for(peer_queue_t::iterator i=peers.begin(); i!=peers.end(); i++)
if (i->second==for_root) {
i->second = Sha1Hash::ZERO; // horror TODO rewrite
for(peer_queue_t::iterator i=peers.begin(); i!=peers.end(); i++)
if (i->second==for_root) {
i->second = Sha1Hash::ZERO; // horror TODO rewrite