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Add User-Agent header to validator client HTTP requests#8481

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jimmygchen wants to merge 2 commits into
sigp:unstablefrom
jimmygchen:feat-validator-user-agent
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Add User-Agent header to validator client HTTP requests#8481
jimmygchen wants to merge 2 commits into
sigp:unstablefrom
jimmygchen:feat-validator-user-agent

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@jimmygchen

@jimmygchen jimmygchen commented Nov 27, 2025

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Issue Addressed

Closes #7963

Proposed Changes

Adds a User-Agent HTTP header to validator client requests to beacon nodes. The header format is Lighthouse/v<version>-<commit> (e.g., Lighthouse/v8.0.0-67da032).

This helps distributed validator middleware operators identify what their peers are running, similar to how Prysm already implements this.

  Implements identification of Lighthouse validator client in HTTP requests
  to beacon nodes using User-Agent header with format 'Lighthouse/v<version>'.

  This helps distributed validator middleware operators identify what their
  peers are running.

  Fixes sigp#7963
@jimmygchen jimmygchen marked this pull request as ready for review November 27, 2025 14:07
@jimmygchen jimmygchen added the duplicate This issue or pull request already exists label Nov 28, 2025
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Ah I've just realise this has already been implemented in #7990
I've re-open the issue, and might close this one if we go with the other implementation.

@jimmygchen

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superceded by #8786

@jimmygchen jimmygchen closed this Feb 10, 2026
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