func authClient(c *conn.Conn, d *connData) (step, error) {
var buf [16]byte
_, err := io.ReadFull(c, buf[:])
if err != nil {
return nil, err
}
//clientId := binary.BigEndian.Uint64(buf[:8])
id := binary.BigEndian.Uint64(buf[8:])
d.n = getNode(id)
if d.n == nil {
return nil, nodeNotFoundError(id)
}
c.SetKey(d.n.key)
c.WriteToHash(buf[:])
if err = c.CheckSig(); err != nil {
return nil, err
}
log.Info(fmt.Sprintf("client %s: authenticated node %d",
c.RemoteAddr(), id))
return recvLogs, c.ReceiveChallenge()
}
