Age | Commit message (Collapse) | Author |
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a10df7cf351e3947ba2d6cd1357d2c3348f8559a build: prune BOOST_CPPFLAGS from libbitcoin_zmq (fanquake)
Pull request description:
Rather than including `validation.h`, which ultimately means needing boost via `txmempool.h`, include `primitives/block.h` for `CBlock`, and remove `validation.h`, as we can get `cs_main` from `node/blockstorage.h`.
ACKs for top commit:
theuni:
Nice. ACK a10df7cf351e3947ba2d6cd1357d2c3348f8559a.
hebasto:
ACK a10df7cf351e3947ba2d6cd1357d2c3348f8559a, tested on Linux x86_64 using theuni's [patch](https://github.com/theuni/bitcoin/commit/e131d8f1e33baa9a9499d2e1a4a99b171566c5a5) with depends.
Tree-SHA512: 792b6f9e7e7788d10333b4943609efbc798f3b187c324a0f2d5acbb2d44e3c67705dc54d698eb04c23e5af7b8b73a47f8e7974e819eac12f12ae62f28c807476
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Rather than including validation.h, which ultimately means needing boost
via txmempool.h, include primitives/block.h for CBlock, and remove
validation.h, as we can get cs_main from node/blockstorage.h.
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The only reason BOOST_CPPFLAGS is needed here, is because of the
policy/rbf.h include, which ultimately includes boost multi_index
via txmempool.h. However this include is actually unused.
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This leaves $(BITCOIN_INCLUDES) as internal dependencies, and gives
finer control over Boost includes.
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Avoid permanently storing headers from a peer, unless the headers are part of a
chain with sufficiently high work. This prevents memory attacks using low-work
headers.
Designed and co-authored with Pieter Wuille.
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The same rule is used by the tests and benchmarks to generate headers,
and currently causes #25501. Just deduplicate the code into Makefile.am.
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Also:
- Make DEFAULT_MAX_SIG_CACHE_SIZE into constexpr
DEFAULT_MAX_SIG_CACHE_BYTES to utilize the compile-time integer
arithmetic overflow checking available to constexpr.
- Fix comment (MiB instead of MB) for DEFAULT_MAX_SIG_CACHE_BYTES.
- Pass in max_size_bytes parameter to InitS*Cache(), modify log line to
no longer allude to maxsigcachesize being split evenly between the two
validation caches.
- Fix possible integer truncation and add a comment.
[META] I've kept the integer types as int64_t in order to not introduce
unintended behaviour changes, in the next commit we will make
them size_t.
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It is part of the node library. Also, it won't be moved to the kernel
lib, as it will be pruned of ArgsManager.
-BEGIN VERIFY SCRIPT-
# Move module
git mv src/mempool_args.cpp src/node/
git mv src/mempool_args.h src/node/
# Replacements
sed -i 's:mempool_args\.h:node/mempool_args.h:g' $(git grep -l mempool_args)
sed -i 's:mempool_args\.cpp:node/mempool_args.cpp:g' $(git grep -l mempool_args)
sed -i 's:MEMPOOL_ARGS_H:NODE_MEMPOOL_ARGS_H:g' $(git grep -l MEMPOOL_ARGS_H)
-END VERIFY SCRIPT-
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Replace WriteBlock method with CustomAppend and pass BlockInfo struct
instead of CBlockIndex* pointer
This commit does not change behavior in any way.
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notifications
Add new interfaces::BlockInfo struct to be able to pass extra block
information (file and undo information) to indexes which they are
updated to use high level interfaces::Chain notifications.
This commit does not change behavior in any way.
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from `ArgsManager`
cb3e9a1e3f8d72daaa361fc45dd853775e754b9d Move {Load,Dump}Mempool to kernel namespace (Carl Dong)
aa306765419f7dbea12b12e15553039835ba0e4d Move DEFAULT_PERSIST_MEMPOOL out of libbitcoinkernel (Carl Dong)
06b88ffb8ae7f2b2a93a32908cd80e77fafd270c LoadMempool: Pass in load_path, stop using gArgs (Carl Dong)
b857ac60d9a0433036519c26675378bbf56a1de1 test/fuzz: Invoke LoadMempool via CChainState (Carl Dong)
b3267258b052557fc136b9a4dcb754afb9219470 Move FopenFn to fsbridge namespace (Carl Dong)
ae1e8e37567fa603a5977d7d05105c682dd3f7db mempool: Use NodeClock+friends for LoadMempool (Carl Dong)
f9e8e5719f28d84f68f7d75e26c8e7fccac8e7d3 mempool: Improve comments for [GS]etLoadTried (Carl Dong)
813962da0b17b918941c6849996845e35d84a451 scripted-diff: Rename m_is_loaded -> m_load_tried (Carl Dong)
413f4bb52b72e082ad8716664ede48352b8e7e5a DumpMempool: Pass in dump_path, stop using gArgs (Carl Dong)
bd4407817e523e3c5b347bc6be25ed007cb27034 DumpMempool: Use std::chrono instead of weird int64_t arthmetics (Carl Dong)
c84390b741ab7b61c9f702d8b447c8cadc1257c8 test/mempool_persist: Test manual savemempool when -persistmempool=0 (Carl Dong)
Pull request description:
This is part of the `libbitcoinkernel` project: #24303, https://github.com/bitcoin/bitcoin/projects/18
-----
This PR moves `{Dump,Load}Mempool` into its own `kernel/mempool_persist` module and introduces `ArgsManager` `node::` helpers in `node/mempool_persist_args`to remove the scattered calls to `GetBoolArg("-persistmempool", DEFAULT_PERSIST_MEMPOOL)`.
More context can be gleaned from the commit messages.
-----
One thing I was reflecting on as I wrote this was that in the long run, I think we should probably invert the validation <-> mempool relationship. Instead of mempool not depending on validation, it might make more sense to have validation not depend on mempool. Not super urgent since `libbitcoinkernel` will include both validation and mempool, but perhaps something for the future.
ACKs for top commit:
glozow:
re ACK cb3e9a1e3f8d72daaa361fc45dd853775e754b9d via `git range-diff 7ae032e...cb3e9a1`
MarcoFalke:
ACK cb3e9a1e3f π
ryanofsky:
Code review ACK cb3e9a1e3f8d72daaa361fc45dd853775e754b9d
Tree-SHA512: 979d7237c3abb5a1dd9b5ad3dbf3b954f906a6d8320ed7b923557f41a4472deccae3e8a6bca0018c8e7a3c4a93afecc502acd1e26756f2054f157f1c0edd939d
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Also:
1. Add the newly introduced kernel/mempool_persist.cpp to IWYU CI script
2. Add chrono mapping for iwyu
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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.
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630c1711b47ce50805f4dd2883777a100f7e5339 refactor: Drop no longer needed `util/designator.h` (Hennadii Stepanov)
88ec5d40dcf5d9f95217b123b48203b2f334c0a1 build: Increase MS Visual Studio minimum version (Hennadii Stepanov)
555f9dd5d39b316bf404017401b5aedc23ec6226 rpc, refactor: Add `decodepsbt_outputs` (Hennadii Stepanov)
0c432cbbfa9e83a68e061b388745326e278369fb rpc, refactor: Add `decodepsbt_inputs` (Hennadii Stepanov)
01d95a3964267d243df00d9bcc93b28adcfe16d7 rpc, refactor: Add `getblock_prevout` (Hennadii Stepanov)
Pull request description:
Visual Studio 2022 with `/std:c++20` supports [designated initializers](https://github.com/bitcoin/bitcoin/pull/24531).
ACKs for top commit:
sipsorcery:
reACK 630c1711b47ce50805f4dd2883777a100f7e5339.
Tree-SHA512: 5b8933940dd69061c6b077512168bebb6fea05d429b63ffbab191950798b4c825e8484b1a651db0ae13f97eae481097d3c16395659c0f3b9f847af2aaf44b65d
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Useful to encapsulate the function result object (in case of having it) or, in case of failure, the failure reason.
This let us clean lot of boilerplate code, as now instead of returning a boolean and having to add a ref arg for the
return object and another ref for the error string. We can simply return a 'BResult<Obj>'.
Example of what we currently have:
```
bool doSomething(arg1, arg2, arg3, arg4, &result, &error_string) {
do something...
if (error) {
error_string = "something bad happened";
return false;
}
result = goodResult;
return true;
}
```
Example of what we will get with this commit:
```
BResult<Obj> doSomething(arg1, arg2, arg3, arg4) {
do something...
if (error) return {"something happened"};
// good
return {goodResult};
}
```
This allows a similar boilerplate cleanup on the function callers side as well. They don't have to add the extra
pre-function-call error string and result object declarations to pass the references to the function.
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own translation unit
0101d2bc3c3bcf698d6cc2a237a680fc52395987 [net] Move eviction logic to its own file (dergoegge)
c741d748d4d9836940b99091cc7be09c65efcb79 [net] Move ConnectionType to its own file (Cory Fields)
a3c27070396ab8c2941c437e8099547e8fc9c110 [net] Add connection type to NodeEvictionCandidate (dergoegge)
42aa5d5b6269d27af525d5001907558442e96023 [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 0101d2bc3c3bcf698d6cc2a237a680fc52395987
theuni:
utACK 0101d2bc3c3bcf698d6cc2a237a680fc52395987. I quickly verified with `git --color-moved` that the move-only changes are indeed move-only.
Tree-SHA512: e0c345a698030e049cb22fe281b44503c04403c5be5a3750ca14bfcc603a162ac6bac9a39552472feb57c460102b7ca91430b8ad6268f2efccc49b5e8959331b
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`ArgsManager`
d1684beabe5b738c2cc83de83e1aaef11a761b69 fees: Pass in a filepath instead of referencing gArgs (Carl Dong)
9a3d825c30e8e6118d74a4e568744cb9d03f7f5d init: Remove redundant -*mempool*, -limit* queries (Carl Dong)
6c5c60c4124293d948735756f84efc85262ea66f mempool: Use m_limit for UpdateTransactionsFromBlock (Carl Dong)
9e93b1030182eff92ef91181e17c7dd498c7e164 node/ifaces: Use existing MemPoolLimits (Carl Dong)
38af2bcf358a72b9457d370282e57f4be1c5c849 mempoolaccept: Use limits from mempool in constructor (Carl Dong)
9333427014695ac235c96d48791098168dfdc9db mempool: Introduce (still-unused) MemPoolLimits (Carl Dong)
716bb5fbd31077bbe99d11a54d6c2c250afc8085 scripted-diff: Rename anc/desc size limit vars to indicate SI unit (Carl Dong)
1ecc77321deb61b9f6888e4e10752b9d972fd26e scripted-diff: Rename DEFAULT_MEMPOOL_EXPIRY to indicate time unit (Carl Dong)
aa9141cd8185cb7ad532bc16feb9d302b05d9697 mempool: Pass in -mempoolexpiry instead of referencing gArgs (Carl Dong)
51c7a41a5eb6fcb60333812c770d80227cf7b64d init: Only determine maxmempool once (Carl Dong)
386c9472c8764738282e6d163b42e15a8feda7ea mempool: Make GetMinFee() with custom size protected (Carl Dong)
82f00de7a6a60cbc9ad0c6e1d0ffb1bc70c49af5 mempool: Pass in -maxmempool instead of referencing gArgs (Carl Dong)
f1941e8bfd2eecc478c7660434b1ebf6a64095a0 pool: Add and use MemPoolOptions, ApplyArgsManOptions (Carl Dong)
0199bd35bb44e32ee0db9b51c9d1bd7518c26f19 fuzz/rbf: Add missing TestingSetup (Carl Dong)
ccbaf546a68d6cda8ed3efd0598c0e4121b366bb scripted-diff: Rename DEFAULT_MAX_MEMPOOL_SIZE to indicate SI unit (Carl Dong)
fc02f77ca604f0221171bfde3059b34f5d0fb1cd 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 d1684beabe5b738c2cc83de83e1aaef11a761b69 π
ryanofsky:
Code review ACK d1684beabe5b738c2cc83de83e1aaef11a761b69. Just minor cleanups since last review, mostly switching to brace initialization
Tree-SHA512: 2c138e52d69f61c263f1c3648f01c801338a8f576762c815f478ef5148b8b2f51e91ded5c1be915e678c0b14f6cfba894b82afec58d999d39a7bb7c914736e0b
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They live as a CTxMemPool member.
[META] These limits will be used in subsequent commits to replace calls
to gArgs.
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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.
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ce1c8104aa40db9a0b11e48b8633d3440a37eb36 build: Remove unused `LIBBITCOIN_KERNEL` variable (Hennadii Stepanov)
Pull request description:
Noticed that while working on moving the build system to CMake. But I [am not the first](https://github.com/bitcoin/bitcoin/pull/24322/files#r860472867) one :)
ACKs for top commit:
laanwj:
ACK ce1c8104aa40db9a0b11e48b8633d3440a37eb36
Tree-SHA512: 877b9f0d64c4c72f403335d7a8462e551f6f8cd5648a211f980d6da5ed7683521d6549f6acf15ac8e55f67915c556201a1980228c975a22135507746e2f392ce
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-BEGIN VERIFY SCRIPT-
sed -i "s|node/ui_interface|node/interface_ui|g" $(git grep -l "node/ui_interface" ./src)
git mv src/node/ui_interface.cpp src/node/interface_ui.cpp
git mv src/node/ui_interface.h src/node/interface_ui.h
sed -i "s|BITCOIN_NODE_UI_INTERFACE_H|BITCOIN_NODE_INTERFACE_UI_H|g" src/node/interface_ui.h
-END VERIFY SCRIPT-
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encapsulate global init/teardown
d87784ac87364fc977bbf9769c8bdb72dea8cbf9 kernel: SanityChecks: Return an error struct (Carl Dong)
265d6393bf9ef52e7ef7de97ca9c031da82a5ad1 Move init::SanityCheck to kernel::SanityCheck (Carl Dong)
fed085a1a4cd2787202752b6a0d98e42dce97f09 init: Initialize globals with kernel::Context's life (Carl Dong)
7d03feef8156ef37a4efa01dc591467bc7d957bf kernel: Introduce empty and unused kernel::Context (Carl Dong)
eeb4fc20c578b1e428a92d64cc9f8f903a677580 test: Use Set/UnsetGlobals in BasicTestingSetup (Carl Dong)
Pull request description:
The full `init/common.cpp` is dependent on things like ArgsManager (which we wish to remove from libbitcoinkernel in the future) and sanity checks. These aren't necessary for libbitcoinkernel so we only extract the portion that is necessary (namely `init::{Set,Unset}Globals()`.
ACKs for top commit:
theuni:
ACK d87784ac87364fc977bbf9769c8bdb72dea8cbf9
vasild:
ACK d87784ac87364fc977bbf9769c8bdb72dea8cbf9
Tree-SHA512: cd6b4923ea1865001b5f0caed9a4ff99c198d22bf74154d935dc09a47fda22ebe585ec912398cea69f722454ed1dbb4898faab5a2d02fb4c5e719c5c8d71a3f9
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...instead of explicitly calling init::{Set,Unset}Globals.
Cool thing about this is that in both the testing and bitcoin-chainstate
codepaths, we no longer need to explicitly unset globals. The
kernel::Context goes out of scope and the globals are unset
"automatically".
Also construct kernel::Context outside of AppInitSanityChecks()
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fa72e0ba15c6382e9068be221ab4872bef000cbc Use designated initializers (MarcoFalke)
Pull request description:
Designated initializers are supported since gcc 4.7 (Our minimum required is 8) and clang 3 (Our minimum required is 7). They work out of the box with C++17, and only msvc requires the C++20 flag to be set. I don't expect any of our msvc users will run into issues due to this. See also https://bitcoin.jonasschnelli.ch/ircmeetings/logs/bitcoin-core-dev/2022/bitcoin-core-dev.2022-03-10-19.00.log.html#l-114
ACKs for top commit:
kristapsk:
ACK fa72e0ba15c6382e9068be221ab4872bef000cbc
hebasto:
ACK fa72e0ba15c6382e9068be221ab4872bef000cbc
Tree-SHA512: a198e9addd9af69262a7e79ae4377b55697c8dfe768b8b3d444526544b1d1f85df46f0ae81b7541bf2f73e5868fb944b159e5bf234303c7b8b9d778afb0b2840
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[META] In the next commit, we will move the init::{Set,Unset}Globals
logic into this struct.
Co-Authored-By: Ryan Ofsky <ryan@ofsky.org>
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Move bdb cppflags out of the catch-all BITCOIN_INCLUDES, and pass them
only where they are needed, which is in libbitcoin_node/wallet and the
tests.
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These checks were added in #4339, (see also #4081), to test
our back-compat stubs, however, those stubs no-longer exist (#22930),
meaning that these checks are now just testing some specific standard
library behaviour, without a particular rationale, or reason, compared
to any other standard library functions we use.
There has also been some discussion about the sanity checks in the
context of the libbitcoinkernel refactoring, see
https://github.com/bitcoin/bitcoin/pull/25065#discussion_r880668218.
Removing the checks removes the need to worry about atleast the glibcxx
checks.
Also remove the list of check from the doc in init.h, because it is
incomplete, and anyone who wants to know what checks are included can
look at the function.
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Also move manual dependency closer to actual build target
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Error was reported by SatoriHoshiAiko in
https://github.com/bitcoin/bitcoin/issues/25207 and happens unpredictably
because make doesn't always build dependencies in the same order.
The source file src/ipc/capnp/protocol.cpp includes some generated headers so
needs to have an explicit dependency specified in the makefile so the headers
will be generated before the file is compiled. #19160 added the explicit
dependency, but it was incorrect because it referred to an old file path from
before the source file was renamed (ipc.cpp -> protocol.cpp)
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rpc/blockchain.cpp is now the only user of the vestigial
GetUTXOStats(...). And since GetUTXOStats(...)'s special fallback logic
was only really relevant/meant for rpc/blockchain.cpp, we can just move
it there.
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This is the "fruit of our labor" for this patchset.
ChainstateManager::PopulateAndValidateSnapshot can now directly call
ComputeUTXOStats(...).
Our consensus engine is now fully decoupled from all indices.
See the src/Makefile.am for some satisfying removals.
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Most of this commit is pure-move.
After this change:
- kernel/coinstats.h
-> Contains declarations for:
- enum class CoinStatsHashType
- struct CCoinsStats
- GetBogoSize(...)
- TxOutSer(...)
- ComputeUTXOStats(...)
- node/coinstats.h
-> Just GetUTXOStats, which will be removed as we change callers to
directly use the hashing/indexing codepaths in future commits.
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As mentioned in a previous commit, the hashing codepath can now be moved
to a separate file. This decouples callers that only rely on the hashing
codepath from the indexing one.
This is key for libbitcoinkernel, which needs to have the CoinsStats
hashing codepath for AssumeUTXO, but does not wish to be coupled with
indexes.
Note that only the .cpp file is split in this commit, the header files
will be split in a subsequent commit and the #includes to
node/coinstats.h will be adjusted to only #include the necessary
headers.
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It is no longer necessary to link in blockfilter.cpp and
index/blockfilterindex.cpp after merge of PR#21726 since validation has
been decouple from the blockfilterindex.
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This decouples validation.cpp from netaddress.cpp (transitively,
timedata.cpp, and asmap.cpp).
This is important for libbitcoinkernel as:
- There is no reason for the consensus engine to be coupled with
netaddress, timedata, and asmap
- Users of libbitcoinkernel can now easily supply their own
std::function that provides the adjusted time.
See the src/Makefile.am changes for some satisfying removals.
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[META] Although it seems like we don't need it for just one option,
we're going to introduce another member to this struct *in the
next commit*. In future patchsets for libbitcoinkernel decoupling
it from ArgsManager, even more members will be added here.
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e3a06a3c6cbb288ac89a2725cf71ae8adaebf35c test: Add `strerror` to locale-dependence linter (laanwj)
f00fb1265a8bc26e1612c771173325dbe49b3612 util: Increase buffer size to 1024 in SysErrorString (laanwj)
718da302c7b11b375042c3000d421fd93348c199 util: Refactor SysErrorString logic (laanwj)
e7f2f77756d33c6be9c8998a575b263ff2d39270 util: Use strerror_s for SysErrorString on Windows (laanwj)
46971c6dbfbc39ebbc74ab1ed8c00edc12859373 util: Replace non-threadsafe strerror (laanwj)
Pull request description:
Some uses of non-threadsafe `strerror` have snuck into the code since they were removed in #4152. Add a wrapper `SysErrorString` for thread-safe strerror alternatives (with code from `NetworkErrorString`) and replace all uses of `strerror` with this.
Edit: I've also added a commit that refactors the code so that buf[] is never read at all if the function fails, making some fragile-looking code unnecessary.
Edit2: from the linux manpage:
```
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
βββββββββββββββββββββ¬ββββββββββββββββ¬ββββββββββββββββββββββββββ
βInterface β Attribute β Value β
βββββββββββββββββββββΌββββββββββββββββΌββββββββββββββββββββββββββ€
βstrerror() β Thread safety β MT-Unsafe race:strerror β
βββββββββββββββββββββΌββββββββββββββββΌββββββββββββββββββββββββββ€
β¦
βββββββββββββββββββββΌββββββββββββββββΌββββββββββββββββββββββββββ€
βstrerror_r(), β Thread safety β MT-Safe β
βstrerror_l() β β β
βββββββββββββββββββββ΄ββββββββββββββββ΄ββββββββββββββββββββββββββ
```
As the function can be called from any thread at any time, using a non-thread-safe function is unacceptable.
ACKs for top commit:
jonatack:
ACK e3a06a3c6cbb288ac89a2725cf71ae8adaebf35c
Tree-SHA512: 20e71ebb9e979d4e1d8cafbb2e32e20c2a63f09115fe72cdde67c8f80ae98c531d286f935fd8a6e92a18b72607d7bd3e846b2d871d9691a6036b0676de8aaf25
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