//! other behavior that exists only on private channels or with a semi-trusted counterparty (eg
//! LSP).
-use chain::Watch;
+use chain::{ChannelMonitorUpdateErr, Watch};
use chain::channelmonitor::ChannelMonitor;
use chain::keysinterface::{Recipient, KeysInterface};
use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, MIN_CLTV_EXPIRY_DELTA};
-use routing::network_graph::RoutingFees;
+use routing::gossip::RoutingFees;
use routing::router::{PaymentParameters, RouteHint, RouteHintHop};
-use ln::features::{InitFeatures, InvoiceFeatures};
+use ln::features::{InitFeatures, InvoiceFeatures, ChannelTypeFeatures};
use ln::msgs;
-use ln::msgs::{ChannelMessageHandler, RoutingMessageHandler, OptionalField, ChannelUpdate};
+use ln::msgs::{ChannelMessageHandler, RoutingMessageHandler, ChannelUpdate, ErrorAction};
use ln::wire::Encode;
use util::enforcing_trait_impls::EnforcingSigner;
-use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
+use util::events::{ClosureReason, Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider};
use util::config::UserConfig;
use util::ser::{Writeable, ReadableArgs};
use util::test_utils;
}
fn do_test_1_conf_open(connect_style: ConnectStyle) {
- // Previously, if the minium_depth config was set to 1, we'd never send a funding_locked. This
+ // Previously, if the minium_depth config was set to 1, we'd never send a channel_ready. This
// tests that we properly send one in that case.
let mut alice_config = UserConfig::default();
- alice_config.own_channel_config.minimum_depth = 1;
- alice_config.channel_options.announced_channel = true;
- alice_config.peer_channel_config_limits.force_announced_channel_preference = false;
+ alice_config.channel_handshake_config.minimum_depth = 1;
+ alice_config.channel_handshake_config.announced_channel = true;
+ alice_config.channel_handshake_limits.force_announced_channel_preference = false;
let mut bob_config = UserConfig::default();
- bob_config.own_channel_config.minimum_depth = 1;
- bob_config.channel_options.announced_channel = true;
- bob_config.peer_channel_config_limits.force_announced_channel_preference = false;
+ bob_config.channel_handshake_config.minimum_depth = 1;
+ bob_config.channel_handshake_config.announced_channel = true;
+ bob_config.channel_handshake_limits.force_announced_channel_preference = false;
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, &[Some(alice_config), Some(bob_config)]);
let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, InitFeatures::known(), InitFeatures::known());
mine_transaction(&nodes[1], &tx);
- nodes[0].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendFundingLocked, nodes[0].node.get_our_node_id()));
+ nodes[0].node.handle_channel_ready(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendChannelReady, nodes[0].node.get_our_node_id()));
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
mine_transaction(&nodes[0], &tx);
let as_msg_events = nodes[0].node.get_and_clear_pending_msg_events();
assert_eq!(as_msg_events.len(), 2);
- let as_funding_locked = if let MessageSendEvent::SendFundingLocked { ref node_id, ref msg } = as_msg_events[0] {
+ let as_channel_ready = if let MessageSendEvent::SendChannelReady { ref node_id, ref msg } = as_msg_events[0] {
assert_eq!(*node_id, nodes[1].node.get_our_node_id());
msg.clone()
} else { panic!("Unexpected event"); };
assert_eq!(*node_id, nodes[1].node.get_our_node_id());
} else { panic!("Unexpected event"); }
- nodes[1].node.handle_funding_locked(&nodes[0].node.get_our_node_id(), &as_funding_locked);
+ nodes[1].node.handle_channel_ready(&nodes[0].node.get_our_node_id(), &as_channel_ready);
let bs_msg_events = nodes[1].node.get_and_clear_pending_msg_events();
assert_eq!(bs_msg_events.len(), 1);
if let MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } = bs_msg_events[0] {
assert_eq!(announcement, bs_announcement);
for node in nodes {
- assert!(node.net_graph_msg_handler.handle_channel_announcement(&announcement).unwrap());
- node.net_graph_msg_handler.handle_channel_update(&as_update).unwrap();
- node.net_graph_msg_handler.handle_channel_update(&bs_update).unwrap();
+ assert!(node.gossip_sync.handle_channel_announcement(&announcement).unwrap());
+ node.gossip_sync.handle_channel_update(&as_update).unwrap();
+ node.gossip_sync.handle_channel_update(&bs_update).unwrap();
}
}
#[test]
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 500_000_000, InitFeatures::known(), InitFeatures::known()).2;
- let mut as_funding_locked = create_unannounced_chan_between_nodes_with_value(&nodes, 1, 2, 1_000_000, 500_000_000, InitFeatures::known(), InitFeatures::known()).0;
+ let mut as_channel_ready = create_unannounced_chan_between_nodes_with_value(&nodes, 1, 2, 1_000_000, 500_000_000, InitFeatures::known(), InitFeatures::known()).0;
let last_hop = nodes[2].node.list_usable_channels();
let hop_hints = vec![RouteHint(vec![RouteHintHop {
pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], 100_000, payment_hash, payment_secret);
claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage);
- // Now test that if a peer sends us a second funding_locked after the channel is operational we
+ // Now test that if a peer sends us a second channel_ready after the channel is operational we
// will use the new alias.
- as_funding_locked.short_channel_id_alias = Some(0xdeadbeef);
- nodes[2].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &as_funding_locked);
- // Note that we always respond to a funding_locked with a channel_update. Not a lot of reason
+ as_channel_ready.short_channel_id_alias = Some(0xdeadbeef);
+ nodes[2].node.handle_channel_ready(&nodes[1].node.get_our_node_id(), &as_channel_ready);
+ // Note that we always respond to a channel_ready with a channel_update. Not a lot of reason
// to bother updating that code, so just drop the message here.
get_event_msg!(nodes[2], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
let updated_channel_info = nodes[2].node.list_usable_channels();
assert_eq!(updated_channel_info.len(), 1);
assert_eq!(updated_channel_info[0].inbound_scid_alias.unwrap(), 0xdeadbeef);
- // Note that because we never send a duplicate funding_locked we can't send a payment through
+ // Note that because we never send a duplicate channel_ready we can't send a payment through
// the 0xdeadbeef SCID alias.
}
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let mut scid_privacy_cfg = test_default_channel_config();
- scid_privacy_cfg.channel_options.announced_channel = true;
- scid_privacy_cfg.own_channel_config.negotiate_scid_privacy = true;
+ scid_privacy_cfg.channel_handshake_config.announced_channel = true;
+ scid_privacy_cfg.channel_handshake_config.negotiate_scid_privacy = true;
nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, Some(scid_privacy_cfg)).unwrap();
let mut open_channel = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let mut scid_privacy_cfg = test_default_channel_config();
- scid_privacy_cfg.channel_options.announced_channel = false;
- scid_privacy_cfg.own_channel_config.negotiate_scid_privacy = true;
+ scid_privacy_cfg.channel_handshake_config.announced_channel = false;
+ scid_privacy_cfg.channel_handshake_config.negotiate_scid_privacy = true;
nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, Some(scid_privacy_cfg)).unwrap();
let init_open_channel = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0, InitFeatures::known(), InitFeatures::known());
let mut no_announce_cfg = test_default_channel_config();
- no_announce_cfg.channel_options.announced_channel = false;
- no_announce_cfg.own_channel_config.negotiate_scid_privacy = true;
+ no_announce_cfg.channel_handshake_config.announced_channel = false;
+ no_announce_cfg.channel_handshake_config.negotiate_scid_privacy = true;
nodes[1].node.create_channel(nodes[2].node.get_our_node_id(), 100_000, 10_000, 42, Some(no_announce_cfg)).unwrap();
let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[2].node.get_our_node_id());
connect_blocks(&nodes[1], CHAN_CONFIRM_DEPTH - 1);
confirm_transaction_at(&nodes[2], &tx, conf_height);
connect_blocks(&nodes[2], CHAN_CONFIRM_DEPTH - 1);
- let bs_funding_locked = get_event_msg!(nodes[1], MessageSendEvent::SendFundingLocked, nodes[2].node.get_our_node_id());
- nodes[1].node.handle_funding_locked(&nodes[2].node.get_our_node_id(), &get_event_msg!(nodes[2], MessageSendEvent::SendFundingLocked, nodes[1].node.get_our_node_id()));
+ let bs_channel_ready = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReady, nodes[2].node.get_our_node_id());
+ nodes[1].node.handle_channel_ready(&nodes[2].node.get_our_node_id(), &get_event_msg!(nodes[2], MessageSendEvent::SendChannelReady, nodes[1].node.get_our_node_id()));
let bs_update = get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[2].node.get_our_node_id());
- nodes[2].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &bs_funding_locked);
+ nodes[2].node.handle_channel_ready(&nodes[1].node.get_our_node_id(), &bs_channel_ready);
let cs_update = get_event_msg!(nodes[2], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
nodes[1].node.handle_channel_update(&nodes[2].node.get_our_node_id(), &cs_update);
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, false);
- expect_payment_failed_conditions!(nodes[0], payment_hash_2, false,
+ expect_payment_failed_conditions(&nodes[0], payment_hash_2, false,
PaymentFailedConditions::new().blamed_scid(last_hop[0].short_channel_id.unwrap())
.blamed_chan_closed(true).expected_htlc_error_data(0x4000|10, &[0; 0]));
}
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 10_000_000, 0, InitFeatures::known(), InitFeatures::known());
- create_unannounced_chan_between_nodes_with_value(&nodes, 1, 2, 10_000, 0, InitFeatures::known(), InitFeatures::known());
+ let chan = create_unannounced_chan_between_nodes_with_value(&nodes, 1, 2, 10_000, 0, InitFeatures::known(), InitFeatures::known());
let last_hop = nodes[2].node.list_usable_channels();
let mut hop_hints = vec![RouteHint(vec![RouteHintHop {
commitment_signed_dance!(nodes[1], nodes[0], &as_updates.commitment_signed, false, true);
expect_pending_htlcs_forwardable!(nodes[1]);
- expect_pending_htlcs_forwardable!(nodes[1]);
+ expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1], vec![HTLCDestination::NextHopChannel { node_id: Some(nodes[2].node.get_our_node_id()), channel_id: chan.0.channel_id }]);
check_added_monitors!(nodes[1], 1);
let bs_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
short_channel_id: last_hop[0].inbound_scid_alias.unwrap(),
timestamp: 21,
flags: 1,
- cltv_expiry_delta: accept_forward_cfg.channel_options.cltv_expiry_delta,
+ cltv_expiry_delta: accept_forward_cfg.channel_config.cltv_expiry_delta,
htlc_minimum_msat: 1_000,
- htlc_maximum_msat: OptionalField::Present(1_000_000), // Defaults to 10% of the channel value
+ htlc_maximum_msat: 1_000_000, // Defaults to 10% of the channel value
fee_base_msat: last_hop[0].counterparty.forwarding_info.as_ref().unwrap().fee_base_msat,
fee_proportional_millionths: last_hop[0].counterparty.forwarding_info.as_ref().unwrap().fee_proportional_millionths,
excess_data: Vec::new(),
err_data.extend_from_slice(&ChannelUpdate::TYPE.to_be_bytes());
err_data.extend_from_slice(&msg.encode());
- expect_payment_failed_conditions!(nodes[0], payment_hash, false,
+ expect_payment_failed_conditions(&nodes[0], payment_hash, false,
PaymentFailedConditions::new().blamed_scid(last_hop[0].inbound_scid_alias.unwrap())
.blamed_chan_closed(false).expected_htlc_error_data(0x1000|7, &err_data));
err_data.extend_from_slice(&(msg.serialized_length() as u16 + 2).to_be_bytes());
err_data.extend_from_slice(&ChannelUpdate::TYPE.to_be_bytes());
err_data.extend_from_slice(&msg.encode());
- expect_payment_failed_conditions!(nodes[0], payment_hash, false,
+ expect_payment_failed_conditions(&nodes[0], payment_hash, false,
PaymentFailedConditions::new().blamed_scid(last_hop[0].inbound_scid_alias.unwrap())
.blamed_chan_closed(false).expected_htlc_error_data(0x1000|12, &err_data));
}
+// Receiver must have been initialized with manually_accept_inbound_channels set to true.
+fn open_zero_conf_channel<'a, 'b, 'c, 'd>(initiator: &'a Node<'b, 'c, 'd>, receiver: &'a Node<'b, 'c, 'd>, initiator_config: Option<UserConfig>) -> bitcoin::Transaction {
+ initiator.node.create_channel(receiver.node.get_our_node_id(), 100_000, 10_001, 42, initiator_config).unwrap();
+ let open_channel = get_event_msg!(initiator, MessageSendEvent::SendOpenChannel, receiver.node.get_our_node_id());
+
+ receiver.node.handle_open_channel(&initiator.node.get_our_node_id(), InitFeatures::known(), &open_channel);
+ let events = receiver.node.get_and_clear_pending_events();
+ assert_eq!(events.len(), 1);
+ match events[0] {
+ Event::OpenChannelRequest { temporary_channel_id, .. } => {
+ receiver.node.accept_inbound_channel_from_trusted_peer_0conf(&temporary_channel_id, &initiator.node.get_our_node_id(), 0).unwrap();
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ let mut accept_channel = get_event_msg!(receiver, MessageSendEvent::SendAcceptChannel, initiator.node.get_our_node_id());
+ assert_eq!(accept_channel.minimum_depth, 0);
+ initiator.node.handle_accept_channel(&receiver.node.get_our_node_id(), InitFeatures::known(), &accept_channel);
+
+ let (temporary_channel_id, tx, _) = create_funding_transaction(&initiator, &receiver.node.get_our_node_id(), 100_000, 42);
+ initiator.node.funding_transaction_generated(&temporary_channel_id, &receiver.node.get_our_node_id(), tx.clone()).unwrap();
+ let funding_created = get_event_msg!(initiator, MessageSendEvent::SendFundingCreated, receiver.node.get_our_node_id());
+
+ receiver.node.handle_funding_created(&initiator.node.get_our_node_id(), &funding_created);
+ check_added_monitors!(receiver, 1);
+ let bs_signed_locked = receiver.node.get_and_clear_pending_msg_events();
+ assert_eq!(bs_signed_locked.len(), 2);
+ let as_channel_ready;
+ match &bs_signed_locked[0] {
+ MessageSendEvent::SendFundingSigned { node_id, msg } => {
+ assert_eq!(*node_id, initiator.node.get_our_node_id());
+ initiator.node.handle_funding_signed(&receiver.node.get_our_node_id(), &msg);
+ check_added_monitors!(initiator, 1);
+
+ assert_eq!(initiator.tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
+ assert_eq!(initiator.tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0)[0], tx);
+
+ as_channel_ready = get_event_msg!(initiator, MessageSendEvent::SendChannelReady, receiver.node.get_our_node_id());
+ }
+ _ => panic!("Unexpected event"),
+ }
+ match &bs_signed_locked[1] {
+ MessageSendEvent::SendChannelReady { node_id, msg } => {
+ assert_eq!(*node_id, initiator.node.get_our_node_id());
+ initiator.node.handle_channel_ready(&receiver.node.get_our_node_id(), &msg);
+ }
+ _ => panic!("Unexpected event"),
+ }
+
+ receiver.node.handle_channel_ready(&initiator.node.get_our_node_id(), &as_channel_ready);
+
+ let as_channel_update = get_event_msg!(initiator, MessageSendEvent::SendChannelUpdate, receiver.node.get_our_node_id());
+ let bs_channel_update = get_event_msg!(receiver, MessageSendEvent::SendChannelUpdate, initiator.node.get_our_node_id());
+
+ initiator.node.handle_channel_update(&receiver.node.get_our_node_id(), &bs_channel_update);
+ receiver.node.handle_channel_update(&initiator.node.get_our_node_id(), &as_channel_update);
+
+ assert_eq!(initiator.node.list_usable_channels().len(), 1);
+ assert_eq!(receiver.node.list_usable_channels().len(), 1);
+
+ tx
+}
+
#[test]
fn test_simple_0conf_channel() {
// If our peer tells us they will accept our channel with 0 confs, and we funded the channel,
// we should trust the funding won't be double-spent (assuming `trust_own_funding_0conf` is
// set)!
- // Further, if we `accept_inbound_channel_from_trusted_peer_0conf`, funding locked messages
+ // Further, if we `accept_inbound_channel_from_trusted_peer_0conf`, `channel_ready` messages
// should fly immediately and the channel should be available for use as soon as they are
// received.
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(chan_config)]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
- nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None).unwrap();
+ open_zero_conf_channel(&nodes[0], &nodes[1], None);
+
+ send_payment(&nodes[0], &[&nodes[1]], 100_000);
+}
+
+#[test]
+fn test_0conf_channel_with_async_monitor() {
+ // Test that we properly send out channel_ready in (both inbound- and outbound-) zero-conf
+ // channels if ChannelMonitor updates return a `TemporaryFailure` during the initial channel
+ // negotiation.
+
+ let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
+ let mut chan_config = test_default_channel_config();
+ chan_config.manually_accept_inbound_channels = true;
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, Some(chan_config), None]);
+ let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+
+ create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1_000_000, 0, InitFeatures::known(), InitFeatures::known());
+
+ chan_config.channel_handshake_config.announced_channel = false;
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, Some(chan_config)).unwrap();
let open_channel = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_channel);
assert_eq!(accept_channel.minimum_depth, 0);
nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &accept_channel);
- let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 100000, 42);
+ let (temporary_channel_id, tx, funding_output) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 100000, 42);
nodes[0].node.funding_transaction_generated(&temporary_channel_id, &nodes[1].node.get_our_node_id(), tx.clone()).unwrap();
let funding_created = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &funding_created);
check_added_monitors!(nodes[1], 1);
+ assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
+
+ let channel_id = funding_output.to_channel_id();
+ nodes[1].chain_monitor.complete_sole_pending_chan_update(&channel_id);
+
let bs_signed_locked = nodes[1].node.get_and_clear_pending_msg_events();
assert_eq!(bs_signed_locked.len(), 2);
- let as_funding_locked;
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+
match &bs_signed_locked[0] {
MessageSendEvent::SendFundingSigned { node_id, msg } => {
assert_eq!(*node_id, nodes[0].node.get_our_node_id());
nodes[0].node.handle_funding_signed(&nodes[1].node.get_our_node_id(), &msg);
check_added_monitors!(nodes[0], 1);
-
- assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
- assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0)[0], tx);
-
- as_funding_locked = get_event_msg!(nodes[0], MessageSendEvent::SendFundingLocked, nodes[1].node.get_our_node_id());
}
_ => panic!("Unexpected event"),
}
match &bs_signed_locked[1] {
- MessageSendEvent::SendFundingLocked { node_id, msg } => {
+ MessageSendEvent::SendChannelReady { node_id, msg } => {
assert_eq!(*node_id, nodes[0].node.get_our_node_id());
- nodes[0].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &msg);
+ nodes[0].node.handle_channel_ready(&nodes[1].node.get_our_node_id(), &msg);
}
_ => panic!("Unexpected event"),
}
- nodes[1].node.handle_funding_locked(&nodes[0].node.get_our_node_id(), &as_funding_locked);
+ assert!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
- let as_channel_update = get_event_msg!(nodes[0], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
+ assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+ nodes[0].chain_monitor.complete_sole_pending_chan_update(&channel_id);
+ let as_locked_update = nodes[0].node.get_and_clear_pending_msg_events();
+
+ // Note that the funding transaction is actually released when
+ // get_and_clear_pending_msg_events, above, checks for monitor events.
+ assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
+ assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0)[0], tx);
+
+ match &as_locked_update[0] {
+ MessageSendEvent::SendChannelReady { node_id, msg } => {
+ assert_eq!(*node_id, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_channel_ready(&nodes[0].node.get_our_node_id(), &msg);
+ }
+ _ => panic!("Unexpected event"),
+ }
let bs_channel_update = get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[0].node.get_our_node_id());
+ let as_channel_update = match &as_locked_update[1] {
+ MessageSendEvent::SendChannelUpdate { node_id, msg } => {
+ assert_eq!(*node_id, nodes[1].node.get_our_node_id());
+ msg.clone()
+ }
+ _ => panic!("Unexpected event"),
+ };
+
+ chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+
nodes[0].node.handle_channel_update(&nodes[1].node.get_our_node_id(), &bs_channel_update);
nodes[1].node.handle_channel_update(&nodes[0].node.get_our_node_id(), &as_channel_update);
assert_eq!(nodes[0].node.list_usable_channels().len(), 1);
- assert_eq!(nodes[1].node.list_usable_channels().len(), 1);
+ assert_eq!(nodes[1].node.list_usable_channels().len(), 2);
+
+ send_payment(&nodes[0], &[&nodes[1]], 100_000);
+
+ // Now that we have useful channels, try sending a payment where the we hit a temporary monitor
+ // failure before we've ever confirmed the funding transaction. This previously caused a panic.
+ let (route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], 1_000_000);
+
+ nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret)).unwrap();
+ check_added_monitors!(nodes[0], 1);
+
+ let as_send = SendEvent::from_node(&nodes[0]);
+ nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &as_send.msgs[0]);
+ nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_send.commitment_msg);
+ check_added_monitors!(nodes[1], 1);
+
+ let (bs_raa, bs_commitment_signed) = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_raa);
+ check_added_monitors!(nodes[0], 1);
+
+ nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_commitment_signed);
+ check_added_monitors!(nodes[0], 1);
+
+ chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+ nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id()));
+ check_added_monitors!(nodes[1], 1);
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+ let (outpoint, _, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&bs_raa.channel_id).unwrap().clone();
+ nodes[1].chain_monitor.chain_monitor.channel_monitor_updated(outpoint, latest_update).unwrap();
+ check_added_monitors!(nodes[1], 0);
+ expect_pending_htlcs_forwardable!(nodes[1]);
+ check_added_monitors!(nodes[1], 1);
+
+ let bs_send = SendEvent::from_node(&nodes[1]);
+ nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &bs_send.msgs[0]);
+ commitment_signed_dance!(nodes[2], nodes[1], bs_send.commitment_msg, false);
+ expect_pending_htlcs_forwardable!(nodes[2]);
+ expect_payment_received!(nodes[2], payment_hash, payment_secret, 1_000_000);
+ claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage);
+
+ confirm_transaction(&nodes[0], &tx);
+ confirm_transaction(&nodes[1], &tx);
+
+ send_payment(&nodes[0], &[&nodes[1]], 100_000);
+}
+
+#[test]
+fn test_0conf_close_no_early_chan_update() {
+ // Tests that even with a public channel 0conf channel, we don't generate a channel_update on
+ // closing.
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let mut chan_config = test_default_channel_config();
+ chan_config.manually_accept_inbound_channels = true;
+
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(chan_config)]);
+ let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ // This is the default but we force it on anyway
+ chan_config.channel_handshake_config.announced_channel = true;
+ open_zero_conf_channel(&nodes[0], &nodes[1], Some(chan_config));
+
+ // We can use the channel immediately, but won't generate a channel_update until we get confs
+ send_payment(&nodes[0], &[&nodes[1]], 100_000);
+
+ nodes[0].node.force_close_all_channels_broadcasting_latest_txn();
+ check_added_monitors!(nodes[0], 1);
+ check_closed_event!(&nodes[0], 1, ClosureReason::HolderForceClosed);
+ let _ = get_err_msg!(nodes[0], nodes[1].node.get_our_node_id());
+}
+
+#[test]
+fn test_public_0conf_channel() {
+ // Tests that we will announce a public channel (after confirmation) even if its 0conf.
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let mut chan_config = test_default_channel_config();
+ chan_config.manually_accept_inbound_channels = true;
+
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(chan_config)]);
+ let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ // This is the default but we force it on anyway
+ chan_config.channel_handshake_config.announced_channel = true;
+ let tx = open_zero_conf_channel(&nodes[0], &nodes[1], Some(chan_config));
+
+ // We can use the channel immediately, but we can't announce it until we get 6+ confirmations
+ send_payment(&nodes[0], &[&nodes[1]], 100_000);
+
+ let scid = confirm_transaction(&nodes[0], &tx);
+ let as_announcement_sigs = get_event_msg!(nodes[0], MessageSendEvent::SendAnnouncementSignatures, nodes[1].node.get_our_node_id());
+ assert_eq!(confirm_transaction(&nodes[1], &tx), scid);
+ let bs_announcement_sigs = get_event_msg!(nodes[1], MessageSendEvent::SendAnnouncementSignatures, nodes[0].node.get_our_node_id());
+
+ nodes[1].node.handle_announcement_signatures(&nodes[0].node.get_our_node_id(), &as_announcement_sigs);
+ nodes[0].node.handle_announcement_signatures(&nodes[1].node.get_our_node_id(), &bs_announcement_sigs);
+
+ let bs_announcement = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(bs_announcement.len(), 1);
+ let announcement;
+ let bs_update;
+ match bs_announcement[0] {
+ MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
+ announcement = msg.clone();
+ bs_update = update_msg.clone();
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ let as_announcement = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(as_announcement.len(), 1);
+ match as_announcement[0] {
+ MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
+ assert!(announcement == *msg);
+ assert_eq!(update_msg.contents.short_channel_id, scid);
+ assert_eq!(update_msg.contents.short_channel_id, announcement.contents.short_channel_id);
+ assert_eq!(update_msg.contents.short_channel_id, bs_update.contents.short_channel_id);
+ },
+ _ => panic!("Unexpected event"),
+ };
+}
+
+#[test]
+fn test_0conf_channel_reorg() {
+ // If we accept a 0conf channel, which is then confirmed, but then changes SCID in a reorg, we
+ // have to make sure we handle this correctly (or, currently, just force-close the channel).
+
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let mut chan_config = test_default_channel_config();
+ chan_config.manually_accept_inbound_channels = true;
+
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(chan_config)]);
+ let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ // This is the default but we force it on anyway
+ chan_config.channel_handshake_config.announced_channel = true;
+ let tx = open_zero_conf_channel(&nodes[0], &nodes[1], Some(chan_config));
+
+ // We can use the channel immediately, but we can't announce it until we get 6+ confirmations
+ send_payment(&nodes[0], &[&nodes[1]], 100_000);
+
+ mine_transaction(&nodes[0], &tx);
+ mine_transaction(&nodes[1], &tx);
+
+ // Send a payment using the channel's real SCID, which will be public in a few blocks once we
+ // can generate a channel_announcement.
+ let real_scid = nodes[0].node.list_usable_channels()[0].short_channel_id.unwrap();
+ assert_eq!(nodes[1].node.list_usable_channels()[0].short_channel_id.unwrap(), real_scid);
+
+ let (mut route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 10_000);
+ assert_eq!(route.paths[0][0].short_channel_id, real_scid);
+ send_along_route_with_secret(&nodes[0], route, &[&[&nodes[1]]], 10_000, payment_hash, payment_secret);
+ claim_payment(&nodes[0], &[&nodes[1]], payment_preimage);
+
+ disconnect_blocks(&nodes[0], 1);
+ disconnect_blocks(&nodes[1], 1);
+
+ // At this point the channel no longer has an SCID again. In the future we should likely
+ // support simply un-setting the SCID and waiting until the channel gets re-confirmed, but for
+ // now we force-close the channel here.
+ check_closed_event!(&nodes[0], 1, ClosureReason::ProcessingError {
+ err: "Funding transaction was un-confirmed. Locked at 0 confs, now have 0 confs.".to_owned()
+ });
+ check_closed_broadcast!(nodes[0], true);
+ check_closed_event!(&nodes[1], 1, ClosureReason::ProcessingError {
+ err: "Funding transaction was un-confirmed. Locked at 0 confs, now have 0 confs.".to_owned()
+ });
+ check_closed_broadcast!(nodes[1], true);
+}
+
+#[test]
+fn test_zero_conf_accept_reject() {
+ let mut channel_type_features = ChannelTypeFeatures::only_static_remote_key();
+ channel_type_features.set_zero_conf_required();
+
+ // 1. Check we reject zero conf channels by default
+ 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);
+
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None).unwrap();
+ let mut open_channel_msg = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
+
+ open_channel_msg.channel_type = Some(channel_type_features.clone());
+
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_channel_msg);
+
+ let msg_events = nodes[1].node.get_and_clear_pending_msg_events();
+ match msg_events[0] {
+ MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg, .. }, .. } => {
+ assert_eq!(msg.data, "No zero confirmation channels accepted".to_owned());
+ },
+ _ => panic!(),
+ }
+
+ // 2. Check we can manually accept zero conf channels via the right method
+ let mut manually_accept_conf = UserConfig::default();
+ manually_accept_conf.manually_accept_inbound_channels = true;
+
+ 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, Some(manually_accept_conf.clone())]);
+ let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ // 2.1 First try the non-0conf method to manually accept
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42,
+ Some(manually_accept_conf)).unwrap();
+ let mut open_channel_msg = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel,
+ nodes[1].node.get_our_node_id());
+
+ open_channel_msg.channel_type = Some(channel_type_features.clone());
+
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(),
+ &open_channel_msg);
+
+ // Assert that `nodes[1]` has no `MessageSendEvent::SendAcceptChannel` in the `msg_events`.
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+
+ let events = nodes[1].node.get_and_clear_pending_events();
+
+ match events[0] {
+ Event::OpenChannelRequest { temporary_channel_id, .. } => {
+ // Assert we fail to accept via the non-0conf method
+ assert!(nodes[1].node.accept_inbound_channel(&temporary_channel_id,
+ &nodes[0].node.get_our_node_id(), 0).is_err());
+ },
+ _ => panic!(),
+ }
+
+ let msg_events = nodes[1].node.get_and_clear_pending_msg_events();
+ match msg_events[0] {
+ MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg, .. }, .. } => {
+ assert_eq!(msg.data, "No zero confirmation channels accepted".to_owned());
+ },
+ _ => panic!(),
+ }
+
+ // 2.2 Try again with the 0conf method to manually accept
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42,
+ Some(manually_accept_conf)).unwrap();
+ let mut open_channel_msg = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel,
+ nodes[1].node.get_our_node_id());
+
+ open_channel_msg.channel_type = Some(channel_type_features);
+
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(),
+ &open_channel_msg);
+
+ let events = nodes[1].node.get_and_clear_pending_events();
+
+ match events[0] {
+ Event::OpenChannelRequest { temporary_channel_id, .. } => {
+ // Assert we can accept via the 0conf method
+ assert!(nodes[1].node.accept_inbound_channel_from_trusted_peer_0conf(
+ &temporary_channel_id, &nodes[0].node.get_our_node_id(), 0).is_ok());
+ },
+ _ => panic!(),
+ }
+
+ // Check we would send accept
+ let msg_events = nodes[1].node.get_and_clear_pending_msg_events();
+ match msg_events[0] {
+ MessageSendEvent::SendAcceptChannel { .. } => {},
+ _ => panic!(),
+ }
}