Features-5386 to develop

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/cellframe-sdk/chain/src/libdap-chain-python.c

@@ -80,21 +80,27 @@ void PyDapChainObject_dealloc(PyDapChainObject* chain){
 
 PyObject *dap_chain_python_create_atom_iter(PyObject *self, PyObject *args){
     PyObject *obj_cell_id;
-    if (!PyArg_ParseTuple(args, "O", &obj_cell_id)){
-        PyErr_SetString(PyExc_AttributeError, "This function takes one argument.");
+    PyObject *obj_boolean;
+    if (!PyArg_ParseTuple(args, "OO", &obj_cell_id, &obj_boolean)){
+        PyErr_SetString(PyExc_AttributeError, "This function takes two arguments. ");
         return NULL;
     }
     if (!PyDapChainCell_Check(obj_cell_id)){
         PyErr_SetString(PyExc_AttributeError, "The first argument to this function must be of type ChainCell.");
         return NULL;
     }
+    if (!PyBool_Check(obj_boolean)){
+        PyErr_SetString(PyExc_AttributeError, "The second argument accepted by this function is not a boolean value. ");
+        return NULL;
+    }
+    bool with_treshold = (obj_boolean == Py_True) ? 1 : 0;
     PyObject *obj_atom_iter = _PyObject_New(&DapChainAtomIter_DapChainAtomIterType);
     PyObject_Init(obj_atom_iter, &DapChainAtomIter_DapChainAtomIterType);
     PyObject_Dir(obj_atom_iter);
     ((PyChainAtomIterObject*)obj_atom_iter)->atom_iter =
             ((PyDapChainObject*)self)->chain_t->callback_atom_iter_create(
                     ((PyDapChainObject*)self)->chain_t,
-                    ((PyDapChainCellObject*)obj_cell_id)->cell->id);
+                    ((PyDapChainCellObject*)obj_cell_id)->cell->id, with_treshold);
     return obj_atom_iter;
 }