fix(slasher): handle multiple blocks per slot in epoch prune watcher#20088
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PhilWindle merged 1 commit intonextfrom Feb 4, 2026
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fix(slasher): handle multiple blocks per slot in epoch prune watcher#20088PhilWindle merged 1 commit intonextfrom
PhilWindle merged 1 commit intonextfrom
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Update to e2e test pending.
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…20088) Update to e2e test pending.
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Slide 19 (§4 insights · PR correlation): two-column layout showing which PRs caused each weekly flake spike and which fixes produced each recovery: Spikes: - W02 (2,647 flakes): Santiago refactors #19532/#19509/#19564 exposed timing races across p2p/epoch simultaneously - W04 (935 flakes): PhilWindle #19982 added cross-chain mbps tests without pre-deflaking — valid_epoch_pruned_slash 0→346 events - W06 (850 flakes): three high-risk PRs merged same day (#20047 peer scoring, #20241 max checkpoints→32, #20257 hash constants) Fixes: - W03 recovery: Santiago #19914 — checkpointed chain tip for PXE (root fix; PXE was using latest not checkpointed block) - W05 recovery: Santiago #20088 slasher multi-block fix + #20140 discv5 deflake + GCP step-down (−6 testbed namespaces) - W07 improvement: Santiago #20351 mbps fix (p2p_client 311→0), #20462 remove hardcoded 10s timeout, ludamad #20613 CI parallelism Also: correct three factual errors spotted during full review — - Summary: next P50 is growing (+10% in 3 weeks), not stable - Flake trend W07 note: e2e-p2p-epoch-flakes dropped 373×, not just "251 flakes lowest since December" - Gaps slide: replaced stale "ci_phases broken" card with GCP egress costs gap (bc→awk fix is deployed; egress attribution is the gap now)
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Update to e2e test pending.