use crate::ln::features::ChannelTypeFeatures;
use crate::ln::msgs;
use crate::ln::{ChannelId, PaymentPreimage, PaymentHash, PaymentSecret};
+use crate::chain::transaction;
use crate::routing::gossip::NetworkUpdate;
use crate::util::errors::APIError;
use crate::util::ser::{BigSize, FixedLengthReader, Writeable, Writer, MaybeReadable, Readable, RequiredWrapper, UpgradableRequired, WithoutLength};
///
/// [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel
/// [`UserConfig::manually_accept_inbound_channels`]: crate::util::config::UserConfig::manually_accept_inbound_channels
- ChannelClosed {
+ ChannelClosed {
/// The `channel_id` of the channel which has been closed. Note that on-chain transactions
/// resolving the channel are likely still awaiting confirmation.
channel_id: ChannelId,
///
/// This field will be `None` for objects serialized prior to LDK 0.0.117.
channel_capacity_sats: Option<u64>,
+ /// The original channel funding TXO; this helps checking for the existence and confirmation
+ /// status of the closing tx.
+ /// Note that for instances serialized in v0.0.119 or prior this will be missing (None).
+ channel_funding_txo: Option<transaction::OutPoint>,
},
/// Used to indicate to the user that they can abandon the funding transaction and recycle the
/// inputs for another purpose.
});
},
&Event::ChannelClosed { ref channel_id, ref user_channel_id, ref reason,
- ref counterparty_node_id, ref channel_capacity_sats
+ ref counterparty_node_id, ref channel_capacity_sats, ref channel_funding_txo
} => {
9u8.write(writer)?;
// `user_channel_id` used to be a single u64 value. In order to remain backwards
(3, user_channel_id_high, required),
(5, counterparty_node_id, option),
(7, channel_capacity_sats, option),
+ (9, channel_funding_txo, option),
});
},
&Event::DiscardFunding { ref channel_id, ref transaction } => {
let mut user_channel_id_high_opt: Option<u64> = None;
let mut counterparty_node_id = None;
let mut channel_capacity_sats = None;
+ let mut channel_funding_txo = None;
read_tlv_fields!(reader, {
(0, channel_id, required),
(1, user_channel_id_low_opt, option),
(3, user_channel_id_high_opt, option),
(5, counterparty_node_id, option),
(7, channel_capacity_sats, option),
+ (9, channel_funding_txo, option),
});
// `user_channel_id` used to be a single u64 value. In order to remain
((user_channel_id_high_opt.unwrap_or(0) as u128) << 64);
Ok(Some(Event::ChannelClosed { channel_id, user_channel_id, reason: _init_tlv_based_struct_field!(reason, upgradable_required),
- counterparty_node_id, channel_capacity_sats }))
+ counterparty_node_id, channel_capacity_sats, channel_funding_txo }))
};
f()
},
pub(crate) channel_capacity_satoshis: u64,
pub(crate) counterparty_node_id: PublicKey,
pub(crate) unbroadcasted_funding_tx: Option<Transaction>,
+ pub(crate) channel_funding_txo: Option<OutPoint>,
}
/// If the majority of the channels funds are to the fundee and the initiator holds only just
channel_capacity_satoshis: self.channel_value_satoshis,
counterparty_node_id: self.counterparty_node_id,
unbroadcasted_funding_tx,
+ channel_funding_txo: self.get_funding_txo(),
}
}
channel_capacity_satoshis: self.context.channel_value_satoshis,
counterparty_node_id: self.context.counterparty_node_id,
unbroadcasted_funding_tx: self.context.unbroadcasted_funding(),
+ channel_funding_txo: self.context.get_funding_txo(),
};
let tx = self.build_signed_closing_transaction(&mut closing_tx, &msg.signature, &sig);
self.context.channel_state = ChannelState::ShutdownComplete;
channel_capacity_satoshis: self.context.channel_value_satoshis,
counterparty_node_id: self.context.counterparty_node_id,
unbroadcasted_funding_tx: self.context.unbroadcasted_funding(),
+ channel_funding_txo: self.context.get_funding_txo(),
};
self.context.channel_state = ChannelState::ShutdownComplete;
self.context.update_time_counter += 1;
reason: shutdown_res.closure_reason,
counterparty_node_id: Some(shutdown_res.counterparty_node_id),
channel_capacity_sats: Some(shutdown_res.channel_capacity_satoshis),
+ channel_funding_txo: shutdown_res.channel_funding_txo,
}, None));
if let Some(transaction) = shutdown_res.unbroadcasted_funding_tx {
reason: ClosureReason::OutdatedChannelManager,
counterparty_node_id: Some(channel.context.get_counterparty_node_id()),
channel_capacity_sats: Some(channel.context.get_value_satoshis()),
+ channel_funding_txo: channel.context.get_funding_txo(),
}, None));
for (channel_htlc_source, payment_hash) in channel.inflight_htlc_sources() {
let mut found_htlc = false;
reason: ClosureReason::DisconnectedPeer,
counterparty_node_id: Some(channel.context.get_counterparty_node_id()),
channel_capacity_sats: Some(channel.context.get_value_satoshis()),
+ channel_funding_txo: channel.context.get_funding_txo(),
}, None));
} else {
log_error!(logger, "Missing ChannelMonitor for channel {} needed by ChannelManager.", &channel.context.channel_id());
pub counterparty_node_id: Option<PublicKey>,
pub discard_funding: bool,
pub reason: Option<ClosureReason>,
+ pub channel_funding_txo: Option<OutPoint>,
+ pub user_channel_id: Option<u128>,
}
impl ExpectedCloseEvent {
counterparty_node_id: None,
discard_funding,
reason: Some(reason),
+ channel_funding_txo: None,
+ user_channel_id: None,
}
}
}
reason,
counterparty_node_id,
channel_capacity_sats,
+ channel_funding_txo,
+ user_channel_id,
..
} if (
expected_event.channel_id.map(|expected| *channel_id == expected).unwrap_or(true) &&
expected_event.reason.as_ref().map(|expected| reason == expected).unwrap_or(true) &&
- expected_event.counterparty_node_id.map(|expected| *counterparty_node_id == Some(expected)).unwrap_or(true) &&
- expected_event.channel_capacity_sats.map(|expected| *channel_capacity_sats == Some(expected)).unwrap_or(true)
+ expected_event.
+ counterparty_node_id.map(|expected| *counterparty_node_id == Some(expected)).unwrap_or(true) &&
+ expected_event.channel_capacity_sats
+ .map(|expected| *channel_capacity_sats == Some(expected)).unwrap_or(true) &&
+ expected_event.channel_funding_txo
+ .map(|expected| *channel_funding_txo == Some(expected)).unwrap_or(true) &&
+ expected_event.user_channel_id
+ .map(|expected| *user_channel_id == expected).unwrap_or(true)
)
)));
}
counterparty_node_id: Some(*node_id),
discard_funding: is_check_discard_funding,
reason: Some(expected_reason.clone()),
+ channel_funding_txo: None,
+ user_channel_id: None,
}).collect::<Vec<_>>();
check_closed_events(node, expected_close_events.as_slice());
}
nodes[0].node.peer_disconnected(&nodes[2].node.get_our_node_id());
// The channels in the batch will close immediately.
- let channel_id_1 = OutPoint { txid: tx.txid(), index: 0 }.to_channel_id();
- let channel_id_2 = OutPoint { txid: tx.txid(), index: 1 }.to_channel_id();
+ let funding_txo_1 = OutPoint { txid: tx.txid(), index: 0 };
+ let funding_txo_2 = OutPoint { txid: tx.txid(), index: 1 };
+ let channel_id_1 = funding_txo_1.to_channel_id();
+ let channel_id_2 = funding_txo_2.to_channel_id();
check_closed_events(&nodes[0], &[
ExpectedCloseEvent {
channel_id: Some(channel_id_1),
discard_funding: true,
+ channel_funding_txo: Some(funding_txo_1),
+ user_channel_id: Some(42),
..Default::default()
},
ExpectedCloseEvent {
channel_id: Some(channel_id_2),
discard_funding: true,
+ channel_funding_txo: Some(funding_txo_2),
+ user_channel_id: Some(43),
..Default::default()
},
]);
assert_eq!(nodes[0].tx_broadcaster.txn_broadcast().len(), 0);
// Force-close the channel for which we've completed the initial monitor.
- let channel_id_1 = OutPoint { txid: tx.txid(), index: 0 }.to_channel_id();
- let channel_id_2 = OutPoint { txid: tx.txid(), index: 1 }.to_channel_id();
+ let funding_txo_1 = OutPoint { txid: tx.txid(), index: 0 };
+ let funding_txo_2 = OutPoint { txid: tx.txid(), index: 1 };
+ let channel_id_1 = funding_txo_1.to_channel_id();
+ let channel_id_2 = funding_txo_2.to_channel_id();
nodes[0].node.force_close_broadcasting_latest_txn(&channel_id_1, &nodes[1].node.get_our_node_id()).unwrap();
check_added_monitors(&nodes[0], 2);
{
ExpectedCloseEvent {
channel_id: Some(channel_id_1),
discard_funding: true,
+ channel_funding_txo: Some(funding_txo_1),
+ user_channel_id: Some(42),
..Default::default()
},
ExpectedCloseEvent {
channel_id: Some(channel_id_2),
discard_funding: true,
+ channel_funding_txo: Some(funding_txo_2),
+ user_channel_id: Some(43),
..Default::default()
},
]);