add funny joke cause I am so funny and stuff

src/datastore.rs

@@ -7,7 +7,7 @@ use std::time::SystemTime;
 use tabled::{Table, Tabled};
 use tokio::sync::Mutex;
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq)]
 pub struct NodeInfo {
     pub pubkey: VerifyingKey,
     pub updated_at: SystemTime,
@@ -65,11 +65,15 @@ impl Store {
     pub async fn add_mock_node(&self, ip: String) {
         let mut csprng = OsRng;
         let privkey = ed25519_dalek::SigningKey::generate(&mut csprng);
-        self.add_node(ip, NodeInfo {
+        self.update_node(
+            ip,
+            NodeInfo {
                 pubkey: privkey.verifying_key(),
                 updated_at: std::time::SystemTime::now(),
                 online: true,
-        }).await;
+            },
+        )
+        .await;
         self.add_key(privkey.verifying_key(), privkey).await;
     }
 
@@ -128,9 +132,16 @@ impl Store {
         keys.get(pubkey).cloned()
     }
 
-    pub async fn add_node(&self, ip: String, info: NodeInfo) {
+    /// This returns true if NodeInfo got modified.
+    ///
+    /// On a side note, there are two types of people in this worlds:
+    ///     1. Those that can extrapolate...
+    pub async fn update_node(&self, ip: String, info: NodeInfo) -> bool {
         let mut nodes = self.nodes.lock().await;
-        nodes.insert(ip, info);
+        match nodes.insert(ip, info.clone()) {
+            Some(old_info) => old_info.ne(&info),
+            None => false,
+        }
     }
 
     pub async fn remove_node(&self, ip: &str) {
@@ -147,7 +158,7 @@ impl Store {
         let mut csprng = OsRng;
         // TODO: save old private key to disk using SGX Sealing
         let privkey = ed25519_dalek::SigningKey::generate(&mut csprng);
-        self.add_node(
+        self.update_node(
             "localhost".to_string(),
             NodeInfo {
                 pubkey: privkey.verifying_key(),