$node_a.node.handle_accept_channel(&$node_b.node.get_our_node_id(), InitFeatures::known(), &get_event_msg!($node_b, MessageSendEvent::SendAcceptChannel, $node_a.node.get_our_node_id()));
let events = $node_a.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
- let (temporary_channel_id, tx, funding_output) = match events[0] {
+ let (temporary_channel_id, tx) = match events[0] {
Event::FundingGenerationReady { ref temporary_channel_id, ref channel_value_satoshis, ref output_script, user_channel_id } => {
assert_eq!(*channel_value_satoshis, $channel_value);
assert_eq!(user_channel_id, 42);
let tx = Transaction { version: 1 as i32, lock_time: 0, input: Vec::new(), output: vec![TxOut {
value: *channel_value_satoshis, script_pubkey: output_script.clone(),
}]};
- let funding_outpoint = OutPoint { txid: tx.txid(), index: 0 };
- (*temporary_channel_id, tx, funding_outpoint)
+ (*temporary_channel_id, tx)
},
_ => panic!("Unexpected event"),
};
- $node_a.node.funding_transaction_generated(&temporary_channel_id, funding_output);
+ $node_a.node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap();
$node_b.node.handle_funding_created(&$node_a.node.get_our_node_id(), &get_event_msg!($node_a, MessageSendEvent::SendFundingCreated, $node_b.node.get_our_node_id()));
$node_a.node.handle_funding_signed(&$node_b.node.get_our_node_id(), &get_event_msg!($node_b, MessageSendEvent::SendFundingSigned, $node_a.node.get_our_node_id()));
tx
value: *channel_value_satoshis, script_pubkey: output_script.clone(),
}]};
funding_output = OutPoint { txid: tx.txid(), index: 0 };
- $source.funding_transaction_generated(&temporary_channel_id, funding_output);
+ $source.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap();
channel_txn.push(tx);
} else { panic!("Wrong event type"); }
}
};
$source.handle_funding_signed(&$dest.get_our_node_id(), &funding_signed);
- {
- let events = $source.get_and_clear_pending_events();
- assert_eq!(events.len(), 1);
- if let events::Event::FundingBroadcastSafe { .. } = events[0] {
- } else { panic!("Wrong event type"); }
- }
funding_output
} }
}
use std::cell::RefCell;
use std::collections::{HashMap, hash_map};
use std::cmp;
-use std::sync::Arc;
+use std::sync::{Arc, Mutex};
use std::sync::atomic::{AtomicU64,AtomicUsize,Ordering};
#[inline]
}
}
-struct TestBroadcaster {}
+struct TestBroadcaster {
+ txn_broadcasted: Mutex<Vec<Transaction>>,
+}
impl BroadcasterInterface for TestBroadcaster {
- fn broadcast_transaction(&self, _tx: &Transaction) {}
+ fn broadcast_transaction(&self, tx: &Transaction) {
+ self.txn_broadcasted.lock().unwrap().push(tx.clone());
+ }
}
#[derive(Clone)]
Err(_) => return,
};
- let broadcast = Arc::new(TestBroadcaster{});
+ let broadcast = Arc::new(TestBroadcaster{ txn_broadcasted: Mutex::new(Vec::new()) });
let monitor = Arc::new(chainmonitor::ChainMonitor::new(None, broadcast.clone(), Arc::clone(&logger), fee_est.clone(), Arc::new(TestPersister{})));
let keys_manager = Arc::new(KeyProvider { node_secret: our_network_key.clone(), counter: AtomicU64::new(0) });
let mut payments_sent = 0;
let mut pending_funding_generation: Vec<([u8; 32], u64, Script)> = Vec::new();
let mut pending_funding_signatures = HashMap::new();
- let mut pending_funding_relay = Vec::new();
loop {
match get_slice!(1)[0] {
continue 'outer_loop;
}
};
- channelmanager.funding_transaction_generated(&funding_generation.0, funding_output.clone());
+ channelmanager.funding_transaction_generated(&funding_generation.0, tx.clone()).unwrap();
pending_funding_signatures.insert(funding_output, tx);
}
},
11 => {
- if !pending_funding_relay.is_empty() {
- loss_detector.connect_block(&pending_funding_relay[..]);
+ let mut txn = broadcast.txn_broadcasted.lock().unwrap();
+ if !txn.is_empty() {
+ loss_detector.connect_block(&txn[..]);
for _ in 2..100 {
loss_detector.connect_block(&[]);
}
}
- for tx in pending_funding_relay.drain(..) {
+ for tx in txn.drain(..) {
loss_detector.funding_txn.push(tx);
}
},
Event::FundingGenerationReady { temporary_channel_id, channel_value_satoshis, output_script, .. } => {
pending_funding_generation.push((temporary_channel_id, channel_value_satoshis, output_script));
},
- Event::FundingBroadcastSafe { funding_txo, .. } => {
- pending_funding_relay.push(pending_funding_signatures.remove(&funding_txo).unwrap());
- },
Event::PaymentReceived { payment_hash, payment_secret, amt } => {
//TODO: enhance by fetching random amounts from fuzz input?
payments_received.push((payment_hash, payment_secret, amt));
let (temporary_channel_id, funding_tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 43);
- nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_output);
+ nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_tx.clone()).unwrap();
check_added_monitors!(nodes[0], 0);
*nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
check_added_monitors!(nodes[0], 0);
let events = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events.len(), 1);
- match events[0] {
- Event::FundingBroadcastSafe { ref funding_txo, user_channel_id } => {
- assert_eq!(user_channel_id, 43);
- assert_eq!(*funding_txo, funding_output);
- },
- _ => panic!("Unexpected event"),
- };
+ assert_eq!(events.len(), 0);
+ assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
+ assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0)[0].txid(), funding_output.txid);
if confirm_a_first {
confirm_transaction(&nodes[0], &funding_tx);
counterparty_forwarding_info: Option<CounterpartyForwardingInfo>,
pub(crate) channel_transaction_parameters: ChannelTransactionParameters,
+ funding_transaction: Option<Transaction>,
counterparty_cur_commitment_point: Option<PublicKey>,
-
counterparty_prev_commitment_point: Option<PublicKey>,
counterparty_node_id: PublicKey,
counterparty_parameters: None,
funding_outpoint: None
},
- counterparty_cur_commitment_point: None,
+ funding_transaction: None,
+ counterparty_cur_commitment_point: None,
counterparty_prev_commitment_point: None,
counterparty_node_id,
}),
funding_outpoint: None
},
- counterparty_cur_commitment_point: Some(msg.first_per_commitment_point),
+ funding_transaction: None,
+ counterparty_cur_commitment_point: Some(msg.first_per_commitment_point),
counterparty_prev_commitment_point: None,
counterparty_node_id,
/// Handles a funding_signed message from the remote end.
/// If this call is successful, broadcast the funding transaction (and not before!)
- pub fn funding_signed<L: Deref>(&mut self, msg: &msgs::FundingSigned, last_block_hash: BlockHash, logger: &L) -> Result<ChannelMonitor<Signer>, ChannelError> where L::Target: Logger {
+ pub fn funding_signed<L: Deref>(&mut self, msg: &msgs::FundingSigned, last_block_hash: BlockHash, logger: &L) -> Result<(ChannelMonitor<Signer>, Transaction), ChannelError> where L::Target: Logger {
if !self.is_outbound() {
return Err(ChannelError::Close("Received funding_signed for an inbound channel?".to_owned()));
}
self.cur_holder_commitment_transaction_number -= 1;
self.cur_counterparty_commitment_transaction_number -= 1;
- Ok(channel_monitor)
+ Ok((channel_monitor, self.funding_transaction.as_ref().cloned().unwrap()))
}
pub fn funding_locked(&mut self, msg: &msgs::FundingLocked) -> Result<(), ChannelError> {
/// Indicates that the latest ChannelMonitor update has been committed by the client
/// successfully and we should restore normal operation. Returns messages which should be sent
/// to the remote side.
- pub fn monitor_updating_restored<L: Deref>(&mut self, logger: &L) -> (Option<msgs::RevokeAndACK>, Option<msgs::CommitmentUpdate>, RAACommitmentOrder, Vec<(PendingHTLCInfo, u64)>, Vec<(HTLCSource, PaymentHash, HTLCFailReason)>, bool, Option<msgs::FundingLocked>) where L::Target: Logger {
+ pub fn monitor_updating_restored<L: Deref>(&mut self, logger: &L) -> (Option<msgs::RevokeAndACK>, Option<msgs::CommitmentUpdate>, RAACommitmentOrder, Vec<(PendingHTLCInfo, u64)>, Vec<(HTLCSource, PaymentHash, HTLCFailReason)>, Option<Transaction>, Option<msgs::FundingLocked>) where L::Target: Logger {
assert_eq!(self.channel_state & ChannelState::MonitorUpdateFailed as u32, ChannelState::MonitorUpdateFailed as u32);
self.channel_state &= !(ChannelState::MonitorUpdateFailed as u32);
- let needs_broadcast_safe = self.channel_state & (ChannelState::FundingSent as u32) != 0 && self.is_outbound();
+ let funding_broadcastable = if self.channel_state & (ChannelState::FundingSent as u32) != 0 && self.is_outbound() {
+ self.funding_transaction.take()
+ } else { None };
- // Because we will never generate a FundingBroadcastSafe event when we're in
- // MonitorUpdateFailed, if we assume the user only broadcast the funding transaction when
- // they received the FundingBroadcastSafe event, we can only ever hit
- // monitor_pending_funding_locked when we're an inbound channel which failed to persist the
- // monitor on funding_created, and we even got the funding transaction confirmed before the
- // monitor was persisted.
+ // We will never broadcast the funding transaction when we're in MonitorUpdateFailed (and
+ // we assume the user never directly broadcasts the funding transaction and waits for us to
+ // do it). Thus, we can only ever hit monitor_pending_funding_locked when we're an inbound
+ // channel which failed to persist the monitor on funding_created, and we got the funding
+ // transaction confirmed before the monitor was persisted.
let funding_locked = if self.monitor_pending_funding_locked {
- assert!(!self.is_outbound(), "Funding transaction broadcast without FundingBroadcastSafe!");
+ assert!(!self.is_outbound(), "Funding transaction broadcast by the local client before it should have - LDK didn't do it!");
self.monitor_pending_funding_locked = false;
let next_per_commitment_point = self.holder_signer.get_per_commitment_point(self.cur_holder_commitment_transaction_number, &self.secp_ctx);
Some(msgs::FundingLocked {
if self.channel_state & (ChannelState::PeerDisconnected as u32) != 0 {
self.monitor_pending_revoke_and_ack = false;
self.monitor_pending_commitment_signed = false;
- return (None, None, RAACommitmentOrder::RevokeAndACKFirst, forwards, failures, needs_broadcast_safe, funding_locked);
+ return (None, None, RAACommitmentOrder::RevokeAndACKFirst, forwards, failures, funding_broadcastable, funding_locked);
}
let raa = if self.monitor_pending_revoke_and_ack {
self.monitor_pending_commitment_signed = false;
let order = self.resend_order.clone();
log_trace!(logger, "Restored monitor updating resulting in {}{} commitment update and {} RAA, with {} first",
- if needs_broadcast_safe { "a funding broadcast safe, " } else { "" },
+ if funding_broadcastable.is_some() { "a funding broadcastable, " } else { "" },
if commitment_update.is_some() { "a" } else { "no" },
if raa.is_some() { "an" } else { "no" },
match order { RAACommitmentOrder::CommitmentFirst => "commitment", RAACommitmentOrder::RevokeAndACKFirst => "RAA"});
- (raa, commitment_update, order, forwards, failures, needs_broadcast_safe, funding_locked)
+ (raa, commitment_update, order, forwards, failures, funding_broadcastable, funding_locked)
}
pub fn update_fee<F: Deref>(&mut self, fee_estimator: &F, msg: &msgs::UpdateFee) -> Result<(), ChannelError>
/// Note that channel_id changes during this call!
/// Do NOT broadcast the funding transaction until after a successful funding_signed call!
/// If an Err is returned, it is a ChannelError::Close.
- pub fn get_outbound_funding_created<L: Deref>(&mut self, funding_txo: OutPoint, logger: &L) -> Result<msgs::FundingCreated, ChannelError> where L::Target: Logger {
+ pub fn get_outbound_funding_created<L: Deref>(&mut self, funding_transaction: Transaction, funding_txo: OutPoint, logger: &L) -> Result<msgs::FundingCreated, ChannelError> where L::Target: Logger {
if !self.is_outbound() {
panic!("Tried to create outbound funding_created message on an inbound channel!");
}
self.channel_state = ChannelState::FundingCreated as u32;
self.channel_id = funding_txo.to_channel_id();
+ self.funding_transaction = Some(funding_transaction);
Ok(msgs::FundingCreated {
temporary_channel_id,
}
self.channel_transaction_parameters.write(writer)?;
- self.counterparty_cur_commitment_point.write(writer)?;
+ self.funding_transaction.write(writer)?;
+ self.counterparty_cur_commitment_point.write(writer)?;
self.counterparty_prev_commitment_point.write(writer)?;
self.counterparty_node_id.write(writer)?;
};
let channel_parameters = Readable::read(reader)?;
+ let funding_transaction = Readable::read(reader)?;
+
let counterparty_cur_commitment_point = Readable::read(reader)?;
let counterparty_prev_commitment_point = Readable::read(reader)?;
counterparty_forwarding_info,
channel_transaction_parameters: channel_parameters,
- counterparty_cur_commitment_point,
+ funding_transaction,
+ counterparty_cur_commitment_point,
counterparty_prev_commitment_point,
counterparty_node_id,
value: 10000000, script_pubkey: output_script.clone(),
}]};
let funding_outpoint = OutPoint{ txid: tx.txid(), index: 0 };
- let funding_created_msg = node_a_chan.get_outbound_funding_created(funding_outpoint, &&logger).unwrap();
+ let funding_created_msg = node_a_chan.get_outbound_funding_created(tx.clone(), funding_outpoint, &&logger).unwrap();
let (funding_signed_msg, _) = node_b_chan.funding_created(&funding_created_msg, last_block_hash, &&logger).unwrap();
// Node B --> Node A: funding signed
//!
use bitcoin::blockdata::block::{Block, BlockHeader};
+use bitcoin::blockdata::transaction::Transaction;
use bitcoin::blockdata::constants::genesis_block;
use bitcoin::network::constants::Network;
/// Creates a new outbound channel to the given remote node and with the given value.
///
- /// user_id will be provided back as user_channel_id in FundingGenerationReady and
- /// FundingBroadcastSafe events to allow tracking of which events correspond with which
- /// create_channel call. Note that user_channel_id defaults to 0 for inbound channels, so you
- /// may wish to avoid using 0 for user_id here.
+ /// user_id will be provided back as user_channel_id in FundingGenerationReady events to allow
+ /// tracking of which events correspond with which create_channel call. Note that the
+ /// user_channel_id defaults to 0 for inbound channels, so you may wish to avoid using 0 for
+ /// user_id here. user_id has no meaning inside of LDK, it is simply copied to events and
+ /// otherwise ignored.
///
/// If successful, will generate a SendOpenChannel message event, so you should probably poll
/// PeerManager::process_events afterwards.
/// Call this upon creation of a funding transaction for the given channel.
///
- /// Note that ALL inputs in the transaction pointed to by funding_txo MUST spend SegWit outputs
- /// or your counterparty can steal your funds!
+ /// Returns an [`APIError::APIMisuseError`] if the funding_transaction spent non-SegWit outputs
+ /// or if no output was found which matches the parameters in [`Event::FundingGenerationReady`].
///
/// Panics if a funding transaction has already been provided for this channel.
///
- /// May panic if the funding_txo is duplicative with some other channel (note that this should
- /// be trivially prevented by using unique funding transaction keys per-channel).
- pub fn funding_transaction_generated(&self, temporary_channel_id: &[u8; 32], funding_txo: OutPoint) {
+ /// May panic if the output found in the funding transaction is duplicative with some other
+ /// channel (note that this should be trivially prevented by using unique funding transaction
+ /// keys per-channel).
+ ///
+ /// Do NOT broadcast the funding transaction yourself. When we have safely received our
+ /// counterparty's signature the funding transaction will automatically be broadcast via the
+ /// [`BroadcasterInterface`] provided when this `ChannelManager` was constructed.
+ ///
+ /// Note that this includes RBF or similar transaction replacement strategies - lightning does
+ /// not currently support replacing a funding transaction on an existing channel. Instead,
+ /// create a new channel with a conflicting funding transaction.
+ pub fn funding_transaction_generated(&self, temporary_channel_id: &[u8; 32], funding_transaction: Transaction) -> Result<(), APIError> {
let _persistence_guard = PersistenceNotifierGuard::new(&self.total_consistency_lock, &self.persistence_notifier);
+ for inp in funding_transaction.input.iter() {
+ if inp.witness.is_empty() {
+ return Err(APIError::APIMisuseError {
+ err: "Funding transaction must be fully signed and spend Segwit outputs".to_owned()
+ });
+ }
+ }
+
let (chan, msg) = {
let (res, chan) = match self.channel_state.lock().unwrap().by_id.remove(temporary_channel_id) {
Some(mut chan) => {
- (chan.get_outbound_funding_created(funding_txo, &self.logger)
+ let mut output_index = None;
+ let expected_spk = chan.get_funding_redeemscript().to_v0_p2wsh();
+ for (idx, outp) in funding_transaction.output.iter().enumerate() {
+ if outp.script_pubkey == expected_spk && outp.value == chan.get_value_satoshis() {
+ if output_index.is_some() {
+ return Err(APIError::APIMisuseError {
+ err: "Multiple outputs matched the expected script and value".to_owned()
+ });
+ }
+ if idx > u16::max_value() as usize {
+ return Err(APIError::APIMisuseError {
+ err: "Transaction had more than 2^16 outputs, which is not supported".to_owned()
+ });
+ }
+ output_index = Some(idx as u16);
+ }
+ }
+ if output_index.is_none() {
+ return Err(APIError::APIMisuseError {
+ err: "No output matched the script_pubkey and value in the FundingGenerationReady event".to_owned()
+ });
+ }
+ let funding_txo = OutPoint { txid: funding_transaction.txid(), index: output_index.unwrap() };
+
+ (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.force_shutdown(true), None)
} else { unreachable!(); })
, chan)
},
- None => return
+ None => { return Err(APIError::ChannelUnavailable { err: "No such channel".to_owned() }) },
};
match handle_error!(self, res, chan.get_counterparty_node_id()) {
Ok(funding_msg) => {
(chan, funding_msg)
},
- Err(_) => { return; }
+ Err(_) => { return Err(APIError::ChannelUnavailable {
+ err: "Error deriving keys or signing initial commitment transactions - either our RNG or our counterparty's RNG is broken or the Signer refused to sign".to_owned()
+ }) },
}
};
e.insert(chan);
}
}
+ Ok(())
}
fn get_announcement_sigs(&self, chan: &Channel<Signer>) -> Option<msgs::AnnouncementSignatures> {
return;
}
- let (raa, commitment_update, order, pending_forwards, mut pending_failures, needs_broadcast_safe, funding_locked) = channel.monitor_updating_restored(&self.logger);
+ let (raa, commitment_update, order, pending_forwards, mut pending_failures, funding_broadcastable, funding_locked) = channel.monitor_updating_restored(&self.logger);
if !pending_forwards.is_empty() {
htlc_forwards.push((channel.get_short_channel_id().expect("We can't have pending forwards before funding confirmation"), funding_txo.clone(), pending_forwards));
}
handle_cs!();
},
}
- if needs_broadcast_safe {
- pending_events.push(events::Event::FundingBroadcastSafe {
- funding_txo: channel.get_funding_txo().unwrap(),
- user_channel_id: channel.get_user_id(),
- });
+ if let Some(tx) = funding_broadcastable {
+ self.tx_broadcaster.broadcast_transaction(&tx);
}
if let Some(msg) = funding_locked {
pending_msg_events.push(events::MessageSendEvent::SendFundingLocked {
}
fn internal_funding_signed(&self, counterparty_node_id: &PublicKey, msg: &msgs::FundingSigned) -> Result<(), MsgHandleErrInternal> {
- let (funding_txo, user_id) = {
+ let funding_tx = {
let last_block_hash = *self.last_block_hash.read().unwrap();
let mut channel_lock = self.channel_state.lock().unwrap();
let channel_state = &mut *channel_lock;
if chan.get().get_counterparty_node_id() != *counterparty_node_id {
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!".to_owned(), msg.channel_id));
}
- let monitor = match chan.get_mut().funding_signed(&msg, last_block_hash, &self.logger) {
+ let (monitor, funding_tx) = match chan.get_mut().funding_signed(&msg, last_block_hash, &self.logger) {
Ok(update) => update,
Err(e) => try_chan_entry!(self, Err(e), channel_state, chan),
};
if let Err(e) = self.chain_monitor.watch_channel(chan.get().get_funding_txo().unwrap(), monitor) {
return_monitor_err!(self, e, channel_state, chan, RAACommitmentOrder::RevokeAndACKFirst, false, false);
}
- (chan.get().get_funding_txo().unwrap(), chan.get().get_user_id())
+ funding_tx
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel".to_owned(), msg.channel_id))
}
};
- let mut pending_events = self.pending_events.lock().unwrap();
- pending_events.push(events::Event::FundingBroadcastSafe {
- funding_txo,
- user_channel_id: user_id,
- });
+ self.tx_broadcaster.broadcast_transaction(&funding_tx);
Ok(())
}
let (temporary_channel_id, tx, funding_output) = create_funding_transaction(node_a, channel_value, 42);
- node_a.node.funding_transaction_generated(&temporary_channel_id, funding_output);
+ node_a.node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap();
check_added_monitors!(node_a, 0);
node_b.node.handle_funding_created(&node_a.node.get_our_node_id(), &get_event_msg!(node_a, MessageSendEvent::SendFundingCreated, node_b.node.get_our_node_id()));
}
let events_4 = node_a.node.get_and_clear_pending_events();
- assert_eq!(events_4.len(), 1);
- match events_4[0] {
- Event::FundingBroadcastSafe { ref funding_txo, user_channel_id } => {
- assert_eq!(user_channel_id, 42);
- assert_eq!(*funding_txo, funding_output);
- },
- _ => panic!("Unexpected event"),
- };
+ assert_eq!(events_4.len(), 0);
+
+ assert_eq!(node_a.tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
+ assert_eq!(node_a.tx_broadcaster.txn_broadcasted.lock().unwrap()[0], tx);
+ node_a.tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
tx
}
let (temporary_channel_id, tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 42);
if steps & 0x0f == 3 { return; }
- nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_output);
+ nodes[0].node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap();
check_added_monitors!(nodes[0], 0);
let funding_created = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
}
let events_4 = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events_4.len(), 1);
- match events_4[0] {
- Event::FundingBroadcastSafe { ref funding_txo, user_channel_id } => {
- assert_eq!(user_channel_id, 42);
- assert_eq!(*funding_txo, funding_output);
- },
- _ => panic!("Unexpected event"),
- };
+ assert_eq!(events_4.len(), 0);
if steps & 0x0f == 6 { return; }
create_chan_between_nodes_with_value_confirm_first(&nodes[0], &nodes[1], &tx, 2);
let nodes_0_deserialized: ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
- // Start creating a channel, but stop right before broadcasting the event message FundingBroadcastSafe
+ // Start creating a channel, but stop right before broadcasting the funding transaction
let channel_value = 100000;
let push_msat = 10001;
let a_flags = InitFeatures::known();
let (temporary_channel_id, tx, funding_output) = create_funding_transaction(&node_a, channel_value, 42);
- node_a.node.funding_transaction_generated(&temporary_channel_id, funding_output);
+ node_a.node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap();
check_added_monitors!(node_a, 0);
node_b.node.handle_funding_created(&node_a.node.get_our_node_id(), &get_event_msg!(node_a, MessageSendEvent::SendFundingCreated, node_b.node.get_our_node_id()));
assert_eq!(added_monitors[0].0, funding_output);
added_monitors.clear();
}
- // Normally, this is where node_a would check for a FundingBroadcastSafe event, but the test de/serializes first instead
+ // Normally, this is where node_a would broadcast the funding transaction, but the test de/serializes first instead
nodes.push(node_a);
nodes.push(node_b);
assert!(nodes[0].chain_monitor.watch_channel(chan_0_monitor.get_funding_txo().0, chan_0_monitor).is_ok());
nodes[0].node = &nodes_0_deserialized;
- // After deserializing, make sure the FundingBroadcastSafe event is still held by the channel manager
+ // After deserializing, make sure the funding_transaction is still held by the channel manager
let events_4 = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events_4.len(), 1);
- match events_4[0] {
- Event::FundingBroadcastSafe { ref funding_txo, user_channel_id } => {
- assert_eq!(user_channel_id, 42);
- assert_eq!(*funding_txo, funding_output);
- },
- _ => panic!("Unexpected event"),
- };
+ assert_eq!(events_4.len(), 0);
+ assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
+ assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[0].txid(), funding_output.txid);
// Make sure the channel is functioning as though the de/serialization never happened
assert_eq!(nodes[0].node.list_channels().len(), 1);
nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &accept_chan_msg);
// Move the first channel through the funding flow...
- let (temporary_channel_id, _tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 42);
+ let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[0], 100000, 42);
- nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_output);
+ nodes[0].node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap();
check_added_monitors!(nodes[0], 0);
let funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
// Move the first channel through the funding flow...
let (temporary_channel_id, tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 42);
- nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_output);
+ nodes[0].node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap();
check_added_monitors!(nodes[0], 0);
let mut funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
let mut a_channel_lock = nodes[0].node.channel_state.lock().unwrap();
let mut as_chan = a_channel_lock.by_id.get_mut(&open_chan_2_msg.temporary_channel_id).unwrap();
let logger = test_utils::TestLogger::new();
- as_chan.get_outbound_funding_created(funding_outpoint, &&logger).unwrap()
+ as_chan.get_outbound_funding_created(tx.clone(), funding_outpoint, &&logger).unwrap()
};
check_added_monitors!(nodes[0], 0);
nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &funding_created);
}
let events_4 = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events_4.len(), 1);
- match events_4[0] {
- Event::FundingBroadcastSafe { ref funding_txo, user_channel_id } => {
- assert_eq!(user_channel_id, 42);
- assert_eq!(*funding_txo, funding_output);
- },
- _ => panic!("Unexpected event"),
- };
+ assert_eq!(events_4.len(), 0);
+ assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
+ assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap()[0].txid(), funding_output.txid);
let (funding_locked, _) = create_chan_between_nodes_with_value_confirm(&nodes[0], &nodes[1], &tx);
let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &funding_locked);
nodes[0].node.handle_error(&nodes[1].node.get_our_node_id(), &msgs::ErrorMessage { channel_id: chan_2.2, data: "ERR".to_owned() });
check_added_monitors!(nodes[0], 1);
check_closed_broadcast!(nodes[0], false);
+ assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0).len(), 1);
assert_eq!(nodes[0].node.list_usable_channels().len(), 2);
assert!(nodes[0].node.list_usable_channels()[0].channel_id == chan_1.2 || nodes[0].node.list_usable_channels()[1].channel_id == chan_1.2);
assert!(nodes[0].node.list_usable_channels()[0].channel_id == chan_3.2 || nodes[0].node.list_usable_channels()[1].channel_id == chan_3.2);
use ln::msgs;
use ln::channelmanager::{PaymentPreimage, PaymentHash, PaymentSecret};
-use chain::transaction::OutPoint;
use chain::keysinterface::SpendableOutputDescriptor;
use util::ser::{Writeable, Writer, MaybeReadable, Readable};
/// The value passed in to ChannelManager::create_channel
user_channel_id: u64,
},
- /// Used to indicate that the client may now broadcast the funding transaction it created for a
- /// channel. Broadcasting such a transaction prior to this event may lead to our counterparty
- /// trivially stealing all funds in the funding transaction!
- FundingBroadcastSafe {
- /// The output, which was passed to ChannelManager::funding_transaction_generated, which is
- /// now safe to broadcast.
- funding_txo: OutPoint,
- /// The value passed in to ChannelManager::create_channel
- user_channel_id: u64,
- },
/// Indicates we've received money! Just gotta dig out that payment preimage and feed it to
/// ChannelManager::claim_funds to get it....
/// Note that if the preimage is not known or the amount paid is incorrect, you should call
// We never write out FundingGenerationReady events as, upon disconnection, peers
// drop any channels which have not yet exchanged funding_signed.
},
- &Event::FundingBroadcastSafe { ref funding_txo, ref user_channel_id } => {
- 1u8.write(writer)?;
- funding_txo.write(writer)?;
- user_channel_id.write(writer)?;
- },
&Event::PaymentReceived { ref payment_hash, ref payment_secret, ref amt } => {
- 2u8.write(writer)?;
+ 1u8.write(writer)?;
payment_hash.write(writer)?;
payment_secret.write(writer)?;
amt.write(writer)?;
},
&Event::PaymentSent { ref payment_preimage } => {
- 3u8.write(writer)?;
+ 2u8.write(writer)?;
payment_preimage.write(writer)?;
},
&Event::PaymentFailed { ref payment_hash, ref rejected_by_dest,
#[cfg(test)]
ref error_data,
} => {
- 4u8.write(writer)?;
+ 3u8.write(writer)?;
payment_hash.write(writer)?;
rejected_by_dest.write(writer)?;
#[cfg(test)]
error_data.write(writer)?;
},
&Event::PendingHTLCsForwardable { time_forwardable: _ } => {
- 5u8.write(writer)?;
+ 4u8.write(writer)?;
// We don't write the time_fordwardable out at all, as we presume when the user
// deserializes us at least that much time has elapsed.
},
&Event::SpendableOutputs { ref outputs } => {
- 6u8.write(writer)?;
+ 5u8.write(writer)?;
(outputs.len() as u64).write(writer)?;
for output in outputs.iter() {
output.write(writer)?;
fn read<R: ::std::io::Read>(reader: &mut R) -> Result<Option<Self>, msgs::DecodeError> {
match Readable::read(reader)? {
0u8 => Ok(None),
- 1u8 => Ok(Some(Event::FundingBroadcastSafe {
- funding_txo: Readable::read(reader)?,
- user_channel_id: Readable::read(reader)?,
- })),
- 2u8 => Ok(Some(Event::PaymentReceived {
+ 1u8 => Ok(Some(Event::PaymentReceived {
payment_hash: Readable::read(reader)?,
payment_secret: Readable::read(reader)?,
amt: Readable::read(reader)?,
})),
- 3u8 => Ok(Some(Event::PaymentSent {
+ 2u8 => Ok(Some(Event::PaymentSent {
payment_preimage: Readable::read(reader)?,
})),
- 4u8 => Ok(Some(Event::PaymentFailed {
+ 3u8 => Ok(Some(Event::PaymentFailed {
payment_hash: Readable::read(reader)?,
rejected_by_dest: Readable::read(reader)?,
#[cfg(test)]
#[cfg(test)]
error_data: Readable::read(reader)?,
})),
- 5u8 => Ok(Some(Event::PendingHTLCsForwardable {
+ 4u8 => Ok(Some(Event::PendingHTLCsForwardable {
time_forwardable: Duration::from_secs(0)
})),
- 6u8 => {
+ 5u8 => {
let outputs_len: u64 = Readable::read(reader)?;
let mut outputs = Vec::new();
for _ in 0..outputs_len {
projects / rust-lightning / commitdiff