Fix duplicate data columns in DataColumnsByRange responses#8843
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mergify[bot] merged 5 commits intosigp:release-v8.1from Feb 18, 2026
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@jimmygchen Just needs a cargo fmt |
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Thanks @michaelsproul! We really should merge this lol |
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Looks good. Test logic makes sense (request 1 column over a range of slots -> block roots should be unique).
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Description
Fix a regression introduced in #8682 where
get_block_roots_from_storereturns duplicate block roots for skip slots, causing duplicate data columns to be served inDataColumnsByRangeresponses. Peers receiving these duplicates downscore the node withDuplicatedDataerrors.The return type was changed from
Vec<Hash256>toVec<(Hash256, Slot)>, but.unique()on tuples no longer deduplicates correctly because skip slots share the same block root but have different slots. Fix by using.unique_by(|(root, _)| *root).Closes #8842