def findRequestablePeers(classifiedPeers)
      result = []

      classifiedPeers.establishedPeers.each do |peer|
        result.push peer if ! @badPeers.findByAddr(peer.trackerPeer.ip, peer.trackerPeer.port)
      end

      result
    end
def findRequestablePeers(classifiedPeers)
      result = []

      classifiedPeers.establishedPeers.each do |peer|
        result.push peer if ! @badPeers.findByAddr(peer.trackerPeer.ip, peer.trackerPeer.port)
      end

      result
    end
Return a list of peers from whom we can request pieces. These are peers for whom we have an established connection, and
 are not marked as bad. See markPeerBad.