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Merge bitcoin/bitcoin#29215: test: assumeutxo: spend coin from snapshot chainstate after loading 
931575418e test: assumeutxo: spend coin from snapshot chainstate after loading (Sebastian Falbesoner)

Pull request description:

  This PR extends the AssumeUTXO functional test by submitting a spending transaction for an UTXO that is only available in a the snapshot chainstate (after loading via `loadtxoutset`), i.e. it hasn't been seen in a block before. With that we can verify that snapshot coins are visible to the mempool.

  Note that we unfortunately can't use MiniWallet here, as the only available UTXO to spend from the snapshot chainstate is at height 200, where a P2PKH created from the test framework's deterministic private key is used (see `TestNode.generate(...)` and the `PRIV_KEYS` array). Coinbase outputs with smaller heights (<= 199) would be part of the pre-generated chain and hence not qualify for the "UTXO is only in snapshot chainstate and has never been seen in a block" scenario, coinbase outputs with larger heights (>= 201) can't be spent due to immaturity, as the snapshot chainstate block height is 299.

  One could of course mine a different chain with outputs that MiniWallet supports (e.g. taproot anyone-can-spend), but this would change the hardcoded AssumeUTXO hash, colliding with other PRs like #28838, so I wanted to avoid that.

ACKs for top commit:
  maflcko:
    lgtm ACK 931575418e
  jamesob:
    ACK 931575418e

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.github ci: Switch native macOS CI job to Xcode 15.0 2024-01-08 10:30:28 +00:00
.tx qt: Bump Transifex slug for 26.x 2023-09-01 07:49:31 +01:00
build_msvc msvc: Fix test\config.ini content 2023-12-13 15:00:34 +00:00
build-aux/m4 build: Fix check whether -latomic needed 2024-01-04 11:47:47 +00:00
ci build: Drop ALLOW_HOST_PACKAGES support in depends 2024-01-08 15:56:25 +00:00
contrib Merge bitcoin/bitcoin#28962: doc: Rework guix docs after 1.4 release 2024-01-05 17:44:37 +00:00
depends build: Drop ALLOW_HOST_PACKAGES support in depends 2024-01-08 15:56:25 +00:00
doc Squashed 'src/secp256k1/' changes from 199d27cea3..efe85c70a2 2024-01-04 14:40:28 +00:00
share depends: Bump MacOS minimum runtime requirement to 11.0 2023-06-22 15:28:47 +00:00
src Merge bitcoin/bitcoin#29058: net, cli: use v2transport for manual/addrfetch connections, add to -netinfo 2024-01-09 12:46:52 -05:00
test test: assumeutxo: spend coin from snapshot chainstate after loading 2024-01-10 01:18:27 +01:00
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.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: Fix -Xclang -internal-isystem option 2024-01-07 11:32:51 +00:00
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INSTALL.md doc: Added hyperlink for doc/build 2021-09-09 19:53:12 +05:30
libbitcoinconsensus.pc.in build: remove libcrypto as internal dependency in libbitcoinconsensus.pc 2019-11-19 15:03:44 +01:00
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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.