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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 5d37c1bde0
Merge #15976: refactor: move methods under CChainState (pt. 1) 
403e677c9 refactoring: IsInitialBlockDownload -> CChainState (James O'Beirne)
3ccbc376d refactoring: FlushStateToDisk -> CChainState (James O'Beirne)
4d6688603 refactoring: introduce ChainstateActive() (James O'Beirne)
d7c97edee move-only: make the CChainState interface public (James O'Beirne)

Pull request description:

  This is part of the [assumeutxo project](https://github.com/bitcoin/bitcoin/projects/11):

  Parent PR: #15606
  Issue: #15605
  Specification: https://github.com/jamesob/assumeutxo-docs/tree/2019-04-proposal/proposal

  ---

  This changeset starts moving functionality intimately related to CChainState into methods. Parameterizing these functions by a particular CChainState is necessary for the use of multiple chainstates simultaneously (e.g. for asynchronous background validation).

  In this change, we
  - make the CChainState interface public - since other units will start to invoke its methods directly,
  - introduce `::ChainstateActive()`, the CChainState equivalent for `::ChainActive()`,
  - and move `IsInitialBlockDownload()` and `FlushStateToDisk()` into methods on CChainState.

  Independent of assumeutxo, these changes better encapsulate chainstate behavior and allow easier use from a testing context.

  There are more methods that we'll move in the future, but they require other substantial changes (i.e. moving ownership of the `CCoinsView*` hierarchy into CChainState) so we'll save them for future PRs.

  ---

  The first move-only commit is most easily reviewed with `git diff ... --color-moved=dimmed_zebra`.

ACKs for commit 403e67:
  Empact:
    utACK 403e677c9e no need to address my nits herein
  Sjors:
    utACK 403e677
  ryanofsky:
    utACK 403e677c9e. Only change since previous review is removing global state comment as suggested.
  MarcoFalke:
    utACK 403e677c9e, though the diff still seems a bit bloated with some unnecessary changes in the second commit.
  promag:
    utACK 403e677 and rebased with current [master](c7cfd20a7).

Tree-SHA512: 6fcf260bb2dc201361170c0b4547405366f5f331fcc3a2bac29b24442814b7b244ca1b58aac5af716885f9a130c343b544590dff780da0bf835c7c5b3ccb2257
2019-06-05 11:56:23 +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 build: bump bitcoin_config.h packages to v0.18 2019-05-23 18:02:51 +02:00
contrib Merge #16086: contrib: use newer config.guess & config.sub in install_db4.sh 2019-05-29 14:21:21 +02:00
depends depends: add ability to skip building zeromq 2019-05-25 12:06:23 -04:00
doc Add riscv64 to outputs list in release-process.md 2019-06-03 17:51:08 +00:00
share Merge #15548: build: use full version string in setup.exe 2019-03-12 10:43:08 +01:00
src Merge #15976: refactor: move methods under CChainState (pt. 1) 2019-06-05 11:56:23 +02:00
test Limit Python linting to files in the repo 2019-05-30 22:36:54 +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 configure: Add flag for enabling thread_local. 2019-05-23 15:15:46 -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.