mirror of https://github.com/crytic/slither
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
2.2 KiB
44 lines
2.2 KiB
import re, logging
|
|
from slither.utils.colors import red, yellow, set_colorization_enabled
|
|
|
|
logging.basicConfig(level=logging.INFO)
|
|
logger = logging.getLogger('Slither.Format')
|
|
set_colorization_enabled(True)
|
|
|
|
class FormatConstantFunction:
|
|
|
|
@staticmethod
|
|
def format(slither, patches, elements):
|
|
for element in elements:
|
|
if element['type'] != "function":
|
|
# Skip variable elements
|
|
continue
|
|
target_contract = slither.get_contract_from_name(element['type_specific_fields']['parent']['name'])
|
|
if target_contract:
|
|
for function in target_contract.functions:
|
|
if function.name == element['name']:
|
|
FormatConstantFunction.create_patch(slither, patches, \
|
|
element['source_mapping']['filename_absolute'], \
|
|
element['source_mapping']['filename_relative'], \
|
|
["view","pure","constant"], "", \
|
|
int(function.parameters_src.source_mapping['start']), \
|
|
int(function.returns_src.source_mapping['start']))
|
|
break
|
|
|
|
@staticmethod
|
|
def create_patch(slither, patches, in_file, in_file_relative, match_text, replace_text, modify_loc_start, modify_loc_end):
|
|
in_file_str = slither.source_code[in_file].encode('utf-8')
|
|
old_str_of_interest = in_file_str[modify_loc_start:modify_loc_end]
|
|
m = re.search("(view|pure|constant)", old_str_of_interest.decode('utf-8'))
|
|
if m:
|
|
patches[in_file_relative].append({
|
|
"file" : in_file,
|
|
"detector" : "constant-function",
|
|
"start" : modify_loc_start + m.span()[0],
|
|
"end" : modify_loc_start + m.span()[1],
|
|
"old_string" : m.groups(0)[0],
|
|
"new_string" : replace_text
|
|
})
|
|
else:
|
|
logger.error(red("No view/pure/constant specifier exists. Regex failed to remove specifier!"))
|
|
sys.exit(-1)
|
|
|