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[Merged by Bors] - Allow setting web3signer version through environment #3368

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@philipmw philipmw commented Jul 23, 2022 •
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Issue Addressed

#3369

Proposed Changes

The goal is to make it possible to build Lighthouse without network access,
so builds can be reproducible.

This parallels the existing functionality in common/deposit_contract/build.rs,
which allows specifying a filename through the environment to avoid downloading
it. In this case, by specifying the version and making it available on the
filesystem, the existing logic will avoid a network download.

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CLAassistant commented Jul 23, 2022 •
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@michaelsproul michaelsproul changed the base branch from stable to unstable July 26, 2022 00:35
@michaelsproul michaelsproul added the waiting-on-author The reviewer has suggested changes and awaits thier implementation. label Jul 26, 2022
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Thanks for the PR @philipmw. I think we'll be able to merge this soon, but it needs a cargo-fmt fix first

@philipmw philipmw force-pushed the env-var branch 2 times, most recently from 3a46e84 to 481d4bd Compare July 26, 2022 02:22
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Thanks for the review, @michaelsproul. I fixed the formatting and updated the request.

@michaelsproul michaelsproul added ready-for-review The code is ready for review and removed waiting-on-author The reviewer has suggested changes and awaits thier implementation. labels Jul 26, 2022
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Hmm, I see my change is causing a CI failure. I am not familiar with Rust. I'll try to fix it, but meanwhile if you know how to solve this, I'd appreciate a tip.

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michaelsproul commented Jul 26, 2022 •
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I think you should add the condition here:

lighthouse/testing/web3signer_tests/build.rs

Lines 30 to 32 in 21dec6f

let version = if let Some(version) = FIXED_VERSION_STRING {
version.to_string()
} else {

The env::var function can't be evaluated inside a const. You could add a branch after the FIXED_VERSION_STRING check like } else if let Ok(env_version) = env::var("LIGHTHOUSE_WEB3SIGNER_VERSION") { }. You'll also need to use OsString::into_string to convert to UTF-8 (you can call unwrap to panic on error, seeing as this is a build script).

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Thanks for the tip! I rewrote it as you suggest.

michaelsproul
michaelsproul reviewed Jul 26, 2022
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@philipmw
Allow setting web3signer version through environment (sigp#3369)
cfdcc29 
The goal is to make it possible to build Lighthouse without network access,
so builds can be reproducible.

This parallels the existing functionality in `common/deposit_contract/build.rs`,
which allows specifying a filename through the environment to avoid downloading
it. In this case, by specifying the version and making it available on the
filesystem, the existing logic will avoid a network download.
@michaelsproul michaelsproul added ready-for-merge This PR is ready to merge. and removed ready-for-review The code is ready for review labels Jul 27, 2022
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bors r+

bors bot pushed a commit that referenced this pull request Jul 27, 2022
@philipmw
Allow setting web3signer version through environment (#3368)
cf3bcca 
## Issue Addressed

#3369 

## Proposed Changes

The goal is to make it possible to build Lighthouse without network access,
so builds can be reproducible.

This parallels the existing functionality in `common/deposit_contract/build.rs`,
which allows specifying a filename through the environment to avoid downloading
it. In this case, by specifying the version and making it available on the
filesystem, the existing logic will avoid a network download.
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bors bot commented Jul 27, 2022

Pull request successfully merged into unstable.

Build succeeded:

@bors bors bot changed the title Allow setting web3signer version through environment [Merged by Bors] - Allow setting web3signer version through environment Jul 27, 2022
@bors bors bot closed this Jul 27, 2022
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