From 7608483b0f5894cf2001af02248adac28bd2b269 Mon Sep 17 00:00:00 2001 From: Antoine Riard Date: Mon, 4 Nov 2019 19:09:51 -0500 Subject: [PATCH] Rename HandleError to LightningError to stress already-processed error --- fuzz/fuzz_targets/chanmon_fail_consistency.rs | 4 +- src/ln/chanmon_update_fail_tests.rs | 34 ++++---- src/ln/channelmanager.rs | 70 ++++++++--------- src/ln/functional_tests.rs | 38 ++++----- src/ln/msgs.rs | 44 +++++------ src/ln/peer_channel_encryptor.rs | 26 +++---- src/ln/router.rs | 40 +++++----- src/util/test_utils.rs | 78 +++++++++---------- 8 files changed, 167 insertions(+), 167 deletions(-) diff --git a/fuzz/fuzz_targets/chanmon_fail_consistency.rs b/fuzz/fuzz_targets/chanmon_fail_consistency.rs index 3610b1ca..28f03b63 100644 --- a/fuzz/fuzz_targets/chanmon_fail_consistency.rs +++ b/fuzz/fuzz_targets/chanmon_fail_consistency.rs @@ -37,7 +37,7 @@ use lightning::ln::channelmonitor; use lightning::ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, HTLCUpdate}; use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage, ChannelManagerReadArgs}; use lightning::ln::router::{Route, RouteHop}; -use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, ErrorAction, HandleError, UpdateAddHTLC, LocalFeatures}; +use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, ErrorAction, LightningError, UpdateAddHTLC, LocalFeatures}; use lightning::util::events; use lightning::util::logger::Logger; use lightning::util::config::UserConfig; @@ -392,7 +392,7 @@ pub fn do_test(data: &[u8]) { ($res: expr) => { match $res { Ok(()) => {}, - Err(HandleError { action: Some(ErrorAction::IgnoreError), .. }) => { }, + Err(LightningError { action: Some(ErrorAction::IgnoreError), .. }) => { }, _ => { $res.unwrap() }, } } diff --git a/src/ln/chanmon_update_fail_tests.rs b/src/ln/chanmon_update_fail_tests.rs index 137d9834..af676edb 100644 --- a/src/ln/chanmon_update_fail_tests.rs +++ b/src/ln/chanmon_update_fail_tests.rs @@ -190,7 +190,7 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) { _ => panic!("Unexpected event"), } - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::IgnoreError) }) = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), commitment_signed) { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::IgnoreError) }) = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), commitment_signed) { assert_eq!(err, "Previous monitor update failure prevented generation of RAA"); } else { panic!(); } } @@ -485,7 +485,7 @@ fn test_monitor_update_fail_cs() { nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &send_event.msgs[0]).unwrap(); *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &send_event.commitment_msg).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &send_event.commitment_msg).unwrap_err() { assert_eq!(err, "Failed to update ChannelMonitor"); } else { panic!(); } check_added_monitors!(nodes[1], 1); @@ -515,7 +515,7 @@ fn test_monitor_update_fail_cs() { assert_eq!(*node_id, nodes[0].node.get_our_node_id()); *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &updates.commitment_signed).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &updates.commitment_signed).unwrap_err() { assert_eq!(err, "Failed to update ChannelMonitor"); } else { panic!(); } check_added_monitors!(nodes[0], 1); @@ -565,7 +565,7 @@ fn test_monitor_update_fail_no_rebroadcast() { let bs_raa = commitment_signed_dance!(nodes[1], nodes[0], send_event.commitment_msg, false, true, false, true); *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &bs_raa).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &bs_raa).unwrap_err() { assert_eq!(err, "Failed to update ChannelMonitor"); } else { panic!(); } assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); @@ -618,12 +618,12 @@ fn test_monitor_update_raa_while_paused() { *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure); nodes[0].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &send_event_2.msgs[0]).unwrap(); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &send_event_2.commitment_msg).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &send_event_2.commitment_msg).unwrap_err() { assert_eq!(err, "Failed to update ChannelMonitor"); } else { panic!(); } check_added_monitors!(nodes[0], 1); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_raa).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_raa).unwrap_err() { assert_eq!(err, "Previous monitor update failure prevented responses to RAA"); } else { panic!(); } check_added_monitors!(nodes[0], 1); @@ -704,7 +704,7 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) { // Now fail monitor updating. *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[2].node.get_our_node_id(), &bs_revoke_and_ack).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[2].node.get_our_node_id(), &bs_revoke_and_ack).unwrap_err() { assert_eq!(err, "Failed to update ChannelMonitor"); } else { panic!(); } assert!(nodes[1].node.get_and_clear_pending_events().is_empty()); @@ -768,7 +768,7 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) { send_event = SendEvent::from_event(nodes[2].node.get_and_clear_pending_msg_events().remove(0)); nodes[1].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &send_event.msgs[0]).unwrap(); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::IgnoreError) }) = nodes[1].node.handle_commitment_signed(&nodes[2].node.get_our_node_id(), &send_event.commitment_msg) { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::IgnoreError) }) = nodes[1].node.handle_commitment_signed(&nodes[2].node.get_our_node_id(), &send_event.commitment_msg) { assert_eq!(err, "Previous monitor update failure prevented generation of RAA"); } else { panic!(); } assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); @@ -945,7 +945,7 @@ fn test_monitor_update_fail_reestablish() { nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish).unwrap(); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish).unwrap_err() { assert_eq!(err, "Failed to update ChannelMonitor"); } else { panic!(); } check_added_monitors!(nodes[1], 1); @@ -1033,12 +1033,12 @@ fn raa_no_response_awaiting_raa_state() { // then restore channel monitor updates. *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure); nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]).unwrap(); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() { assert_eq!(err, "Failed to update ChannelMonitor"); } else { panic!(); } check_added_monitors!(nodes[1], 1); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_raa).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_raa).unwrap_err() { assert_eq!(err, "Previous monitor update failure prevented responses to RAA"); } else { panic!(); } check_added_monitors!(nodes[1], 1); @@ -1130,7 +1130,7 @@ fn claim_while_disconnected_monitor_update_fail() { // update. *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reconnect).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reconnect).unwrap_err() { assert_eq!(err, "Failed to update ChannelMonitor"); } else { panic!(); } check_added_monitors!(nodes[1], 1); @@ -1145,7 +1145,7 @@ fn claim_while_disconnected_monitor_update_fail() { let as_updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &as_updates.update_add_htlcs[0]).unwrap(); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_updates.commitment_signed).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_updates.commitment_signed).unwrap_err() { assert_eq!(err, "Previous monitor update failure prevented generation of RAA"); } else { panic!(); } // Note that nodes[1] not updating monitor here is OK - it wont take action on the new HTLC @@ -1235,7 +1235,7 @@ fn monitor_failed_no_reestablish_response() { assert_eq!(events.len(), 1); let payment_event = SendEvent::from_event(events.pop().unwrap()); nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]).unwrap(); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() { assert_eq!(err, "Failed to update ChannelMonitor"); } else { panic!(); } check_added_monitors!(nodes[1], 1); @@ -1327,7 +1327,7 @@ fn first_message_on_recv_ordering() { // Deliver the final RAA for the first payment, which does not require a response. RAAs // generally require a commitment_signed, so the fact that we're expecting an opposite response // to the next message also tests resetting the delivery order. - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_raa).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_raa).unwrap_err() { assert_eq!(err, "Failed to update ChannelMonitor"); } else { panic!(); } check_added_monitors!(nodes[1], 1); @@ -1336,7 +1336,7 @@ fn first_message_on_recv_ordering() { // RAA/CS response, which should be generated when we call test_restore_channel_monitor (with // the appropriate HTLC acceptance). nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]).unwrap(); - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() { assert_eq!(err, "Previous monitor update failure prevented generation of RAA"); } else { panic!(); } @@ -1597,7 +1597,7 @@ fn do_during_funding_monitor_fail(fail_on_generate: bool, restore_between_fails: } let funding_signed_res = nodes[0].node.handle_funding_signed(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendFundingSigned, nodes[0].node.get_our_node_id())); if fail_on_signed || !restore_between_fails { - if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = funding_signed_res.unwrap_err() { + if let msgs::LightningError { err, action: Some(msgs::ErrorAction::IgnoreError) } = funding_signed_res.unwrap_err() { if fail_on_generate && !restore_between_fails { assert_eq!(err, "Previous monitor update failure prevented funding_signed from allowing funding broadcast"); check_added_monitors!(nodes[0], 0); diff --git a/src/ln/channelmanager.rs b/src/ln/channelmanager.rs index a957a96d..156b3196 100644 --- a/src/ln/channelmanager.rs +++ b/src/ln/channelmanager.rs @@ -33,7 +33,7 @@ use ln::router::Route; use ln::msgs; use ln::msgs::LocalFeatures; use ln::onion_utils; -use ln::msgs::{ChannelMessageHandler, DecodeError, HandleError}; +use ln::msgs::{ChannelMessageHandler, DecodeError, LightningError}; use chain::keysinterface::KeysInterface; use util::config::UserConfig; use util::{byte_utils, events}; @@ -118,7 +118,7 @@ impl HTLCSource { #[derive(Clone)] // See Channel::revoke_and_ack for why, tl;dr: Rust bug pub(super) enum HTLCFailReason { - ErrorPacket { + LightningError { err: msgs::OnionErrorPacket, }, Reason { @@ -143,14 +143,14 @@ type ShutdownResult = (Vec, Vec<(HTLCSource, PaymentHash)>); /// this struct and call handle_error!() on it. struct MsgHandleErrInternal { - err: msgs::HandleError, + err: msgs::LightningError, shutdown_finish: Option<(ShutdownResult, Option)>, } impl MsgHandleErrInternal { #[inline] fn send_err_msg_no_close(err: &'static str, channel_id: [u8; 32]) -> Self { Self { - err: HandleError { + err: LightningError { err, action: Some(msgs::ErrorAction::SendErrorMessage { msg: msgs::ErrorMessage { @@ -165,7 +165,7 @@ impl MsgHandleErrInternal { #[inline] fn ignore_no_close(err: &'static str) -> Self { Self { - err: HandleError { + err: LightningError { err, action: Some(msgs::ErrorAction::IgnoreError), }, @@ -173,13 +173,13 @@ impl MsgHandleErrInternal { } } #[inline] - fn from_no_close(err: msgs::HandleError) -> Self { + fn from_no_close(err: msgs::LightningError) -> Self { Self { err, shutdown_finish: None } } #[inline] fn from_finish_shutdown(err: &'static str, channel_id: [u8; 32], shutdown_res: ShutdownResult, channel_update: Option) -> Self { Self { - err: HandleError { + err: LightningError { err, action: Some(msgs::ErrorAction::SendErrorMessage { msg: msgs::ErrorMessage { @@ -195,11 +195,11 @@ impl MsgHandleErrInternal { fn from_chan_no_close(err: ChannelError, channel_id: [u8; 32]) -> Self { Self { err: match err { - ChannelError::Ignore(msg) => HandleError { + ChannelError::Ignore(msg) => LightningError { err: msg, action: Some(msgs::ErrorAction::IgnoreError), }, - ChannelError::Close(msg) => HandleError { + ChannelError::Close(msg) => LightningError { err: msg, action: Some(msgs::ErrorAction::SendErrorMessage { msg: msgs::ErrorMessage { @@ -208,7 +208,7 @@ impl MsgHandleErrInternal { }, }), }, - ChannelError::CloseDelayBroadcast { msg, .. } => HandleError { + ChannelError::CloseDelayBroadcast { msg, .. } => LightningError { err: msg, action: Some(msgs::ErrorAction::SendErrorMessage { msg: msgs::ErrorMessage { @@ -1009,9 +1009,9 @@ impl ChannelManager { /// only fails if the channel does not yet have an assigned short_id /// May be called with channel_state already locked! - fn get_channel_update(&self, chan: &Channel) -> Result { + fn get_channel_update(&self, chan: &Channel) -> Result { let short_channel_id = match chan.get_short_channel_id() { - None => return Err(HandleError{err: "Channel not yet established", action: None}), + None => return Err(LightningError{err: "Channel not yet established", action: None}), Some(id) => id, }; @@ -1488,7 +1488,7 @@ impl ChannelManager { log_trace!(self, "Failing outbound payment HTLC with payment_hash {}", log_bytes!(payment_hash.0)); mem::drop(channel_state_lock); match &onion_error { - &HTLCFailReason::ErrorPacket { ref err } => { + &HTLCFailReason::LightningError { ref err } => { #[cfg(test)] let (channel_update, payment_retryable, onion_error_code) = onion_utils::process_onion_failure(&self.secp_ctx, &self.logger, &source, err.data.clone()); #[cfg(not(test))] @@ -1541,8 +1541,8 @@ impl ChannelManager { let packet = onion_utils::build_failure_packet(&incoming_packet_shared_secret, failure_code, &data[..]).encode(); onion_utils::encrypt_failure_packet(&incoming_packet_shared_secret, &packet) }, - HTLCFailReason::ErrorPacket { err } => { - log_trace!(self, "Failing HTLC with payment_hash {} backwards with pre-built ErrorPacket", log_bytes!(payment_hash.0)); + HTLCFailReason::LightningError { err } => { + log_trace!(self, "Failing HTLC with payment_hash {} backwards with pre-built LightningError", log_bytes!(payment_hash.0)); onion_utils::encrypt_failure_packet(&incoming_packet_shared_secret, &err.data) } }; @@ -2118,7 +2118,7 @@ impl ChannelManager { //TODO: here and below MsgHandleErrInternal, #153 case return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id)); } - try_chan_entry!(self, chan.get_mut().update_fail_htlc(&msg, HTLCFailReason::ErrorPacket { err: msg.reason.clone() }), channel_state, chan); + try_chan_entry!(self, chan.get_mut().update_fail_htlc(&msg, HTLCFailReason::LightningError { err: msg.reason.clone() }), channel_state, chan); }, hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id)) } @@ -2292,7 +2292,7 @@ impl ChannelManager { return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id)); } if !chan.get().is_usable() { - return Err(MsgHandleErrInternal::from_no_close(HandleError{err: "Got an announcement_signatures before we were ready for it", action: Some(msgs::ErrorAction::IgnoreError)})); + return Err(MsgHandleErrInternal::from_no_close(LightningError{err: "Got an announcement_signatures before we were ready for it", action: Some(msgs::ErrorAction::IgnoreError)})); } let our_node_id = self.get_our_node_id(); @@ -2626,82 +2626,82 @@ impl ChainListener for ChannelManager { impl ChannelMessageHandler for ChannelManager { //TODO: Handle errors and close channel (or so) - fn handle_open_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::OpenChannel) -> Result<(), HandleError> { + fn handle_open_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::OpenChannel) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_open_channel(their_node_id, their_local_features, msg)) } - fn handle_accept_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::AcceptChannel) -> Result<(), HandleError> { + fn handle_accept_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::AcceptChannel) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_accept_channel(their_node_id, their_local_features, msg)) } - fn handle_funding_created(&self, their_node_id: &PublicKey, msg: &msgs::FundingCreated) -> Result<(), HandleError> { + fn handle_funding_created(&self, their_node_id: &PublicKey, msg: &msgs::FundingCreated) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_funding_created(their_node_id, msg)) } - fn handle_funding_signed(&self, their_node_id: &PublicKey, msg: &msgs::FundingSigned) -> Result<(), HandleError> { + fn handle_funding_signed(&self, their_node_id: &PublicKey, msg: &msgs::FundingSigned) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_funding_signed(their_node_id, msg)) } - fn handle_funding_locked(&self, their_node_id: &PublicKey, msg: &msgs::FundingLocked) -> Result<(), HandleError> { + fn handle_funding_locked(&self, their_node_id: &PublicKey, msg: &msgs::FundingLocked) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_funding_locked(their_node_id, msg)) } - fn handle_shutdown(&self, their_node_id: &PublicKey, msg: &msgs::Shutdown) -> Result<(), HandleError> { + fn handle_shutdown(&self, their_node_id: &PublicKey, msg: &msgs::Shutdown) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_shutdown(their_node_id, msg)) } - fn handle_closing_signed(&self, their_node_id: &PublicKey, msg: &msgs::ClosingSigned) -> Result<(), HandleError> { + fn handle_closing_signed(&self, their_node_id: &PublicKey, msg: &msgs::ClosingSigned) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_closing_signed(their_node_id, msg)) } - fn handle_update_add_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateAddHTLC) -> Result<(), msgs::HandleError> { + fn handle_update_add_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateAddHTLC) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_update_add_htlc(their_node_id, msg)) } - fn handle_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) -> Result<(), HandleError> { + fn handle_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_update_fulfill_htlc(their_node_id, msg)) } - fn handle_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailHTLC) -> Result<(), HandleError> { + fn handle_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailHTLC) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_update_fail_htlc(their_node_id, msg)) } - fn handle_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), HandleError> { + fn handle_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_update_fail_malformed_htlc(their_node_id, msg)) } - fn handle_commitment_signed(&self, their_node_id: &PublicKey, msg: &msgs::CommitmentSigned) -> Result<(), HandleError> { + fn handle_commitment_signed(&self, their_node_id: &PublicKey, msg: &msgs::CommitmentSigned) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_commitment_signed(their_node_id, msg)) } - fn handle_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &msgs::RevokeAndACK) -> Result<(), HandleError> { + fn handle_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &msgs::RevokeAndACK) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_revoke_and_ack(their_node_id, msg)) } - fn handle_update_fee(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFee) -> Result<(), HandleError> { + fn handle_update_fee(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFee) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_update_fee(their_node_id, msg)) } - fn handle_announcement_signatures(&self, their_node_id: &PublicKey, msg: &msgs::AnnouncementSignatures) -> Result<(), HandleError> { + fn handle_announcement_signatures(&self, their_node_id: &PublicKey, msg: &msgs::AnnouncementSignatures) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_announcement_signatures(their_node_id, msg)) } - fn handle_channel_reestablish(&self, their_node_id: &PublicKey, msg: &msgs::ChannelReestablish) -> Result<(), HandleError> { + fn handle_channel_reestablish(&self, their_node_id: &PublicKey, msg: &msgs::ChannelReestablish) -> Result<(), LightningError> { let _ = self.total_consistency_lock.read().unwrap(); handle_error!(self, self.internal_channel_reestablish(their_node_id, msg)) } @@ -2946,7 +2946,7 @@ impl Readable for HTLCSource { impl Writeable for HTLCFailReason { fn write(&self, writer: &mut W) -> Result<(), ::std::io::Error> { match self { - &HTLCFailReason::ErrorPacket { ref err } => { + &HTLCFailReason::LightningError { ref err } => { 0u8.write(writer)?; err.write(writer)?; }, @@ -2963,7 +2963,7 @@ impl Writeable for HTLCFailReason { impl Readable for HTLCFailReason { fn read(reader: &mut R) -> Result { match >::read(reader)? { - 0 => Ok(HTLCFailReason::ErrorPacket { err: Readable::read(reader)? }), + 0 => Ok(HTLCFailReason::LightningError { err: Readable::read(reader)? }), 1 => Ok(HTLCFailReason::Reason { failure_code: Readable::read(reader)?, data: Readable::read(reader)?, diff --git a/src/ln/functional_tests.rs b/src/ln/functional_tests.rs index 044c1673..611b94f1 100644 --- a/src/ln/functional_tests.rs +++ b/src/ln/functional_tests.rs @@ -70,10 +70,10 @@ fn test_insane_channel_opens() { // that supposedly makes the channel open message insane let insane_open_helper = |expected_error_str, message_mutator: fn(msgs::OpenChannel) -> msgs::OpenChannel| { match nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), LocalFeatures::new(), &message_mutator(open_channel_message.clone())) { - Err(msgs::HandleError{ err: error_str, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) => { - assert_eq!(error_str, expected_error_str, "unexpected HandleError string (expected `{}`, actual `{}`)", expected_error_str, error_str) + Err(msgs::LightningError{ err: error_str, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) => { + assert_eq!(error_str, expected_error_str, "unexpected LightningError string (expected `{}`, actual `{}`)", expected_error_str, error_str) }, - Err(msgs::HandleError{..}) => {panic!("unexpected HandleError action")}, + Err(msgs::LightningError{..}) => {panic!("unexpected LightningError action")}, _ => panic!("insane OpenChannel message was somehow Ok"), } }; @@ -952,7 +952,7 @@ fn do_test_shutdown_rebroadcast(recv_count: u8) { // transaction. assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); - if let Err(msgs::HandleError{action: Some(msgs::ErrorAction::SendErrorMessage{msg}), ..}) = + if let Err(msgs::LightningError{action: Some(msgs::ErrorAction::SendErrorMessage{msg}), ..}) = nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &node_0_2nd_reestablish) { nodes[0].node.handle_error(&nodes[1].node.get_our_node_id(), &msg); let msgs::ErrorMessage {ref channel_id, ..} = msg; @@ -1246,7 +1246,7 @@ fn duplicate_htlc_test() { } fn do_channel_reserve_test(test_recv: bool) { - use ln::msgs::HandleError; + use ln::msgs::LightningError; let mut nodes = create_network(3, &[None, None, None]); let chan_1 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1900, 1001, LocalFeatures::new(), LocalFeatures::new()); @@ -1382,7 +1382,7 @@ fn do_channel_reserve_test(test_recv: bool) { if test_recv { let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &msg).err().unwrap(); match err { - HandleError{err, .. } => assert_eq!(err, "Remote HTLC add would put them over their reserve value"), + LightningError{err, .. } => assert_eq!(err, "Remote HTLC add would put them over their reserve value"), } // If we send a garbage message, the channel should get closed, making the rest of this test case fail. assert_eq!(nodes[1].node.list_channels().len(), 1); @@ -3455,7 +3455,7 @@ fn test_manager_serialize_deserialize_inconsistent_monitor() { nodes[3].node.peer_connected(&nodes[0].node.get_our_node_id()); let reestablish = get_event_msg!(nodes[3], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id()); nodes[0].node.peer_connected(&nodes[3].node.get_our_node_id()); - if let Err(msgs::HandleError { action: Some(msgs::ErrorAction::SendErrorMessage { msg }), .. }) = nodes[0].node.handle_channel_reestablish(&nodes[3].node.get_our_node_id(), &reestablish) { + if let Err(msgs::LightningError { action: Some(msgs::ErrorAction::SendErrorMessage { msg }), .. }) = nodes[0].node.handle_channel_reestablish(&nodes[3].node.get_our_node_id(), &reestablish) { assert_eq!(msg.channel_id, channel_id); } else { panic!("Unexpected result"); } } @@ -5101,7 +5101,7 @@ fn test_update_add_htlc_bolt2_receiver_check_amount_received_more_than_min() { let mut updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id()); updates.update_add_htlcs[0].amount_msat = htlc_minimum_msat-1; let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err, "Remote side tried to send less than our minimum HTLC value"); } else { assert!(false); @@ -5127,7 +5127,7 @@ fn test_update_add_htlc_bolt2_receiver_sender_can_afford_amount_sent() { updates.update_add_htlcs[0].amount_msat = 5000000-their_channel_reserve+1; let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err, "Remote HTLC add would put them over their reserve value"); } else { assert!(false); @@ -5174,7 +5174,7 @@ fn test_update_add_htlc_bolt2_receiver_check_max_htlc_limit() { msg.htlc_id = (super::channel::OUR_MAX_HTLCS) as u64; let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &msg); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err, "Remote tried to push more than our max accepted HTLCs"); } else { assert!(false); @@ -5197,7 +5197,7 @@ fn test_update_add_htlc_bolt2_receiver_check_max_in_flight_msat() { updates.update_add_htlcs[0].amount_msat = get_channel_value_stat!(nodes[1], chan.2).their_max_htlc_value_in_flight_msat + 1; let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err,"Remote HTLC add would put them over our max HTLC value"); } else { assert!(false); @@ -5220,7 +5220,7 @@ fn test_update_add_htlc_bolt2_receiver_check_cltv_expiry() { updates.update_add_htlcs[0].cltv_expiry = 500000000; let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err,"Remote provided CLTV expiry in seconds instead of block height"); } else { assert!(false); @@ -5266,7 +5266,7 @@ fn test_update_add_htlc_bolt2_receiver_check_repeated_id_ignore() { let _bs_responses = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id()); let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err, "Remote skipped HTLC ID"); } else { assert!(false); @@ -5298,7 +5298,7 @@ fn test_update_fulfill_htlc_bolt2_update_fulfill_htlc_before_commitment() { let err = nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &update_msg); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err, "Remote tried to fulfill/fail HTLC before it had been committed"); } else { assert!(false); @@ -5330,7 +5330,7 @@ fn test_update_fulfill_htlc_bolt2_update_fail_htlc_before_commitment() { let err = nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &update_msg); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err, "Remote tried to fulfill/fail HTLC before it had been committed"); } else { assert!(false); @@ -5363,7 +5363,7 @@ fn test_update_fulfill_htlc_bolt2_update_fail_malformed_htlc_before_commitment() let err = nodes[0].node.handle_update_fail_malformed_htlc(&nodes[1].node.get_our_node_id(), &update_msg); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err, "Remote tried to fulfill/fail HTLC before it had been committed"); } else { assert!(false); @@ -5404,7 +5404,7 @@ fn test_update_fulfill_htlc_bolt2_incorrect_htlc_id() { update_fulfill_msg.htlc_id = 1; let err = nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &update_fulfill_msg); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err, "Remote tried to fulfill/fail an HTLC we couldn't find"); } else { assert!(false); @@ -5445,7 +5445,7 @@ fn test_update_fulfill_htlc_bolt2_wrong_preimage() { update_fulfill_msg.payment_preimage = PaymentPreimage([1; 32]); let err = nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &update_fulfill_msg); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err, "Remote tried to fulfill HTLC with an incorrect preimage"); } else { assert!(false); @@ -5491,7 +5491,7 @@ fn test_update_fulfill_htlc_bolt2_missing_badonion_bit_for_malformed_htlc_messag }; update_msg.failure_code &= !0x8000; let err = nodes[0].node.handle_update_fail_malformed_htlc(&nodes[1].node.get_our_node_id(), &update_msg); - if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { + if let Err(msgs::LightningError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err { assert_eq!(err, "Got update_fail_malformed_htlc with BADONION not set"); } else { assert!(false); diff --git a/src/ln/msgs.rs b/src/ln/msgs.rs index 0e6c4b95..6939af13 100644 --- a/src/ln/msgs.rs +++ b/src/ln/msgs.rs @@ -525,7 +525,7 @@ pub struct ChannelUpdate { pub(crate) contents: UnsignedChannelUpdate, } -/// Used to put an error message in a HandleError +/// Used to put an error message in a LightningError #[derive(Clone)] pub enum ErrorAction { /// The peer took some action which made us think they were useless. Disconnect them. @@ -543,7 +543,7 @@ pub enum ErrorAction { } /// An Err type for failure to process messages. -pub struct HandleError { //TODO: rename me +pub struct LightningError { /// A human-readable message describing the error pub err: &'static str, /// The action which should be taken against the offending peer. @@ -616,42 +616,42 @@ pub enum OptionalField { pub trait ChannelMessageHandler : events::MessageSendEventsProvider + Send + Sync { //Channel init: /// Handle an incoming open_channel message from the given peer. - fn handle_open_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &OpenChannel) -> Result<(), HandleError>; + fn handle_open_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &OpenChannel) -> Result<(), LightningError>; /// Handle an incoming accept_channel message from the given peer. - fn handle_accept_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &AcceptChannel) -> Result<(), HandleError>; + fn handle_accept_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &AcceptChannel) -> Result<(), LightningError>; /// Handle an incoming funding_created message from the given peer. - fn handle_funding_created(&self, their_node_id: &PublicKey, msg: &FundingCreated) -> Result<(), HandleError>; + fn handle_funding_created(&self, their_node_id: &PublicKey, msg: &FundingCreated) -> Result<(), LightningError>; /// Handle an incoming funding_signed message from the given peer. - fn handle_funding_signed(&self, their_node_id: &PublicKey, msg: &FundingSigned) -> Result<(), HandleError>; + fn handle_funding_signed(&self, their_node_id: &PublicKey, msg: &FundingSigned) -> Result<(), LightningError>; /// Handle an incoming funding_locked message from the given peer. - fn handle_funding_locked(&self, their_node_id: &PublicKey, msg: &FundingLocked) -> Result<(), HandleError>; + fn handle_funding_locked(&self, their_node_id: &PublicKey, msg: &FundingLocked) -> Result<(), LightningError>; // Channl close: /// Handle an incoming shutdown message from the given peer. - fn handle_shutdown(&self, their_node_id: &PublicKey, msg: &Shutdown) -> Result<(), HandleError>; + fn handle_shutdown(&self, their_node_id: &PublicKey, msg: &Shutdown) -> Result<(), LightningError>; /// Handle an incoming closing_signed message from the given peer. - fn handle_closing_signed(&self, their_node_id: &PublicKey, msg: &ClosingSigned) -> Result<(), HandleError>; + fn handle_closing_signed(&self, their_node_id: &PublicKey, msg: &ClosingSigned) -> Result<(), LightningError>; // HTLC handling: /// Handle an incoming update_add_htlc message from the given peer. - fn handle_update_add_htlc(&self, their_node_id: &PublicKey, msg: &UpdateAddHTLC) -> Result<(), HandleError>; + fn handle_update_add_htlc(&self, their_node_id: &PublicKey, msg: &UpdateAddHTLC) -> Result<(), LightningError>; /// Handle an incoming update_fulfill_htlc message from the given peer. - fn handle_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFulfillHTLC) -> Result<(), HandleError>; + fn handle_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFulfillHTLC) -> Result<(), LightningError>; /// Handle an incoming update_fail_htlc message from the given peer. - fn handle_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFailHTLC) -> Result<(), HandleError>; + fn handle_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFailHTLC) -> Result<(), LightningError>; /// Handle an incoming update_fail_malformed_htlc message from the given peer. - fn handle_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFailMalformedHTLC) -> Result<(), HandleError>; + fn handle_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFailMalformedHTLC) -> Result<(), LightningError>; /// Handle an incoming commitment_signed message from the given peer. - fn handle_commitment_signed(&self, their_node_id: &PublicKey, msg: &CommitmentSigned) -> Result<(), HandleError>; + fn handle_commitment_signed(&self, their_node_id: &PublicKey, msg: &CommitmentSigned) -> Result<(), LightningError>; /// Handle an incoming revoke_and_ack message from the given peer. - fn handle_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &RevokeAndACK) -> Result<(), HandleError>; + fn handle_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &RevokeAndACK) -> Result<(), LightningError>; /// Handle an incoming update_fee message from the given peer. - fn handle_update_fee(&self, their_node_id: &PublicKey, msg: &UpdateFee) -> Result<(), HandleError>; + fn handle_update_fee(&self, their_node_id: &PublicKey, msg: &UpdateFee) -> Result<(), LightningError>; // Channel-to-announce: /// Handle an incoming announcement_signatures message from the given peer. - fn handle_announcement_signatures(&self, their_node_id: &PublicKey, msg: &AnnouncementSignatures) -> Result<(), HandleError>; + fn handle_announcement_signatures(&self, their_node_id: &PublicKey, msg: &AnnouncementSignatures) -> Result<(), LightningError>; // Connection loss/reestablish: /// Indicates a connection to the peer failed/an existing connection was lost. If no connection @@ -663,7 +663,7 @@ pub trait ChannelMessageHandler : events::MessageSendEventsProvider + Send + Syn /// Handle a peer reconnecting, possibly generating channel_reestablish message(s). fn peer_connected(&self, their_node_id: &PublicKey); /// Handle an incoming channel_reestablish message from the given peer. - fn handle_channel_reestablish(&self, their_node_id: &PublicKey, msg: &ChannelReestablish) -> Result<(), HandleError>; + fn handle_channel_reestablish(&self, their_node_id: &PublicKey, msg: &ChannelReestablish) -> Result<(), LightningError>; // Error: /// Handle an incoming error message from the given peer. @@ -674,13 +674,13 @@ pub trait ChannelMessageHandler : events::MessageSendEventsProvider + Send + Syn pub trait RoutingMessageHandler : Send + Sync { /// Handle an incoming node_announcement message, returning true if it should be forwarded on, /// false or returning an Err otherwise. - fn handle_node_announcement(&self, msg: &NodeAnnouncement) -> Result; + fn handle_node_announcement(&self, msg: &NodeAnnouncement) -> Result; /// Handle a channel_announcement message, returning true if it should be forwarded on, false /// or returning an Err otherwise. - fn handle_channel_announcement(&self, msg: &ChannelAnnouncement) -> Result; + fn handle_channel_announcement(&self, msg: &ChannelAnnouncement) -> Result; /// Handle an incoming channel_update message, returning true if it should be forwarded on, /// false or returning an Err otherwise. - fn handle_channel_update(&self, msg: &ChannelUpdate) -> Result; + fn handle_channel_update(&self, msg: &ChannelUpdate) -> Result; /// Handle some updates to the route graph that we learned due to an outbound failed payment. fn handle_htlc_fail_channel_update(&self, update: &HTLCFailChannelUpdate); /// Gets a subset of the channel announcements and updates required to dump our routing table @@ -770,7 +770,7 @@ impl fmt::Display for DecodeError { } } -impl fmt::Debug for HandleError { +impl fmt::Debug for LightningError { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { f.write_str(self.err) } diff --git a/src/ln/peer_channel_encryptor.rs b/src/ln/peer_channel_encryptor.rs index 9d716a2d..ac23041a 100644 --- a/src/ln/peer_channel_encryptor.rs +++ b/src/ln/peer_channel_encryptor.rs @@ -1,4 +1,4 @@ -use ln::msgs::HandleError; +use ln::msgs::LightningError; use ln::msgs; use bitcoin_hashes::{Hash, HashEngine, Hmac, HmacEngine}; @@ -133,13 +133,13 @@ impl PeerChannelEncryptor { } #[inline] - fn decrypt_with_ad(res: &mut[u8], n: u64, key: &[u8; 32], h: &[u8], cyphertext: &[u8]) -> Result<(), HandleError> { + fn decrypt_with_ad(res: &mut[u8], n: u64, key: &[u8; 32], h: &[u8], cyphertext: &[u8]) -> Result<(), LightningError> { let mut nonce = [0; 12]; nonce[4..].copy_from_slice(&byte_utils::le64_to_array(n)); let mut chacha = ChaCha20Poly1305RFC::new(key, &nonce, h); if !chacha.decrypt(&cyphertext[0..cyphertext.len() - 16], res, &cyphertext[cyphertext.len() - 16..]) { - return Err(HandleError{err: "Bad MAC", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}); + return Err(LightningError{err: "Bad MAC", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}); } Ok(()) } @@ -189,15 +189,15 @@ impl PeerChannelEncryptor { } #[inline] - fn inbound_noise_act(state: &mut BidirectionalNoiseState, act: &[u8], our_key: &SecretKey) -> Result<(PublicKey, [u8; 32]), HandleError> { + fn inbound_noise_act(state: &mut BidirectionalNoiseState, act: &[u8], our_key: &SecretKey) -> Result<(PublicKey, [u8; 32]), LightningError> { assert_eq!(act.len(), 50); if act[0] != 0 { - return Err(HandleError{err: "Unknown handshake version number", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}); + return Err(LightningError{err: "Unknown handshake version number", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}); } let their_pub = match PublicKey::from_slice(&act[1..34]) { - Err(_) => return Err(HandleError{err: "Invalid public key", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}), + Err(_) => return Err(LightningError{err: "Invalid public key", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}), Ok(key) => key, }; @@ -239,7 +239,7 @@ impl PeerChannelEncryptor { } } - pub fn process_act_one_with_keys(&mut self, act_one: &[u8], our_node_secret: &SecretKey, our_ephemeral: SecretKey) -> Result<[u8; 50], HandleError> { + pub fn process_act_one_with_keys(&mut self, act_one: &[u8], our_node_secret: &SecretKey, our_ephemeral: SecretKey) -> Result<[u8; 50], LightningError> { assert_eq!(act_one.len(), 50); match self.noise_state { @@ -266,7 +266,7 @@ impl PeerChannelEncryptor { } } - pub fn process_act_two(&mut self, act_two: &[u8], our_node_secret: &SecretKey) -> Result<([u8; 66], PublicKey), HandleError> { + pub fn process_act_two(&mut self, act_two: &[u8], our_node_secret: &SecretKey) -> Result<([u8; 66], PublicKey), LightningError> { assert_eq!(act_two.len(), 50); let final_hkdf; @@ -317,7 +317,7 @@ impl PeerChannelEncryptor { Ok((res, self.their_node_id.unwrap().clone())) } - pub fn process_act_three(&mut self, act_three: &[u8]) -> Result { + pub fn process_act_three(&mut self, act_three: &[u8]) -> Result { assert_eq!(act_three.len(), 66); let final_hkdf; @@ -330,14 +330,14 @@ impl PeerChannelEncryptor { panic!("Requested act at wrong step"); } if act_three[0] != 0 { - return Err(HandleError{err: "Unknown handshake version number", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}); + return Err(LightningError{err: "Unknown handshake version number", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}); } let mut their_node_id = [0; 33]; PeerChannelEncryptor::decrypt_with_ad(&mut their_node_id, 1, &temp_k2.unwrap(), &bidirectional_state.h, &act_three[1..50])?; self.their_node_id = Some(match PublicKey::from_slice(&their_node_id) { Ok(key) => key, - Err(_) => return Err(HandleError{err: "Bad node_id from peer", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}), + Err(_) => return Err(LightningError{err: "Bad node_id from peer", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}), }); let mut sha = Sha256::engine(); @@ -403,7 +403,7 @@ impl PeerChannelEncryptor { /// Decrypts a message length header from the remote peer. /// panics if noise handshake has not yet finished or msg.len() != 18 - pub fn decrypt_length_header(&mut self, msg: &[u8]) -> Result { + pub fn decrypt_length_header(&mut self, msg: &[u8]) -> Result { assert_eq!(msg.len(), 16+2); match self.noise_state { @@ -426,7 +426,7 @@ impl PeerChannelEncryptor { /// Decrypts the given message. /// panics if msg.len() > 65535 + 16 - pub fn decrypt_message(&mut self, msg: &[u8]) -> Result, HandleError> { + pub fn decrypt_message(&mut self, msg: &[u8]) -> Result, LightningError> { if msg.len() > 65535 + 16 { panic!("Attempted to encrypt message longer than 65535 bytes!"); } diff --git a/src/ln/router.rs b/src/ln/router.rs index bb20c31c..5071919c 100644 --- a/src/ln/router.rs +++ b/src/ln/router.rs @@ -14,7 +14,7 @@ use bitcoin::blockdata::opcodes; use chain::chaininterface::{ChainError, ChainWatchInterface}; use ln::channelmanager; -use ln::msgs::{DecodeError,ErrorAction,HandleError,RoutingMessageHandler,NetAddress,GlobalFeatures}; +use ln::msgs::{DecodeError,ErrorAction,LightningError,RoutingMessageHandler,NetAddress,GlobalFeatures}; use ln::msgs; use util::ser::{Writeable, Readable, Writer, ReadableArgs}; use util::logger::Logger; @@ -404,13 +404,13 @@ macro_rules! secp_verify_sig { ( $secp_ctx: expr, $msg: expr, $sig: expr, $pubkey: expr ) => { match $secp_ctx.verify($msg, $sig, $pubkey) { Ok(_) => {}, - Err(_) => return Err(HandleError{err: "Invalid signature from remote node", action: None}), + Err(_) => return Err(LightningError{err: "Invalid signature from remote node", action: None}), } }; } impl RoutingMessageHandler for Router { - fn handle_node_announcement(&self, msg: &msgs::NodeAnnouncement) -> Result { + fn handle_node_announcement(&self, msg: &msgs::NodeAnnouncement) -> Result { let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]); secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.signature, &msg.contents.node_id); @@ -420,10 +420,10 @@ impl RoutingMessageHandler for Router { let mut network = self.network_map.write().unwrap(); match network.nodes.get_mut(&msg.contents.node_id) { - None => Err(HandleError{err: "No existing channels for node_announcement", action: Some(ErrorAction::IgnoreError)}), + None => Err(LightningError{err: "No existing channels for node_announcement", action: Some(ErrorAction::IgnoreError)}), Some(node) => { if node.last_update >= msg.contents.timestamp { - return Err(HandleError{err: "Update older than last processed update", action: Some(ErrorAction::IgnoreError)}); + return Err(LightningError{err: "Update older than last processed update", action: Some(ErrorAction::IgnoreError)}); } node.features = msg.contents.features.clone(); @@ -439,9 +439,9 @@ impl RoutingMessageHandler for Router { } } - fn handle_channel_announcement(&self, msg: &msgs::ChannelAnnouncement) -> Result { + fn handle_channel_announcement(&self, msg: &msgs::ChannelAnnouncement) -> Result { if msg.contents.node_id_1 == msg.contents.node_id_2 || msg.contents.bitcoin_key_1 == msg.contents.bitcoin_key_2 { - return Err(HandleError{err: "Channel announcement node had a channel with itself", action: Some(ErrorAction::IgnoreError)}); + return Err(LightningError{err: "Channel announcement node had a channel with itself", action: Some(ErrorAction::IgnoreError)}); } let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]); @@ -462,7 +462,7 @@ impl RoutingMessageHandler for Router { .push_opcode(opcodes::all::OP_PUSHNUM_2) .push_opcode(opcodes::all::OP_CHECKMULTISIG).into_script().to_v0_p2wsh(); if script_pubkey != expected_script { - return Err(HandleError{err: "Channel announcement keys didn't match on-chain script", action: Some(ErrorAction::IgnoreError)}); + return Err(LightningError{err: "Channel announcement keys didn't match on-chain script", action: Some(ErrorAction::IgnoreError)}); } //TODO: Check if value is worth storing, use it to inform routing, and compare it //to the new HTLC max field in channel_update @@ -473,10 +473,10 @@ impl RoutingMessageHandler for Router { false }, Err(ChainError::NotWatched) => { - return Err(HandleError{err: "Channel announced on an unknown chain", action: Some(ErrorAction::IgnoreError)}); + return Err(LightningError{err: "Channel announced on an unknown chain", action: Some(ErrorAction::IgnoreError)}); }, Err(ChainError::UnknownTx) => { - return Err(HandleError{err: "Channel announced without corresponding UTXO entry", action: Some(ErrorAction::IgnoreError)}); + return Err(LightningError{err: "Channel announced without corresponding UTXO entry", action: Some(ErrorAction::IgnoreError)}); }, }; @@ -527,7 +527,7 @@ impl RoutingMessageHandler for Router { Self::remove_channel_in_nodes(network.nodes, &entry.get(), msg.contents.short_channel_id); *entry.get_mut() = chan_info; } else { - return Err(HandleError{err: "Already have knowledge of channel", action: Some(ErrorAction::IgnoreError)}) + return Err(LightningError{err: "Already have knowledge of channel", action: Some(ErrorAction::IgnoreError)}) } }, BtreeEntry::Vacant(entry) => { @@ -592,19 +592,19 @@ impl RoutingMessageHandler for Router { } } - fn handle_channel_update(&self, msg: &msgs::ChannelUpdate) -> Result { + fn handle_channel_update(&self, msg: &msgs::ChannelUpdate) -> Result { let mut network = self.network_map.write().unwrap(); let dest_node_id; let chan_enabled = msg.contents.flags & (1 << 1) != (1 << 1); let chan_was_enabled; match network.channels.get_mut(&NetworkMap::get_key(msg.contents.short_channel_id, msg.contents.chain_hash)) { - None => return Err(HandleError{err: "Couldn't find channel for update", action: Some(ErrorAction::IgnoreError)}), + None => return Err(LightningError{err: "Couldn't find channel for update", action: Some(ErrorAction::IgnoreError)}), Some(channel) => { macro_rules! maybe_update_channel_info { ( $target: expr) => { if $target.last_update >= msg.contents.timestamp { - return Err(HandleError{err: "Update older than last processed update", action: Some(ErrorAction::IgnoreError)}); + return Err(LightningError{err: "Update older than last processed update", action: Some(ErrorAction::IgnoreError)}); } chan_was_enabled = $target.enabled; $target.last_update = msg.contents.timestamp; @@ -824,17 +824,17 @@ impl Router { /// The fees on channels from us to next-hops are ignored (as they are assumed to all be /// equal), however the enabled/disabled bit on such channels as well as the htlc_minimum_msat /// *is* checked as they may change based on the receiving node. - pub fn get_route(&self, target: &PublicKey, first_hops: Option<&[channelmanager::ChannelDetails]>, last_hops: &[RouteHint], final_value_msat: u64, final_cltv: u32) -> Result { + pub fn get_route(&self, target: &PublicKey, first_hops: Option<&[channelmanager::ChannelDetails]>, last_hops: &[RouteHint], final_value_msat: u64, final_cltv: u32) -> Result { // TODO: Obviously *only* using total fee cost sucks. We should consider weighting by // uptime/success in using a node in the past. let network = self.network_map.read().unwrap(); if *target == network.our_node_id { - return Err(HandleError{err: "Cannot generate a route to ourselves", action: None}); + return Err(LightningError{err: "Cannot generate a route to ourselves", action: None}); } if final_value_msat > 21_000_000 * 1_0000_0000 * 1000 { - return Err(HandleError{err: "Cannot generate a route of more value than all existing satoshis", action: None}); + return Err(LightningError{err: "Cannot generate a route of more value than all existing satoshis", action: None}); } // We do a dest-to-source Dijkstra's sorting by each node's distance from the destination @@ -871,7 +871,7 @@ impl Router { first_hop_targets.insert(chan.remote_network_id, short_channel_id); } if first_hop_targets.is_empty() { - return Err(HandleError{err: "Cannot route when there are no outbound routes away from us", action: None}); + return Err(LightningError{err: "Cannot route when there are no outbound routes away from us", action: None}); } } @@ -985,7 +985,7 @@ impl Router { while res.last().unwrap().pubkey != *target { let new_entry = match dist.remove(&res.last().unwrap().pubkey) { Some(hop) => hop.3, - None => return Err(HandleError{err: "Failed to find a non-fee-overflowing path to the given destination", action: None}), + None => return Err(LightningError{err: "Failed to find a non-fee-overflowing path to the given destination", action: None}), }; res.last_mut().unwrap().fee_msat = new_entry.fee_msat; res.last_mut().unwrap().cltv_expiry_delta = new_entry.cltv_expiry_delta; @@ -1006,7 +1006,7 @@ impl Router { } } - Err(HandleError{err: "Failed to find a path to the given destination", action: None}) + Err(LightningError{err: "Failed to find a path to the given destination", action: None}) } } diff --git a/src/util/test_utils.rs b/src/util/test_utils.rs index cc6fe969..444225d4 100644 --- a/src/util/test_utils.rs +++ b/src/util/test_utils.rs @@ -5,7 +5,7 @@ use chain::keysinterface; use ln::channelmonitor; use ln::msgs; use ln::msgs::LocalFeatures; -use ln::msgs::{HandleError}; +use ln::msgs::{LightningError}; use ln::channelmonitor::HTLCUpdate; use util::events; use util::logger::{Logger, Level, Record}; @@ -98,53 +98,53 @@ impl TestChannelMessageHandler { } impl msgs::ChannelMessageHandler for TestChannelMessageHandler { - fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_local_features: LocalFeatures, _msg: &msgs::OpenChannel) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_local_features: LocalFeatures, _msg: &msgs::OpenChannel) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_local_features: LocalFeatures, _msg: &msgs::AcceptChannel) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_local_features: LocalFeatures, _msg: &msgs::AcceptChannel) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_shutdown(&self, _their_node_id: &PublicKey, _msg: &msgs::Shutdown) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_shutdown(&self, _their_node_id: &PublicKey, _msg: &msgs::Shutdown) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::ClosingSigned) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::ClosingSigned) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateAddHTLC) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateAddHTLC) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFulfillHTLC) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFulfillHTLC) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailHTLC) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailHTLC) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_commitment_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::CommitmentSigned) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_commitment_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::CommitmentSigned) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, _msg: &msgs::RevokeAndACK) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, _msg: &msgs::RevokeAndACK) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_update_fee(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFee) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_update_fee(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFee) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } - fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) -> Result<(), HandleError> { - Err(HandleError { err: "", action: None }) + fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) -> Result<(), LightningError> { + Err(LightningError { err: "", action: None }) } fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {} fn peer_connected(&self, _their_node_id: &PublicKey) {} @@ -168,14 +168,14 @@ impl TestRoutingMessageHandler { } } impl msgs::RoutingMessageHandler for TestRoutingMessageHandler { - fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result { - Err(HandleError { err: "", action: None }) + fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result { + Err(LightningError { err: "", action: None }) } - fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result { - Err(HandleError { err: "", action: None }) + fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result { + Err(LightningError { err: "", action: None }) } - fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result { - Err(HandleError { err: "", action: None }) + fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result { + Err(LightningError { err: "", action: None }) } fn handle_htlc_fail_channel_update(&self, _update: &msgs::HTLCFailChannelUpdate) {} fn get_next_channel_announcements(&self, _starting_point: u64, _batch_amount: u8) -> Vec<(msgs::ChannelAnnouncement, msgs::ChannelUpdate,msgs::ChannelUpdate)> { -- 2.30.2