X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FUnsignedChannelUpdate.java;fp=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FUnsignedChannelUpdate.java;h=294ca4b36522af4de74cdde043f83026ed26b14b;hb=f8c25e52ce878136043ddc4dbfac6c6640f1d4f6;hp=9f50b5c6f25be35534125c17e72610f6d4b4b754;hpb=bbc02b4a3cfdb5f32cdd650fdcd4dc4e55ca1517;p=ldk-java

diff --git a/src/main/java/org/ldk/structs/UnsignedChannelUpdate.java b/src/main/java/org/ldk/structs/UnsignedChannelUpdate.java
index 9f50b5c6..294ca4b3 100644
--- a/src/main/java/org/ldk/structs/UnsignedChannelUpdate.java
+++ b/src/main/java/org/ldk/structs/UnsignedChannelUpdate.java
@@ -79,7 +79,14 @@ public class UnsignedChannelUpdate extends CommonBase {
 	}
 
 	/**
-	 * The number of blocks to subtract from incoming HTLC cltv_expiry values
+	 * The number of blocks such that if:
+	 * `incoming_htlc.cltv_expiry < outgoing_htlc.cltv_expiry + cltv_expiry_delta`
+	 * then we need to fail the HTLC backwards. When forwarding an HTLC, cltv_expiry_delta determines
+	 * the outgoing HTLC's minimum cltv_expiry value -- so, if an incoming HTLC comes in with a
+	 * cltv_expiry of 100000, and the node we're forwarding to has a cltv_expiry_delta value of 10,
+	 * then we'll check that the outgoing HTLC's cltv_expiry value is at least 100010 before
+	 * forwarding. Note that the HTLC sender is the one who originally sets this value when
+	 * constructing the route.
 	 */
 	public short get_cltv_expiry_delta() {
 		short ret = bindings.UnsignedChannelUpdate_get_cltv_expiry_delta(this.ptr);
@@ -87,7 +94,14 @@ public class UnsignedChannelUpdate extends CommonBase {
 	}
 
 	/**
-	 * The number of blocks to subtract from incoming HTLC cltv_expiry values
+	 * The number of blocks such that if:
+	 * `incoming_htlc.cltv_expiry < outgoing_htlc.cltv_expiry + cltv_expiry_delta`
+	 * then we need to fail the HTLC backwards. When forwarding an HTLC, cltv_expiry_delta determines
+	 * the outgoing HTLC's minimum cltv_expiry value -- so, if an incoming HTLC comes in with a
+	 * cltv_expiry of 100000, and the node we're forwarding to has a cltv_expiry_delta value of 10,
+	 * then we'll check that the outgoing HTLC's cltv_expiry value is at least 100010 before
+	 * forwarding. Note that the HTLC sender is the one who originally sets this value when
+	 * constructing the route.
 	 */
 	public void set_cltv_expiry_delta(short val) {
 		bindings.UnsignedChannelUpdate_set_cltv_expiry_delta(this.ptr, val);