lighthouse/.github/custom/clippy.toml
Michael Sproul 1d016a83f2 Lint against panicky calls in async functions (#3250)
## Description

Add a new lint to CI that attempts to detect calls to functions like `block_on` from async execution contexts. This lint was written from scratch exactly for this purpose, on my fork of Clippy: https://github.com/michaelsproul/rust-clippy/tree/disallow-from-async

## Additional Info

- I've successfully detected the previous two issues we had with `block_on` by running the linter on the commits prior to each of these PRs: https://github.com/sigp/lighthouse/pull/3165, https://github.com/sigp/lighthouse/pull/3199.
- The lint runs on CI with `continue-on-error: true` so that if it fails spuriously it won't block CI.
- I think it would be good to merge this PR before https://github.com/sigp/lighthouse/pull/3244 so that we can lint the extensive executor-related changes in that PR.
- I aim to upstream the lint to Clippy, at which point building a custom version of Clippy from my fork will no longer be necessary. I imagine this will take several weeks or months though, because the code is currently a bit hacky and will need some renovations to pass review.
2022-06-10 04:29:27 +00:00

22 lines
871 B
TOML

disallowed-from-async-methods = [
"tokio::runtime::Handle::block_on",
"tokio::runtime::Runtime::block_on",
"tokio::task::LocalSet::block_on",
"tokio::sync::Mutex::blocking_lock",
"tokio::sync::RwLock::blocking_read",
"tokio::sync::mpsc::Receiver::blocking_recv",
"tokio::sync::mpsc::UnboundedReceiver::blocking_recv",
"tokio::sync::oneshot::Receiver::blocking_recv",
"tokio::sync::mpsc::Sender::blocking_send",
"tokio::sync::RwLock::blocking_write",
]
async-wrapper-methods = [
"tokio::runtime::Handle::spawn_blocking",
"task_executor::TaskExecutor::spawn_blocking",
"task_executor::TaskExecutor::spawn_blocking_handle",
"warp_utils::task::blocking_task",
"warp_utils::task::blocking_json_task",
"validator_client::http_api::blocking_signed_json_task",
"execution_layer::test_utils::MockServer::new",
]