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/type/dag/include/wrapping_dap_chain_cs_dag.h

+#pragma once
+
+#include <Python.h>
+#include "dap_chain_cs_dag.h"
+#include "wrapping_dap_chain_cs_dag_event.h"
+#include "wrapping_dap_hash.h"
+#include "wrapping_dap_chain_atom_ptr.h"
+#include "libdap_chain_atom_iter_python.h"
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+typedef struct PyDapChainCsDag {
+    PyObject_HEAD
+    dap_chain_cs_dag_t *dag;
+} PyDapChainCsDagObject;
+
+PyObject *dap_chain_cs_dag_find_event_by_hash_py(PyObject *self, PyObject *args);
+
+static PyMethodDef DapChainCsDagMethods[] = {
+        {"findByHash", (PyCFunction)dap_chain_cs_dag_find_event_by_hash_py, METH_VARARGS, ""},
+        {NULL, NULL, 0, NULL}
+};
+
+static PyTypeObject DapChainCsDag_DapChainCsDagType = {
+        PyVarObject_HEAD_INIT(NULL, 0)
+        "CellFrame.ChainCsDag",                                            /* tp_name */
+        sizeof(PyDapChainCsDagObject),                                     /* tp_basicsize */
+        0,                                                            /* tp_itemsize */
+        0,                         /* tp_dealloc */
+        0,                                                            /* tp_print */
+        0,                                                            /* tp_getattr */
+        0,                                                            /* tp_setattr */
+        0,                                                            /* tp_reserved */
+        0,                                                            /* tp_repr */
+        0,                                                            /* tp_as_number */
+        0,                                                            /* tp_as_sequence */
+        0,                                                            /* tp_as_mapping */
+        0,                                                            /* tp_hash  */
+        0,                                                            /* tp_call */
+        0,                                                            /* tp_str */
+        0,                                                            /* tp_getattro */
+        0,                                                            /* tp_setattro */
+        0,                                                            /* tp_as_buffer */
+        Py_TPFLAGS_DEFAULT |
+        Py_TPFLAGS_BASETYPE,                                      /* tp_flags */
+        "Chain cs dag objects",                                              /* tp_doc */
+        0,                                                              /* tp_traverse */
+        0,                                                              /* tp_clear */
+        0,                                                              /* tp_richcompare */
+        0,                                                              /* tp_weaklistoffset */
+        0,                                                              /* tp_iter */
+        0,                                                            /* tp_iternext */
+        DapChainCsDagMethods,                                        /* tp_methods */
+        0,                                                          /* tp_members */
+        0,                                                           /* tp_getset */
+        0,                                                            /* tp_base */
+        0,                                                            /* tp_dict */
+        0,                                                            /* tp_descr_get */
+        0,                                                            /* tp_descr_set */
+        0,                                                            /* tp_dictoffset */
+        0,                                                            /* tp_init */
+        0,                                                            /* tp_alloc */
+        PyType_GenericNew,                                            /* tp_new */
+};
+
+#ifdef __cplusplus
+};
+#endif