Interface InvoiceResponse

the bolt11 string

UNIX timestamp of when invoice expires

the hash of the payment_preimage which will prove payment

the payment_secret to place in the onion

even using all possible channels, there's not enough incoming capacity to pay this invoice.

there would be enough incoming capacity, but some channels are dead-ends (no other public channels from those peers), so there isn't.

there is sufficient capacity, but not in a single channel, so the payer will have to use multi-part payments.

there would be enough incoming capacity, but some channels are offline, so there isn't.

there would be enough incoming capacity, but some channels are unannounced and exposeprivatechannels is false, so there isn't.