After the merge of #18710, the linter is warning:
```bash
A new Boost dependency in the form of "boost/thread/mutex.hpp" appears to have been introduced:
src/sync.cpp:#include <boost/thread/mutex.hpp>
src/test/sync_tests.cpp:#include <boost/thread/mutex.hpp>
^---- failure generated from test/lint/lint-includes.sh
```
the interim #19337 was merged, which introduced more `boost::mutex` usage.
Given we no longer use `boost::mutex`, just remove the double lock test
and remaining includes.
8f0b64fb513e8c6cdd1f115856100a4ef5afe23e Better error messages for invalid addresses (Bezdrighin)
Pull request description:
This PR addresses #20809.
We add more detailed error messages in case an invalid address is provided inside the 'validateaddress' and 'getaddressinfo' RPC calls. This also covers the case when a user provides an address from a wrong network.
We also add a functional test to test the new error messages.
ACKs for top commit:
kristapsk:
ACK 8f0b64fb513e8c6cdd1f115856100a4ef5afe23e
meshcollider:
Code review ACK 8f0b64fb513e8c6cdd1f115856100a4ef5afe23e
Tree-SHA512: ca0f806ab573e96b79e98d9f8c810b81fa99c638d9b5e4d99dc18c8bd2568e6a802ec305fdfb2983574a97a19a46fd53b77645f8078fb77e9deb24ad2a22cf93
e147af762404b1f9b26c1ef3e709fd101517fa2c doc: add instructions for generating RPC docs (benk10)
Pull request description:
Added instructions on how to generate the up to date RPC docs for the bitcoincore.org website in the relevant release-process subsection.
ACKs for top commit:
theStack:
ACK e147af762404b1f9b26c1ef3e709fd101517fa2c ⚙️
Tree-SHA512: 1621d9915ac77f663aa7892237d3e5ff4d9566301c4c0fcb8615804b68d71f6c19bd6e6d84710cd2d2ae492e6b149cdc6edae6292bd20d88d7ca8cd530b4081a
bb6fcc75d1ec94b733d1477c816351c50be5faf9 refactor: Drop boost::thread stuff in CCheckQueue (Hennadii Stepanov)
6784ac471bb32b6bb8e2de60986f123eb4990706 bench: Use CCheckQueue local thread pool (Hennadii Stepanov)
dba30695fc42f45828db008e7e5b81cb2b5d8551 test: Use CCheckQueue local thread pool (Hennadii Stepanov)
01511776acb0c7ec216dc9c8112531067763f1cb Add local thread pool to CCheckQueue (Hennadii Stepanov)
0ef938685b5c079a6f5a98daf0e3865d718d817b refactor: Use member initializers in CCheckQueue (Hennadii Stepanov)
Pull request description:
This PR:
- gets rid of `boost::thread_group` in the `CCheckQueue` class
- allows thread safety annotation usage in the `CCheckQueue` class
- is alternative to #14464 (https://github.com/bitcoin/bitcoin/pull/18710#issuecomment-616618525, https://github.com/bitcoin/bitcoin/pull/18710#issuecomment-617291612)
Also, with this PR (I hope) it could be easier to resurrect a bunch of brilliant ideas from #9938.
Related: #17307
ACKs for top commit:
laanwj:
Code review ACK bb6fcc75d1ec94b733d1477c816351c50be5faf9
LarryRuane:
ACK bb6fcc75d1ec94b733d1477c816351c50be5faf9
jonatack:
Code review ACK bb6fcc75d1ec94b733d1477c816351c50be5faf9 and verified rebase to master builds cleanly with unit/functional tests green
Tree-SHA512: fddeb720d5a391b48bb4c6fa58ed34ccc3f57862fdb8e641745c021841c8340e35c5126338271446cbd98f40bd5484f27926aa6c3e76fa478ba1efafe72e73c1
7487bc9900d28e1b5361cba882fd8783aafc7092 Fix BlockToJsonVerbose benchmark (Martin Ankerl)
Pull request description:
Currently it was not possible to run just the BlockToJsonVerbose benchmark because it did not set up everything it needed, running `bench_bitcoin -filter=BlockToJsonVerbose` caused this assert to fail:
```
bench_bitcoin: chainparams.cpp:506: const CChainParams& Params(): Assertion `globalChainParams' failed.
```
Initializing TestingSetup fixes this.
ACKs for top commit:
theStack:
Tested ACK 7487bc9900d28e1b5361cba882fd8783aafc7092 🐎
Tree-SHA512: 27b9702cb4bacc0475710f7b31f41844e83b8a0787685380749505d179aba724728604d4e4e2e3b3cb38cde88ab12f170881b5d3eb615872ee84632e85312166
2b4cfb44bd75d6e51eb9e7ca692b2fa32250ad04 gitian-keys: Add signer aliases, some historical keys (Wladimir J. van der Laan)
Pull request description:
Update `keys.txt` for `gitian-verify.py` (bitcoin-core/bitcoin-maintainer-tools#71)
- Extend line format with signer aliases in parentheses
- Add a few historical signers
- Sort the file by name
Co-authored-by: fanquake <fanquake@gmail.com>
Top commit has no ACKs.
Tree-SHA512: 0bd22161400358fb2507be3f49b0ad79f323fdc280ecb647e1728d11f9d8ddea4a71286e5808036399929ede79c541432191f93f314ccfd12e40aadad56b8faa
Currently it was not possible to run just the BlockToJsonVerboes benchmarsk because it did not set up everything it needed, running `bench_bitcoin -filter=BlockToJsonVerbose` caused this assert to fail:
```
bench_bitcoin: chainparams.cpp:506: const CChainParams& Params(): Assertion `globalChainParams' failed.
```
Initializing TestingSetup fixes this.
This commit addresses #20809.
We add an additional 'error' property in the result of 'validateaddress' in case the address is not valid that gives a short description of why the address in invalid. We also change the error message returned by 'getaddressinfo' in case the address is invalid.
bf100f8170770544fb39ae6802175c564cde532f [net] Cleanup InactivityChecks() and add commenting about time (John Newbery)
06fa85cd50b718fecd69f0481740d2b8714a1397 [net] InactivityCheck() takes a CNode reference (John Newbery)
Pull request description:
This is a pure refactor and should not change any behavior. It clarifies and documents the InactivityCheck() function
This makes #20721 easier to review. In particular, this function uses a mixture of (unmockable) system time and mockable time. It's important to understand where those are being used when reviewing #20721.
#20721 doesn't require this change, so if others don't agree that it's useful and makes review easier, then I'm happy to close this and just do #20721 directly.
ACKs for top commit:
fanquake:
ACK bf100f8170770544fb39ae6802175c564cde532f
MarcoFalke:
review ACK bf100f8170770544fb39ae6802175c564cde532f 💫
Tree-SHA512: 7b001de2a5fbe8a6dc37baeae930db5775290afb2e8a6aecdf13161f1e5b06ef813bc6291d8ee5cefcf1e430c955ea702833a8db84192eebe6e6acf0b9304cb2
5b41d84b3469484ff6a1f4eb7c890b6444a16091 doc: add xorriso to macOS depends packages (fanquake)
Pull request description:
This was missed in #20470.
ACKs for top commit:
hebasto:
ACK 5b41d84b3469484ff6a1f4eb7c890b6444a16091, tested on Linux Mint 20.1 (x86_64).
Tree-SHA512: bcfd8468a099c69175f8a9d295c1466764ab25d6a61121b28675a09c3e96f45b6309e1523d341f4cb21d0ddee4945f00ba060ba02da835f2f0db7e694fd6c44b
962444295d92744e6f671dac2462037f9f3d79d7 zmq: deduplicate 'sequence' publisher message creation/sending (Sebastian Falbesoner)
Pull request description:
This small PR deduplicates common low-level creation and sending code for the 'sequence' zmq publisher message (methods `NotifyBlock{Connect,Disconnect}()`, `NotifyTransaction{Acceptance,Removal}()` in the class `CZMQPublishSequenceNotifier`) by introducing a helper function.
ACKs for top commit:
jonatack:
Code review re-ACK 962444295d92744e6f671dac2462037f9f3d79d7 per `git diff f231ffd 9624442`
instagibbs:
utACK 962444295d
Tree-SHA512: de0750d923f36d1a5751331e88eec8a1605cb88c93318830913210485e2bff712310484f18a0fb626df6ef32ce0b0cf57f4421ce62656e05fce7011a0c3c2d0e
f1694757ddbcb3635213b085e864851e285c8c12 guix: Fix typo (Carl Dong)
771c4b98a8693eee642f2b118b3193fe6e022291 guix: README: Add darwin HOSTS entry (Carl Dong)
8dbf18cb1d3260d34ba822ceb12e67b1f124ea13 guix: Check for macOS SDK before building anything (Carl Dong)
34b23f597ec52efb795d72e9e5620712d0010edd guix: Set ZERO_AR_DATE for darwin build determinism (Carl Dong)
f3835dc6a3732dcd4afbb5987f84dc27f2bf55af build: Make xorrisofs reproducible with -volume_date (Carl Dong)
c9eb4cf3a0f81bfd72f06fd43b5610f0a4f5e804 guix: Add support for darwin builds (Carl Dong)
37fe73a092b08fe9d7ce636a1021429de6cda757 build: Add var printing target to src/Makefile.am (Carl Dong)
Pull request description:
This PR brings our Guix builds on par with Gitian in terms of supported architectures.
Reviewers: if you run a build, please submit:
```
find output/ -type f -print0 | env LC_ALL=C sort -z | xargs -r0 sha256sum
```
So that we can compare hashes and ensure reproducibility!
ACKs for top commit:
fanquake:
ACK f1694757ddbcb3635213b085e864851e285c8c12 - I think we can make some small usability improvements, but this is ok to merge now.
Tree-SHA512: 4af2b71654a9736467dcc681d10601c6eee37800d7847011a50585455b67b55d61742ca5604585f310a2fd75335b674e5e27dfb5169cb2f26e112aa4c411d8be
da9caa1cedd69702aea44cb44b2fd0a2d6d56916 Replace fs::absolute calls with AbsPathJoin calls (Kiminuo)
66576c4fd532ac18b8b355ea93d25581a2c15654 test: Clear forced -walletdir setting after wallet init_tests (Kiminuo)
Pull request description:
This adds better test coverage and will make it easier in #20744 to remove our dependency on the two-argument boost::filesystem::absolute() function which does not have a direct equivalent in C++17.
This PR doesn't change behavior aside from adding an assert and fixing a test bug.
ACKs for top commit:
jonatack:
Code review ACK da9caa1cedd69702aea44cb44b2fd0a2d6d56916 only doxygen improvements since my last review per `git diff d867d7a da9caa1`
MarcoFalke:
review ACK da9caa1cedd69702aea44cb44b2fd0a2d6d56916 📯
ryanofsky:
Code review ACK da9caa1cedd69702aea44cb44b2fd0a2d6d56916. Just comment and test tweaks since previous review.
Tree-SHA512: c940ee60f3ba374d4927cf34cf12d27c4c735c94af591fbc0ca408c641b30f8f8fbcfe521d66bfbddf9877a1fc8cd99bd8a47ebcd2fa59789de6bd87a7b9cf4d
We need this to be after a '--' as '-volume_date' is a xorriso
flag, not a xorrisofs flag. See the respective man pages.
For more details: https://issues.guix.info/issue/35283#2
ff44cae279bef7997f76db18deb1e41b39f05cb6 test: Change feature_config_args.py not to rely on strange regtest=0 behavior (Russell Yanofsky)
Pull request description:
Update test to simply generate a normal mainnet configuration file instead of using a crazy setup where a regtest=1 config file using an includeconf in the [regtest] section includes another config file that specifies regtest=0, retroactively switching the network to mainnet.
This setup was fragile and only worked because the triggered InitError happened early enough that none of the ignored [regtest] options mattered (only affecting log output).
This change was originally made as part of #17493
Top commit has no ACKs.
Tree-SHA512: 3f77305454f04438493dfc2abd78a00434b30869454d1c3f54587b9c1f63239c49c90fb3b4d3a777ad130f2184e0f2dac87cee4cd23c50f1b3496a375943da01
b3964670537d0943b8fb2d8f2ea419cbefd4835a locks: Annotate CTxMemPool::check to require cs_main (Carl Dong)
Pull request description:
```
Currently, CTxMemPool::check locks CTxMemPool's own cs member, then
calls GetSpendHeight which locks cs_main. This can potentially cause an
undesirable lock invesion since CTxMemPool's cs is supposed to be locked
after cs_main.
This does not cause us any problems right now because all callers of
CTxMemPool already lock cs_main before calling CTxMemPool::check, which
means that the LOCK(cs_main) in GetSpendHeight becomes benign.
However, it is currently possible for new code to be added which calls
CTxMemPool::check without locking cs_main (which would be dangerous).
Therefore we should make it explicit that cs_main needs to be held
before calling CTxMemPool::check.
NOTE: After all review-only assertions are removed in "#20158 |
tree-wide: De-globalize ChainstateManager", and assuming that we
keep the changes in "validation: Pass in spendheight to
CTxMemPool::check", we can re-evaluate to see if this annotation
is still necessary.
```
-----
Previous discussions:
1. https://github.com/bitcoin/bitcoin/pull/20158#discussion_r520639845
2. https://github.com/bitcoin/bitcoin/pull/20158#pullrequestreview-557117202
3. https://github.com/bitcoin/bitcoin/pull/20749#discussion_r559425521
ACKs for top commit:
jnewbery:
Code review ACK b3964670537d0943b8fb2d8f2ea419cbefd4835a
MarcoFalke:
ACK b3964670537d0943b8fb2d8f2ea419cbefd4835a
jonatack:
ACK b3964670537d0943b8fb2d8f2ea419cbefd4835a review and debug built, verified that `cs_main` is held by callers of `CTxMemPool::check()` in `PeerManagerImpl::ProcessOrphanTx()`, `PeerManagerImpl::ProcessMessage()`, and `CChainState::ActivateBestChainStep()`
Tree-SHA512: 4635cddb4aa1af9532bb657b2f9c4deec4568d16ba28c574eae91bb77368cd40e23c3c720a9de11cec78e7ad678a44a5e25af67f13214b86b56e777e0c35a026
abb6fa728598c4cc8874eae1c3c5e587e36424cd fuzz: Initialize a full TestingSetup where appropriate (Carl Dong)
713314abfa224efceb7ba6fa7fef37c449902936 fuzz: Consolidate fuzzing TestingSetup initialization (Carl Dong)
Pull request description:
```
Previously, the {Basic,}TestingSetup for fuzzers were set up in many ways:
1. Calling InitializeFuzzingContext, which implicitly constructs a static
const BasicTestingSetup
2. Directly constructing a static const BasicTestingSetup in the initialize_*
function
3. Directly constructing a static TestingSetup and reproducing the
initialization arguments (I'm assuming because
InitializeFuzzingContext only initializes a BasicTestingSetup)
The new, relatively-simple MakeFuzzingContext function allows us to
consolidate these methods of initialization by being flexible enough to
be used in all situations. It:
1. Is templated so that we can choose to initialize any of
the *TestingSetup classes
2. Has sane defaults which are often used in fuzzers but are also
easily overridable
3. Returns a unique_ptr, explicitly transferring ownership to the caller
to deal with according to its situation
```
~~Question for fuzzing people: was it intentional that `src/test/fuzz/net.cpp` would directly instantiate the `BasicTestingSetup` and thus omit the `"-nodebuglogfile"` flag?~~ [Answered](https://github.com/bitcoin/bitcoin/pull/20946#issuecomment-761537108)
ACKs for top commit:
MarcoFalke:
ACK abb6fa728598c4cc8874eae1c3c5e587e36424cd
Tree-SHA512: 96a5ca6f4cd5ea0e9483b60165b31ae3e9003918c700a7f6ade48010f419f2a6312e10b816b3187f1d263798827571866e4c4ac0bbfb2e0c79dfad254cda68e7
Previously, the {Basic,}TestingSetup for fuzzers were set up in many ways:
1. Calling InitializeFuzzingContext, which implicitly constructs a static
const BasicTestingSetup
2. Directly constructing a static const BasicTestingSetup in the initialize_*
function
3. Directly constructing a static TestingSetup and reproducing the
initialization arguments (I'm assuming because
InitializeFuzzingContext only initializes a BasicTestingSetup)
The new, relatively-simple MakeFuzzingContext function allows us to
consolidate these methods of initialization by being flexible enough to
be used in all situations. It:
1. Is templated so that we can choose to initialize any of
the *TestingSetup classes
2. Has sane defaults which are often used in fuzzers but are also
easily overridable
3. Returns a unique_ptr, explicitly transferring ownership to the caller
to deal with according to its situation
4efb6c2d3b41c6badb4d8d5d9370387a91bf7066 zmq test: deduplicate test setup code (node restart, topics subscription) (Sebastian Falbesoner)
Pull request description:
This PR deduplicates common setup code for the ZMQ functional test. The following steps, previously duplicated in each sub-test, are put into a new method `setup_zmq_test(...)`:
- create subscriber sockets (`zmq.SUB`) for each topic with the specified timeout (default 60s)
- restart node0 with specified zmq notifications enabled (`-zmqpub...=tcp://127.0.0.1:...`...)
- if desired, connect node0 with node1 (note done by default)
- connect all susbcriber sockets to publisher (running on node0)
- wait a bit (currently 200ms), to _"Relax so that the subscribers are ready before publishing zmq messages"_
Note that the last point should be repaced by a more robust method, as this test is still flaky, see #20934 (also #20590 and #20538).
ACKs for top commit:
instagibbs:
ACK 4efb6c2d3b41c6badb4d8d5d9370387a91bf7066
laanwj:
Code review ACK 4efb6c2d3b
Tree-SHA512: d49626756a9c669f1133f1b73ce273994b58c760ce0d6a4bdaa384f043a74149dc2b9fa66fe990413d9105f9c3b6ea973e099669e8e02f2902a5b84fa995028c
Currently, CTxMemPool::check locks CTxMemPool's own cs member, then
calls GetSpendHeight which locks cs_main. This can potentially cause an
undesirable lock invesion since CTxMemPool's cs is supposed to be locked
after cs_main.
This does not cause us any problems right now because all callers of
CTxMemPool already lock cs_main before calling CTxMemPool::check, which
means that the LOCK(cs_main) in GetSpendHeight becomes benign.
However, it is currently possible for new code to be added which calls
CTxMemPool::check without locking cs_main (which would be dangerous).
Therefore we should make it explicit that cs_main needs to be held
before calling CTxMemPool::check.
NOTE: After all review-only assertions are removed in "#20158 |
tree-wide: De-globalize ChainstateManager", and assuming that we
keep the changes in "validation: Pass in spendheight to
CTxMemPool::check", we can re-evaluate to see if this annotation
is still necessary.
ad57fb756b1c2df625790bd9c296ec28daa93740 wallet: Add BerkeleyDB version sanity check at init time (Wladimir J. van der Laan)
Pull request description:
Detect version conflicts between the run-time BerkeleyDB library and the one used during compilation.
This is very unsafe (can result in anything from crashes to corruption) so shut down when one is detected.
ACKs for top commit:
decryp2kanon:
utACK ad57fb7
achow101:
ACK ad57fb756b1c2df625790bd9c296ec28daa93740
theStack:
utACK ad57fb756b1c2df625790bd9c296ec28daa93740
meshcollider:
Code review ACK ad57fb756b1c2df625790bd9c296ec28daa93740
Tree-SHA512: 99cd7d836bffbdeb3d4e14053f7139cc85a6d42e631a3f9a3058a848042446b364faee127500f5acb374616e6a61ab2bedebfac1ba9bc993b4d6227114c2a6c2
1fca9811e1331ac5dae8188f6178cc37da4929a7 lint: Skip whitespace lint for guix patches (Carl Dong)
a91c46c57d88fc399432afab7bb0fb14c3e490a7 guix: Make nsis reproducible by respecting SOURCE-DATE-EPOCH (Carl Dong)
Pull request description:
```
When building nsis, if VERSION is not specified, it defaults to
cvs_version which is non-deterministic as it includes the current date.
This patches nsis to default to SOURCE_DATE_EPOCH if it exists so that
nsis is reproducible.
Upstream change: https://github.com/kichik/nsis/pull/13
```
Sidenote: also a good demonstration of how Guix allows us to flexibly patch our tools!
Note to reviewers: if you want to compare hashes, please build after Jan 16th 2021 without my substitute server enabled!
ACKs for top commit:
fanquake:
ACK 1fca9811e1331ac5dae8188f6178cc37da4929a7
Tree-SHA512: b800e0ce5f73827ad353739effb9167ec3a6bdb362c725ae20dd3f025ce78660f85c70ce1d75cd0896facf1e8fe38a9e058459ed13dec71ab3a2fe41e20eaa5d
ea0a7ec949f0f7e212f0d8819f7a54cad2258bdd Remove deprecated bumpfee behavior (Andrew Chow)
Pull request description:
Removes the deprecation message, behavior, and test.
This was marked for removal in 22.0.
ACKs for top commit:
promag:
ACK ea0a7ec949f0f7e212f0d8819f7a54cad2258bdd, maybe add need release notes tag.
Tree-SHA512: d1626906849f6ee37213c32e5f8c1433ad8fb7beabcd88f5801b1964b322171a2341bdfbd9a3a5ab39b2fd9d9c6a05f73298583423a73cab1275653105c03e8e
92370033a2606ee88f4d080193e0bf6da481dc2e contrib: embed C++11 patch in install_db4.sh (jackielove4u)
Pull request description:
This is a continuation of https://github.com/bitcoin/bitcoin/pull/20665.
Closes#20722.
ACKs for top commit:
laanwj:
ACK 92370033a2606ee88f4d080193e0bf6da481dc2e
fanquake:
ACK 92370033a2606ee88f4d080193e0bf6da481dc2e.
Tree-SHA512: ebfd16f5301158de1acc1b8eeca43b3d94f0a6d438832133a30648e5e8a88268b4af983be0bb57f3018e3af8459f32f0de676c1b4e8942e199a4497c776631c5
Also clean up and better comment the function. InactivityChecks() uses a
mixture of (non-mockable) system time and mockable time. Make sure
that's well documented.
Despite being marked as const in CConnman before this commit, the
function did mutate the state of the passed in CNode, which is contained
in vNodes, which is a member of CConnman. To make the function truly
const in CConnman and all its data, instead make InactivityChecks() a
pure function, return whether the peer should be disconnected, and let
the calling function (SocketHandler()) update the CNode object. Also
make the CNode& argument const.
22eb7930a6ae021438aa0b8e750170534944f296 tracing: add tracing framework (William Casarin)
933ab8a720cb9b3341adec4109cffb6dc5b322a5 build: detect sys/sdt.h for eBPF tracing (William Casarin)
Pull request description:
Instead of writing ad-hoc logging everywhere (eg: #19509), we can take advantage of linux user static defined traces, aka. USDTs ( not the stablecoin 😅 )
The linux kernel can hook into these tracepoints at runtime, but otherwise they have little to no performance impact. Traces can pass data which can be printed externally via tools such as bpftrace. For example, here's one that prints incoming and outgoing network messages:
# Examples
## Network Messages
```
#!/usr/bin/env bpftrace
BEGIN
{
printf("bitcoin net msgs\n");
@start = nsecs;
}
usdt:./src/bitcoind:net:push_message
{
$ip = str(arg0);
$peer_id = (int64)arg1;
$command = str(arg2);
$data_len = arg3;
$data = buf(arg3,arg4);
$t = (nsecs - @start) / 100000;
printf("%zu outbound %s %s %zu %d %r\n", $t, $command, $ip, $peer_id, $data_len, $data);
@outbound[$command]++;
}
usdt:./src/bitcoind:net:process_message
{
$ip = str(arg0);
$peer_id = (int64)arg1;
$command = str(arg2);
$data_len = arg3;
$data = buf(arg3,arg4);
$t = (nsecs - @start) / 100000;
printf("%zu inbound %s %s %zu %d %r\n", $t, $command, $ip, $peer_id, $data_len, $data);
@inbound[$ip, $command]++;
}
```
$ sudo bpftrace netmsg.bt
output: https://jb55.com/s/b11312484b601fb3.txt
if you look at the bottom of the output you can see a histogram of all the messages grouped by message type and IP. nice!
## IBD Benchmarking
```
#!/usr/bin/env bpftrace
BEGIN
{
printf("IBD to 500,000 bench\n");
}
usdt:./src/bitcoind:CChainState:ConnectBlock
{
$height = (uint32)arg0;
if ($height == 1) {
printf("block 1 found, starting benchmark\n");
@start = nsecs;
}
if ($height >= 500000) {
@end = nsecs;
@duration = @end - @start;
exit();
}
}
END {
printf("duration %d ms\n", @duration / 1000000)
}
```
This one hooks into ConnectBlock and prints the IBD time to height 500,000 starting from the first call to ConnectBlock
Userspace static tracepoints give lots of flexibility without invasive logging code. It's also more flexible than ad-hoc logging code, allowing you to instrument many different aspects of the system without having to enable per-subsystem logging.
Other ideas: tracepoints for lock contention, threads, what else?
Let me know what ya'll think and if this is worth adding to bitcoin.
## TODO
- [ ] docs?
- [x] Integrate systemtap-std-dev/libsystemtap into build (provides the <sys/sdt.h> header)
- [x] ~dtrace macos support? (is this still a thing?)~ going to focus on linux for now
ACKs for top commit:
laanwj:
Tested ACK 22eb7930a6ae021438aa0b8e750170534944f296
0xB10C:
Tested ACK 22eb7930a6ae021438aa0b8e750170534944f296
Tree-SHA512: 69242242112b679c8a12a22b3bc50252c305894fb3055ae6e13d5f56221d858e58af1d698af55e23b69bdb7abedb5565ac6b45fa5144087b77a17acd04646a75
2c403279e2f0f7c8c27c56d4e7b0573c59571f0a gitian: Remove codesign_allocate and pagestuff from MacOS build (Andrew Chow)
f55eed251488d70d5e2e3a2965a4f8ec0c476853 gitian: use signapple to create the MacOS code signature (Andrew Chow)
95b06d21852b28712db6c710e420a58bdc1a0944 gitian: use signapple to apply the MacOS code signature (Andrew Chow)
42bb1ea363286b088257cabccb686ef1887c1d3b gitian: install signapple in gitian-osx-signer.yml (Andrew Chow)
Pull request description:
The MacOS code signing issues that were encountered during the 0.21.0 release cycle have shown that it is necessary for us to use a code signing tool for which the source code is available and modifiable by us. Given that there appears to not be such a tool available, I have written such a tool, [signapple](https://github.com/achow101/signapple), that we can use. This tool is able to create a valid MacOS code signature, detach it in a way that we were doing previously, and attach it to the unsigned binary. This tool can also verify that the signature is correct.
This PR implements the usage of that tool in the gitian build for the code signed MacOS binary. The code signer will use this tool to create the detached signature. Gitian builders will use this tool to apply the detached signature. The `gitian-osx-signer.yml` descriptor has been modified to install this tool so that the `detached-sig-apply.sh` script can use it. Additionally, the `codesign_allocate` and `pagestuff` tools are no longer necessary so they are no longer added to the tarball used in code signing. Lastly, both the `detached-sig-create.sh` and `detached-sig-apply.sh` scripts are made to be significantly less complex and to not do unexpected things such as unpacking an already unpacked tarball.
The detached code signature that signapple creates is almost identical to that which we were previously creating. The only difference is that the cpu architecture name is included in the extension (e.g. we have `bitcoin-qt.x86_64sign` instead of `bitcoin-qt.sign`). This was done in order to support signing universal binaries which we may want to do in the future. However signapple can still apply existing code signatures as it will accept the `.sign` extension. If it is desired, it can be modified to produce signatures with just the `.sign` extension. However I do not think it is necessary to maintain compatibility with the old process.
ACKs for top commit:
laanwj:
Code review ACK 2c403279e2f0f7c8c27c56d4e7b0573c59571f0a
Tree-SHA512: 2a0e01e9133f8859b9de26e7e8fe1d2610d2cbdee2845e6008b12c083c7e3622cbb2d9b83c50a269e2c3074ab95914a8225d3cd4108017f58b77a62bf10951e0
9d026546778629472574b26fa73338efc63d02da doc: Fix systemd spelling and link to doc/init.md (Hennadii Stepanov)
601778c3107adbd8d96eb0bb5c16a9d0a4b81594 script: Add Documentation key to bitcoind.service (Hennadii Stepanov)
d9392b724cae53b7a16fa5f84ebe152eea496502 script: Improve robustness of bitcoind.service on startup (Hennadii Stepanov)
Pull request description:
If network interfaces are not properly up the following happens:
```
...
2021-01-08T10:17:11Z scheduler thread start
2021-01-08T10:17:11Z libevent: getaddrinfo: address family for nodename not supported
2021-01-08T10:17:11Z Binding RPC on address 127.0.0.1 port 8332 failed.
2021-01-08T10:17:11Z HTTP: creating work queue of depth 16
2021-01-08T10:17:11Z Using random cookie authentication.
2021-01-08T10:17:11Z Generated RPC authentication cookie /var/lib/bitcoind/.cookie
2021-01-08T10:17:11Z HTTP: starting 2 worker threads
2021-01-08T10:17:11Z init message: Loading banlist...
2021-01-08T10:17:11Z SetNetworkActive: true
2021-01-08T10:17:11Z Error: Cannot resolve -externalip address: <EDITED>
2021-01-08T10:17:11Z Shutdown: In progress...
2021-01-08T10:17:11Z scheduler thread exit
2021-01-08T10:17:11Z Shutdown: done
```
This PR improves robustness on startup in such cases in documented way:
https://www.freedesktop.org/wiki/Software/systemd/NetworkTarget/
Also minor doc improvements are added.
ACKs for top commit:
Sjors:
ACK 9d02654
practicalswift:
ACK 9d026546778629472574b26fa73338efc63d02da: patch looks correct
darosior:
ACK 9d026546778629472574b26fa73338efc63d02da -- been using the first patch too
Tree-SHA512: 38294f5682c09e6ea9008de7d7459098c920cf1b98ad8ef8a5d2ca01f2f781c0fec5591dc40ef36eeb19d94991b0c7fb7cb38c4e716bc7219875c9bcd0a55e1b
fa1d5e51374bce9607b429836bbd3fe059e3c78c test: Fix get_previous_releases.py for aarch64 (MarcoFalke)
Pull request description:
Otherwise it will fail with "Not sure which binary to download..."
ACKs for top commit:
laanwj:
Code review ACK fa1d5e51374bce9607b429836bbd3fe059e3c78c
Tree-SHA512: 0db71e898a431665757ce835016a4e05c629a95abc4a2951eac9bd9b5876ec3dc3d6f156d58565e2bcdf918cde4f2649183d4a58038ac13c705a7e914c0094d1
54ce4fac80689621dcbcc76169b2b00b179ee743 build: improve macro for testing -latomic requirement (fanquake)
2c010b9c56f069efad2b2c10bffaef4ed059736e add std::atomic include to bitcoin-util.cpp (fanquake)
Pull request description:
Since the merge of #19937, riscv builds have been failing, due to a link issue with [`std::atomic_exchange`](https://en.cppreference.com/w/cpp/atomic/atomic_exchange) in `bitcoin-util`:
```bash
CXXLD bitcoin-util
bitcoin_util-bitcoin-util.o: In function `grind_task':
/home/ubuntu/build/bitcoin/distsrc-riscv64-linux-gnu/src/bitcoin-util.cpp:98: undefined reference to `__atomic_exchange_1'
collect2: error: ld returned 1 exit status
```
We have a [macro](https://github.com/bitcoin/bitcoin/blob/master/build-aux/m4/l_atomic.m4) that tries to determine when `-latomic` is required, however it doesn't quite work well enough, as it's currently determining it isn't needed:
```bash
./autogen.sh
./configure --prefix=/home/ubuntu/bitcoin/depends/riscv64-linux-gnu
...
checking whether std::atomic can be used without link library... yes
```
This PR adds a call to `std::atomic_exchange` to the macro, which will get us properly linked against `-latomic` on riscv:
```bash
checking whether std::atomic can be used without link library... no
checking whether std::atomic needs -latomic... yes
```
Also adds an `<atomic>` include to `bitcoin-util.cpp`.
ACKs for top commit:
laanwj:
Tested ACK 54ce4fac80689621dcbcc76169b2b00b179ee743
Tree-SHA512: 963c875097ee96b131163ae8109bcf8fecf4451d20faa2f3d223f9938ea3d8d1ed5604e12ad82c2b4b1c605fd293a9b6b08fefc00dd3e68d09c49e95029c6f50
