def __deserialize_stack_item(reader: BinaryReader) -> dict or bytearray:
param_type = reader.read_byte()
if param_type == BuildParams.Type.bytearray_type.value:
b = reader.read_var_bytes()
return b
elif param_type == BuildParams.Type.bool_type.value:
return reader.read_bool()
elif param_type == BuildParams.Type.int_type.value:
b = reader.read_var_bytes()
return ContractDataParser.__big_int_from_bytes(bytearray(b))
elif param_type == BuildParams.Type.struct_type.value or param_type == BuildParams.Type.array_type.value:
count = reader.read_var_int()
item_list = list()
for _ in range(count):
item = ContractDataParser.__deserialize_stack_item(reader)
item_list.append(item)
if param_type == BuildParams.Type.struct_type.value:
return Struct(item_list)
return item_list
elif param_type == BuildParams.Type.dict_type.value:
count = reader.read_var_int()
item_dict = dict()
for _ in range(count):
key = ContractDataParser.__deserialize_stack_item(reader)
value = ContractDataParser.__deserialize_stack_item(reader)
item_dict[key] = value
return item_dict
else:
raise SDKException(ErrorCode.other_error('type error'))
def deserialize_stack_item(reader: BinaryReader) -> dict:
t = reader.read_byte()
if t == BuildParams.Type.bytearray_type.value:
b = reader.read_var_bytes()
return b
elif t == BuildParams.Type.bool_type.value:
return reader.read_bool()
elif t == BuildParams.Type.int_type.value:
b = reader.read_var_bytes()
return bigint_from_bytes(b)
elif t == BuildParams.Type.struct_type.value or t == BuildParams.Type.array_type.value:
count = reader.read_var_int()
# TODO
item_list = list()
for _ in range(count):
item = deserialize_stack_item(reader)
item_list.append(item)
if t == t == BuildParams.Type.struct_type.value:
return Struct(item_list)
return item_list
elif t == BuildParams.Type.dict_type.value:
count = reader.read_var_int()
item_dict = dict()
for _ in range(count):
key = deserialize_stack_item(reader)
value = deserialize_stack_item(reader)
item_dict[key] = value
return item_dict
else:
raise SDKException(ErrorCode.other_error('type error'))
