many improvements

src/contacts.rs

@@ -0,0 +1,16 @@
+use enostr::{EventId, Profile, Pubkey};
+use std::collections::HashMap;
+
+pub struct Contacts {
+    pub events: HashMap<Pubkey, EventId>,
+    pub profiles: HashMap<Pubkey, Profile>,
+}
+
+impl Contacts {
+    pub fn new() -> Contacts {
+        Contacts {
+            events: HashMap::new(),
+            profiles: HashMap::new(),
+        }
+    }
+}