use crate::ln::msgs::{ChannelMessageHandler, DecodeError, LightningError};
#[cfg(test)]
use crate::ln::outbound_payment;
-use crate::ln::outbound_payment::{Bolt12PaymentError, OutboundPayments, PaymentAttempts, PendingOutboundPayment, SendAlongPathArgs, StaleExpiration};
+use crate::ln::outbound_payment::{OutboundPayments, PaymentAttempts, PendingOutboundPayment, SendAlongPathArgs, StaleExpiration};
use crate::ln::wire::Encode;
use crate::offers::invoice::{BlindedPayInfo, Bolt12Invoice, DEFAULT_RELATIVE_EXPIRY, DerivedSigningPubkey, ExplicitSigningPubkey, InvoiceBuilder, UnsignedBolt12Invoice};
use crate::offers::invoice_error::InvoiceError;
use core::ops::Deref;
// Re-export this for use in the public API.
-pub use crate::ln::outbound_payment::{PaymentSendFailure, ProbeSendFailure, Retry, RetryableSendFailure, RecipientOnionFields};
+pub use crate::ln::outbound_payment::{Bolt12PaymentError, PaymentSendFailure, ProbeSendFailure, Retry, RetryableSendFailure, RecipientOnionFields};
use crate::ln::script::ShutdownScript;
// We hold various information about HTLC relay in the HTLC objects in Channel itself:
self.pending_outbound_payments.test_set_payment_metadata(payment_id, new_payment_metadata);
}
- pub(super) fn send_payment_for_bolt12_invoice(&self, invoice: &Bolt12Invoice, payment_id: PaymentId) -> Result<(), Bolt12PaymentError> {
+ /// Pays the [`Bolt12Invoice`] associated with the `payment_id` encoded in its `payer_metadata`.
+ ///
+ /// The invoice's `payer_metadata` is used to authenticate that the invoice was indeed requested
+ /// before attempting a payment. [`Bolt12PaymentError::UnexpectedInvoice`] is returned if this
+ /// fails or if the encoded `payment_id` is not recognized. The latter may happen once the
+ /// payment is no longer tracked because the payment was attempted after:
+ /// - an invoice for the `payment_id` was already paid,
+ /// - one full [timer tick] has elapsed since initially requesting the invoice when paying an
+ /// offer, or
+ /// - the refund corresponding to the invoice has already expired.
+ ///
+ /// To retry the payment, request another invoice using a new `payment_id`.
+ ///
+ /// Attempting to pay the same invoice twice while the first payment is still pending will
+ /// result in a [`Bolt12PaymentError::DuplicateInvoice`].
+ ///
+ /// Otherwise, either [`Event::PaymentSent`] or [`Event::PaymentFailed`] are used to indicate
+ /// whether or not the payment was successful.
+ ///
+ /// [timer tick]: Self::timer_tick_occurred
+ pub fn send_payment_for_bolt12_invoice(&self, invoice: &Bolt12Invoice) -> Result<(), Bolt12PaymentError> {
+ let secp_ctx = &self.secp_ctx;
+ let expanded_key = &self.inbound_payment_key;
+ match invoice.verify(expanded_key, secp_ctx) {
+ Ok(payment_id) => self.send_payment_for_verified_bolt12_invoice(invoice, payment_id),
+ Err(()) => Err(Bolt12PaymentError::UnexpectedInvoice),
+ }
+ }
+
+ fn send_payment_for_verified_bolt12_invoice(&self, invoice: &Bolt12Invoice, payment_id: PaymentId) -> Result<(), Bolt12PaymentError> {
let best_block_height = self.best_block.read().unwrap().height;
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
self.pending_outbound_payments
};
match response {
- Ok(invoice) => return responder.respond(OffersMessage::Invoice(invoice)),
- Err(error) => return responder.respond(OffersMessage::InvoiceError(error.into())),
+ Ok(invoice) => responder.respond(OffersMessage::Invoice(invoice)),
+ Err(error) => responder.respond(OffersMessage::InvoiceError(error.into())),
}
},
OffersMessage::Invoice(invoice) => {
- let response = invoice
- .verify(expanded_key, secp_ctx)
- .map_err(|()| InvoiceError::from_string("Unrecognized invoice".to_owned()))
- .and_then(|payment_id| {
+ let result = match invoice.verify(expanded_key, secp_ctx) {
+ Ok(payment_id) => {
let features = self.bolt12_invoice_features();
if invoice.invoice_features().requires_unknown_bits_from(&features) {
Err(InvoiceError::from(Bolt12SemanticError::UnknownRequiredFeatures))
+ } else if self.default_configuration.manually_handle_bolt12_invoices {
+ let event = Event::InvoiceReceived { payment_id, invoice, responder };
+ self.pending_events.lock().unwrap().push_back((event, None));
+ return ResponseInstruction::NoResponse;
} else {
- self.send_payment_for_bolt12_invoice(&invoice, payment_id)
+ self.send_payment_for_verified_bolt12_invoice(&invoice, payment_id)
.map_err(|e| {
log_trace!(self.logger, "Failed paying invoice: {:?}", e);
InvoiceError::from_string(format!("{:?}", e))
})
}
- });
+ },
+ Err(()) => Err(InvoiceError::from_string("Unrecognized invoice".to_owned())),
+ };
- match (responder, response) {
- (Some(responder), Err(e)) => responder.respond(OffersMessage::InvoiceError(e)),
- (None, Err(_)) => {
- log_trace!(
- self.logger,
- "A response was generated, but there is no reply_path specified for sending the response."
- );
- return ResponseInstruction::NoResponse;
- }
- _ => return ResponseInstruction::NoResponse,
+ match result {
+ Ok(()) => ResponseInstruction::NoResponse,
+ Err(e) => match responder {
+ Some(responder) => responder.respond(OffersMessage::InvoiceError(e)),
+ None => {
+ log_trace!(self.logger, "No reply path for sending invoice error: {:?}", e);
+ ResponseInstruction::NoResponse
+ },
+ },
}
},
OffersMessage::InvoiceError(invoice_error) => {
log_trace!(self.logger, "Received invoice_error: {}", invoice_error);
- return ResponseInstruction::NoResponse;
+ ResponseInstruction::NoResponse
},
}
}
projects / rust-lightning / blobdiff