tie friends profile together

src-common/src/lib.rs

@@ -12,9 +12,24 @@ pub struct Profile {
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(tag = "type", rename_all = "camelCase")]
 pub enum ClientMessage {
-    Register { profile: Profile, signature: String },
-    ProfileUpdated { profile: Profile, signature: String },
-    Signed { payload: String, signature: String },
+    Register {
+        profile: Profile,
+        friends: Vec<String>,
+        signature: String,
+    },
+    ProfileUpdated {
+        profile: Profile,
+        signature: String,
+    },
+    FriendsUpdated {
+        friends: Vec<String>,
+        signature: String,
+    },
+    SyncFriendProfiles,
+    Signed {
+        payload: String,
+        signature: String,
+    },
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -22,12 +37,16 @@ pub enum ClientMessage {
 pub enum ServerMessage {
     Challenge { version: u8, challenge: String },
     Registered,
+    FriendProfileUpdated { profile: Profile },
+    FriendProfiles { profiles: Vec<Profile> },
 }
 
-pub fn register_bytes(challenge: &str, profile: &Profile) -> Vec<u8> {
+pub fn register_bytes(challenge: &str, profile: &Profile, friends: &[String]) -> Vec<u8> {
     format!(
-        "wyd-register-v{VERSION}\n{challenge}\n{}\n{}",
-        profile.id, profile.display_name
+        "wyd-register-v{VERSION}\n{challenge}\n{}\n{}\n{}",
+        profile.id,
+        profile.display_name,
+        friends.join("\n")
     )
     .into_bytes()
 }
@@ -43,3 +62,7 @@ pub fn profile_bytes(profile: &Profile) -> Vec<u8> {
     )
     .into_bytes()
 }
+
+pub fn friends_bytes(friends: &[String]) -> Vec<u8> {
+    format!("wyd-friends-v{VERSION}\n{}", friends.join("\n")).into_bytes()
+}