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Move blinded keysend tests into new async_payments_tests.rs
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Blinded keysend is only planned to be supported in the async payments context.
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@valentinewallace
valentinewallace committed Jan 6, 2025
1 parent 8e37c78 commit 2391993
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Showing 2 changed files with 246 additions and 151 deletions.
248 changes: 245 additions & 3 deletions lightning/src/ln/async_payments_tests.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,11 +8,16 @@
// licenses.

use crate::blinded_path::message::{MessageContext, OffersContext};
use crate::events::{Event, MessageSendEventsProvider, PaymentFailureReason};
use crate::ln::channelmanager::PaymentId;
use crate::events::{Event, HTLCDestination, MessageSendEventsProvider, PaymentFailureReason};
use crate::ln::blinded_payment_tests::{blinded_payment_path, get_blinded_route_parameters};
use crate::ln::channelmanager;
use crate::ln::channelmanager::{PaymentId, RecipientOnionFields};
use crate::ln::functional_test_utils::*;
use crate::ln::inbound_payment;
use crate::ln::msgs::ChannelMessageHandler;
use crate::ln::msgs::OnionMessageHandler;
use crate::ln::offers_tests;
use crate::ln::onion_utils::INVALID_ONION_BLINDING;
use crate::ln::outbound_payment::Retry;
use crate::offers::nonce::Nonce;
use crate::onion_message::async_payments::{
Expand All @@ -22,13 +27,250 @@ use crate::onion_message::messenger::{Destination, MessageRouter, MessageSendIns
use crate::onion_message::offers::OffersMessage;
use crate::onion_message::packet::ParsedOnionMessageContents;
use crate::prelude::*;
use crate::routing::router::{PaymentParameters, RouteParameters};
use crate::sign::NodeSigner;
use crate::types::features::Bolt12InvoiceFeatures;
use crate::types::payment::{PaymentPreimage, PaymentSecret};
use crate::util::config::UserConfig;
use bitcoin::secp256k1::Secp256k1;

use core::convert::Infallible;

#[test]
#[cfg(async_payments)]
fn blinded_keysend() {
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, None]);
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 inbound_payment_key = nodes[2].keys_manager.get_inbound_payment_key();
let payment_secret = inbound_payment::create_for_spontaneous_payment(
&inbound_payment_key,
None,
u32::MAX,
nodes[2].node.duration_since_epoch().as_secs(),
None,
)
.unwrap();

let amt_msat = 5000;
let keysend_preimage = PaymentPreimage([42; 32]);
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(
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(ClaimAlongRouteArgs::new(
&nodes[0],
expected_route,
keysend_preimage,
));
}

#[test]
fn blinded_mpp_keysend() {
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, None]);
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 inbound_payment_key = nodes[3].keys_manager.get_inbound_payment_key();
let payment_secret = inbound_payment::create_for_spontaneous_payment(
&inbound_payment_key,
None,
u32::MAX,
nodes[3].node.duration_since_epoch().as_secs(),
None,
)
.unwrap();

let amt_msat = 15_000_000;
let keysend_preimage = PaymentPreimage([42; 32]);
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(
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(ClaimAlongRouteArgs::new(
&nodes[0],
expected_route,
keysend_preimage,
));
}

#[test]
fn invalid_keysend_payment_secret() {
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, None]);
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 invalid_payment_secret = PaymentSecret([42; 32]);
let amt_msat = 5000;
let keysend_preimage = PaymentPreimage([42; 32]);
let route_params = get_blinded_route_parameters(
amt_msat,
invalid_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(
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);
let args =
PassAlongPathArgs::new(&nodes[0], &expected_route[0], amt_msat, payment_hash, ev.clone())
.with_payment_secret(invalid_payment_secret)
.with_payment_preimage(keysend_preimage)
.expect_failure(HTLCDestination::FailedPayment { payment_hash });
do_pass_along_path(args);

let updates_2_1 = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
assert_eq!(updates_2_1.update_fail_malformed_htlcs.len(), 1);
let update_malformed = &updates_2_1.update_fail_malformed_htlcs[0];
assert_eq!(update_malformed.sha256_of_onion, [0; 32]);
assert_eq!(update_malformed.failure_code, INVALID_ONION_BLINDING);
nodes[1]
.node
.handle_update_fail_malformed_htlc(nodes[2].node.get_our_node_id(), update_malformed);
do_commitment_signed_dance(&nodes[1], &nodes[2], &updates_2_1.commitment_signed, true, false);

let updates_1_0 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
assert_eq!(updates_1_0.update_fail_htlcs.len(), 1);
nodes[0].node.handle_update_fail_htlc(
nodes[1].node.get_our_node_id(),
&updates_1_0.update_fail_htlcs[0],
);
do_commitment_signed_dance(&nodes[0], &nodes[1], &updates_1_0.commitment_signed, false, false);
expect_payment_failed_conditions(
&nodes[0],
payment_hash,
false,
PaymentFailedConditions::new().expected_htlc_error_data(INVALID_ONION_BLINDING, &[0; 32]),
);
}

#[test]
fn static_invoice_unknown_required_features() {
// Test that we will fail to pay a static invoice with unsupported required features.
let secp_ctx = Secp256k1::new();
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