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Feature gate arbitrary crate in the consensus types crate #7743

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Feature gate arbitrary crate in the consensus types crate #7743

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@ec2 ec2 commented Jul 14, 2025

Issue Addressed

Which issue # does this PR address?

Proposed Changes

Puts the arbitrary crate behind a feature flag in the types crate.

Additional Info

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or information useful for reviewers.

@michaelsproul michaelsproul added code-quality consensus An issue/PR that touches consensus code, such as state_processing or block verification. labels Jul 15, 2025
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michaelsproul reviewed Jul 15, 2025
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@michaelsproul michaelsproul added the backwards-incompat Backwards-incompatible API change label Jul 15, 2025
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michaelsproul commented Jul 15, 2025 •
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CI is failing because we've bumped the MSRV while fixing Clippy lints on Milhouse (somewhat inadvertently). It's fine, we just need to bump the MSRV here to 1.87.0 (I think this is when is_multiple_of was stabilised):

lighthouse/lighthouse/Cargo.toml

Line 7 in cfb1f73

rust-version = "1.83.0"

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ec2 commented Jul 15, 2025

CI is failing because we've bumped the MSRV while fixing Clippy lints on Milhouse (somewhat inadvertently). It's fine, we just need to bump the MSRV here to 1.87.0 (I think this is when is_multiple_of was stabilised):

lighthouse/lighthouse/Cargo.toml

Line 7 in cfb1f73

rust-version = "1.83.0"

fixed!

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@ec2 Still a few failing CI jobs.

Looks like network-tests is just flakyness, idk what's wrong with cargo-sort, but dockerfile-ubuntu should be fixed by bumping this:

lighthouse/Dockerfile

Line 1 in cfb1f73

FROM rust:1.84.0-bullseye AS builder

May as well go to 1.88 I think.

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ec2 commented Jul 17, 2025

@ec2 Still a few failing CI jobs.

Looks like network-tests is just flakyness, idk what's wrong with cargo-sort, but dockerfile-ubuntu should be fixed by bumping this:

lighthouse/Dockerfile

Line 1 in cfb1f73

FROM rust:1.84.0-bullseye AS builder

May as well go to 1.88 I think.

Both should be fixed now!

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ec2 commented Jul 18, 2025

@ec2 Still a few failing CI jobs.

Looks like network-tests is just flakyness, idk what's wrong with cargo-sort, but dockerfile-ubuntu should be fixed by bumping this:

lighthouse/Dockerfile

Line 1 in cfb1f73

FROM rust:1.84.0-bullseye AS builder

May as well go to 1.88 I think.

Looks like doppelganger-protection-success-test is flakey as well?

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Yeah, it can be. I've triggered a re-run

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ec2 commented Jul 18, 2025

There was conflicts with the base, so would love another rerun thanks

macladson
macladson reviewed Jul 22, 2025
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Looks good to me, just a small nit

consensus/types/src/contribution_and_proof.rs
Comment on lines +12 to +15
#[cfg_attr(
feature = "arbitrary",
derive(arbitrary::Arbitrary),
arbitrary(bound = "E: EthSpec")
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We should move this to underneath the comment

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Agree. @ec2 if you could turn on "allow maintainers to make changes to my PRs" setting this would help us get your changes merged faster.

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michaelsproul approved these changes Jul 23, 2025
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Approved modulo the small doc comment change that Mac requested.

@michaelsproul michaelsproul added the waiting-on-author The reviewer has suggested changes and awaits thier implementation. label Jul 23, 2025
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