Features-5386

The following works have been carried out:

• Added wrapper for dap_chain_cs_dag and dap_chain_cs_dag_event.
• Extended API for working with datums, namely checking and getting from a datum, a datum token, if the datum has a declaration type. Issue token datum, if the datum is of the transaction type.
• Added getting from datum token declaration of simple data type.
• Added getting data from the emission token datum.
• Added an id attribute for an object of type ChainNet to get an object of type ChainNetId.

modules/plugins/src/dap_chain_plugins.c

@@ -27,6 +27,10 @@ int dap_chain_plugins_init(dap_config_t *a_config){
             return -1;
         }
         PyImport_AppendInittab("API_CellFrame", PyInit_libCellFrame);
+        #ifdef DAP_BUILD_WITH_PYTHON_ENV
+            const wchar_t *l_python_env_path = L"/opt/cellframe-node/lib/python3.7";
+            Py_SetPath(l_python_env_path);
+        #endif
         Py_Initialize();
         PyEval_InitThreads();
         PyObject *l_sys_module = PyImport_ImportModule("sys");