X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fln%2Fchannelmanager.rs;h=68cfed8fd0d422cce1f17550bdefde7d129dbae1;hb=4fbe0c90b8d535e407bd8a3021a80ab0bf0dc06e;hp=d2854ca741145eaeaefc11ab673cbe53c71d3f2c;hpb=69eb59b24d502f3df6f4dd3990aad99cc727385c;p=rust-lightning diff --git a/src/ln/channelmanager.rs b/src/ln/channelmanager.rs index d2854ca7..68cfed8f 100644 --- a/src/ln/channelmanager.rs +++ b/src/ln/channelmanager.rs @@ -32,29 +32,57 @@ use std::collections::hash_map; use std::{ptr, mem}; use std::time::{Instant,Duration}; -/// Stores the info we will need to send when we want to forward an HTLC onwards -pub struct PendingForwardHTLCInfo { - onion_packet: Option, - payment_hash: [u8; 32], - short_channel_id: u64, - prev_short_channel_id: u64, - amt_to_forward: u64, - outgoing_cltv_value: u32, -} +mod channel_held_info { + use ln::msgs; -#[cfg(feature = "fuzztarget")] -impl PendingForwardHTLCInfo { - pub fn dummy() -> Self { - Self { - onion_packet: None, - payment_hash: [0; 32], - short_channel_id: 0, - prev_short_channel_id: 0, - amt_to_forward: 0, - outgoing_cltv_value: 0, + /// Stores the info we will need to send when we want to forward an HTLC onwards + pub struct PendingForwardHTLCInfo { + pub(super) onion_packet: Option, + pub(super) payment_hash: [u8; 32], + pub(super) short_channel_id: u64, + pub(super) prev_short_channel_id: u64, + pub(super) amt_to_forward: u64, + pub(super) outgoing_cltv_value: u32, + } + + #[cfg(feature = "fuzztarget")] + impl PendingForwardHTLCInfo { + pub fn dummy() -> Self { + Self { + onion_packet: None, + payment_hash: [0; 32], + short_channel_id: 0, + prev_short_channel_id: 0, + amt_to_forward: 0, + outgoing_cltv_value: 0, + } + } + } + + #[derive(Clone)] // See Channel::revoke_and_ack for why, tl;dr: Rust bug + pub enum HTLCFailReason { + ErrorPacket { + err: msgs::OnionErrorPacket, + }, + Reason { + failure_code: u16, + data: Vec, + } + } + + #[cfg(feature = "fuzztarget")] + impl HTLCFailReason { + pub fn dummy() -> Self { + HTLCFailReason::Reason { + failure_code: 0, data: Vec::new(), + } } } } +#[cfg(feature = "fuzztarget")] +pub use self::channel_held_info::*; +#[cfg(not(feature = "fuzztarget"))] +pub(crate) use self::channel_held_info::*; enum PendingOutboundHTLC { IntermediaryHopData { @@ -72,16 +100,6 @@ enum PendingOutboundHTLC { } } -enum HTLCFailReason<'a> { - ErrorPacket { - err: &'a msgs::OnionErrorPacket, - }, - Reason { - failure_code: u16, - data: &'a[u8], - } -} - /// We hold back HTLCs we intend to relay for a random interval in the range (this, 5*this). This /// provides some limited amount of privacy. Ideally this would range from somewhere like 1 second /// to 30 seconds, but people expect lightning to be, you know, kinda fast, sadly. We could @@ -257,7 +275,7 @@ impl ChannelManager { }; for payment_hash in res.1 { // unknown_next_peer...I dunno who that is anymore.... - self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), &payment_hash, HTLCFailReason::Reason { failure_code: 0x4000 | 10, data: &[0; 0] }); + self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), &payment_hash, HTLCFailReason::Reason { failure_code: 0x4000 | 10, data: Vec::new() }); } Ok(res.0) } @@ -289,6 +307,7 @@ impl ChannelManager { res } + #[inline] fn gen_ammag_from_shared_secret(shared_secret: &SharedSecret) -> [u8; 32] { let mut hmac = Hmac::new(Sha256::new(), &[0x61, 0x6d, 0x6d, 0x61, 0x67]); // ammag hmac.input(&shared_secret[..]); @@ -487,6 +506,7 @@ impl ChannelManager { packet } + #[inline] fn build_first_hop_failure_packet(shared_secret: &SharedSecret, failure_type: u16, failure_data: &[u8]) -> msgs::OnionErrorPacket { let failure_packet = ChannelManager::build_failure_packet(shared_secret, failure_type, failure_data); ChannelManager::encrypt_failure_packet(shared_secret, &failure_packet.encode()[..]) @@ -706,8 +726,8 @@ impl ChannelManager { for failed_forward in failed_forwards.drain(..) { match failed_forward.2 { - None => self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), &failed_forward.0, HTLCFailReason::Reason { failure_code: failed_forward.1, data: &[0;0] }), - Some(chan_update) => self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), &failed_forward.0, HTLCFailReason::Reason { failure_code: failed_forward.1, data: &chan_update.encode()[..] }), + None => self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), &failed_forward.0, HTLCFailReason::Reason { failure_code: failed_forward.1, data: Vec::new() }), + Some(chan_update) => self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), &failed_forward.0, HTLCFailReason::Reason { failure_code: failed_forward.1, data: chan_update.encode() }), }; } @@ -722,7 +742,7 @@ impl ChannelManager { /// Indicates that the preimage for payment_hash is unknown after a PaymentReceived event. pub fn fail_htlc_backwards(&self, payment_hash: &[u8; 32]) -> bool { - self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), payment_hash, HTLCFailReason::Reason { failure_code: 0x4000 | 15, data: &[0;0] }) + self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), payment_hash, HTLCFailReason::Reason { failure_code: 0x4000 | 15, data: Vec::new() }) } fn fail_htlc_backwards_internal(&self, mut channel_state: MutexGuard, payment_hash: &[u8; 32], onion_error: HTLCFailReason) -> bool { @@ -754,7 +774,7 @@ impl ChannelManager { PendingOutboundHTLC::IntermediaryHopData { source_short_channel_id, incoming_packet_shared_secret } => { let err_packet = match onion_error { HTLCFailReason::Reason { failure_code, data } => { - let packet = ChannelManager::build_failure_packet(&incoming_packet_shared_secret, failure_code, data).encode(); + let packet = ChannelManager::build_failure_packet(&incoming_packet_shared_secret, failure_code, &data[..]).encode(); ChannelManager::encrypt_failure_packet(&incoming_packet_shared_secret, &packet) }, HTLCFailReason::ErrorPacket { err } => { @@ -762,14 +782,14 @@ impl ChannelManager { } }; - let (node_id, fail_msg) = { + let (node_id, fail_msgs) = { let chan_id = match channel_state.short_to_id.get(&source_short_channel_id) { Some(chan_id) => chan_id.clone(), None => return false }; let chan = channel_state.by_id.get_mut(&chan_id).unwrap(); - match chan.get_update_fail_htlc(payment_hash, err_packet) { + match chan.get_update_fail_htlc_and_commit(payment_hash, err_packet) { Ok(msg) => (chan.get_their_node_id(), msg), Err(_e) => { //TODO: Do something with e? @@ -778,12 +798,18 @@ impl ChannelManager { } }; - mem::drop(channel_state); - let mut pending_events = self.pending_events.lock().unwrap(); - pending_events.push(events::Event::SendFailHTLC { - node_id, - msg: fail_msg - }); + match fail_msgs { + Some(msgs) => { + mem::drop(channel_state); + let mut pending_events = self.pending_events.lock().unwrap(); + pending_events.push(events::Event::SendFailHTLC { + node_id, + msg: msgs.0, + commitment_msg: msgs.1, + }); + }, + None => {}, + } true }, @@ -793,6 +819,7 @@ impl ChannelManager { /// Provides a payment preimage in response to a PaymentReceived event, returning true and /// generating message events for the net layer to claim the payment, if possible. Thus, you /// should probably kick the net layer to go send messages if this returns true! + /// May panic if called except in response to a PaymentReceived event. pub fn claim_funds(&self, payment_preimage: [u8; 32]) -> bool { self.claim_funds_internal(payment_preimage, true) } @@ -838,15 +865,15 @@ impl ChannelManager { false }, PendingOutboundHTLC::IntermediaryHopData { source_short_channel_id, .. } => { - let (node_id, fulfill_msg) = { + let (node_id, fulfill_msgs, monitor) = { let chan_id = match channel_state.short_to_id.get(&source_short_channel_id) { Some(chan_id) => chan_id.clone(), None => return false }; let chan = channel_state.by_id.get_mut(&chan_id).unwrap(); - match chan.get_update_fulfill_htlc(payment_preimage) { - Ok(msg) => (chan.get_their_node_id(), msg), + match chan.get_update_fulfill_htlc_and_commit(payment_preimage) { + Ok(msg) => (chan.get_their_node_id(), msg, if from_user { Some(chan.channel_monitor()) } else { None }), Err(_e) => { //TODO: Do something with e? return false; @@ -855,13 +882,26 @@ impl ChannelManager { }; mem::drop(channel_state); - let mut pending_events = self.pending_events.lock().unwrap(); - pending_events.push(events::Event::SendFulfillHTLC { - node_id: node_id, - msg: fulfill_msg - }); + match fulfill_msgs { + Some(msgs) => { + let mut pending_events = self.pending_events.lock().unwrap(); + pending_events.push(events::Event::SendFulfillHTLC { + node_id: node_id, + msg: msgs.0, + commitment_msg: msgs.1, + }); + }, + None => {}, + } - true + //TODO: It may not be possible to handle add_update_monitor fails gracefully, maybe + //it should return no Err? Sadly, panic!()s instead doesn't help much :( + if from_user { + match self.monitor.add_update_monitor(monitor.as_ref().unwrap().get_funding_txo().unwrap(), monitor.unwrap()) { + Ok(()) => true, + Err(_) => true, + } + } else { true } }, } } @@ -1057,7 +1097,7 @@ impl ChannelMessageHandler for ChannelManager { }; for payment_hash in res.2 { // unknown_next_peer...I dunno who that is anymore.... - self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), &payment_hash, HTLCFailReason::Reason { failure_code: 0x4000 | 10, data: &[0; 0] }); + self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), &payment_hash, HTLCFailReason::Reason { failure_code: 0x4000 | 10, data: Vec::new() }); } Ok((res.0, res.1)) } @@ -1319,7 +1359,12 @@ impl ChannelMessageHandler for ChannelManager { } fn handle_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) -> Result<(), HandleError> { - { + //TODO: Delay the claimed_funds relaying just like we do outbound relay! + // Claim funds first, cause we don't really care if the channel we received the message on + // is broken, we may have enough info to get our own money! + self.claim_funds_internal(msg.payment_preimage.clone(), false); + + let monitor = { let mut channel_state = self.channel_state.lock().unwrap(); match channel_state.by_id.get_mut(&msg.channel_id) { Some(chan) => { @@ -1327,51 +1372,45 @@ impl ChannelMessageHandler for ChannelManager { return Err(HandleError{err: "Got a message for a channel from the wrong node!", msg: None}) } chan.update_fulfill_htlc(&msg)?; + chan.channel_monitor() }, None => return Err(HandleError{err: "Failed to find corresponding channel", msg: None}) } - } - //TODO: Delay the claimed_funds relaying just like we do outbound relay! - self.claim_funds_internal(msg.payment_preimage.clone(), false); + }; + self.monitor.add_update_monitor(monitor.get_funding_txo().unwrap(), monitor)?; Ok(()) } fn handle_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailHTLC) -> Result<(), HandleError> { let mut channel_state = self.channel_state.lock().unwrap(); - let payment_hash = match channel_state.by_id.get_mut(&msg.channel_id) { + match channel_state.by_id.get_mut(&msg.channel_id) { Some(chan) => { if chan.get_their_node_id() != *their_node_id { return Err(HandleError{err: "Got a message for a channel from the wrong node!", msg: None}) } - chan.update_fail_htlc(&msg)? + chan.update_fail_htlc(&msg, HTLCFailReason::ErrorPacket { err: msg.reason.clone() }) }, None => return Err(HandleError{err: "Failed to find corresponding channel", msg: None}) - }; - self.fail_htlc_backwards_internal(channel_state, &payment_hash, HTLCFailReason::ErrorPacket { err: &msg.reason }); - Ok(()) + } } fn handle_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), HandleError> { let mut channel_state = self.channel_state.lock().unwrap(); - let payment_hash = match channel_state.by_id.get_mut(&msg.channel_id) { + match channel_state.by_id.get_mut(&msg.channel_id) { Some(chan) => { if chan.get_their_node_id() != *their_node_id { return Err(HandleError{err: "Got a message for a channel from the wrong node!", msg: None}) } - chan.update_fail_malformed_htlc(&msg)? + chan.update_fail_malformed_htlc(&msg, HTLCFailReason::Reason { failure_code: msg.failure_code, data: Vec::new() }) }, None => return Err(HandleError{err: "Failed to find corresponding channel", msg: None}) - }; - self.fail_htlc_backwards_internal(channel_state, &payment_hash, HTLCFailReason::Reason { failure_code: msg.failure_code, data: &[0;0] }); - Ok(()) + } } - fn handle_commitment_signed(&self, their_node_id: &PublicKey, msg: &msgs::CommitmentSigned) -> Result { - let mut forward_event = None; + fn handle_commitment_signed(&self, their_node_id: &PublicKey, msg: &msgs::CommitmentSigned) -> Result<(msgs::RevokeAndACK, Option), HandleError> { let (res, monitor) = { let mut channel_state = self.channel_state.lock().unwrap(); - - let ((res, mut forwarding_infos), monitor) = match channel_state.by_id.get_mut(&msg.channel_id) { + match channel_state.by_id.get_mut(&msg.channel_id) { Some(chan) => { if chan.get_their_node_id() != *their_node_id { return Err(HandleError{err: "Got a message for a channel from the wrong node!", msg: None}) @@ -1379,13 +1418,40 @@ impl ChannelMessageHandler for ChannelManager { (chan.commitment_signed(&msg)?, chan.channel_monitor()) }, None => return Err(HandleError{err: "Failed to find corresponding channel", msg: None}) - }; + } + }; + //TODO: Only if we store HTLC sigs + self.monitor.add_update_monitor(monitor.get_funding_txo().unwrap(), monitor)?; + + Ok(res) + } + fn handle_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &msgs::RevokeAndACK) -> Result, HandleError> { + let ((res, mut pending_forwards, mut pending_failures), monitor) = { + 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 { + return Err(HandleError{err: "Got a message for a channel from the wrong node!", msg: None}) + } + (chan.revoke_and_ack(&msg)?, chan.channel_monitor()) + }, + None => return Err(HandleError{err: "Failed to find corresponding channel", msg: None}) + } + }; + self.monitor.add_update_monitor(monitor.get_funding_txo().unwrap(), monitor)?; + for failure in pending_failures.drain(..) { + self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), &failure.0, failure.1); + } + + let mut forward_event = None; + if !pending_forwards.is_empty() { + let mut channel_state = self.channel_state.lock().unwrap(); if channel_state.forward_htlcs.is_empty() { forward_event = Some(Instant::now() + Duration::from_millis(((rng::rand_f32() * 4.0 + 1.0) * MIN_HTLC_RELAY_HOLDING_CELL_MILLIS as f32) as u64)); channel_state.next_forward = forward_event.unwrap(); } - for forward_info in forwarding_infos.drain(..) { + for forward_info in pending_forwards.drain(..) { match channel_state.forward_htlcs.entry(forward_info.short_channel_id) { hash_map::Entry::Occupied(mut entry) => { entry.get_mut().push(forward_info); @@ -1395,12 +1461,7 @@ impl ChannelMessageHandler for ChannelManager { } } } - - (res, monitor) - }; - //TODO: Only if we store HTLC sigs - self.monitor.add_update_monitor(monitor.get_funding_txo().unwrap(), monitor)?; - + } match forward_event { Some(time) => { let mut pending_events = self.pending_events.lock().unwrap(); @@ -1414,23 +1475,6 @@ impl ChannelMessageHandler for ChannelManager { Ok(res) } - fn handle_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &msgs::RevokeAndACK) -> Result, msgs::CommitmentSigned)>, HandleError> { - let (res, monitor) = { - 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 { - return Err(HandleError{err: "Got a message for a channel from the wrong node!", msg: None}) - } - (chan.revoke_and_ack(&msg)?, chan.channel_monitor()) - }, - None => return Err(HandleError{err: "Failed to find corresponding channel", msg: None}) - } - }; - self.monitor.add_update_monitor(monitor.get_funding_txo().unwrap(), monitor)?; - Ok(res) - } - fn handle_update_fee(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFee) -> Result<(), HandleError> { let mut channel_state = self.channel_state.lock().unwrap(); match channel_state.by_id.get_mut(&msg.channel_id) { @@ -1541,8 +1585,9 @@ mod tests { use rand::{thread_rng,Rng}; - use std::sync::{Arc, Mutex}; + use std::collections::HashMap; use std::default::Default; + use std::sync::{Arc, Mutex}; use std::time::Instant; fn build_test_onion_keys() -> Vec { @@ -1695,27 +1740,36 @@ mod tests { assert_eq!(onion_packet_5.data, hex_bytes("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").unwrap()); } - static mut CHAN_COUNT: u16 = 0; - fn confirm_transaction(chain: &chaininterface::ChainWatchInterfaceUtil, tx: &Transaction) { + fn confirm_transaction(chain: &chaininterface::ChainWatchInterfaceUtil, tx: &Transaction, chan_id: u32) { let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; - let chan_id = unsafe { CHAN_COUNT }; - chain.block_connected_checked(&header, 1, &[tx; 1], &[chan_id as u32; 1]); + chain.block_connected_checked(&header, 1, &[tx; 1], &[chan_id; 1]); for i in 2..100 { header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }; chain.block_connected_checked(&header, i, &[tx; 0], &[0; 0]); } } - fn create_chan_between_nodes(node_a: &ChannelManager, chain_a: &chaininterface::ChainWatchInterfaceUtil, node_b: &ChannelManager, chain_b: &chaininterface::ChainWatchInterfaceUtil) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, Uint256) { - let open_chan = node_a.create_channel(node_b.get_our_node_id(), 100000, 42).unwrap(); - let accept_chan = node_b.handle_open_channel(&node_a.get_our_node_id(), &open_chan).unwrap(); - node_a.handle_accept_channel(&node_b.get_our_node_id(), &accept_chan).unwrap(); + struct Node { + feeest: Arc, + chain_monitor: Arc, + tx_broadcaster: Arc, + chan_monitor: Arc, + node_id: SecretKey, + node: Arc, + router: Router, + } + + static mut CHAN_COUNT: u32 = 0; + fn create_chan_between_nodes(node_a: &Node, node_b: &Node) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, Uint256, Transaction) { + let open_chan = node_a.node.create_channel(node_b.node.get_our_node_id(), 100000, 42).unwrap(); + let accept_chan = node_b.node.handle_open_channel(&node_a.node.get_our_node_id(), &open_chan).unwrap(); + node_a.node.handle_accept_channel(&node_b.node.get_our_node_id(), &accept_chan).unwrap(); let chan_id = unsafe { CHAN_COUNT }; let tx; let funding_output; - let events_1 = node_a.get_and_clear_pending_events(); + let events_1 = node_a.node.get_and_clear_pending_events(); assert_eq!(events_1.len(), 1); match events_1[0] { Event::FundingGenerationReady { ref temporary_channel_id, ref channel_value_satoshis, ref output_script, user_channel_id } => { @@ -1727,26 +1781,33 @@ mod tests { }]}; funding_output = (Sha256dHash::from_data(&serialize(&tx).unwrap()[..]), 0); - node_a.funding_transaction_generated(&temporary_channel_id, funding_output.clone()); - //TODO: Check that we got added to chan_monitor_a! + node_a.node.funding_transaction_generated(&temporary_channel_id, funding_output.clone()); + let mut added_monitors = node_a.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 1); + assert_eq!(added_monitors[0].0, funding_output); + added_monitors.clear(); }, _ => panic!("Unexpected event"), } - let events_2 = node_a.get_and_clear_pending_events(); + let events_2 = node_a.node.get_and_clear_pending_events(); assert_eq!(events_2.len(), 1); let funding_signed = match events_2[0] { Event::SendFundingCreated { ref node_id, ref msg } => { - assert_eq!(*node_id, node_b.get_our_node_id()); - node_b.handle_funding_created(&node_a.get_our_node_id(), msg).unwrap() - //TODO: Check that we got added to chan_monitor_b! + assert_eq!(*node_id, node_b.node.get_our_node_id()); + let res = node_b.node.handle_funding_created(&node_a.node.get_our_node_id(), msg).unwrap(); + let mut added_monitors = node_b.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 1); + assert_eq!(added_monitors[0].0, funding_output); + added_monitors.clear(); + res }, _ => panic!("Unexpected event"), }; - node_a.handle_funding_signed(&node_b.get_our_node_id(), &funding_signed).unwrap(); + node_a.node.handle_funding_signed(&node_b.node.get_our_node_id(), &funding_signed).unwrap(); - let events_3 = node_a.get_and_clear_pending_events(); + let events_3 = node_a.node.get_and_clear_pending_events(); assert_eq!(events_3.len(), 1); match events_3[0] { Event::FundingBroadcastSafe { ref funding_txo, user_channel_id } => { @@ -1756,35 +1817,35 @@ mod tests { _ => panic!("Unexpected event"), }; - confirm_transaction(&chain_a, &tx); - let events_4 = node_a.get_and_clear_pending_events(); + confirm_transaction(&node_a.chain_monitor, &tx, chan_id); + let events_4 = node_a.node.get_and_clear_pending_events(); assert_eq!(events_4.len(), 1); match events_4[0] { Event::SendFundingLocked { ref node_id, ref msg, ref announcement_sigs } => { - assert_eq!(*node_id, node_b.get_our_node_id()); + assert_eq!(*node_id, node_b.node.get_our_node_id()); assert!(announcement_sigs.is_none()); - node_b.handle_funding_locked(&node_a.get_our_node_id(), msg).unwrap() + node_b.node.handle_funding_locked(&node_a.node.get_our_node_id(), msg).unwrap() }, _ => panic!("Unexpected event"), }; let channel_id; - confirm_transaction(&chain_b, &tx); - let events_5 = node_b.get_and_clear_pending_events(); + confirm_transaction(&node_b.chain_monitor, &tx, chan_id); + let events_5 = node_b.node.get_and_clear_pending_events(); assert_eq!(events_5.len(), 1); let as_announcement_sigs = match events_5[0] { Event::SendFundingLocked { ref node_id, ref msg, ref announcement_sigs } => { - assert_eq!(*node_id, node_a.get_our_node_id()); + assert_eq!(*node_id, node_a.node.get_our_node_id()); channel_id = msg.channel_id.clone(); - let as_announcement_sigs = node_a.handle_funding_locked(&node_b.get_our_node_id(), msg).unwrap().unwrap(); - node_a.handle_announcement_signatures(&node_b.get_our_node_id(), &(*announcement_sigs).clone().unwrap()).unwrap(); + let as_announcement_sigs = node_a.node.handle_funding_locked(&node_b.node.get_our_node_id(), msg).unwrap().unwrap(); + node_a.node.handle_announcement_signatures(&node_b.node.get_our_node_id(), &(*announcement_sigs).clone().unwrap()).unwrap(); as_announcement_sigs }, _ => panic!("Unexpected event"), }; - let events_6 = node_a.get_and_clear_pending_events(); + let events_6 = node_a.node.get_and_clear_pending_events(); assert_eq!(events_6.len(), 1); let (announcement, as_update) = match events_6[0] { Event::BroadcastChannelAnnouncement { ref msg, ref update_msg } => { @@ -1793,8 +1854,8 @@ mod tests { _ => panic!("Unexpected event"), }; - node_b.handle_announcement_signatures(&node_a.get_our_node_id(), &as_announcement_sigs).unwrap(); - let events_7 = node_b.get_and_clear_pending_events(); + node_b.node.handle_announcement_signatures(&node_a.node.get_our_node_id(), &as_announcement_sigs).unwrap(); + let events_7 = node_b.node.get_and_clear_pending_events(); assert_eq!(events_7.len(), 1); let bs_update = match events_7[0] { Event::BroadcastChannelAnnouncement { ref msg, ref update_msg } => { @@ -1808,12 +1869,22 @@ mod tests { CHAN_COUNT += 1; } - ((*announcement).clone(), (*as_update).clone(), (*bs_update).clone(), channel_id) + ((*announcement).clone(), (*as_update).clone(), (*bs_update).clone(), channel_id, tx) } - fn close_channel(outbound_node: &ChannelManager, outbound_broadcaster: &test_utils::TestBroadcaster, inbound_node: &ChannelManager, inbound_broadcaster: &test_utils::TestBroadcaster, channel_id: &Uint256, close_inbound_first: bool) { - let (node_a, broadcaster_a) = if close_inbound_first { (inbound_node, inbound_broadcaster) } else { (outbound_node, outbound_broadcaster) }; - let (node_b, broadcaster_b) = if close_inbound_first { (outbound_node, outbound_broadcaster) } else { (inbound_node, inbound_broadcaster) }; + fn create_announced_chan_between_nodes(nodes: &Vec, a: usize, b: usize) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, Uint256, Transaction) { + let chan_announcement = create_chan_between_nodes(&nodes[a], &nodes[b]); + for node in nodes { + assert!(node.router.handle_channel_announcement(&chan_announcement.0).unwrap()); + node.router.handle_channel_update(&chan_announcement.1).unwrap(); + node.router.handle_channel_update(&chan_announcement.2).unwrap(); + } + (chan_announcement.1, chan_announcement.2, chan_announcement.3, chan_announcement.4) + } + + fn close_channel(outbound_node: &Node, inbound_node: &Node, channel_id: &Uint256, funding_tx: Transaction, close_inbound_first: bool) { + let (node_a, broadcaster_a) = if close_inbound_first { (&inbound_node.node, &inbound_node.tx_broadcaster) } else { (&outbound_node.node, &outbound_node.tx_broadcaster) }; + 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); let shutdown_a = node_a.close_channel(channel_id).unwrap(); @@ -1844,6 +1915,9 @@ mod tests { tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0); } assert_eq!(tx_a, tx_b); + let mut funding_tx_map = HashMap::new(); + funding_tx_map.insert(funding_tx.txid(), funding_tx); + tx_a.verify(&funding_tx_map).unwrap(); } struct SendEvent { @@ -1863,7 +1937,7 @@ mod tests { } static mut PAYMENT_COUNT: u8 = 0; - fn send_along_route(origin_node: &ChannelManager, route: Route, expected_route: &[&ChannelManager], recv_value: u64) -> ([u8; 32], [u8; 32]) { + fn send_along_route(origin_node: &Node, route: Route, expected_route: &[&Node], recv_value: u64) -> ([u8; 32], [u8; 32]) { let our_payment_preimage = unsafe { [PAYMENT_COUNT; 32] }; unsafe { PAYMENT_COUNT += 1 }; let our_payment_hash = { @@ -1875,33 +1949,56 @@ mod tests { }; let mut payment_event = { - let msgs = origin_node.send_payment(route, our_payment_hash).unwrap().unwrap(); + let msgs = origin_node.node.send_payment(route, our_payment_hash).unwrap().unwrap(); SendEvent { - node_id: expected_route[0].get_our_node_id(), + node_id: expected_route[0].node.get_our_node_id(), msgs: vec!(msgs.0), commitment_msg: msgs.1, } }; let mut prev_node = origin_node; - for (idx, node) in expected_route.iter().enumerate() { - assert_eq!(node.get_our_node_id(), payment_event.node_id); + for (idx, &node) in expected_route.iter().enumerate() { + assert_eq!(node.node.get_our_node_id(), payment_event.node_id); - node.handle_update_add_htlc(&prev_node.get_our_node_id(), &payment_event.msgs[0]).unwrap(); - let revoke_and_ack = node.handle_commitment_signed(&prev_node.get_our_node_id(), &payment_event.commitment_msg).unwrap(); - assert!(prev_node.handle_revoke_and_ack(&node.get_our_node_id(), &revoke_and_ack).unwrap().is_none()); + node.node.handle_update_add_htlc(&prev_node.node.get_our_node_id(), &payment_event.msgs[0]).unwrap(); + { + let added_monitors = node.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 0); + } + + let revoke_and_ack = node.node.handle_commitment_signed(&prev_node.node.get_our_node_id(), &payment_event.commitment_msg).unwrap(); + { + let mut added_monitors = node.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 1); + added_monitors.clear(); + } + assert!(prev_node.node.handle_revoke_and_ack(&node.node.get_our_node_id(), &revoke_and_ack.0).unwrap().is_none()); + let prev_revoke_and_ack = prev_node.node.handle_commitment_signed(&node.node.get_our_node_id(), &revoke_and_ack.1.unwrap()).unwrap(); + { + let mut added_monitors = prev_node.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 2); + added_monitors.clear(); + } + assert!(node.node.handle_revoke_and_ack(&prev_node.node.get_our_node_id(), &prev_revoke_and_ack.0).unwrap().is_none()); + assert!(prev_revoke_and_ack.1.is_none()); + { + let mut added_monitors = node.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 1); + added_monitors.clear(); + } - let events_1 = node.get_and_clear_pending_events(); + let events_1 = node.node.get_and_clear_pending_events(); assert_eq!(events_1.len(), 1); match events_1[0] { Event::PendingHTLCsForwardable { .. } => { }, _ => panic!("Unexpected event"), }; - node.channel_state.lock().unwrap().next_forward = Instant::now(); - node.process_pending_htlc_forward(); + node.node.channel_state.lock().unwrap().next_forward = Instant::now(); + node.node.process_pending_htlc_forward(); - let mut events_2 = node.get_and_clear_pending_events(); + let mut events_2 = node.node.get_and_clear_pending_events(); assert_eq!(events_2.len(), 1); if idx == expected_route.len() - 1 { match events_2[0] { @@ -1924,26 +2021,57 @@ mod tests { (our_payment_preimage, our_payment_hash) } - fn claim_payment(origin_node: &ChannelManager, expected_route: &[&ChannelManager], our_payment_preimage: [u8; 32]) { - assert!(expected_route.last().unwrap().claim_funds(our_payment_preimage)); + fn claim_payment(origin_node: &Node, expected_route: &[&Node], our_payment_preimage: [u8; 32]) { + assert!(expected_route.last().unwrap().node.claim_funds(our_payment_preimage)); + { + let mut added_monitors = expected_route.last().unwrap().chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 1); + added_monitors.clear(); + } + + let mut next_msgs: Option<(msgs::UpdateFulfillHTLC, msgs::CommitmentSigned)> = None; + macro_rules! update_fulfill_dance { + ($node: expr, $prev_node: expr) => { + { + $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0).unwrap(); + let revoke_and_commit = $node.node.handle_commitment_signed(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().1).unwrap(); + { + let mut added_monitors = $node.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 2); + added_monitors.clear(); + } + assert!($prev_node.node.handle_revoke_and_ack(&$node.node.get_our_node_id(), &revoke_and_commit.0).unwrap().is_none()); + let revoke_and_ack = $prev_node.node.handle_commitment_signed(&$node.node.get_our_node_id(), &revoke_and_commit.1.unwrap()).unwrap(); + assert!(revoke_and_ack.1.is_none()); + { + let mut added_monitors = $prev_node.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 2); + added_monitors.clear(); + } + assert!($node.node.handle_revoke_and_ack(&$prev_node.node.get_our_node_id(), &revoke_and_ack.0).unwrap().is_none()); + { + let mut added_monitors = $node.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 1); + added_monitors.clear(); + } + } + } + } - let mut expected_next_node = expected_route.last().unwrap().get_our_node_id(); + let mut expected_next_node = expected_route.last().unwrap().node.get_our_node_id(); let mut prev_node = expected_route.last().unwrap(); - let mut next_msg = None; for node in expected_route.iter().rev() { - assert_eq!(expected_next_node, node.get_our_node_id()); - match next_msg { - Some(msg) => { - node.handle_update_fulfill_htlc(&prev_node.get_our_node_id(), &msg).unwrap(); - }, None => {} + assert_eq!(expected_next_node, node.node.get_our_node_id()); + if next_msgs.is_some() { + update_fulfill_dance!(node, prev_node); } - let events = node.get_and_clear_pending_events(); + let events = node.node.get_and_clear_pending_events(); assert_eq!(events.len(), 1); match events[0] { - Event::SendFulfillHTLC { ref node_id, ref msg } => { + Event::SendFulfillHTLC { ref node_id, ref msg, ref commitment_msg } => { expected_next_node = node_id.clone(); - next_msg = Some(msg.clone()); + next_msgs = Some((msg.clone(), commitment_msg.clone())); }, _ => panic!("Unexpected event"), }; @@ -1951,10 +2079,10 @@ mod tests { prev_node = node; } - assert_eq!(expected_next_node, origin_node.get_our_node_id()); - origin_node.handle_update_fulfill_htlc(&expected_route.first().unwrap().get_our_node_id(), &next_msg.unwrap()).unwrap(); + assert_eq!(expected_next_node, origin_node.node.get_our_node_id()); + update_fulfill_dance!(origin_node, expected_route.first().unwrap()); - let events = origin_node.get_and_clear_pending_events(); + let events = origin_node.node.get_and_clear_pending_events(); assert_eq!(events.len(), 1); match events[0] { Event::PaymentSent { payment_preimage } => { @@ -1964,21 +2092,21 @@ mod tests { } } - fn route_payment(origin_node: &ChannelManager, origin_router: &Router, expected_route: &[&ChannelManager], recv_value: u64) -> ([u8; 32], [u8; 32]) { - let route = origin_router.get_route(&expected_route.last().unwrap().get_our_node_id(), &Vec::new(), recv_value, 142).unwrap(); + fn route_payment(origin_node: &Node, expected_route: &[&Node], recv_value: u64) -> ([u8; 32], [u8; 32]) { + let route = origin_node.router.get_route(&expected_route.last().unwrap().node.get_our_node_id(), &Vec::new(), recv_value, 142).unwrap(); assert_eq!(route.hops.len(), expected_route.len()); for (node, hop) in expected_route.iter().zip(route.hops.iter()) { - assert_eq!(hop.pubkey, node.get_our_node_id()); + assert_eq!(hop.pubkey, node.node.get_our_node_id()); } send_along_route(origin_node, route, expected_route, recv_value) } - fn route_over_limit(origin_node: &ChannelManager, origin_router: &Router, expected_route: &[&ChannelManager], recv_value: u64) { - let route = origin_router.get_route(&expected_route.last().unwrap().get_our_node_id(), &Vec::new(), recv_value, 142).unwrap(); + fn route_over_limit(origin_node: &Node, expected_route: &[&Node], recv_value: u64) { + let route = origin_node.router.get_route(&expected_route.last().unwrap().node.get_our_node_id(), &Vec::new(), recv_value, 142).unwrap(); assert_eq!(route.hops.len(), expected_route.len()); for (node, hop) in expected_route.iter().zip(route.hops.iter()) { - assert_eq!(hop.pubkey, node.get_our_node_id()); + assert_eq!(hop.pubkey, node.node.get_our_node_id()); } let our_payment_preimage = unsafe { [PAYMENT_COUNT; 32] }; @@ -1991,42 +2119,68 @@ mod tests { ret }; - let err = origin_node.send_payment(route, our_payment_hash).err().unwrap(); + let err = origin_node.node.send_payment(route, our_payment_hash).err().unwrap(); assert_eq!(err.err, "Cannot send value that would put us over our max HTLC value in flight"); } - fn send_payment(origin_node: &ChannelManager, origin_router: &Router, expected_route: &[&ChannelManager], recv_value: u64) { - let our_payment_preimage = route_payment(origin_node, origin_router, expected_route, recv_value).0; - claim_payment(origin_node, expected_route, our_payment_preimage); + fn send_payment(origin: &Node, expected_route: &[&Node], recv_value: u64) { + let our_payment_preimage = route_payment(&origin, expected_route, recv_value).0; + claim_payment(&origin, expected_route, our_payment_preimage); } - fn send_failed_payment(origin_node: &ChannelManager, origin_router: &Router, expected_route: &[&ChannelManager]) { - let route = origin_router.get_route(&expected_route.last().unwrap().get_our_node_id(), &Vec::new(), 1000000, 142).unwrap(); + fn send_failed_payment(origin_node: &Node, expected_route: &[&Node]) { + let route = origin_node.router.get_route(&expected_route.last().unwrap().node.get_our_node_id(), &Vec::new(), 1000000, 142).unwrap(); assert_eq!(route.hops.len(), expected_route.len()); for (node, hop) in expected_route.iter().zip(route.hops.iter()) { - assert_eq!(hop.pubkey, node.get_our_node_id()); + assert_eq!(hop.pubkey, node.node.get_our_node_id()); } let our_payment_hash = send_along_route(origin_node, route, expected_route, 1000000).1; - assert!(expected_route.last().unwrap().fail_htlc_backwards(&our_payment_hash)); + assert!(expected_route.last().unwrap().node.fail_htlc_backwards(&our_payment_hash)); - let mut expected_next_node = expected_route.last().unwrap().get_our_node_id(); + let mut next_msgs: Option<(msgs::UpdateFailHTLC, msgs::CommitmentSigned)> = None; + macro_rules! update_fail_dance { + ($node: expr, $prev_node: expr) => { + { + $node.node.handle_update_fail_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0).unwrap(); + let revoke_and_commit = $node.node.handle_commitment_signed(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().1).unwrap(); + { + let mut added_monitors = $node.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 1); + added_monitors.clear(); + } + assert!($prev_node.node.handle_revoke_and_ack(&$node.node.get_our_node_id(), &revoke_and_commit.0).unwrap().is_none()); + let revoke_and_ack = $prev_node.node.handle_commitment_signed(&$node.node.get_our_node_id(), &revoke_and_commit.1.unwrap()).unwrap(); + assert!(revoke_and_ack.1.is_none()); + { + let mut added_monitors = $prev_node.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 2); + added_monitors.clear(); + } + assert!($node.node.handle_revoke_and_ack(&$prev_node.node.get_our_node_id(), &revoke_and_ack.0).unwrap().is_none()); + { + let mut added_monitors = $node.chan_monitor.added_monitors.lock().unwrap(); + assert_eq!(added_monitors.len(), 1); + added_monitors.clear(); + } + } + } + } + + let mut expected_next_node = expected_route.last().unwrap().node.get_our_node_id(); let mut prev_node = expected_route.last().unwrap(); - let mut next_msg = None; for node in expected_route.iter().rev() { - assert_eq!(expected_next_node, node.get_our_node_id()); - match next_msg { - Some(msg) => { - node.handle_update_fail_htlc(&prev_node.get_our_node_id(), &msg).unwrap(); - }, None => {} + assert_eq!(expected_next_node, node.node.get_our_node_id()); + if next_msgs.is_some() { + update_fail_dance!(node, prev_node); } - let events = node.get_and_clear_pending_events(); + let events = node.node.get_and_clear_pending_events(); assert_eq!(events.len(), 1); match events[0] { - Event::SendFailHTLC { ref node_id, ref msg } => { + Event::SendFailHTLC { ref node_id, ref msg, ref commitment_msg } => { expected_next_node = node_id.clone(); - next_msg = Some(msg.clone()); + next_msgs = Some((msg.clone(), commitment_msg.clone())); }, _ => panic!("Unexpected event"), }; @@ -2034,10 +2188,10 @@ mod tests { prev_node = node; } - assert_eq!(expected_next_node, origin_node.get_our_node_id()); - origin_node.handle_update_fail_htlc(&expected_route.first().unwrap().get_our_node_id(), &next_msg.unwrap()).unwrap(); + assert_eq!(expected_next_node, origin_node.node.get_our_node_id()); + update_fail_dance!(origin_node, expected_route.first().unwrap()); - let events = origin_node.get_and_clear_pending_events(); + let events = origin_node.node.get_and_clear_pending_events(); assert_eq!(events.len(), 1); match events[0] { Event::PaymentFailed { payment_hash } => { @@ -2047,193 +2201,143 @@ mod tests { } } + fn create_network(node_count: usize) -> Vec { + let mut nodes = Vec::new(); + let mut rng = thread_rng(); + let secp_ctx = Secp256k1::new(); + + for _ in 0..node_count { + let feeest = Arc::new(test_utils::TestFeeEstimator { sat_per_vbyte: 1 }); + let chain_monitor = Arc::new(chaininterface::ChainWatchInterfaceUtil::new()); + let tx_broadcaster = Arc::new(test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())}); + let chan_monitor = Arc::new(test_utils::TestChannelMonitor::new(chain_monitor.clone(), tx_broadcaster.clone())); + let node_id = { + let mut key_slice = [0; 32]; + rng.fill_bytes(&mut key_slice); + SecretKey::from_slice(&secp_ctx, &key_slice).unwrap() + }; + let node = ChannelManager::new(node_id.clone(), 0, true, Network::Testnet, feeest.clone(), chan_monitor.clone(), chain_monitor.clone(), tx_broadcaster.clone()).unwrap(); + let router = Router::new(PublicKey::from_secret_key(&secp_ctx, &node_id).unwrap()); + nodes.push(Node { feeest, chain_monitor, tx_broadcaster, chan_monitor, node_id, node, router }); + } + + nodes + } + #[test] fn fake_network_test() { // Simple test which builds a network of ChannelManagers, connects them to each other, and // tests that payments get routed and transactions broadcast in semi-reasonable ways. - let mut rng = thread_rng(); - let secp_ctx = Secp256k1::new(); - - let feeest_1 = Arc::new(test_utils::TestFeeEstimator { sat_per_vbyte: 1 }); - let chain_monitor_1 = Arc::new(chaininterface::ChainWatchInterfaceUtil::new()); - let chan_monitor_1 = Arc::new(test_utils::TestChannelMonitor{}); - let tx_broadcaster_1 = Arc::new(test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())}); - let node_id_1 = { - let mut key_slice = [0; 32]; - rng.fill_bytes(&mut key_slice); - SecretKey::from_slice(&secp_ctx, &key_slice).unwrap() - }; - let node_1 = ChannelManager::new(node_id_1.clone(), 0, true, Network::Testnet, feeest_1.clone(), chan_monitor_1.clone(), chain_monitor_1.clone(), tx_broadcaster_1.clone()).unwrap(); - let router_1 = Router::new(PublicKey::from_secret_key(&secp_ctx, &node_id_1).unwrap()); - - let feeest_2 = Arc::new(test_utils::TestFeeEstimator { sat_per_vbyte: 1 }); - let chain_monitor_2 = Arc::new(chaininterface::ChainWatchInterfaceUtil::new()); - let chan_monitor_2 = Arc::new(test_utils::TestChannelMonitor{}); - let tx_broadcaster_2 = Arc::new(test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())}); - let node_id_2 = { - let mut key_slice = [0; 32]; - rng.fill_bytes(&mut key_slice); - SecretKey::from_slice(&secp_ctx, &key_slice).unwrap() - }; - let node_2 = ChannelManager::new(node_id_2.clone(), 0, true, Network::Testnet, feeest_2.clone(), chan_monitor_2.clone(), chain_monitor_2.clone(), tx_broadcaster_2.clone()).unwrap(); - let router_2 = Router::new(PublicKey::from_secret_key(&secp_ctx, &node_id_2).unwrap()); - - let feeest_3 = Arc::new(test_utils::TestFeeEstimator { sat_per_vbyte: 1 }); - let chain_monitor_3 = Arc::new(chaininterface::ChainWatchInterfaceUtil::new()); - let chan_monitor_3 = Arc::new(test_utils::TestChannelMonitor{}); - let tx_broadcaster_3 = Arc::new(test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())}); - let node_id_3 = { - let mut key_slice = [0; 32]; - rng.fill_bytes(&mut key_slice); - SecretKey::from_slice(&secp_ctx, &key_slice).unwrap() - }; - let node_3 = ChannelManager::new(node_id_3.clone(), 0, true, Network::Testnet, feeest_3.clone(), chan_monitor_3.clone(), chain_monitor_3.clone(), tx_broadcaster_3.clone()).unwrap(); - let router_3 = Router::new(PublicKey::from_secret_key(&secp_ctx, &node_id_3).unwrap()); - - let feeest_4 = Arc::new(test_utils::TestFeeEstimator { sat_per_vbyte: 1 }); - let chain_monitor_4 = Arc::new(chaininterface::ChainWatchInterfaceUtil::new()); - let chan_monitor_4 = Arc::new(test_utils::TestChannelMonitor{}); - let tx_broadcaster_4 = Arc::new(test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())}); - let node_id_4 = { - let mut key_slice = [0; 32]; - rng.fill_bytes(&mut key_slice); - SecretKey::from_slice(&secp_ctx, &key_slice).unwrap() - }; - let node_4 = ChannelManager::new(node_id_4.clone(), 0, true, Network::Testnet, feeest_4.clone(), chan_monitor_4.clone(), chain_monitor_4.clone(), tx_broadcaster_4.clone()).unwrap(); - let router_4 = Router::new(PublicKey::from_secret_key(&secp_ctx, &node_id_4).unwrap()); + let nodes = create_network(4); // Create some initial channels - let chan_announcement_1 = create_chan_between_nodes(&node_1, &chain_monitor_1, &node_2, &chain_monitor_2); - for router in vec!(&router_1, &router_2, &router_3, &router_4) { - assert!(router.handle_channel_announcement(&chan_announcement_1.0).unwrap()); - router.handle_channel_update(&chan_announcement_1.1).unwrap(); - router.handle_channel_update(&chan_announcement_1.2).unwrap(); - } - let chan_announcement_2 = create_chan_between_nodes(&node_2, &chain_monitor_2, &node_3, &chain_monitor_3); - for router in vec!(&router_1, &router_2, &router_3, &router_4) { - assert!(router.handle_channel_announcement(&chan_announcement_2.0).unwrap()); - router.handle_channel_update(&chan_announcement_2.1).unwrap(); - router.handle_channel_update(&chan_announcement_2.2).unwrap(); - } - let chan_announcement_3 = create_chan_between_nodes(&node_3, &chain_monitor_3, &node_4, &chain_monitor_4); - for router in vec!(&router_1, &router_2, &router_3, &router_4) { - assert!(router.handle_channel_announcement(&chan_announcement_3.0).unwrap()); - router.handle_channel_update(&chan_announcement_3.1).unwrap(); - router.handle_channel_update(&chan_announcement_3.2).unwrap(); - } + let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1); + let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2); + let chan_3 = create_announced_chan_between_nodes(&nodes, 2, 3); // Rebalance the network a bit by relaying one payment through all the channels... - send_payment(&node_1, &router_1, &vec!(&*node_2, &*node_3, &*node_4)[..], 8000000); - send_payment(&node_1, &router_1, &vec!(&*node_2, &*node_3, &*node_4)[..], 8000000); - send_payment(&node_1, &router_1, &vec!(&*node_2, &*node_3, &*node_4)[..], 8000000); - send_payment(&node_1, &router_1, &vec!(&*node_2, &*node_3, &*node_4)[..], 8000000); - send_payment(&node_1, &router_1, &vec!(&*node_2, &*node_3, &*node_4)[..], 8000000); + send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2], &nodes[3])[..], 8000000); + send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2], &nodes[3])[..], 8000000); + send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2], &nodes[3])[..], 8000000); + send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2], &nodes[3])[..], 8000000); // Send some more payments - send_payment(&node_2, &router_2, &vec!(&*node_3, &*node_4)[..], 1000000); - send_payment(&node_4, &router_4, &vec!(&*node_3, &*node_2, &*node_1)[..], 1000000); - send_payment(&node_4, &router_4, &vec!(&*node_3, &*node_2)[..], 1000000); + send_payment(&nodes[1], &vec!(&nodes[2], &nodes[3])[..], 1000000); + send_payment(&nodes[3], &vec!(&nodes[2], &nodes[1], &nodes[0])[..], 1000000); + send_payment(&nodes[3], &vec!(&nodes[2], &nodes[1])[..], 1000000); // Test failure packets - send_failed_payment(&node_1, &router_1, &vec!(&*node_2, &*node_3, &*node_4)[..]); + send_failed_payment(&nodes[0], &vec!(&nodes[1], &nodes[2], &nodes[3])[..]); // Add a new channel that skips 3 - let chan_announcement_4 = create_chan_between_nodes(&node_2, &chain_monitor_2, &node_4, &chain_monitor_4); - for router in vec!(&router_1, &router_2, &router_3, &router_4) { - assert!(router.handle_channel_announcement(&chan_announcement_4.0).unwrap()); - router.handle_channel_update(&chan_announcement_4.1).unwrap(); - router.handle_channel_update(&chan_announcement_4.2).unwrap(); - } + let chan_4 = create_announced_chan_between_nodes(&nodes, 1, 3); - send_payment(&node_1, &router_1, &vec!(&*node_2, &*node_4)[..], 1000000); - send_payment(&node_3, &router_3, &vec!(&*node_4)[..], 1000000); - send_payment(&node_2, &router_2, &vec!(&*node_4)[..], 8000000); - send_payment(&node_2, &router_2, &vec!(&*node_4)[..], 8000000); - send_payment(&node_2, &router_2, &vec!(&*node_4)[..], 8000000); - send_payment(&node_2, &router_2, &vec!(&*node_4)[..], 8000000); - send_payment(&node_2, &router_2, &vec!(&*node_4)[..], 8000000); + send_payment(&nodes[0], &vec!(&nodes[1], &nodes[3])[..], 1000000); + send_payment(&nodes[2], &vec!(&nodes[3])[..], 1000000); + send_payment(&nodes[1], &vec!(&nodes[3])[..], 8000000); + send_payment(&nodes[1], &vec!(&nodes[3])[..], 8000000); + send_payment(&nodes[1], &vec!(&nodes[3])[..], 8000000); + send_payment(&nodes[1], &vec!(&nodes[3])[..], 8000000); + send_payment(&nodes[1], &vec!(&nodes[3])[..], 8000000); // Do some rebalance loop payments, simultaneously let mut hops = Vec::with_capacity(3); hops.push(RouteHop { - pubkey: node_3.get_our_node_id(), - short_channel_id: chan_announcement_2.1.contents.short_channel_id, + pubkey: nodes[2].node.get_our_node_id(), + short_channel_id: chan_2.0.contents.short_channel_id, fee_msat: 0, - cltv_expiry_delta: chan_announcement_3.1.contents.cltv_expiry_delta as u32 + cltv_expiry_delta: chan_3.0.contents.cltv_expiry_delta as u32 }); hops.push(RouteHop { - pubkey: node_4.get_our_node_id(), - short_channel_id: chan_announcement_3.1.contents.short_channel_id, + pubkey: nodes[3].node.get_our_node_id(), + short_channel_id: chan_3.0.contents.short_channel_id, fee_msat: 0, - cltv_expiry_delta: chan_announcement_4.2.contents.cltv_expiry_delta as u32 + cltv_expiry_delta: chan_4.1.contents.cltv_expiry_delta as u32 }); hops.push(RouteHop { - pubkey: node_2.get_our_node_id(), - short_channel_id: chan_announcement_4.1.contents.short_channel_id, + pubkey: nodes[1].node.get_our_node_id(), + short_channel_id: chan_4.0.contents.short_channel_id, fee_msat: 1000000, cltv_expiry_delta: 142, }); - hops[1].fee_msat = chan_announcement_4.2.contents.fee_base_msat as u64 + chan_announcement_4.2.contents.fee_proportional_millionths as u64 * hops[2].fee_msat as u64 / 1000000; - hops[0].fee_msat = chan_announcement_3.1.contents.fee_base_msat as u64 + chan_announcement_3.1.contents.fee_proportional_millionths as u64 * hops[1].fee_msat as u64 / 1000000; - let payment_preimage_1 = send_along_route(&node_2, Route { hops }, &vec!(&*node_3, &*node_4, &*node_2)[..], 1000000).0; + hops[1].fee_msat = chan_4.1.contents.fee_base_msat as u64 + chan_4.1.contents.fee_proportional_millionths as u64 * hops[2].fee_msat as u64 / 1000000; + hops[0].fee_msat = chan_3.0.contents.fee_base_msat as u64 + chan_3.0.contents.fee_proportional_millionths as u64 * hops[1].fee_msat as u64 / 1000000; + let payment_preimage_1 = send_along_route(&nodes[1], Route { hops }, &vec!(&nodes[2], &nodes[3], &nodes[1])[..], 1000000).0; let mut hops = Vec::with_capacity(3); hops.push(RouteHop { - pubkey: node_4.get_our_node_id(), - short_channel_id: chan_announcement_4.1.contents.short_channel_id, + pubkey: nodes[3].node.get_our_node_id(), + short_channel_id: chan_4.0.contents.short_channel_id, fee_msat: 0, - cltv_expiry_delta: chan_announcement_3.2.contents.cltv_expiry_delta as u32 + cltv_expiry_delta: chan_3.1.contents.cltv_expiry_delta as u32 }); hops.push(RouteHop { - pubkey: node_3.get_our_node_id(), - short_channel_id: chan_announcement_3.1.contents.short_channel_id, + pubkey: nodes[2].node.get_our_node_id(), + short_channel_id: chan_3.0.contents.short_channel_id, fee_msat: 0, - cltv_expiry_delta: chan_announcement_2.2.contents.cltv_expiry_delta as u32 + cltv_expiry_delta: chan_2.1.contents.cltv_expiry_delta as u32 }); hops.push(RouteHop { - pubkey: node_2.get_our_node_id(), - short_channel_id: chan_announcement_2.1.contents.short_channel_id, + pubkey: nodes[1].node.get_our_node_id(), + short_channel_id: chan_2.0.contents.short_channel_id, fee_msat: 1000000, cltv_expiry_delta: 142, }); - hops[1].fee_msat = chan_announcement_2.2.contents.fee_base_msat as u64 + chan_announcement_2.2.contents.fee_proportional_millionths as u64 * hops[2].fee_msat as u64 / 1000000; - hops[0].fee_msat = chan_announcement_3.2.contents.fee_base_msat as u64 + chan_announcement_3.2.contents.fee_proportional_millionths as u64 * hops[1].fee_msat as u64 / 1000000; - let payment_preimage_2 = send_along_route(&node_2, Route { hops }, &vec!(&*node_4, &*node_3, &*node_2)[..], 1000000).0; + hops[1].fee_msat = chan_2.1.contents.fee_base_msat as u64 + chan_2.1.contents.fee_proportional_millionths as u64 * hops[2].fee_msat as u64 / 1000000; + hops[0].fee_msat = chan_3.1.contents.fee_base_msat as u64 + chan_3.1.contents.fee_proportional_millionths as u64 * hops[1].fee_msat as u64 / 1000000; + let payment_preimage_2 = send_along_route(&nodes[1], Route { hops }, &vec!(&nodes[3], &nodes[2], &nodes[1])[..], 1000000).0; // Claim the rebalances... - claim_payment(&node_2, &vec!(&*node_4, &*node_3, &*node_2)[..], payment_preimage_2); - claim_payment(&node_2, &vec!(&*node_3, &*node_4, &*node_2)[..], payment_preimage_1); + claim_payment(&nodes[1], &vec!(&nodes[3], &nodes[2], &nodes[1])[..], payment_preimage_2); + claim_payment(&nodes[1], &vec!(&nodes[2], &nodes[3], &nodes[1])[..], payment_preimage_1); // Add a duplicate new channel from 2 to 4 - let chan_announcement_5 = create_chan_between_nodes(&node_2, &chain_monitor_2, &node_4, &chain_monitor_4); - for router in vec!(&router_1, &router_2, &router_3, &router_4) { - assert!(router.handle_channel_announcement(&chan_announcement_5.0).unwrap()); - router.handle_channel_update(&chan_announcement_5.1).unwrap(); - router.handle_channel_update(&chan_announcement_5.2).unwrap(); - } + let chan_5 = create_announced_chan_between_nodes(&nodes, 1, 3); // Send some payments across both channels - let payment_preimage_3 = route_payment(&node_1, &router_1, &vec!(&*node_2, &*node_4)[..], 3000000).0; - let payment_preimage_4 = route_payment(&node_1, &router_1, &vec!(&*node_2, &*node_4)[..], 3000000).0; - let payment_preimage_5 = route_payment(&node_1, &router_1, &vec!(&*node_2, &*node_4)[..], 3000000).0; + let payment_preimage_3 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[3])[..], 3000000).0; + let payment_preimage_4 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[3])[..], 3000000).0; + let payment_preimage_5 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[3])[..], 3000000).0; - route_over_limit(&node_1, &router_1, &vec!(&*node_2, &*node_4)[..], 3000000); + route_over_limit(&nodes[0], &vec!(&nodes[1], &nodes[3])[..], 3000000); //TODO: Test that routes work again here as we've been notified that the channel is full - claim_payment(&node_1, &vec!(&*node_2, &*node_4)[..], payment_preimage_3); - claim_payment(&node_1, &vec!(&*node_2, &*node_4)[..], payment_preimage_4); - claim_payment(&node_1, &vec!(&*node_2, &*node_4)[..], payment_preimage_5); + claim_payment(&nodes[0], &vec!(&nodes[1], &nodes[3])[..], payment_preimage_3); + claim_payment(&nodes[0], &vec!(&nodes[1], &nodes[3])[..], payment_preimage_4); + claim_payment(&nodes[0], &vec!(&nodes[1], &nodes[3])[..], payment_preimage_5); // Close down the channels... - close_channel(&node_1, &tx_broadcaster_1, &node_2, &tx_broadcaster_2, &chan_announcement_1.3, true); - close_channel(&node_2, &tx_broadcaster_2, &node_3, &tx_broadcaster_3, &chan_announcement_2.3, false); - close_channel(&node_3, &tx_broadcaster_3, &node_4, &tx_broadcaster_4, &chan_announcement_3.3, true); - close_channel(&node_2, &tx_broadcaster_2, &node_4, &tx_broadcaster_4, &chan_announcement_4.3, false); + close_channel(&nodes[0], &nodes[1], &chan_1.2, chan_1.3, true); + close_channel(&nodes[1], &nodes[2], &chan_2.2, chan_2.3, false); + close_channel(&nodes[2], &nodes[3], &chan_3.2, chan_3.3, true); + close_channel(&nodes[1], &nodes[3], &chan_4.2, chan_4.3, false); + close_channel(&nodes[1], &nodes[3], &chan_5.2, chan_5.3, false); // Check that we processed all pending events - for node in vec!(&node_1, &node_2, &node_3, &node_4) { - assert_eq!(node.get_and_clear_pending_events().len(), 0); + for node in nodes { + assert_eq!(node.node.get_and_clear_pending_events().len(), 0); + assert_eq!(node.chan_monitor.added_monitors.lock().unwrap().len(), 0); } } }