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The scope of the lock should be limited to just guarding m_warnings as
anything listening on `NotifyAlertChanged` may execute code that
requires the lock as well.
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Benchmarks show it is no longer faster with modern standard C++ libraries,
and the debug-mode failure due to self-move has been fixed as well.
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Also rename the benchmark names to match the operation names
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Block was recently touched (e2d1f84858485650ff743753ffa5c679f210a992) and the codebase recently switched to C++20 which allows this to improve robustness.
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Minor follow-up to 8e31cf9c9b5e9fdd01e8b220c08a3ccde5cf584c, which did
the same.
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Move its ownership to the ChainstateManager class.
Next to simplifying usage of the kernel library by no longer requiring
manual setup of the cache prior to using validation code, it also slims
down the amount of memory allocated by BasicTestingSetup.
Use this opportunity to make SignatureCache RAII styled
Co-authored-by: Ryan Ofsky <ryan@ofsky.org>
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Add the possibility of giving more guidance to the creation of the
metadata and/or coins, so that the fuzzer gets the chance
to reach more error conditions in ActivateSnapshot and sometimes
successfully creates a valid snapshot.
This also changes the asserts for the success case that were outdated,
and only didn't result in a crash because the fuzzer wasn't able
to reach this code before.
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This is done in preparation for the following commit. Also rename it to
SignatureCache.
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Move it to the ChainstateManager class.
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Move its ownership to the ChainstateManager class.
Next to simplifying usage of the kernel library by no longer requiring
manual setup of the cache prior to using validation code, it also slims
down the amount of memory allocated by BasicTestingSetup.
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Instead clamp it to uint32::max if it exceeds it.
Co-authored-by: Anthony Towns <aj@erisian.com.au>
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Set a max length for some previous
`ConsumeRandomLengthByteVector` usage.
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check in ActivateSnapshot
33c48c106cf03ff62994ff5777a775982d90eab9 validation: Check if mempool exists before asserting in ActivateSnapshot (TheCharlatan)
Pull request description:
The mempool is an optional component of the chainstate manager, so don't assume its presence and instead check if it is there first.
ACKs for top commit:
maflcko:
re-ACK 33c48c106cf03ff62994ff5777a775982d90eab9
fjahr:
ACK 33c48c106cf03ff62994ff5777a775982d90eab9
Tree-SHA512: 7a3568d5b7af45efa7bf54bae7bac1f00dc99bc9d47a744d73594f283c952be9500168f680d72f4aee09761da4e878ddca83ba675cdea8ee9e44eeff00ac09da
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ce8094246ee95232e9d84f7e37f3c0a43ef587ce random: replace construct/assign with explicit Reseed() (Pieter Wuille)
2ae392d561ecfdf81855e6df6b9ad3d8843cdfa2 random: use LogError for init failure (Pieter Wuille)
97e16f57042cab07e5e73f6bed19feec2006e4f7 tests: make fuzz tests (mostly) deterministic with fixed seed (Pieter Wuille)
2c91330dd68064e402e8eceea3df9474bb7afd48 random: cleanup order, comments, static (Pieter Wuille)
8e31cf9c9b5e9fdd01e8b220c08a3ccde5cf584c net, net_processing: use existing RNG objects more (Pieter Wuille)
d5fcbe966bc501db8bf6a3809633f0b82e6ae547 random: improve precision of MakeExponentiallyDistributed (Pieter Wuille)
cfb0dfe2cf0b46f3ea9e62992ade989860f086c8 random: convert GetExponentialRand into rand_exp_duration (Pieter Wuille)
4eaa239dc3e189369d59144b524cb2808cbef8c3 random: convert GetRand{Micros,Millis} into randrange (Pieter Wuille)
82de1b80d95fc9447e64c098dcadb6b8a2f1f2ee net: use GetRandMicros for cache expiration (Pieter Wuille)
ddc184d999d7e1a87efaf6bcb222186f0dcd87ec random: get rid of GetRand by inlining (Pieter Wuille)
e2d1f84858485650ff743753ffa5c679f210a992 random: make GetRand() support entire range (incl. max) (Pieter Wuille)
810cdf6b4e12a1fdace7998d75b4daf8b67d7028 tests: overhaul deterministic test randomness (Pieter Wuille)
6cfdc5b104caf9952393f9dac2a36539d964077f random: convert XoRoShiRo128PlusPlus into full RNG (Pieter Wuille)
8cc2f45065fc1864f879248d1e1444588e27076b random: move XoRoShiRo128PlusPlus into random module (Pieter Wuille)
8f5ac0d0b608bdf396d8f2d758a792f869c2cd2a xoroshiro128plusplus: drop comment about nonexisting copy() (Pieter Wuille)
8924f5120f66269c04633167def01f82c74ea730 random: modernize XoRoShiRo128PlusPlus a bit (Pieter Wuille)
ddb7d26cfd96c1f626def4755e0e1b5aaac94d3e random: add RandomMixin::randbits with compile-known bits (Pieter Wuille)
21ce9d8658fed0d3e4552e8b02a6902cb31c572e random: Improve RandomMixin::randbits (Pieter Wuille)
9b14d3d2da05f74ffb6a2ac20b7d9efefbe29634 random: refactor: move rand* utilities to RandomMixin (Pieter Wuille)
40dd86fc3b60d7a67a9720a84a685f16e3f05b06 random: use BasicByte concept in randbytes (Pieter Wuille)
27cefc7fd6a6a159779f572f4c3a06170f955ed8 random: add a few noexcepts to FastRandomContext (Pieter Wuille)
b3b382dde202ad508baf553817c5b38fdd2d4a0c random: move rand256() and randbytes() to .h file (Pieter Wuille)
493a2e024e845e623e202e3eefe1cc2010e9b514 random: write rand256() in function of fillrand() (Pieter Wuille)
Pull request description:
This PR contains a number of vaguely-related improvements to the random module.
The specific changes and more detailed rationale is in the commit messages, but the highlights are:
* `XoRoShiRo128PlusPlus` (previously a test-only RNG) moves to random.h and becomes `InsecureRandomContext`, which is even faster than `FastRandomContext` but non-cryptographic. It also gets all helper randomness functions (`randrange`, `fillrand`, ...), making it a lot more succinct to use.
* During tests, **all** randomness is made deterministic (except for `GetStrongRandBytes`) but non-repeating (like `GetRand()` used to be when `g_mock_deterministic_tests` was used), either fixed, or from a random seed (overridden by env var).
* Several infrequently used top-level functions (`GetRandMillis`, `GetRandMicros`, `GetExponentialRand`) are converted into member functions of `FastRandomContext` (and `InsecureRandomContext`).
* `GetRand<T>()` (without argument) can now return the maximum value of the type (previously e.g. `GetRand<uint32_t>()` would never return 0xffffffff).
ACKs for top commit:
achow101:
ACK ce8094246ee95232e9d84f7e37f3c0a43ef587ce
maflcko:
re-ACK ce8094246ee95232e9d84f7e37f3c0a43ef587ce 🐈
hodlinator:
ACK ce8094246ee95232e9d84f7e37f3c0a43ef587ce
dergoegge:
utACK ce8094246ee95232e9d84f7e37f3c0a43ef587ce
Tree-SHA512: 79bc0cbafaf27e95012c1ce2947a8ca6f9a3c78af5f1f16e69354b6fc9b987a28858adf4cd356dc5baf21163e9af8dcc24e70f8d7173be870e8a3ddcdd47c02c
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2342b46c451658a418f8e28e50b2ad0e5abd284d test: Add coverage for getchaintxstats in assumeutxo context (Fabian Jahr)
faf2a6750b2da97a18c48a3acf9c9da2aebe86d0 rpc: Reorder getchaintxstats output (MarcoFalke)
fa2dada0c9ab61266bcca86fcd28ced873976916 rpc: Avoid getchaintxstats invalid results (MarcoFalke)
Pull request description:
The `getchaintxstats` RPC reply during AU background download may return non-zero, but invalid, values for `window_tx_count` and `txrate`.
For example, `txcount` may be zero for a to-be-downloaded block, but may be non-zero for an ancestor block which is already downloaded. Thus, the values returned may be negative (and cause intermediate integer sanitizer violations).
Also, `txcount` may be accurate for the snapshot base block, or a descendant of it. However it may be zero for an ancestor block that still needs to be downloaded. Thus, the values returned may be positive, but wrong.
Fix all issues by skipping the returned value if either `txcount` is unset (equal to zero).
Also, skip `txcount` in the returned value, if it is unset (equal to zero).
Fixes https://github.com/bitcoin/bitcoin/issues/29328
ACKs for top commit:
fjahr:
re-ACK 2342b46c451658a418f8e28e50b2ad0e5abd284d
achow101:
ACK 2342b46c451658a418f8e28e50b2ad0e5abd284d
mzumsande:
ACK 2342b46c451658a418f8e28e50b2ad0e5abd284d
Tree-SHA512: 931cecc40ee5dc0f96be728db7eb297155f8343076cd29c8b8c050c99fd1d568b80f54c9459a34ca7a9489c2474c729796d00eeb1934d6a9f7b4d6a53e3ec430
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926b8e39dcbc0a3a8a75ef0a29bdca2bf738d746 [doc] add release note for TRUC (glozow)
19a9b90617419f68d0f1c90ee115b5220be99a16 use version=3 instead of v3 in debug strings (glozow)
881fac8e609be17eb71bd9a54c0284b304e2e2e2 scripted-diff: change names from V3 to TRUC (glozow)
a573dd261748d2a80560f73db08f7dca788c7fcf [doc] replace mentions of v3 with TRUC (glozow)
089b5757dff39a9a06cdb625aaced9beeb72958d rename mempool_accept_v3.py to mempool_truc.py (glozow)
f543852a89d93441645250c40c3980aeb0c3b664 rename policy/v3_policy.* to policy/truc_policy.* (glozow)
Pull request description:
Adds a release note for TRUC policy which will be live in v28.0.
For clarity, replaces mentions of "v3" with "TRUC" in most places. Suggested in
- https://github.com/bitcoin/bitcoin/pull/29496#discussion_r1629749583
- https://github.com/bitcoin/bitcoin/pull/29496#discussion_r1624500904
I changed error strings from "v3-violation" to "TRUC-violation" but left v3 in the debug strings because I think it might be clearer for somebody who is debugging. Similarly, I left some variables unchanged because I think they're more descriptive this way, e.g. `tx_v3_from_v2_and_v3`. I'm happy to debate places that should or shouldn't be documented differently in this PR, whatever is clearest to everyone.
ACKs for top commit:
instagibbs:
reACK https://github.com/bitcoin/bitcoin/pull/30272/commits/926b8e39dcbc0a3a8a75ef0a29bdca2bf738d746
achow101:
ACK 926b8e39dcbc0a3a8a75ef0a29bdca2bf738d746
ismaelsadeeq:
Code review ACK 926b8e39dcbc0a3a8a75ef0a29bdca2bf738d746
Tree-SHA512: 16c88add0a29dc6d1236c4d45f34a17b850f6727b231953cbd52eb9f7268d1d802563eadfc8b7928c94ed3d7a615275dd103e57e81439ebf3ba2b12efa1e42af
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invalid chain
2f9bde69f45c7a9fdcf0c65f9e1305391a6f1f28 test: Remove unnecessary restart in assumeutxo test (Fabian Jahr)
19ce3d407ef546fa50d18b2ffbd67b7417797064 assumeutxo: Check snapshot base block is not marked invalid (Fabian Jahr)
80315c011863d69e7785673283e4c9033fbcd5ac refactor: Move early loadtxoutset checks into ActiveSnapshot (Fabian Jahr)
Pull request description:
This was discovered in a discussion in #29996
If the base block of the snapshot is marked invalid or part of an invalid chain, we currently still load the snapshot and get stuck in a weird state where we have the snapshot chainstate but it will never connect to our valid chain.
While this scenario is highly unlikely to occur on mainnet, it still seems good to prevent this inconsistent state.
The behavior change described above is in the second commit.
The first commit refactors the early checks in the `loadtxoutset` RPC by moving them into `ActivateSnapshot()` in order to have the chance to cover them by unit tests in the future and have a more consistent interface. Previously checks were spread out between `rpc/blockchain.cpp` and `validation.cpp`. In order to be able to return the error message to users of the RPC, the return type of `ActivateSnapshot()` is changed from `bool` to `util::Result`.
The third commit removes an unnecessary restart introduced in #29428.
ACKs for top commit:
mzumsande:
re-ACK 2f9bde6
alfonsoromanz:
Re-ACK 2f9bde69f45c7a9fdcf0c65f9e1305391a6f1f28. The RPC code looks much cleaner after the refactor. Also, it seems very useful to get the error message in the RPC response rather than having to rely on the logs in some scenarios if you are an RPC user.
achow101:
ACK 2f9bde69f45c7a9fdcf0c65f9e1305391a6f1f28
Tree-SHA512: 5328dd88c3c7be3f1be97c9eef52ac3666c27188c30a798b3e949f3ffcb83be075127c107e4046f7f39f961a79911ea3d61b61f3c11e451b3e4c541c264eeed4
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+ docs
7d55796c530f891493302059c6200d4a606c1ca9 wallet: update mempool conflicts tests + docs (ishaanam)
Pull request description:
#27307 follow-up:
- updates description of `mempoolconflicts` and `walletconflicts` in `gettransaction`
- adds release notes for 27307
- removes unnecessary line from `wallet_conflicts.py`
ACKs for top commit:
fjahr:
ACK 7d55796c530f891493302059c6200d4a606c1ca9
achow101:
ACK 7d55796c530f891493302059c6200d4a606c1ca9
furszy:
utACK 7d55796c530
tdb3:
ACK 7d55796c530f891493302059c6200d4a606c1ca9
Tree-SHA512: b3c368c7072cacdaf5fd18ecb0a88ab76ce02f65d56fce55a3316afa0989b9417c31e563aa8d9dd8f6294add154b4fdeb4ada5081c6b8a5fe9953f0e8a4812f4
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fetching out of AddToBlock
323ce303086d42292ed9fe7c98e8b459bdf6d1a6 Moved the repeated -printpriority fetching out of AddToBlock (Lőrinc)
Pull request description:
`AddToBlock` was called repeatedly from `addPackageTxs` where the constant value of `printpriority` is recalculated every time.
<img src="https://github.com/bitcoin/bitcoin/assets/1841944/6fd89647-7b6c-4f44-bd04-98d16cd2a938">
This showed up during profiling of AssembleBlock, fetching it once in the constructor results in a small speed increase for many iterations.
> ./src/bench/bench_bitcoin --filter='AssembleBlock' --min-time=10000
before:
| ns/op | op/s | err% | total | benchmark
|--------------------:|--------------------:|--------:|----------:|:----------
| 156,460.15 | 6,391.40 | 0.1% | 11.03 | `AssembleBlock`
after:
| ns/op | op/s | err% | total | benchmark
|--------------------:|--------------------:|--------:|----------:|:----------
| 149,289.55 | 6,698.39 | 0.3% | 10.97 | `AssembleBlock`
---
The slight speedup shows up in CI as well:
<img src="https://github.com/bitcoin/bitcoin/assets/1841944/3be779c9-2dce-4a96-ae5f-cab5435bd72f">
ACKs for top commit:
maflcko:
ACK 323ce303086d42292ed9fe7c98e8b459bdf6d1a6
achow101:
ACK 323ce303086d42292ed9fe7c98e8b459bdf6d1a6
tdb3:
re ACK 323ce303086d42292ed9fe7c98e8b459bdf6d1a6
furszy:
utACK 323ce303086
Tree-SHA512: c2a0aab429646453ad0470956529f1cac8c38778c4c53f82c92c6cbaaaeb69f3d3603c0014ff097844b151e9da7caa2371a4676244caea96527cb540e66825a3
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In the Tor case, this prevents us from telling the Tor daemon to send
our incoming connections from the Tor network to an address where we
do not listen (we tried to listen but failed probably because another
application is already listening).
In the other cases (IPv4/IPv6 binds) this also prevents unpleasant
surprises caused by continuing operations even on bind failure. For
example, another application may be listening on portX, bitcoind tries
to bind on portX and portY, only succeeds with portY and continues
operation leaving the user thinking that his bitcoind is listening on
portX whereas another application is listening (the error message in
the log could easily be missed).
Avoid having the functional testing framework start multiple `bitcoind`s
that try to listen on the same `127.0.0.1:18445` (Tor listen for
regtest) if `bind_to_localhost_only` is set to `False`.
Also fix a typo in `test-shell.md` related to `bind_to_localhost_only`.
Fixes https://github.com/bitcoin/bitcoin/issues/22727
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If only `-bind=addr:port` is given (without `-bind=...=onion`) then we
would bind to `addr:port` _and_ to `127.0.0.1:8334` in addition which
may be unexpected, assuming the semantic of `-bind=addr:port` is
"bind _only_ to `addr:port`".
Change the above to not do the additional bind: if only
`-bind=addr:port` is given (without `-bind=...=onion`) then bind to
`addr:port` (only). If we are creating a Tor hidden service then use
`addr:port` as target (same behavior as before
https://github.com/bitcoin/bitcoin/pull/19991).
This allows disabling binding on the onion port.
Fixes https://github.com/bitcoin/bitcoin/issues/22726
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Make it more clear to the user what we mean by v3.
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-BEGIN VERIFY SCRIPT-
sed -i 's/SingleV3Checks/SingleTRUCChecks/g' $(git grep -l 'SingleV3Checks')
sed -i 's/PackageV3Checks/PackageTRUCChecks/g' $(git grep -l 'PackageV3Checks')
sed -i 's/PV3C/PTRUCC/g' src/policy/truc_policy.h
sed -i 's/V3_MAX_VSIZE/TRUC_MAX_VSIZE/g' $(git grep -l 'V3_MAX_VSIZE')
sed -i 's/V3_CHILD_MAX_VSIZE/TRUC_CHILD_MAX_VSIZE/g' $(git grep -l 'V3_CHILD_MAX_VSIZE')
sed -i 's/V3_DESCENDANT_LIMIT/TRUC_DESCENDANT_LIMIT/g' $(git grep -l 'V3_DESCENDANT_LIMIT')
sed -i 's/V3_ANCESTOR_LIMIT/TRUC_ANCESTOR_LIMIT/g' $(git grep -l 'V3_ANCESTOR_LIMIT')
sed -i 's/CheckMempoolV3Invariants/CheckMempoolTRUCInvariants/g' $(git grep -l 'CheckMempoolV3Invariants')
-END VERIFY SCRIPT-
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Keep mentions of v3 in debug strings to help people who might not know
that TRUC is applied when version=3.
Also keep variable names in tests, as it is less verbose to keep v3 and v2.
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f1478c05458562a9bef5c2ba43959d758e7b4745 mempool: move LoadMempool/DumpMempool to node (Cory Fields)
6d242ff1e9ca02fd8f5cb3ffe82dfb48a52366cc kernel: remove mempool_persist.cpp (Cory Fields)
Pull request description:
DumpMempool/LoadMempool are not necessary for the kernel.
Noticed while working on instantiated logging.
I suppose these could have been left in on purpose, but I'm assuming it was probably just an oversight.
ACKs for top commit:
TheCharlatan:
Re-ACK f1478c05458562a9bef5c2ba43959d758e7b4745
glozow:
ACK f1478c0545
stickies-v:
ACK f1478c05458562a9bef5c2ba43959d758e7b4745
Tree-SHA512: 5825da0cf2e67470524eb6ebe397eb90755a368469a25f184df99ab935b3eb6d89eb802b41a6c3661e869bba3bbfa8ba9d95281bc75ebbf790ec5d9d1f79c66f
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Fix cases of calls to `FillPSBT` returning `complete=true` when it's not
the case.
This can happen when some inputs have been signed but the transaction is
subsequently modified, e.g. in the context of PayJoins.
Also fixes a related bug where a finalized hex string is attempted to be
added during `walletprocesspsbt` but a CHECK_NONFATAL causes an abort.
Reported in #30077.
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In SetupLegacyScriptPubKeyMan, a base LegacyDataSPKM will be created if
the database has the format "bdb_ro" (i.e. the wallet was opened only
for migration purposes).
All of the loading functions are now called with a LegacyDataSPKM object
instead of LegacyScriptPubKeyMan.
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IsMine is necessary for migration. It should be inlined with migration
when the legacy wallet is removed.
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In order to load the necessary data for migrating a legacy wallet
without the full LegacyScriptPubKeyMan, move the data storage and
loading components to LegacyDataSPKM. LegacyScriptPubKeyMan now
subclasses that.
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PeerManagerImpl, as well as several net functions, already have existing
FastRandomContext objects. Reuse them instead of constructing new ones.
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There are only a few call sites of these throughout the codebase, so
move the functionality into FastRandomContext, and rewrite all call sites.
This requires the callers to explicit construct FastRandomContext objects,
which do add to the verbosity, but also make potentially apparent locations
where the code can be improved by reusing a FastRandomContext object (see
further commit).
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This matches the data type of m_cache_entry_expiration.
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