From aacefb9055f24620eaaa63486ad1bb9a727224d3 Mon Sep 17 00:00:00 2001
From: George Tsagkarelis <george.tsagkarelis@gmail.com>
Date: Tue, 27 May 2025 13:22:52 +0200
Subject: [PATCH] lnwallet: add IsAdd helper to AuxHtlcDescriptor

We also add the IsAdd helper to the AuxHtlcDescriptor, as external
software using the aux framework might want to know which type of HTLC
this is.
---
 lnwallet/aux_signer.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/lnwallet/aux_signer.go b/lnwallet/aux_signer.go
index 90a4325f6..042d3223e 100644
--- a/lnwallet/aux_signer.go
+++ b/lnwallet/aux_signer.go
@@ -116,6 +116,18 @@ func (a *AuxHtlcDescriptor) AddHeight(
 	return a.addCommitHeightLocal
 }
 
+// IsAdd checks if the entry type of the Aux HTLC Descriptor is an add type.
+func (a *AuxHtlcDescriptor) IsAdd() bool {
+	switch a.EntryType {
+	case Add:
+		fallthrough
+	case NoOpAdd:
+		return true
+	default:
+		return false
+	}
+}
+
 // RemoveHeight returns the height at which the HTLC was removed from the
 // commitment chain. The height is returned based on the chain the HTLC is being
 // removed from (local or remote chain).