Get endpoint by filtering on CreatedReplyKey event

The session endpoint can be pulled off an earlier event.

Author: arminsabouri

payjoin/src/send/v2/mod.rs

@@ -161,7 +161,7 @@ impl<State: SenderState> core::ops::DerefMut for Sender<State> {
     fn deref_mut(&mut self) -> &mut Self::Target { &mut self.state }
 }
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub enum SenderTypeState {
     Uninitialized(),
     WithReplyKey(Sender<WithReplyKey>),

payjoin/src/send/v2/session.rs

@@ -78,7 +78,7 @@ impl SessionHistory {
 
     pub fn endpoint(&self) -> Option<&Url> {
         self.events.iter().find_map(|event| match event {
-            SessionEvent::V2GetContext(ctx) => Some(&ctx.endpoint),
+            SessionEvent::CreatedReplyKey(proposal) => Some(&proposal.v1.endpoint),
             _ => None,
         })
     }