Lots of changes

Notable ones are that now every message has a field for the target
server, and that messages have an "optional" ID  in that they dont have it
from client -> server and they do have it from server -> client.

src/message.rs

@@ -1,7 +1,7 @@
 use crate::RoomId;
 use crate::client::ClientMessage;
 use crate::state::StatePath;
-use crate::User;
+use crate::{User,ServerAddr};
 use time::OffsetDateTime;
 use serde::{Deserialize, Serialize};
 
@@ -16,6 +16,7 @@ pub struct MessageId(u64);
 
 #[derive(Serialize,Deserialize,Clone,Debug)]
 pub struct TaggedMessage {
+    // How do I return message IDs
     pub message: ClientMessage,
     #[serde(with="time::serde::timestamp")]
     pub client_timestamp: OffsetDateTime,
@@ -23,7 +24,8 @@ pub struct TaggedMessage {
     pub server_timestamp: OffsetDateTime,
     #[serde(with = "serde_bytes")]
     pub signature: Box<[u8]>,
-    pub user: User
+    pub user: User,
+    pub target: ServerAddr
 }
 impl TaggedMessage {
     pub fn verify(&self) -> Result<bool,VerificationError> {
@@ -42,6 +44,22 @@ pub enum Relevance {
     Post(User)
 }
 
+//#[derive(Serialize,Deserialize,Clone,Debug)]
+//pub struct Message {
+//    pub body: String,
+//    pub room_id: RoomId,
+//    pub target: ServerAddr,
+//    pub message_id: MessageId,
+//    #[serde(with="time::serde::timestamp")]
+//    pub client_timestamp: OffsetDateTime,
+//    #[serde(with="time::serde::timestamp")]
+//    pub server_timestamp: OffsetDateTime,
+//    #[serde(with = "serde_bytes")]
+//    pub signature: Box<[u8]>,
+//    pub user: User,
+//
+//}
+
 //#[derive(Serialize,Deserialize,Debug,Clone)]
 //pub struct Message {
 //    body: String,