X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fmsgs.rs;h=fab396e3c7112af934021041abfcf2e1f4d609af;hb=952cee4a168d266d7bdd43d21ac71a3e3de46a53;hp=ffca10dbb6de009ed2b5bfa53f1a88f2324ce453;hpb=e43cfe135a5b68620cd51b9b982362c272b4ef77;p=rust-lightning

diff --git a/lightning/src/ln/msgs.rs b/lightning/src/ln/msgs.rs
index ffca10db..fab396e3 100644
--- a/lightning/src/ln/msgs.rs
+++ b/lightning/src/ln/msgs.rs
@@ -241,6 +241,9 @@ pub struct FundingLocked {
 	pub channel_id: [u8; 32],
 	/// The per-commitment point of the second commitment transaction
 	pub next_per_commitment_point: PublicKey,
+	/// If set, provides a short_channel_id alias for this channel. The sender will accept payments
+	/// to be forwarded over this SCID and forward them to this messages' recipient.
+	pub short_channel_id_alias: Option<u64>,
 }
 
 /// A shutdown message to be sent or received from a peer
@@ -1155,7 +1158,9 @@ impl_writeable_msg!(FundingSigned, {
 impl_writeable_msg!(FundingLocked, {
 	channel_id,
 	next_per_commitment_point,
-}, {});
+}, {
+	(1, short_channel_id_alias, option),
+});
 
 impl Writeable for Init {
 	fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
@@ -1299,10 +1304,6 @@ impl Readable for FinalOnionHopData {
 
 impl Writeable for OnionHopData {
 	fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
-		// Note that this should never be reachable if Rust-Lightning generated the message, as we
-		// check values are sane long before we get here, though its possible in the future
-		// user-generated messages may hit this.
-		if self.amt_to_forward > MAX_VALUE_MSAT { panic!("We should never be sending infinite/overflow onion payments"); }
 		match self.format {
 			OnionHopDataFormat::Legacy { short_channel_id } => {
 				0u8.write(w)?;
@@ -1319,9 +1320,6 @@ impl Writeable for OnionHopData {
 				});
 			},
 			OnionHopDataFormat::FinalNode { ref payment_data, ref keysend_preimage } => {
-				if let Some(final_data) = payment_data {
-					if final_data.total_msat > MAX_VALUE_MSAT { panic!("We should never be sending infinite/overflow onion payments"); }
-				}
 				encode_varint_length_prefixed_tlv!(w, {
 					(2, HighZeroBytesDroppedVarInt(self.amt_to_forward), required),
 					(4, HighZeroBytesDroppedVarInt(self.outgoing_cltv_value), required),
@@ -2253,6 +2251,7 @@ mod tests {
 		let funding_locked = msgs::FundingLocked {
 			channel_id: [2; 32],
 			next_per_commitment_point: pubkey_1,
+			short_channel_id_alias: None,
 		};
 		let encoded_value = funding_locked.encode();
 		let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap();