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rpcserver+invoicesrpc: set payment addr on new invoices

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This commit modifies Lighting.AddInvoice and InvoicesRPC.AddHoldInvoice
to include the node's supported feature bits on the invoice. For now
this only includes the optional TLV Onion Payload bit.
This commit is contained in:
Conner Fromknecht 2019-12-05 07:59:31 -08:00
parent df72097f2d
commit cd27ee7cfc
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1 changed files with 10 additions and 0 deletions
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10
lnrpc/invoicesrpc/addinvoice.go
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@ -370,6 +370,15 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig,
)
options = append(options, zpay32.Features(invoiceFeatures))
// Generate and set a random payment address for this invoice. If the
// sender understands payment addresses, this can be used to avoid
// intermediaries probing the receiver.
var paymentAddr [32]byte
if _, err := rand.Read(paymentAddr[:]); err != nil {
return nil, nil, err
}
options = append(options, zpay32.PaymentAddr(paymentAddr))
// Create and encode the payment request as a bech32 (zpay32) string.
creationDate := time.Now()
payReq, err := zpay32.NewInvoice(
@ -397,6 +406,7 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig,
Expiry: payReq.Expiry(),
Value: amtMSat,
PaymentPreimage: paymentPreimage,
PaymentAddr: paymentAddr,
Features: invoiceFeatures,
},
}