Update splice messages according to new spec draft

Author: optout21

fuzz/src/msg_targets/gen_target.sh

@@ -64,6 +64,6 @@ GEN_TEST lightning::ln::msgs::TxAbort test_msg_simple ""
 
 GEN_TEST lightning::ln::msgs::Stfu test_msg_simple ""
 
-GEN_TEST lightning::ln::msgs::Splice test_msg_simple ""
+GEN_TEST lightning::ln::msgs::SpliceInit test_msg_simple ""
 GEN_TEST lightning::ln::msgs::SpliceAck test_msg_simple ""
 GEN_TEST lightning::ln::msgs::SpliceLocked test_msg_simple ""

fuzz/src/msg_targets/msg_splice.rs

@@ -17,11 +17,11 @@ use crate::utils::test_logger;
 
 #[inline]
 pub fn msg_splice_test<Out: test_logger::Output>(data: &[u8], _out: Out) {
-	test_msg_simple!(lightning::ln::msgs::Splice, data);
+	test_msg_simple!(lightning::ln::msgs::SpliceInit, data);
 }
 
 #[no_mangle]
 pub extern "C" fn msg_splice_run(data: *const u8, datalen: usize) {
 	let data = unsafe { std::slice::from_raw_parts(data, datalen) };
-	test_msg_simple!(lightning::ln::msgs::Splice, data);
+	test_msg_simple!(lightning::ln::msgs::SpliceInit, data);
 }

lightning-net-tokio/src/lib.rs

@@ -625,7 +625,7 @@ mod tests {
 		fn handle_accept_channel_v2(&self, _their_node_id: &PublicKey, _msg: &AcceptChannelV2) {}
 		fn handle_stfu(&self, _their_node_id: &PublicKey, _msg: &Stfu) {}
 		#[cfg(splicing)]
-		fn handle_splice(&self, _their_node_id: &PublicKey, _msg: &Splice) {}
+		fn handle_splice_init(&self, _their_node_id: &PublicKey, _msg: &SpliceInit) {}
 		#[cfg(splicing)]
 		fn handle_splice_ack(&self, _their_node_id: &PublicKey, _msg: &SpliceAck) {}
 		#[cfg(splicing)]

lightning/src/events/mod.rs

@@ -2057,12 +2057,12 @@ pub enum MessageSendEvent {
 		/// The message which should be sent.
 		msg: msgs::Stfu,
 	},
-	/// Used to indicate that a splice message should be sent to the peer with the given node id.
-	SendSplice {
+	/// Used to indicate that a splice_init message should be sent to the peer with the given node id.
+	SendSpliceInit {
 		/// The node_id of the node which should receive this message
 		node_id: PublicKey,
 		/// The message which should be sent.
-		msg: msgs::Splice,
+		msg: msgs::SpliceInit,
 	},
 	/// Used to indicate that a splice_ack message should be sent to the peer with the given node id.
 	SendSpliceAck {

lightning/src/ln/channel.rs

@@ -7135,6 +7135,7 @@ impl<SP: Deref> Channel<SP> where
 					channel_id: self.context.channel_id,
 					signature,
 					htlc_signatures,
+					batch: None,
 					#[cfg(taproot)]
 					partial_signature_with_nonce: None,
 				}, (counterparty_commitment_txid, commitment_stats.htlcs_included)))

lightning/src/ln/channelmanager.rs

@@ -9652,7 +9652,7 @@ where
 	}
 
 	#[cfg(splicing)]
-	fn handle_splice(&self, counterparty_node_id: &PublicKey, msg: &msgs::Splice) {
+	fn handle_splice_init(&self, counterparty_node_id: &PublicKey, msg: &msgs::SpliceInit) {
 		let _: Result<(), _> = handle_error!(self, Err(MsgHandleErrInternal::send_err_msg_no_close(
 			"Splicing not supported".to_owned(),
 			 msg.channel_id.clone())), *counterparty_node_id);
@@ -9859,7 +9859,7 @@ where
 						// Quiescence
 						&events::MessageSendEvent::SendStfu { .. } => false,
 						// Splicing
-						&events::MessageSendEvent::SendSplice { .. } => false,
+						&events::MessageSendEvent::SendSpliceInit { .. } => false,
 						&events::MessageSendEvent::SendSpliceAck { .. } => false,
 						&events::MessageSendEvent::SendSpliceLocked { .. } => false,
 						// Interactive Transaction Construction

lightning/src/ln/functional_test_utils.rs

@@ -884,7 +884,7 @@ pub fn remove_first_msg_event_to_node(msg_node_id: &PublicKey, msg_events: &mut
 		MessageSendEvent::SendStfu { node_id, .. } => {
 			node_id == msg_node_id
 		},
-		MessageSendEvent::SendSplice { node_id, .. } => {
+		MessageSendEvent::SendSpliceInit { node_id, .. } => {
 			node_id == msg_node_id
 		},
 		MessageSendEvent::SendSpliceAck { node_id, .. } => {

lightning/src/ln/functional_tests.rs

@@ -783,6 +783,7 @@ fn test_update_fee_that_funder_cannot_afford() {
 		channel_id: chan.2,
 		signature: res.0,
 		htlc_signatures: res.1,
+		batch: None,
 		#[cfg(taproot)]
 		partial_signature_with_nonce: None,
 	};
@@ -1532,6 +1533,7 @@ fn test_fee_spike_violation_fails_htlc() {
 		channel_id: chan.2,
 		signature: res.0,
 		htlc_signatures: res.1,
+		batch: None,
 		#[cfg(taproot)]
 		partial_signature_with_nonce: None,
 	};

lightning/src/ln/interactivetxs.rs

@@ -942,6 +942,7 @@ impl InteractiveTxConstructor {
 				prevtx,
 				prevtx_out: input.previous_output.vout,
 				sequence: input.sequence.to_consensus_u32(),
+				shared_input_txid: None,
 			};
 			do_state_transition!(self, sent_tx_add_input, &msg)?;
 			Ok(InteractiveTxMessageSend::TxAddInput(msg))