+
+ /// Begins the shutdown process, getting a message for the remote peer and returning all
+ /// holding cell HTLCs for payment failure.
+ pub fn get_shutdown(&mut self) -> Result<(msgs::Shutdown, Vec<(HTLCSource, [u8; 32])>), APIError> {
+ for htlc in self.pending_outbound_htlcs.iter() {
+ if let OutboundHTLCState::LocalAnnounced(_) = htlc.state {
+ return Err(APIError::APIMisuseError{err: "Cannot begin shutdown with pending HTLCs. Process pending events first"});
+ }
+ }
+ if self.channel_state & BOTH_SIDES_SHUTDOWN_MASK != 0 {
+ if (self.channel_state & ChannelState::LocalShutdownSent as u32) == ChannelState::LocalShutdownSent as u32 {
+ return Err(APIError::APIMisuseError{err: "Shutdown already in progress"});
+ }
+ else if (self.channel_state & ChannelState::RemoteShutdownSent as u32) == ChannelState::RemoteShutdownSent as u32 {
+ return Err(APIError::ChannelUnavailable{err: "Shutdown already in progress by remote"});
+ }
+ }
+ assert_eq!(self.channel_state & ChannelState::ShutdownComplete as u32, 0);
+ if self.channel_state & (ChannelState::PeerDisconnected as u32 | ChannelState::MonitorUpdateFailed as u32) != 0 {
+ return Err(APIError::ChannelUnavailable{err: "Cannot begin shutdown while peer is disconnected or we're waiting on a monitor update, maybe force-close instead?"});
+ }
+
+ let our_closing_script = self.get_closing_scriptpubkey();
+
+ // From here on out, we may not fail!
+ if self.channel_state < ChannelState::FundingSent as u32 {
+ self.channel_state = ChannelState::ShutdownComplete as u32;
+ } else {
+ self.channel_state |= ChannelState::LocalShutdownSent as u32;
+ }
+ self.channel_update_count += 1;
+
+ // Go ahead and drop holding cell updates as we'd rather fail payments than wait to send
+ // our shutdown until we've committed all of the pending changes.
+ self.holding_cell_update_fee = None;
+ let mut dropped_outbound_htlcs = Vec::with_capacity(self.holding_cell_htlc_updates.len());
+ self.holding_cell_htlc_updates.retain(|htlc_update| {
+ match htlc_update {
+ &HTLCUpdateAwaitingACK::AddHTLC { ref payment_hash, ref source, .. } => {
+ dropped_outbound_htlcs.push((source.clone(), payment_hash.clone()));
+ false
+ },
+ _ => true
+ }
+ });
+
+ Ok((msgs::Shutdown {
+ channel_id: self.channel_id,
+ scriptpubkey: our_closing_script,
+ }, dropped_outbound_htlcs))
+ }
+
+ /// Gets the latest commitment transaction and any dependant transactions for relay (forcing
+ /// shutdown of this channel - no more calls into this Channel may be made afterwards except
+ /// those explicitly stated to be allowed after shutdown completes, eg some simple getters).
+ /// Also returns the list of payment_hashes for channels which we can safely fail backwards
+ /// immediately (others we will have to allow to time out).
+ pub fn force_shutdown(&mut self) -> (Vec<Transaction>, Vec<(HTLCSource, [u8; 32])>) {
+ assert!(self.channel_state != ChannelState::ShutdownComplete as u32);
+
+ // We go ahead and "free" any holding cell HTLCs or HTLCs we haven't yet committed to and
+ // return them to fail the payment.
+ let mut dropped_outbound_htlcs = Vec::with_capacity(self.holding_cell_htlc_updates.len());
+ for htlc_update in self.holding_cell_htlc_updates.drain(..) {
+ match htlc_update {
+ HTLCUpdateAwaitingACK::AddHTLC { source, payment_hash, .. } => {
+ dropped_outbound_htlcs.push((source, payment_hash));
+ },
+ _ => {}
+ }
+ }
+
+ for _htlc in self.pending_outbound_htlcs.drain(..) {
+ //TODO: Do something with the remaining HTLCs
+ //(we need to have the ChannelManager monitor them so we can claim the inbound HTLCs
+ //which correspond)
+ }
+
+ self.channel_state = ChannelState::ShutdownComplete as u32;
+ self.channel_update_count += 1;
+ let mut res = Vec::new();
+ mem::swap(&mut res, &mut self.last_local_commitment_txn);
+ (res, dropped_outbound_htlcs)
+ }
+}
+
+const SERIALIZATION_VERSION: u8 = 1;
+const MIN_SERIALIZATION_VERSION: u8 = 1;
+
+impl Writeable for InboundHTLCRemovalReason {
+ fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
+ match self {
+ &InboundHTLCRemovalReason::FailRelay(ref error_packet) => {
+ 0u8.write(writer)?;
+ error_packet.write(writer)?;
+ },
+ &InboundHTLCRemovalReason::FailMalformed((ref onion_hash, ref err_code)) => {
+ 1u8.write(writer)?;
+ onion_hash.write(writer)?;
+ err_code.write(writer)?;
+ },
+ &InboundHTLCRemovalReason::Fulfill(ref payment_preimage) => {
+ 2u8.write(writer)?;
+ payment_preimage.write(writer)?;
+ },
+ }
+ Ok(())
+ }
+}
+
+impl<R: ::std::io::Read> Readable<R> for InboundHTLCRemovalReason {
+ fn read(reader: &mut R) -> Result<Self, DecodeError> {
+ Ok(match <u8 as Readable<R>>::read(reader)? {
+ 0 => InboundHTLCRemovalReason::FailRelay(Readable::read(reader)?),
+ 1 => InboundHTLCRemovalReason::FailMalformed((Readable::read(reader)?, Readable::read(reader)?)),
+ 2 => InboundHTLCRemovalReason::Fulfill(Readable::read(reader)?),
+ _ => return Err(DecodeError::InvalidValue),
+ })
+ }
+}
+
+impl Writeable for Channel {
+ fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
+ // Note that we write out as if remove_uncommitted_htlcs_and_mark_paused had just been
+ // called but include holding cell updates (and obviously we don't modify self).
+
+ writer.write_all(&[SERIALIZATION_VERSION; 1])?;
+ writer.write_all(&[MIN_SERIALIZATION_VERSION; 1])?;
+
+ self.user_id.write(writer)?;
+ self.config.write(writer)?;
+
+ self.channel_id.write(writer)?;
+ (self.channel_state | ChannelState::PeerDisconnected as u32).write(writer)?;
+ self.channel_outbound.write(writer)?;
+ self.channel_value_satoshis.write(writer)?;
+
+ self.local_keys.write(writer)?;
+ self.shutdown_pubkey.write(writer)?;
+
+ self.cur_local_commitment_transaction_number.write(writer)?;
+ self.cur_remote_commitment_transaction_number.write(writer)?;
+ self.value_to_self_msat.write(writer)?;
+
+ self.received_commitment_while_awaiting_raa.write(writer)?;
+
+ let mut dropped_inbound_htlcs = 0;
+ for htlc in self.pending_inbound_htlcs.iter() {
+ if let InboundHTLCState::RemoteAnnounced(_) = htlc.state {
+ dropped_inbound_htlcs += 1;
+ }
+ }
+ (self.pending_inbound_htlcs.len() as u64 - dropped_inbound_htlcs).write(writer)?;
+ for htlc in self.pending_inbound_htlcs.iter() {
+ htlc.htlc_id.write(writer)?;
+ htlc.amount_msat.write(writer)?;
+ htlc.cltv_expiry.write(writer)?;
+ htlc.payment_hash.write(writer)?;
+ match &htlc.state {
+ &InboundHTLCState::RemoteAnnounced(_) => {}, // Drop
+ &InboundHTLCState::AwaitingRemoteRevokeToAnnounce(ref htlc_state) => {
+ 1u8.write(writer)?;
+ htlc_state.write(writer)?;
+ },
+ &InboundHTLCState::AwaitingAnnouncedRemoteRevoke(ref htlc_state) => {
+ 2u8.write(writer)?;
+ htlc_state.write(writer)?;
+ },
+ &InboundHTLCState::Committed => {
+ 3u8.write(writer)?;
+ },
+ &InboundHTLCState::LocalRemoved(ref removal_reason) => {
+ 4u8.write(writer)?;
+ removal_reason.write(writer)?;
+ },
+ }
+ }
+
+ macro_rules! write_option {
+ ($thing: expr) => {
+ match &$thing {
+ &None => 0u8.write(writer)?,
+ &Some(ref v) => {
+ 1u8.write(writer)?;
+ v.write(writer)?;
+ },
+ }
+ }
+ }
+
+ (self.pending_outbound_htlcs.len() as u64).write(writer)?;
+ for htlc in self.pending_outbound_htlcs.iter() {
+ htlc.htlc_id.write(writer)?;
+ htlc.amount_msat.write(writer)?;
+ htlc.cltv_expiry.write(writer)?;
+ htlc.payment_hash.write(writer)?;
+ htlc.source.write(writer)?;
+ write_option!(htlc.fail_reason);
+ match &htlc.state {
+ &OutboundHTLCState::LocalAnnounced(ref onion_packet) => {
+ 0u8.write(writer)?;
+ onion_packet.write(writer)?;
+ },
+ &OutboundHTLCState::Committed => {
+ 1u8.write(writer)?;
+ },
+ &OutboundHTLCState::RemoteRemoved => {
+ 2u8.write(writer)?;
+ },
+ &OutboundHTLCState::AwaitingRemoteRevokeToRemove => {
+ 3u8.write(writer)?;
+ },
+ &OutboundHTLCState::AwaitingRemovedRemoteRevoke => {
+ 4u8.write(writer)?;
+ },
+ }
+ }
+
+ (self.holding_cell_htlc_updates.len() as u64).write(writer)?;
+ for update in self.holding_cell_htlc_updates.iter() {
+ match update {
+ &HTLCUpdateAwaitingACK::AddHTLC { ref amount_msat, ref cltv_expiry, ref payment_hash, ref source, ref onion_routing_packet, time_created: _ } => {
+ 0u8.write(writer)?;
+ amount_msat.write(writer)?;
+ cltv_expiry.write(writer)?;
+ payment_hash.write(writer)?;
+ source.write(writer)?;
+ onion_routing_packet.write(writer)?;
+ // time_created is not serialized - we re-init the timeout upon deserialization
+ },
+ &HTLCUpdateAwaitingACK::ClaimHTLC { ref payment_preimage, ref htlc_id } => {
+ 1u8.write(writer)?;
+ payment_preimage.write(writer)?;
+ htlc_id.write(writer)?;
+ },
+ &HTLCUpdateAwaitingACK::FailHTLC { ref htlc_id, ref err_packet } => {
+ 2u8.write(writer)?;
+ htlc_id.write(writer)?;
+ err_packet.write(writer)?;
+ }
+ }
+ }
+
+ self.monitor_pending_revoke_and_ack.write(writer)?;
+ self.monitor_pending_commitment_signed.write(writer)?;
+ match self.monitor_pending_order {
+ None => 0u8.write(writer)?,
+ Some(RAACommitmentOrder::CommitmentFirst) => 1u8.write(writer)?,
+ Some(RAACommitmentOrder::RevokeAndACKFirst) => 2u8.write(writer)?,
+ }
+
+ (self.monitor_pending_forwards.len() as u64).write(writer)?;
+ for &(ref pending_forward, ref htlc_id) in self.monitor_pending_forwards.iter() {
+ pending_forward.write(writer)?;
+ htlc_id.write(writer)?;
+ }
+
+ (self.monitor_pending_failures.len() as u64).write(writer)?;
+ for &(ref htlc_source, ref payment_hash, ref fail_reason) in self.monitor_pending_failures.iter() {
+ htlc_source.write(writer)?;
+ payment_hash.write(writer)?;
+ fail_reason.write(writer)?;
+ }
+
+ write_option!(self.pending_update_fee);
+ write_option!(self.holding_cell_update_fee);
+
+ self.next_local_htlc_id.write(writer)?;
+ (self.next_remote_htlc_id - dropped_inbound_htlcs).write(writer)?;
+ self.channel_update_count.write(writer)?;
+ self.feerate_per_kw.write(writer)?;
+
+ (self.last_local_commitment_txn.len() as u64).write(writer)?;
+ for tx in self.last_local_commitment_txn.iter() {
+ if let Err(e) = tx.consensus_encode(&mut WriterWriteAdaptor(writer)) {
+ match e {
+ encode::Error::Io(e) => return Err(e),
+ _ => panic!("last_local_commitment_txn must have been well-formed!"),
+ }
+ }
+ }
+
+ match self.last_sent_closing_fee {
+ Some((feerate, fee)) => {
+ 1u8.write(writer)?;
+ feerate.write(writer)?;
+ fee.write(writer)?;
+ },
+ None => 0u8.write(writer)?,
+ }
+
+ write_option!(self.funding_tx_confirmed_in);
+ write_option!(self.short_channel_id);
+
+ self.last_block_connected.write(writer)?;
+ self.funding_tx_confirmations.write(writer)?;
+
+ self.their_dust_limit_satoshis.write(writer)?;
+ self.our_dust_limit_satoshis.write(writer)?;
+ self.their_max_htlc_value_in_flight_msat.write(writer)?;
+ self.their_channel_reserve_satoshis.write(writer)?;
+ self.their_htlc_minimum_msat.write(writer)?;
+ self.our_htlc_minimum_msat.write(writer)?;
+ self.their_to_self_delay.write(writer)?;
+ self.their_max_accepted_htlcs.write(writer)?;
+ self.minimum_depth.write(writer)?;
+
+ write_option!(self.their_funding_pubkey);
+ write_option!(self.their_revocation_basepoint);
+ write_option!(self.their_payment_basepoint);
+ write_option!(self.their_delayed_payment_basepoint);
+ write_option!(self.their_htlc_basepoint);
+ write_option!(self.their_cur_commitment_point);
+
+ write_option!(self.their_prev_commitment_point);
+ self.their_node_id.write(writer)?;
+
+ write_option!(self.their_shutdown_scriptpubkey);
+
+ self.channel_monitor.write_for_disk(writer)?;
+ Ok(())
+ }
+}
+
+impl<R : ::std::io::Read> ReadableArgs<R, Arc<Logger>> for Channel {
+ fn read(reader: &mut R, logger: Arc<Logger>) -> Result<Self, DecodeError> {
+ let _ver: u8 = Readable::read(reader)?;
+ let min_ver: u8 = Readable::read(reader)?;
+ if min_ver > SERIALIZATION_VERSION {
+ return Err(DecodeError::UnknownVersion);
+ }
+
+ let user_id = Readable::read(reader)?;
+ let config: ChannelConfig = Readable::read(reader)?;
+
+ let channel_id = Readable::read(reader)?;
+ let channel_state = Readable::read(reader)?;
+ let channel_outbound = Readable::read(reader)?;
+ let channel_value_satoshis = Readable::read(reader)?;
+
+ let local_keys = Readable::read(reader)?;
+ let shutdown_pubkey = Readable::read(reader)?;
+
+ let cur_local_commitment_transaction_number = Readable::read(reader)?;
+ let cur_remote_commitment_transaction_number = Readable::read(reader)?;
+ let value_to_self_msat = Readable::read(reader)?;
+
+ let received_commitment_while_awaiting_raa = Readable::read(reader)?;
+
+ let pending_inbound_htlc_count: u64 = Readable::read(reader)?;
+ let mut pending_inbound_htlcs = Vec::with_capacity(cmp::min(pending_inbound_htlc_count as usize, OUR_MAX_HTLCS as usize));
+ for _ in 0..pending_inbound_htlc_count {
+ pending_inbound_htlcs.push(InboundHTLCOutput {
+ htlc_id: Readable::read(reader)?,
+ amount_msat: Readable::read(reader)?,
+ cltv_expiry: Readable::read(reader)?,
+ payment_hash: Readable::read(reader)?,
+ state: match <u8 as Readable<R>>::read(reader)? {
+ 1 => InboundHTLCState::AwaitingRemoteRevokeToAnnounce(Readable::read(reader)?),
+ 2 => InboundHTLCState::AwaitingAnnouncedRemoteRevoke(Readable::read(reader)?),
+ 3 => InboundHTLCState::Committed,
+ 4 => InboundHTLCState::LocalRemoved(Readable::read(reader)?),
+ _ => return Err(DecodeError::InvalidValue),
+ },
+ });
+ }
+
+ macro_rules! read_option { () => {
+ match <u8 as Readable<R>>::read(reader)? {
+ 0 => None,
+ 1 => Some(Readable::read(reader)?),
+ _ => return Err(DecodeError::InvalidValue),
+ }
+ } }
+
+ let pending_outbound_htlc_count: u64 = Readable::read(reader)?;
+ let mut pending_outbound_htlcs = Vec::with_capacity(cmp::min(pending_outbound_htlc_count as usize, OUR_MAX_HTLCS as usize));
+ for _ in 0..pending_outbound_htlc_count {
+ pending_outbound_htlcs.push(OutboundHTLCOutput {
+ htlc_id: Readable::read(reader)?,
+ amount_msat: Readable::read(reader)?,
+ cltv_expiry: Readable::read(reader)?,
+ payment_hash: Readable::read(reader)?,
+ source: Readable::read(reader)?,
+ fail_reason: read_option!(),
+ state: match <u8 as Readable<R>>::read(reader)? {
+ 0 => OutboundHTLCState::LocalAnnounced(Box::new(Readable::read(reader)?)),
+ 1 => OutboundHTLCState::Committed,
+ 2 => OutboundHTLCState::RemoteRemoved,
+ 3 => OutboundHTLCState::AwaitingRemoteRevokeToRemove,
+ 4 => OutboundHTLCState::AwaitingRemovedRemoteRevoke,
+ _ => return Err(DecodeError::InvalidValue),
+ },
+ });
+ }
+
+ let holding_cell_htlc_update_count: u64 = Readable::read(reader)?;
+ let mut holding_cell_htlc_updates = Vec::with_capacity(cmp::min(holding_cell_htlc_update_count as usize, OUR_MAX_HTLCS as usize*2));
+ for _ in 0..holding_cell_htlc_update_count {
+ holding_cell_htlc_updates.push(match <u8 as Readable<R>>::read(reader)? {
+ 0 => HTLCUpdateAwaitingACK::AddHTLC {
+ amount_msat: Readable::read(reader)?,
+ cltv_expiry: Readable::read(reader)?,
+ payment_hash: Readable::read(reader)?,
+ source: Readable::read(reader)?,
+ onion_routing_packet: Readable::read(reader)?,
+ time_created: Instant::now(),
+ },
+ 1 => HTLCUpdateAwaitingACK::ClaimHTLC {
+ payment_preimage: Readable::read(reader)?,
+ htlc_id: Readable::read(reader)?,
+ },
+ 2 => HTLCUpdateAwaitingACK::FailHTLC {
+ htlc_id: Readable::read(reader)?,
+ err_packet: Readable::read(reader)?,
+ },
+ _ => return Err(DecodeError::InvalidValue),
+ });
+ }
+
+ let monitor_pending_revoke_and_ack = Readable::read(reader)?;
+ let monitor_pending_commitment_signed = Readable::read(reader)?;
+
+ let monitor_pending_order = match <u8 as Readable<R>>::read(reader)? {
+ 0 => None,
+ 1 => Some(RAACommitmentOrder::CommitmentFirst),
+ 2 => Some(RAACommitmentOrder::RevokeAndACKFirst),
+ _ => return Err(DecodeError::InvalidValue),
+ };
+
+ let monitor_pending_forwards_count: u64 = Readable::read(reader)?;
+ let mut monitor_pending_forwards = Vec::with_capacity(cmp::min(monitor_pending_forwards_count as usize, OUR_MAX_HTLCS as usize));
+ for _ in 0..monitor_pending_forwards_count {
+ monitor_pending_forwards.push((Readable::read(reader)?, Readable::read(reader)?));
+ }
+
+ let monitor_pending_failures_count: u64 = Readable::read(reader)?;
+ let mut monitor_pending_failures = Vec::with_capacity(cmp::min(monitor_pending_failures_count as usize, OUR_MAX_HTLCS as usize));
+ for _ in 0..monitor_pending_failures_count {
+ monitor_pending_failures.push((Readable::read(reader)?, Readable::read(reader)?, Readable::read(reader)?));
+ }
+
+ let pending_update_fee = read_option!();
+ let holding_cell_update_fee = read_option!();
+
+ let next_local_htlc_id = Readable::read(reader)?;
+ let next_remote_htlc_id = Readable::read(reader)?;
+ let channel_update_count = Readable::read(reader)?;
+ let feerate_per_kw = Readable::read(reader)?;
+
+ let last_local_commitment_txn_count: u64 = Readable::read(reader)?;
+ let mut last_local_commitment_txn = Vec::with_capacity(cmp::min(last_local_commitment_txn_count as usize, OUR_MAX_HTLCS as usize*2 + 1));
+ for _ in 0..last_local_commitment_txn_count {
+ last_local_commitment_txn.push(match Transaction::consensus_decode(reader.by_ref()) {
+ Ok(tx) => tx,
+ Err(_) => return Err(DecodeError::InvalidValue),
+ });
+ }
+
+ let last_sent_closing_fee = match <u8 as Readable<R>>::read(reader)? {
+ 0 => None,
+ 1 => Some((Readable::read(reader)?, Readable::read(reader)?)),
+ _ => return Err(DecodeError::InvalidValue),
+ };
+
+ let funding_tx_confirmed_in = read_option!();
+ let short_channel_id = read_option!();
+
+ let last_block_connected = Readable::read(reader)?;
+ let funding_tx_confirmations = Readable::read(reader)?;
+
+ let their_dust_limit_satoshis = Readable::read(reader)?;
+ let our_dust_limit_satoshis = Readable::read(reader)?;
+ let their_max_htlc_value_in_flight_msat = Readable::read(reader)?;
+ let their_channel_reserve_satoshis = Readable::read(reader)?;
+ let their_htlc_minimum_msat = Readable::read(reader)?;
+ let our_htlc_minimum_msat = Readable::read(reader)?;
+ let their_to_self_delay = Readable::read(reader)?;
+ let their_max_accepted_htlcs = Readable::read(reader)?;
+ let minimum_depth = Readable::read(reader)?;
+
+ let their_funding_pubkey = read_option!();
+ let their_revocation_basepoint = read_option!();
+ let their_payment_basepoint = read_option!();
+ let their_delayed_payment_basepoint = read_option!();
+ let their_htlc_basepoint = read_option!();
+ let their_cur_commitment_point = read_option!();
+
+ let their_prev_commitment_point = read_option!();
+ let their_node_id = Readable::read(reader)?;
+
+ let their_shutdown_scriptpubkey = read_option!();
+ let (monitor_last_block, channel_monitor) = ReadableArgs::read(reader, logger.clone())?;
+ // We drop the ChannelMonitor's last block connected hash cause we don't actually bother
+ // doing full block connection operations on the internal CHannelMonitor copies
+ if monitor_last_block != last_block_connected {
+ return Err(DecodeError::InvalidValue);
+ }
+
+ Ok(Channel {
+ user_id,
+
+ config,
+ channel_id,
+ channel_state,
+ channel_outbound,
+ secp_ctx: Secp256k1::new(),
+ channel_value_satoshis,
+
+ local_keys,
+ shutdown_pubkey,
+
+ cur_local_commitment_transaction_number,
+ cur_remote_commitment_transaction_number,
+ value_to_self_msat,
+
+ received_commitment_while_awaiting_raa,
+ pending_inbound_htlcs,
+ pending_outbound_htlcs,
+ holding_cell_htlc_updates,
+
+ monitor_pending_revoke_and_ack,
+ monitor_pending_commitment_signed,
+ monitor_pending_order,
+ monitor_pending_forwards,
+ monitor_pending_failures,
+
+ pending_update_fee,
+ holding_cell_update_fee,
+ next_local_htlc_id,
+ next_remote_htlc_id,
+ channel_update_count,
+ feerate_per_kw,
+
+ #[cfg(debug_assertions)]
+ max_commitment_tx_output_local: ::std::sync::Mutex::new((0, 0)),
+ #[cfg(debug_assertions)]
+ max_commitment_tx_output_remote: ::std::sync::Mutex::new((0, 0)),
+
+ last_local_commitment_txn,
+
+ last_sent_closing_fee,
+
+ funding_tx_confirmed_in,
+ short_channel_id,
+ last_block_connected,
+ funding_tx_confirmations,
+
+ their_dust_limit_satoshis,
+ our_dust_limit_satoshis,
+ their_max_htlc_value_in_flight_msat,
+ their_channel_reserve_satoshis,
+ their_htlc_minimum_msat,
+ our_htlc_minimum_msat,
+ their_to_self_delay,
+ their_max_accepted_htlcs,
+ minimum_depth,
+
+ their_funding_pubkey,
+ their_revocation_basepoint,
+ their_payment_basepoint,
+ their_delayed_payment_basepoint,
+ their_htlc_basepoint,
+ their_cur_commitment_point,
+
+ their_prev_commitment_point,
+ their_node_id,
+
+ their_shutdown_scriptpubkey,
+
+ channel_monitor,
+
+ logger,
+ })
+ }