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stage_headers: fix uint underflow at parent request (#10618) #482

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Aug 14, 2024
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3 changes: 3 additions & 0 deletions turbo/stages/headerdownload/header_algos.go
Original file line number Diff line number Diff line change
Expand Up @@ -383,6 +383,9 @@ func (hd *HeaderDownload) RequestMoreHeaders(currentTime time.Time) (*HeaderRequ
var penalties []PenaltyItem
var req *HeaderRequest
hd.anchorTree.Ascend(func(anchor *Anchor) bool {
if anchor.blockHeight == 0 { //has no parent
return true
}
if anchor.nextRetryTime.After(currentTime) {
// We are not ready to retry this anchor yet
dataflow.HeaderDownloadStates.AddChange(anchor.blockHeight-1, dataflow.HeaderRetryNotReady)
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