X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fchannelmanager.rs;h=efb2fe9c37bd9a8ec2c9a36d9a521072a6f8c6f3;hb=dba0709b084cd3c1f50f95afed5111e5f8afda39;hp=14f78de4d48660d12dee944eb5b909ab4784b853;hpb=a15c8541dc4b55be7c0fc76d252f2501d4cc1735;p=rust-lightning diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs index 14f78de4..efb2fe9c 100644 --- a/lightning/src/ln/channelmanager.rs +++ b/lightning/src/ln/channelmanager.rs @@ -434,6 +434,7 @@ pub struct ChannelManager>, our_network_key: SecretKey, + our_network_pubkey: PublicKey, /// Used to track the last value sent in a node_announcement "timestamp" field. We ensure this /// value increases strictly since we don't assume access to a time source. @@ -822,7 +823,6 @@ impl ChannelMana latest_block_height: AtomicUsize::new(params.latest_height), last_block_hash: RwLock::new(params.latest_hash), - secp_ctx, channel_state: Mutex::new(ChannelHolder{ by_id: HashMap::new(), @@ -832,6 +832,8 @@ impl ChannelMana pending_msg_events: Vec::new(), }), our_network_key: keys_manager.get_node_secret(), + our_network_pubkey: PublicKey::from_secret_key(&secp_ctx, &keys_manager.get_node_secret()), + secp_ctx, last_node_announcement_serial: AtomicUsize::new(0), @@ -2326,7 +2328,7 @@ impl ChannelMana /// Gets the node_id held by this ChannelManager pub fn get_our_node_id(&self) -> PublicKey { - PublicKey::from_secret_key(&self.secp_ctx, &self.our_network_key) + self.our_network_pubkey.clone() } /// Restores a single, given channel to normal operation after a @@ -3302,8 +3304,17 @@ where self.update_best_block(&block.header, height); } - fn block_disconnected(&self, header: &BlockHeader, _height: u32) { - ChannelManager::block_disconnected(self, header); + fn block_disconnected(&self, header: &BlockHeader, height: u32) { + assert_eq!(*self.last_block_hash.read().unwrap(), header.block_hash(), + "Blocks must be disconnected in chain-order - the disconnected header must be the last connected header"); + + let _persistence_guard = PersistenceNotifierGuard::new(&self.total_consistency_lock, &self.persistence_notifier); + let new_height = self.latest_block_height.fetch_sub(1, Ordering::AcqRel) as u32 - 1; + assert_eq!(new_height, height - 1, + "Blocks must be disconnected in chain-order - the disconnected block must have the correct height"); + *self.last_block_hash.write().unwrap() = header.prev_blockhash; + + self.do_chain_event(new_height, |channel| channel.update_best_block(new_height, header.time)); } } @@ -3427,7 +3438,7 @@ impl ChannelMana log_trace!(self.logger, "{} transactions included in block {} at height {} provided", txdata.len(), block_hash, height); let _persistence_guard = PersistenceNotifierGuard::new(&self.total_consistency_lock, &self.persistence_notifier); - self.do_chain_event(height, |channel| channel.transactions_confirmed(&block_hash, height, txdata, &self.logger).map(|_| (None, Vec::new()))); + self.do_chain_event(height, |channel| channel.transactions_confirmed(&block_hash, height, txdata, &self.logger).map(|a| (a, Vec::new()))); } /// Updates channel state with the current best blockchain tip. You should attempt to call this @@ -3472,52 +3483,6 @@ impl ChannelMana } } - /// Updates channel state based on a disconnected block. - /// - /// If necessary, the channel may be force-closed without letting the counterparty participate - /// in the shutdown. - pub fn block_disconnected(&self, header: &BlockHeader) { - // Note that we MUST NOT end up calling methods on self.chain_monitor here - we're called - // during initialization prior to the chain_monitor being fully configured in some cases. - // See the docs for `ChannelManagerReadArgs` for more. - let _persistence_guard = PersistenceNotifierGuard::new(&self.total_consistency_lock, &self.persistence_notifier); - - assert_eq!(*self.last_block_hash.read().unwrap(), header.block_hash(), - "Blocks must be disconnected in chain-order - the disconnected header must be the last connected header"); - let new_height = self.latest_block_height.fetch_sub(1, Ordering::AcqRel) as u32 - 1; - *self.last_block_hash.write().unwrap() = header.prev_blockhash; - - let mut failed_channels = Vec::new(); - { - let mut channel_lock = self.channel_state.lock().unwrap(); - let channel_state = &mut *channel_lock; - let short_to_id = &mut channel_state.short_to_id; - let pending_msg_events = &mut channel_state.pending_msg_events; - channel_state.by_id.retain(|_, v| { - if let Err(err_msg) = v.update_best_block(new_height, header.time) { - if let Some(short_id) = v.get_short_channel_id() { - short_to_id.remove(&short_id); - } - failed_channels.push(v.force_shutdown(true)); - if let Ok(update) = self.get_channel_update(&v) { - pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate { - msg: update - }); - } - pending_msg_events.push(events::MessageSendEvent::HandleError { - node_id: v.get_counterparty_node_id(), - action: msgs::ErrorAction::SendErrorMessage { msg: err_msg }, - }); - false - } else { - true - } - }); - } - - self.handle_init_event_channel_failures(failed_channels); - } - /// Blocks until ChannelManager needs to be persisted or a timeout is reached. It returns a bool /// indicating whether persistence is necessary. Only one listener on /// `await_persistable_update` or `await_persistable_update_timeout` is guaranteed to be woken @@ -4382,7 +4347,6 @@ impl<'a, Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> latest_block_height: AtomicUsize::new(latest_block_height as usize), last_block_hash: RwLock::new(last_block_hash), - secp_ctx, channel_state: Mutex::new(ChannelHolder { by_id, @@ -4392,6 +4356,8 @@ impl<'a, Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> pending_msg_events: Vec::new(), }), our_network_key: args.keys_manager.get_node_secret(), + our_network_pubkey: PublicKey::from_secret_key(&secp_ctx, &args.keys_manager.get_node_secret()), + secp_ctx, last_node_announcement_serial: AtomicUsize::new(last_node_announcement_serial as usize), @@ -4468,3 +4434,154 @@ mod tests { } } } + +#[cfg(all(any(test, feature = "_test_utils"), feature = "unstable"))] +pub mod bench { + use chain::Listen; + use chain::chainmonitor::ChainMonitor; + use chain::channelmonitor::Persist; + use chain::keysinterface::{KeysManager, InMemorySigner}; + use chain::transaction::OutPoint; + use ln::channelmanager::{ChainParameters, ChannelManager, PaymentHash, PaymentPreimage}; + use ln::features::InitFeatures; + use ln::functional_test_utils::*; + use ln::msgs::ChannelMessageHandler; + use routing::network_graph::NetworkGraph; + use routing::router::get_route; + use util::test_utils; + use util::config::UserConfig; + use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider}; + + use bitcoin::hashes::Hash; + use bitcoin::hashes::sha256::Hash as Sha256; + use bitcoin::{Block, BlockHeader, Transaction, TxOut}; + + use std::sync::Mutex; + + use test::Bencher; + + struct NodeHolder<'a, P: Persist> { + node: &'a ChannelManager, + &'a test_utils::TestBroadcaster, &'a KeysManager, + &'a test_utils::TestFeeEstimator, &'a test_utils::TestLogger> + } + + #[cfg(test)] + #[bench] + fn bench_sends(bench: &mut Bencher) { + bench_two_sends(bench, test_utils::TestPersister::new(), test_utils::TestPersister::new()); + } + + pub fn bench_two_sends>(bench: &mut Bencher, persister_a: P, persister_b: P) { + // Do a simple benchmark of sending a payment back and forth between two nodes. + // Note that this is unrealistic as each payment send will require at least two fsync + // calls per node. + let network = bitcoin::Network::Testnet; + let genesis_hash = bitcoin::blockdata::constants::genesis_block(network).header.block_hash(); + + let tx_broadcaster = test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())}; + let fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 }; + + let mut config: UserConfig = Default::default(); + config.own_channel_config.minimum_depth = 1; + + let logger_a = test_utils::TestLogger::with_id("node a".to_owned()); + let chain_monitor_a = ChainMonitor::new(None, &tx_broadcaster, &logger_a, &fee_estimator, &persister_a); + let seed_a = [1u8; 32]; + let keys_manager_a = KeysManager::new(&seed_a, 42, 42); + let node_a = ChannelManager::new(&fee_estimator, &chain_monitor_a, &tx_broadcaster, &logger_a, &keys_manager_a, config.clone(), ChainParameters { + network, + latest_hash: genesis_hash, + latest_height: 0, + }); + let node_a_holder = NodeHolder { node: &node_a }; + + let logger_b = test_utils::TestLogger::with_id("node a".to_owned()); + let chain_monitor_b = ChainMonitor::new(None, &tx_broadcaster, &logger_a, &fee_estimator, &persister_b); + let seed_b = [2u8; 32]; + let keys_manager_b = KeysManager::new(&seed_b, 42, 42); + let node_b = ChannelManager::new(&fee_estimator, &chain_monitor_b, &tx_broadcaster, &logger_b, &keys_manager_b, config.clone(), ChainParameters { + network, + latest_hash: genesis_hash, + latest_height: 0, + }); + let node_b_holder = NodeHolder { node: &node_b }; + + node_a.create_channel(node_b.get_our_node_id(), 8_000_000, 100_000_000, 42, None).unwrap(); + node_b.handle_open_channel(&node_a.get_our_node_id(), InitFeatures::known(), &get_event_msg!(node_a_holder, MessageSendEvent::SendOpenChannel, node_b.get_our_node_id())); + node_a.handle_accept_channel(&node_b.get_our_node_id(), InitFeatures::known(), &get_event_msg!(node_b_holder, MessageSendEvent::SendAcceptChannel, node_a.get_our_node_id())); + + let tx; + if let Event::FundingGenerationReady { temporary_channel_id, output_script, .. } = get_event!(node_a_holder, Event::FundingGenerationReady) { + tx = Transaction { version: 2, lock_time: 0, input: Vec::new(), output: vec![TxOut { + value: 8_000_000, script_pubkey: output_script, + }]}; + let funding_outpoint = OutPoint { txid: tx.txid(), index: 0 }; + node_a.funding_transaction_generated(&temporary_channel_id, funding_outpoint); + } else { panic!(); } + + node_b.handle_funding_created(&node_a.get_our_node_id(), &get_event_msg!(node_a_holder, MessageSendEvent::SendFundingCreated, node_b.get_our_node_id())); + node_a.handle_funding_signed(&node_b.get_our_node_id(), &get_event_msg!(node_b_holder, MessageSendEvent::SendFundingSigned, node_a.get_our_node_id())); + + get_event!(node_a_holder, Event::FundingBroadcastSafe); + + let block = Block { + header: BlockHeader { version: 0x20000000, prev_blockhash: genesis_hash, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 }, + txdata: vec![tx], + }; + Listen::block_connected(&node_a, &block, 1); + Listen::block_connected(&node_b, &block, 1); + + node_a.handle_funding_locked(&node_b.get_our_node_id(), &get_event_msg!(node_b_holder, MessageSendEvent::SendFundingLocked, node_a.get_our_node_id())); + node_b.handle_funding_locked(&node_a.get_our_node_id(), &get_event_msg!(node_a_holder, MessageSendEvent::SendFundingLocked, node_b.get_our_node_id())); + + let dummy_graph = NetworkGraph::new(genesis_hash); + + macro_rules! send_payment { + ($node_a: expr, $node_b: expr) => { + let usable_channels = $node_a.list_usable_channels(); + let route = get_route(&$node_a.get_our_node_id(), &dummy_graph, &$node_b.get_our_node_id(), None, Some(&usable_channels.iter().map(|r| r).collect::>()), &[], 10_000, TEST_FINAL_CLTV, &logger_a).unwrap(); + + let payment_preimage = PaymentPreimage([0; 32]); + let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).into_inner()); + + $node_a.send_payment(&route, payment_hash, &None).unwrap(); + let payment_event = SendEvent::from_event($node_a.get_and_clear_pending_msg_events().pop().unwrap()); + $node_b.handle_update_add_htlc(&$node_a.get_our_node_id(), &payment_event.msgs[0]); + $node_b.handle_commitment_signed(&$node_a.get_our_node_id(), &payment_event.commitment_msg); + let (raa, cs) = get_revoke_commit_msgs!(NodeHolder { node: &$node_b }, $node_a.get_our_node_id()); + $node_a.handle_revoke_and_ack(&$node_b.get_our_node_id(), &raa); + $node_a.handle_commitment_signed(&$node_b.get_our_node_id(), &cs); + $node_b.handle_revoke_and_ack(&$node_a.get_our_node_id(), &get_event_msg!(NodeHolder { node: &$node_a }, MessageSendEvent::SendRevokeAndACK, $node_b.get_our_node_id())); + + expect_pending_htlcs_forwardable!(NodeHolder { node: &$node_b }); + expect_payment_received!(NodeHolder { node: &$node_b }, payment_hash, 10_000); + assert!($node_b.claim_funds(payment_preimage, &None, 10_000)); + + match $node_b.get_and_clear_pending_msg_events().pop().unwrap() { + MessageSendEvent::UpdateHTLCs { node_id, updates } => { + assert_eq!(node_id, $node_a.get_our_node_id()); + $node_a.handle_update_fulfill_htlc(&$node_b.get_our_node_id(), &updates.update_fulfill_htlcs[0]); + $node_a.handle_commitment_signed(&$node_b.get_our_node_id(), &updates.commitment_signed); + }, + _ => panic!("Failed to generate claim event"), + } + + let (raa, cs) = get_revoke_commit_msgs!(NodeHolder { node: &$node_a }, $node_b.get_our_node_id()); + $node_b.handle_revoke_and_ack(&$node_a.get_our_node_id(), &raa); + $node_b.handle_commitment_signed(&$node_a.get_our_node_id(), &cs); + $node_a.handle_revoke_and_ack(&$node_b.get_our_node_id(), &get_event_msg!(NodeHolder { node: &$node_b }, MessageSendEvent::SendRevokeAndACK, $node_a.get_our_node_id())); + + expect_payment_sent!(NodeHolder { node: &$node_a }, payment_preimage); + } + } + + bench.iter(|| { + send_payment!(node_a, node_b); + send_payment!(node_b, node_a); + }); + } +}