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glozow ff8c606cf1
Merge bitcoin/bitcoin#29974: fuzz: txorphan tests fixups 
58594c7040 fuzz: txorphan tests fixups (Sergi Delgado Segura)

Pull request description:

  Motivated by https://github.com/bitcoin/bitcoin/pull/28970#discussion_r1576401327

  Adds the following fixups in txorphan fuzz tests:

  - Don't bond the output count of the created orphans to the number of available coins
  - Allow duplicate inputs but don't store duplicate outpoints

  Most significantly, this gets rid of the `duplicate_input` flag altogether, making the test easier to reason about. Notice how, under normal conditions, duplicate inputs would be caught by `MemPoolAccept::PreChecks`, however, no validations checks are run on the test before adding data to the orphanage (neither were they before this patch)

  ## Rationale

  The way the test is currently written, duplicate inputs are allowed based on a random flag (`duplicate_input`). If the flag is unset, upon selecting an outpoint as input for a new transaction, the input is popped to prevent re-selection and later re-added to the collection (once all inputs have been picked). However, the re-addition to the collection is performed independently of whether the flag was set or not. This means that, if the flag is set, the selected inputs are duplicated which in turn makes these inputs more likely to be re-picked in the following iteration of the loop.

  Additionally, both the input and output count of the transaction are bonded to the number of available outpoints. This makes sense for the former, but the latter shouldn't be.

ACKs for top commit:
  maflcko:
    utACK 58594c7040
  glozow:
    ACK 58594c7
  instagibbs:
    ACK 58594c7040

Tree-SHA512: e97cc2a43e388f87b64d2e4e45f929dd5b0dd85d668dd693b75e4c9ceea734cd7645952385d428208d07b70e1aafbec84cc2ec264a2e07d36fc8ba3e97885a8d
2024-05-13 16:00:49 +01:00
.github ci, msvc: Add "Run fuzz binaries" step 2024-04-18 10:27:55 +01:00
.tx qt: Bump Transifex slug for 27.x 2024-02-07 09:24:32 +00:00
build-aux/m4 Add lint check for bitcoin-config.h include IWYU pragma 2024-05-01 08:33:43 +02:00
build_msvc Merge bitcoin/bitcoin#29494: build: Assume HAVE_CONFIG_H, Add IWYU pragma keep to bitcoin-config.h includes 2024-05-07 14:14:03 -04:00
ci ci: Exclude feature_init for now in valgrind task 2024-05-07 08:53:18 +02:00
contrib Merge bitcoin/bitcoin#29739: build: swap cctools otool for llvm-objdump 2024-05-11 18:34:42 +08:00
depends build: swap otool for (llvm-)objdump 2024-05-08 16:36:41 +08:00
doc Merge bitcoin/bitcoin#30025: doc: fix broken relative md links 2024-05-08 11:54:46 +08:00
share contrib: rpcauth.py - Add new option (-j/--json) to output text in json format 2024-04-25 08:32:28 -05:00
src Merge bitcoin/bitcoin#29974: fuzz: txorphan tests fixups 2024-05-13 16:00:49 +01:00
test Merge bitcoin/bitcoin#29948: test: add missing comparison of node1's mempool in MempoolPackagesTest 2024-05-10 12:44:42 -04:00
.cirrus.yml ci: Skip git install if it is already installed 2024-02-16 16:06:45 +01:00
.editorconfig ci: Drop AppVeyor CI integration 2021-09-07 06:12:53 +03:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore Merge bitcoin/bitcoin#29733: build, macos: Drop unused osx_volname target 2024-04-02 14:57:22 +01:00
.python-version Bump .python-version from 3.9.17 to 3.9.18 2023-10-24 18:51:24 +02:00
.style.yapf Update .style.yapf 2023-06-01 23:35:10 +05:30
autogen.sh build: make sure we can overwrite config.{guess,sub} 2023-06-13 14:58:43 +02:00
configure.ac build: swap otool for (llvm-)objdump 2024-05-08 16:36:41 +08:00
CONTRIBUTING.md Merge bitcoin/bitcoin#29645: doc: update release-process.md 2024-04-30 20:17:04 -04:00
COPYING doc: upgrade Bitcoin Core license to 2024 2024-01-10 16:29:01 -06:00
INSTALL.md doc: Added hyperlink for doc/build 2021-09-09 19:53:12 +05:30
Makefile.am Merge bitcoin/bitcoin#29739: build: swap cctools otool for llvm-objdump 2024-05-11 18:34:42 +08:00
README.md doc: Explain Bitcoin Core in README.md 2022-05-10 07:49:09 +02:00
SECURITY.md Update security.md contact for achow101 2023-12-14 18:14:54 -05:00

README.md

Bitcoin Core integration/staging tree

https://bitcoincore.org

For an immediately usable, binary version of the Bitcoin Core software, see https://bitcoincore.org/en/download/.

What is Bitcoin Core?

Bitcoin Core connects to the Bitcoin peer-to-peer network to download and fully validate blocks and transactions. It also includes a wallet and graphical user interface, which can be optionally built.

Further information about Bitcoin Core is available in the doc folder.

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.