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eth/protocols/snap: comment clarification

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jonny rhea 2026-07-09 11:50:08 -05:00
parent fc2fcbbe57
commit 7a45fc2ab1
1 changed files with 3 additions and 0 deletions
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3
eth/protocols/snap/syncv2.go
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@ -564,6 +564,9 @@ func (s *syncerV2) Sync(target *types.Header, cancel chan struct{}) error {
// If the pivot of a completed sync was already committed, full sync has
// been mutating the flat state since. Nothing here can be resumed or
// rolled forward, snap sync was re-enabled, so wipe and start fresh.
// newSyncerV2 already drops such a journal on load, so this branch only
// fires for an in-process re-enable, where the syncer was built before
// the sync completed so the load-time check never saw a committed journal.
// Same-pivot retries return through the skip above on purpose, a cycle
// that dies right after the commit just needs to recommit.
if prevPivot != nil && s.getPhase() == phaseComplete && isPivotCommitted(s.db, prevPivot) {