From 4c6ac6fd7d5254664a91514deb91117208125c6b Mon Sep 17 00:00:00 2001
From: Kolby Moroz Liebl <31669092+KolbyML@users.noreply.github.com>
Date: Tue, 3 Oct 2023 13:15:51 -0600
Subject: [PATCH 1/2] Add compare_content for enr's

---
 src/lib.rs | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 4a21745..45321e7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -421,6 +421,12 @@ impl<K: EnrKey> Enr<K> {
         }
     }
 
+    /// Compare if the content of 2 Enr's match.
+    #[must_use]
+    pub fn compare_content(&self, other: &Enr<K>) -> bool {
+        self.rlp_content() == other.rlp_content()
+    }
+
     /// Provides the URL-safe base64 encoded "text" version of the ENR prefixed by "enr:".
     #[must_use]
     pub fn to_base64(&self) -> String {
@@ -1703,6 +1709,35 @@ mod tests {
         }
     }
 
+    #[test]
+    fn test_compare_content() {
+        let key = k256::ecdsa::SigningKey::random(&mut rand::thread_rng());
+        let ip = Ipv4Addr::new(10, 0, 0, 1);
+        let tcp = 30303;
+
+        let enr1 = {
+            let mut builder = EnrBuilder::new("v4");
+            builder.ip4(ip);
+            builder.tcp4(tcp);
+            builder.build(&key).unwrap()
+        };
+
+        let mut enr2 = enr1.clone();
+        enr2.set_seq(1, &key).unwrap();
+        let mut enr3 = enr1.clone();
+        enr3.set_seq(2, &key).unwrap();
+
+        // Enr 1 & 2 should be equal, secpk256k1 should have different signatures for the same Enr content
+        assert_ne!(enr1.signature(), enr2.signature());
+        assert!(enr1.compare_content(&enr2));
+        assert_ne!(enr1, enr2);
+
+        // Enr 1 & 3 should not be equal, and have different signatures
+        assert_ne!(enr1.signature(), enr3.signature());
+        assert!(!enr1.compare_content(&enr3));
+        assert_ne!(enr1, enr3);
+    }
+
     fn assert_tcp4(enr: &DefaultEnr, tcp: u16) {
         assert!(enr.verify());
         assert_eq!(enr.get_raw_rlp("tcp").unwrap(), rlp::encode(&tcp).to_vec());

From dd3af6ce88ee10f45e2a37ed4a535dc57ff201c9 Mon Sep 17 00:00:00 2001
From: Kolby Moroz Liebl <31669092+KolbyML@users.noreply.github.com>
Date: Tue, 3 Oct 2023 13:27:15 -0600
Subject: [PATCH 2/2] fixup lint 1

---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 45321e7..0bb6ad8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -423,7 +423,7 @@ impl<K: EnrKey> Enr<K> {
 
     /// Compare if the content of 2 Enr's match.
     #[must_use]
-    pub fn compare_content(&self, other: &Enr<K>) -> bool {
+    pub fn compare_content(&self, other: &Self) -> bool {
         self.rlp_content() == other.rlp_content()
     }