Support paying blinded paths.

[rust-lightning] / lightning / src / ln / outbound_payment.rs

diff --git a/lightning/src/ln/outbound_payment.rs b/lightning/src/ln/outbound_payment.rs
index 0cc9e7e0531fb3bb6d1bc0d7dd38bff274b8333e..5ea772e5d4ffbfb0b82c9fc19e014781e3219aa0 100644 (file)
--- a/lightning/src/ln/outbound_payment.rs
+++ b/lightning/src/ln/outbound_payment.rs
@@ -1234,7 +1234,9 @@ impl OutboundPayments {
                if route.paths.len() < 1 {
                        return Err(PaymentSendFailure::ParameterError(APIError::InvalidRoute{err: "There must be at least one path to send over".to_owned()}));
                }
-               if recipient_onion.payment_secret.is_none() && route.paths.len() > 1 {
+               if recipient_onion.payment_secret.is_none() && route.paths.len() > 1
+                       && !route.paths.iter().any(|p| p.blinded_tail.is_some())
+               {
                        return Err(PaymentSendFailure::ParameterError(APIError::APIMisuseError{err: "Payment secret is required for multi-path payments".to_owned()}));
                }
                let mut total_value = 0;
@@ -1245,10 +1247,6 @@ impl OutboundPayments {
                                path_errs.push(Err(APIError::InvalidRoute{err: "Path didn't go anywhere/had bogus size".to_owned()}));
                                continue 'path_check;
                        }
-                       if path.blinded_tail.is_some() {
-                               path_errs.push(Err(APIError::InvalidRoute{err: "Sending to blinded paths isn't supported yet".to_owned()}));
-                               continue 'path_check;
-                       }
                        let dest_hop_idx = if path.blinded_tail.is_some() && path.blinded_tail.as_ref().unwrap().hops.len() > 1 {
                                usize::max_value() } else { path.hops.len() - 1 };
                        for (idx, hop) in path.hops.iter().enumerate() {