diff --git a/include/wrapping_dap_chain_ledger.h b/include/wrapping_dap_chain_ledger.h
new file mode 100644
index 0000000000000000000000000000000000000000..0a434be2e993cacf8a3c587c8a061744eaeb3ce4
--- /dev/null
+++ b/include/wrapping_dap_chain_ledger.h
@@ -0,0 +1,119 @@
+#include "Python.h"
+#include "dap_chain_ledger.h"
+#include "wrapping_dap_chain_common_objects.h"
+#include "wrapping_dap_chain_datum_tx.h"
+#include "wrapping_dap_chain_datum_token.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct PyDapChainLedger{
+ PyObject_HEAD
+ dap_ledger_t *ledger;
+}PyDapChainLedgerObject;
+
+//construct
+PyObject *DapChainLedgerObject_create(PyTypeObject *type_object, PyObject *args, PyObject *kwds);
+//destructor
+void DapChainLedgerObject_free(PyDapChainLedgerObject* object);
+
+PyObject *dap_chain_ledger_set_local_cell_id_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_node_datum_tx_calc_hash_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_tx_add_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_token_add_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_token_emission_add_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_token_emission_find_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_tx_get_token_ticker_by_hash_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_addr_get_token_ticker_all_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_addr_get_token_ticker_all_fast_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_tx_cache_check_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_node_datum_tx_cache_check_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_tx_remove_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_purge_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_count_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_count_from_to_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_tx_hash_is_used_out_item_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_calc_balance_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_calc_balance_full_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_tx_find_by_hash_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_tx_find_by_addr_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_tx_find_by_pkey_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_tx_cache_find_out_cond_py(PyObject *self, PyObject *args);
+PyObject *dap_chain_ledger_tx_cache_get_out_cond_value_py(PyObject *self, PyObject *args);
+
+static PyMethodDef DapChainLedgerMethods[] = {
+ {"setLocalCellId", (PyCFunction)dap_chain_ledger_set_local_cell_id_py, METH_VARARGS, ""},
+ {"nodeDatumTxCalcHash", (PyCFunction)dap_chain_node_datum_tx_calc_hash_py, METH_VARARGS, ""},
+ {"txAdd", (PyCFunction)dap_chain_ledger_tx_add_py, METH_VARARGS, ""},
+ {"tokenAdd", (PyCFunction)dap_chain_ledger_token_add_py, METH_VARARGS, ""},
+ {"tokenEmissionAdd", (PyCFunction)dap_chain_ledger_token_emission_add_py, METH_VARARGS, ""},
+ {"tokenEmissionFind", (PyCFunction)dap_chain_ledger_token_emission_find_py, METH_VARARGS, ""},
+ {"txGetTokenTickerByHash", (PyCFunction)dap_chain_ledger_tx_get_token_ticker_by_hash_py, METH_VARARGS, ""},
+ {"addrGetTokenTickerAll", (PyCFunction)dap_chain_ledger_addr_get_token_ticker_all_py, METH_VARARGS, ""},
+ {"addrGetTokenTickerAllFast", (PyCFunction)dap_chain_ledger_addr_get_token_ticker_all_fast_py, METH_VARARGS, ""},
+ {"txCacheCheck", (PyCFunction)dap_chain_ledger_tx_cache_check_py, METH_VARARGS, ""},
+ {"datumTxCacheCheck", (PyCFunction)dap_chain_node_datum_tx_cache_check_py, METH_VARARGS, ""},
+ {"txRemove", (PyCFunction)dap_chain_ledger_tx_remove_py, METH_VARARGS, ""},
+ {"purge", (PyCFunction)dap_chain_ledger_purge_py, METH_VARARGS, ""},
+ {"count", (PyCFunction)dap_chain_ledger_count_py, METH_VARARGS, ""},
+ {"countFromTo", (PyCFunction)dap_chain_ledger_count_from_to_py, METH_VARARGS, ""},
+ {"txHashIsUsedOutItem", (PyCFunction)dap_chain_ledger_tx_hash_is_used_out_item_py, METH_VARARGS, ""},
+ {"calcBalance", (PyCFunction)dap_chain_ledger_calc_balance_py, METH_VARARGS, ""},
+ {"calcBalanceFull", (PyCFunction)dap_chain_ledger_calc_balance_full_py, METH_VARARGS, ""},
+ {"txFindByHash", (PyCFunction)dap_chain_ledger_tx_find_by_hash_py, METH_VARARGS, ""},
+ {"txFindByAddr", (PyCFunction)dap_chain_ledger_tx_find_by_addr_py, METH_VARARGS, ""},
+ {"txFindByPkey", (PyCFunction)dap_chain_ledger_tx_find_by_pkey_py, METH_VARARGS, ""},
+ {"txCacheFindOutCond", (PyCFunction)dap_chain_ledger_tx_cache_find_out_cond_py, METH_VARARGS, ""},
+ {"txCacheGetOutCondValue", (PyCFunction)dap_chain_ledger_tx_cache_get_out_cond_value_py, METH_VARARGS, ""},
+
+ {NULL, NULL, 0, NULL}
+};
+
+PyTypeObject DapChainLedger_DapChainLedgerType = {
+ PyVarObject_HEAD_INIT(NULL, 0)
+ "CellFrame.ChainLedger", /* tp_name */
+ sizeof(PyDapChainLedgerObject), /* 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 ledger objects", /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ DapChainLedgerMethods, /* 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
diff --git a/src/wrapping_dap_chain_ledger.c b/src/wrapping_dap_chain_ledger.c
new file mode 100644
index 0000000000000000000000000000000000000000..ca4a837c31fbb16697fe71288963dcc8c0cc14a0
--- /dev/null
+++ b/src/wrapping_dap_chain_ledger.c
@@ -0,0 +1,175 @@
+#include "wrapping_dap_chain_ledger.h"
+
+PyObject *DapChainLedgerObject_create(PyTypeObject *type_object, PyObject *args, PyObject *kwds){
+ uint16_t check_flag;
+ if (!PyArg_ParseTuple(args, "H", &check_flag))
+ return NULL;
+ PyDapChainLedgerObject *obj = (PyDapChainLedgerObject *)PyType_GenericNew(type_object, args, kwds);
+ obj->ledger = dap_chain_ledger_create(check_flag);
+ return (PyObject *)obj;
+}
+void DapChainLedgerObject_free(PyDapChainLedgerObject* object){
+ dap_chain_ledger_handle_free(object->ledger);
+ Py_TYPE(object)->tp_free(object);
+}
+
+PyObject *dap_chain_ledger_set_local_cell_id_py(PyObject *self, PyObject *args){
+ PyObject *obj_local_cell_id;
+ if (!PyArg_ParseTuple(args, "O", &obj_local_cell_id))
+ return NULL;
+ dap_chain_ledger_set_local_cell_id(((PyDapChainLedgerObject*)self)->ledger,
+ ((PyDapChainCellIdObject*)obj_local_cell_id)->id);
+ return PyLong_FromLong(0);
+}
+PyObject *dap_chain_node_datum_tx_calc_hash_py(PyObject *self, PyObject *args){
+ PyObject *obj_tx;
+ if (!PyArg_ParseTuple(args, "O", &obj_tx))
+ return NULL;
+ PyObject *obj_h_fast = _PyObject_New(&DapChainHashFastObject_DapChainHashFastObjectType);
+ ((PyDapChainHashFastObject*)obj_h_fast)->hash_fast = dap_chain_node_datum_tx_calc_hash(((PyDapChainDatumTxObject*)obj_tx)->datum_tx);
+ return Py_BuildValue("O", obj_h_fast);
+
+}
+PyObject *dap_chain_ledger_tx_add_py(PyObject *self, PyObject *args){
+ PyObject *obj_datum_tx;
+ if (!PyArg_ParseTuple(args, "O", &obj_datum_tx))
+ return NULL;
+ int res = dap_chain_ledger_tx_add(((PyDapChainLedgerObject*)self)->ledger, ((PyDapChainDatumTxObject*)obj_datum_tx)->datum_tx);
+ return PyLong_FromLong(res);
+}
+PyObject *dap_chain_ledger_token_add_py(PyObject *self, PyObject *args)
+{
+ PyObject *token;
+ size_t token_size;
+ if (!PyArg_ParseTuple(args, "O|n", &token, &token_size))
+ return NULL;
+ int res = dap_chain_ledger_token_add(((PyDapChainLedgerObject*)self)->ledger,
+ ((PyDapChainDatumTokenObject*)token)->token, token_size);
+ return PyLong_FromLong(res);
+}
+PyObject *dap_chain_ledger_token_emission_add_py(PyObject *self, PyObject *args){
+ PyObject *token_emission;
+ size_t token_emissiom_size;
+ if (!PyArg_ParseTuple(args, "O|n", &token_emission, &token_emissiom_size))
+ return NULL;
+ int res = dap_chain_ledger_token_emission_add(((PyDapChainLedgerObject*)self)->ledger, ((PyDapChainDatumTokenEmissionObject*)token_emission)->token_emission, token_emissiom_size);
+ return PyLong_FromLong(res);
+}
+PyObject *dap_chain_ledger_token_emission_find_py(PyObject *self, PyObject *args){
+ PyObject *h_fast;
+ const char *token_ticker;
+ if (!PyArg_ParseTuple(args, "s|O", &token_ticker, &h_fast))
+ return NULL;
+ PyObject *token_emission = _PyObject_New(&DapChainDatumTokenEmission_DapChainDatumTokenEmissionObjectType);
+ ((PyDapChainDatumTokenEmissionObject*)token_emission)->token_emission = dap_chain_ledger_token_emission_find(
+ ((PyDapChainLedgerObject*)self)->ledger, token_ticker, ((PyDapChainHashFastObject*)h_fast)->hash_fast);
+ return Py_BuildValue("O", &token_emission);
+}
+PyObject *dap_chain_ledger_tx_get_token_ticker_by_hash_py(PyObject *self, PyObject *args){
+ PyObject *obj_tx_hash;
+ if (!PyArg_ParseTuple(args, "O", &obj_tx_hash))
+ return NULL;
+ const char *res = dap_chain_ledger_tx_get_token_ticker_by_hash(((PyDapChainHashFastObject*)obj_tx_hash)->hash_fast);
+ return Py_BuildValue("s", res);
+}
+PyObject *dap_chain_ledger_addr_get_token_ticker_all_py(PyObject *self, PyObject *args){
+ return NULL;
+}
+PyObject *dap_chain_ledger_addr_get_token_ticker_all_fast_py(PyObject *self, PyObject *args){
+ return NULL;
+}
+PyObject *dap_chain_ledger_tx_cache_check_py(PyObject *self, PyObject *args){
+ return NULL;
+}
+PyObject *dap_chain_node_datum_tx_cache_check_py(PyObject *self, PyObject *args){
+ return NULL;
+}
+PyObject *dap_chain_ledger_tx_remove_py(PyObject *self, PyObject *args){
+ PyObject *obj_h_fast;
+ if (!PyArg_ParseTuple(args, "O", &obj_h_fast))
+ return NULL;
+ int res = dap_chain_ledger_tx_remove(((PyDapChainLedgerObject*)self)->ledger, ((PyDapChainHashFastObject*)obj_h_fast)->hash_fast);
+ return PyLong_FromLong(res);
+}
+PyObject *dap_chain_ledger_purge_py(PyObject *self, PyObject *args){
+ dap_chain_ledger_purge(((PyDapChainLedgerObject*)self)->ledger);
+ return PyLong_FromLong(0);
+}
+PyObject *dap_chain_ledger_count_py(PyObject *self, PyObject *args){
+ return NULL;
+}
+PyObject *dap_chain_ledger_count_from_to_py(PyObject *self, PyObject *args){
+ return NULL;
+}
+PyObject *dap_chain_ledger_tx_hash_is_used_out_item_py(PyObject *self, PyObject *args){
+ PyObject *obj_h_fast;
+ int idx_out;
+ if (!PyArg_ParseTuple(args, "O|i", &obj_h_fast, &idx_out))
+ return NULL;
+ bool res = dap_chain_ledger_tx_hash_is_used_out_item(((PyDapChainLedgerObject*)self)->ledger, ((PyDapChainHashFastObject*)obj_h_fast)->hash_fast, idx_out);
+ if (res)
+ return Py_BuildValue("O", Py_True);
+ else
+ return Py_BuildValue("O", Py_False);
+}
+PyObject *dap_chain_ledger_calc_balance_py(PyObject *self, PyObject *args){
+ PyObject *addr;
+ const char *token_ticker;
+ if (!PyArg_ParseTuple(args, "O|s", &addr, &token_ticker))
+ return NULL;
+ uint64_t res = dap_chain_ledger_calc_balance(((PyDapChainLedgerObject*)self)->ledger, ((PyDapChainAddrObject*)addr)->addr, token_ticker);
+ return Py_BuildValue("k", res);
+}
+PyObject *dap_chain_ledger_calc_balance_full_py(PyObject *self, PyObject *args){
+ PyObject *addr;
+ const char *token_ticker;
+ if (!PyArg_ParseTuple(args, "O|s", &addr, &token_ticker))
+ return NULL;
+ uint64_t res = dap_chain_ledger_calc_balance_full(((PyDapChainLedgerObject*)self)->ledger, ((PyDapChainAddrObject*)addr)->addr, token_ticker);
+ return Py_BuildValue("k", res);
+}
+PyObject *dap_chain_ledger_tx_find_by_hash_py(PyObject *self, PyObject *args){
+ PyObject *h_fast;
+ if (!PyArg_ParseTuple(args, "O", &h_fast))
+ return NULL;
+ PyObject *res = _PyObject_New(&DapChainDatumTx_DapChainDatumTxObjectType);
+ ((PyDapChainDatumTxObject*)res)->datum_tx = dap_chain_ledger_tx_find_by_hash(((PyDapChainLedgerObject*)self)->ledger, ((PyDapChainHashFastObject*)h_fast)->hash_fast);
+ return Py_BuildValue("O", res);
+}
+PyObject *dap_chain_ledger_tx_find_by_addr_py(PyObject *self, PyObject *args){
+ const char *token;
+ PyObject *addr;
+ PyObject *first_hash;
+ if (!PyArg_ParseTuple(args, "s|O|O", &token, &addr, &first_hash))
+ return NULL;
+ PyObject *res = _PyObject_New(&DapChainDatumTx_DapChainDatumTxObjectType);
+ ((PyDapChainDatumTxObject*)res)->datum_tx = dap_chain_ledger_tx_find_by_addr(((PyDapChainLedgerObject*)self)->ledger, token, ((PyDapChainAddrObject*)addr)->addr, ((PyDapChainHashFastObject*)first_hash)->hash_fast);
+ return Py_BuildValue("O", res);
+}
+PyObject *dap_chain_ledger_tx_find_by_pkey_py(PyObject *self, PyObject *args){
+ char *p_key;
+ size_t p_key_size;
+ PyObject *obj_first_hash;
+ if (!PyArg_ParseTuple(args, "s|n|O", &p_key, &p_key_size, &obj_first_hash))
+ return NULL;
+ PyObject *res = _PyObject_New(&DapChainDatumTx_DapChainDatumTxObjectType);
+ ((PyDapChainDatumTxObject*)res)->datum_tx = dap_chain_ledger_tx_find_by_pkey(((PyDapChainLedgerObject*)self)->ledger, p_key, p_key_size, ((PyDapChainHashFastObject*)obj_first_hash)->hash_fast);
+ return Py_BuildValue("O", res);
+}
+PyObject *dap_chain_ledger_tx_cache_find_out_cond_py(PyObject *self, PyObject *args){
+ PyObject *obj_addr;
+ PyObject *obj_first_hash;
+ if (!PyArg_ParseTuple(args, "O|O", &obj_addr, &obj_first_hash))
+ return NULL;
+ PyObject *res = _PyObject_New(&DapChainDatumTx_DapChainDatumTxObjectType);
+ ((PyDapChainDatumTxObject*)res)->datum_tx = dap_chain_ledger_tx_cache_find_out_cond(((PyDapChainLedgerObject*)self)->ledger, ((PyDapChainAddrObject*)obj_addr)->addr, ((PyDapChainHashFastObject*)obj_first_hash)->hash_fast);
+ return Py_BuildValue("O", res);
+}
+PyObject *dap_chain_ledger_tx_cache_get_out_cond_value_py(PyObject *self, PyObject *args){
+// PyObject *obj_addr;
+// PyObject *obj_out_cond;
+// if (!PyArg_ParseTuple(args, "O|O", &obj_addr, &obj_out_cond))
+// return NULL;
+// uint64_t res = dap_chain_ledger_tx_cache_get_out_cond_value(((PyDapChainLedgerObject*)self)->ledger, ((PyDapChainAddrObject*)obj_addr)->addr, ());
+}
+