Fix up migration protocol

src/proto/migration.rs

@@ -127,9 +127,6 @@ impl BridgeAuth {
                 L.set_privkey(&self.lox_priv);
                 M.set_privkey(&self.migration_priv);
                 N.set_privkey(&self.lox_priv);
-                L.id = M.lox_id;
-                L.bucket = M.from_bucket;
-                N.bucket = M.to_bucket;
                 N.trust_level = Some(Scalar::ONE);
                 N.level_since = Some(today.into());
                 N.invites_remaining = Some(Scalar::ZERO);
@@ -138,7 +135,7 @@ impl BridgeAuth {
             },
             |L: &Lox, _M: &Migration, _N: &Lox| {
                 if self.id_filter.filter(&L.id.unwrap()) == SeenType::Seen {
-                    return Err(CMZError::RevealAttrMissing("id", ""));
+                    return Err(CMZError::RevealAttrMissing("id", "Credential Expired"));
                 }
                 Ok(())
             },