[cherry-pick] [r3.4] snapcfg: load preverified hashes for single chain only#19786
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## Summary Part 3 of optimizing remote preverified hash loading (after #19641, #19722). - `LoadPreverified` now takes a `chainName` parameter and calls `LoadRemotePreverified` instead of the old bulk variant that fetched all 10 chains - Refactored `webseeds.Verify` to load preverified per-chain inside the iteration loop instead of bulk-loading all chains upfront - Removed unused functions: old bulk `LoadRemotePreverified`, `registry.All`, `registry.ResetRaw`, `GetAllCurrentPreverified` - Renamed `LoadRemotePreverifiedForChain` → `LoadRemotePreverified` since it's now the only variant ## Test plan - [x] Built `erigon` and `downloader` binaries - [x] Tested `erigon seg reset --dry-run` with mainnet and hoodi ephemeral datadirs - [x] Tested `downloader verify_webseeds --chain=chiado --preverified=embedded` to completion - [x] Verified only the requested chain is fetched (confirmed via log output) ## Tasks - [ ] Cherry-pick merge commit to `release/3.4`
wmitsuda
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AskAlexSharov,
Giulio2002 and
sudeepdino008
as code owners
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wmitsuda
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Mar 11, 2026
## Summary - Add skill that cleans up local worktrees and branches for merged GitHub PRs - Automatically handles cherry-pick instructions found in PR body (e.g., `- [ ] Cherry-pick merge commit to release/3.4`) - Creates cherry-pick PR, updates original PR to mark the task done ## Test plan - [x] Tested end-to-end against PR #19785 — worktree removed, branch deleted, cherry-pick PR #19786 created, original PR updated
AskAlexSharov
approved these changes
Mar 11, 2026
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Cherry-pick of #19785 (582f1fb) to release/3.4.