func NewGetHashesReqHandler(pm p2pcommon.PeerManager, peer p2pcommon.RemotePeer, logger *log.Logger, actor p2pcommon.ActorService) *getHashRequestHandler {
    bh := &getHashRequestHandler{BaseMsgHandler: BaseMsgHandler{protocol: p2pcommon.GetHashesRequest, pm: pm, peer: peer, actor: actor, logger: logger}}

    return bh
}