changed error handling to use int to properly detect codes

llarp/quic/endpoint.cpp

@@ -191,7 +191,7 @@ namespace llarp::quic
           conn.base_cid,
           ngtcp2_strerror(rv));
       // close_connection(conn, rv, "ERR_PROTO"sv);
-      close_connection(conn, ngtcp2_err_infer_quic_transport_error_code(rv), "ERR_PROTO"sv);
+      close_connection(conn, rv, "ERR_PROTO"sv);
     }
     else if (rv == NGTCP2_ERR_DROP_CONN)
     {
@@ -263,7 +263,7 @@ namespace llarp::quic
   }
 
   void
-  Endpoint::close_connection(Connection& conn, uint64_t code, std::string_view close_reason)
+  Endpoint::close_connection(Connection& conn, int code, std::string_view close_reason)
   {
     log::debug(logcat, "Closing connection {}", conn.base_cid);
 

llarp/quic/endpoint.hpp

@@ -196,7 +196,7 @@ namespace llarp::quic
     // values.
     void
     close_connection(
-        Connection& conn, uint64_t code = NGTCP2_NO_ERROR, std::string_view close_reason = ""sv);
+        Connection& conn, int code = NGTCP2_NO_ERROR, std::string_view close_reason = ""sv);
 
     /// Puts a connection into draining mode (i.e. after getting a connection close).  This will
     /// keep the connection registered for the recommended 3*Probe Timeout, during which we drop