}
pub(super) use self::channel_held_info::*;
+ type ShutdownResult = (Vec<Transaction>, Vec<(HTLCSource, [u8; 32])>);
+
+ /// Error type returned across the channel_state mutex boundary. When an Err is generated for a
+ /// Channel, we generally end up with a ChannelError::Close for which we have to close the channel
+ /// immediately (ie with no further calls on it made). Thus, this step happens inside a
+ /// channel_state lock. We then return the set of things that need to be done outside the lock in
+ /// this struct and call handle_error!() on it.
struct MsgHandleErrInternal {
err: msgs::HandleError,
- needs_channel_force_close: bool,
+ shutdown_finish: Option<(ShutdownResult, Option<msgs::ChannelUpdate>)>,
}
impl MsgHandleErrInternal {
#[inline]
},
}),
},
- needs_channel_force_close: false,
+ shutdown_finish: None,
}
}
#[inline]
- fn send_err_msg_close_chan(err: &'static str, channel_id: [u8; 32]) -> Self {
+ fn from_no_close(err: msgs::HandleError) -> Self {
+ Self { err, shutdown_finish: None }
+ }
+ #[inline]
+ fn from_finish_shutdown(err: &'static str, channel_id: [u8; 32], shutdown_res: ShutdownResult, channel_update: Option<msgs::ChannelUpdate>) -> Self {
Self {
err: HandleError {
err,
},
}),
},
- needs_channel_force_close: true,
+ shutdown_finish: Some((shutdown_res, channel_update)),
}
}
#[inline]
- fn from_maybe_close(err: msgs::HandleError) -> Self {
- Self { err, needs_channel_force_close: true }
- }
- #[inline]
- fn from_no_close(err: msgs::HandleError) -> Self {
- Self { err, needs_channel_force_close: false }
- }
- #[inline]
fn from_chan_no_close(err: ChannelError, channel_id: [u8; 32]) -> Self {
Self {
err: match err {
}),
},
},
- needs_channel_force_close: false,
- }
- }
- #[inline]
- fn from_chan_maybe_close(err: ChannelError, channel_id: [u8; 32]) -> Self {
- Self {
- err: match err {
- ChannelError::Ignore(msg) => HandleError {
- err: msg,
- action: Some(msgs::ErrorAction::IgnoreError),
- },
- ChannelError::Close(msg) => HandleError {
- err: msg,
- action: Some(msgs::ErrorAction::SendErrorMessage {
- msg: msgs::ErrorMessage {
- channel_id,
- data: msg.to_string()
- },
- }),
- },
- },
- needs_channel_force_close: true,
+ shutdown_finish: None,
}
}
}
($self: ident, $internal: expr, $their_node_id: expr) => {
match $internal {
Ok(msg) => Ok(msg),
- Err(MsgHandleErrInternal { err, needs_channel_force_close }) => {
- if needs_channel_force_close {
- match &err.action {
- &Some(msgs::ErrorAction::DisconnectPeer { msg: Some(ref msg) }) => {
- if msg.channel_id == [0; 32] {
- $self.peer_disconnected(&$their_node_id, true);
- } else {
- $self.force_close_channel(&msg.channel_id);
- }
- },
- &Some(msgs::ErrorAction::DisconnectPeer { msg: None }) => {},
- &Some(msgs::ErrorAction::IgnoreError) => {},
- &Some(msgs::ErrorAction::SendErrorMessage { ref msg }) => {
- if msg.channel_id == [0; 32] {
- $self.peer_disconnected(&$their_node_id, true);
- } else {
- $self.force_close_channel(&msg.channel_id);
- }
- },
- &None => {},
+ Err(MsgHandleErrInternal { err, shutdown_finish }) => {
+ if let Some((shutdown_res, update_option)) = shutdown_finish {
+ $self.finish_force_close_channel(shutdown_res);
+ if let Some(update) = update_option {
+ let mut channel_state = $self.channel_state.lock().unwrap();
+ channel_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
+ msg: update
+ });
}
}
Err(err)
}
}
+ macro_rules! break_chan_entry {
+ ($self: ident, $res: expr, $channel_state: expr, $entry: expr) => {
+ match $res {
+ Ok(res) => res,
+ Err(ChannelError::Ignore(msg)) => {
+ break Err(MsgHandleErrInternal::from_chan_no_close(ChannelError::Ignore(msg), $entry.key().clone()))
+ },
+ Err(ChannelError::Close(msg)) => {
+ let (channel_id, mut chan) = $entry.remove_entry();
+ if let Some(short_id) = chan.get_short_channel_id() {
+ $channel_state.short_to_id.remove(&short_id);
+ }
+ break Err(MsgHandleErrInternal::from_finish_shutdown(msg, channel_id, chan.force_shutdown(), $self.get_channel_update(&chan).ok()))
+ },
+ }
+ }
+ }
+
+ macro_rules! try_chan_entry {
+ ($self: ident, $res: expr, $channel_state: expr, $entry: expr) => {
+ match $res {
+ Ok(res) => res,
+ Err(ChannelError::Ignore(msg)) => {
+ return Err(MsgHandleErrInternal::from_chan_no_close(ChannelError::Ignore(msg), $entry.key().clone()))
+ },
+ Err(ChannelError::Close(msg)) => {
+ let (channel_id, mut chan) = $entry.remove_entry();
+ if let Some(short_id) = chan.get_short_channel_id() {
+ $channel_state.short_to_id.remove(&short_id);
+ }
+ return Err(MsgHandleErrInternal::from_finish_shutdown(msg, channel_id, chan.force_shutdown(), $self.get_channel_update(&chan).ok()))
+ },
+ }
+ }
+ }
+
impl ChannelManager {
/// Constructs a new ChannelManager to hold several channels and route between them.
///
}
#[inline]
- fn finish_force_close_channel(&self, shutdown_res: (Vec<Transaction>, Vec<(HTLCSource, [u8; 32])>)) {
+ fn finish_force_close_channel(&self, shutdown_res: ShutdownResult) {
let (local_txn, mut failed_htlcs) = shutdown_res;
for htlc_source in failed_htlcs.drain(..) {
// unknown_next_peer...I dunno who that is anymore....
let onion_packet = ChannelManager::construct_onion_packet(onion_payloads, onion_keys, &payment_hash);
let _ = self.total_consistency_lock.read().unwrap();
- let mut channel_state = self.channel_state.lock().unwrap();
- let id = match channel_state.short_to_id.get(&route.hops.first().unwrap().short_channel_id) {
- None => return Err(APIError::ChannelUnavailable{err: "No channel available with first hop!"}),
- Some(id) => id.clone(),
- };
+ let err: Result<(), _> = loop {
+ let mut channel_lock = self.channel_state.lock().unwrap();
- let res = {
- let chan = channel_state.by_id.get_mut(&id).unwrap();
- if chan.get_their_node_id() != route.hops.first().unwrap().pubkey {
- return Err(APIError::RouteError{err: "Node ID mismatch on first hop!"});
- }
- if chan.is_awaiting_monitor_update() {
- return Err(APIError::MonitorUpdateFailed);
- }
- if !chan.is_live() {
- return Err(APIError::ChannelUnavailable{err: "Peer for first hop currently disconnected!"});
+ let id = match channel_lock.short_to_id.get(&route.hops.first().unwrap().short_channel_id) {
+ None => return Err(APIError::ChannelUnavailable{err: "No channel available with first hop!"}),
+ Some(id) => id.clone(),
+ };
+
+ match {
+ let channel_state = channel_lock.borrow_parts();
+ if let hash_map::Entry::Occupied(mut chan) = channel_state.by_id.entry(id) {
+ if chan.get().get_their_node_id() != route.hops.first().unwrap().pubkey {
+ return Err(APIError::RouteError{err: "Node ID mismatch on first hop!"});
+ }
+ if chan.get().is_awaiting_monitor_update() {
+ return Err(APIError::MonitorUpdateFailed);
+ }
+ if !chan.get().is_live() {
+ return Err(APIError::ChannelUnavailable{err: "Peer for first hop currently disconnected!"});
+ }
+ break_chan_entry!(self, chan.get_mut().send_htlc_and_commit(htlc_msat, payment_hash.clone(), htlc_cltv, HTLCSource::OutboundRoute {
+ route: route.clone(),
+ session_priv: session_priv.clone(),
+ first_hop_htlc_msat: htlc_msat,
+ }, onion_packet), channel_state, chan)
+ } else { unreachable!(); }
+ } {
+ Some((update_add, commitment_signed, chan_monitor)) => {
+ if let Err(e) = self.monitor.add_update_monitor(chan_monitor.get_funding_txo().unwrap(), chan_monitor) {
+ self.handle_monitor_update_fail(channel_lock, &id, e, RAACommitmentOrder::CommitmentFirst);
+ return Err(APIError::MonitorUpdateFailed);
+ }
+
+ channel_lock.pending_msg_events.push(events::MessageSendEvent::UpdateHTLCs {
+ node_id: route.hops.first().unwrap().pubkey,
+ updates: msgs::CommitmentUpdate {
+ update_add_htlcs: vec![update_add],
+ update_fulfill_htlcs: Vec::new(),
+ update_fail_htlcs: Vec::new(),
+ update_fail_malformed_htlcs: Vec::new(),
+ update_fee: None,
+ commitment_signed,
+ },
+ });
+ },
+ None => {},
}
- chan.send_htlc_and_commit(htlc_msat, payment_hash.clone(), htlc_cltv, HTLCSource::OutboundRoute {
- route: route.clone(),
- session_priv: session_priv.clone(),
- first_hop_htlc_msat: htlc_msat,
- }, onion_packet).map_err(|he|
- match he {
- ChannelError::Close(err) => {
- // TODO: We need to close the channel here, but for that to be safe we have
- // to do all channel closure inside the channel_state lock which is a
- // somewhat-larger refactor, so we leave that for later.
- APIError::ChannelUnavailable { err }
- },
- ChannelError::Ignore(err) => APIError::ChannelUnavailable { err },
- }
- )?
+ return Ok(());
};
- match res {
- Some((update_add, commitment_signed, chan_monitor)) => {
- if let Err(e) = self.monitor.add_update_monitor(chan_monitor.get_funding_txo().unwrap(), chan_monitor) {
- self.handle_monitor_update_fail(channel_state, &id, e, RAACommitmentOrder::CommitmentFirst);
- return Err(APIError::MonitorUpdateFailed);
- }
- channel_state.pending_msg_events.push(events::MessageSendEvent::UpdateHTLCs {
- node_id: route.hops.first().unwrap().pubkey,
- updates: msgs::CommitmentUpdate {
- update_add_htlcs: vec![update_add],
- update_fulfill_htlcs: Vec::new(),
- update_fail_htlcs: Vec::new(),
- update_fail_malformed_htlcs: Vec::new(),
- update_fee: None,
- commitment_signed,
- },
- });
+ match handle_error!(self, err, route.hops.first().unwrap().pubkey) {
+ Ok(_) => unreachable!(),
+ Err(e) => {
+ if let Some(msgs::ErrorAction::IgnoreError) = e.action {
+ } else {
+ log_error!(self, "Got bad keys: {}!", e.err);
+ let mut channel_state = self.channel_state.lock().unwrap();
+ channel_state.pending_msg_events.push(events::MessageSendEvent::HandleError {
+ node_id: route.hops.first().unwrap().pubkey,
+ action: e.action,
+ });
+ }
+ Err(APIError::ChannelUnavailable { err: e.err })
},
- None => {},
}
-
- Ok(())
}
/// Call this upon creation of a funding transaction for the given channel.
match channel_state.by_id.remove(temporary_channel_id) {
Some(mut chan) => {
(chan.get_outbound_funding_created(funding_txo)
- .map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, chan.channel_id()))
+ .map_err(|e| if let ChannelError::Close(msg) = e {
+ MsgHandleErrInternal::from_finish_shutdown(msg, chan.channel_id(), chan.force_shutdown(), None)
+ } else { unreachable!(); })
, chan)
},
None => return
fn internal_accept_channel(&self, their_node_id: &PublicKey, msg: &msgs::AcceptChannel) -> Result<(), MsgHandleErrInternal> {
let (value, output_script, user_id) = {
- let mut channel_state = self.channel_state.lock().unwrap();
- match channel_state.by_id.get_mut(&msg.temporary_channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
+ let mut channel_lock = self.channel_state.lock().unwrap();
+ let channel_state = channel_lock.borrow_parts();
+ match channel_state.by_id.entry(msg.temporary_channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
//TODO: see issue #153, need a consistent behavior on obnoxious behavior from random node
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.temporary_channel_id));
}
- chan.accept_channel(&msg, &self.default_configuration)
- .map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.temporary_channel_id))?;
- (chan.get_value_satoshis(), chan.get_funding_redeemscript().to_v0_p2wsh(), chan.get_user_id())
+ try_chan_entry!(self, chan.get_mut().accept_channel(&msg, &self.default_configuration), channel_state, chan);
+ (chan.get().get_value_satoshis(), chan.get().get_funding_redeemscript().to_v0_p2wsh(), chan.get().get_user_id())
},
//TODO: same as above
- None => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.temporary_channel_id))
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.temporary_channel_id))
}
};
let mut pending_events = self.pending_events.lock().unwrap();
}
fn internal_funding_created(&self, their_node_id: &PublicKey, msg: &msgs::FundingCreated) -> Result<(), MsgHandleErrInternal> {
- let (chan, funding_msg, monitor_update) = {
- let mut channel_state = self.channel_state.lock().unwrap();
+ let ((funding_msg, monitor_update), chan) = {
+ let mut channel_lock = self.channel_state.lock().unwrap();
+ let channel_state = channel_lock.borrow_parts();
match channel_state.by_id.entry(msg.temporary_channel_id.clone()) {
hash_map::Entry::Occupied(mut chan) => {
if chan.get().get_their_node_id() != *their_node_id {
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.temporary_channel_id));
}
- match chan.get_mut().funding_created(msg) {
- Ok((funding_msg, monitor_update)) => {
- (chan.remove(), funding_msg, monitor_update)
- },
- Err(e) => {
- return Err(e).map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.temporary_channel_id))
- }
- }
+ (try_chan_entry!(self, chan.get_mut().funding_created(msg), channel_state, chan), chan.remove())
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.temporary_channel_id))
}
fn internal_funding_signed(&self, their_node_id: &PublicKey, msg: &msgs::FundingSigned) -> Result<(), MsgHandleErrInternal> {
let (funding_txo, user_id) = {
- let mut channel_state = self.channel_state.lock().unwrap();
- match channel_state.by_id.get_mut(&msg.channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
+ let mut channel_lock = self.channel_state.lock().unwrap();
+ let channel_state = channel_lock.borrow_parts();
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- let chan_monitor = chan.funding_signed(&msg).map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.channel_id))?;
+ let chan_monitor = try_chan_entry!(self, chan.get_mut().funding_signed(&msg), channel_state, chan);
if let Err(_e) = self.monitor.add_update_monitor(chan_monitor.get_funding_txo().unwrap(), chan_monitor) {
unimplemented!();
}
- (chan.get_funding_txo().unwrap(), chan.get_user_id())
+ (chan.get().get_funding_txo().unwrap(), chan.get().get_user_id())
},
- None => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
};
let mut pending_events = self.pending_events.lock().unwrap();
fn internal_funding_locked(&self, their_node_id: &PublicKey, msg: &msgs::FundingLocked) -> Result<(), MsgHandleErrInternal> {
let mut channel_state_lock = self.channel_state.lock().unwrap();
let channel_state = channel_state_lock.borrow_parts();
- match channel_state.by_id.get_mut(&msg.channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- chan.funding_locked(&msg)
- .map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.channel_id))?;
- if let Some(announcement_sigs) = self.get_announcement_sigs(chan) {
+ try_chan_entry!(self, chan.get_mut().funding_locked(&msg), channel_state, chan);
+ if let Some(announcement_sigs) = self.get_announcement_sigs(chan.get()) {
channel_state.pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
node_id: their_node_id.clone(),
msg: announcement_sigs,
}
Ok(())
},
- None => Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ hash_map::Entry::Vacant(_) => Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
}
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- let (shutdown, closing_signed, dropped_htlcs) = chan_entry.get_mut().shutdown(&*self.fee_estimator, &msg).map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.channel_id))?;
+ let (shutdown, closing_signed, dropped_htlcs) = try_chan_entry!(self, chan_entry.get_mut().shutdown(&*self.fee_estimator, &msg), channel_state, chan_entry);
if let Some(msg) = shutdown {
channel_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
node_id: their_node_id.clone(),
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- let (closing_signed, tx) = chan_entry.get_mut().closing_signed(&*self.fee_estimator, &msg).map_err(|e| MsgHandleErrInternal::from_maybe_close(e))?;
+ let (closing_signed, tx) = try_chan_entry!(self, chan_entry.get_mut().closing_signed(&*self.fee_estimator, &msg), channel_state, chan_entry);
if let Some(msg) = closing_signed {
channel_state.pending_msg_events.push(events::MessageSendEvent::SendClosingSigned {
node_id: their_node_id.clone(),
let (mut pending_forward_info, mut channel_state_lock) = self.decode_update_add_htlc_onion(msg);
let channel_state = channel_state_lock.borrow_parts();
- match channel_state.by_id.get_mut(&msg.channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
//TODO: here MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- if !chan.is_usable() {
+ if !chan.get().is_usable() {
// If the update_add is completely bogus, the call will Err and we will close,
// but if we've sent a shutdown and they haven't acknowledged it yet, we just
// want to reject the new HTLC and fail it backwards instead of forwarding.
if let PendingHTLCStatus::Forward(PendingForwardHTLCInfo { incoming_shared_secret, .. }) = pending_forward_info {
- let chan_update = self.get_channel_update(chan);
+ let chan_update = self.get_channel_update(chan.get());
pending_forward_info = PendingHTLCStatus::Fail(HTLCFailureMsg::Relay(msgs::UpdateFailHTLC {
channel_id: msg.channel_id,
htlc_id: msg.htlc_id,
}));
}
}
- chan.update_add_htlc(&msg, pending_forward_info).map_err(|e| MsgHandleErrInternal::from_maybe_close(e))
+ try_chan_entry!(self, chan.get_mut().update_add_htlc(&msg, pending_forward_info), channel_state, chan);
},
- None => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
+ Ok(())
}
fn internal_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) -> Result<(), MsgHandleErrInternal> {
- let mut channel_state = self.channel_state.lock().unwrap();
- let htlc_source = match channel_state.by_id.get_mut(&msg.channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
- //TODO: here and below MsgHandleErrInternal, #153 case
- return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
- }
- chan.update_fulfill_htlc(&msg)
- .map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.channel_id))?.clone()
- },
- None => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ let mut channel_lock = self.channel_state.lock().unwrap();
+ let htlc_source = {
+ let channel_state = channel_lock.borrow_parts();
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
+ //TODO: here and below MsgHandleErrInternal, #153 case
+ return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
+ }
+ try_chan_entry!(self, chan.get_mut().update_fulfill_htlc(&msg), channel_state, chan)
+ },
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ }
};
- self.claim_funds_internal(channel_state, htlc_source, msg.payment_preimage.clone());
+ self.claim_funds_internal(channel_lock, htlc_source, msg.payment_preimage.clone());
Ok(())
}
}
fn internal_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailHTLC) -> Result<(), MsgHandleErrInternal> {
- let mut channel_state = self.channel_state.lock().unwrap();
- match channel_state.by_id.get_mut(&msg.channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
+ let mut channel_lock = self.channel_state.lock().unwrap();
+ let channel_state = channel_lock.borrow_parts();
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- chan.update_fail_htlc(&msg, HTLCFailReason::ErrorPacket { err: msg.reason.clone() })
- .map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.channel_id))
+ try_chan_entry!(self, chan.get_mut().update_fail_htlc(&msg, HTLCFailReason::ErrorPacket { err: msg.reason.clone() }), channel_state, chan);
},
- None => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
- }?;
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ }
Ok(())
}
fn internal_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), MsgHandleErrInternal> {
- let mut channel_state = self.channel_state.lock().unwrap();
- match channel_state.by_id.get_mut(&msg.channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
+ let mut channel_lock = self.channel_state.lock().unwrap();
+ let channel_state = channel_lock.borrow_parts();
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
if (msg.failure_code & 0x8000) == 0 {
- return Err(MsgHandleErrInternal::send_err_msg_close_chan("Got update_fail_malformed_htlc with BADONION not set", msg.channel_id));
+ try_chan_entry!(self, Err(ChannelError::Close("Got update_fail_malformed_htlc with BADONION not set")), channel_state, chan);
}
- chan.update_fail_malformed_htlc(&msg, HTLCFailReason::Reason { failure_code: msg.failure_code, data: Vec::new() })
- .map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.channel_id))?;
+ try_chan_entry!(self, chan.get_mut().update_fail_malformed_htlc(&msg, HTLCFailReason::Reason { failure_code: msg.failure_code, data: Vec::new() }), channel_state, chan);
Ok(())
},
- None => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
}
fn internal_commitment_signed(&self, their_node_id: &PublicKey, msg: &msgs::CommitmentSigned) -> Result<(), MsgHandleErrInternal> {
let mut channel_state_lock = self.channel_state.lock().unwrap();
let channel_state = channel_state_lock.borrow_parts();
- match channel_state.by_id.get_mut(&msg.channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- let (revoke_and_ack, commitment_signed, closing_signed, chan_monitor) = chan.commitment_signed(&msg, &*self.fee_estimator)
- .map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.channel_id))?;
+ let (revoke_and_ack, commitment_signed, closing_signed, chan_monitor) =
+ try_chan_entry!(self, chan.get_mut().commitment_signed(&msg, &*self.fee_estimator), channel_state, chan);
if let Err(_e) = self.monitor.add_update_monitor(chan_monitor.get_funding_txo().unwrap(), chan_monitor) {
unimplemented!();
}
}
Ok(())
},
- None => Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
}
let (pending_forwards, mut pending_failures, short_channel_id) = {
let mut channel_state_lock = self.channel_state.lock().unwrap();
let channel_state = channel_state_lock.borrow_parts();
- match channel_state.by_id.get_mut(&msg.channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- let (commitment_update, pending_forwards, pending_failures, closing_signed, chan_monitor) = chan.revoke_and_ack(&msg, &*self.fee_estimator)
- .map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.channel_id))?;
+ let (commitment_update, pending_forwards, pending_failures, closing_signed, chan_monitor) =
+ try_chan_entry!(self, chan.get_mut().revoke_and_ack(&msg, &*self.fee_estimator), channel_state, chan);
if let Err(_e) = self.monitor.add_update_monitor(chan_monitor.get_funding_txo().unwrap(), chan_monitor) {
unimplemented!();
}
msg,
});
}
- (pending_forwards, pending_failures, chan.get_short_channel_id().expect("RAA should only work on a short-id-available channel"))
+ (pending_forwards, pending_failures, chan.get().get_short_channel_id().expect("RAA should only work on a short-id-available channel"))
},
- None => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
};
for failure in pending_failures.drain(..) {
}
fn internal_update_fee(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFee) -> Result<(), MsgHandleErrInternal> {
- let mut channel_state = self.channel_state.lock().unwrap();
- match channel_state.by_id.get_mut(&msg.channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
+ let mut channel_lock = self.channel_state.lock().unwrap();
+ let channel_state = channel_lock.borrow_parts();
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
//TODO: here and below MsgHandleErrInternal, #153 case
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- chan.update_fee(&*self.fee_estimator, &msg).map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.channel_id))
+ try_chan_entry!(self, chan.get_mut().update_fee(&*self.fee_estimator, &msg), channel_state, chan);
},
- None => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
+ Ok(())
}
fn internal_announcement_signatures(&self, their_node_id: &PublicKey, msg: &msgs::AnnouncementSignatures) -> Result<(), MsgHandleErrInternal> {
let mut channel_state_lock = self.channel_state.lock().unwrap();
let channel_state = channel_state_lock.borrow_parts();
- match channel_state.by_id.get_mut(&msg.channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- if !chan.is_usable() {
+ if !chan.get().is_usable() {
return Err(MsgHandleErrInternal::from_no_close(HandleError{err: "Got an announcement_signatures before we were ready for it", action: Some(msgs::ErrorAction::IgnoreError)}));
}
let our_node_id = self.get_our_node_id();
- let (announcement, our_bitcoin_sig) = chan.get_channel_announcement(our_node_id.clone(), self.genesis_hash.clone())
- .map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.channel_id))?;
+ let (announcement, our_bitcoin_sig) =
+ try_chan_entry!(self, chan.get_mut().get_channel_announcement(our_node_id.clone(), self.genesis_hash.clone()), channel_state, chan);
let were_node_one = announcement.node_id_1 == our_node_id;
let msghash = Message::from_slice(&Sha256dHash::from_data(&announcement.encode()[..])[..]).unwrap();
- let bad_sig_action = MsgHandleErrInternal::send_err_msg_close_chan("Bad announcement_signatures node_signature", msg.channel_id);
- secp_call!(self.secp_ctx.verify(&msghash, &msg.node_signature, if were_node_one { &announcement.node_id_2 } else { &announcement.node_id_1 }), bad_sig_action);
- secp_call!(self.secp_ctx.verify(&msghash, &msg.bitcoin_signature, if were_node_one { &announcement.bitcoin_key_2 } else { &announcement.bitcoin_key_1 }), bad_sig_action);
+ if self.secp_ctx.verify(&msghash, &msg.node_signature, if were_node_one { &announcement.node_id_2 } else { &announcement.node_id_1 }).is_err() ||
+ self.secp_ctx.verify(&msghash, &msg.bitcoin_signature, if were_node_one { &announcement.bitcoin_key_2 } else { &announcement.bitcoin_key_1 }).is_err() {
+ try_chan_entry!(self, Err(ChannelError::Close("Bad announcement_signatures node_signature")), channel_state, chan);
+ }
let our_node_sig = self.secp_ctx.sign(&msghash, &self.our_network_key);
bitcoin_signature_2: if were_node_one { msg.bitcoin_signature } else { our_bitcoin_sig },
contents: announcement,
},
- update_msg: self.get_channel_update(chan).unwrap(), // can only fail if we're not in a ready state
+ update_msg: self.get_channel_update(chan.get()).unwrap(), // can only fail if we're not in a ready state
});
},
- None => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
Ok(())
}
let mut channel_state_lock = self.channel_state.lock().unwrap();
let channel_state = channel_state_lock.borrow_parts();
- match channel_state.by_id.get_mut(&msg.channel_id) {
- Some(chan) => {
- if chan.get_their_node_id() != *their_node_id {
+ match channel_state.by_id.entry(msg.channel_id) {
+ hash_map::Entry::Occupied(mut chan) => {
+ if chan.get().get_their_node_id() != *their_node_id {
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- let (funding_locked, revoke_and_ack, commitment_update, channel_monitor, order, shutdown) = chan.channel_reestablish(msg)
- .map_err(|e| MsgHandleErrInternal::from_chan_maybe_close(e, msg.channel_id))?;
+ let (funding_locked, revoke_and_ack, commitment_update, channel_monitor, order, shutdown) =
+ try_chan_entry!(self, chan.get_mut().channel_reestablish(msg), channel_state, chan);
if let Some(monitor) = channel_monitor {
if let Err(_e) = self.monitor.add_update_monitor(monitor.get_funding_txo().unwrap(), monitor) {
unimplemented!();
}
Ok(())
},
- None => Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
+ hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
}
#[doc(hidden)]
pub fn update_fee(&self, channel_id: [u8;32], feerate_per_kw: u64) -> Result<(), APIError> {
let _ = self.total_consistency_lock.read().unwrap();
- let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let their_node_id;
+ let err: Result<(), _> = loop {
+ let mut channel_state_lock = self.channel_state.lock().unwrap();
+ let channel_state = channel_state_lock.borrow_parts();
- match channel_state.by_id.get_mut(&channel_id) {
- None => return Err(APIError::APIMisuseError{err: "Failed to find corresponding channel"}),
- Some(chan) => {
- if !chan.is_outbound() {
- return Err(APIError::APIMisuseError{err: "update_fee cannot be sent for an inbound channel"});
- }
- if chan.is_awaiting_monitor_update() {
- return Err(APIError::MonitorUpdateFailed);
- }
- if !chan.is_live() {
- return Err(APIError::ChannelUnavailable{err: "Channel is either not yet fully established or peer is currently disconnected"});
- }
- if let Some((update_fee, commitment_signed, chan_monitor)) = chan.send_update_fee_and_commit(feerate_per_kw)
- .map_err(|e| match e {
- ChannelError::Ignore(err) => APIError::APIMisuseError{err},
- ChannelError::Close(err) => {
- // TODO: We need to close the channel here, but for that to be safe we have
- // to do all channel closure inside the channel_state lock which is a
- // somewhat-larger refactor, so we leave that for later.
- APIError::APIMisuseError{err}
+ match channel_state.by_id.entry(channel_id) {
+ hash_map::Entry::Vacant(_) => return Err(APIError::APIMisuseError{err: "Failed to find corresponding channel"}),
+ hash_map::Entry::Occupied(mut chan) => {
+ if !chan.get().is_outbound() {
+ return Err(APIError::APIMisuseError{err: "update_fee cannot be sent for an inbound channel"});
+ }
+ if chan.get().is_awaiting_monitor_update() {
+ return Err(APIError::MonitorUpdateFailed);
+ }
+ if !chan.get().is_live() {
+ return Err(APIError::ChannelUnavailable{err: "Channel is either not yet fully established or peer is currently disconnected"});
+ }
+ their_node_id = chan.get().get_their_node_id();
+ if let Some((update_fee, commitment_signed, chan_monitor)) =
+ break_chan_entry!(self, chan.get_mut().send_update_fee_and_commit(feerate_per_kw), channel_state, chan)
+ {
+ if let Err(_e) = self.monitor.add_update_monitor(chan_monitor.get_funding_txo().unwrap(), chan_monitor) {
+ unimplemented!();
+ }
+ channel_state.pending_msg_events.push(events::MessageSendEvent::UpdateHTLCs {
+ node_id: chan.get().get_their_node_id(),
+ updates: msgs::CommitmentUpdate {
+ update_add_htlcs: Vec::new(),
+ update_fulfill_htlcs: Vec::new(),
+ update_fail_htlcs: Vec::new(),
+ update_fail_malformed_htlcs: Vec::new(),
+ update_fee: Some(update_fee),
+ commitment_signed,
},
- })? {
- if let Err(_e) = self.monitor.add_update_monitor(chan_monitor.get_funding_txo().unwrap(), chan_monitor) {
- unimplemented!();
+ });
}
- channel_state.pending_msg_events.push(events::MessageSendEvent::UpdateHTLCs {
- node_id: chan.get_their_node_id(),
- updates: msgs::CommitmentUpdate {
- update_add_htlcs: Vec::new(),
- update_fulfill_htlcs: Vec::new(),
- update_fail_htlcs: Vec::new(),
- update_fail_malformed_htlcs: Vec::new(),
- update_fee: Some(update_fee),
- commitment_signed,
- },
+ },
+ }
+ return Ok(())
+ };
+
+ match handle_error!(self, err, their_node_id) {
+ Ok(_) => unreachable!(),
+ Err(e) => {
+ if let Some(msgs::ErrorAction::IgnoreError) = e.action {
+ } else {
+ log_error!(self, "Got bad keys: {}!", e.err);
+ let mut channel_state = self.channel_state.lock().unwrap();
+ channel_state.pending_msg_events.push(events::MessageSendEvent::HandleError {
+ node_id: their_node_id,
+ action: e.action,
});
}
+ Err(APIError::APIMisuseError { err: e.err })
},
}
- Ok(())
}
}
} else if let Err(e) = chan_res {
pending_msg_events.push(events::MessageSendEvent::HandleError {
node_id: channel.get_their_node_id(),
- action: e.action,
+ action: Some(msgs::ErrorAction::SendErrorMessage { msg: e }),
});
- if channel.is_shutdown() {
- return false;
- }
+ return false;
}
if let Some(funding_txo) = channel.get_funding_txo() {
for tx in txn_matched {
}}
}
- #[test]
- fn channel_reserve_test() {
+ fn do_channel_reserve_test(test_recv: bool) {
use util::rng;
use std::sync::atomic::Ordering;
use ln::msgs::HandleError;
onion_routing_packet: onion_packet,
};
- let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &msg).err().unwrap();
- match err {
- HandleError{err, .. } => assert_eq!(err, "Remote HTLC add would put them over their reserve value"),
+ if test_recv {
+ let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &msg).err().unwrap();
+ match err {
+ HandleError{err, .. } => assert_eq!(err, "Remote HTLC add would put them over their reserve value"),
+ }
+ // If we send a garbage message, the channel should get closed, making the rest of this test case fail.
+ assert_eq!(nodes[1].node.list_channels().len(), 1);
+ assert_eq!(nodes[1].node.list_channels().len(), 1);
+ let channel_close_broadcast = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(channel_close_broadcast.len(), 1);
+ match channel_close_broadcast[0] {
+ MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
+ assert_eq!(msg.contents.flags & 2, 2);
+ },
+ _ => panic!("Unexpected event"),
+ }
+ return;
}
}
assert_eq!(stat2.value_to_self_msat, stat22.value_to_self_msat + recv_value_1 + recv_value_21 + recv_value_22);
}
+ #[test]
+ fn channel_reserve_test() {
+ do_channel_reserve_test(false);
+ do_channel_reserve_test(true);
+ }
+
#[test]
fn channel_monitor_network_test() {
// Simple test which builds a network of ChannelManagers, connects them to each other, and
} else { panic!("Unexpected result"); }
}
- macro_rules! check_dynamic_output_p2wsh {
- ($node: expr) => {
+ macro_rules! check_spendable_outputs {
+ ($node: expr, $der_idx: expr) => {
{
let events = $node.chan_monitor.simple_monitor.get_and_clear_pending_events();
let mut txn = Vec::new();
Event::SpendableOutputs { ref outputs } => {
for outp in outputs {
match *outp {
+ SpendableOutputDescriptor::DynamicOutputP2WPKH { ref outpoint, ref key, ref output } => {
+ let input = TxIn {
+ previous_output: outpoint.clone(),
+ script_sig: Script::new(),
+ sequence: 0,
+ witness: Vec::new(),
+ };
+ let outp = TxOut {
+ script_pubkey: Builder::new().push_opcode(opcodes::All::OP_RETURN).into_script(),
+ value: output.value,
+ };
+ let mut spend_tx = Transaction {
+ version: 2,
+ lock_time: 0,
+ input: vec![input],
+ output: vec![outp],
+ };
+ let secp_ctx = Secp256k1::new();
+ let remotepubkey = PublicKey::from_secret_key(&secp_ctx, &key);
+ let witness_script = Address::p2pkh(&remotepubkey, Network::Testnet).script_pubkey();
+ let sighash = Message::from_slice(&bip143::SighashComponents::new(&spend_tx).sighash_all(&spend_tx.input[0], &witness_script, output.value)[..]).unwrap();
+ let remotesig = secp_ctx.sign(&sighash, key);
+ spend_tx.input[0].witness.push(remotesig.serialize_der(&secp_ctx).to_vec());
+ spend_tx.input[0].witness[0].push(SigHashType::All as u8);
+ spend_tx.input[0].witness.push(remotepubkey.serialize().to_vec());
+ txn.push(spend_tx);
+ },
SpendableOutputDescriptor::DynamicOutputP2WSH { ref outpoint, ref key, ref witness_script, ref to_self_delay, ref output } => {
let input = TxIn {
previous_output: outpoint.clone(),
spend_tx.input[0].witness.push(witness_script.clone().into_bytes());
txn.push(spend_tx);
},
- _ => panic!("Unexpected event"),
- }
- }
- },
- _ => panic!("Unexpected event"),
- };
- }
- txn
- }
- }
- }
-
- macro_rules! check_dynamic_output_p2wpkh {
- ($node: expr) => {
- {
- let events = $node.chan_monitor.simple_monitor.get_and_clear_pending_events();
- let mut txn = Vec::new();
- for event in events {
- match event {
- Event::SpendableOutputs { ref outputs } => {
- for outp in outputs {
- match *outp {
- SpendableOutputDescriptor::DynamicOutputP2WPKH { ref outpoint, ref key, ref output } => {
+ SpendableOutputDescriptor::StaticOutput { ref outpoint, ref output } => {
+ let secp_ctx = Secp256k1::new();
let input = TxIn {
previous_output: outpoint.clone(),
script_sig: Script::new(),
version: 2,
lock_time: 0,
input: vec![input],
- output: vec![outp],
+ output: vec![outp.clone()],
};
- let secp_ctx = Secp256k1::new();
- let remotepubkey = PublicKey::from_secret_key(&secp_ctx, &key);
- let witness_script = Address::p2pkh(&remotepubkey, Network::Testnet).script_pubkey();
+ let secret = {
+ match ExtendedPrivKey::new_master(&secp_ctx, Network::Testnet, &$node.node_seed) {
+ Ok(master_key) => {
+ match master_key.ckd_priv(&secp_ctx, ChildNumber::from_hardened_idx($der_idx)) {
+ Ok(key) => key,
+ Err(_) => panic!("Your RNG is busted"),
+ }
+ }
+ Err(_) => panic!("Your rng is busted"),
+ }
+ };
+ let pubkey = ExtendedPubKey::from_private(&secp_ctx, &secret).public_key;
+ let witness_script = Address::p2pkh(&pubkey, Network::Testnet).script_pubkey();
let sighash = Message::from_slice(&bip143::SighashComponents::new(&spend_tx).sighash_all(&spend_tx.input[0], &witness_script, output.value)[..]).unwrap();
- let remotesig = secp_ctx.sign(&sighash, key);
- spend_tx.input[0].witness.push(remotesig.serialize_der(&secp_ctx).to_vec());
+ let sig = secp_ctx.sign(&sighash, &secret.secret_key);
+ spend_tx.input[0].witness.push(sig.serialize_der(&secp_ctx).to_vec());
spend_tx.input[0].witness[0].push(SigHashType::All as u8);
- spend_tx.input[0].witness.push(remotepubkey.serialize().to_vec());
+ spend_tx.input[0].witness.push(pubkey.serialize().to_vec());
txn.push(spend_tx);
},
- _ => panic!("Unexpected event"),
}
}
},
}
}
- macro_rules! check_static_output {
- ($event: expr, $node: expr, $event_idx: expr, $output_idx: expr, $der_idx: expr, $idx_node: expr) => {
- match $event[$event_idx] {
- Event::SpendableOutputs { ref outputs } => {
- match outputs[$output_idx] {
- SpendableOutputDescriptor::StaticOutput { ref outpoint, ref output } => {
- let secp_ctx = Secp256k1::new();
- let input = TxIn {
- previous_output: outpoint.clone(),
- script_sig: Script::new(),
- sequence: 0,
- witness: Vec::new(),
- };
- let outp = TxOut {
- script_pubkey: Builder::new().push_opcode(opcodes::All::OP_RETURN).into_script(),
- value: output.value,
- };
- let mut spend_tx = Transaction {
- version: 2,
- lock_time: 0,
- input: vec![input],
- output: vec![outp.clone()],
- };
- let secret = {
- match ExtendedPrivKey::new_master(&secp_ctx, Network::Testnet, &$node[$idx_node].node_seed) {
- Ok(master_key) => {
- match master_key.ckd_priv(&secp_ctx, ChildNumber::from_hardened_idx($der_idx)) {
- Ok(key) => key,
- Err(_) => panic!("Your RNG is busted"),
- }
- }
- Err(_) => panic!("Your rng is busted"),
- }
- };
- let pubkey = ExtendedPubKey::from_private(&secp_ctx, &secret).public_key;
- let witness_script = Address::p2pkh(&pubkey, Network::Testnet).script_pubkey();
- let sighash = Message::from_slice(&bip143::SighashComponents::new(&spend_tx).sighash_all(&spend_tx.input[0], &witness_script, output.value)[..]).unwrap();
- let sig = secp_ctx.sign(&sighash, &secret.secret_key);
- spend_tx.input[0].witness.push(sig.serialize_der(&secp_ctx).to_vec());
- spend_tx.input[0].witness[0].push(SigHashType::All as u8);
- spend_tx.input[0].witness.push(pubkey.serialize().to_vec());
- spend_tx
- },
- _ => panic!("Unexpected event !"),
- }
- },
- _ => panic!("Unexpected event !"),
- };
- }
- }
-
#[test]
fn test_claim_sizeable_push_msat() {
// Incidentally test SpendableOutput event generation due to detection of to_local output on commitment tx
let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![node_txn[0].clone()] }, 0);
- let spend_txn = check_dynamic_output_p2wsh!(nodes[1]);
+ let spend_txn = check_spendable_outputs!(nodes[1], 1);
assert_eq!(spend_txn.len(), 1);
check_spends!(spend_txn[0], node_txn[0].clone());
}
#[test]
fn test_claim_on_remote_sizeable_push_msat() {
- // Same test as precedent, just test on remote commitment tx, as per_commitment_point registration changes following you're funder/fundee and
+ // Same test as previous, just test on remote commitment tx, as per_commitment_point registration changes following you're funder/fundee and
// to_remote output is encumbered by a P2WPKH
let nodes = create_network(2);
MessageSendEvent::BroadcastChannelUpdate { .. } => {},
_ => panic!("Unexpected event"),
}
- let spend_txn = check_dynamic_output_p2wpkh!(nodes[1]);
+ let spend_txn = check_spendable_outputs!(nodes[1], 1);
assert_eq!(spend_txn.len(), 2);
assert_eq!(spend_txn[0], spend_txn[1]);
check_spends!(spend_txn[0], node_txn[0].clone());
}
+ #[test]
+ fn test_claim_on_remote_revoked_sizeable_push_msat() {
+ // Same test as previous, just test on remote revoked commitment tx, as per_commitment_point registration changes following you're funder/fundee and
+ // to_remote output is encumbered by a P2WPKH
+
+ let nodes = create_network(2);
+
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 59000000);
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
+ let revoked_local_txn = nodes[0].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().last_local_commitment_txn.clone();
+ assert_eq!(revoked_local_txn[0].input.len(), 1);
+ assert_eq!(revoked_local_txn[0].input[0].previous_output.txid, chan.3.txid());
+
+ claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage);
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ let spend_txn = check_spendable_outputs!(nodes[1], 1);
+ assert_eq!(spend_txn.len(), 4);
+ assert_eq!(spend_txn[0], spend_txn[2]); // to_remote output on revoked remote commitment_tx
+ check_spends!(spend_txn[0], revoked_local_txn[0].clone());
+ assert_eq!(spend_txn[1], spend_txn[3]); // to_local output on local commitment tx
+ check_spends!(spend_txn[1], node_txn[0].clone());
+ }
+
#[test]
fn test_static_spendable_outputs_preimage_tx() {
let nodes = create_network(2);
assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), 133);
check_spends!(node_txn[1], chan_1.3.clone());
- let events = nodes[1].chan_monitor.simple_monitor.get_and_clear_pending_events();
- let spend_tx = check_static_output!(events, nodes, 0, 0, 1, 1);
- check_spends!(spend_tx, node_txn[0].clone());
+ let spend_txn = check_spendable_outputs!(nodes[1], 1); // , 0, 0, 1, 1);
+ assert_eq!(spend_txn.len(), 2);
+ assert_eq!(spend_txn[0], spend_txn[1]);
+ check_spends!(spend_txn[0], node_txn[0].clone());
}
#[test]
assert_eq!(node_txn[0].input.len(), 2);
check_spends!(node_txn[0], revoked_local_txn[0].clone());
- let events = nodes[1].chan_monitor.simple_monitor.get_and_clear_pending_events();
- let spend_tx = check_static_output!(events, nodes, 0, 0, 1, 1);
- check_spends!(spend_tx, node_txn[0].clone());
+ let spend_txn = check_spendable_outputs!(nodes[1], 1);
+ assert_eq!(spend_txn.len(), 2);
+ assert_eq!(spend_txn[0], spend_txn[1]);
+ check_spends!(spend_txn[0], node_txn[0].clone());
}
#[test]
assert_eq!(node_txn[3].input.len(), 1);
check_spends!(node_txn[3], revoked_htlc_txn[0].clone());
- let events = nodes[1].chan_monitor.simple_monitor.get_and_clear_pending_events();
// Check B's ChannelMonitor was able to generate the right spendable output descriptor
- let spend_tx = check_static_output!(events, nodes, 1, 1, 1, 1);
- check_spends!(spend_tx, node_txn[3].clone());
+ let spend_txn = check_spendable_outputs!(nodes[1], 1);
+ assert_eq!(spend_txn.len(), 3);
+ assert_eq!(spend_txn[0], spend_txn[1]);
+ check_spends!(spend_txn[0], node_txn[0].clone());
+ check_spends!(spend_txn[2], node_txn[3].clone());
}
#[test]
assert_eq!(node_txn[3].input.len(), 1);
check_spends!(node_txn[3], revoked_htlc_txn[0].clone());
- let events = nodes[0].chan_monitor.simple_monitor.get_and_clear_pending_events();
// Check A's ChannelMonitor was able to generate the right spendable output descriptor
- let spend_tx = check_static_output!(events, nodes, 1, 2, 1, 0);
- check_spends!(spend_tx, node_txn[3].clone());
+ let spend_txn = check_spendable_outputs!(nodes[0], 1);
+ assert_eq!(spend_txn.len(), 5);
+ assert_eq!(spend_txn[0], spend_txn[2]);
+ assert_eq!(spend_txn[1], spend_txn[3]);
+ check_spends!(spend_txn[0], revoked_local_txn[0].clone()); // spending to_remote output from revoked local tx
+ check_spends!(spend_txn[1], node_txn[2].clone()); // spending justice tx output from revoked local tx htlc received output
+ check_spends!(spend_txn[4], node_txn[3].clone()); // spending justice tx output on htlc success tx
}
#[test]
check_spends!(node_txn[0], local_txn[0].clone());
// Verify that B is able to spend its own HTLC-Success tx thanks to spendable output event given back by its ChannelMonitor
- let spend_txn = check_dynamic_output_p2wsh!(nodes[1]);
+ let spend_txn = check_spendable_outputs!(nodes[1], 1);
assert_eq!(spend_txn.len(), 1);
check_spends!(spend_txn[0], node_txn[0].clone());
}
check_spends!(node_txn[0], local_txn[0].clone());
// Verify that A is able to spend its own HTLC-Timeout tx thanks to spendable output event given back by its ChannelMonitor
- let spend_txn = check_dynamic_output_p2wsh!(nodes[0]);
+ let spend_txn = check_spendable_outputs!(nodes[0], 1);
assert_eq!(spend_txn.len(), 4);
assert_eq!(spend_txn[0], spend_txn[2]);
assert_eq!(spend_txn[1], spend_txn[3]);
let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
nodes[0].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![closing_tx.clone()] }, 1);
- let events = nodes[0].chan_monitor.simple_monitor.get_and_clear_pending_events();
- let spend_tx = check_static_output!(events, nodes, 0, 0, 2, 0);
- check_spends!(spend_tx, closing_tx.clone());
+ let spend_txn = check_spendable_outputs!(nodes[0], 2);
+ assert_eq!(spend_txn.len(), 1);
+ check_spends!(spend_txn[0], closing_tx.clone());
nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![closing_tx.clone()] }, 1);
- let events = nodes[1].chan_monitor.simple_monitor.get_and_clear_pending_events();
- let spend_tx = check_static_output!(events, nodes, 0, 0, 2, 1);
- check_spends!(spend_tx, closing_tx);
+ let spend_txn = check_spendable_outputs!(nodes[1], 2);
+ assert_eq!(spend_txn.len(), 1);
+ check_spends!(spend_txn[0], closing_tx);
}
}
projects / rust-lightning / commitdiff