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The blockchain that provides the digital content namespace for the LBRY protocol
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Wladimir J. van der Laan 376638afcf
Merge #14047: Add HKDF_HMAC256_L32 and method to negate a private key 
8794a4b3ae QA: add test for HKDF HMAC_SHA256 L32 (Jonas Schnelli)
551d489416 Add HKDF HMAC_SHA256 L=32 implementations (Jonas Schnelli)
3b64f852e4 QA: add test for CKey::Negate() (Jonas Schnelli)
463921bb64 CKey: add method to negate the key (Jonas Schnelli)

Pull request description:

  This adds a limited implementation of `HKDF` (defined by rfc5869) that supports only HMAC-SHA256  and length output of 32 bytes (will be required for v2 transport protocol).

  This PR also includes a method to negate a private key which is useful to enforce public keys starting with 0x02 (or 0x03) (a requirement for the v2 transport protocol). The new `CKey::Negate()` method is pretty much a wrapper around `secp256k1_ec_privkey_negate()`.

  Including tests.

  This is a subset of #14032 and a pre-requirement for the v2 transport protocol.

ACKs for commit 8794a4:

Tree-SHA512: 5341929dfa29f5da766ec3612784baec6a3ad69972f08b5a985a8aafdae4dae36f104a2b888d1f5d1f33561456bd111f960d7e32c2cc4fd18e48358468f26c1a
2019-05-16 19:24:52 +02:00
.github Get more info about GUI-related issue on Linux 2018-12-27 06:53:07 +02:00
.travis tests: Fail if RPC has been added without tests 2019-05-15 14:27:18 -04:00
.tx qt: Pre-0.18 split-off translations update 2019-02-04 15:24:37 +01:00
build-aux/m4 Bump minimum Qt version to 5.5.1 2019-02-14 11:12:30 +01:00
build_msvc Align MSVC build options with Linux build ones 2019-04-27 10:11:52 +03:00
contrib Merge #15239: scripts and tools: Move non-linux build source tarballs to "bitcoin-binaries/version" directory 2019-05-10 07:59:02 -04:00
depends Remove Windows 32 bit build 2019-05-03 13:41:27 -04:00
doc Merge #15990: Add tests and documentation for blocksonly 2019-05-16 19:05:24 +02:00
share Merge #15548: build: use full version string in setup.exe 2019-03-12 10:43:08 +01:00
src Merge #14047: Add HKDF_HMAC256_L32 and method to negate a private key 2019-05-16 19:24:52 +02:00
test Merge #15990: Add tests and documentation for blocksonly 2019-05-16 19:05:24 +02:00
.appveyor.yml appveyor: Write @PACKAGE_NAME@ to config 2019-04-26 13:07:11 -04:00
.cirrus.yml cirrus ci: Inital config 2019-02-03 10:24:39 -05:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore .gitignore: Don't ignore depends patches 2019-05-07 21:33:54 -04:00
.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 tests: Fail if RPC has been added without tests 2019-05-15 14:27:18 -04:00
autogen.sh Add "export LC_ALL=C" to all shell scripts 2018-06-14 15:27:52 +02:00
configure.ac build with -fstack-reuse=none 2019-05-15 15:41:28 -04:00
CONTRIBUTING.md docs: Clarify PR guidelines w/re documentation 2019-04-11 12:54:20 -04:00
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 Merge #12051: add missing debian contrib file to tarball 2019-04-29 08:48:39 -04:00
README.md docs: Update Transifex links 2019-03-02 17:42:33 +08:00

README.md

Bitcoin Core integration/staging tree

Build Status

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.