perlin9.go

// ... update the preference for ancestors
// [OT] This only loops over parents, not ancestors
for _, parentId := range tx.Body.Parents {
  mutex.RLock()
  parent := n.Transactions[parentId]
  conflicts := n.Conflicts[parent.Body.Utxo]
  mutex.RUnlock()
  parentScore, presentScore := n.Confidence(parent), n.Confidence(conflicts.Preferred)
  if parentScore > presentScore {
    conflicts.Preferred = parent
   } else if parent != conflicts.Last {
     conflicts.Last = parent
     conflicts.Count = 0
   } else {
     conflicts.Count++
   }
}