Initial wrapping of rpc-twoparty functionality

capnp/capabilityHelper.h

@@ -1,3 +1,5 @@
+#pragma once
+
 #include "capnp/dynamic.h"
 #include <stdexcept>
 #include "Python.h"
@@ -97,6 +99,10 @@ capnp::DynamicValue::Reader new_server(capnp::InterfaceSchema & schema, PyObject
   return capnp::DynamicValue::Reader(kj::heap<PythonInterfaceDynamicImpl>(schema, server));
 }
 
+capnp::Capability::Client server_to_client(capnp::InterfaceSchema & schema, PyObject * server) {
+  return kj::heap<PythonInterfaceDynamicImpl>(schema, server);
+}
+
 ::kj::Promise<PyObject *> convert_to_pypromise(capnp::RemotePromise<capnp::DynamicStruct> & promise) {
     return promise.then([](capnp::Response<capnp::DynamicStruct>&& response) { return wrap_dynamic_struct_reader(response); } );
-}
+}