Also:
1. Have CChainState::LoadMempool and ::ThreadImport take in paths and
pass it through untouched to LoadMempool.
2. Make LoadMempool exit early if the load_path is empty.
3. Adjust the call to ::ThreadImport in ::AppInitMain to correctly pass
in an empty path if mempool persistence is disabled.
Not only does this increase coverage, it is also more correct in that
when ::LoadMempool is called with a mempool and chainstate, it calls
AcceptToMemoryPool with just the chainstate.
AcceptToMemoryPool will then act on the chainstate's mempool via
CChainState::GetMempool, which may be different from the mempool
originally passed to ::LoadMempool. (In this fuzz test's case, it
definitely is different)
Also, move DummyChainstate to its own file since it's now used by the
validation_load_mempool fuzz test to replace CChainState's m_mempool.
Also introduce node::{ShouldPersistMempool,MempoolPath} helper functions
in node/mempool_persist_args.{h,cpp} which are used by non-kernel
DumpMempool callers to determine whether or not to automatically dump
the mempool and where to dump it to.
ffc79b8e49 qa: functional test Miniscript watchonly support (Antoine Poinsot)
bfb036756a Miniscript support in output descriptors (Antoine Poinsot)
4a082887be qa: better error reporting on descriptor parsing error (Antoine Poinsot)
d25d58bf5f miniscript: add a helper to find the first insane sub with no child (Antoine Poinsot)
c38c7c5817 miniscript: don't check for top level validity at parsing time (Antoine Poinsot)
Pull request description:
This adds Miniscript support for Output Descriptors without any signing logic (yet). See the OP of #24147 for a description of Miniscript and a rationale of having it in Bitcoin Core.
On its own, this PR adds "watchonly" support for Miniscript descriptors in the descriptor wallet. A follow-up adds signing support.
A minified corpus of Miniscript Descriptors for the `descriptor_parse` fuzz target is available at https://github.com/bitcoin-core/qa-assets/pull/92.
The Miniscript descriptors used in the unit tests here and in #24149 were cross-tested against the Rust implementation at https://github.com/rust-bitcoin/rust-miniscript.
This PR contains code and insights from Pieter Wuille.
ACKs for top commit:
Sjors:
re-utACK ffc79b8e49
achow101:
ACK ffc79b8e49
w0xlt:
reACK ffc79b8e49
Tree-SHA512: 02d919d38bb626d3c557eca3680ce71117739fa161b7a92cfdb6c9c432ed88870b1ed127ba24248574c40c7428217d7e9bdd986fd8cd7c51fae8c776e1271fb9
Prior to this commit, the peer was connected, and then the services and
connectivity fields in the CNode object were manually set. Instead, send
p2p `version` and `verack` messages, and have net_processing's internal
logic set the state of the node.
This ensures that the node's internal state is consistent with how it
would be set in the live code.
Prior to this commit, `dummyNode1.nServices` was set to `NODE_NONE`
which was not a problem since `CNode::fClient` and
`CNode::m_limited_node` are default initialised to false. Now that we
are doing the actual version handshake, the values of `fClient` and
`m_limited_node` are set during the handshake and cause the test to fail
if we do not set `dummyNode1.nServices` to a reasonable value
(NODE_NETWORK | NODE_WITNESS).
Miniscript descriptors are defined under P2WSH context (either `wsh()`
or `sh(wsh())`).
Only sane Miniscripts are accepted, as insane ones (although valid by
type) can have surprising behaviour with regard to malleability
guarantees and resources limitations.
As Miniscript descriptors are longer and more complex than "legacy"
descriptors, care was taken in error reporting to help a user determine
for what reason a provided Miniscript is insane.
Co-authored-by: Pieter Wuille <pieter.wuille@gmail.com>
This is helpful for finer grained descriptor parsing error: when there
are multiple errors to report in a Miniscript descriptor start with the
"smallest" fragments: the ones closer to be a leaf.
Co-Authored-By: Pieter Wuille <pieter@wuille.net>
fa4be8e7c3 move-only: InitializeNode to handshake helper (MacroFake)
fa7098947c move-only: Version handshake to libtest_util (MacroFake)
Pull request description:
The version handshake after setting up a peer is an integral part of (unit) testing net processing logic.
Thus, make the helper accessible in libtest_util.
Also, remove the peerman argument from `FillNode`, as it must be equal to connman's peerman, which can then be used instead.
ACKs for top commit:
dergoegge:
ACK fa4be8e7c3
Tree-SHA512: 8296399dc2c29196bd56584c9b61f1c5a088f96dd3438b07b84e1acf525d867f1e37fdfdeede8a831add25848cda0c221ce3fb873e5ae5ca805a1765aa08eb12
0101d2bc3c [net] Move eviction logic to its own file (dergoegge)
c741d748d4 [net] Move ConnectionType to its own file (Cory Fields)
a3c2707039 [net] Add connection type to NodeEvictionCandidate (dergoegge)
42aa5d5b62 [net] Add NoBan status to NodeEvictionCandidate (dergoegge)
Pull request description:
This PR splits of the first couple commits from #25268 that move the inbound eviction logic from `net.{h,cpp}` to `eviction.{h,cpp}`.
Please look at #25268 for motivation and conceptual review.
ACKs for top commit:
jnewbery:
utACK 0101d2bc3c
theuni:
utACK 0101d2bc3c. I quickly verified with `git --color-moved` that the move-only changes are indeed move-only.
Tree-SHA512: e0c345a698030e049cb22fe281b44503c04403c5be5a3750ca14bfcc603a162ac6bac9a39552472feb57c460102b7ca91430b8ad6268f2efccc49b5e8959331b
6eb0909cb7 fuzz: add low-level target for txorphanage (chinggg)
Pull request description:
This adds a low-level fuzz target for orphan transaction handling by creating random transactions and calling all functions in `TxOrphanage`.
It cannot simulate real-world `orphan/unorphan` scenarios effectively since it does not maintain any state about the node and the chain. A high-level fuzz target which construct well-designed transaction graphs will be added later.
ACKs for top commit:
MarcoFalke:
review ACK 6eb0909cb7🐈
Tree-SHA512: b4d64f5941df77d13981f75ec170cef6ffabe782797c982ede7f34134be01dc0026dd7c0bee614bc1d64715e90a933d2a8c95974d402e32eaba8e24cc928299e
e866f0d066 [functional test] submitrawpackage RPC (glozow)
fa076515b0 [rpc] add new submitpackage RPC (glozow)
Pull request description:
It would be nice for LN/wallet/app devs to test out package policy, package RBF, etc., but the only interface to do so right now is through unit tests. This PR adds a `-regtest` only RPC interface so people can test by submitting raw transaction data. It is regtest-only, as it would be unsafe/confusing to create an actual mainnet interface while package relay doesn't exist.
Note that the functional tests are there to ensure the RPC interface is working properly; they aren't for testing policy itself. See src/test/txpackage_tests.cpp.
ACKs for top commit:
t-bast:
Tested ACK against eclair e866f0d066
ariard:
Code Review ACK e866f0d0
instagibbs:
code review ACK e866f0d066
Tree-SHA512: 824a26b10d2240e0fd85e5dd25bf499ee3dd9ba8ef4f522533998fcf767ddded9f001f7a005fe3ab07ec95e696448484e26599803e6034ed2733125c8c376c84
d1684beabe fees: Pass in a filepath instead of referencing gArgs (Carl Dong)
9a3d825c30 init: Remove redundant -*mempool*, -limit* queries (Carl Dong)
6c5c60c412 mempool: Use m_limit for UpdateTransactionsFromBlock (Carl Dong)
9e93b10301 node/ifaces: Use existing MemPoolLimits (Carl Dong)
38af2bcf35 mempoolaccept: Use limits from mempool in constructor (Carl Dong)
9333427014 mempool: Introduce (still-unused) MemPoolLimits (Carl Dong)
716bb5fbd3 scripted-diff: Rename anc/desc size limit vars to indicate SI unit (Carl Dong)
1ecc77321d scripted-diff: Rename DEFAULT_MEMPOOL_EXPIRY to indicate time unit (Carl Dong)
aa9141cd81 mempool: Pass in -mempoolexpiry instead of referencing gArgs (Carl Dong)
51c7a41a5e init: Only determine maxmempool once (Carl Dong)
386c9472c8 mempool: Make GetMinFee() with custom size protected (Carl Dong)
82f00de7a6 mempool: Pass in -maxmempool instead of referencing gArgs (Carl Dong)
f1941e8bfd pool: Add and use MemPoolOptions, ApplyArgsManOptions (Carl Dong)
0199bd35bb fuzz/rbf: Add missing TestingSetup (Carl Dong)
ccbaf546a6 scripted-diff: Rename DEFAULT_MAX_MEMPOOL_SIZE to indicate SI unit (Carl Dong)
fc02f77ca6 ArgsMan: Add Get*Arg functions returning optional (Carl Dong)
Pull request description:
This is part of the `libbitcoinkernel` project: #24303, https://github.com/bitcoin/bitcoin/projects/18
-----
As mentioned in the Stage 1 Step 2 description of [the `libbitcoinkernel` project](https://github.com/bitcoin/bitcoin/issues/24303), `ArgsManager` will not be part of `libbitcoinkernel`. Therefore, it is important that we remove any dependence on `ArgsManager` by code that will be part of `libbitcoinkernel`. This is the first in a series of PRs aiming to achieve this.
This PR removes `CTxMemPool+MempoolAccept`'s dependency on `ArgsManager` by introducing a `CTxMemPool::Options` struct, which is used to specify `CTxMemPool`'s various options at construction time.
These options are:
- `-maxmempool` -> `CTxMemPool::Options::max_size`
- `-mempoolexpiry` -> `CTxMemPool::Options::expiry`
- `-limitancestorcount` -> `CTxMemPool::Options::limits::ancestor_count`
- `-limitancestorsize` -> `CTxMemPool::Options::limits::ancestor_size`
- `-limitdescendantcount` -> `CTxMemPool::Options::limits::descendant_count`
- `-limitdescendantsize` -> `CTxMemPool::Options::limits::descendant_size`
More context can be gleaned from the commit messages. The important commits are:
- 56eb479ded8bfb2ef635bb6f3b484f9d5952c70d "pool: Add and use MemPoolOptions, ApplyArgsManOptions"
- a1e08b70f3068f4e8def1c630d8f50cd54da7832 "mempool: Pass in -maxmempool instead of referencing gArgs"
- 6f4bf3ede5812b374828f08fc728ceded2f10024 "mempool: Pass in -mempoolexpiry instead of referencing gArgs"
- 5958a7fe4806599fc620ee8c1a881ca10fa2dd16 "mempool: Introduce (still-unused) MemPoolLimits"
Reviewers: Help needed in the following commits (see commit messages):
- a1e08b70f3068f4e8def1c630d8f50cd54da7832 "mempool: Pass in -maxmempool instead of referencing gArgs"
- 0695081a797e9a5d7787b78b0f8289dafcc6bff7 "node/ifaces: Use existing MemPoolLimits"
Note to Reviewers: There are perhaps an infinite number of ways to architect `CTxMemPool::Options`, the current one tries to keep it simple, usable, and flexible. I hope we don't spend too much time arguing over the design here since that's not the point. In the case that you're 100% certain that a different design is strictly better than this one in every regard, please show us a fully-implemented branch.
-----
TODO:
- [x] Use the more ergonomic `CTxMemPool::Options` where appropriate
- [x] Doxygen comments for `ApplyArgsManOptions`, `MemPoolOptions`
-----
Questions for Reviewers:
1. Should we use `std::chrono::seconds` for `CTxMemPool::Options::expiry` and `CTxMemPool::m_expiry` instead of an `int64_t`? Something else? (`std::chrono::hours`?)
2. Should I merge `CTxMemPool::Limits` inside `CTxMemPool::Options`?
ACKs for top commit:
MarcoFalke:
ACK d1684beabe🍜
ryanofsky:
Code review ACK d1684beabe. Just minor cleanups since last review, mostly switching to brace initialization
Tree-SHA512: 2c138e52d69f61c263f1c3648f01c801338a8f576762c815f478ef5148b8b2f51e91ded5c1be915e678c0b14f6cfba894b82afec58d999d39a7bb7c914736e0b
The version of GetMinFee() with a custom size specification is and
should only be used by tests. Mark it as protected and use a derived
class exposing GetMinFee() as public in tests.
Reviewers: Note that CTxMemPool now requires a non-defaulted
CTxMemPool::Options for its constructor. Meaning that there's no need to
worry about a stray CTxMemPool constructor somewhere defaulting to
something incorrect. All instances of CTxMemPool construction are
addressed here in this commit.
We set options for CTxMemPool and construct it in many different ways. A
good example can be seen in how we determine CTxMemPool's check_ratio in
AppInitMain(...).
1. We first set the default based on chainparams's
DefaultConsistencyChecks()
2. Then, we apply the ArgsManager option on top of that default
3. Finally, we clamp the result of that between 0 and 1 Million
With this patch, most CTxMemPool construction are along the lines of:
MemPoolOptions mempool_opts{...default overrides...};
ApplyArgsManOptions(argsman, mempool_opts);
...hard overrides...
CTxMemPool pool{mempool_opts};
This "compositional" style of building options means that we can omit
unnecessary/irrelevant steps wherever we want but also maintain full
customizability.
For example:
- For users of libbitcoinkernel, where we eventually want to remove
ArgsManager, they simply won't call (or even know about)
ApplyArgsManOptions.
- See src/init.cpp to see how the check_ratio CTxMemPool option works
after this change.
A MemPoolOptionsForTest helper was also added and used by tests/fuzz
tests where a local CTxMemPool needed to be created.
The change in src/test/fuzz/tx_pool.cpp seemingly changes behaviour by
applying ArgsManager options on top of the CTxMemPool::Options defaults.
However, in future commits where we introduce flags like -maxmempool,
the call to ApplyArgsManOptions is actually what preserves the existing
behaviour. Previously, although it wasn't obvious, our CTxMemPool would
consult gArgs for flags like -maxmempool when it needed it, so it
already relied on ArgsManager information. This patchset just laid bare
the obfuscatory perils of globals.
[META] As this patchset progresses, we will move more and more
CTxMemPool-relevant options into MemPoolOptions and add their
ArgsMan-related logic to ApplyArgsManOptions.
fa1fe2e500 Remove LOCKTIME_MEDIAN_TIME_PAST constant (MarcoFalke)
Pull request description:
The constant is exposed in policy code, which doesn't make sense:
* Wallet and mempool need to assume the flag to be always active to function properly.
* Setting (or unsetting) the flag has no effect on policy code.
The constant is only used in `ContextualCheckBlock` (consensus code) to set a flag and then read the flag again. I think this can be better achieved by using a `bool`. If there is a need to use a flag in the future, it will be trivial to do so then.
(The previous use for the constant was removed in df562d698a)
ACKs for top commit:
Sjors:
utACK fa1fe2e500
glozow:
code review ACK fa1fe2e500, AFAICT this is safe and makes sense as `SequenceLocks` doesn't use it, wallet/ATMP no longer need it since #24080, and `ContextualCheckBlock` effectively uses it as a roundabout boolean.
instagibbs:
utACK fa1fe2e500
Tree-SHA512: de1972498c545d608a09630d77d8c7e38ed50a6ec40d6c0d720310a1647ed5b48b4ace0078c80db10e7f97aacc552fffae251fe3256e9a19a908b933ba2dc552
b2733ab6a8 net: add new method Sock::Listen() that wraps listen() (Vasil Dimov)
3ad7de225e net: add new method Sock::Bind() that wraps bind() (Vasil Dimov)
Pull request description:
_This is a piece of #21878, chopped off to ease review._
Add new methods `Sock::Bind()` and `Sock::Listen()` that wrap `bind()` and `listen()`.
This will help to increase `Sock` usage and make more code mockable.
ACKs for top commit:
pk-b2:
ACK b2733ab6a8
laanwj:
Code review ACK b2733ab6a8
Tree-SHA512: c6e737606703e2106fe60cc000cfbbae3a7f43deadb25f70531e2cac0457e0b0581440279d14c76c492eb85c12af4adde52c30baf74542c41597e419817488e8
a8d6abba5e net: change GetBindAddress() to take Sock argument (Vasil Dimov)
748dbcd9f2 net: add new method Sock::GetSockName() that wraps getsockname() (Vasil Dimov)
Pull request description:
_This is a piece of #21878, chopped off to ease review._
Wrap the syscall `getsockname()` in `Sock::GetSockName()` and change `GetBindAddress()` to take a `Sock` argument so that it can use the wrapper.
This further encapsulates syscalls inside the `Sock` class and makes the callers mockable.
ACKs for top commit:
laanwj:
Code review ACK a8d6abba5e
Tree-SHA512: 3a73463258c0057487fb3fd67215816b03a1c5160f45e45930eaeef86bb3611ec385794cdb08339aa074feba8ad67cd2bfd3836f6cbd40834e15d933214a05dc
MarcoFalke mentioned that this is likely a bug since "any log messages
should be muted, not accumulated and turned into an OOM when fuzzing for
a long time".
fa8aa0aa81 Pass Peer& to Misbehaving() (MacroFake)
Pull request description:
`Misbehaving` has several coding related issues (ignoring the conceptual issues here for now):
* It is public, but it is not supposed to be called from outside of net_processing. Fix that by making it private and creating a public `UnitTestMisbehaving` method for unit testing only.
* It doesn't do anything if a `nullptr` is passed. It would be less confusing to just skip the call instead. Fix that by passing `Peer&` to `Misbehaving()`.
* It calls `GetPeerRef`, causing `!m_peer_mutex` lock annotations to be propagated. This is harmless, but verbose. Fix it by removing the no longer needed call to `GetPeerRef` and the no longer needed lock annotations.
ACKs for top commit:
vasild:
ACK fa8aa0aa81
w0xlt:
Code Review ACK fa8aa0aa81
Tree-SHA512: e60a6b317f2b826f9e0724285d00b632d3e2a91ded9fa5ba01c80766c5d39270b719be234c01302d46eaba600910032693836aa116ff05ee1b590c7530881cd3
It could be unsafe/confusing to create an actual mainnet interface while
package relay doesn't exist. However, a regtest-only interface allows
wallet/application devs to test current package policies.
a724c39606 net: rename Sock::Reset() to Sock::Close() and make it private (Vasil Dimov)
e8ff3f0c52 net: remove CloseSocket() (Vasil Dimov)
175fb2670a net: remove now unused Sock::Release() (Vasil Dimov)
Pull request description:
_This is a piece of #21878, chopped off to ease review._
* `Sock::Release()` is unused, thus remove it
* `CloseSocket()` is only called from `Sock::Reset()`, so move the body of `CloseSocket()` inside `Sock::Reset()` and remove `CloseSocket()` - this helps to hide low level file descriptor sockets inside the `Sock` class.
* Rename `Sock::Reset()` to `Sock::Close()` and make it `private` - to be used only in the destructor and in the `Sock` assignment operator. This simplifies the public API by removing one method from it.
ACKs for top commit:
laanwj:
Code review ACK a724c39606
Tree-SHA512: 4b12586642b3d049092fadcb1877132e285ec66a80af92563a7703c6970e278e0f2064fba45c7eaa78eb65db94b3641fd5e5264f7b4f61116d1a6f3333868639
Outside of `Sock`, `Sock::Reset()` was used in just one place (in
`i2p.cpp`) which can use the assignment operator instead.
This simplifies the public `Sock` API by having one method less.
99b9e5f3a9 p2p: always set nTime for self-advertisements (Martin Zumsande)
Pull request description:
This logic was recently changed in 0cfc0cd322 to overwrite `addrLocal` with the address they gave us when self-advertising to an inbound peer. But if we don't also change `nTime` again from the default `TIME_INIT`, our peer will not relay our advertised address any further.
ACKs for top commit:
naumenkogs:
ACK 99b9e5f3a9
laanwj:
Code review ACK 99b9e5f3a9
vasild:
ACK 99b9e5f3a9
Tree-SHA512: 4c7ea51cc77ddaa4b3537962ad2ad085f7ef5322982d3b1f5baecb852719eb99dd578436ca63432cb6b0a4fbd8b59fca793caf326c4663a4d6f34301e8146aa2
Do the closing in `Sock::Reset()` and remove the standalone
`CloseSocket()`.
This reduces the exposure of low-level sockets (i.e. integer file
descriptors) outside of the `Sock` class.
6e68ccbefe net: use Sock::WaitMany() instead of CConnman::SocketEvents() (Vasil Dimov)
ae263460ba net: introduce Sock::WaitMany() (Vasil Dimov)
cc74459768 net: also wait for exceptional events in Sock::Wait() (Vasil Dimov)
Pull request description:
_This is a piece of #21878, chopped off to ease review._
`Sock::Wait()` waits for IO events on one socket. Introduce a similar `virtual` method `WaitMany()` that waits simultaneously for IO events on more than one socket.
Use `WaitMany()` instead of `CConnman::SocketEvents()` (and ditch the latter). Given that the former is a `virtual` method, it can be mocked by unit and fuzz tests. This will help to make bigger parts of `CConnman` testable (unit and fuzz).
ACKs for top commit:
laanwj:
Code review ACK 6e68ccbefe
jonatack:
re-ACK 6e68ccbefe per `git range-diff e18fd47 6747729 6e68ccb`, and verified rebase to master and debug build
Tree-SHA512: 917fb6ad880d64d3af1ebb301c06fbd01afd8ff043f49e4055a088ebed6affb7ffe1dcf59292d822f10de5f323b6d52d557cb081dd7434634995f9148efcf08f
d273e53b6e bench/rpc_mempool: Create ChainTestingSetup, use its CTxMemPool (Carl Dong)
020caba3df bench: Use existing CTxMemPool in TestingSetup (Carl Dong)
86e732def3 scripted-diff: test: Use CTxMemPool in TestingSetup (Carl Dong)
213457e170 test/policyestimator: Use ChainTestingSetup's CTxMemPool (Carl Dong)
319f0ceeeb rest/getutxos: Don't construct empty mempool (Carl Dong)
03574b956a tree-wide: clang-format CTxMemPool references (Carl Dong)
Pull request description:
This is part of the `libbitcoinkernel` project: #24303, https://github.com/bitcoin/bitcoin/projects/18
This PR reduces the number of call sites where we explicitly construct CTxMemPool. This is done in preparation for later PRs which decouple the mempool module from `ArgsManager`, eventually all of libbitcoinkernel will be decoupled from `ArgsManager`.
The changes in this PR:
- Allows us to have less code churn as we modify `CTxMemPool`'s constructor in later PRs
- In many cases, we can make use of existing `CTxMemPool` instances, getting rid of extraneous constructions
- In other cases, we construct a `ChainTestingSetup` and use the `CTxMemPool` there, so that we can rely on the logic in `setup_common` to set things up correctly
## Notes for Reviewers
### A note on using existing mempools
When evaluating whether or not it's appropriate to use an existing mempool in a `*TestingSetup` struct, the key is to make sure that the mempool has the same lifetime as the `*TestingSetup` struct.
Example 1: In [`src/fuzz/tx_pool.cpp`](b4f686952a/src/test/fuzz/tx_pool.cpp), the `TestingSetup` is initialized in `initialize_tx_pool` and lives as a static global, while the `CTxMemPool` is in the `tx_pool_standard` fuzz target, meaning that each time the `tx_pool_standard` fuzz target gets run, a new `CTxMemPool` is created. If we were to use the static global `TestingSetup`'s CTxMemPool we might run into problems since its `CTxMemPool` will carry state between subsequent runs. This is why we don't modify `src/fuzz/tx_pool.cpp` in this PR.
Example 2: In [`src/bench/mempool_eviction.cpp`](b4f686952a/src/bench/mempool_eviction.cpp), we see that the `TestingSetup` is in the same scope as the constructed `CTxMemPool`, so it is safe to use its `CTxMemPool`.
### A note on checking `CTxMemPool` ctor call sites
After the "tree-wide: clang-format CTxMemPool references" commit, you can find all `CTxMemPool` ctor call sites with the following command:
```sh
git grep -E -e 'make_unique<CTxMemPool>' \
-e '\bCTxMemPool\s+[^({;]+[({]' \
-e '\bCTxMemPool\s+[^;]+;' \
-e '\bnew\s+CTxMemPool\b'
```
At the end of the PR, you will find that there are still quite a few call sites that we can seemingly get rid of:
```sh
$ git grep -E -e 'make_unique<CTxMemPool>' -e '\bCTxMemPool\s+[^({;]+[({]' -e '\bCTxMemPool\s+[^;]+;' -e '\bnew\s+CTxMemPool\b'
# rearranged for easier explication
src/init.cpp: node.mempool = std::make_unique<CTxMemPool>(node.fee_estimator.get(), mempool_check_ratio);
src/test/util/setup_common.cpp: m_node.mempool = std::make_unique<CTxMemPool>(m_node.fee_estimator.get(), 1);
src/rpc/mining.cpp: CTxMemPool empty_mempool;
src/test/util/setup_common.cpp: CTxMemPool empty_pool;
src/bench/mempool_stress.cpp: CTxMemPool pool;
src/bench/mempool_stress.cpp: CTxMemPool pool;
src/test/fuzz/rbf.cpp: CTxMemPool pool;
src/test/fuzz/tx_pool.cpp: CTxMemPool tx_pool_{/*estimator=*/nullptr, /*check_ratio=*/1};
src/test/fuzz/tx_pool.cpp: CTxMemPool tx_pool_{/*estimator=*/nullptr, /*check_ratio=*/1};
src/test/fuzz/validation_load_mempool.cpp: CTxMemPool pool{};
src/txmempool.h: /** Create a new CTxMemPool.
```
Let's break them down one by one:
```
src/init.cpp: node.mempool = std::make_unique<CTxMemPool>(node.fee_estimator.get(), mempool_check_ratio);
src/test/util/setup_common.cpp: m_node.mempool = std::make_unique<CTxMemPool>(m_node.fee_estimator.get(), 1);
```
Necessary
-----
```
src/rpc/mining.cpp: CTxMemPool empty_mempool;
src/test/util/setup_common.cpp: CTxMemPool empty_pool;
```
These are fixed in #25223 where we stop requiring the `BlockAssembler` to have a `CTxMemPool` if it's not going to consult it anyway (as is the case in these two call sites)
-----
```
src/bench/mempool_stress.cpp: CTxMemPool pool;
src/bench/mempool_stress.cpp: CTxMemPool pool;
```
Fixed in #24927.
-----
```
src/test/fuzz/rbf.cpp: CTxMemPool pool;
src/test/fuzz/tx_pool.cpp: CTxMemPool tx_pool_{/*estimator=*/nullptr, /*check_ratio=*/1};
src/test/fuzz/tx_pool.cpp: CTxMemPool tx_pool_{/*estimator=*/nullptr, /*check_ratio=*/1};
src/test/fuzz/validation_load_mempool.cpp: CTxMemPool pool{};
```
These are all cases where we don't want the `CTxMemPool` state to persist between runs, see the previous section "A note on using existing mempools"
-----
```
src/txmempool.h: /** Create a new CTxMemPool.
```
It's a comment (someone link me to a grep that understands syntax plz thx)
ACKs for top commit:
laanwj:
Code review ACK d273e53b6e
Tree-SHA512: c4ff3d23217a7cc4a7145defc7b901725073ef73bcac3a252ed75f672c87e98ca0368d1d8c3f606b5b49f641e7d8387d26ef802141b650b215876f191fb6d5f9
After this commit, there should be no explicit instantiation of
CTxMemPool in src/test other than those in fuzz/ and setup_common
-BEGIN VERIFY SCRIPT-
find_regex="CTxMemPool\s+([^;({]+)(|\(\)|\{\});" \
&& git grep -l -E "$find_regex" -- src/test \
| grep -v -e "^src/test/util/setup_common.cpp$" \
-e "^src/test/fuzz/" \
| xargs sed -i -E "s@$find_regex@CTxMemPool\& \1 = *Assert(m_node.mempool);@g"
-END VERIFY SCRIPT-
