Merge pull request #2656 from TheBlueMatt/2023-09-scoring-decay-timer

[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 0fbb0f5eaf4ccdeffd32d2a7c9d2aea20888273c..e1748dca7f2ac11978035b2b44c4b66f8a2973d0 100644 (file)
--- a/lightning/src/ln/outbound_payment.rs
+++ b/lightning/src/ln/outbound_payment.rs
@@ -728,7 +728,7 @@ impl OutboundPayments {
        {
                let preimage = payment_preimage
                        .unwrap_or_else(|| PaymentPreimage(entropy_source.get_secure_random_bytes()));
-               let payment_hash = PaymentHash(Sha256::hash(&preimage.0).into_inner());
+               let payment_hash = PaymentHash(Sha256::hash(&preimage.0).to_byte_array());
                self.send_payment_internal(payment_id, payment_hash, recipient_onion, Some(preimage),
                        retry_strategy, route_params, router, first_hops, inflight_htlcs, entropy_source,
                        node_signer, best_block_height, logger, pending_events, send_payment_along_path)
@@ -747,7 +747,7 @@ impl OutboundPayments {
        {
                let preimage = payment_preimage
                        .unwrap_or_else(|| PaymentPreimage(entropy_source.get_secure_random_bytes()));
-               let payment_hash = PaymentHash(Sha256::hash(&preimage.0).into_inner());
+               let payment_hash = PaymentHash(Sha256::hash(&preimage.0).to_byte_array());
                let onion_session_privs = self.add_new_pending_payment(payment_hash, recipient_onion.clone(),
                        payment_id, Some(preimage), &route, None, None, entropy_source, best_block_height)?;
 
@@ -1337,6 +1337,13 @@ impl OutboundPayments {
                                        continue 'path_check;
                                }
                        }
+                       for (i, hop) in path.hops.iter().enumerate() {
+                               // Check for duplicate channel_id in the remaining hops of the path
+                               if path.hops.iter().skip(i + 1).any(|other_hop| other_hop.short_channel_id == hop.short_channel_id) {
+                                       path_errs.push(Err(APIError::InvalidRoute{err: "Path went through the same channel twice".to_owned()}));
+                                       continue 'path_check;
+                               }
+                       }
                        total_value += path.final_value_msat();
                        path_errs.push(Ok(()));
                }
@@ -1463,7 +1470,7 @@ impl OutboundPayments {
                let mut pending_events = pending_events.lock().unwrap();
                if let hash_map::Entry::Occupied(mut payment) = outbounds.entry(payment_id) {
                        if !payment.get().is_fulfilled() {
-                               let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0).into_inner());
+                               let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0).to_byte_array());
                                log_info!(logger, "Payment with id {} and hash {} sent!", payment_id, payment_hash);
                                let fee_paid_msat = payment.get().get_pending_fee_msat();
                                pending_events.push_back((events::Event::PaymentSent {
@@ -1483,7 +1490,7 @@ impl OutboundPayments {
                                // TODO: We should have a second monitor event that informs us of payments
                                // irrevocably fulfilled.
                                if payment.get_mut().remove(&session_priv_bytes, Some(&path)) {
-                                       let payment_hash = Some(PaymentHash(Sha256::hash(&payment_preimage.0).into_inner()));
+                                       let payment_hash = Some(PaymentHash(Sha256::hash(&payment_preimage.0).to_byte_array()));
                                        pending_events.push_back((events::Event::PaymentPathSuccessful {
                                                payment_id,
                                                payment_hash,
@@ -1763,7 +1770,7 @@ fn probing_cookie_from_id(payment_id: &PaymentId, probing_cookie_secret: [u8; 32
        let mut preimage = [0u8; 64];
        preimage[..32].copy_from_slice(&probing_cookie_secret);
        preimage[32..].copy_from_slice(&payment_id.0);
-       PaymentHash(Sha256::hash(&preimage).into_inner())
+       PaymentHash(Sha256::hash(&preimage).to_byte_array())
 }
 
 impl_writeable_tlv_based_enum_upgradable!(PendingOutboundPayment,