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MarcoFalke 98958c81f5 Merge #16225 : tests: Make coins_tests/updatecoins_simulation_test deterministic `f8995807e4` tests: Make coins_tests/updatecoins_simulation_test deterministic (practicalswift) Pull request description: Make `coins_tests/updatecoins_simulation_test` deterministic. Before: ``` $ contrib/devtools/test_deterministic_coverage.sh 1000 [2019-06-15 05:36:20] Measuring coverage, run #1 of 1000 [2019-06-15 05:38:05] Measuring coverage, run #2 of 1000 [2019-06-15 05:39:49] Measuring coverage, run #3 of 1000 [2019-06-15 05:41:38] Measuring coverage, run #4 of 1000 [2019-06-15 05:43:16] Measuring coverage, run #5 of 1000 ... [2019-06-16 18:25:23] Measuring coverage, run #880 of 1000 [2019-06-16 18:27:12] Measuring coverage, run #881 of 1000 [2019-06-16 18:29:33] Measuring coverage, run #882 of 1000 [2019-06-16 18:33:00] Measuring coverage, run #883 of 1000 [2019-06-16 18:35:32] Measuring coverage, run #884 of 1000 The line coverage is non-deterministic between runs. Exiting. The test suite must be deterministic in the sense that the set of lines executed at least once must be identical between runs. This is a necessary condition for meaningful coverage measuring. --- gcovr.run-1.txt 2019-06-15 05:38:05.282359029 +0200 +++ gcovr.run-884.txt 2019-06-16 18:37:23.518298374 +0200 @@ -269,7 +269,7 @@ test/bloom_tests.cpp 320 320 100% test/bswap_tests.cpp 13 13 100% test/checkqueue_tests.cpp 223 222 99% 169 -test/coins_tests.cpp 478 472 98% 52,68,344-345,511,524 +test/coins_tests.cpp 478 474 99% 52,68,511,524 test/compilerbug_tests.cpp 18 18 100% test/compress_tests.cpp 27 27 100% test/crypto_tests.cpp 268 268 100% @@ -401,5 +401,5 @@ zmq/zmqpublishnotifier.h 5 0 0% 12,31,37,43,49 zmq/zmqrpc.cpp 23 3 13% 16,18,20,23,33-35,37,40-47,51,62,64-65 ------------------------------------------------------------------------------ -TOTAL 53323 28305 53% +TOTAL 53323 28307 53% ------------------------------------------------------------------------------ ``` After: ``` $ contrib/devtools/test_deterministic_coverage.sh 1000 [2019-06-15 05:36:20] Measuring coverage, run #1 of 1000 [2019-06-15 05:38:05] Measuring coverage, run #2 of 1000 [2019-06-15 05:39:49] Measuring coverage, run #3 of 1000 [2019-06-15 05:41:38] Measuring coverage, run #4 of 1000 [2019-06-15 05:43:16] Measuring coverage, run #5 of 1000 ... $ ``` ACKs for commit f89958: MarcoFalke: ACK `f8995807e4` (checked that the randomness state of g_insecure_rand_ctx is the same after three test runs) Tree-SHA512: 796d362b050c5750e351de1126b62f0f2c8e2d712cf01b6e1a3e2cc6ef92fa68439a32fc24c76d34bce4d553aee4ae4ea88a036c56eb9e25979649a19c59c3e5		2019-06-17 14:29:23 -04:00
.github	Get more info about GUI-related issue on Linux	2018-12-27 06:53:07 +02:00
.travis	Merge #16186 : doc/lint: Fix spelling errors identified by codespell 1.15.0	2019-06-16 09:57:09 +08:00
.tx	qt: Pre-0.18 split-off translations update	2019-02-04 15:24:37 +01:00
build_msvc	build: bump bitcoin_config.h packages to v0.18	2019-05-23 18:02:51 +02:00
build-aux/m4	[depends] boost: update to 1.70	2019-05-03 13:22:17 +01:00
contrib	Merge #16186 : doc/lint: Fix spelling errors identified by codespell 1.15.0	2019-06-16 09:57:09 +08:00
depends	Merge #15461 : [depends] update to Boost 1.70	2019-06-06 13:42:25 +02:00
doc	Merge #16196 : doc: Add release notes for 14897 & 15834	2019-06-16 12:44:57 -04:00
share	Merge #15548 : build: use full version string in setup.exe	2019-03-12 10:43:08 +01:00
src	tests: Make coins_tests/updatecoins_simulation_test deterministic	2019-06-17 19:13:30 +02:00
test	Merge #15982 : tests: Make msg_block a witness block	2019-06-17 11:18:10 -04:00
.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	travis: Use absolute paths for cache dirs	2019-06-14 10:47:48 -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	doc: Rework section on ACK	2019-06-13 10:08:25 -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
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 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.