcb test: use f-strings in feature_segwit.py (fanquake) b166d54c3cbb0c028210cee977b3dcde5ac5474f test: use f-strings in feature_versionbits_warning.py (fanquake) cf6d66bf941d946600047d712c7cd15d7605322e test: use f-strings in feature_settings.py (fanquake) 6651d77f22862716f5bd7d0b31cfbd3937ab7b1d test: use f-strings in feature_pruning.py (fanquake) 961f5813ba65b6a601081912c4ece96c2679794d test: use f-strings in feature_notifications.py (fanquake) 1a546e6f6ca95772f0d7dbc2792477becbb8ea63 test: use f-strings in feature_minchainwork.py (fanquake) 6679eceacc915a8ea7cd7063f103ffc5eb9da884 test: use f-strings in feature_logging.py (fanquake) fb633933ab570e945d2a366f37eeff39f516c613 test: use f-strings in feature_loadblock.py (fanquake) e9ca8b254d4b9567831c0e113ce1c0a2b4795a95 test: use f-strings in feature_help.py (fanquake) ff7e3309995a8960ac371741b2b00c6da40f7490 test: use f-strings in feature_filelock.py (fanquake) d5a6adc5e478fa5c6e562377eea873dc38e66578 test: use f-strings in feature_fee_estimation.py (fanquake) a2de33cbdc79202bccddb4beadfde88266ac979f test: use f-strings in feature_dersig.py (fanquake) a2502cc63fd308be8af840962da9c53339433fa6 test: use f-strings in feature_dbcrash.py (fanquake) 3e2f84e7a96cb4b97b609ac853f78edd0ed43f82 test: use f-strings in feature_csv_activation.py (fanquake) e2f1fd8ee92fa421b6d293169044d6ddd5a9b8df test: use f-strings in feature_config_args.py (fanquake) 36d33d32b1b498b61f56d552f6e2c1d064f978c3 test: use f-strings in feature_cltv.py (fanquake) dca173cc044270b30782b1e3355e9dcb8c534295 test: use f-strings in feature_blocksdir.py (fanquake) 5453e8706278918ac51a725e81599cfa18c8cdbc test: use f-strings in feature_backwards_compatibility.py (fanquake) 6f3d5ad67ac8e7b50abae1a2949898d858e38106 test: use f-strings in feature_asmap.py (fanquake) Pull request description: Rather than using 3 different ways to build/format strings (sometimes all in the same test, i.e [`feature_config_args.py`](https://github.com/bitcoin/bitcoin/blob/master/test/functional/feature_config_args.py)), consolidate to using [f-strings (3.6+)](https://docs.python.org/3/reference/lexical_analysis.html#f-strings), which are generally more concise / readable, as well as more performant than existing methods. This deals with the `feature_*.py`, `interface_*.py` and `mining_*.py` tests. See also: [PEP 498](https://www.python.org/dev/peps/pep-0498/) ACKs for top commit: mjdietzx: reACK 68faa87881f5334b2528db4adc72ec19d94316a3 Zero-1729: crACK 68faa87881f5334b2528db4adc72ec19d94316a3 Tree-SHA512: d4e1a42e07d96d2c552387a46da1534223c4ce408703d7568ad2ef580797dd68d9695b8d19666b567af37f44de6e430e8be5db5d5404ba8fcecf9f5b026a6efb
Bitcoin Core integration/staging tree
For an immediately usable, binary version of the Bitcoin Core software, see https://bitcoincore.org/en/download/.
Further information about Bitcoin Core is available in the doc folder.
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 read the original Bitcoin 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.
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.