// Since this struct is returned in `list_channels` methods, expose it here in case users want to
// construct one themselves.
use ln::{PaymentHash, PaymentPreimage, PaymentSecret};
-pub use ln::channel::CounterpartyForwardingInfo;
use ln::channel::{Channel, ChannelError, ChannelUpdateStatus, UpdateFulfillCommitFetch};
use ln::features::{InitFeatures, NodeFeatures};
use routing::router::{Route, RouteHop};
use ln::msgs::{ChannelMessageHandler, DecodeError, LightningError, OptionalField};
use chain::keysinterface::{Sign, KeysInterface, KeysManager, InMemorySigner};
use util::config::UserConfig;
-use util::events::{EventHandler, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
+use util::events::{EventHandler, EventsProvider, MessageSendEvent, MessageSendEventsProvider, ClosureDescriptor};
use util::{byte_utils, events};
use util::ser::{Readable, ReadableArgs, MaybeReadable, Writeable, Writer};
use util::chacha20::{ChaCha20, ChaChaReader};
struct MsgHandleErrInternal {
err: msgs::LightningError,
+ chan_id: Option<[u8; 32]>,
shutdown_finish: Option<(ShutdownResult, Option<msgs::ChannelUpdate>)>,
}
impl MsgHandleErrInternal {
},
},
},
+ chan_id: Some(channel_id),
shutdown_finish: None,
}
}
err,
action: msgs::ErrorAction::IgnoreError,
},
+ chan_id: None,
shutdown_finish: None,
}
}
#[inline]
fn from_no_close(err: msgs::LightningError) -> Self {
- Self { err, shutdown_finish: None }
+ Self { err, chan_id: None, shutdown_finish: None }
}
#[inline]
fn from_finish_shutdown(err: String, channel_id: [u8; 32], shutdown_res: ShutdownResult, channel_update: Option<msgs::ChannelUpdate>) -> Self {
},
},
},
+ chan_id: Some(channel_id),
shutdown_finish: Some((shutdown_res, channel_update)),
}
}
},
},
},
+ chan_id: None,
shutdown_finish: None,
}
}
#[allow(dead_code)]
const CHECK_CLTV_EXPIRY_SANITY_2: u32 = MIN_CLTV_EXPIRY_DELTA as u32 - LATENCY_GRACE_PERIOD_BLOCKS - 2*CLTV_CLAIM_BUFFER;
+/// Information needed for constructing an invoice route hint for this channel.
+#[derive(Clone, Debug, PartialEq)]
+pub struct CounterpartyForwardingInfo {
+ /// Base routing fee in millisatoshis.
+ pub fee_base_msat: u32,
+ /// Amount in millionths of a satoshi the channel will charge per transferred satoshi.
+ pub fee_proportional_millionths: u32,
+ /// The minimum difference in cltv_expiry between an ingoing HTLC and its outgoing counterpart,
+ /// such that the outgoing HTLC is forwardable to this counterparty. See `msgs::ChannelUpdate`'s
+ /// `cltv_expiry_delta` for more details.
+ pub cltv_expiry_delta: u16,
+}
+
/// Channel parameters which apply to our counterparty. These are split out from [`ChannelDetails`]
/// to better separate parameters.
#[derive(Clone, Debug, PartialEq)]
($self: ident, $internal: expr, $counterparty_node_id: expr) => {
match $internal {
Ok(msg) => Ok(msg),
- Err(MsgHandleErrInternal { err, shutdown_finish }) => {
+ Err(MsgHandleErrInternal { err, chan_id, shutdown_finish }) => {
#[cfg(debug_assertions)]
{
// In testing, ensure there are no deadlocks where the lock is already held upon
// entering the macro.
assert!($self.channel_state.try_lock().is_ok());
+ assert!($self.pending_events.try_lock().is_ok());
}
let mut msg_events = Vec::with_capacity(2);
msg: update
});
}
+ if let Some(channel_id) = chan_id {
+ $self.pending_events.lock().unwrap().push(events::Event::ChannelClosed { channel_id, err: ClosureDescriptor::ProcessingError });
+ }
}
log_error!($self.logger, "{}", err.err);
msg: update
});
}
+ self.pending_events.lock().unwrap().push(events::Event::ChannelClosed { channel_id: *channel_id, err: ClosureDescriptor::ForceClosed });
Ok(chan.get_counterparty_node_id())
}
if let Some(short_id) = channel.get_short_channel_id() {
channel_state.short_to_id.remove(&short_id);
}
+ // ChannelClosed event is generated by handle_errors for us.
Err(MsgHandleErrInternal::from_finish_shutdown(msg, channel_id, channel.force_shutdown(true), self.get_channel_update_for_broadcast(&channel).ok()))
},
ChannelError::CloseDelayBroadcast(_) => { panic!("Wait is only generated on receipt of channel_reestablish, which is handled by try_chan_entry, we don't bother to support it here"); }
msg: update
});
}
+ self.pending_events.lock().unwrap().push(events::Event::ChannelClosed { channel_id: msg.channel_id, err: ClosureDescriptor::CooperativeClosure });
}
Ok(())
}
msg: update
});
}
+ self.pending_events.lock().unwrap().push(events::Event::ChannelClosed { channel_id: chan.channel_id(), err: ClosureDescriptor::UnknownOnchainCommitment });
pending_msg_events.push(events::MessageSendEvent::HandleError {
node_id: chan.get_counterparty_node_id(),
action: msgs::ErrorAction::SendErrorMessage {
Err(e) => {
let (close_channel, res) = convert_chan_err!(self, e, short_to_id, chan, channel_id);
handle_errors.push((chan.get_counterparty_node_id(), Err(res)));
+ // ChannelClosed event is generated by handle_error for us
!close_channel
}
}
msg: update
});
}
+ self.pending_events.lock().unwrap().push(events::Event::ChannelClosed { channel_id: channel.channel_id(), err: ClosureDescriptor::UnknownOnchainCommitment });
pending_msg_events.push(events::MessageSendEvent::HandleError {
node_id: channel.get_counterparty_node_id(),
action: msgs::ErrorAction::SendErrorMessage { msg: e },
msg: update
});
}
+ self.pending_events.lock().unwrap().push(events::Event::ChannelClosed { channel_id: chan.channel_id(), err: ClosureDescriptor::DisconnectedPeer });
false
} else {
true
if let Some(short_id) = chan.get_short_channel_id() {
short_to_id.remove(&short_id);
}
+ self.pending_events.lock().unwrap().push(events::Event::ChannelClosed { channel_id: chan.channel_id(), err: ClosureDescriptor::ProcessingError });
return false;
} else {
no_channels_remain = false;
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
check_added_monitors!(nodes[1], 0);
commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false);
- expect_pending_htlcs_forwardable!(nodes[1]);
- expect_pending_htlcs_forwardable!(nodes[1]);
+ let events = nodes[1].node.get_and_clear_pending_events();
+ expect_pending_htlcs_forwardable!(nodes[1], events);
+ let events = nodes[1].node.get_and_clear_pending_events();
+ expect_pending_htlcs_forwardable!(nodes[1], events);
check_added_monitors!(nodes[1], 1);
let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
assert!(updates.update_add_htlcs.is_empty());
assert!(updates.update_fee.is_none());
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, true, true);
- expect_payment_failed!(nodes[0], our_payment_hash, true);
+ let events = nodes[0].node.get_and_clear_pending_events();
+ expect_payment_failed!(nodes[0], events, our_payment_hash, true);
// Send the second half of the original MPP payment.
nodes[0].node.send_payment_along_path(&route.paths[0], &our_payment_hash, &Some(payment_secret), 200_000, cur_height, mpp_id, &None).unwrap();
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
check_added_monitors!(nodes[1], 0);
commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false);
- expect_pending_htlcs_forwardable!(nodes[1]);
- expect_pending_htlcs_forwardable!(nodes[1]);
+ let events = nodes[1].node.get_and_clear_pending_events();
+ expect_pending_htlcs_forwardable!(nodes[1], events);
+ let events = nodes[1].node.get_and_clear_pending_events();
+ expect_pending_htlcs_forwardable!(nodes[1], events);
check_added_monitors!(nodes[1], 1);
let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
assert!(updates.update_add_htlcs.is_empty());
assert!(updates.update_fee.is_none());
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, true, true);
- expect_payment_failed!(nodes[0], payment_hash, true);
+ let events = nodes[0].node.get_and_clear_pending_events();
+ expect_payment_failed!(nodes[0], events, payment_hash, true);
// Finally, claim the original payment.
claim_payment(&nodes[0], &expected_route, payment_preimage);
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
check_added_monitors!(nodes[1], 0);
commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false);
- expect_pending_htlcs_forwardable!(nodes[1]);
- expect_pending_htlcs_forwardable!(nodes[1]);
+ let events = nodes[1].node.get_and_clear_pending_events();
+ expect_pending_htlcs_forwardable!(nodes[1], events);
+ let events = nodes[1].node.get_and_clear_pending_events();
+ expect_pending_htlcs_forwardable!(nodes[1], events);
check_added_monitors!(nodes[1], 1);
let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
assert!(updates.update_add_htlcs.is_empty());
assert!(updates.update_fee.is_none());
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, true, true);
- expect_payment_failed!(nodes[0], payment_hash, true);
+ let events = nodes[0].node.get_and_clear_pending_events();
+ expect_payment_failed!(nodes[0], events, payment_hash, true);
// Finally, succeed the keysend payment.
claim_payment(&nodes[0], &expected_route, payment_preimage);