let expected_fee = pass_claimed_payment_along_route(args);
expect_payment_sent(&nodes[0], payment_preimage, Some(Some(expected_fee)), true, true);
}
+
+#[test]
+fn blinded_keysend() {
+ let mut mpp_keysend_config = test_default_channel_config();
+ mpp_keysend_config.accept_mpp_keysend = true;
+ let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, Some(mpp_keysend_config)]);
+ let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0);
+ let chan_upd_1_2 = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1_000_000, 0).0.contents;
+
+ let amt_msat = 5000;
+ let (keysend_preimage, _, payment_secret) = get_payment_preimage_hash(&nodes[2], None, None);
+ let route_params = get_blinded_route_parameters(amt_msat, payment_secret, 1,
+ 1_0000_0000,
+ nodes.iter().skip(1).map(|n| n.node.get_our_node_id()).collect(),
+ &[&chan_upd_1_2], &chanmon_cfgs[2].keys_manager);
+
+ let payment_hash = nodes[0].node.send_spontaneous_payment_with_retry(Some(keysend_preimage), RecipientOnionFields::spontaneous_empty(), PaymentId(keysend_preimage.0), route_params, Retry::Attempts(0)).unwrap();
+ check_added_monitors(&nodes[0], 1);
+
+ let expected_route: &[&[&Node]] = &[&[&nodes[1], &nodes[2]]];
+ let mut events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+
+ let ev = remove_first_msg_event_to_node(&nodes[1].node.get_our_node_id(), &mut events);
+ pass_along_path(&nodes[0], expected_route[0], amt_msat, payment_hash, Some(payment_secret), ev.clone(), true, Some(keysend_preimage));
+ claim_payment_along_route(&nodes[0], expected_route, false, keysend_preimage);
+}
+
+#[test]
+fn blinded_mpp_keysend() {
+ let mut mpp_keysend_config = test_default_channel_config();
+ mpp_keysend_config.accept_mpp_keysend = true;
+ let chanmon_cfgs = create_chanmon_cfgs(4);
+ let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, Some(mpp_keysend_config)]);
+ let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
+
+ create_announced_chan_between_nodes(&nodes, 0, 1);
+ create_announced_chan_between_nodes(&nodes, 0, 2);
+ let chan_1_3 = create_announced_chan_between_nodes(&nodes, 1, 3);
+ let chan_2_3 = create_announced_chan_between_nodes(&nodes, 2, 3);
+
+ let amt_msat = 15_000_000;
+ let (keysend_preimage, _, payment_secret) = get_payment_preimage_hash(&nodes[3], None, None);
+ let route_params = {
+ let pay_params = PaymentParameters::blinded(
+ vec![
+ blinded_payment_path(payment_secret, 1, 1_0000_0000,
+ vec![nodes[1].node.get_our_node_id(), nodes[3].node.get_our_node_id()], &[&chan_1_3.0.contents],
+ &chanmon_cfgs[3].keys_manager
+ ),
+ blinded_payment_path(payment_secret, 1, 1_0000_0000,
+ vec![nodes[2].node.get_our_node_id(), nodes[3].node.get_our_node_id()], &[&chan_2_3.0.contents],
+ &chanmon_cfgs[3].keys_manager
+ ),
+ ]
+ )
+ .with_bolt12_features(channelmanager::provided_bolt12_invoice_features(&UserConfig::default()))
+ .unwrap();
+ RouteParameters::from_payment_params_and_value(pay_params, amt_msat)
+ };
+
+ let payment_hash = nodes[0].node.send_spontaneous_payment_with_retry(Some(keysend_preimage), RecipientOnionFields::spontaneous_empty(), PaymentId(keysend_preimage.0), route_params, Retry::Attempts(0)).unwrap();
+ check_added_monitors!(nodes[0], 2);
+
+ let expected_route: &[&[&Node]] = &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]];
+ let mut events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 2);
+
+ let ev = remove_first_msg_event_to_node(&nodes[1].node.get_our_node_id(), &mut events);
+ pass_along_path(&nodes[0], expected_route[0], amt_msat, payment_hash.clone(),
+ Some(payment_secret), ev.clone(), false, Some(keysend_preimage));
+
+ let ev = remove_first_msg_event_to_node(&nodes[2].node.get_our_node_id(), &mut events);
+ pass_along_path(&nodes[0], expected_route[1], amt_msat, payment_hash.clone(),
+ Some(payment_secret), ev.clone(), true, Some(keysend_preimage));
+ claim_payment_along_route(&nodes[0], expected_route, false, keysend_preimage);
+}
/// For HTLCs received by LDK, these will ultimately bubble back up as
/// [`RecipientOnionFields::custom_tlvs`].
custom_tlvs: Vec<(u64, Vec<u8>)>,
+ /// Set if this HTLC is the final hop in a multi-hop blinded path.
+ requires_blinded_error: bool,
},
}
match self {
Self::Forward { blinded: Some(BlindedForward { failure, .. }), .. } => Some(*failure),
Self::Receive { requires_blinded_error: true, .. } => Some(BlindedFailure::FromBlindedNode),
+ Self::ReceiveKeysend { requires_blinded_error: true, .. } => Some(BlindedFailure::FromBlindedNode),
_ => None,
}
}
(incoming_cltv_expiry, OnionPayload::Invoice { _legacy_hop_data },
Some(payment_data), phantom_shared_secret, onion_fields)
},
- PendingHTLCRouting::ReceiveKeysend { payment_data, payment_preimage, payment_metadata, incoming_cltv_expiry, custom_tlvs } => {
+ PendingHTLCRouting::ReceiveKeysend {
+ payment_data, payment_preimage, payment_metadata,
+ incoming_cltv_expiry, custom_tlvs, requires_blinded_error: _
+ } => {
let onion_fields = RecipientOnionFields {
payment_secret: payment_data.as_ref().map(|data| data.payment_secret),
payment_metadata,
},
(2, ReceiveKeysend) => {
(0, payment_preimage, required),
+ (1, requires_blinded_error, (default_value, false)),
(2, incoming_cltv_expiry, required),
(3, payment_metadata, option),
(4, payment_data, option), // Added in 0.0.116
payment_secret: PaymentSecret,
payment_constraints: PaymentConstraints,
intro_node_blinding_point: Option<PublicKey>,
+ keysend_preimage: Option<PaymentPreimage>,
}
}
cltv_expiry_height: u32,
encrypted_tlvs: Vec<u8>,
intro_node_blinding_point: Option<PublicKey>, // Set if the introduction node of the blinded path is the final node
+ keysend_preimage: Option<PaymentPreimage>,
}
}
},
Self::BlindedReceive {
sender_intended_htlc_amt_msat, total_msat, cltv_expiry_height, encrypted_tlvs,
- intro_node_blinding_point,
+ intro_node_blinding_point, keysend_preimage,
} => {
_encode_varint_length_prefixed_tlv!(w, {
(2, HighZeroBytesDroppedBigSize(*sender_intended_htlc_amt_msat), required),
(4, HighZeroBytesDroppedBigSize(*cltv_expiry_height), required),
(10, *encrypted_tlvs, required_vec),
(12, intro_node_blinding_point, option),
- (18, HighZeroBytesDroppedBigSize(*total_msat), required)
+ (18, HighZeroBytesDroppedBigSize(*total_msat), required),
+ (5482373484, keysend_preimage, option)
});
},
}
}
if let Some(blinding_point) = intro_node_blinding_point.or(update_add_blinding_point) {
- if short_id.is_some() || payment_data.is_some() || payment_metadata.is_some() ||
- keysend_preimage.is_some()
- {
+ if short_id.is_some() || payment_data.is_some() || payment_metadata.is_some() {
return Err(DecodeError::InvalidValue)
}
let enc_tlvs = encrypted_tlvs_opt.ok_or(DecodeError::InvalidValue)?.0;
ChaChaPolyReadAdapter { readable: BlindedPaymentTlvs::Forward(ForwardTlvs {
short_channel_id, payment_relay, payment_constraints, features
})} => {
- if amt.is_some() || cltv_value.is_some() || total_msat.is_some() {
+ if amt.is_some() || cltv_value.is_some() || total_msat.is_some() ||
+ keysend_preimage.is_some()
+ {
return Err(DecodeError::InvalidValue)
}
Ok(Self::BlindedForward {
payment_secret,
payment_constraints,
intro_node_blinding_point,
+ keysend_preimage,
})
},
}
cltv_expiry_height, payment_metadata, false),
msgs::InboundOnionPayload::BlindedReceive {
sender_intended_htlc_amt_msat, total_msat, cltv_expiry_height, payment_secret,
- intro_node_blinding_point, payment_constraints, ..
+ intro_node_blinding_point, payment_constraints, keysend_preimage, ..
} => {
check_blinded_payment_constraints(
sender_intended_htlc_amt_msat, cltv_expiry, &payment_constraints
}
})?;
let payment_data = msgs::FinalOnionHopData { payment_secret, total_msat };
- (Some(payment_data), None, Vec::new(), sender_intended_htlc_amt_msat, cltv_expiry_height,
- None, intro_node_blinding_point.is_none())
+ (Some(payment_data), keysend_preimage, Vec::new(),
+ sender_intended_htlc_amt_msat, cltv_expiry_height, None,
+ intro_node_blinding_point.is_none())
}
msgs::InboundOnionPayload::Forward { .. } => {
return Err(InboundHTLCErr {
payment_metadata,
incoming_cltv_expiry: onion_cltv_expiry,
custom_tlvs,
+ requires_blinded_error,
}
} else if let Some(data) = payment_data {
PendingHTLCRouting::Receive {
cltv_expiry_height: cur_cltv + excess_final_cltv_expiry_delta,
encrypted_tlvs: blinded_hop.encrypted_payload.clone(),
intro_node_blinding_point: blinding_point.take(),
+ keysend_preimage: *keysend_preimage,
});
} else {
res.push(msgs::OutboundOnionPayload::BlindedForward {
projects / rust-lightning / commitdiff