func FilterPinned(pins pin.Pinner, out chan<- interface{}, cids []*cid.Cid) []*cid.Cid {
stillOkay := make([]*cid.Cid, 0, len(cids))
res, err := pins.CheckIfPinned(cids...)
if err != nil {
out <- &RemovedBlock{Error: fmt.Sprintf("pin check failed: %s", err)}
return nil
}
for _, r := range res {
if !r.Pinned() {
stillOkay = append(stillOkay, r.Key)
} else {
out <- &RemovedBlock{
Hash: r.Key.String(),
Error: r.String(),
}
}
}
return stillOkay
}
