code: func (view *UtxoViewpoint) LookupEntry(outpoint wire.OutPoint) *UtxoEntry {
  	return view.entries[outpoint]
  }
docs: // LookupEntry returns information about a given transaction output according to
  // the current state of the view.  It will return nil if the passed output does
  // not exist in the view or is otherwise not available such as when it has been
  // disconnected during a reorg.