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DRY up end_to_end test in dns-resolver #3830

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DRY up end_to_end test in dns-resolver #3830

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187 changes: 81 additions & 106 deletions lightning-dns-resolver/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,7 @@ mod test {
BaseMessageHandler, ChannelMessageHandler, Init, OnionMessageHandler,
};
use lightning::ln::peer_handler::IgnoringMessageHandler;
use lightning::offers::offer::Offer;
use lightning::onion_message::dns_resolution::{HumanReadableName, OMNameResolver};
use lightning::onion_message::messenger::{
AOnionMessenger, Destination, MessageRouter, OnionMessagePath, OnionMessenger,
Expand Down Expand Up @@ -365,55 +366,25 @@ mod test {
assert!(resolution.2[.."bitcoin:".len()].eq_ignore_ascii_case("bitcoin:"));
}

#[tokio::test]
async fn end_to_end_test() {
let chanmon_cfgs = create_chanmon_cfgs(2);
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);

create_announced_chan_between_nodes(&nodes, 0, 1);

// The DNSSEC validation will only work with the current time, so set the time on the
// resolver.
let now = SystemTime::now().duration_since(SystemTime::UNIX_EPOCH).unwrap().as_secs();
let block = Block {
header: create_dummy_header(nodes[0].best_block_hash(), now as u32),
txdata: Vec::new(),
};
connect_block(&nodes[0], &block);
connect_block(&nodes[1], &block);

let payer_id = nodes[0].node.get_our_node_id();
let payee_id = nodes[1].node.get_our_node_id();

let (resolver_messenger, resolver_id) = create_resolver();
let init_msg = get_om_init();
nodes[0].onion_messenger.peer_connected(resolver_id, &init_msg, true).unwrap();
resolver_messenger.get_om().peer_connected(payer_id, &init_msg, false).unwrap();

let name = HumanReadableName::from_encoded("[email protected]").unwrap();

// When we get the proof back, override its contents to an offer from nodes[1]
let bs_offer = nodes[1].node.create_offer_builder(None).unwrap().build().unwrap();
async fn pay_offer_flow<'a, 'b, 'c>(
nodes: &[Node<'a, 'b, 'c>], resolver_messenger: &impl AOnionMessenger,
resolver_id: PublicKey, payer_id: PublicKey, payee_id: PublicKey, offer: Offer,
name: HumanReadableName, amt: u64, payment_id: PaymentId, payer_note: Option<String>,
retry: Retry, params: RouteParametersConfig, resolvers: Vec<Destination>,
) {
// Override contents to offer provided
let proof_override = &nodes[0].node.testing_dnssec_proof_offer_resolution_override;
proof_override.lock().unwrap().insert(name.clone(), bs_offer.clone());

let payment_id = PaymentId([42; 32]);
let resolvers = vec![Destination::Node(resolver_id)];
let retry = Retry::Attempts(0);
let amt = 42_000;
let params = RouteParametersConfig::default();
proof_override.lock().unwrap().insert(name.clone(), offer);
nodes[0]
.node
.pay_for_offer_from_human_readable_name(
name.clone(),
name,
amt,
payment_id,
None,
payer_note.clone(),
retry,
params,
resolvers.clone(),
resolvers,
)
.unwrap();

Expand Down Expand Up @@ -457,7 +428,14 @@ mod test {
nodes[1].node.claim_funds(our_payment_preimage);
let payment_hash: PaymentHash = our_payment_preimage.into();
expect_payment_claimed!(nodes[1], payment_hash, amt);
assert_eq!(payment_context.invoice_request.payer_note_truncated, None);
if let Some(note) = payer_note {
assert_eq!(
payment_context.invoice_request.payer_note_truncated,
Some(UntrustedString(note.into()))
);
} else {
assert_eq!(payment_context.invoice_request.payer_note_truncated, None);
}
} else {
panic!();
}
Expand All @@ -471,79 +449,76 @@ mod test {
commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, false);

expect_payment_sent(&nodes[0], our_payment_preimage, None, true, true);
}

// Pay offer with payer_note
let proof_override = &nodes[0].node.testing_dnssec_proof_offer_resolution_override;
proof_override.lock().unwrap().insert(name.clone(), bs_offer);
nodes[0]
.node
.pay_for_offer_from_human_readable_name(
name,
amt,
PaymentId([21; 32]),
Some("foo".into()),
retry,
params,
resolvers,
)
.unwrap();
#[tokio::test]
async fn end_to_end_test() {
let chanmon_cfgs = create_chanmon_cfgs(2);
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);

let query = nodes[0].onion_messenger.next_onion_message_for_peer(resolver_id).unwrap();
resolver_messenger.get_om().handle_onion_message(payer_id, &query);
create_announced_chan_between_nodes(&nodes, 0, 1);

assert!(resolver_messenger.get_om().next_onion_message_for_peer(payer_id).is_none());
let start = Instant::now();
let response = loop {
tokio::time::sleep(Duration::from_millis(10)).await;
if let Some(msg) = resolver_messenger.get_om().next_onion_message_for_peer(payer_id) {
break msg;
}
assert!(start.elapsed() < Duration::from_secs(10), "Resolution took too long");
// The DNSSEC validation will only work with the current time, so set the time on the
// resolver.
let now = SystemTime::now().duration_since(SystemTime::UNIX_EPOCH).unwrap().as_secs();
let block = Block {
header: create_dummy_header(nodes[0].best_block_hash(), now as u32),
txdata: Vec::new(),
};
connect_block(&nodes[0], &block);
connect_block(&nodes[1], &block);

nodes[0].onion_messenger.handle_onion_message(resolver_id, &response);

let invreq = nodes[0].onion_messenger.next_onion_message_for_peer(payee_id).unwrap();
nodes[1].onion_messenger.handle_onion_message(payer_id, &invreq);
let payer_id = nodes[0].node.get_our_node_id();
let payee_id = nodes[1].node.get_our_node_id();

let inv = nodes[1].onion_messenger.next_onion_message_for_peer(payer_id).unwrap();
nodes[0].onion_messenger.handle_onion_message(payee_id, &inv);
let (resolver_messenger, resolver_id) = create_resolver();
let init_msg = get_om_init();
nodes[0].onion_messenger.peer_connected(resolver_id, &init_msg, true).unwrap();
resolver_messenger.get_om().peer_connected(payer_id, &init_msg, false).unwrap();

check_added_monitors(&nodes[0], 1);
let updates = get_htlc_update_msgs!(nodes[0], payee_id);
nodes[1].node.handle_update_add_htlc(payer_id, &updates.update_add_htlcs[0]);
commitment_signed_dance!(nodes[1], nodes[0], updates.commitment_signed, false);
expect_pending_htlcs_forwardable!(nodes[1]);
let name = HumanReadableName::from_encoded("[email protected]").unwrap();

let claimable_events = nodes[1].node.get_and_clear_pending_events();
assert_eq!(claimable_events.len(), 1);
let our_payment_preimage;
if let Event::PaymentClaimable { purpose, amount_msat, .. } = &claimable_events[0] {
assert_eq!(*amount_msat, amt);
if let PaymentPurpose::Bolt12OfferPayment {
payment_preimage, payment_context, ..
} = purpose
{
our_payment_preimage = payment_preimage.unwrap();
nodes[1].node.claim_funds(our_payment_preimage);
let payment_hash: PaymentHash = our_payment_preimage.into();
expect_payment_claimed!(nodes[1], payment_hash, amt);
assert_eq!(
payment_context.invoice_request.payer_note_truncated,
Some(UntrustedString("foo".into()))
);
} else {
panic!();
}
} else {
panic!();
}
let bs_offer = nodes[1].node.create_offer_builder(None).unwrap().build().unwrap();
let resolvers = vec![Destination::Node(resolver_id)];
let retry = Retry::Attempts(0);
let amt = 42_000;
let params = RouteParametersConfig::default();

check_added_monitors(&nodes[1], 1);
let updates = get_htlc_update_msgs!(nodes[1], payer_id);
nodes[0].node.handle_update_fulfill_htlc(payee_id, &updates.update_fulfill_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, false);
pay_offer_flow(
&nodes,
&resolver_messenger,
resolver_id,
payer_id,
payee_id,
bs_offer.clone(),
name.clone(),
amt,
PaymentId([42; 32]),
None,
retry,
params,
resolvers.clone(),
)
.await;

expect_payment_sent(&nodes[0], our_payment_preimage, None, true, true);
// Pay offer with payer_note
pay_offer_flow(
&nodes,
&resolver_messenger,
resolver_id,
payer_id,
payee_id,
bs_offer,
name,
amt,
PaymentId([21; 32]),
Some("foo".into()),
retry,
params,
resolvers,
)
.await;
}
}
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