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Wladimir J. van der Laan 95bde34a71
Merge #20237: net: Hardcoded seeds update for 0.21 
6866259fab net: Hardcoded seeds update for 0.21 (Wladimir J. van der Laan)
36e875b4c5 contrib: Add new versions to makeseeds.py and update gitignore (RandyMcMillan)

Pull request description:

  Stats:

  ```
    IPv4   IPv6  Onion Pass
  426728  59523   7900 Initial
  426728  59523   7900 Skip entries with invalid address
  426728  59523   7900 After removing duplicates
  426727  59523   7900 Skip entries from suspicious hosts
  123226  51785   7787 Enforce minimal number of blocks
  121710  51322   7586 Require service bit 1
    4706   1427   3749 Require minimum uptime
    4124   1098   3681 Require a known and recent user agent
    4033   1075   3681 Filter out hosts with multiple bitcoin ports
     512    140    512 Look up ASNs and limit results per ASN and per net
  ```
  I've credited RandyMcMillan for the first commit because of #20190.

  There are at least enough onions this time! Number of IPv6 nodes that pass all the requirements seems similar to last time in #18506.

  For the next major release we'll want TORv3 hardcoded peers as well. This makes no sense now as there are hardly any. But it'd make sense to think about how to collect them because they cannot come from the DNS seeds.

  ### Reviewing
  ```
  2020-10-28 12:04:45     jnewbery  wumpus: Do you have any suggestions for how to review #20237 ?
  2020-10-28 12:28:37     wumpus  jnewbery: previous PRs like it might be a guide there (#18506, #16999), e.g. people could try to repeat the last step in https://github.com/bitcoin/bitcoin/tree/master/contrib/seeds#seeds and see if it ends up with the same .h file, you could also repeat the entire process but as the list of peers from the seeder will be different every time that will give a (slightly, hopefully)
  2020-10-28 12:28:37     wumpus  different output
  2020-10-28 12:49:40     wumpus  testing what part of the peers are connectable is also useful
  2020-10-28 12:51:05     wumpus  or to go deeper, whether most part of the nodes are 'good nodes' and not say spy nodes, but i don't know what means of testing
  ```

ACKs for top commit:
  jonatack:
    ACK 6866259fab

Tree-SHA512: 6b913ec92932de03304301a0cbf7b4a912ed09d890b019deeb449b8fa787c4994222368c6bf08b3c6e2bfa474442612e1c9de9327ec46ba59c37a5f38af50c75
2020-11-03 15:04:07 +01:00
.github doc: Remove label from good first issue template 2020-08-24 09:31:24 +02:00
.tx tx: Update transifex slug for 0.21 2020-10-01 22:19:11 +02:00
build-aux/m4 Squashed 'src/secp256k1/' changes from c6b6b8f1bb..3967d96bf1 2020-10-27 23:08:48 -07:00
build_msvc Merge #19953: Implement BIP 340-342 validation (Schnorr/taproot/tapscript) 2020-10-15 10:22:35 +02:00
ci Merge #19953: Implement BIP 340-342 validation (Schnorr/taproot/tapscript) 2020-10-15 10:22:35 +02:00
contrib net: Hardcoded seeds update for 0.21 2020-10-25 14:25:00 +01:00
depends Merge #20195: build: fix mutex detection when building bdb on macOS 2020-10-29 12:31:54 +01:00
doc doc: fix getchaintxstats fields in release-process.md 2020-11-01 22:19:24 +01:00
share doc: Use precise permission flags where possible 2020-07-10 15:37:42 +02:00
src Merge #20237: net: Hardcoded seeds update for 0.21 2020-11-03 15:04:07 +01:00
test Merge #18788: tests: Update more tests to work with descriptor wallets 2020-11-02 18:50:37 +01:00
.appveyor.yml Bump vcpkg commit ID to get new msys mirror list 2020-10-06 19:17:53 +01:00
.cirrus.yml cirrus: Use kvm to avoid spurious CI failures in the default virtualization cluster 2020-10-08 14:47:21 +02:00
.fuzzbuzz.yml ci: Add fuzzbuzz integration 2020-04-14 16:38:26 +00:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore .gitignore: ignore qa-assets/ folder 2020-09-08 02:47:53 -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 Squashed 'src/secp256k1/' changes from c6b6b8f1bb..3967d96bf1 2020-10-27 23:08:48 -07:00
autogen.sh scripted-diff: Bump copyright of files changed in 2019 2019-12-30 10:42:20 +13:00
CODEOWNERS doc: Add comments and additional reviewers to CODEOWNERS file 2020-09-01 11:23:58 -04:00
configure.ac Squashed 'src/secp256k1/' changes from c6b6b8f1bb..3967d96bf1 2020-10-27 23:08:48 -07:00
CONTRIBUTING.md Replace hidden service with onion service 2020-08-07 14:55:02 +02:00
COPYING doc: Update license year range to 2020 2019-12-26 23:11:21 +01:00
INSTALL.md Update INSTALL landing redirection notice for build instructions. 2016-10-06 12:27:23 +13:00
libbitcoinconsensus.pc.in build: remove libcrypto as internal dependency in libbitcoinconsensus.pc 2019-11-19 15:03:44 +01:00
Makefile.am build: use DIR_FUZZ_SEED_CORPUS if specified for cov_fuzz target 2020-09-08 02:45:42 -04:00
README.md Squashed 'src/secp256k1/' changes from c6b6b8f1bb..3967d96bf1 2020-10-27 23:08:48 -07:00
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 usable, 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 (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, 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.