99993f066405863c66ccaec0a8427129f4515768 fuzz: Avoid excessively large min fee rate in tx_pool (MarcoFalke)
Pull request description:
Any fee rate above 1 BTC / kvB is clearly nonsense, so no need to fuzz this.
Hopefully fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34078
ACKs for top commit:
practicalswift:
cr ACK 99993f066405863c66ccaec0a8427129f4515768: patch looks correct despite no `fa` prefix in commit hash
Tree-SHA512: bd3651d354b13d889ad1708d2b385ad0479de036de74a237346eefad5dbfb1df76ec02b55ec00487ec598657ef6102f992302b14c4e47f913a9962f81f4157e6
fa95555a491dc01952703f476836e607ac34eab4 fuzz: Limit max insertions in timedata fuzz test (MarcoFalke)
Pull request description:
It is debatable whether a size of the median filter other than `200` (the only size used in production) should be fuzzed. For now add a minimal patch to cap the max insertions. Otherwise the complexity is N^2 log(N), where N is the size of the fuzz input.
Hopefully fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34167
ACKs for top commit:
practicalswift:
cr ACK fa95555a491dc01952703f476836e607ac34eab4: patch looks correct
Tree-SHA512: be7737e9f4c906053e355641de84dde31fed37ed6be4c5e92e602ca7675dffdaf06b7063b9235ef541b05d3d5fd689c99479317473bb15cb5271b8baabffd0f2
36fb036d25e2a3016b36873456e5a9e6251ffef8 p2p: allow NetPermissions::ClearFlag() only with PF_ISIMPLICIT (Jon Atack)
4e0d5788ba5771c81bc0ff2e6523cf9accddae46 test: add net permissions noban/download unit test coverage (Jon Atack)
dde69f20a01acca64ac21cb13993c6e4f8709f23 p2p, bugfix: use NetPermissions::HasFlag() in CConnman::Bind() (Jon Atack)
Pull request description:
This is a bugfix follow-up to #16248 and #19191 that was noticed in #21506. Both v0.21 and master are affected.
Since #19191, noban is a multi-flag that implies download, so the conditional in `CConnman::Bind()` using a bitwise AND on noban will return the same result for both the noban status and the download status. This means that download peers are incorrectly not being added to local addresses because they are mistakenly seen as noban peers.
The second commit adds unit test coverage to illustrate and test the noban/download relationship and the `NetPermissions` operations involving them.
The final commit adds documentation and disallows calling `NetPermissions::ClearFlag()` with any second param other than `NetPermissionFlags` "implicit" -- per current usage in the codebase -- because `ClearFlag()` should not be called with any second param that is a subflag of a multiflag, e.g. "relay" or "download," as that would leave the result in an invalid state corresponding to none of the existing NetPermissionFlags. Thanks to Vasil Dimov for noticing this.
ACKs for top commit:
theStack:
re-ACK 36fb036d25e2a3016b36873456e5a9e6251ffef8 ☕
vasild:
ACK 36fb036d25e2a3016b36873456e5a9e6251ffef8
hebasto:
ACK 36fb036d25e2a3016b36873456e5a9e6251ffef8, I have reviewed the code and it looks OK, I agree it can be merged.
kallewoof:
Code review ACK 36fb036d25e2a3016b36873456e5a9e6251ffef8
Tree-SHA512: 5fbc7ddbf31d06b35bf238f4d77ef311e6b6ef2e1bb9893f32f889c1a0f65774a3710dcb21d94317fe6166df9334a9f2d42630809e7fe8cbd797dd6f6fc49491
fa4bbd306e1ca369d02eb864983fbb4d64b50ca9 refactor: Remove useless extern keyword (MarcoFalke)
Pull request description:
It is redundant, confusing and useless.
https://en.cppreference.com/w/cpp/language/storage_duration#external_linkage
ACKs for top commit:
practicalswift:
cr ACK fa4bbd306e1ca369d02eb864983fbb4d64b50ca9: patch looks correct
Talkless:
utACK fa4bbd306e1ca369d02eb864983fbb4d64b50ca9, built successfully on Debian Sid, looks OK.
jonatack:
Light code review ACK fa4bbd306e1ca369d02eb864983fbb4d64b50ca9
hebasto:
ACK fa4bbd306e1ca369d02eb864983fbb4d64b50ca9, I've verified that all of the remained `extern` keywords specify either (a) a variable with external linkage, or (b) a symbol with "C" language linkage.
promag:
Code review ACK fa4bbd306e1ca369d02eb864983fbb4d64b50ca9.
Tree-SHA512: 1d77d661132defa52ccb2046f7a287deb3669b68835e40ab75a0d9d08fe6efeaf3bea7c0e76c754fd18bfe45972c253a39462014080d014cc5d810498784e3e4
facfc0f65dd0a7d54c0f6d56bff793e57b12ee12 fuzz: Remove strprintf test cases that are known to fail (MarcoFalke)
Pull request description:
They are still waiting to be fixed (see https://github.com/c42f/tinyformat/issues/70 ), so no need for us to carry them around in our source code. They can be added back once upstream is fixed.
Hopefully fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34082
ACKs for top commit:
laanwj:
Code review ACK facfc0f65dd0a7d54c0f6d56bff793e57b12ee12
Tree-SHA512: d9d3d35555b6d58740a041ae45797ca85149f60990e2ed632c5dadf363e1d2362d2447681d7ceaa1fbffcd6e7bc8da5bc15d3923b68829a86c25b364a599afc8
847288df07b45ca535c849e518b22818ab492896 test: fee rate values that cannot be represented as sat/vB (Jon Atack)
06a90fa0381c790f7bde2ab9bf47d2b22acef4a5 rpc: for sat/vB fee rates, limit ParseFixedPoint decimals to 3 (Jon Atack)
0742c7840f03505597fd2de87db97f12597ef667 rpc: enable passing decimals to AmountFromValue, add doxygen (Jon Atack)
8ce3ef57a3e9ad13c0aaa4648e8584241d53592d test: ParseFixedPoint with 3 decimals for sat/vB fee rates (Jon Atack)
b5033275979a2a495b02b25f70cadbdcc8b6eb6a test: type error and out of range fee rates where missing (Jon Atack)
c5fd4344f7fcc257062a610c8ff26ffcc9b53953 test: explicit fee rates with invalid amounts (Jon Atack)
ea6f76b66ecc52360719053489e0ec9f9a673eab test: improve zero-value explicit fee rate coverage (Jon Atack)
Pull request description:
- Improve/close gaps in existing test coverage before making the change
- Enable passing `decimals` to `ParseFixedPoint()` when calling `AmountFromValue()`
- Limit explicit fee rates in sat/vB passed in by users to 3 decimals, and raise otherwise
- Add regression test coverage
Closes#20534.
ACKs for top commit:
MarcoFalke:
review ACK 847288df07b45ca535c849e518b22818ab492896 🔷
Tree-SHA512: c539d07ae9b21c0d6c8ea460beb9c8dad5559445518aace560abc3c05c588907bae189b6fd7602b3b397de4a42356136c3ec6f960d3dcf2d5d16377aef4ab5a2
fa2204f6adef493079d1ca5148b0fdc2b55816e6 streams: Accept URef obj for VectorReader unserialize (MarcoFalke)
Pull request description:
Missed in commit 172f5fa738d419efda99542e2ad2a0f4db5be580. An URef may collapse into an LRef or RRef depending on context. There is no reason to forbid RRef in `VectorReader::operator>>`, so add it for consistency.
ACKs for top commit:
ryanofsky:
Code review ACK fa2204f6adef493079d1ca5148b0fdc2b55816e6, just expanded test since last review
Tree-SHA512: 09ff4e8a918e15b08cebd8c125d37e78bfb3a635c38546fc8454a97a882b2c81c55ef552243617e78744799d31127e6fbf78c4e319c030480b370aab6f38b645
fa03d0acd6bd8bb6d3d5227512f042ff537ad993 fuzz: Create a block template in tx_pool targets (MarcoFalke)
fa61ce5cf5c1d73d352173806571bcd7799ed2ee fuzz: Limit mocktime to MTP in tx_pool targets (MarcoFalke)
fab646b8ea293bb2b03707c6ef6790982625e492 fuzz: Use correct variant of ConsumeRandomLengthString instead of hardcoding a maximum size (MarcoFalke)
fae2c8bc54e6c0fe69a82bd1b232c52edd1acd34 fuzz: Allow to pass min/max to ConsumeTime (MarcoFalke)
Pull request description:
Relatively simple check to ensure a block can always be created from the mempool
ACKs for top commit:
practicalswift:
Tested ACK fa03d0acd6bd8bb6d3d5227512f042ff537ad993
Tree-SHA512: e613376ccc88591cbe594db14ea21ebc9b2b191f6325b3aa4ee0cd379695352ad3b480e286134ef6ee30f043d486cf9792a1bc7e44445c41045ac8c3b931c7ff
91d93aac4e3fe6fff5ef492ed152c4d8fa6f2672 validation: remove nchaintx from assumeutxo metadata (James O'Beirne)
931684b24a89aba884cb18c13fa67ccca339ee8c validation: fix ActivateSnapshot to use hardcoded nChainTx (James O'Beirne)
Pull request description:
This fixes an oversight from the move of nChainTx from the user-supplied
snapshot metadata into the hardcoded assumeutxo chainparams.
Since the nChainTx is now unused in the metadata, it should be removed
in a future commit.
See: https://github.com/bitcoin/bitcoin/pull/19806#discussion_r612165410
ACKs for top commit:
Sjors:
utACK 91d93aac4e3fe6fff5ef492ed152c4d8fa6f2672
ryanofsky:
Code review ACK 91d93aac4e3fe6fff5ef492ed152c4d8fa6f2672. No change to previous commit, just new commit removing now unused utxo snapshot field and updating tests.
Tree-SHA512: 445bdd738faf007451f40bbcf360dd1fb4675e17a4c96546e6818c12e33dd336dadd95cf8d4b5f8df1d6ccfbc4bf5496864bb5528e416cea894857b6b732140c
fac30eec42c486ec1bfd696293040a7aa0f04625 refactor: Replace &foo[0] with foo.data() (MarcoFalke)
faece47c4706783e0460ed977390a44630b2d44c refactor: Avoid &foo[0] on C-Style arrays (MarcoFalke)
face9611093377e8502d91f2ff56f9319a56357c refactor: Use only one temporary buffer in CreateObfuscateKey (MarcoFalke)
fa05dddc42770809fdae4d9c35155f8117960019 refactor: Use CPubKey vector constructor where possible (MarcoFalke)
fabb6dfe6e734eadd91448122f2ce8c1612c39a6 script: Replace address-of idiom with vector data() method (Guido Vranken)
Pull request description:
The main theme of this refactor is to replace `&foo[0]` with `foo.data()`.
The first commit is taken from #21781 with the rationale:
* In CSignatureCache::ComputeEntryECDSA, change the way a vector pointer is resolved to prevent invoking undefined behavior if the vector is empty.
The other commits aim to remove all `&foo[0]`, where `foo` is any kind of byte representation. The rationale:
* Sometimes alternative code without any raw data pointers is easier to read (refer to the respective commit message for details)
* If the raw data pointer is needed, `foo.data()` should be preferred, as pointed out in the developer notes. This addresses the instances that have been missed in commit 592404f03f2b734351d734f0c9ca1fdce997321b, and https://github.com/bitcoin/bitcoin/pull/9804
ACKs for top commit:
laanwj:
Code review ACK fac30eec42c486ec1bfd696293040a7aa0f04625
practicalswift:
cr ACK fac30eec42c486ec1bfd696293040a7aa0f04625: patch looks correct
promag:
Code review ACK fac30eec42c486ec1bfd696293040a7aa0f04625.
Tree-SHA512: e7e73146edbc78911a8e8c728b0a1c6b0ed9a88a008e650aa5dbffe72425bd42c76df70199a9cf7e02637448d7593e0eac52fd0f91f59240283e1390ee21bfa5
5252f86eb616a1112e427c268c8e8825f2a63d67 fuzz: Reduce maintenance requirements by allowing RPC annotations also for conditionally available RPC commands (such as wallet commands) without the fragility of #ifdef forests (practicalswift)
54549dda310e2becee9cb4997d1408a90e91934f fuzz: RPC fuzzer post-merge follow-ups. Remove unused includes. Update list of fuzzed RPC commands. (practicalswift)
Pull request description:
Various RPC fuzzer follow-ups:
* Remove unused includes.
* Update list of fuzzed RPC commands.
* Reduce maintenance requirements by allowing RPC annotations also for conditionally available RPC commands (such as wallet commands) without the fragility of `#ifdef` forests.
Context: https://github.com/bitcoin/bitcoin/pull/21169#pullrequestreview-646723483
ACKs for top commit:
MarcoFalke:
Concept ACK 5252f86eb616a1112e427c268c8e8825f2a63d67
Tree-SHA512: 286d70798131706ffb157758e1c73f7f00ed96ce120c7d9dc849e672b283f1362df47b206cfec9da44d5debb5869225e721761dcd5c38a7d5d1019dc6c912ab2
It does not matter if the tests fail due to a BOOST_CHECK failure or
due to a thrown exception. Prefer the exception because it is less
code.
Example fail with the throwing accessor:
unknown location(0): fatal error: in "script_standard_tests/script_standard_ExtractDestinations": std::bad_variant_access: std::get: wrong index for variant
test/script_standard_tests.cpp(314): last checkpoint
*** 1 failure is detected in the test module "Bitcoin Core Test Suite"
ebd4be43cc945e643f91d3a91007b5a35bbbd5a1 doc: add release notes for 20867 (Antoine Poinsot)
5aa50ab9cc7994b16cf13e4c73af80f0098f1bea rpc/util: multisig: only check redeemScript size is <= 520 for P2SH (Antoine Poinsot)
063df9e89730fd2c92646577e2fab894e1692130 test/functional: standardness sanity checks for P2(W)SH multisig (Antoine Poinsot)
ae0429d3af6de48f6191f144dff4ad4ab672dcd6 script: allow up to 20 keys in wsh() descriptors (Antoine Poinsot)
9fc68faf35c700ae955af194dd7f8c1aee85a05b script: match multisigs with up to MAX_PUBKEYS_PER_MULTISIG keys (Antoine Poinsot)
Pull request description:
As described in https://github.com/bitcoin/bitcoin/issues/20620 multisigs are currently limited to 16 keys in descriptors and RPC helpers, even for P2WSH and P2SH-P2WSH.
This adds support for multisig with up to 20 keys (which are already standard) for Segwit v0 context for descriptors (`wsh()`, `sh(wsh())`) and RPC helpers.
Fixes https://github.com/bitcoin/bitcoin/issues/20620
ACKs for top commit:
meshcollider:
re-utACK ebd4be43cc945e643f91d3a91007b5a35bbbd5a1
instagibbs:
re-ACK ebd4be43cc
Tree-SHA512: 36141f10a8288010d17d5c4fe8d24878bcd4533b88a8aba3a44fa8f74ceb3182d70fee01427e0ab7f53ce7fab46c88c1cd3ac3b18ab8a10bd4a6b8b74ed79e46
5f96d7d22d8e05876c6fc014e70488699950fe38 rpc: gettxoutsetinfo rejects hash_serialized_2 for specific height (Fabian Jahr)
23fe50436be641d7417152adc683192649ba206a test: Add test for coinstatsindex behavior in reorgs (Fabian Jahr)
90c966b0f3cfbd6bce5883f46d8527c6853a86a2 rpc: Allow gettxoutsetinfo and getblockstats for stale blocks (Fabian Jahr)
b9362392aef2689bc106c20925859ede555d082b index, rpc: Add use_index option for gettxoutsetinfo (Fabian Jahr)
bb7788b121a30489bc81a1f46dde6a9b19ae4ec1 test: Test coinstatsindex robustness across restarts (Fabian Jahr)
e0938c29099635150014ffc9bb0cafa8049ec55a test: Add tests for block_info in gettxoutsetinfo (Fabian Jahr)
2501576eccb08af80471c7b7b843b189ad6758c0 rpc, index: Add verbose amounts tracking to Coinstats index (Fabian Jahr)
655d929836a71af23d2035d2e2e99ad8b8c340c3 test: add coinstatsindex getindexinfo coverage, improve current tests (Jon Atack)
ca01bb8d689f93e1c7669b0ba7a4994c0206dabd rpc: Add Coinstats index to getindexinfo (Fabian Jahr)
57a026c30fef3138bb8db46e6865acb9dc2674f8 test: Add unit test for Coinstats index (Fabian Jahr)
6a4c0c09ab4d073a26c3c4a02783d5dcd88f6eef test: Add functional test for Coinstats index (Fabian Jahr)
3f166ecc125fce6ccd995687fa16572090a5d099 rpc: gettxoutsetinfo can be requested for specific blockheights (Fabian Jahr)
3c914d58ff323255b32e717d0ce28209ec0abdaa index: Coinstats index can be activated with command line flag (Fabian Jahr)
dd58a4de21469d6d848ae309edc47f558628221d index: Add Coinstats index (Fabian Jahr)
a8a46c4b3cfda4b95c92a36f8cebd3606377e57d refactor: Simplify ApplyStats and ApplyHash (Fabian Jahr)
9c8a265fd21a87228c18a1661df99fedc1866baf refactor: Pass hash_type to CoinsStats in stats object (Fabian Jahr)
2e2648a9021dfbb6e17dfa81472f057dacbc34e0 crypto: Make MuHash Remove method efficient (Fabian Jahr)
Pull request description:
This is part of the coinstats index project tracked in #18000
While the review of the new UTXO set hash algorithm (MuHash) takes longer recently #19328 was merged which added the possibility to run `gettxoutsetinfo` with a specific hash type. As the first type it added `hash_type=none` which skips the hashing of the UTXO set altogether. This alone did not make `gettxoutsetinfo` much faster but it allows the use of an index for the remaining coin statistics even before a new hashing algorithm has been added. Credit to Sjors for the idea to take this intermediate step.
Features summary:
- Users can start their node with the option `-coinstatsindex` which syncs the index in the background
- After the index is synced the user can use `gettxoutsetinfo` with `hash_type=none` or `hash_type=muhash` and will get the response instantly out of the index
- The user can specify a height or block hash when calling `gettxoutsetinfo` to see coin statistics at a specific block height
ACKs for top commit:
Sjors:
re-tACK 5f96d7d22d8e05876c6fc014e70488699950fe38
jonatack:
Code review re-ACK 5f96d7d22d8e05876c6fc014e70488699950fe38 per `git range-diff 13d27b4 07201d3 5f96d7d`
promag:
Tested ACK 5f96d7d22d8e05876c6fc014e70488699950fe38. Light code review ACK 5f96d7d22d8e05876c6fc014e70488699950fe38.
Tree-SHA512: cbca78bee8e9605c19da4fbcd184625fb280200718396c694a56c7daab6f44ad23ca9fb5456d09f245d8b8d9659fdc2b3f3ce5e953c1c6cf4003dbc74c0463c2
83a425d25af033086744c1c8c892015014ed46bd compressor: use a prevector in compressed script serialization (William Casarin)
Pull request description:
This function was doing millions of unnecessary heap allocations during IBD.
I'm start to catalog unnecessary heap allocations as a pet project of mine: as-zero-as-possible-alloc IBD. This is one small step.
before:

after:

~should I type alias this?~ *I type aliased it*
This is a part of the Zero Allocations Project #18849 (ZAP1). This code came up as a place where many allocations occur.
ACKs for top commit:
Empact:
ACK 83a425d25a
elichai:
tACK 83a425d25af033086744c1c8c892015014ed46bd
sipa:
utACK 83a425d25af033086744c1c8c892015014ed46bd
Tree-SHA512: f0ffa6ab0ea1632715b0b76362753f9f6935f05cdcc80d85566774401155a3c57ad45a687942a1806d3503858f0bb698da9243746c8e2edb8fdf13611235b0e0
We were previously ruling out 17-20 pubkeys multisig, while they are
only invalid under P2SH context.
This makes multisigs with up to 20 keys be detected as valid by the
solver. This is however *not* a policy change as it would only apply
to bare multisigs, which are already limited to 3 pubkeys.
Note that this does not change the sigOpCount calculation (as it would
break consensus). Therefore 1-16 keys multisigs are counted as 1-16 sigops
and 17-20 keys multisigs are counted as 20 sigops.
Signed-off-by: Antoine Poinsot <darosior@protonmail.com>
545404e7e1c72985557ccffe865cea269143e5dd fuzz: Add RPC interface fuzzing. Increase fuzzing coverage from 65% to 70%. (practicalswift)
Pull request description:
Add RPC interface fuzzing.
This PR increases overall fuzzing line coverage from [~65%](https://marcofalke.github.io/btc_cov/fuzz.coverage/) to ~70% 🎉
To test this PR:
```
$ make distclean
$ ./autogen.sh
$ CC=clang CXX=clang++ ./configure --enable-fuzz --with-sanitizers=address,fuzzer,undefined
$ make -C src/ test/fuzz/fuzz
$ FUZZ=rpc src/test/fuzz/fuzz
```
See [`doc/fuzzing.md`](https://github.com/bitcoin/bitcoin/blob/master/doc/fuzzing.md) for more information on how to fuzz Bitcoin Core. Don't forget to contribute any coverage increasing inputs you find to the [Bitcoin Core fuzzing corpus repo](https://github.com/bitcoin-core/qa-assets).
Happy fuzzing :)
ACKs for top commit:
MarcoFalke:
Concept ACK 545404e7e1c72985557ccffe865cea269143e5dd
Tree-SHA512: 35fc1b508af42bf480ee3762326b09ff2eecdb7960a1917ad16345fadd5c0c21d666dafe736176e5a848ff6492483c782e4ea914cd9000faf50190df051950fd
This value is no longer used and is instead specified statically
in chainparams. This change means that previously generated
snapshots will no longer be usable.