diff --git a/modules/cellframe-sdk/net/srv/src/wrapping_dap_chain_net_srv_common.c b/modules/cellframe-sdk/net/srv/src/wrapping_dap_chain_net_srv_common.c
index 8fb82f21a5da01262536f70b31fe7f5dff5a3c0b..20bf8778173cc0451f011f4e849bc6fd101e78c0 100644
--- a/modules/cellframe-sdk/net/srv/src/wrapping_dap_chain_net_srv_common.c
+++ b/modules/cellframe-sdk/net/srv/src/wrapping_dap_chain_net_srv_common.c
@@ -5,6 +5,7 @@
 
 PyObject *wrapping_dap_chain_net_srv_get_wallet(PyObject *self, void *closure){
     (void)closure;
+    return Py_None;
 }
 PyObject *wrapping_dap_chain_net_srv_get_net_name(PyObject *self, void *closure){
     (void)closure;
diff --git a/modules/cellframe-sdk/net/srv/src/wrapping_dap_chain_net_srv_order.c b/modules/cellframe-sdk/net/srv/src/wrapping_dap_chain_net_srv_order.c
index 02020a823a3d9535a64df5960c19e4d12a329597..685d059026aa3596deea89d74f303452716c0d08 100644
--- a/modules/cellframe-sdk/net/srv/src/wrapping_dap_chain_net_srv_order.c
+++ b/modules/cellframe-sdk/net/srv/src/wrapping_dap_chain_net_srv_order.c
@@ -25,14 +25,14 @@ int PyDapChainNetSrvOrder_init(PyDapChainNetSrvOrderObject *self, PyObject *args
     char *price_ticker;
     unsigned long expires;
     PyObject *obj_ext, *obj_key;
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "OOOOOkOOO", kwlist, &obj_net, &obj_direction, &obj_srv_uid,
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, "OOOOOkOOO", (char **)kwlist, &obj_net, &obj_direction, &obj_srv_uid,
                                      &obj_node_addr, &obj_tx_cond_hash, &price, &obj_price_unit, &price_ticker,
                                      &expires, &obj_ext, &obj_key)){
         return -1;
     }
     void* l_ext = (void*)PyBytes_AsString(obj_ext);
     size_t l_ext_size = PyBytes_Size(obj_ext);
-    dap_chain_net_srv_order_create(
+    self->order = dap_chain_net_srv_order_compose(
             ((PyDapChainNetObject*)obj_net)->chain_net,
             ((PyDapChainNetSrvOrderDirectionObject*)obj_direction)->direction,
             ((PyDapChainNetSrvUIDObject*)obj_srv_uid)->net_srv_uid,
@@ -184,7 +184,6 @@ PyObject *wrapping_dap_chain_net_srv_order_find(PyObject *self, PyObject *args){
                                       "as the second argument. ");
     return NULL;
 }
-
 PyObject *wrapping_dap_chain_net_srv_order_delete(PyObject *self, PyObject *args){
     (void)self;
     PyObject *obj_net;
@@ -215,9 +214,9 @@ PyObject *wrapping_dap_chain_net_srv_order_delete(PyObject *self, PyObject *args
                                       "as the second argument. ");
     return NULL;
 }
-
-PyObject *wrapping_dap_chain_net_srv_order_find_all_by(PyObject *self, PyObject *args){return Py_None;}
-
+PyObject *wrapping_dap_chain_net_srv_order_find_all_by(PyObject *self, PyObject *args){
+    return Py_None;
+}
 PyObject *wrapping_dap_chain_net_srv_order_save(PyObject *self, PyObject *args){
     PyObject *obj_net;
     if(!PyArg_ParseTuple(args, "O", &obj_net)){
@@ -229,10 +228,10 @@ PyObject *wrapping_dap_chain_net_srv_order_save(PyObject *self, PyObject *args){
                                           "an instance of an object of type ChainNet.");
         return NULL;
     }
-    int res = -1;
+    char *res = NULL;
     res = dap_chain_net_srv_order_save(((PyDapChainNetObject *) self)->chain_net,
                                            WRAPPING_DAP_CHAIN_NET_SRV_ORDER(self)->order);
-    return Py_BuildValue("i", res);
+    return Py_BuildValue("s", res);
 }
 PyObject *wrapping_dap_chain_net_srv_order_get_gdb_group(PyObject *self, PyObject *args){
     (void)self;
diff --git a/modules/cellframe-sdk/type/dag/src/wrapping_dap_chain_cs_dag_event.c b/modules/cellframe-sdk/type/dag/src/wrapping_dap_chain_cs_dag_event.c
index 049cc4f303748c6bc6e2d8df46396922566c7ae4..ec6c6ed942fa194dd9fc841d21d16946d466a959 100644
--- a/modules/cellframe-sdk/type/dag/src/wrapping_dap_chain_cs_dag_event.c
+++ b/modules/cellframe-sdk/type/dag/src/wrapping_dap_chain_cs_dag_event.c
@@ -48,7 +48,7 @@ PyObject *wrapping_dap_chain_cs_dag_event_get_links(PyObject *self, void *closur
         obj_hf->hash_fast =
                 (dap_chain_hash_fast_t *) (((PyDapChainCsDagEventObject*)self)->event->hashes_n_datum_n_signs +
                                                                     i*sizeof (dap_chain_hash_fast_t));
-        PyList_SetItem(obj_list, i, obj_hf);
+        PyList_SetItem(obj_list, i, (PyObject *)obj_hf);
     }
     return obj_list;
 }