// NewTube…
func NewTube(kin *tissue.Kin, topic string) *Tube {
t := &Tube{view: NewView()}
t.av = tissue.FolkAvatar{
X: circuit.PermRef(XTube{t}),
ID: lang.ComputeReceiverID(t),
}
t.folk = kin.Attach(topic, t.av)
go func() {
for {
// Consume identities of new downstream nodes
t.superscribe(t.folk.Replenish())
}
}()
return t
}
