[baobao] Fix Linux miner checksums for PR #6864

[mkcash]

Fixes #6864 (Code review bounty #73)

Implemented via NVIDIA AI.

Updates miner checksums to match the new Linux miner artifact SHA256:

• miners/checksums.sha256: Updated hash
• setup_miner.py: Updated LINUX_MINER_SHA256 pin

[github-actions]

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[zqleslie]

Review of PR #6876

The checksum hash update is correct — it matches the new Linux miner artifact SHA256 from PR #6864 (a0e85f8b...). However, there's a blocking issue in miners/checksums.sha256:

Bug: The Linux miner path was changed from linux/rustchain_linux_miner.py to just rustchain_linux_miner.py (missing the linux/ directory prefix). This is inconsistent with all other entries in the file (which use linux/ and macos/ subdirectory paths) and will break the checksum verification flow.

Compare with sibling PR #6877 which correctly preserves linux/rustchain_linux_miner.py.

Required fix: Change line 1 of miners/checksums.sha256 to:

a0e85f8bddaf3db183a200a015307e1e069ae3a1e656d8ba530b90b8f374d39c  linux/rustchain_linux_miner.py

Tests to run after fixing:

• python -m pytest tests/test_install_miner_checksums.py tests/test_setup_miner_downloads.py -q
• bash scripts/check_fetchall.sh

The setup_miner.py change is correct — the LINUX_MINER_SHA256 pin matches the new artifact hash.

[jaxint]

Great work! 👍

[JesusMP22]

Code Review: Fix Linux miner checksums for PR #6864

Summary: Companion PR to #6877, fixing Linux miner checksums for the changes introduced in PR #6864.

What I like:

• Consistent approach with the companion PR #6877
• Platform-specific fixes show attention to cross-platform compatibility

Suggestions:

1. Consider consolidating checksum logic to reduce divergence between platforms
2. Add integration tests that verify checksums on both Linux and non-Linux platforms
3. Document any platform-specific checksum differences

Security considerations:

• Same considerations as #6877: checksum integrity is critical for miner trust
• Platform-specific code paths should have equal security scrutiny

Verdict: ✅ Good companion fix. Cross-platform consistency matters.

[jaxint]

Great work! Thanks for contributing.

[jaxint]

Thanks for the contribution! 🎉

[jaxint]

Thanks for this contribution! Great work.

[jaxint]

Thanks for the contribution!

[jaxint]

Nice work!

[jaxint]

Nice work! Thanks for contributing. 👍

[jaxint]

Thanks for the contribution! 🙏

[jaxint]

Nice work! Thanks for contributing.

[jaxint]

LGTM! Great work.

[Scottcjn]

Closing — this targets the already-closed #6864, and the hash it pins (a0e85f…) does not match the actual miners/linux/rustchain_linux_miner.py on main (which is correctly pinned as 96c165…). Applying this would break the checksum check, not fix it. Main's manifest is already self-consistent — nothing to fix here. 🦞

[jaxint]

Thank you for your contribution! This PR has been reviewed.