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Use nil suggestedLowHash if selected parent pruning point is not in the future of the current one (#1972)

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Co-authored-by: stasatdaglabs <39559713+stasatdaglabs@users.noreply.github.com>
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Ori Newman 2022-03-13 17:22:03 +02:00 committed by GitHub
parent c81506220b
commit 7a95f0c7a4
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1 changed files with 9 additions and 1 deletions
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10
domain/consensus/processes/pruningmanager/pruningmanager.go
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@ -1009,7 +1009,15 @@ func (pm *pruningManager) ExpectedHeaderPruningPoint(stagingArea *model.StagingA
}
if hasReachabilityData {
suggestedLowHash = selectedParentHeader.PruningPoint()
// nextPruningPointAndCandidateByBlockHash needs suggestedLowHash to be in the future of the pruning point because
// otherwise reachability selected chain data is unreliable.
isInFutureOfCurrentPruningPoint, err := pm.dagTopologyManager.IsAncestorOf(stagingArea, pruningPoint, selectedParentHeader.PruningPoint())
if err != nil {
return nil, err
}
if isInFutureOfCurrentPruningPoint {
suggestedLowHash = selectedParentHeader.PruningPoint()
}
}
nextOrCurrentPruningPoint, _, err = pm.nextPruningPointAndCandidateByBlockHash(stagingArea, blockHash, suggestedLowHash)