PrdConnect takes a secret hash as payload and previous proof

src/prd.rs

@@ -67,17 +67,19 @@ pub struct Prd {
 }
 
 impl Prd {
-    /// We answer with all our addresses to ack we received a transaction and got the shared_secret
-    /// pairing_commitment can be null but in that case we can't be fully trusted
-    /// We expect another prd connect in return so that we can trust the shared secret
-    pub fn new_connect(sender: Member, pairing_commitment: OutPoint) -> Self {
+    /// We answer to ack we received a transaction and got the shared_secret
+    /// If validation_tokens is empty we put the proof into it and return it
+    /// If validation_tokens contains a valid proof signed by ourselves of empty prd, 
+    /// we confirm the secret if necessary and don't return anything
+    pub fn new_connect(sender: Member, secret_hash: AnkMessageHash, previous_proof: Option<Proof>) -> Self {
+        let validation_tokens = if let Some(proof) = previous_proof { vec![proof] } else { vec![] };
         Self {
             prd_type: PrdType::Connect,
             root_commitment: String::default(),
             sender: serde_json::to_string(&sender).unwrap(),
-            validation_tokens: vec![],
+            validation_tokens,
             keys: Map::new(),
-            payload: pairing_commitment.to_string(),
+            payload: secret_hash.to_string(),
             proof: None,
         }
     }