From: Duncan Dean <git@dunxen.dev>
Date: Wed, 31 Jan 2024 05:58:56 +0000 (+0200)
Subject: Fix followups to PR2797
X-Git-Tag: v0.0.123-beta~88^2
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=361079d842444496cf52b2125f010f61a4ca5539;p=rust-lightning

Fix followups to PR2797
---

diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index b5fc9996e..3cab41ba7 100644
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -1636,9 +1636,6 @@ pub struct ChannelDetails {
 	pub counterparty: ChannelCounterparty,
 	/// The Channel's funding transaction output, if we've negotiated the funding transaction with
 	/// our counterparty already.
-	///
-	/// Note that, if this has been set, `channel_id` for V1-established channels will be equivalent to
-	/// `ChannelId::v1_from_funding_outpoint(funding_txo.unwrap())`.
 	pub funding_txo: Option<OutPoint>,
 	/// The features which this channel operates with. See individual features for more info.
 	///
@@ -2296,7 +2293,7 @@ macro_rules! handle_new_monitor_update {
 		handle_new_monitor_update!($self, $update_res, $chan, _internal,
 			handle_monitor_update_completion!($self, $peer_state_lock, $peer_state, $per_peer_state_lock, $chan))
 	};
-	($self: ident, $funding_txo: expr, $channel_id: expr, $update: expr, $peer_state_lock: expr, $peer_state: expr, $per_peer_state_lock: expr, $chan: expr) => { {
+	($self: ident, $funding_txo: expr, $update: expr, $peer_state_lock: expr, $peer_state: expr, $per_peer_state_lock: expr, $chan: expr) => { {
 		let in_flight_updates = $peer_state.in_flight_monitor_updates.entry($funding_txo)
 			.or_insert_with(Vec::new);
 		// During startup, we push monitor updates as background events through to here in
@@ -2753,7 +2750,7 @@ where
 
 						// Update the monitor with the shutdown script if necessary.
 						if let Some(monitor_update) = monitor_update_opt.take() {
-							handle_new_monitor_update!(self, funding_txo_opt.unwrap(), *channel_id, monitor_update,
+							handle_new_monitor_update!(self, funding_txo_opt.unwrap(), monitor_update,
 								peer_state_lock, peer_state, per_peer_state, chan);
 						}
 					} else {
@@ -3414,7 +3411,7 @@ where
 							}, onion_packet, None, &self.fee_estimator, &&logger);
 						match break_chan_phase_entry!(self, send_res, chan_phase_entry) {
 							Some(monitor_update) => {
-								match handle_new_monitor_update!(self, funding_txo, channel_id, monitor_update, peer_state_lock, peer_state, per_peer_state, chan) {
+								match handle_new_monitor_update!(self, funding_txo, monitor_update, peer_state_lock, peer_state, per_peer_state, chan) {
 									false => {
 										// Note that MonitorUpdateInProgress here indicates (per function
 										// docs) that we will resend the commitment update once monitor
@@ -4770,7 +4767,7 @@ where
 								hash_map::Entry::Occupied(mut chan_phase) => {
 									if let ChannelPhase::Funded(chan) = chan_phase.get_mut() {
 										updated_chan = true;
-										handle_new_monitor_update!(self, funding_txo, channel_id, update.clone(),
+										handle_new_monitor_update!(self, funding_txo, update.clone(),
 											peer_state_lock, peer_state, per_peer_state, chan);
 									} else {
 										debug_assert!(false, "We shouldn't have an update for a non-funded channel");
@@ -5574,7 +5571,7 @@ where
 									peer_state.monitor_update_blocked_actions.entry(chan_id).or_insert(Vec::new()).push(action);
 								}
 								if !during_init {
-									handle_new_monitor_update!(self, prev_hop.outpoint, prev_hop.channel_id, monitor_update, peer_state_lock,
+									handle_new_monitor_update!(self, prev_hop.outpoint, monitor_update, peer_state_lock,
 										peer_state, per_peer_state, chan);
 								} else {
 									// If we're running during init we cannot update a monitor directly -
@@ -6570,7 +6567,7 @@ where
 						}
 						// Update the monitor with the shutdown script if necessary.
 						if let Some(monitor_update) = monitor_update_opt {
-							handle_new_monitor_update!(self, funding_txo_opt.unwrap(), chan.context.channel_id(), monitor_update,
+							handle_new_monitor_update!(self, funding_txo_opt.unwrap(), monitor_update,
 								peer_state_lock, peer_state, per_peer_state, chan);
 						}
 					},
@@ -6852,7 +6849,7 @@ where
 					let funding_txo = chan.context.get_funding_txo();
 					let monitor_update_opt = try_chan_phase_entry!(self, chan.commitment_signed(&msg, &&logger), chan_phase_entry);
 					if let Some(monitor_update) = monitor_update_opt {
-						handle_new_monitor_update!(self, funding_txo.unwrap(), chan.context.channel_id(), monitor_update, peer_state_lock,
+						handle_new_monitor_update!(self, funding_txo.unwrap(), monitor_update, peer_state_lock,
 							peer_state, per_peer_state, chan);
 					}
 					Ok(())
@@ -7031,7 +7028,7 @@ where
 						if let Some(monitor_update) = monitor_update_opt {
 							let funding_txo = funding_txo_opt
 								.expect("Funding outpoint must have been set for RAA handling to succeed");
-							handle_new_monitor_update!(self, funding_txo, chan.context.channel_id(), monitor_update,
+							handle_new_monitor_update!(self, funding_txo, monitor_update,
 								peer_state_lock, peer_state, per_peer_state, chan);
 						}
 						htlcs_to_fail
@@ -7372,7 +7369,7 @@ where
 						if let Some(monitor_update) = monitor_opt {
 							has_monitor_update = true;
 
-							handle_new_monitor_update!(self, funding_txo.unwrap(), chan.context.channel_id(), monitor_update,
+							handle_new_monitor_update!(self, funding_txo.unwrap(), monitor_update,
 								peer_state_lock, peer_state, per_peer_state, chan);
 							continue 'peer_loop;
 						}
@@ -8141,7 +8138,7 @@ where
 						if let Some((monitor_update, further_update_exists)) = chan.unblock_next_blocked_monitor_update() {
 							log_debug!(logger, "Unlocking monitor updating for channel {} and updating monitor",
 								channel_id);
-							handle_new_monitor_update!(self, channel_funding_outpoint, channel_id, monitor_update,
+							handle_new_monitor_update!(self, channel_funding_outpoint, monitor_update,
 								peer_state_lck, peer_state, per_peer_state, chan);
 							if further_update_exists {
 								// If there are more `ChannelMonitorUpdate`s to process, restart at the
@@ -9816,7 +9813,7 @@ impl_writeable_tlv_based!(PendingAddHTLCInfo, {
 	(2, prev_short_channel_id, required),
 	(4, prev_htlc_id, required),
 	(6, prev_funding_outpoint, required),
-	// Note that by the time we get past the required read for type 2 above, prev_funding_outpoint will be
+	// Note that by the time we get past the required read for type 6 above, prev_funding_outpoint will be
 	// filled in, so we can safely unwrap it here.
 	(7, prev_channel_id, (default_value, ChannelId::v1_from_funding_outpoint(prev_funding_outpoint.0.unwrap()))),
 });
@@ -11079,12 +11076,11 @@ where
 								Some((blocked_node_id, _blocked_channel_outpoint, blocked_channel_id, blocking_action)), ..
 						} = action {
 							if let Some(blocked_peer_state) = per_peer_state.get(&blocked_node_id) {
-								let channel_id = blocked_channel_id;
 								log_trace!(logger,
 									"Holding the next revoke_and_ack from {} until the preimage is durably persisted in the inbound edge's ChannelMonitor",
-									channel_id);
+									blocked_channel_id);
 								blocked_peer_state.lock().unwrap().actions_blocking_raa_monitor_updates
-									.entry(*channel_id)
+									.entry(*blocked_channel_id)
 									.or_insert_with(Vec::new).push(blocking_action.clone());
 							} else {
 								// If the channel we were blocking has closed, we don't need to
diff --git a/lightning/src/ln/peer_handler.rs b/lightning/src/ln/peer_handler.rs
index 3b9f9848e..3e07f50b2 100644
--- a/lightning/src/ln/peer_handler.rs
+++ b/lightning/src/ln/peer_handler.rs
@@ -24,7 +24,6 @@ use crate::ln::ChannelId;
 use crate::ln::features::{InitFeatures, NodeFeatures};
 use crate::ln::msgs;
 use crate::ln::msgs::{ChannelMessageHandler, LightningError, SocketAddress, OnionMessageHandler, RoutingMessageHandler};
-use crate::util::macro_logger::DebugFundingChannelId;
 use crate::util::ser::{VecWriter, Writeable, Writer};
 use crate::ln::peer_channel_encryptor::{PeerChannelEncryptor, NextNoiseStep, MessageBuf, MSG_BUF_ALLOC_SIZE};
 use crate::ln::wire;
@@ -2007,7 +2006,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
 							log_debug!(WithContext::from(&self.logger, Some(*node_id), Some(msg.temporary_channel_id)), "Handling SendFundingCreated event in peer_handler for node {} for channel {} (which becomes {})",
 									log_pubkey!(node_id),
 									&msg.temporary_channel_id,
-									DebugFundingChannelId(&msg.funding_txid, msg.funding_output_index));
+									ChannelId::v1_from_funding_txid(msg.funding_txid.as_byte_array(), msg.funding_output_index));
 							// TODO: If the peer is gone we should generate a DiscardFunding event
 							// indicating to the wallet that they should just throw away this funding transaction
 							self.enqueue_message(&mut *get_peer_for_forwarding!(node_id), msg);
diff --git a/lightning/src/util/macro_logger.rs b/lightning/src/util/macro_logger.rs
index 55b11604d..f962251cd 100644
--- a/lightning/src/util/macro_logger.rs
+++ b/lightning/src/util/macro_logger.rs
@@ -7,11 +7,9 @@
 // You may not use this file except in accordance with one or both of these
 // licenses.
 
-use crate::chain::transaction::OutPoint;
 use crate::ln::ChannelId;
 use crate::sign::SpendableOutputDescriptor;
 
-use bitcoin::hash_types::Txid;
 use bitcoin::blockdata::transaction::Transaction;
 
 use crate::routing::router::Route;
@@ -39,13 +37,6 @@ macro_rules! log_bytes {
 	}
 }
 
-pub(crate) struct DebugFundingChannelId<'a>(pub &'a Txid, pub u16);
-impl<'a> core::fmt::Display for DebugFundingChannelId<'a> {
-	fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
-		ChannelId::v1_from_funding_outpoint(OutPoint { txid: self.0.clone(), index: self.1 }).fmt(f)
-	}
-}
-
 pub(crate) struct DebugFundingInfo<'a>(pub &'a ChannelId);
 impl<'a> core::fmt::Display for DebugFundingInfo<'a> {
 	fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {