// Since this struct is returned in `list_channels` methods, expose it here in case users want to
// construct one themselves.
use crate::ln::{inbound_payment, PaymentHash, PaymentPreimage, PaymentSecret};
-use crate::ln::channel::{Channel, ChannelError, ChannelUpdateStatus, ShutdownResult, UpdateFulfillCommitFetch};
+use crate::ln::channel::{Channel, ChannelContext, ChannelError, ChannelUpdateStatus, ShutdownResult, UpdateFulfillCommitFetch, OutboundV1Channel, InboundV1Channel};
use crate::ln::features::{ChannelFeatures, ChannelTypeFeatures, InitFeatures, NodeFeatures};
#[cfg(any(feature = "_test_utils", test))]
use crate::ln::features::InvoiceFeatures;
/// State we hold per-peer.
pub(super) struct PeerState<Signer: ChannelSigner> {
- /// `temporary_channel_id` or `channel_id` -> `channel`.
+ /// `channel_id` -> `Channel`.
///
- /// Holds all channels where the peer is the counterparty. Once a channel has been assigned a
- /// `channel_id`, the `temporary_channel_id` key in the map is updated and is replaced by the
- /// `channel_id`.
+ /// Holds all funded channels where the peer is the counterparty.
pub(super) channel_by_id: HashMap<[u8; 32], Channel<Signer>>,
+ /// `temporary_channel_id` -> `OutboundV1Channel`.
+ ///
+ /// Holds all outbound V1 channels where the peer is the counterparty. Once an outbound channel has
+ /// been assigned a `channel_id`, the entry in this map is removed and one is created in
+ /// `channel_by_id`.
+ pub(super) outbound_v1_channel_by_id: HashMap<[u8; 32], OutboundV1Channel<Signer>>,
+ /// `temporary_channel_id` -> `InboundV1Channel`.
+ ///
+ /// Holds all inbound V1 channels where the peer is the counterparty. Once an inbound channel has
+ /// been assigned a `channel_id`, the entry in this map is removed and one is created in
+ /// `channel_by_id`.
+ pub(super) inbound_v1_channel_by_id: HashMap<[u8; 32], InboundV1Channel<Signer>>,
/// The latest `InitFeatures` we heard from the peer.
latest_features: InitFeatures,
/// Messages to send to the peer - pushed to in the same lock that they are generated in (except
}
self.channel_by_id.is_empty() && self.monitor_update_blocked_actions.is_empty()
}
+
+ // Returns a count of all channels we have with this peer, including pending channels.
+ fn total_channel_count(&self) -> usize {
+ self.channel_by_id.len() +
+ self.outbound_v1_channel_by_id.len() +
+ self.inbound_v1_channel_by_id.len()
+ }
+
+ // Returns a bool indicating if the given `channel_id` matches a channel we have with this peer.
+ fn has_channel(&self, channel_id: &[u8; 32]) -> bool {
+ self.channel_by_id.contains_key(channel_id) ||
+ self.outbound_v1_channel_by_id.contains_key(channel_id) ||
+ self.inbound_v1_channel_by_id.contains_key(channel_id)
+ }
}
/// Stores a PaymentSecret and any other data we may need to validate an inbound payment is
self.short_channel_id.or(self.outbound_scid_alias)
}
- fn from_channel<Signer: WriteableEcdsaChannelSigner>(channel: &Channel<Signer>,
+ fn from_channel_context<Signer: WriteableEcdsaChannelSigner>(context: &ChannelContext<Signer>,
best_block_height: u32, latest_features: InitFeatures) -> Self {
- let balance = channel.get_available_balances();
+ let balance = context.get_available_balances();
let (to_remote_reserve_satoshis, to_self_reserve_satoshis) =
- channel.get_holder_counterparty_selected_channel_reserve_satoshis();
+ context.get_holder_counterparty_selected_channel_reserve_satoshis();
ChannelDetails {
- channel_id: channel.channel_id(),
+ channel_id: context.channel_id(),
counterparty: ChannelCounterparty {
- node_id: channel.get_counterparty_node_id(),
+ node_id: context.get_counterparty_node_id(),
features: latest_features,
unspendable_punishment_reserve: to_remote_reserve_satoshis,
- forwarding_info: channel.counterparty_forwarding_info(),
+ forwarding_info: context.counterparty_forwarding_info(),
// Ensures that we have actually received the `htlc_minimum_msat` value
// from the counterparty through the `OpenChannel` or `AcceptChannel`
// message (as they are always the first message from the counterparty).
// Else `Channel::get_counterparty_htlc_minimum_msat` could return the
// default `0` value set by `Channel::new_outbound`.
- outbound_htlc_minimum_msat: if channel.have_received_message() {
- Some(channel.get_counterparty_htlc_minimum_msat()) } else { None },
- outbound_htlc_maximum_msat: channel.get_counterparty_htlc_maximum_msat(),
+ outbound_htlc_minimum_msat: if context.have_received_message() {
+ Some(context.get_counterparty_htlc_minimum_msat()) } else { None },
+ outbound_htlc_maximum_msat: context.get_counterparty_htlc_maximum_msat(),
},
- funding_txo: channel.get_funding_txo(),
+ funding_txo: context.get_funding_txo(),
// Note that accept_channel (or open_channel) is always the first message, so
// `have_received_message` indicates that type negotiation has completed.
- channel_type: if channel.have_received_message() { Some(channel.get_channel_type().clone()) } else { None },
- short_channel_id: channel.get_short_channel_id(),
- outbound_scid_alias: if channel.is_usable() { Some(channel.outbound_scid_alias()) } else { None },
- inbound_scid_alias: channel.latest_inbound_scid_alias(),
- channel_value_satoshis: channel.get_value_satoshis(),
- feerate_sat_per_1000_weight: Some(channel.get_feerate_sat_per_1000_weight()),
+ channel_type: if context.have_received_message() { Some(context.get_channel_type().clone()) } else { None },
+ short_channel_id: context.get_short_channel_id(),
+ outbound_scid_alias: if context.is_usable() { Some(context.outbound_scid_alias()) } else { None },
+ inbound_scid_alias: context.latest_inbound_scid_alias(),
+ channel_value_satoshis: context.get_value_satoshis(),
+ feerate_sat_per_1000_weight: Some(context.get_feerate_sat_per_1000_weight()),
unspendable_punishment_reserve: to_self_reserve_satoshis,
balance_msat: balance.balance_msat,
inbound_capacity_msat: balance.inbound_capacity_msat,
outbound_capacity_msat: balance.outbound_capacity_msat,
next_outbound_htlc_limit_msat: balance.next_outbound_htlc_limit_msat,
next_outbound_htlc_minimum_msat: balance.next_outbound_htlc_minimum_msat,
- user_channel_id: channel.get_user_id(),
- confirmations_required: channel.minimum_depth(),
- confirmations: Some(channel.get_funding_tx_confirmations(best_block_height)),
- force_close_spend_delay: channel.get_counterparty_selected_contest_delay(),
- is_outbound: channel.is_outbound(),
- is_channel_ready: channel.is_usable(),
- is_usable: channel.is_live(),
- is_public: channel.should_announce(),
- inbound_htlc_minimum_msat: Some(channel.get_holder_htlc_minimum_msat()),
- inbound_htlc_maximum_msat: channel.get_holder_htlc_maximum_msat(),
- config: Some(channel.config()),
+ user_channel_id: context.get_user_id(),
+ confirmations_required: context.minimum_depth(),
+ confirmations: Some(context.get_funding_tx_confirmations(best_block_height)),
+ force_close_spend_delay: context.get_counterparty_selected_contest_delay(),
+ is_outbound: context.is_outbound(),
+ is_channel_ready: context.is_usable(),
+ is_usable: context.is_live(),
+ is_public: context.should_announce(),
+ inbound_htlc_minimum_msat: Some(context.get_holder_htlc_minimum_msat()),
+ inbound_htlc_maximum_msat: context.get_holder_htlc_maximum_msat(),
+ config: Some(context.config()),
}
}
}
Err(err)
},
}
- } }
+ } };
+ ($self: ident, $internal: expr) => {
+ match $internal {
+ Ok(res) => Ok(res),
+ Err((chan, msg_handle_err)) => {
+ let counterparty_node_id = chan.get_counterparty_node_id();
+ handle_error!($self, Err(msg_handle_err), counterparty_node_id).map_err(|err| (chan, err))
+ },
+ }
+ };
}
macro_rules! update_maps_on_chan_removal {
- ($self: expr, $channel: expr) => {{
- $self.id_to_peer.lock().unwrap().remove(&$channel.channel_id());
+ ($self: expr, $channel_context: expr) => {{
+ $self.id_to_peer.lock().unwrap().remove(&$channel_context.channel_id());
let mut short_to_chan_info = $self.short_to_chan_info.write().unwrap();
- if let Some(short_id) = $channel.get_short_channel_id() {
+ if let Some(short_id) = $channel_context.get_short_channel_id() {
short_to_chan_info.remove(&short_id);
} else {
// If the channel was never confirmed on-chain prior to its closure, remove the
// also don't want a counterparty to be able to trivially cause a memory leak by simply
// opening a million channels with us which are closed before we ever reach the funding
// stage.
- let alias_removed = $self.outbound_scid_aliases.lock().unwrap().remove(&$channel.outbound_scid_alias());
+ let alias_removed = $self.outbound_scid_aliases.lock().unwrap().remove(&$channel_context.outbound_scid_alias());
debug_assert!(alias_removed);
}
- short_to_chan_info.remove(&$channel.outbound_scid_alias());
+ short_to_chan_info.remove(&$channel_context.outbound_scid_alias());
}}
}
},
ChannelError::Close(msg) => {
log_error!($self.logger, "Closing channel {} due to close-required error: {}", log_bytes!($channel_id[..]), msg);
- update_maps_on_chan_removal!($self, $channel);
- let shutdown_res = $channel.force_shutdown(true);
- (true, MsgHandleErrInternal::from_finish_shutdown(msg, *$channel_id, $channel.get_user_id(),
+ update_maps_on_chan_removal!($self, &$channel.context);
+ let shutdown_res = $channel.context.force_shutdown(true);
+ (true, MsgHandleErrInternal::from_finish_shutdown(msg, *$channel_id, $channel.context.get_user_id(),
shutdown_res, $self.get_channel_update_for_broadcast(&$channel).ok()))
},
}
+ };
+ ($self: ident, $err: expr, $channel_context: expr, $channel_id: expr, PREFUNDED) => {
+ match $err {
+ // We should only ever have `ChannelError::Close` when prefunded channels error.
+ // In any case, just close the channel.
+ ChannelError::Warn(msg) | ChannelError::Ignore(msg) | ChannelError::Close(msg) => {
+ log_error!($self.logger, "Closing prefunded channel {} due to an error: {}", log_bytes!($channel_id[..]), msg);
+ update_maps_on_chan_removal!($self, &$channel_context);
+ let shutdown_res = $channel_context.force_shutdown(false);
+ (true, MsgHandleErrInternal::from_finish_shutdown(msg, *$channel_id, $channel_context.get_user_id(),
+ shutdown_res, None))
+ },
+ }
}
}
}
}
+macro_rules! try_v1_outbound_chan_entry {
+ ($self: ident, $res: expr, $entry: expr) => {
+ match $res {
+ Ok(res) => res,
+ Err(e) => {
+ let (drop, res) = convert_chan_err!($self, e, $entry.get_mut().context, $entry.key(), PREFUNDED);
+ if drop {
+ $entry.remove_entry();
+ }
+ return Err(res);
+ }
+ }
+ }
+}
+
macro_rules! try_chan_entry {
($self: ident, $res: expr, $entry: expr) => {
match $res {
($self: expr, $entry: expr) => {
{
let channel = $entry.remove_entry().1;
- update_maps_on_chan_removal!($self, channel);
+ update_maps_on_chan_removal!($self, &channel.context);
channel
}
}
macro_rules! send_channel_ready {
($self: ident, $pending_msg_events: expr, $channel: expr, $channel_ready_msg: expr) => {{
$pending_msg_events.push(events::MessageSendEvent::SendChannelReady {
- node_id: $channel.get_counterparty_node_id(),
+ node_id: $channel.context.get_counterparty_node_id(),
msg: $channel_ready_msg,
});
// Note that we may send a `channel_ready` multiple times for a channel if we reconnect, so
// we allow collisions, but we shouldn't ever be updating the channel ID pointed to.
let mut short_to_chan_info = $self.short_to_chan_info.write().unwrap();
- let outbound_alias_insert = short_to_chan_info.insert($channel.outbound_scid_alias(), ($channel.get_counterparty_node_id(), $channel.channel_id()));
- assert!(outbound_alias_insert.is_none() || outbound_alias_insert.unwrap() == ($channel.get_counterparty_node_id(), $channel.channel_id()),
+ let outbound_alias_insert = short_to_chan_info.insert($channel.context.outbound_scid_alias(), ($channel.context.get_counterparty_node_id(), $channel.context.channel_id()));
+ assert!(outbound_alias_insert.is_none() || outbound_alias_insert.unwrap() == ($channel.context.get_counterparty_node_id(), $channel.context.channel_id()),
"SCIDs should never collide - ensure you weren't behind the chain tip by a full month when creating channels");
- if let Some(real_scid) = $channel.get_short_channel_id() {
- let scid_insert = short_to_chan_info.insert(real_scid, ($channel.get_counterparty_node_id(), $channel.channel_id()));
- assert!(scid_insert.is_none() || scid_insert.unwrap() == ($channel.get_counterparty_node_id(), $channel.channel_id()),
+ if let Some(real_scid) = $channel.context.get_short_channel_id() {
+ let scid_insert = short_to_chan_info.insert(real_scid, ($channel.context.get_counterparty_node_id(), $channel.context.channel_id()));
+ assert!(scid_insert.is_none() || scid_insert.unwrap() == ($channel.context.get_counterparty_node_id(), $channel.context.channel_id()),
"SCIDs should never collide - ensure you weren't behind the chain tip by a full month when creating channels");
}
}}
macro_rules! emit_channel_pending_event {
($locked_events: expr, $channel: expr) => {
- if $channel.should_emit_channel_pending_event() {
+ if $channel.context.should_emit_channel_pending_event() {
$locked_events.push_back((events::Event::ChannelPending {
- channel_id: $channel.channel_id(),
- former_temporary_channel_id: $channel.temporary_channel_id(),
- counterparty_node_id: $channel.get_counterparty_node_id(),
- user_channel_id: $channel.get_user_id(),
- funding_txo: $channel.get_funding_txo().unwrap().into_bitcoin_outpoint(),
+ channel_id: $channel.context.channel_id(),
+ former_temporary_channel_id: $channel.context.temporary_channel_id(),
+ counterparty_node_id: $channel.context.get_counterparty_node_id(),
+ user_channel_id: $channel.context.get_user_id(),
+ funding_txo: $channel.context.get_funding_txo().unwrap().into_bitcoin_outpoint(),
}, None));
- $channel.set_channel_pending_event_emitted();
+ $channel.context.set_channel_pending_event_emitted();
}
}
}
macro_rules! emit_channel_ready_event {
($locked_events: expr, $channel: expr) => {
- if $channel.should_emit_channel_ready_event() {
- debug_assert!($channel.channel_pending_event_emitted());
+ if $channel.context.should_emit_channel_ready_event() {
+ debug_assert!($channel.context.channel_pending_event_emitted());
$locked_events.push_back((events::Event::ChannelReady {
- channel_id: $channel.channel_id(),
- user_channel_id: $channel.get_user_id(),
- counterparty_node_id: $channel.get_counterparty_node_id(),
- channel_type: $channel.get_channel_type().clone(),
+ channel_id: $channel.context.channel_id(),
+ user_channel_id: $channel.context.get_user_id(),
+ counterparty_node_id: $channel.context.get_counterparty_node_id(),
+ channel_type: $channel.context.get_channel_type().clone(),
}, None));
- $channel.set_channel_ready_event_emitted();
+ $channel.context.set_channel_ready_event_emitted();
}
}
}
let mut updates = $chan.monitor_updating_restored(&$self.logger,
&$self.node_signer, $self.genesis_hash, &$self.default_configuration,
$self.best_block.read().unwrap().height());
- let counterparty_node_id = $chan.get_counterparty_node_id();
- let channel_update = if updates.channel_ready.is_some() && $chan.is_usable() {
+ let counterparty_node_id = $chan.context.get_counterparty_node_id();
+ let channel_update = if updates.channel_ready.is_some() && $chan.context.is_usable() {
// We only send a channel_update in the case where we are just now sending a
// channel_ready and the channel is in a usable state. We may re-send a
// channel_update later through the announcement_signatures process for public
} else { None };
let update_actions = $peer_state.monitor_update_blocked_actions
- .remove(&$chan.channel_id()).unwrap_or(Vec::new());
+ .remove(&$chan.context.channel_id()).unwrap_or(Vec::new());
let htlc_forwards = $self.handle_channel_resumption(
&mut $peer_state.pending_msg_events, $chan, updates.raa,
$peer_state.pending_msg_events.push(upd);
}
- let channel_id = $chan.channel_id();
+ let channel_id = $chan.context.channel_id();
core::mem::drop($peer_state_lock);
core::mem::drop($per_peer_state_lock);
match $update_res {
ChannelMonitorUpdateStatus::InProgress => {
log_debug!($self.logger, "ChannelMonitor update for {} in flight, holding messages until the update completes.",
- log_bytes!($chan.channel_id()[..]));
+ log_bytes!($chan.context.channel_id()[..]));
Ok(())
},
ChannelMonitorUpdateStatus::PermanentFailure => {
log_error!($self.logger, "Closing channel {} due to monitor update ChannelMonitorUpdateStatus::PermanentFailure",
- log_bytes!($chan.channel_id()[..]));
- update_maps_on_chan_removal!($self, $chan);
+ log_bytes!($chan.context.channel_id()[..]));
+ update_maps_on_chan_removal!($self, &$chan.context);
let res: Result<(), _> = Err(MsgHandleErrInternal::from_finish_shutdown(
- "ChannelMonitor storage failure".to_owned(), $chan.channel_id(),
- $chan.get_user_id(), $chan.force_shutdown(false),
+ "ChannelMonitor storage failure".to_owned(), $chan.context.channel_id(),
+ $chan.context.get_user_id(), $chan.context.force_shutdown(false),
$self.get_channel_update_for_broadcast(&$chan).ok()));
$remove;
res
let outbound_scid_alias = self.create_and_insert_outbound_scid_alias();
let their_features = &peer_state.latest_features;
let config = if override_config.is_some() { override_config.as_ref().unwrap() } else { &self.default_configuration };
- match Channel::new_outbound(&self.fee_estimator, &self.entropy_source, &self.signer_provider, their_network_key,
+ match OutboundV1Channel::new(&self.fee_estimator, &self.entropy_source, &self.signer_provider, their_network_key,
their_features, channel_value_satoshis, push_msat, user_channel_id, config,
self.best_block.read().unwrap().height(), outbound_scid_alias)
{
};
let res = channel.get_open_channel(self.genesis_hash.clone());
- let temporary_channel_id = channel.channel_id();
- match peer_state.channel_by_id.entry(temporary_channel_id) {
+ let temporary_channel_id = channel.context.channel_id();
+ match peer_state.outbound_v1_channel_by_id.entry(temporary_channel_id) {
hash_map::Entry::Occupied(_) => {
if cfg!(fuzzing) {
return Err(APIError::APIMisuseError { err: "Fuzzy bad RNG".to_owned() });
Ok(temporary_channel_id)
}
- fn list_channels_with_filter<Fn: FnMut(&(&[u8; 32], &Channel<<SP::Target as SignerProvider>::Signer>)) -> bool + Copy>(&self, f: Fn) -> Vec<ChannelDetails> {
+ fn list_funded_channels_with_filter<Fn: FnMut(&(&[u8; 32], &Channel<<SP::Target as SignerProvider>::Signer>)) -> bool + Copy>(&self, f: Fn) -> Vec<ChannelDetails> {
// Allocate our best estimate of the number of channels we have in the `res`
// Vec. Sadly the `short_to_chan_info` map doesn't cover channels without
// a scid or a scid alias, and the `id_to_peer` shouldn't be used outside
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
for (_channel_id, channel) in peer_state.channel_by_id.iter().filter(f) {
- let details = ChannelDetails::from_channel(channel, best_block_height,
+ let details = ChannelDetails::from_channel_context(&channel.context, best_block_height,
peer_state.latest_features.clone());
res.push(details);
}
/// Gets the list of open channels, in random order. See [`ChannelDetails`] field documentation for
/// more information.
pub fn list_channels(&self) -> Vec<ChannelDetails> {
- self.list_channels_with_filter(|_| true)
+ // Allocate our best estimate of the number of channels we have in the `res`
+ // Vec. Sadly the `short_to_chan_info` map doesn't cover channels without
+ // a scid or a scid alias, and the `id_to_peer` shouldn't be used outside
+ // of the ChannelMonitor handling. Therefore reallocations may still occur, but is
+ // unlikely as the `short_to_chan_info` map often contains 2 entries for
+ // the same channel.
+ let mut res = Vec::with_capacity(self.short_to_chan_info.read().unwrap().len());
+ {
+ let best_block_height = self.best_block.read().unwrap().height();
+ let per_peer_state = self.per_peer_state.read().unwrap();
+ for (_cp_id, peer_state_mutex) in per_peer_state.iter() {
+ let mut peer_state_lock = peer_state_mutex.lock().unwrap();
+ let peer_state = &mut *peer_state_lock;
+ for (_channel_id, channel) in peer_state.channel_by_id.iter() {
+ let details = ChannelDetails::from_channel_context(&channel.context, best_block_height,
+ peer_state.latest_features.clone());
+ res.push(details);
+ }
+ for (_channel_id, channel) in peer_state.inbound_v1_channel_by_id.iter() {
+ let details = ChannelDetails::from_channel_context(&channel.context, best_block_height,
+ peer_state.latest_features.clone());
+ res.push(details);
+ }
+ for (_channel_id, channel) in peer_state.outbound_v1_channel_by_id.iter() {
+ let details = ChannelDetails::from_channel_context(&channel.context, best_block_height,
+ peer_state.latest_features.clone());
+ res.push(details);
+ }
+ }
+ }
+ res
}
/// Gets the list of usable channels, in random order. Useful as an argument to
// Note we use is_live here instead of usable which leads to somewhat confused
// internal/external nomenclature, but that's ok cause that's probably what the user
// really wanted anyway.
- self.list_channels_with_filter(|&(_, ref channel)| channel.is_live())
+ self.list_funded_channels_with_filter(|&(_, ref channel)| channel.context.is_live())
}
/// Gets the list of channels we have with a given counterparty, in random order.
return peer_state.channel_by_id
.iter()
.map(|(_, channel)|
- ChannelDetails::from_channel(channel, best_block_height, features.clone()))
+ ChannelDetails::from_channel_context(&channel.context, best_block_height, features.clone()))
.collect();
}
vec![]
}
/// Helper function that issues the channel close events
- fn issue_channel_close_events(&self, channel: &Channel<<SP::Target as SignerProvider>::Signer>, closure_reason: ClosureReason) {
+ fn issue_channel_close_events(&self, context: &ChannelContext<<SP::Target as SignerProvider>::Signer>, closure_reason: ClosureReason) {
let mut pending_events_lock = self.pending_events.lock().unwrap();
- match channel.unbroadcasted_funding() {
+ match context.unbroadcasted_funding() {
Some(transaction) => {
pending_events_lock.push_back((events::Event::DiscardFunding {
- channel_id: channel.channel_id(), transaction
+ channel_id: context.channel_id(), transaction
}, None));
},
None => {},
}
pending_events_lock.push_back((events::Event::ChannelClosed {
- channel_id: channel.channel_id(),
- user_channel_id: channel.get_user_id(),
+ channel_id: context.channel_id(),
+ user_channel_id: context.get_user_id(),
reason: closure_reason
}, None));
}
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(channel_id.clone()) {
hash_map::Entry::Occupied(mut chan_entry) => {
- let funding_txo_opt = chan_entry.get().get_funding_txo();
+ let funding_txo_opt = chan_entry.get().context.get_funding_txo();
let their_features = &peer_state.latest_features;
let (shutdown_msg, mut monitor_update_opt, htlcs) = chan_entry.get_mut()
.get_shutdown(&self.signer_provider, their_features, target_feerate_sats_per_1000_weight, override_shutdown_script)?;
msg: channel_update
});
}
- self.issue_channel_close_events(&channel, ClosureReason::HolderForceClosed);
+ self.issue_channel_close_events(&channel.context, ClosureReason::HolderForceClosed);
}
break Ok(());
},
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(peer_node_id)
.ok_or_else(|| APIError::ChannelUnavailable { err: format!("Can't find a peer matching the passed counterparty node_id {}", peer_node_id) })?;
- let mut chan = {
+ let (update_opt, counterparty_node_id) = {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
+ let closure_reason = if let Some(peer_msg) = peer_msg {
+ ClosureReason::CounterpartyForceClosed { peer_msg: UntrustedString(peer_msg.to_string()) }
+ } else {
+ ClosureReason::HolderForceClosed
+ };
if let hash_map::Entry::Occupied(chan) = peer_state.channel_by_id.entry(channel_id.clone()) {
- if let Some(peer_msg) = peer_msg {
- self.issue_channel_close_events(chan.get(),ClosureReason::CounterpartyForceClosed { peer_msg: UntrustedString(peer_msg.to_string()) });
- } else {
- self.issue_channel_close_events(chan.get(),ClosureReason::HolderForceClosed);
- }
- remove_channel!(self, chan)
+ log_error!(self.logger, "Force-closing channel {}", log_bytes!(channel_id[..]));
+ self.issue_channel_close_events(&chan.get().context, closure_reason);
+ let mut chan = remove_channel!(self, chan);
+ self.finish_force_close_channel(chan.context.force_shutdown(broadcast));
+ (self.get_channel_update_for_broadcast(&chan).ok(), chan.context.get_counterparty_node_id())
+ } else if let hash_map::Entry::Occupied(chan) = peer_state.outbound_v1_channel_by_id.entry(channel_id.clone()) {
+ log_error!(self.logger, "Force-closing channel {}", log_bytes!(channel_id[..]));
+ self.issue_channel_close_events(&chan.get().context, closure_reason);
+ let mut chan = remove_channel!(self, chan);
+ self.finish_force_close_channel(chan.context.force_shutdown(false));
+ // Prefunded channel has no update
+ (None, chan.context.get_counterparty_node_id())
+ } else if let hash_map::Entry::Occupied(chan) = peer_state.inbound_v1_channel_by_id.entry(channel_id.clone()) {
+ log_error!(self.logger, "Force-closing channel {}", log_bytes!(channel_id[..]));
+ self.issue_channel_close_events(&chan.get().context, closure_reason);
+ let mut chan = remove_channel!(self, chan);
+ self.finish_force_close_channel(chan.context.force_shutdown(false));
+ // Prefunded channel has no update
+ (None, chan.context.get_counterparty_node_id())
} else {
return Err(APIError::ChannelUnavailable{ err: format!("Channel with id {} not found for the passed counterparty node_id {}", log_bytes!(*channel_id), peer_node_id) });
}
};
- log_error!(self.logger, "Force-closing channel {}", log_bytes!(channel_id[..]));
- self.finish_force_close_channel(chan.force_shutdown(broadcast));
- if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
+ if let Some(update) = update_opt {
let mut peer_state = peer_state_mutex.lock().unwrap();
peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
msg: update
});
}
- Ok(chan.get_counterparty_node_id())
+ Ok(counterparty_node_id)
}
fn force_close_sending_error(&self, channel_id: &[u8; 32], counterparty_node_id: &PublicKey, broadcast: bool) -> Result<(), APIError> {
},
Some(chan) => chan
};
- if !chan.should_announce() && !self.default_configuration.accept_forwards_to_priv_channels {
+ if !chan.context.should_announce() && !self.default_configuration.accept_forwards_to_priv_channels {
// Note that the behavior here should be identical to the above block - we
// should NOT reveal the existence or non-existence of a private channel if
// we don't allow forwards outbound over them.
break Some(("Refusing to forward to a private channel based on our config.", 0x4000 | 10, None));
}
- if chan.get_channel_type().supports_scid_privacy() && *short_channel_id != chan.outbound_scid_alias() {
+ if chan.context.get_channel_type().supports_scid_privacy() && *short_channel_id != chan.context.outbound_scid_alias() {
// `option_scid_alias` (referred to in LDK as `scid_privacy`) means
// "refuse to forward unless the SCID alias was used", so we pretend
// we don't have the channel here.
// around to doing the actual forward, but better to fail early if we can and
// hopefully an attacker trying to path-trace payments cannot make this occur
// on a small/per-node/per-channel scale.
- if !chan.is_live() { // channel_disabled
+ if !chan.context.is_live() { // channel_disabled
// If the channel_update we're going to return is disabled (i.e. the
// peer has been disabled for some time), return `channel_disabled`,
// otherwise return `temporary_channel_failure`.
break Some(("Forwarding channel is not in a ready state.", 0x1000 | 7, chan_update_opt));
}
}
- if *outgoing_amt_msat < chan.get_counterparty_htlc_minimum_msat() { // amount_below_minimum
+ if *outgoing_amt_msat < chan.context.get_counterparty_htlc_minimum_msat() { // amount_below_minimum
break Some(("HTLC amount was below the htlc_minimum_msat", 0x1000 | 11, chan_update_opt));
}
if let Err((err, code)) = chan.htlc_satisfies_config(&msg, *outgoing_amt_msat, *outgoing_cltv_value) {
/// [`channel_update`]: msgs::ChannelUpdate
/// [`internal_closing_signed`]: Self::internal_closing_signed
fn get_channel_update_for_broadcast(&self, chan: &Channel<<SP::Target as SignerProvider>::Signer>) -> Result<msgs::ChannelUpdate, LightningError> {
- if !chan.should_announce() {
+ if !chan.context.should_announce() {
return Err(LightningError {
err: "Cannot broadcast a channel_update for a private channel".to_owned(),
action: msgs::ErrorAction::IgnoreError
});
}
- if chan.get_short_channel_id().is_none() {
+ if chan.context.get_short_channel_id().is_none() {
return Err(LightningError{err: "Channel not yet established".to_owned(), action: msgs::ErrorAction::IgnoreError});
}
- log_trace!(self.logger, "Attempting to generate broadcast channel update for channel {}", log_bytes!(chan.channel_id()));
+ log_trace!(self.logger, "Attempting to generate broadcast channel update for channel {}", log_bytes!(chan.context.channel_id()));
self.get_channel_update_for_unicast(chan)
}
/// [`channel_update`]: msgs::ChannelUpdate
/// [`internal_closing_signed`]: Self::internal_closing_signed
fn get_channel_update_for_unicast(&self, chan: &Channel<<SP::Target as SignerProvider>::Signer>) -> Result<msgs::ChannelUpdate, LightningError> {
- log_trace!(self.logger, "Attempting to generate channel update for channel {}", log_bytes!(chan.channel_id()));
- let short_channel_id = match chan.get_short_channel_id().or(chan.latest_inbound_scid_alias()) {
+ log_trace!(self.logger, "Attempting to generate channel update for channel {}", log_bytes!(chan.context.channel_id()));
+ let short_channel_id = match chan.context.get_short_channel_id().or(chan.context.latest_inbound_scid_alias()) {
None => return Err(LightningError{err: "Channel not yet established".to_owned(), action: msgs::ErrorAction::IgnoreError}),
Some(id) => id,
};
self.get_channel_update_for_onion(short_channel_id, chan)
}
+
fn get_channel_update_for_onion(&self, short_channel_id: u64, chan: &Channel<<SP::Target as SignerProvider>::Signer>) -> Result<msgs::ChannelUpdate, LightningError> {
- log_trace!(self.logger, "Generating channel update for channel {}", log_bytes!(chan.channel_id()));
- let were_node_one = self.our_network_pubkey.serialize()[..] < chan.get_counterparty_node_id().serialize()[..];
+ log_trace!(self.logger, "Generating channel update for channel {}", log_bytes!(chan.context.channel_id()));
+ let were_node_one = self.our_network_pubkey.serialize()[..] < chan.context.get_counterparty_node_id().serialize()[..];
- let enabled = chan.is_usable() && match chan.channel_update_status() {
+ let enabled = chan.context.is_usable() && match chan.channel_update_status() {
ChannelUpdateStatus::Enabled => true,
ChannelUpdateStatus::DisabledStaged(_) => true,
ChannelUpdateStatus::Disabled => false,
let unsigned = msgs::UnsignedChannelUpdate {
chain_hash: self.genesis_hash,
short_channel_id,
- timestamp: chan.get_update_time_counter(),
+ timestamp: chan.context.get_update_time_counter(),
flags: (!were_node_one) as u8 | ((!enabled as u8) << 1),
- cltv_expiry_delta: chan.get_cltv_expiry_delta(),
- htlc_minimum_msat: chan.get_counterparty_htlc_minimum_msat(),
- htlc_maximum_msat: chan.get_announced_htlc_max_msat(),
- fee_base_msat: chan.get_outbound_forwarding_fee_base_msat(),
- fee_proportional_millionths: chan.get_fee_proportional_millionths(),
+ cltv_expiry_delta: chan.context.get_cltv_expiry_delta(),
+ htlc_minimum_msat: chan.context.get_counterparty_htlc_minimum_msat(),
+ htlc_maximum_msat: chan.context.get_announced_htlc_max_msat(),
+ fee_base_msat: chan.context.get_outbound_forwarding_fee_base_msat(),
+ fee_proportional_millionths: chan.context.get_fee_proportional_millionths(),
excess_data: Vec::new(),
};
// Panic on failure to signal LDK should be restarted to retry signing the `ChannelUpdate`.
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
if let hash_map::Entry::Occupied(mut chan) = peer_state.channel_by_id.entry(id) {
- if !chan.get().is_live() {
+ if !chan.get().context.is_live() {
return Err(APIError::ChannelUnavailable{err: "Peer for first hop currently disconnected".to_owned()});
}
- let funding_txo = chan.get().get_funding_txo().unwrap();
+ let funding_txo = chan.get().context.get_funding_txo().unwrap();
let send_res = chan.get_mut().send_htlc_and_commit(htlc_msat, payment_hash.clone(),
htlc_cltv, HTLCSource::OutboundRoute {
path: path.clone(),
/// Handles the generation of a funding transaction, optionally (for tests) with a function
/// which checks the correctness of the funding transaction given the associated channel.
- fn funding_transaction_generated_intern<FundingOutput: Fn(&Channel<<SP::Target as SignerProvider>::Signer>, &Transaction) -> Result<OutPoint, APIError>>(
+ fn funding_transaction_generated_intern<FundingOutput: Fn(&OutboundV1Channel<<SP::Target as SignerProvider>::Signer>, &Transaction) -> Result<OutPoint, APIError>>(
&self, temporary_channel_id: &[u8; 32], counterparty_node_id: &PublicKey, funding_transaction: Transaction, find_funding_output: FundingOutput
) -> Result<(), APIError> {
let per_peer_state = self.per_peer_state.read().unwrap();
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- let (msg, chan) = match peer_state.channel_by_id.remove(temporary_channel_id) {
- Some(mut chan) => {
+ let (chan, msg) = match peer_state.outbound_v1_channel_by_id.remove(temporary_channel_id) {
+ Some(chan) => {
let funding_txo = find_funding_output(&chan, &funding_transaction)?;
let funding_res = chan.get_outbound_funding_created(funding_transaction, funding_txo, &self.logger)
- .map_err(|e| if let ChannelError::Close(msg) = e {
- MsgHandleErrInternal::from_finish_shutdown(msg, chan.channel_id(), chan.get_user_id(), chan.force_shutdown(true), None)
+ .map_err(|(mut chan, e)| if let ChannelError::Close(msg) = e {
+ let channel_id = chan.context.channel_id();
+ let user_id = chan.context.get_user_id();
+ let shutdown_res = chan.context.force_shutdown(false);
+ (chan, MsgHandleErrInternal::from_finish_shutdown(msg, channel_id, user_id, shutdown_res, None))
} else { unreachable!(); });
match funding_res {
- Ok(funding_msg) => (funding_msg, chan),
- Err(_) => {
+ Ok((chan, funding_msg)) => (chan, funding_msg),
+ Err((chan, err)) => {
mem::drop(peer_state_lock);
mem::drop(per_peer_state);
- let _ = handle_error!(self, funding_res, chan.get_counterparty_node_id());
+ let _: Result<(), _> = handle_error!(self, Err(err), chan.context.get_counterparty_node_id());
return Err(APIError::ChannelUnavailable {
err: "Signer refused to sign the initial commitment transaction".to_owned()
});
};
peer_state.pending_msg_events.push(events::MessageSendEvent::SendFundingCreated {
- node_id: chan.get_counterparty_node_id(),
+ node_id: chan.context.get_counterparty_node_id(),
msg,
});
- match peer_state.channel_by_id.entry(chan.channel_id()) {
+ match peer_state.channel_by_id.entry(chan.context.channel_id()) {
hash_map::Entry::Occupied(_) => {
panic!("Generated duplicate funding txid?");
},
hash_map::Entry::Vacant(e) => {
let mut id_to_peer = self.id_to_peer.lock().unwrap();
- if id_to_peer.insert(chan.channel_id(), chan.get_counterparty_node_id()).is_some() {
+ if id_to_peer.insert(chan.context.channel_id(), chan.context.get_counterparty_node_id()).is_some() {
panic!("id_to_peer map already contained funding txid, which shouldn't be possible");
}
e.insert(chan);
}
let mut output_index = None;
- let expected_spk = chan.get_funding_redeemscript().to_v0_p2wsh();
+ let expected_spk = chan.context.get_funding_redeemscript().to_v0_p2wsh();
for (idx, outp) in tx.output.iter().enumerate() {
- if outp.script_pubkey == expected_spk && outp.value == chan.get_value_satoshis() {
+ if outp.script_pubkey == expected_spk && outp.value == chan.context.get_value_satoshis() {
if output_index.is_some() {
return Err(APIError::APIMisuseError {
err: "Multiple outputs matched the expected script and value".to_owned()
}
for channel_id in channel_ids {
let channel = peer_state.channel_by_id.get_mut(channel_id).unwrap();
- let mut config = channel.config();
+ let mut config = channel.context.config();
config.apply(config_update);
- if !channel.update_config(&config) {
+ if !channel.context.update_config(&config) {
continue;
}
if let Ok(msg) = self.get_channel_update_for_broadcast(channel) {
peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate { msg });
} else if let Ok(msg) = self.get_channel_update_for_unicast(channel) {
peer_state.pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
- node_id: channel.get_counterparty_node_id(),
+ node_id: channel.context.get_counterparty_node_id(),
msg,
});
}
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.get(next_hop_channel_id) {
Some(chan) => {
- if !chan.is_usable() {
+ if !chan.context.is_usable() {
return Err(APIError::ChannelUnavailable {
err: format!("Channel with id {} not fully established", log_bytes!(*next_hop_channel_id))
})
}
- chan.get_short_channel_id().unwrap_or(chan.outbound_scid_alias())
+ chan.context.get_short_channel_id().unwrap_or(chan.context.outbound_scid_alias())
},
None => return Err(APIError::ChannelUnavailable {
- err: format!("Channel with id {} not found for the passed counterparty node_id {}", log_bytes!(*next_hop_channel_id), next_node_id)
+ err: format!("Funded channel with id {} not found for the passed counterparty node_id {}. Channel may still be opening.",
+ log_bytes!(*next_hop_channel_id), next_node_id)
})
}
};
let (failure_code, data) = self.get_htlc_temp_fail_err_and_data(0x1000|7, short_chan_id, chan.get());
failed_forwards.push((htlc_source, payment_hash,
HTLCFailReason::reason(failure_code, data),
- HTLCDestination::NextHopChannel { node_id: Some(chan.get().get_counterparty_node_id()), channel_id: forward_chan_id }
+ HTLCDestination::NextHopChannel { node_id: Some(chan.get().context.get_counterparty_node_id()), channel_id: forward_chan_id }
));
continue;
}
}
fn update_channel_fee(&self, chan_id: &[u8; 32], chan: &mut Channel<<SP::Target as SignerProvider>::Signer>, new_feerate: u32) -> NotifyOption {
- if !chan.is_outbound() { return NotifyOption::SkipPersist; }
+ if !chan.context.is_outbound() { return NotifyOption::SkipPersist; }
// If the feerate has decreased by less than half, don't bother
- if new_feerate <= chan.get_feerate_sat_per_1000_weight() && new_feerate * 2 > chan.get_feerate_sat_per_1000_weight() {
+ if new_feerate <= chan.context.get_feerate_sat_per_1000_weight() && new_feerate * 2 > chan.context.get_feerate_sat_per_1000_weight() {
log_trace!(self.logger, "Channel {} does not qualify for a feerate change from {} to {}.",
- log_bytes!(chan_id[..]), chan.get_feerate_sat_per_1000_weight(), new_feerate);
+ log_bytes!(chan_id[..]), chan.context.get_feerate_sat_per_1000_weight(), new_feerate);
return NotifyOption::SkipPersist;
}
- if !chan.is_live() {
+ if !chan.context.is_live() {
log_trace!(self.logger, "Channel {} does not qualify for a feerate change from {} to {} as it cannot currently be updated (probably the peer is disconnected).",
- log_bytes!(chan_id[..]), chan.get_feerate_sat_per_1000_weight(), new_feerate);
+ log_bytes!(chan_id[..]), chan.context.get_feerate_sat_per_1000_weight(), new_feerate);
return NotifyOption::SkipPersist;
}
log_trace!(self.logger, "Channel {} qualifies for a feerate change from {} to {}.",
- log_bytes!(chan_id[..]), chan.get_feerate_sat_per_1000_weight(), new_feerate);
+ log_bytes!(chan_id[..]), chan.context.get_feerate_sat_per_1000_weight(), new_feerate);
chan.queue_update_fee(new_feerate, &self.logger);
NotifyOption::DoPersist
}
match chan.channel_update_status() {
- ChannelUpdateStatus::Enabled if !chan.is_live() => chan.set_channel_update_status(ChannelUpdateStatus::DisabledStaged(0)),
- ChannelUpdateStatus::Disabled if chan.is_live() => chan.set_channel_update_status(ChannelUpdateStatus::EnabledStaged(0)),
- ChannelUpdateStatus::DisabledStaged(_) if chan.is_live()
+ ChannelUpdateStatus::Enabled if !chan.context.is_live() => chan.set_channel_update_status(ChannelUpdateStatus::DisabledStaged(0)),
+ ChannelUpdateStatus::Disabled if chan.context.is_live() => chan.set_channel_update_status(ChannelUpdateStatus::EnabledStaged(0)),
+ ChannelUpdateStatus::DisabledStaged(_) if chan.context.is_live()
=> chan.set_channel_update_status(ChannelUpdateStatus::Enabled),
- ChannelUpdateStatus::EnabledStaged(_) if !chan.is_live()
+ ChannelUpdateStatus::EnabledStaged(_) if !chan.context.is_live()
=> chan.set_channel_update_status(ChannelUpdateStatus::Disabled),
- ChannelUpdateStatus::DisabledStaged(mut n) if !chan.is_live() => {
+ ChannelUpdateStatus::DisabledStaged(mut n) if !chan.context.is_live() => {
n += 1;
if n >= DISABLE_GOSSIP_TICKS {
chan.set_channel_update_status(ChannelUpdateStatus::Disabled);
chan.set_channel_update_status(ChannelUpdateStatus::DisabledStaged(n));
}
},
- ChannelUpdateStatus::EnabledStaged(mut n) if chan.is_live() => {
+ ChannelUpdateStatus::EnabledStaged(mut n) if chan.context.is_live() => {
n += 1;
if n >= ENABLE_GOSSIP_TICKS {
chan.set_channel_update_status(ChannelUpdateStatus::Enabled);
_ => {},
}
- chan.maybe_expire_prev_config();
+ chan.context.maybe_expire_prev_config();
if chan.should_disconnect_peer_awaiting_response() {
log_debug!(self.logger, "Disconnecting peer {} due to not making any progress on channel {}",
// guess somewhat. If its a public channel, we figure best to just use the real SCID (as
// we're not leaking that we have a channel with the counterparty), otherwise we try to use
// an inbound SCID alias before the real SCID.
- let scid_pref = if chan.should_announce() {
- chan.get_short_channel_id().or(chan.latest_inbound_scid_alias())
+ let scid_pref = if chan.context.should_announce() {
+ chan.context.get_short_channel_id().or(chan.context.latest_inbound_scid_alias())
} else {
- chan.latest_inbound_scid_alias().or(chan.get_short_channel_id())
+ chan.context.latest_inbound_scid_alias().or(chan.context.get_short_channel_id())
};
if let Some(scid) = scid_pref {
self.get_htlc_temp_fail_err_and_data(desired_err_code, scid, chan)
let mut peer_state_lock = peer_state_opt.unwrap();
let peer_state = &mut *peer_state_lock;
if let hash_map::Entry::Occupied(mut chan) = peer_state.channel_by_id.entry(chan_id) {
- let counterparty_node_id = chan.get().get_counterparty_node_id();
+ let counterparty_node_id = chan.get().context.get_counterparty_node_id();
let fulfill_res = chan.get_mut().get_update_fulfill_htlc_and_commit(prev_hop.htlc_id, payment_preimage, &self.logger);
if let UpdateFulfillCommitFetch::NewClaim { htlc_value_msat, monitor_update } = fulfill_res {
channel_ready: Option<msgs::ChannelReady>, announcement_sigs: Option<msgs::AnnouncementSignatures>)
-> Option<(u64, OutPoint, u128, Vec<(PendingHTLCInfo, u64)>)> {
log_trace!(self.logger, "Handling channel resumption for channel {} with {} RAA, {} commitment update, {} pending forwards, {}broadcasting funding, {} channel ready, {} announcement",
- log_bytes!(channel.channel_id()),
+ log_bytes!(channel.context.channel_id()),
if raa.is_some() { "an" } else { "no" },
if commitment_update.is_some() { "a" } else { "no" }, pending_forwards.len(),
if funding_broadcastable.is_some() { "" } else { "not " },
let mut htlc_forwards = None;
- let counterparty_node_id = channel.get_counterparty_node_id();
+ let counterparty_node_id = channel.context.get_counterparty_node_id();
if !pending_forwards.is_empty() {
- htlc_forwards = Some((channel.get_short_channel_id().unwrap_or(channel.outbound_scid_alias()),
- channel.get_funding_txo().unwrap(), channel.get_user_id(), pending_forwards));
+ htlc_forwards = Some((channel.context.get_short_channel_id().unwrap_or(channel.context.outbound_scid_alias()),
+ channel.context.get_funding_txo().unwrap(), channel.context.get_user_id(), pending_forwards));
}
if let Some(msg) = channel_ready {
}
};
log_trace!(self.logger, "ChannelMonitor updated to {}. Current highest is {}",
- highest_applied_update_id, channel.get().get_latest_monitor_update_id());
- if !channel.get().is_awaiting_monitor_update() || channel.get().get_latest_monitor_update_id() != highest_applied_update_id {
+ highest_applied_update_id, channel.get().context.get_latest_monitor_update_id());
+ if !channel.get().is_awaiting_monitor_update() || channel.get().context.get_latest_monitor_update_id() != highest_applied_update_id {
return;
}
handle_monitor_update_completion!(self, highest_applied_update_id, peer_state_lock, peer_state, per_peer_state, channel.get_mut());
fn do_accept_inbound_channel(&self, temporary_channel_id: &[u8; 32], counterparty_node_id: &PublicKey, accept_0conf: bool, user_channel_id: u128) -> Result<(), APIError> {
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- let peers_without_funded_channels = self.peers_without_funded_channels(|peer| !peer.channel_by_id.is_empty());
+ let peers_without_funded_channels =
+ self.peers_without_funded_channels(|peer| { peer.total_channel_count() > 0 });
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
.ok_or_else(|| APIError::ChannelUnavailable { err: format!("Can't find a peer matching the passed counterparty node_id {}", counterparty_node_id) })?;
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- let is_only_peer_channel = peer_state.channel_by_id.len() == 1;
- match peer_state.channel_by_id.entry(temporary_channel_id.clone()) {
+ let is_only_peer_channel = peer_state.total_channel_count() == 1;
+ match peer_state.inbound_v1_channel_by_id.entry(temporary_channel_id.clone()) {
hash_map::Entry::Occupied(mut channel) => {
- if !channel.get().inbound_is_awaiting_accept() {
+ if !channel.get().is_awaiting_accept() {
return Err(APIError::APIMisuseError { err: "The channel isn't currently awaiting to be accepted.".to_owned() });
}
if accept_0conf {
channel.get_mut().set_0conf();
- } else if channel.get().get_channel_type().requires_zero_conf() {
+ } else if channel.get().context.get_channel_type().requires_zero_conf() {
let send_msg_err_event = events::MessageSendEvent::HandleError {
- node_id: channel.get().get_counterparty_node_id(),
+ node_id: channel.get().context.get_counterparty_node_id(),
action: msgs::ErrorAction::SendErrorMessage{
msg: msgs::ErrorMessage { channel_id: temporary_channel_id.clone(), data: "No zero confirmation channels accepted".to_owned(), }
}
// channels per-peer we can accept channels from a peer with existing ones.
if is_only_peer_channel && peers_without_funded_channels >= MAX_UNFUNDED_CHANNEL_PEERS {
let send_msg_err_event = events::MessageSendEvent::HandleError {
- node_id: channel.get().get_counterparty_node_id(),
+ node_id: channel.get().context.get_counterparty_node_id(),
action: msgs::ErrorAction::SendErrorMessage{
msg: msgs::ErrorMessage { channel_id: temporary_channel_id.clone(), data: "Have too many peers with unfunded channels, not accepting new ones".to_owned(), }
}
}
peer_state.pending_msg_events.push(events::MessageSendEvent::SendAcceptChannel {
- node_id: channel.get().get_counterparty_node_id(),
+ node_id: channel.get().context.get_counterparty_node_id(),
msg: channel.get_mut().accept_inbound_channel(user_channel_id),
});
}
let peer = peer_mtx.lock().unwrap();
if !maybe_count_peer(&*peer) { continue; }
let num_unfunded_channels = Self::unfunded_channel_count(&peer, best_block_height);
- if num_unfunded_channels == peer.channel_by_id.len() {
+ if num_unfunded_channels == peer.total_channel_count() {
peers_without_funded_channels += 1;
}
}
) -> usize {
let mut num_unfunded_channels = 0;
for (_, chan) in peer.channel_by_id.iter() {
- if !chan.is_outbound() && chan.minimum_depth().unwrap_or(1) != 0 &&
- chan.get_funding_tx_confirmations(best_block_height) == 0
+ // This covers non-zero-conf inbound `Channel`s that we are currently monitoring, but those
+ // which have not yet had any confirmations on-chain.
+ if !chan.context.is_outbound() && chan.context.minimum_depth().unwrap_or(1) != 0 &&
+ chan.context.get_funding_tx_confirmations(best_block_height) == 0
{
num_unfunded_channels += 1;
}
}
+ for (_, chan) in peer.inbound_v1_channel_by_id.iter() {
+ if chan.context.minimum_depth().unwrap_or(1) != 0 {
+ num_unfunded_channels += 1;
+ }
+ }
num_unfunded_channels
}
// Get the number of peers with channels, but without funded ones. We don't care too much
// about peers that never open a channel, so we filter by peers that have at least one
// channel, and then limit the number of those with unfunded channels.
- let channeled_peers_without_funding = self.peers_without_funded_channels(|node| !node.channel_by_id.is_empty());
+ let channeled_peers_without_funding =
+ self.peers_without_funded_channels(|node| node.total_channel_count() > 0);
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
// If this peer already has some channels, a new channel won't increase our number of peers
// with unfunded channels, so as long as we aren't over the maximum number of unfunded
// channels per-peer we can accept channels from a peer with existing ones.
- if peer_state.channel_by_id.is_empty() &&
+ if peer_state.total_channel_count() == 0 &&
channeled_peers_without_funding >= MAX_UNFUNDED_CHANNEL_PEERS &&
!self.default_configuration.manually_accept_inbound_channels
{
msg.temporary_channel_id.clone()));
}
- let mut channel = match Channel::new_from_req(&self.fee_estimator, &self.entropy_source, &self.signer_provider,
+ let mut channel = match InboundV1Channel::new(&self.fee_estimator, &self.entropy_source, &self.signer_provider,
counterparty_node_id.clone(), &self.channel_type_features(), &peer_state.latest_features, msg, user_channel_id,
&self.default_configuration, best_block_height, &self.logger, outbound_scid_alias)
{
},
Ok(res) => res
};
- match peer_state.channel_by_id.entry(channel.channel_id()) {
- hash_map::Entry::Occupied(_) => {
- self.outbound_scid_aliases.lock().unwrap().remove(&outbound_scid_alias);
- return Err(MsgHandleErrInternal::send_err_msg_no_close("temporary_channel_id collision for the same peer!".to_owned(), msg.temporary_channel_id.clone()))
- },
- hash_map::Entry::Vacant(entry) => {
- if !self.default_configuration.manually_accept_inbound_channels {
- if channel.get_channel_type().requires_zero_conf() {
- return Err(MsgHandleErrInternal::send_err_msg_no_close("No zero confirmation channels accepted".to_owned(), msg.temporary_channel_id.clone()));
- }
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendAcceptChannel {
- node_id: counterparty_node_id.clone(),
- msg: channel.accept_inbound_channel(user_channel_id),
- });
- } else {
- let mut pending_events = self.pending_events.lock().unwrap();
- pending_events.push_back((events::Event::OpenChannelRequest {
- temporary_channel_id: msg.temporary_channel_id.clone(),
- counterparty_node_id: counterparty_node_id.clone(),
- funding_satoshis: msg.funding_satoshis,
- push_msat: msg.push_msat,
- channel_type: channel.get_channel_type().clone(),
- }, None));
+ let channel_id = channel.context.channel_id();
+ let channel_exists = peer_state.has_channel(&channel_id);
+ if channel_exists {
+ self.outbound_scid_aliases.lock().unwrap().remove(&outbound_scid_alias);
+ return Err(MsgHandleErrInternal::send_err_msg_no_close("temporary_channel_id collision for the same peer!".to_owned(), msg.temporary_channel_id.clone()))
+ } else {
+ if !self.default_configuration.manually_accept_inbound_channels {
+ if channel.context.get_channel_type().requires_zero_conf() {
+ return Err(MsgHandleErrInternal::send_err_msg_no_close("No zero confirmation channels accepted".to_owned(), msg.temporary_channel_id.clone()));
}
-
- entry.insert(channel);
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendAcceptChannel {
+ node_id: counterparty_node_id.clone(),
+ msg: channel.accept_inbound_channel(user_channel_id),
+ });
+ } else {
+ let mut pending_events = self.pending_events.lock().unwrap();
+ pending_events.push_back((events::Event::OpenChannelRequest {
+ temporary_channel_id: msg.temporary_channel_id.clone(),
+ counterparty_node_id: counterparty_node_id.clone(),
+ funding_satoshis: msg.funding_satoshis,
+ push_msat: msg.push_msat,
+ channel_type: channel.context.get_channel_type().clone(),
+ }, None));
}
+ peer_state.inbound_v1_channel_by_id.insert(channel_id, channel);
}
Ok(())
}
})?;
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- match peer_state.channel_by_id.entry(msg.temporary_channel_id) {
+ match peer_state.outbound_v1_channel_by_id.entry(msg.temporary_channel_id) {
hash_map::Entry::Occupied(mut chan) => {
- try_chan_entry!(self, chan.get_mut().accept_channel(&msg, &self.default_configuration.channel_handshake_limits, &peer_state.latest_features), chan);
- (chan.get().get_value_satoshis(), chan.get().get_funding_redeemscript().to_v0_p2wsh(), chan.get().get_user_id())
+ try_v1_outbound_chan_entry!(self, chan.get_mut().accept_channel(&msg, &self.default_configuration.channel_handshake_limits, &peer_state.latest_features), chan);
+ (chan.get().context.get_value_satoshis(), chan.get().context.get_funding_redeemscript().to_v0_p2wsh(), chan.get().context.get_user_id())
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.temporary_channel_id))
}
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- let ((funding_msg, monitor), chan) =
- match peer_state.channel_by_id.entry(msg.temporary_channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- (try_chan_entry!(self, chan.get_mut().funding_created(msg, best_block, &self.signer_provider, &self.logger), chan), chan.remove())
+ let (chan, funding_msg, monitor) =
+ match peer_state.inbound_v1_channel_by_id.remove(&msg.temporary_channel_id) {
+ Some(inbound_chan) => {
+ match inbound_chan.funding_created(msg, best_block, &self.signer_provider, &self.logger) {
+ Ok(res) => res,
+ Err((mut inbound_chan, err)) => {
+ // We've already removed this inbound channel from the map in `PeerState`
+ // above so at this point we just need to clean up any lingering entries
+ // concerning this channel as it is safe to do so.
+ update_maps_on_chan_removal!(self, &inbound_chan.context);
+ let user_id = inbound_chan.context.get_user_id();
+ let shutdown_res = inbound_chan.context.force_shutdown(false);
+ return Err(MsgHandleErrInternal::from_finish_shutdown(format!("{}", err),
+ msg.temporary_channel_id, user_id, shutdown_res, None));
+ },
+ }
},
- hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.temporary_channel_id))
+ None => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.temporary_channel_id))
};
match peer_state.channel_by_id.entry(funding_msg.channel_id) {
Err(MsgHandleErrInternal::send_err_msg_no_close("Already had channel with the new channel_id".to_owned(), funding_msg.channel_id))
},
hash_map::Entry::Vacant(e) => {
- match self.id_to_peer.lock().unwrap().entry(chan.channel_id()) {
+ match self.id_to_peer.lock().unwrap().entry(chan.context.channel_id()) {
hash_map::Entry::Occupied(_) => {
return Err(MsgHandleErrInternal::send_err_msg_no_close(
"The funding_created message had the same funding_txid as an existing channel - funding is not possible".to_owned(),
funding_msg.channel_id))
},
hash_map::Entry::Vacant(i_e) => {
- i_e.insert(chan.get_counterparty_node_id());
+ i_e.insert(chan.context.get_counterparty_node_id());
}
}
hash_map::Entry::Occupied(mut chan) => {
let monitor = try_chan_entry!(self,
chan.get_mut().funding_signed(&msg, best_block, &self.signer_provider, &self.logger), chan);
- let update_res = self.chain_monitor.watch_channel(chan.get().get_funding_txo().unwrap(), monitor);
+ let update_res = self.chain_monitor.watch_channel(chan.get().context.get_funding_txo().unwrap(), monitor);
let mut res = handle_new_monitor_update!(self, update_res, 0, peer_state_lock, peer_state, per_peer_state, chan);
if let Err(MsgHandleErrInternal { ref mut shutdown_finish, .. }) = res {
// We weren't able to watch the channel to begin with, so no updates should be made on
let announcement_sigs_opt = try_chan_entry!(self, chan.get_mut().channel_ready(&msg, &self.node_signer,
self.genesis_hash.clone(), &self.default_configuration, &self.best_block.read().unwrap(), &self.logger), chan);
if let Some(announcement_sigs) = announcement_sigs_opt {
- log_trace!(self.logger, "Sending announcement_signatures for channel {}", log_bytes!(chan.get().channel_id()));
+ log_trace!(self.logger, "Sending announcement_signatures for channel {}", log_bytes!(chan.get().context.channel_id()));
peer_state.pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
node_id: counterparty_node_id.clone(),
msg: announcement_sigs,
});
- } else if chan.get().is_usable() {
+ } else if chan.get().context.is_usable() {
// If we're sending an announcement_signatures, we'll send the (public)
// channel_update after sending a channel_announcement when we receive our
// counterparty's announcement_signatures. Thus, we only bother to send a
// channel_update here if the channel is not public, i.e. we're not sending an
// announcement_signatures.
- log_trace!(self.logger, "Sending private initial channel_update for our counterparty on channel {}", log_bytes!(chan.get().channel_id()));
+ log_trace!(self.logger, "Sending private initial channel_update for our counterparty on channel {}", log_bytes!(chan.get().context.channel_id()));
if let Ok(msg) = self.get_channel_update_for_unicast(chan.get()) {
peer_state.pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
node_id: counterparty_node_id.clone(),
if chan_entry.get().sent_shutdown() { " after we initiated shutdown" } else { "" });
}
- let funding_txo_opt = chan_entry.get().get_funding_txo();
+ let funding_txo_opt = chan_entry.get().context.get_funding_txo();
let (shutdown, monitor_update_opt, htlcs) = try_chan_entry!(self,
chan_entry.get_mut().shutdown(&self.signer_provider, &peer_state.latest_features, &msg), chan_entry);
dropped_htlcs = htlcs;
msg: update
});
}
- self.issue_channel_close_events(&chan, ClosureReason::CooperativeClosure);
+ self.issue_channel_close_events(&chan.context, ClosureReason::CooperativeClosure);
}
Ok(())
}
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
- let funding_txo = chan.get().get_funding_txo();
+ let funding_txo = chan.get().context.get_funding_txo();
let monitor_update_opt = try_chan_entry!(self, chan.get_mut().commitment_signed(&msg, &self.logger), chan);
if let Some(monitor_update) = monitor_update_opt {
let update_res = self.chain_monitor.update_channel(funding_txo.unwrap(), monitor_update);
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
- let funding_txo = chan.get().get_funding_txo();
+ let funding_txo = chan.get().context.get_funding_txo();
let (htlcs_to_fail, monitor_update_opt) = try_chan_entry!(self, chan.get_mut().revoke_and_ack(&msg, &self.logger), chan);
let res = if let Some(monitor_update) = monitor_update_opt {
let update_res = self.chain_monitor.update_channel(funding_txo.unwrap(), monitor_update);
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
- if !chan.get().is_usable() {
+ if !chan.get().context.is_usable() {
return Err(MsgHandleErrInternal::from_no_close(LightningError{err: "Got an announcement_signatures before we were ready for it".to_owned(), action: msgs::ErrorAction::IgnoreError}));
}
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(chan_id) {
hash_map::Entry::Occupied(mut chan) => {
- if chan.get().get_counterparty_node_id() != *counterparty_node_id {
- if chan.get().should_announce() {
+ if chan.get().context.get_counterparty_node_id() != *counterparty_node_id {
+ if chan.get().context.should_announce() {
// If the announcement is about a channel of ours which is public, some
// other peer may simply be forwarding all its gossip to us. Don't provide
// a scary-looking error message and return Ok instead.
}
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a channel_update for a channel from the wrong node - it shouldn't know about our private channels!".to_owned(), chan_id));
}
- let were_node_one = self.get_our_node_id().serialize()[..] < chan.get().get_counterparty_node_id().serialize()[..];
+ let were_node_one = self.get_our_node_id().serialize()[..] < chan.get().context.get_counterparty_node_id().serialize()[..];
let msg_from_node_one = msg.contents.flags & 1 == 0;
if were_node_one == msg_from_node_one {
return Ok(NotifyOption::SkipPersist);
node_id: counterparty_node_id.clone(),
msg,
});
- } else if chan.get().is_usable() {
+ } else if chan.get().context.is_usable() {
// If the channel is in a usable state (ie the channel is not being shut
// down), send a unicast channel_update to our counterparty to make sure
// they have the latest channel parameters.
if let Ok(msg) = self.get_channel_update_for_unicast(chan.get()) {
channel_update = Some(events::MessageSendEvent::SendChannelUpdate {
- node_id: chan.get().get_counterparty_node_id(),
+ node_id: chan.get().context.get_counterparty_node_id(),
msg,
});
}
}
- let need_lnd_workaround = chan.get_mut().workaround_lnd_bug_4006.take();
+ let need_lnd_workaround = chan.get_mut().context.workaround_lnd_bug_4006.take();
htlc_forwards = self.handle_channel_resumption(
&mut peer_state.pending_msg_events, chan.get_mut(), responses.raa, responses.commitment_update, responses.order,
Vec::new(), None, responses.channel_ready, responses.announcement_sigs);
let pending_msg_events = &mut peer_state.pending_msg_events;
if let hash_map::Entry::Occupied(chan_entry) = peer_state.channel_by_id.entry(funding_outpoint.to_channel_id()) {
let mut chan = remove_channel!(self, chan_entry);
- failed_channels.push(chan.force_shutdown(false));
+ failed_channels.push(chan.context.force_shutdown(false));
if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
msg: update
} else {
ClosureReason::CommitmentTxConfirmed
};
- self.issue_channel_close_events(&chan, reason);
+ self.issue_channel_close_events(&chan.context, reason);
pending_msg_events.push(events::MessageSendEvent::HandleError {
- node_id: chan.get_counterparty_node_id(),
+ node_id: chan.context.get_counterparty_node_id(),
action: msgs::ErrorAction::SendErrorMessage {
- msg: msgs::ErrorMessage { channel_id: chan.channel_id(), data: "Channel force-closed".to_owned() }
+ msg: msgs::ErrorMessage { channel_id: chan.context.channel_id(), data: "Channel force-closed".to_owned() }
},
});
}
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state: &mut PeerState<_> = &mut *peer_state_lock;
for (channel_id, chan) in peer_state.channel_by_id.iter_mut() {
- let counterparty_node_id = chan.get_counterparty_node_id();
- let funding_txo = chan.get_funding_txo();
+ let counterparty_node_id = chan.context.get_counterparty_node_id();
+ let funding_txo = chan.context.get_funding_txo();
let (monitor_opt, holding_cell_failed_htlcs) =
chan.maybe_free_holding_cell_htlcs(&self.logger);
if !holding_cell_failed_htlcs.is_empty() {
if let Some(msg) = msg_opt {
has_update = true;
pending_msg_events.push(events::MessageSendEvent::SendClosingSigned {
- node_id: chan.get_counterparty_node_id(), msg,
+ node_id: chan.context.get_counterparty_node_id(), msg,
});
}
if let Some(tx) = tx_opt {
});
}
- self.issue_channel_close_events(chan, ClosureReason::CooperativeClosure);
+ self.issue_channel_close_events(&chan.context, ClosureReason::CooperativeClosure);
log_info!(self.logger, "Broadcasting {}", log_tx!(tx));
self.tx_broadcaster.broadcast_transactions(&[&tx]);
- update_maps_on_chan_removal!(self, chan);
+ update_maps_on_chan_removal!(self, &chan.context);
false
} else { true }
},
Err(e) => {
has_update = true;
let (close_channel, res) = convert_chan_err!(self, e, chan, channel_id);
- handle_errors.push((chan.get_counterparty_node_id(), Err(res)));
+ handle_errors.push((chan.context.get_counterparty_node_id(), Err(res)));
!close_channel
}
}
}
if let hash_map::Entry::Occupied(mut chan) = peer_state.channel_by_id.entry(channel_funding_outpoint.to_channel_id()) {
- debug_assert_eq!(chan.get().get_funding_txo().unwrap(), channel_funding_outpoint);
+ debug_assert_eq!(chan.get().context.get_funding_txo().unwrap(), channel_funding_outpoint);
if let Some((monitor_update, further_update_exists)) = chan.get_mut().unblock_next_blocked_monitor_update() {
log_debug!(self.logger, "Unlocking monitor updating for channel {} and updating monitor",
log_bytes!(&channel_funding_outpoint.to_channel_id()[..]));
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
for chan in peer_state.channel_by_id.values() {
- if let (Some(funding_txo), Some(block_hash)) = (chan.get_funding_txo(), chan.get_funding_tx_confirmed_in()) {
+ if let (Some(funding_txo), Some(block_hash)) = (chan.context.get_funding_txo(), chan.context.get_funding_tx_confirmed_in()) {
res.push((funding_txo.txid, Some(block_hash)));
}
}
let _persistence_guard = PersistenceNotifierGuard::optionally_notify(&self.total_consistency_lock,
&self.persistence_notifier, || -> NotifyOption { NotifyOption::DoPersist });
self.do_chain_event(None, |channel| {
- if let Some(funding_txo) = channel.get_funding_txo() {
+ if let Some(funding_txo) = channel.context.get_funding_txo() {
if funding_txo.txid == *txid {
channel.funding_transaction_unconfirmed(&self.logger).map(|()| (None, Vec::new(), None))
} else { Ok((None, Vec::new(), None)) }
for (source, payment_hash) in timed_out_pending_htlcs.drain(..) {
let (failure_code, data) = self.get_htlc_inbound_temp_fail_err_and_data(0x1000|14 /* expiry_too_soon */, &channel);
timed_out_htlcs.push((source, payment_hash, HTLCFailReason::reason(failure_code, data),
- HTLCDestination::NextHopChannel { node_id: Some(channel.get_counterparty_node_id()), channel_id: channel.channel_id() }));
+ HTLCDestination::NextHopChannel { node_id: Some(channel.context.get_counterparty_node_id()), channel_id: channel.context.channel_id() }));
}
if let Some(channel_ready) = channel_ready_opt {
send_channel_ready!(self, pending_msg_events, channel, channel_ready);
- if channel.is_usable() {
- log_trace!(self.logger, "Sending channel_ready with private initial channel_update for our counterparty on channel {}", log_bytes!(channel.channel_id()));
+ if channel.context.is_usable() {
+ log_trace!(self.logger, "Sending channel_ready with private initial channel_update for our counterparty on channel {}", log_bytes!(channel.context.channel_id()));
if let Ok(msg) = self.get_channel_update_for_unicast(channel) {
pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
- node_id: channel.get_counterparty_node_id(),
+ node_id: channel.context.get_counterparty_node_id(),
msg,
});
}
} else {
- log_trace!(self.logger, "Sending channel_ready WITHOUT channel_update for {}", log_bytes!(channel.channel_id()));
+ log_trace!(self.logger, "Sending channel_ready WITHOUT channel_update for {}", log_bytes!(channel.context.channel_id()));
}
}
}
if let Some(announcement_sigs) = announcement_sigs {
- log_trace!(self.logger, "Sending announcement_signatures for channel {}", log_bytes!(channel.channel_id()));
+ log_trace!(self.logger, "Sending announcement_signatures for channel {}", log_bytes!(channel.context.channel_id()));
pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
- node_id: channel.get_counterparty_node_id(),
+ node_id: channel.context.get_counterparty_node_id(),
msg: announcement_sigs,
});
if let Some(height) = height_opt {
}
}
if channel.is_our_channel_ready() {
- if let Some(real_scid) = channel.get_short_channel_id() {
+ if let Some(real_scid) = channel.context.get_short_channel_id() {
// If we sent a 0conf channel_ready, and now have an SCID, we add it
// to the short_to_chan_info map here. Note that we check whether we
// can relay using the real SCID at relay-time (i.e.
// un-confirmed we force-close the channel, ensuring short_to_chan_info
// is always consistent.
let mut short_to_chan_info = self.short_to_chan_info.write().unwrap();
- let scid_insert = short_to_chan_info.insert(real_scid, (channel.get_counterparty_node_id(), channel.channel_id()));
- assert!(scid_insert.is_none() || scid_insert.unwrap() == (channel.get_counterparty_node_id(), channel.channel_id()),
+ let scid_insert = short_to_chan_info.insert(real_scid, (channel.context.get_counterparty_node_id(), channel.context.channel_id()));
+ assert!(scid_insert.is_none() || scid_insert.unwrap() == (channel.context.get_counterparty_node_id(), channel.context.channel_id()),
"SCIDs should never collide - ensure you weren't behind by a full {} blocks when creating channels",
fake_scid::MAX_SCID_BLOCKS_FROM_NOW);
}
}
} else if let Err(reason) = res {
- update_maps_on_chan_removal!(self, channel);
+ update_maps_on_chan_removal!(self, &channel.context);
// It looks like our counterparty went on-chain or funding transaction was
// reorged out of the main chain. Close the channel.
- failed_channels.push(channel.force_shutdown(true));
+ failed_channels.push(channel.context.force_shutdown(true));
if let Ok(update) = self.get_channel_update_for_broadcast(&channel) {
pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
msg: update
});
}
let reason_message = format!("{}", reason);
- self.issue_channel_close_events(channel, reason);
+ self.issue_channel_close_events(&channel.context, reason);
pending_msg_events.push(events::MessageSendEvent::HandleError {
- node_id: channel.get_counterparty_node_id(),
+ node_id: channel.context.get_counterparty_node_id(),
action: msgs::ErrorAction::SendErrorMessage { msg: msgs::ErrorMessage {
- channel_id: channel.channel_id(),
+ channel_id: channel.context.channel_id(),
data: reason_message,
} },
});
peer_state.channel_by_id.retain(|_, chan| {
chan.remove_uncommitted_htlcs_and_mark_paused(&self.logger);
if chan.is_shutdown() {
- update_maps_on_chan_removal!(self, chan);
- self.issue_channel_close_events(chan, ClosureReason::DisconnectedPeer);
+ update_maps_on_chan_removal!(self, &chan.context);
+ self.issue_channel_close_events(&chan.context, ClosureReason::DisconnectedPeer);
return false;
}
true
});
+ peer_state.inbound_v1_channel_by_id.retain(|_, chan| {
+ update_maps_on_chan_removal!(self, &chan.context);
+ self.issue_channel_close_events(&chan.context, ClosureReason::DisconnectedPeer);
+ false
+ });
+ peer_state.outbound_v1_channel_by_id.retain(|_, chan| {
+ update_maps_on_chan_removal!(self, &chan.context);
+ self.issue_channel_close_events(&chan.context, ClosureReason::DisconnectedPeer);
+ false
+ });
pending_msg_events.retain(|msg| {
match msg {
// V1 Channel Establishment
}
e.insert(Mutex::new(PeerState {
channel_by_id: HashMap::new(),
+ outbound_v1_channel_by_id: HashMap::new(),
+ inbound_v1_channel_by_id: HashMap::new(),
latest_features: init_msg.features.clone(),
pending_msg_events: Vec::new(),
monitor_update_blocked_actions: BTreeMap::new(),
let peer_state = &mut *peer_state_lock;
let pending_msg_events = &mut peer_state.pending_msg_events;
peer_state.channel_by_id.retain(|_, chan| {
- let retain = if chan.get_counterparty_node_id() == *counterparty_node_id {
- if !chan.have_received_message() {
+ let retain = if chan.context.get_counterparty_node_id() == *counterparty_node_id {
+ if !chan.context.have_received_message() {
// If we created this (outbound) channel while we were disconnected from the
// peer we probably failed to send the open_channel message, which is now
// lost. We can't have had anything pending related to this channel, so we just
false
} else {
pending_msg_events.push(events::MessageSendEvent::SendChannelReestablish {
- node_id: chan.get_counterparty_node_id(),
+ node_id: chan.context.get_counterparty_node_id(),
msg: chan.get_channel_reestablish(&self.logger),
});
true
}
} else { true };
- if retain && chan.get_counterparty_node_id() != *counterparty_node_id {
+ if retain && chan.context.get_counterparty_node_id() != *counterparty_node_id {
if let Some(msg) = chan.get_signed_channel_announcement(&self.node_signer, self.genesis_hash.clone(), self.best_block.read().unwrap().height(), &self.default_configuration) {
if let Ok(update_msg) = self.get_channel_update_for_broadcast(chan) {
pending_msg_events.push(events::MessageSendEvent::SendChannelAnnouncement {
if peer_state_mutex_opt.is_none() { return; }
let mut peer_state_lock = peer_state_mutex_opt.unwrap().lock().unwrap();
let peer_state = &mut *peer_state_lock;
- peer_state.channel_by_id.keys().cloned().collect()
+ peer_state.channel_by_id.keys().cloned()
+ .chain(peer_state.outbound_v1_channel_by_id.keys().cloned())
+ .chain(peer_state.inbound_v1_channel_by_id.keys().cloned()).collect()
};
for channel_id in channel_ids {
// Untrusted messages from peer, we throw away the error if id points to a non-existent channel
if peer_state_mutex_opt.is_none() { return; }
let mut peer_state_lock = peer_state_mutex_opt.unwrap().lock().unwrap();
let peer_state = &mut *peer_state_lock;
- if let Some(chan) = peer_state.channel_by_id.get_mut(&msg.channel_id) {
+ if let Some(chan) = peer_state.outbound_v1_channel_by_id.get_mut(&msg.channel_id) {
if let Ok(msg) = chan.maybe_handle_error_without_close(self.genesis_hash) {
peer_state.pending_msg_events.push(events::MessageSendEvent::SendOpenChannel {
node_id: *counterparty_node_id,
}
number_of_channels += peer_state.channel_by_id.len();
for (_, channel) in peer_state.channel_by_id.iter() {
- if !channel.is_funding_initiated() {
+ if !channel.context.is_funding_initiated() {
unfunded_channels += 1;
}
}
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
for (_, channel) in peer_state.channel_by_id.iter() {
- if channel.is_funding_initiated() {
+ if channel.context.is_funding_initiated() {
channel.write(writer)?;
}
}
pub default_config: UserConfig,
/// A map from channel funding outpoints to ChannelMonitors for those channels (ie
- /// value.get_funding_txo() should be the key).
+ /// value.context.get_funding_txo() should be the key).
///
/// If a monitor is inconsistent with the channel state during deserialization the channel will
/// be force-closed using the data in the ChannelMonitor and the channel will be dropped. This
let mut channel: Channel<<SP::Target as SignerProvider>::Signer> = Channel::read(reader, (
&args.entropy_source, &args.signer_provider, best_block_height, &provided_channel_type_features(&args.default_config)
))?;
- let funding_txo = channel.get_funding_txo().ok_or(DecodeError::InvalidValue)?;
+ let funding_txo = channel.context.get_funding_txo().ok_or(DecodeError::InvalidValue)?;
funding_txo_set.insert(funding_txo.clone());
if let Some(ref mut monitor) = args.channel_monitors.get_mut(&funding_txo) {
if channel.get_latest_complete_monitor_update_id() > monitor.get_latest_update_id() {
// If the channel is ahead of the monitor, return InvalidValue:
log_error!(args.logger, "A ChannelMonitor is stale compared to the current ChannelManager! This indicates a potentially-critical violation of the chain::Watch API!");
log_error!(args.logger, " The ChannelMonitor for channel {} is at update_id {} but the ChannelManager is at update_id {}.",
- log_bytes!(channel.channel_id()), monitor.get_latest_update_id(), channel.get_latest_complete_monitor_update_id());
+ log_bytes!(channel.context.channel_id()), monitor.get_latest_update_id(), channel.get_latest_complete_monitor_update_id());
log_error!(args.logger, " The chain::Watch API *requires* that monitors are persisted durably before returning,");
log_error!(args.logger, " client applications must ensure that ChannelMonitor data is always available and the latest to avoid funds loss!");
log_error!(args.logger, " Without the latest ChannelMonitor we cannot continue without risking funds.");
} else if channel.get_cur_holder_commitment_transaction_number() > monitor.get_cur_holder_commitment_number() ||
channel.get_revoked_counterparty_commitment_transaction_number() > monitor.get_min_seen_secret() ||
channel.get_cur_counterparty_commitment_transaction_number() > monitor.get_cur_counterparty_commitment_number() ||
- channel.get_latest_monitor_update_id() < monitor.get_latest_update_id() {
+ channel.context.get_latest_monitor_update_id() < monitor.get_latest_update_id() {
// But if the channel is behind of the monitor, close the channel:
log_error!(args.logger, "A ChannelManager is stale compared to the current ChannelMonitor!");
log_error!(args.logger, " The channel will be force-closed and the latest commitment transaction from the ChannelMonitor broadcast.");
log_error!(args.logger, " The ChannelMonitor for channel {} is at update_id {} but the ChannelManager is at update_id {}.",
- log_bytes!(channel.channel_id()), monitor.get_latest_update_id(), channel.get_latest_monitor_update_id());
- let (monitor_update, mut new_failed_htlcs) = channel.force_shutdown(true);
+ log_bytes!(channel.context.channel_id()), monitor.get_latest_update_id(), channel.context.get_latest_monitor_update_id());
+ let (monitor_update, mut new_failed_htlcs) = channel.context.force_shutdown(true);
if let Some((counterparty_node_id, funding_txo, update)) = monitor_update {
pending_background_events.push(BackgroundEvent::MonitorUpdateRegeneratedOnStartup {
counterparty_node_id, funding_txo, update
}
failed_htlcs.append(&mut new_failed_htlcs);
channel_closures.push_back((events::Event::ChannelClosed {
- channel_id: channel.channel_id(),
- user_channel_id: channel.get_user_id(),
+ channel_id: channel.context.channel_id(),
+ user_channel_id: channel.context.get_user_id(),
reason: ClosureReason::OutdatedChannelManager
}, None));
for (channel_htlc_source, payment_hash) in channel.inflight_htlc_sources() {
// backwards leg of the HTLC will simply be rejected.
log_info!(args.logger,
"Failing HTLC with hash {} as it is missing in the ChannelMonitor for channel {} but was present in the (stale) ChannelManager",
- log_bytes!(channel.channel_id()), log_bytes!(payment_hash.0));
- failed_htlcs.push((channel_htlc_source.clone(), *payment_hash, channel.get_counterparty_node_id(), channel.channel_id()));
+ log_bytes!(channel.context.channel_id()), log_bytes!(payment_hash.0));
+ failed_htlcs.push((channel_htlc_source.clone(), *payment_hash, channel.context.get_counterparty_node_id(), channel.context.channel_id()));
}
}
} else {
log_info!(args.logger, "Successfully loaded channel {} at update_id {} against monitor at update id {}",
- log_bytes!(channel.channel_id()), channel.get_latest_monitor_update_id(),
+ log_bytes!(channel.context.channel_id()), channel.context.get_latest_monitor_update_id(),
monitor.get_latest_update_id());
channel.complete_all_mon_updates_through(monitor.get_latest_update_id());
- if let Some(short_channel_id) = channel.get_short_channel_id() {
- short_to_chan_info.insert(short_channel_id, (channel.get_counterparty_node_id(), channel.channel_id()));
+ if let Some(short_channel_id) = channel.context.get_short_channel_id() {
+ short_to_chan_info.insert(short_channel_id, (channel.context.get_counterparty_node_id(), channel.context.channel_id()));
}
- if channel.is_funding_initiated() {
- id_to_peer.insert(channel.channel_id(), channel.get_counterparty_node_id());
+ if channel.context.is_funding_initiated() {
+ id_to_peer.insert(channel.context.channel_id(), channel.context.get_counterparty_node_id());
}
- match peer_channels.entry(channel.get_counterparty_node_id()) {
+ match peer_channels.entry(channel.context.get_counterparty_node_id()) {
hash_map::Entry::Occupied(mut entry) => {
let by_id_map = entry.get_mut();
- by_id_map.insert(channel.channel_id(), channel);
+ by_id_map.insert(channel.context.channel_id(), channel);
},
hash_map::Entry::Vacant(entry) => {
let mut by_id_map = HashMap::new();
- by_id_map.insert(channel.channel_id(), channel);
+ by_id_map.insert(channel.context.channel_id(), channel);
entry.insert(by_id_map);
}
}
// If we were persisted and shut down while the initial ChannelMonitor persistence
// was in-progress, we never broadcasted the funding transaction and can still
// safely discard the channel.
- let _ = channel.force_shutdown(false);
+ let _ = channel.context.force_shutdown(false);
channel_closures.push_back((events::Event::ChannelClosed {
- channel_id: channel.channel_id(),
- user_channel_id: channel.get_user_id(),
+ channel_id: channel.context.channel_id(),
+ user_channel_id: channel.context.get_user_id(),
reason: ClosureReason::DisconnectedPeer,
}, None));
} else {
- log_error!(args.logger, "Missing ChannelMonitor for channel {} needed by ChannelManager.", log_bytes!(channel.channel_id()));
+ log_error!(args.logger, "Missing ChannelMonitor for channel {} needed by ChannelManager.", log_bytes!(channel.context.channel_id()));
log_error!(args.logger, " The chain::Watch API *requires* that monitors are persisted durably before returning,");
log_error!(args.logger, " client applications must ensure that ChannelMonitor data is always available and the latest to avoid funds loss!");
log_error!(args.logger, " Without the ChannelMonitor we cannot continue without risking funds.");
let peer_pubkey = Readable::read(reader)?;
let peer_state = PeerState {
channel_by_id: peer_channels.remove(&peer_pubkey).unwrap_or(HashMap::new()),
+ outbound_v1_channel_by_id: HashMap::new(),
+ inbound_v1_channel_by_id: HashMap::new(),
latest_features: Readable::read(reader)?,
pending_msg_events: Vec::new(),
monitor_update_blocked_actions: BTreeMap::new(),
let peer_state = peer_mtx.lock().unwrap();
for (_, chan) in peer_state.channel_by_id.iter() {
for update in chan.uncompleted_unblocked_mon_updates() {
- if let Some(funding_txo) = chan.get_funding_txo() {
+ if let Some(funding_txo) = chan.context.get_funding_txo() {
log_trace!(args.logger, "Replaying ChannelMonitorUpdate {} for channel {}",
update.update_id, log_bytes!(funding_txo.to_channel_id()));
pending_background_events.push(
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
for (chan_id, chan) in peer_state.channel_by_id.iter_mut() {
- if chan.outbound_scid_alias() == 0 {
+ if chan.context.outbound_scid_alias() == 0 {
let mut outbound_scid_alias;
loop {
outbound_scid_alias = fake_scid::Namespace::OutboundAlias
.get_fake_scid(best_block_height, &genesis_hash, fake_scid_rand_bytes.as_ref().unwrap(), &args.entropy_source);
if outbound_scid_aliases.insert(outbound_scid_alias) { break; }
}
- chan.set_outbound_scid_alias(outbound_scid_alias);
- } else if !outbound_scid_aliases.insert(chan.outbound_scid_alias()) {
+ chan.context.set_outbound_scid_alias(outbound_scid_alias);
+ } else if !outbound_scid_aliases.insert(chan.context.outbound_scid_alias()) {
// Note that in rare cases its possible to hit this while reading an older
// channel if we just happened to pick a colliding outbound alias above.
- log_error!(args.logger, "Got duplicate outbound SCID alias; {}", chan.outbound_scid_alias());
+ log_error!(args.logger, "Got duplicate outbound SCID alias; {}", chan.context.outbound_scid_alias());
return Err(DecodeError::InvalidValue);
}
- if chan.is_usable() {
- if short_to_chan_info.insert(chan.outbound_scid_alias(), (chan.get_counterparty_node_id(), *chan_id)).is_some() {
+ if chan.context.is_usable() {
+ if short_to_chan_info.insert(chan.context.outbound_scid_alias(), (chan.context.get_counterparty_node_id(), *chan_id)).is_some() {
// Note that in rare cases its possible to hit this while reading an older
// channel if we just happened to pick a colliding outbound alias above.
- log_error!(args.logger, "Got duplicate outbound SCID alias; {}", chan.outbound_scid_alias());
+ log_error!(args.logger, "Got duplicate outbound SCID alias; {}", chan.context.outbound_scid_alias());
return Err(DecodeError::InvalidValue);
}
}
projects / rust-lightning / blobdiff