def import_from_raw_text_signature(cls, raw_event_signature):
try:
text_signature = normalize_event_signature(raw_event_signature)
except ValueError:
logger.error("error event signature: %s", raw_event_signature)
return None
else:
logger.info("importing event signature: %s", text_signature)
return cls.objects.get_or_create(text_signature=text_signature, )
def test_create_complex_signature(api_client):
text_signature = 'getOrdersInfo((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[])' # noqa: E501
response = api_client.post(EVENT_API_URL,
{'text_signature': text_signature})
assert response.status_code == status.HTTP_201_CREATED
data = response.data
assert data['text_signature'] == text_signature
assert data['bytes_signature'] == force_text(
event_signature_to_log_topic(
normalize_event_signature(data['text_signature'])))
assert data[
'hex_signature'] == '0x7e9d74dc5e5d1a841950b2603b1fc48e0a1c1391bbb4ed24915c26cf1ff33ccb'
def validate_text_signature(self, value):
validated_signatures = dict()
exceptions_messages = []
try:
normalized_function_signature = normalize_function_signature(value)
validated_signatures.update(
{'function_signature': normalized_function_signature})
except ValueError as e:
exceptions_messages.append(f'Function import error: {str(e)}.')
try:
normalized_event_signature = normalize_event_signature(value)
validated_signatures.update(
{'event_signature': normalized_event_signature})
except ValueError as e:
exceptions_messages.append(f'Event import error: {str(e)}.')
if len(validated_signatures) == 0:
raise ValueError(' '.join(exceptions_messages))
return validated_signatures
def validate_text_signature(self, value):
validated_signatures = dict()
exceptions = []
try:
normalized_function_signature = normalize_function_signature(value)
validated_signatures.update(
{'function_signature': normalized_function_signature})
except ValueError as e:
exceptions.append(e)
try:
normalized_event_signature = normalize_event_signature(value)
validated_signatures.update(
{'event_signature': normalized_event_signature})
except ValueError as e:
exceptions.append(e)
if len(validated_signatures) == 0:
raise ValueError(exceptions)
return validated_signatures
def validate_text_signature(self, data):
try:
signature = normalize_event_signature(data)
except ValueError:
raise serializers.ValidationError('Unknown event signature format')
return signature
def test_bad_event_signatures(raw_signature):
with pytest.raises(ValueError):
normalize_event_signature(raw_signature)
def test_normalizing_event_signatures(raw_signature, expected):
actual = normalize_event_signature(raw_signature)
assert actual == expected
def clean_fields(self, exclude=None):
try:
self.text_signature = normalize_event_signature(
self.text_signature)
except ValueError:
raise ValidationError('Unknown event signature format')