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lightningdevkit · Jul 21, 2022 · 8bb7c01 · 8bb7c01
1 parent a979694
commit 8bb7c01
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lightning/src/routing/gossip.rs b/lightning/src/routing/gossip.rs
@@ -635,6 +635,8 @@ impl Writeable for ChannelUpdateInfo {
 			(2, self.enabled, required),
 			(4, self.cltv_expiry_delta, required),
 			(6, self.htlc_minimum_msat, required),
+			// Writing htlc_maximum_msat as an Option<u64> is required to maintain backwards
+			// compatibility with LDK versions prior to v0.0.110.
 			(8, Some(self.htlc_maximum_msat), required),
 			(10, self.fees, required),
 			(12, self.last_update_message, required),