channel_id, where the
node_idrepresents the public node and the
channel_idrepresents the private channel. The
channel_idis meaningless to the payer of the invoice but is recognizable to the public node, as it is privately connected to the node that generated the invoice. By specifying numerous routing hints in an invoice, users can increase the likelihood that a paying node can find a successful path to the receiver.
lncli decodepayreq <invoice>.