use bitcoin::blockdata::script::{Script,Builder};
use bitcoin::blockdata::transaction::{TxIn, TxOut, Transaction, SigHashType};
use bitcoin::blockdata::opcodes;
-use bitcoin::util::hash::{Sha256dHash, Hash160};
+use bitcoin::util::hash::{BitcoinHash, Sha256dHash, Hash160};
use bitcoin::util::bip143;
-use bitcoin::network;
-use bitcoin::network::serialize::{BitcoinHash, RawDecoder, RawEncoder};
-use bitcoin::network::encodable::{ConsensusEncodable, ConsensusDecodable};
+use bitcoin::consensus::encode::{self, Encodable, Decodable};
use secp256k1::key::{PublicKey,SecretKey};
use secp256k1::{Secp256k1,Message,Signature};
const BREAKDOWN_TIMEOUT: u16 = 6 * 24 * 7; //TODO?
/// The amount of time we're willing to wait to claim money back to us
const MAX_LOCAL_BREAKDOWN_TIMEOUT: u16 = 6 * 24 * 14;
- const COMMITMENT_TX_BASE_WEIGHT: u64 = 724;
- const COMMITMENT_TX_WEIGHT_PER_HTLC: u64 = 172;
+ /// Exposing these two constants for use in test in ChannelMonitor
+ pub const COMMITMENT_TX_BASE_WEIGHT: u64 = 724;
+ pub const COMMITMENT_TX_WEIGHT_PER_HTLC: u64 = 172;
const SPENDING_INPUT_FOR_A_OUTPUT_WEIGHT: u64 = 79; // prevout: 36, nSequence: 4, script len: 1, witness lengths: (3+1)/4, sig: 73/4, if-selector: 1, redeemScript: (6 ops + 2*33 pubkeys + 1*2 delay)/4
const B_OUTPUT_PLUS_SPENDING_INPUT_WEIGHT: u64 = 104; // prevout: 40, nSequence: 4, script len: 1, witness lengths: 3/4, sig: 73/4, pubkey: 33/4, output: 31 (TODO: Wrong? Useless?)
/// Maximmum `funding_satoshis` value, according to the BOLT #2 specification
let secp_ctx = Secp256k1::new();
let channel_monitor = ChannelMonitor::new(&chan_keys.revocation_base_key, &chan_keys.delayed_payment_base_key,
- &chan_keys.htlc_base_key, BREAKDOWN_TIMEOUT,
+ &chan_keys.htlc_base_key, &chan_keys.payment_base_key, &keys_provider.get_shutdown_pubkey(), BREAKDOWN_TIMEOUT,
keys_provider.get_destination_script(), logger.clone());
Ok(Channel {
let secp_ctx = Secp256k1::new();
let mut channel_monitor = ChannelMonitor::new(&chan_keys.revocation_base_key, &chan_keys.delayed_payment_base_key,
- &chan_keys.htlc_base_key, BREAKDOWN_TIMEOUT,
+ &chan_keys.htlc_base_key, &chan_keys.payment_base_key, &keys_provider.get_shutdown_pubkey(), BREAKDOWN_TIMEOUT,
keys_provider.get_destination_script(), logger.clone());
channel_monitor.set_their_base_keys(&msg.htlc_basepoint, &msg.delayed_payment_basepoint);
+ channel_monitor.provide_their_next_revocation_point(Some((INITIAL_COMMITMENT_NUMBER, msg.first_per_commitment_point)));
channel_monitor.set_their_to_self_delay(msg.to_self_delay);
let mut chan = Channel {
Ok(our_sig)
}
- /// May return an IgnoreError, but should not, and will always return Ok(_) when
- /// debug_assertions are turned on
+ /// Per HTLC, only one get_update_fail_htlc or get_update_fulfill_htlc call may be made.
+ /// In such cases we debug_assert!(false) and return an IgnoreError. Thus, will always return
+ /// Ok(_) if debug assertions are turned on and preconditions are met.
fn get_update_fulfill_htlc(&mut self, htlc_id_arg: u64, payment_preimage_arg: [u8; 32]) -> Result<(Option<msgs::UpdateFulfillHTLC>, Option<ChannelMonitor>), HandleError> {
// Either ChannelFunded got set (which means it wont bet unset) or there is no way any
// caller thought we could have something claimed (cause we wouldn't have accepted in an
&HTLCUpdateAwaitingACK::FailHTLC { htlc_id, .. } => {
if htlc_id_arg == htlc_id {
debug_assert!(false, "Tried to fulfill an HTLC we already had a holding-cell failure on");
- return Err(HandleError{err: "Unable to find a pending HTLC which matched the given HTLC ID", action: Some(msgs::ErrorAction::IgnoreError)});
+ // Return the new channel monitor in a last-ditch effort to hit the
+ // chain and claim the funds
+ return Ok((None, Some(self.channel_monitor.clone())));
}
},
_ => {}
}
}
- /// May return an IgnoreError, but should not, and will always return Ok(_) when
- /// debug_assertions are turned on
+ /// Per HTLC, only one get_update_fail_htlc or get_update_fulfill_htlc call may be made.
+ /// In such cases we debug_assert!(false) and return an IgnoreError. Thus, will always return
+ /// Ok(_) if debug assertions are turned on and preconditions are met.
pub fn get_update_fail_htlc(&mut self, htlc_id_arg: u64, err_packet: msgs::OnionErrorPacket) -> Result<Option<msgs::UpdateFailHTLC>, HandleError> {
if (self.channel_state & (ChannelState::ChannelFunded as u32)) != (ChannelState::ChannelFunded as u32) {
panic!("Was asked to fail an HTLC when channel was not in an operational state");
}
self.channel_monitor.set_their_base_keys(&msg.htlc_basepoint, &msg.delayed_payment_basepoint);
+ self.channel_monitor.provide_their_next_revocation_point(Some((INITIAL_COMMITMENT_NUMBER, msg.first_per_commitment_point)));
self.their_dust_limit_satoshis = msg.dust_limit_satoshis;
self.their_max_htlc_value_in_flight_msat = cmp::min(msg.max_htlc_value_in_flight_msat, self.channel_value_satoshis * 1000);
Ok(())
}
- fn funding_created_signature(&mut self, sig: &Signature) -> Result<(Transaction, Signature), HandleError> {
+ fn funding_created_signature(&mut self, sig: &Signature) -> Result<(Transaction, Transaction, Signature, TxCreationKeys), HandleError> {
let funding_script = self.get_funding_redeemscript();
let local_keys = self.build_local_transaction_keys(self.cur_local_commitment_transaction_number)?;
- let local_initial_commitment_tx = self.build_commitment_transaction(self.cur_local_commitment_transaction_number, &local_keys, true, false, self.feerate_per_kw).0;
+ let mut local_initial_commitment_tx = self.build_commitment_transaction(self.cur_local_commitment_transaction_number, &local_keys, true, false, self.feerate_per_kw).0;
let local_sighash = Message::from_slice(&bip143::SighashComponents::new(&local_initial_commitment_tx).sighash_all(&local_initial_commitment_tx.input[0], &funding_script, self.channel_value_satoshis)[..]).unwrap();
- // They sign the "local" commitment transaction, allowing us to broadcast the tx if we wish.
+ // They sign the "local" commitment transaction...
secp_call!(self.secp_ctx.verify(&local_sighash, &sig, &self.their_funding_pubkey.unwrap()), "Invalid funding_created signature from peer", self.channel_id());
+ // ...and we sign it, allowing us to broadcast the tx if we wish
+ self.sign_commitment_transaction(&mut local_initial_commitment_tx, sig);
+
let remote_keys = self.build_remote_transaction_keys()?;
let remote_initial_commitment_tx = self.build_commitment_transaction(self.cur_remote_commitment_transaction_number, &remote_keys, false, false, self.feerate_per_kw).0;
let remote_sighash = Message::from_slice(&bip143::SighashComponents::new(&remote_initial_commitment_tx).sighash_all(&remote_initial_commitment_tx.input[0], &funding_script, self.channel_value_satoshis)[..]).unwrap();
// We sign the "remote" commitment transaction, allowing them to broadcast the tx if they wish.
- Ok((remote_initial_commitment_tx, self.secp_ctx.sign(&remote_sighash, &self.local_keys.funding_key)))
+ Ok((remote_initial_commitment_tx, local_initial_commitment_tx, self.secp_ctx.sign(&remote_sighash, &self.local_keys.funding_key), local_keys))
}
pub fn funding_created(&mut self, msg: &msgs::FundingCreated) -> Result<(msgs::FundingSigned, ChannelMonitor), HandleError> {
let funding_txo_script = self.get_funding_redeemscript().to_v0_p2wsh();
self.channel_monitor.set_funding_info((funding_txo, funding_txo_script));
- let (remote_initial_commitment_tx, our_signature) = match self.funding_created_signature(&msg.signature) {
+ let (remote_initial_commitment_tx, local_initial_commitment_tx, our_signature, local_keys) = match self.funding_created_signature(&msg.signature) {
Ok(res) => res,
Err(e) => {
self.channel_monitor.unset_funding_info();
// Now that we're past error-generating stuff, update our local state:
self.channel_monitor.provide_latest_remote_commitment_tx_info(&remote_initial_commitment_tx, Vec::new(), self.cur_remote_commitment_transaction_number);
+ self.last_local_commitment_txn = vec![local_initial_commitment_tx.clone()];
+ self.channel_monitor.provide_latest_local_commitment_tx_info(local_initial_commitment_tx, local_keys, self.feerate_per_kw, Vec::new());
self.channel_state = ChannelState::FundingSent as u32;
self.channel_id = funding_txo.to_channel_id();
self.cur_remote_commitment_transaction_number -= 1;
return Err(ChannelError::Close("Peer sent a funding_locked at a strange time"));
}
+ self.channel_monitor.provide_their_next_revocation_point(Some((INITIAL_COMMITMENT_NUMBER - 1 , msg.next_per_commitment_point)));
self.their_prev_commitment_point = self.their_cur_commitment_point;
self.their_cur_commitment_point = Some(msg.next_per_commitment_point);
Ok(())
let local_keys = self.build_local_transaction_keys(self.cur_local_commitment_transaction_number)?;
+ let mut update_fee = false;
let feerate_per_kw = if !self.channel_outbound && self.pending_update_fee.is_some() {
+ update_fee = true;
self.pending_update_fee.unwrap()
} else {
self.feerate_per_kw
let local_sighash = Message::from_slice(&bip143::SighashComponents::new(&local_commitment_tx.0).sighash_all(&local_commitment_tx.0.input[0], &funding_script, self.channel_value_satoshis)[..]).unwrap();
secp_call!(self.secp_ctx.verify(&local_sighash, &msg.signature, &self.their_funding_pubkey.unwrap()), "Invalid commitment tx signature from peer", self.channel_id());
+ //If channel fee was updated by funder confirm funder can afford the new fee rate when applied to the current local commitment transaction
+ if update_fee {
+ let num_htlcs = local_commitment_tx.1.len();
+ let total_fee: u64 = feerate_per_kw as u64 * (COMMITMENT_TX_BASE_WEIGHT + (num_htlcs as u64) * COMMITMENT_TX_WEIGHT_PER_HTLC) / 1000;
+
+ if self.channel_value_satoshis - self.value_to_self_msat / 1000 < total_fee + self.their_channel_reserve_satoshis {
+ return Err(HandleError { err: "Funding remote cannot afford proposed new fee", action: Some(ErrorAction::DisconnectPeer { msg: None }) });
+ }
+ }
+
if msg.htlc_signatures.len() != local_commitment_tx.1.len() {
return Err(HandleError{err: "Got wrong number of HTLC signatures from remote", action: None});
}
let mut htlc_tx = self.build_htlc_transaction(&local_commitment_txid, htlc, true, &local_keys, feerate_per_kw);
let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &local_keys);
let htlc_sighash = Message::from_slice(&bip143::SighashComponents::new(&htlc_tx).sighash_all(&htlc_tx.input[0], &htlc_redeemscript, htlc.amount_msat / 1000)[..]).unwrap();
- secp_call!(self.secp_ctx.verify(&htlc_sighash, &msg.htlc_signatures[idx], &local_keys.b_htlc_key), "Invalid HTLC tx siganture from peer", self.channel_id());
+ secp_call!(self.secp_ctx.verify(&htlc_sighash, &msg.htlc_signatures[idx], &local_keys.b_htlc_key), "Invalid HTLC tx signature from peer", self.channel_id());
let htlc_sig = if htlc.offered {
let htlc_sig = self.sign_htlc_transaction(&mut htlc_tx, &msg.htlc_signatures[idx], &None, htlc, &local_keys)?;
new_local_commitment_txn.push(htlc_tx);
}
}
}
+
if self.channel_state & (ChannelState::MonitorUpdateFailed as u32) == 0 {
// This is a response to our post-monitor-failed unfreeze messages, so we can clear the
// monitor_pending_order requirement as we won't re-send the monitor_pending messages.
return Err(HandleError{err: "Got a revoke commitment secret which didn't correspond to their current pubkey", action: None});
}
}
- self.channel_monitor.provide_secret(self.cur_remote_commitment_transaction_number + 1, msg.per_commitment_secret, Some((self.cur_remote_commitment_transaction_number - 1, msg.next_per_commitment_point)))?;
+ self.channel_monitor.provide_secret(self.cur_remote_commitment_transaction_number + 1, msg.per_commitment_secret)?;
+ self.channel_monitor.provide_their_next_revocation_point(Some((self.cur_remote_commitment_transaction_number - 1, msg.next_per_commitment_point)));
// Update state now that we've passed all the can-fail calls...
// (note that we may still fail to generate the new commitment_signed message, but that's
return Err(ChannelError::Close("Peer sent update_fee when we needed a channel_reestablish"));
}
Channel::check_remote_fee(fee_estimator, msg.feerate_per_kw)?;
-
self.pending_update_fee = Some(msg.feerate_per_kw as u64);
self.channel_update_count += 1;
Ok(())
self.channel_update_count += 1;
return Err(HandleError{err: "funding tx had wrong script/value", action: Some(ErrorAction::DisconnectPeer{msg: None})});
} else {
+ if self.channel_outbound {
+ for input in tx.input.iter() {
+ if input.witness.is_empty() {
+ // We generated a malleable funding transaction, implying we've
+ // just exposed ourselves to funds loss to our counterparty.
+ #[cfg(not(feature = "fuzztarget"))]
+ panic!("Client called ChannelManager::funding_transaction_generated with bogus transaction!");
+ }
+ }
+ }
self.funding_tx_confirmations = 1;
self.short_channel_id = Some(((height as u64) << (5*8)) |
((*index_in_block as u64) << (2*8)) |
(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 RawEncoder::new(WriterWriteAdaptor(writer))) {
+ if let Err(e) = tx.consensus_encode(&mut WriterWriteAdaptor(writer)) {
match e {
- network::serialize::Error::Io(e) => return Err(e),
+ encode::Error::Io(e) => return Err(e),
_ => panic!("last_local_commitment_txn must have been well-formed!"),
}
}
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(&mut RawDecoder::new(reader.by_ref())) {
+ last_local_commitment_txn.push(match Transaction::consensus_decode(reader.by_ref()) {
Ok(tx) => tx,
Err(_) => return Err(DecodeError::InvalidValue),
});
mod tests {
use bitcoin::util::hash::{Sha256dHash, Hash160};
use bitcoin::util::bip143;
- use bitcoin::network::serialize::serialize;
+ use bitcoin::consensus::encode::serialize;
use bitcoin::blockdata::script::{Script, Builder};
use bitcoin::blockdata::transaction::Transaction;
use bitcoin::blockdata::opcodes;
chan.sign_commitment_transaction(&mut unsigned_tx.0, &their_signature);
- assert_eq!(serialize(&unsigned_tx.0).unwrap()[..],
+ assert_eq!(serialize(&unsigned_tx.0)[..],
hex::decode($tx_hex).unwrap()[..]);
};
}
}
chan.sign_htlc_transaction(&mut htlc_tx, &remote_signature, &preimage, &htlc, &keys).unwrap();
- assert_eq!(serialize(&htlc_tx).unwrap()[..],
+ assert_eq!(serialize(&htlc_tx)[..],
hex::decode($tx_hex).unwrap()[..]);
};
}
use bitcoin::blockdata::transaction::Transaction;
use bitcoin::blockdata::constants::genesis_block;
use bitcoin::network::constants::Network;
-use bitcoin::network::serialize::BitcoinHash;
-use bitcoin::util::hash::Sha256dHash;
+use bitcoin::util::hash::{BitcoinHash, Sha256dHash};
use secp256k1::key::{SecretKey,PublicKey};
use secp256k1::{Secp256k1,Message};
use chain::chaininterface;
use chain::transaction::OutPoint;
use chain::chaininterface::{ChainListener, ChainWatchInterface};
- use chain::keysinterface::KeysInterface;
+ use chain::keysinterface::{KeysInterface, SpendableOutputDescriptor};
use chain::keysinterface;
+ use ln::channel::{COMMITMENT_TX_BASE_WEIGHT, COMMITMENT_TX_WEIGHT_PER_HTLC};
use ln::channelmanager::{ChannelManager,ChannelManagerReadArgs,OnionKeys,PaymentFailReason,RAACommitmentOrder};
use ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, CLTV_CLAIM_BUFFER, HTLC_FAIL_TIMEOUT_BLOCKS, ManyChannelMonitor};
use ln::router::{Route, RouteHop, Router};
use util::ser::{Writeable, Writer, ReadableArgs};
use util::config::UserConfig;
- use bitcoin::util::hash::Sha256dHash;
+ use bitcoin::util::hash::{BitcoinHash, Sha256dHash};
+ use bitcoin::util::bip143;
+ use bitcoin::util::address::Address;
+ use bitcoin::util::bip32::{ChildNumber, ExtendedPubKey, ExtendedPrivKey};
use bitcoin::blockdata::block::{Block, BlockHeader};
- use bitcoin::blockdata::transaction::{Transaction, TxOut};
+ use bitcoin::blockdata::transaction::{Transaction, TxOut, TxIn, SigHashType};
+ use bitcoin::blockdata::script::{Builder, Script};
+ use bitcoin::blockdata::opcodes;
use bitcoin::blockdata::constants::genesis_block;
use bitcoin::network::constants::Network;
- use bitcoin::network::serialize::serialize;
- use bitcoin::network::serialize::BitcoinHash;
use hex;
}
}
+ macro_rules! get_feerate {
+ ($node: expr, $channel_id: expr) => {
+ {
+ let chan_lock = $node.node.channel_state.lock().unwrap();
+ let chan = chan_lock.by_id.get(&$channel_id).unwrap();
+ chan.get_feerate()
+ }
+ }
+ }
+
+
fn create_chan_between_nodes_with_value_init(node_a: &Node, node_b: &Node, channel_value: u64, push_msat: u64) -> Transaction {
node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42).unwrap();
node_b.node.handle_open_channel(&node_a.node.get_our_node_id(), &get_event_msg!(node_a, MessageSendEvent::SendOpenChannel, node_b.node.get_our_node_id())).unwrap();
tx = Transaction { version: chan_id as u32, lock_time: 0, input: Vec::new(), output: vec![TxOut {
value: *channel_value_satoshis, script_pubkey: output_script.clone(),
}]};
- funding_output = OutPoint::new(Sha256dHash::from_data(&serialize(&tx).unwrap()[..]), 0);
+ funding_output = OutPoint::new(tx.txid(), 0);
node_a.node.funding_transaction_generated(&temporary_channel_id, funding_output);
let mut added_monitors = node_a.chan_monitor.added_monitors.lock().unwrap();
}
}
- fn close_channel(outbound_node: &Node, inbound_node: &Node, channel_id: &[u8; 32], funding_tx: Transaction, close_inbound_first: bool) -> (msgs::ChannelUpdate, msgs::ChannelUpdate) {
+ fn close_channel(outbound_node: &Node, inbound_node: &Node, channel_id: &[u8; 32], funding_tx: Transaction, close_inbound_first: bool) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, Transaction) {
let (node_a, broadcaster_a, struct_a) = if close_inbound_first { (&inbound_node.node, &inbound_node.tx_broadcaster, inbound_node) } else { (&outbound_node.node, &outbound_node.tx_broadcaster, outbound_node) };
let (node_b, broadcaster_b) = if close_inbound_first { (&outbound_node.node, &outbound_node.tx_broadcaster) } else { (&inbound_node.node, &inbound_node.tx_broadcaster) };
let (tx_a, tx_b);
assert_eq!(tx_a, tx_b);
check_spends!(tx_a, funding_tx);
- (as_update, bs_update)
+ (as_update, bs_update, tx_a)
}
struct SendEvent {
let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
let channel_id = chan.2;
- macro_rules! get_feerate {
- ($node: expr) => {{
- let chan_lock = $node.node.channel_state.lock().unwrap();
- let chan = chan_lock.by_id.get(&channel_id).unwrap();
- chan.get_feerate()
- }}
- }
-
// balancing
send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000);
// (6) RAA is delivered ->
// First nodes[0] generates an update_fee
- nodes[0].node.update_fee(channel_id, get_feerate!(nodes[0]) + 20).unwrap();
+ nodes[0].node.update_fee(channel_id, get_feerate!(nodes[0], channel_id) + 20).unwrap();
check_added_monitors!(nodes[0], 1);
let events_0 = nodes[0].node.get_and_clear_pending_msg_events();
let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
let channel_id = chan.2;
- macro_rules! get_feerate {
- ($node: expr) => {{
- let chan_lock = $node.node.channel_state.lock().unwrap();
- let chan = chan_lock.by_id.get(&channel_id).unwrap();
- chan.get_feerate()
- }}
- }
-
// balancing
send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000);
// First nodes[0] generates an update_fee
- nodes[0].node.update_fee(channel_id, get_feerate!(nodes[0]) + 20).unwrap();
+ nodes[0].node.update_fee(channel_id, get_feerate!(nodes[0], channel_id) + 20).unwrap();
check_added_monitors!(nodes[0], 1);
let events_0 = nodes[0].node.get_and_clear_pending_msg_events();
let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
let channel_id = chan.2;
- macro_rules! get_feerate {
- ($node: expr) => {{
- let chan_lock = $node.node.channel_state.lock().unwrap();
- let chan = chan_lock.by_id.get(&channel_id).unwrap();
- chan.get_feerate()
- }}
- }
-
// A B
// update_fee/commitment_signed ->
// .- send (1) RAA and (2) commitment_signed
// revoke_and_ack ->
// First nodes[0] generates an update_fee
- let initial_feerate = get_feerate!(nodes[0]);
+ let initial_feerate = get_feerate!(nodes[0], channel_id);
nodes[0].node.update_fee(channel_id, initial_feerate + 20).unwrap();
check_added_monitors!(nodes[0], 1);
let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
let channel_id = chan.2;
- macro_rules! get_feerate {
- ($node: expr) => {{
- let chan_lock = $node.node.channel_state.lock().unwrap();
- let chan = chan_lock.by_id.get(&channel_id).unwrap();
- chan.get_feerate()
- }}
- }
-
- let feerate = get_feerate!(nodes[0]);
- nodes[0].node.update_fee(channel_id, feerate+20).unwrap();
+ let feerate = get_feerate!(nodes[0], channel_id);
+ nodes[0].node.update_fee(channel_id, feerate+25).unwrap();
check_added_monitors!(nodes[0], 1);
let events_0 = nodes[0].node.get_and_clear_pending_msg_events();
check_added_monitors!(nodes[1], 1);
}
+ #[test]
+ fn test_update_fee_that_funder_cannot_afford() {
+ let mut nodes = create_network(2);
+ let channel_value = 1888;
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, channel_value, 700000);
+ let channel_id = chan.2;
+
+ let feerate = 260;
+ nodes[0].node.update_fee(channel_id, feerate).unwrap();
+ check_added_monitors!(nodes[0], 1);
+ let update_msg = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
+
+ nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), &update_msg.update_fee.unwrap()).unwrap();
+
+ commitment_signed_dance!(nodes[1], nodes[0], update_msg.commitment_signed, false);
+
+ //Confirm that the new fee based on the last local commitment txn is what we expected based on the feerate of 260 set above.
+ //This value results in a fee that is exactly what the funder can afford (277 sat + 1000 sat channel reserve)
+ {
+ let chan_lock = nodes[1].node.channel_state.lock().unwrap();
+ let chan = chan_lock.by_id.get(&channel_id).unwrap();
+
+ //We made sure neither party's funds are below the dust limit so -2 non-HTLC txns from number of outputs
+ let num_htlcs = chan.last_local_commitment_txn[0].output.len() - 2;
+ let total_fee: u64 = feerate * (COMMITMENT_TX_BASE_WEIGHT + (num_htlcs as u64) * COMMITMENT_TX_WEIGHT_PER_HTLC) / 1000;
+ let mut actual_fee = chan.last_local_commitment_txn[0].output.iter().fold(0, |acc, output| acc + output.value);
+ actual_fee = channel_value - actual_fee;
+ assert_eq!(total_fee, actual_fee);
+ } //drop the mutex
+
+ //Add 2 to the previous fee rate to the final fee increases by 1 (with no HTLCs the fee is essentially
+ //fee_rate*(724/1000) so the increment of 1*0.724 is rounded back down)
+ nodes[0].node.update_fee(channel_id, feerate+2).unwrap();
+ check_added_monitors!(nodes[0], 1);
+
+ let update2_msg = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
+
+ nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), &update2_msg.update_fee.unwrap());
+
+ //While producing the commitment_signed response after handling a received update_fee request the
+ //check to see if the funder, who sent the update_fee request, can afford the new fee (funder_balance >= fee+channel_reserve)
+ //Should produce and error.
+ let err = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &update2_msg.commitment_signed).unwrap_err();
+
+ assert!(match err.err {
+ "Funding remote cannot afford proposed new fee" => true,
+ _ => false,
+ });
+
+ //clear the message we could not handle
+ nodes[1].node.get_and_clear_pending_msg_events();
+ }
+
#[test]
fn test_update_fee_with_fundee_update_add_htlc() {
let mut nodes = create_network(2);
let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
let channel_id = chan.2;
- macro_rules! get_feerate {
- ($node: expr) => {{
- let chan_lock = $node.node.channel_state.lock().unwrap();
- let chan = chan_lock.by_id.get(&channel_id).unwrap();
- chan.get_feerate()
- }}
- }
-
// balancing
send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000);
- let feerate = get_feerate!(nodes[0]);
+ let feerate = get_feerate!(nodes[0], channel_id);
nodes[0].node.update_fee(channel_id, feerate+20).unwrap();
check_added_monitors!(nodes[0], 1);
let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
let channel_id = chan.2;
- macro_rules! get_feerate {
- ($node: expr) => {{
- let chan_lock = $node.node.channel_state.lock().unwrap();
- let chan = chan_lock.by_id.get(&channel_id).unwrap();
- chan.get_feerate()
- }}
- }
-
// A B
// (1) update_fee/commitment_signed ->
// <- (2) revoke_and_ack
// revoke_and_ack ->
// Create and deliver (1)...
- let feerate = get_feerate!(nodes[0]);
+ let feerate = get_feerate!(nodes[0], channel_id);
nodes[0].node.update_fee(channel_id, feerate+20).unwrap();
check_added_monitors!(nodes[0], 1);
check_added_monitors!(nodes[1], 1);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
- assert_eq!(get_feerate!(nodes[0]), feerate + 30);
- assert_eq!(get_feerate!(nodes[1]), feerate + 30);
+ assert_eq!(get_feerate!(nodes[0], channel_id), feerate + 30);
+ assert_eq!(get_feerate!(nodes[1], channel_id), feerate + 30);
close_channel(&nodes[0], &nodes[1], &chan.2, chan.3, true);
}
/// pending_htlc_adds includes both the holding cell and in-flight update_add_htlcs, whereas
/// for claims/fails they are separated out.
- fn reconnect_nodes(node_a: &Node, node_b: &Node, pre_all_htlcs: bool, pending_htlc_adds: (i64, i64), pending_htlc_claims: (usize, usize), pending_cell_htlc_claims: (usize, usize), pending_cell_htlc_fails: (usize, usize), pending_raa: (bool, bool)) {
+ fn reconnect_nodes(node_a: &Node, node_b: &Node, send_funding_locked: (bool, bool), pending_htlc_adds: (i64, i64), pending_htlc_claims: (usize, usize), pending_cell_htlc_claims: (usize, usize), pending_cell_htlc_fails: (usize, usize), pending_raa: (bool, bool)) {
node_a.node.peer_connected(&node_b.node.get_our_node_id());
let reestablish_1 = get_chan_reestablish_msgs!(node_a, node_b);
node_b.node.peer_connected(&node_a.node.get_our_node_id());
(pending_htlc_adds.1 == 0 && pending_htlc_claims.1 == 0 && pending_cell_htlc_claims.1 == 0 && pending_cell_htlc_fails.1 == 0));
for chan_msgs in resp_1.drain(..) {
- if pre_all_htlcs {
+ if send_funding_locked.0 {
node_a.node.handle_funding_locked(&node_b.node.get_our_node_id(), &chan_msgs.0.unwrap()).unwrap();
let announcement_event = node_a.node.get_and_clear_pending_msg_events();
if !announcement_event.is_empty() {
}
for chan_msgs in resp_2.drain(..) {
- if pre_all_htlcs {
+ if send_funding_locked.1 {
node_b.node.handle_funding_locked(&node_a.node.get_our_node_id(), &chan_msgs.0.unwrap()).unwrap();
let announcement_event = node_b.node.get_and_clear_pending_msg_events();
if !announcement_event.is_empty() {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], true, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
let payment_preimage_1 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 1000000).0;
let payment_hash_2 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 1000000).1;
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
let payment_preimage_3 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 1000000).0;
let payment_preimage_4 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 1000000).0;
claim_payment_along_route(&nodes[0], &vec!(&nodes[1], &nodes[2]), true, payment_preimage_3);
fail_payment_along_route(&nodes[0], &[&nodes[1], &nodes[2]], true, payment_hash_5);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (1, 0), (1, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (1, 0), (1, 0), (false, false));
{
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 2);
if messages_delivered < 3 {
// Even if the funding_locked messages get exchanged, as long as nothing further was
// received on either side, both sides will need to resend them.
- reconnect_nodes(&nodes[0], &nodes[1], true, (0, 1), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 1), (0, 0), (0, 0), (0, 0), (false, false));
} else if messages_delivered == 3 {
// nodes[0] still wants its RAA + commitment_signed
- reconnect_nodes(&nodes[0], &nodes[1], false, (-1, 0), (0, 0), (0, 0), (0, 0), (true, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (-1, 0), (0, 0), (0, 0), (0, 0), (true, false));
} else if messages_delivered == 4 {
// nodes[0] still wants its commitment_signed
- reconnect_nodes(&nodes[0], &nodes[1], false, (-1, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (-1, 0), (0, 0), (0, 0), (0, 0), (false, false));
} else if messages_delivered == 5 {
// nodes[1] still wants its final RAA
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, true));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, true));
} else if messages_delivered == 6 {
// Everything was delivered...
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
}
let events_1 = nodes[1].node.get_and_clear_pending_events();
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
nodes[1].node.channel_state.lock().unwrap().next_forward = Instant::now();
nodes[1].node.process_pending_htlc_forwards();
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
if messages_delivered < 2 {
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (1, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (1, 0), (0, 0), (0, 0), (false, false));
//TODO: Deduplicate PaymentSent events, then enable this if:
//if messages_delivered < 1 {
let events_4 = nodes[0].node.get_and_clear_pending_events();
//}
} else if messages_delivered == 2 {
// nodes[0] still wants its RAA + commitment_signed
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, -1), (0, 0), (0, 0), (0, 0), (false, true));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, -1), (0, 0), (0, 0), (0, 0), (false, true));
} else if messages_delivered == 3 {
// nodes[0] still wants its commitment_signed
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, -1), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, -1), (0, 0), (0, 0), (0, 0), (false, false));
} else if messages_delivered == 4 {
// nodes[1] still wants its final RAA
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (true, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (true, false));
} else if messages_delivered == 5 {
// Everything was delivered...
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
}
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
// Channel should still work fine...
let payment_preimage_2 = send_along_route(&nodes[0], route, &[&nodes[1]], 1000000).0;
_ => panic!("Unexpected event"),
}
+ reconnect_nodes(&nodes[0], &nodes[1], (false, true), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+
+ nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
+ nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
+
confirm_transaction(&nodes[1].chain_monitor, &tx, tx.version);
let events_2 = nodes[1].node.get_and_clear_pending_msg_events();
- assert_eq!(events_2.len(), 1);
+ assert_eq!(events_2.len(), 2);
match events_2[0] {
MessageSendEvent::SendFundingLocked { ref node_id, msg: _ } => {
assert_eq!(*node_id, nodes[0].node.get_our_node_id());
},
_ => panic!("Unexpected event"),
}
+ match events_2[1] {
+ MessageSendEvent::SendAnnouncementSignatures { ref node_id, msg: _ } => {
+ assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+ },
+ _ => panic!("Unexpected event"),
+ }
- reconnect_nodes(&nodes[0], &nodes[1], true, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
- nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
- nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], true, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
// TODO: We shouldn't need to manually pass list_usable_chanels here once we support
// rebroadcasting announcement_signatures upon reconnect.
if disconnect {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], true, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
}
*nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
if disconnect {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
}
// ...and make sure we can force-close a TemporaryFailure channel with a PermanentFailure
nodes[0].node = Arc::new(nodes_0_deserialized);
check_added_monitors!(nodes[0], 1);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
fail_payment(&nodes[0], &[&nodes[1]], our_payment_hash);
claim_payment(&nodes[0], &[&nodes[1]], our_payment_preimage);
nodes[0].node = Arc::new(nodes_0_deserialized);
// nodes[1] and nodes[2] have no lost state with nodes[0]...
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
- reconnect_nodes(&nodes[0], &nodes[2], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[2], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
//... and we can even still claim the payment!
claim_payment(&nodes[2], &[&nodes[0], &nodes[1]], our_payment_preimage);
assert_eq!(msg.channel_id, channel_id);
} else { panic!("Unexpected result"); }
}
+
+ macro_rules! check_dynamic_output_p2wsh {
+ ($node: expr) => {
+ {
+ let events = $node.chan_monitor.simple_monitor.get_and_clear_pending_events();
+ let mut txn = Vec::new();
+ for event in events {
+ match event {
+ Event::SpendableOutputs { ref outputs } => {
+ for outp in outputs {
+ match *outp {
+ SpendableOutputDescriptor::DynamicOutputP2WSH { ref outpoint, ref key, ref witness_script, ref to_self_delay, ref output } => {
+ let input = TxIn {
+ previous_output: outpoint.clone(),
+ script_sig: Script::new(),
+ sequence: *to_self_delay as u32,
+ witness: Vec::new(),
+ };
+ let outp = TxOut {
+ script_pubkey: Builder::new().push_opcode(opcodes::All::OP_RETURN).into_script(),
+ value: output.value,
+ };
+ let mut spend_tx = Transaction {
+ version: 2,
+ lock_time: 0,
+ input: vec![input],
+ output: vec![outp],
+ };
+ let secp_ctx = Secp256k1::new();
+ let sighash = Message::from_slice(&bip143::SighashComponents::new(&spend_tx).sighash_all(&spend_tx.input[0], witness_script, output.value)[..]).unwrap();
+ let local_delaysig = secp_ctx.sign(&sighash, key);
+ spend_tx.input[0].witness.push(local_delaysig.serialize_der(&secp_ctx).to_vec());
+ spend_tx.input[0].witness[0].push(SigHashType::All as u8);
+ spend_tx.input[0].witness.push(vec!(0));
+ spend_tx.input[0].witness.push(witness_script.clone().into_bytes());
+ txn.push(spend_tx);
+ },
+ _ => panic!("Unexpected event"),
+ }
+ }
+ },
+ _ => panic!("Unexpected event"),
+ };
+ }
+ txn
+ }
+ }
+ }
+
+ macro_rules! check_dynamic_output_p2wpkh {
+ ($node: expr) => {
+ {
+ let events = $node.chan_monitor.simple_monitor.get_and_clear_pending_events();
+ let mut txn = Vec::new();
+ for event in events {
+ match event {
+ Event::SpendableOutputs { ref outputs } => {
+ for outp in outputs {
+ match *outp {
+ SpendableOutputDescriptor::DynamicOutputP2WPKH { ref outpoint, ref key, ref output } => {
+ let input = TxIn {
+ previous_output: outpoint.clone(),
+ script_sig: Script::new(),
+ sequence: 0,
+ witness: Vec::new(),
+ };
+ let outp = TxOut {
+ script_pubkey: Builder::new().push_opcode(opcodes::All::OP_RETURN).into_script(),
+ value: output.value,
+ };
+ let mut spend_tx = Transaction {
+ version: 2,
+ lock_time: 0,
+ input: vec![input],
+ output: vec![outp],
+ };
+ let secp_ctx = Secp256k1::new();
+ let remotepubkey = PublicKey::from_secret_key(&secp_ctx, &key);
+ let witness_script = Address::p2pkh(&remotepubkey, Network::Testnet).script_pubkey();
+ let sighash = Message::from_slice(&bip143::SighashComponents::new(&spend_tx).sighash_all(&spend_tx.input[0], &witness_script, output.value)[..]).unwrap();
+ let remotesig = secp_ctx.sign(&sighash, key);
+ spend_tx.input[0].witness.push(remotesig.serialize_der(&secp_ctx).to_vec());
+ spend_tx.input[0].witness[0].push(SigHashType::All as u8);
+ spend_tx.input[0].witness.push(remotepubkey.serialize().to_vec());
+ txn.push(spend_tx);
+ },
+ _ => panic!("Unexpected event"),
+ }
+ }
+ },
+ _ => panic!("Unexpected event"),
+ };
+ }
+ txn
+ }
+ }
+ }
+
+ macro_rules! check_static_output {
+ ($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 nodes = create_network(2);
+
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 99000000);
+ nodes[1].node.force_close_channel(&chan.2);
+ 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();
+ assert_eq!(node_txn.len(), 1);
+ check_spends!(node_txn[0], chan.3.clone());
+ assert_eq!(node_txn[0].output.len(), 2); // We can't force trimming of to_remote output as channel_reserve_satoshis block us to do so at channel opening
+
+ 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]);
+ 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
+ // 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, 99000000);
+ nodes[0].node.force_close_channel(&chan.2);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 1);
+ check_spends!(node_txn[0], chan.3.clone());
+ assert_eq!(node_txn[0].output.len(), 2); // We can't force trimming of to_remote output as channel_reserve_satoshis block us to do so at channel opening
+
+ 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 events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ let spend_txn = check_dynamic_output_p2wpkh!(nodes[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_static_spendable_outputs_preimage_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
+
+ let commitment_tx = nodes[0].node.channel_state.lock().unwrap().by_id.get(&chan_1.2).unwrap().last_local_commitment_txn.clone();
+ assert_eq!(commitment_tx[0].input.len(), 1);
+ assert_eq!(commitment_tx[0].input[0].previous_output.txid, chan_1.3.txid());
+
+ // Settle A's commitment tx on B's chain
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ assert!(nodes[1].node.claim_funds(payment_preimage));
+ check_added_monitors!(nodes[1], 1);
+ nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![commitment_tx[0].clone()] }, 1);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::UpdateHTLCs { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ match events[1] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexepected event"),
+ }
+
+ // Check B's monitor was able to send back output descriptor event for preimage tx on A's commitment tx
+ let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); // ChannelManager : 1 (local commitment tx), ChannelMonitor: 2 (1 preimage tx) * 2 (block-rescan)
+ check_spends!(node_txn[0], commitment_tx[0].clone());
+ assert_eq!(node_txn[0], node_txn[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());
+ }
+
+ #[test]
+ fn test_static_spendable_outputs_justice_tx_revoked_commitment_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ 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.iter().next().unwrap().1.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_1.3.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 mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 3);
+ assert_eq!(node_txn.pop().unwrap(), node_txn[0]);
+ 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());
+ }
+
+ #[test]
+ fn test_static_spendable_outputs_justice_tx_revoked_htlc_timeout_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ 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_1.2).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_1.3.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 };
+ // A will generate HTLC-Timeout from revoked commitment tx
+ nodes[0].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ let revoked_htlc_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(revoked_htlc_txn.len(), 2);
+ assert_eq!(revoked_htlc_txn[0].input.len(), 1);
+ assert_eq!(revoked_htlc_txn[0].input[0].witness.last().unwrap().len(), 133);
+ check_spends!(revoked_htlc_txn[0], revoked_local_txn[0].clone());
+
+ // B will generate justice tx from A's revoked commitment/HTLC tx
+ nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_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();
+ assert_eq!(node_txn.len(), 4);
+ 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());
+ }
+
+ #[test]
+ fn test_static_spendable_outputs_justice_tx_revoked_htlc_success_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
+ let revoked_local_txn = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan_1.2).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_1.3.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 };
+ // B will generate HTLC-Success from revoked commitment tx
+ 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 revoked_htlc_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+
+ assert_eq!(revoked_htlc_txn.len(), 2);
+ assert_eq!(revoked_htlc_txn[0].input.len(), 1);
+ assert_eq!(revoked_htlc_txn[0].input[0].witness.last().unwrap().len(), 138);
+ check_spends!(revoked_htlc_txn[0], revoked_local_txn[0].clone());
+
+ // A will generate justice tx from B's revoked commitment/HTLC tx
+ nodes[0].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[0].clone()] }, 1);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+
+ let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 4);
+ 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());
+ }
+
+ #[test]
+ fn test_dynamic_spendable_outputs_local_htlc_success_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 9000000).0;
+ let local_txn = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan_1.2).unwrap().last_local_commitment_txn.clone();
+ assert_eq!(local_txn[0].input.len(), 1);
+ check_spends!(local_txn[0], chan_1.3.clone());
+
+ // Give B knowledge of preimage to be able to generate a local HTLC-Success Tx
+ nodes[1].node.claim_funds(payment_preimage);
+ check_added_monitors!(nodes[1], 1);
+ 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![local_txn[0].clone()] }, 1);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::UpdateHTLCs { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ match events[1] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexepected event"),
+ }
+ let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn[0].input.len(), 1);
+ assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), 138);
+ 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]);
+ assert_eq!(spend_txn.len(), 1);
+ check_spends!(spend_txn[0], node_txn[0].clone());
+ }
+
+ #[test]
+ fn test_dynamic_spendable_outputs_local_htlc_timeout_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ route_payment(&nodes[0], &vec!(&nodes[1])[..], 9000000).0;
+ let local_txn = nodes[0].node.channel_state.lock().unwrap().by_id.get(&chan_1.2).unwrap().last_local_commitment_txn.clone();
+ assert_eq!(local_txn[0].input.len(), 1);
+ check_spends!(local_txn[0], chan_1.3.clone());
+
+ // Timeout HTLC on A's chain and so it can generate a HTLC-Timeout tx
+ 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![local_txn[0].clone()] }, 200);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexepected event"),
+ }
+ let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn[0].input.len(), 1);
+ assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), 133);
+ 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]);
+ assert_eq!(spend_txn.len(), 4);
+ assert_eq!(spend_txn[0], spend_txn[2]);
+ assert_eq!(spend_txn[1], spend_txn[3]);
+ check_spends!(spend_txn[0], local_txn[0].clone());
+ check_spends!(spend_txn[1], node_txn[0].clone());
+ }
+
+ #[test]
+ fn test_static_output_closing_tx() {
+ let nodes = create_network(2);
+
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000);
+ let closing_tx = close_channel(&nodes[0], &nodes[1], &chan.2, chan.3, true).2;
+
+ 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());
+
+ 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);
+ }
}
projects / rust-lightning / commitdiff