def test_safe_creation_with_fixed_cost(self):
s = generate_valid_s()
owner1, _ = get_eth_address_with_key()
owner2, _ = get_eth_address_with_key()
serializer = SafeCreationSerializer(data={
's': s,
'owners': [owner1, owner2],
'threshold': 2
})
self.assertTrue(serializer.is_valid())
fixed_creation_cost = 123
with self.settings(SAFE_FIXED_CREATION_COST=fixed_creation_cost):
SafeCreationServiceProvider.del_singleton()
response = self.client.post(reverse('v1:safe-creation'),
data=serializer.data,
format='json')
response_json = response.json()
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
deployer = response_json['deployer']
self.assertTrue(check_checksum(deployer))
self.assertTrue(check_checksum(response_json['safe']))
self.assertTrue(check_checksum(response_json['funder']))
self.assertEqual(response_json['paymentToken'], NULL_ADDRESS)
self.assertEqual(int(response_json['payment']),
fixed_creation_cost)
safe_creation = SafeCreation.objects.get(deployer=deployer)
self.assertEqual(safe_creation.payment_token, None)
self.assertEqual(safe_creation.payment, fixed_creation_cost)
self.assertGreater(safe_creation.wei_deploy_cost(),
safe_creation.payment)
SafeCreationServiceProvider.del_singleton()
def test_safe_creation_with_fixed_cost(self):
salt_nonce = generate_salt_nonce()
owners = [Account.create().address for _ in range(2)]
data = {
"saltNonce": salt_nonce,
"owners": owners,
"threshold": len(owners)
}
fixed_creation_cost = 456
with self.settings(SAFE_FIXED_CREATION_COST=fixed_creation_cost):
SafeCreationServiceProvider.del_singleton()
response = self.client.post(reverse("v3:safe-creation"),
data,
format="json")
SafeCreationServiceProvider.del_singleton()
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
response_json = response.json()
safe_address = response_json["safe"]
self.assertTrue(check_checksum(safe_address))
self.assertTrue(check_checksum(response_json["paymentReceiver"]))
self.assertEqual(response_json["paymentToken"], NULL_ADDRESS)
self.assertEqual(response_json["payment"], str(fixed_creation_cost))
self.assertGreater(int(response_json["gasEstimated"]), 0)
self.assertGreater(int(response_json["gasPriceEstimated"]), 0)
self.assertGreater(len(response_json["setupData"]), 2)
def test_safe_creation_with_fixed_cost(self):
salt_nonce = generate_salt_nonce()
owners = [Account.create().address for _ in range(2)]
data = {
'saltNonce': salt_nonce,
'owners': owners,
'threshold': len(owners)
}
fixed_creation_cost = 123
with self.settings(SAFE_FIXED_CREATION_COST=fixed_creation_cost):
SafeCreationServiceProvider.del_singleton()
response = self.client.post(reverse('v2:safe-creation'), data, format='json')
SafeCreationServiceProvider.del_singleton()
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
response_json = response.json()
safe_address = response_json['safe']
self.assertTrue(check_checksum(safe_address))
self.assertTrue(check_checksum(response_json['paymentReceiver']))
self.assertEqual(response_json['paymentToken'], NULL_ADDRESS)
self.assertEqual(response_json['payment'], '123')
self.assertGreater(int(response_json['gasEstimated']), 0)
self.assertGreater(int(response_json['gasPriceEstimated']), 0)
self.assertGreater(len(response_json['setupData']), 2)
def test_safe_creation_with_payment_token(self):
salt_nonce = generate_salt_nonce()
owners = [Account.create().address for _ in range(2)]
payment_token = Account.create().address
data = {
"saltNonce": salt_nonce,
"owners": owners,
"threshold": len(owners),
"paymentToken": payment_token,
}
response = self.client.post(reverse("v3:safe-creation"),
data=data,
format="json")
self.assertEqual(response.status_code,
status.HTTP_422_UNPROCESSABLE_ENTITY)
response_json = response.json()
self.assertIn("InvalidPaymentToken", response_json["exception"])
self.assertIn(payment_token, response_json["exception"])
fixed_eth_conversion = 0.1
token_model = TokenFactory(address=payment_token,
fixed_eth_conversion=fixed_eth_conversion)
response = self.client.post(reverse("v3:safe-creation"),
data,
format="json")
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
response_json = response.json()
safe_address = response_json["safe"]
self.assertTrue(check_checksum(safe_address))
self.assertTrue(check_checksum(response_json["paymentReceiver"]))
self.assertEqual(response_json["paymentToken"], payment_token)
self.assertEqual(
int(response_json["payment"]),
int(response_json["gasEstimated"]) *
int(response_json["gasPriceEstimated"]) *
(1 / fixed_eth_conversion),
)
self.assertGreater(int(response_json["gasEstimated"]), 0)
self.assertGreater(int(response_json["gasPriceEstimated"]), 0)
self.assertGreater(len(response_json["setupData"]), 2)
self.assertTrue(SafeContract.objects.filter(address=safe_address))
self.assertTrue(
SafeCreation2.objects.filter(owners__contains=[owners[0]]))
safe_creation = SafeCreation2.objects.get(safe=safe_address)
self.assertEqual(safe_creation.payment_token, payment_token)
# Payment includes deployment gas + gas to send eth to the deployer
self.assertEqual(
safe_creation.payment,
safe_creation.wei_estimated_deploy_cost() *
(1 / fixed_eth_conversion),
)
def api(coin, address):
if coin == 'bitcoin':
if not address:
return "Please enter an address"
valid = validate_btc(address)
if valid:
return jsonify({'blockchain': coin, 'valid_address': True})
if not valid:
return jsonify({'blockchain': coin, 'valid_address': False})
if coin == 'ethereum':
if not address:
return "Please enter an address"
try:
check_checksum(address)
valid = True
except:
valid = False
return jsonify({'blockchain': coin, 'valid_address': valid})
if coin == 'ripple':
if not address:
return "Please enter an address"
valid = validate_ripple_address(address)
if valid:
return jsonify({'blockchain': coin, 'valid_address': True})
if not valid:
return jsonify({'blockchain': coin, 'valid_address': False})
return 'ripple'
if coin == 'monero':
if not address:
return "Please enter an address"
valid = validate_monero_address(address)
if valid:
return jsonify({'blockchain': coin, 'valid_address': True})
if not valid:
return jsonify({'blockchain': coin, 'valid_address': False})
return 'ripple'
return 'monero'
return 'NO REQUEST MADE'
def test_ethereum_address_field(self):
address, _ = get_eth_address_with_key()
self.assertTrue(check_checksum(address))
ethereum_address = EthereumAddress.objects.create(value=address)
ethereum_address.refresh_from_db()
self.assertTrue(check_checksum(ethereum_address.value))
self.assertEqual(address, ethereum_address.value)
ethereum_address = EthereumAddress.objects.create(value=None)
ethereum_address.refresh_from_db()
self.assertIsNone(ethereum_address.value)
with self.assertRaises(Exception):
EthereumAddress.objects.create(value='0x23')
def test_safe_creation(self):
salt_nonce = generate_salt_nonce()
owners = [Account.create().address for _ in range(2)]
data = {
'saltNonce': salt_nonce,
'owners': owners,
'threshold': len(owners)
}
response = self.client.post(reverse('v3:safe-creation'), data, format='json')
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
response_json = response.json()
safe_address = response_json['safe']
self.assertTrue(check_checksum(safe_address))
self.assertTrue(check_checksum(response_json['paymentReceiver']))
self.assertEqual(response_json['paymentToken'], NULL_ADDRESS)
self.assertEqual(int(response_json['payment']),
int(response_json['gasEstimated']) * int(response_json['gasPriceEstimated']))
self.assertGreater(int(response_json['gasEstimated']), 0)
self.assertGreater(int(response_json['gasPriceEstimated']), 0)
self.assertGreater(len(response_json['setupData']), 2)
self.assertEqual(response_json['masterCopy'], settings.SAFE_CONTRACT_ADDRESS)
self.assertTrue(SafeContract.objects.filter(address=safe_address))
self.assertTrue(SafeCreation2.objects.filter(owners__contains=[owners[0]]))
safe_creation = SafeCreation2.objects.get(safe=safe_address)
self.assertEqual(safe_creation.payment_token, None)
# Payment includes deployment gas + gas to send eth to the deployer
self.assertEqual(safe_creation.payment, safe_creation.wei_estimated_deploy_cost())
# Deploy the Safe to check it
self.send_ether(safe_address, int(response_json['payment']))
safe_creation2 = SafeCreationServiceProvider().deploy_create2_safe_tx(safe_address)
self.ethereum_client.get_transaction_receipt(safe_creation2.tx_hash, timeout=20)
safe = Safe(safe_address, self.ethereum_client)
self.assertEqual(safe.retrieve_master_copy_address(), response_json['masterCopy'])
self.assertEqual(safe.retrieve_owners(), owners)
# Test exception when same Safe is created
response = self.client.post(reverse('v3:safe-creation'), data, format='json')
self.assertEqual(response.status_code, status.HTTP_422_UNPROCESSABLE_ENTITY)
self.assertIn('SafeAlreadyExistsException', response.json()['exception'])
data = {
'salt_nonce': -1,
'owners': owners,
'threshold': 2
}
response = self.client.post(reverse('v3:safe-creation'), data, format='json')
self.assertEqual(response.status_code, status.HTTP_422_UNPROCESSABLE_ENTITY)
def validate(self, data):
super().validate(data)
if not data['to'] and not data['data']:
raise ValidationError('`data` and `to` cannot both be null')
if 'to' in data and not check_checksum(data['to']):
raise ValidationError('`to` must be a valid checksumed address')
if data['operation'] == 2:
if data['to']:
raise ValidationError(
'Operation is Create, but `to` was provided')
elif not data['to']:
raise ValidationError(
'Operation is not create, but `to` was not provided')
safe_service = SafeServiceProvider()
contract_transaction_hash = safe_service.get_hash_for_safe_tx(
data['safe'], data['to'], data['value'], data['data'],
data['operation'], data['nonce'])
if contract_transaction_hash != data['contract_transaction_hash']:
raise ValidationError('contract_transaction_hash is not valid')
return data
def deploy_create2_safe_task(self,
safe_address: str,
retry: bool = True) -> None:
"""
Check if user has sent enough ether or tokens to the safe account
If every condition is met safe is deployed
:param safe_address: safe account
:param retry: if True, retries are allowed, otherwise don't retry
"""
assert check_checksum(safe_address)
redis = RedisRepository().redis
lock_name = f'locks:deploy_create2_safe:{safe_address}'
try:
with redis.lock(lock_name, blocking_timeout=1, timeout=LOCK_TIMEOUT):
try:
SafeCreationServiceProvider().deploy_create2_safe_tx(
safe_address)
except NotEnoughFundingForCreation:
if retry:
raise self.retry(countdown=30)
except LockError:
logger.warning('Cannot get lock={} for deploying safe={}'.format(
lock_name, safe_address))
def test_ethereum_signed_message(self):
eth_address, eth_key = get_eth_address_with_key()
eth_address_bad_checksum = eth_address.lower()
prefix = settings.ETH_HASH_PREFIX
message = faker.name()
prefixed_message = prefix + message
message_hash = utils.sha3(prefixed_message)
v, r, s = utils.ecsign(message_hash, eth_key)
ethereum_signed_message = EthereumSignedMessage(message, v, r, s)
self.assertTrue(ethereum_signed_message.check_message_hash(message))
self.assertTrue(
ethereum_signed_message.check_signing_address(eth_address))
self.assertTrue(
ethereum_signed_message.check_signing_address(eth_address.lower()))
self.assertTrue(
ethereum_signed_message.check_signing_address(eth_address[2:]))
self.assertTrue(
ethereum_signed_message.check_signing_address(
eth_address_bad_checksum))
self.assertEqual(ethereum_signed_message.get_signing_address(),
eth_address)
self.assertTrue(
utils.check_checksum(
ethereum_signed_message.get_signing_address()))
def pack_address(self, token_address: str) -> str:
"""
Prepares Circles token address
:param token_address:
:return: packed string
"""
assert check_checksum(token_address)
return MAPPING_NULL_PREFIX + token_address[2:]
def circles_onboarding_organization_safe_task(safe_address: str,
owner_address: str) -> None:
"""
Check if create2 Safe is being created by a trusted user
:param safe_address: Address of the safe to-be-created
:param owner_address: Address of the first safe owner
"""
assert check_checksum(safe_address)
assert check_checksum(owner_address)
try:
redis = RedisRepository().redis
lock_name = f'locks:circles_onboarding_organization_safe_task:{safe_address}'
with redis.lock(lock_name, blocking_timeout=1, timeout=LOCK_TIMEOUT):
logger.info('Check deploying Safe for organization .. {}'.format(
safe_address))
try:
SafeCreationServiceProvider().deploy_create2_safe_tx(
safe_address)
except SafeCreation2.DoesNotExist:
pass
except NotEnoughFundingForCreation:
logger.info('Safe does not have enough fund for deployment, '
'check owner {}'.format(owner_address))
# If we have enough trust connections, fund safe
if GraphQLService().check_trust_connections_by_user(
owner_address):
logger.info(
'Fund Safe deployment for {}'.format(safe_address))
safe_creation = SafeCreation2.objects.get(
safe=safe_address)
safe_deploy_cost = safe_creation.wei_estimated_deploy_cost(
)
FundingServiceProvider().send_eth_to(safe_address,
safe_deploy_cost,
gas=24000)
else:
logger.info(
'Owner {} does not have a deployed safe'.format(
owner_address))
except LockError:
pass
def test_safe_creation(self):
s = generate_valid_s()
owner1, _ = get_eth_address_with_key()
owner2, _ = get_eth_address_with_key()
serializer = SafeCreationSerializer(data={
's': s,
'owners': [owner1, owner2],
'threshold': 2
})
self.assertTrue(serializer.is_valid())
response = self.client.post(reverse('v1:safe-creation'),
data=serializer.data,
format='json')
response_json = response.json()
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
deployer = response_json['deployer']
self.assertTrue(check_checksum(deployer))
self.assertTrue(check_checksum(response_json['safe']))
self.assertTrue(check_checksum(response_json['funder']))
self.assertEqual(response_json['paymentToken'], NULL_ADDRESS)
self.assertGreater(int(response_json['payment']), 0)
self.assertTrue(
SafeContract.objects.filter(address=response.data['safe']))
self.assertTrue(SafeCreation.objects.filter(owners__contains=[owner1]))
safe_creation = SafeCreation.objects.get(deployer=deployer)
self.assertEqual(safe_creation.payment_token, None)
# Payment includes deployment gas + gas to send eth to the deployer
self.assertGreater(safe_creation.payment,
safe_creation.wei_deploy_cost())
serializer = SafeCreationSerializer(data={
's': -1,
'owners': [owner1, owner2],
'threshold': 2
})
self.assertFalse(serializer.is_valid())
response = self.client.post(reverse('v1:safe-creation'),
data=serializer.data,
format='json')
self.assertEqual(response.status_code,
status.HTTP_422_UNPROCESSABLE_ENTITY)
def circles_onboarding_organization_signup_task(safe_address: str) -> None:
"""
Check if Organization Safe is already registered in the Hub, if not, fund it
:param safe_address: Address of the created safe
"""
assert check_checksum(safe_address)
# Additional funds for organization deployments (it should at least cover
# one `trust` method call) next to the `organizationSignup` method
ADDITIONAL_START_FUNDS = 100000000000000
try:
redis = RedisRepository().redis
lock_name = f'locks:circles_onboarding_organization_signup_task:{safe_address}'
with redis.lock(lock_name, blocking_timeout=1, timeout=LOCK_TIMEOUT):
logger.info(
'Fund organizationSignup task for {}'.format(safe_address))
ethereum_client = EthereumClientProvider()
# Do nothing if account already exists in Hub
if CirclesService(ethereum_client).is_organization_deployed(
safe_address):
logger.info('Organization is already deployed for {}'.format(
safe_address))
return
# Do nothing if the signup is already funded
transaction_service = TransactionServiceProvider()
# Sum `organizationSignup` and additional `trust` transactions
# costs as the organization needs to trust at least one user in the
# beginning to receive more funds
payment = transaction_service.estimate_circles_organization_signup_tx(
safe_address) + ADDITIONAL_START_FUNDS
safe_balance = ethereum_client.get_balance(safe_address)
logger.info(
'Found %d balance for organization deployment of safe=%s. Required=%d',
safe_balance, safe_address, payment)
if safe_balance >= payment:
logger.info(
'Organization is already funded {}'.format(safe_address))
return
# Otherwise fund deployment
logger.info('Fund Organization {}'.format(safe_address))
FundingServiceProvider().send_eth_to(safe_address,
payment - safe_balance,
gas=30000,
retry=True)
except LockError:
pass
def validate_checksumed_address(address):
try:
if not check_checksum(address):
raise ValidationError(
'%(address)s has an invalid checksum',
params={'address': address},
)
except:
raise ValidationError(
'%(address)s is not a valid ethereum address',
params={'address': address},
)
def findLowerCase(addressList):
total = len(addressList)
lower = 0
valid = 0
validList = []
for address in addressList:
if address == address.lower():
lower = lower + 1
if check_checksum(address):
valid = valid + 1
validList.append(address + '\n')
return validList, total, lower, valid
def test_safe_creation(self):
salt_nonce = generate_salt_nonce()
owners = [Account.create().address for _ in range(2)]
data = {
'saltNonce': salt_nonce,
'owners': owners,
'threshold': len(owners)
}
response = self.client.post(reverse('v2:safe-creation'), data, format='json')
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
response_json = response.json()
safe_address = response_json['safe']
self.assertTrue(check_checksum(safe_address))
self.assertTrue(check_checksum(response_json['paymentReceiver']))
self.assertEqual(response_json['paymentToken'], NULL_ADDRESS)
self.assertEqual(int(response_json['payment']),
int(response_json['gasEstimated']) * int(response_json['gasPriceEstimated']))
self.assertGreater(int(response_json['gasEstimated']), 0)
self.assertGreater(int(response_json['gasPriceEstimated']), 0)
self.assertGreater(len(response_json['setupData']), 2)
self.assertTrue(SafeContract.objects.filter(address=safe_address))
self.assertTrue(SafeCreation2.objects.filter(owners__contains=[owners[0]]))
safe_creation = SafeCreation2.objects.get(safe=safe_address)
self.assertEqual(safe_creation.payment_token, None)
# Payment includes deployment gas + gas to send eth to the deployer
self.assertEqual(safe_creation.payment, safe_creation.wei_estimated_deploy_cost())
# Test exception when same Safe is created
response = self.client.post(reverse('v2:safe-creation'), data, format='json')
self.assertEqual(response.status_code, status.HTTP_422_UNPROCESSABLE_ENTITY)
self.assertIn('SafeAlreadyExistsException', response.json()['exception'])
data = {
'salt_nonce': -1,
'owners': owners,
'threshold': 2
}
response = self.client.post(reverse('v2:safe-creation'), data, format='json')
self.assertEqual(response.status_code, status.HTTP_422_UNPROCESSABLE_ENTITY)
def send_eth_to(self,
to: str,
gas_price: int,
value: int,
gas: int = 22000) -> bytes:
"""
Send ether using configured account
:param to: to
:param gas_price: gas_price
:param value: value(wei)
:param gas: gas, defaults to 22000
:return: tx_hash
"""
assert check_checksum(to)
assert value < self.w3.toWei(self.max_eth_to_send, 'ether')
private_key = self.funder_private_key
if private_key:
ethereum_account = self.private_key_to_address(private_key)
tx = {
'to': to,
'value': value,
'gas': gas,
'gasPrice': gas_price,
'nonce': self.get_nonce_for_account(ethereum_account),
}
signed_tx = self.w3.eth.account.signTransaction(
tx, private_key=private_key)
logger.debug('Sending %d wei from %s to %s', value,
ethereum_account, to)
return self.w3.eth.sendRawTransaction(signed_tx.rawTransaction)
elif self.w3.eth.accounts:
ethereum_account = self.w3.eth.accounts[0]
tx = {
'from': ethereum_account,
'to': to,
'value': value,
'gas': gas,
'gasPrice': gas_price,
'nonce': self.get_nonce_for_account(ethereum_account),
}
logger.debug('Sending %d wei from %s to %s', value,
ethereum_account, to)
return self.w3.eth.sendTransaction(tx)
else:
logger.error('No ethereum account configured')
raise ValueError(
"Ethereum account was not configured or unlocked in the node")
def begin_circles_onboarding_organization_task(self, safe_address: str,
owner_address: str) -> None:
"""
Starts a multi-step onboarding task for Circles organizations which 1. funds
deploys a Gnosis Safe for them 2. funds the deployment of their Organization.
:param safe_address: Address of the safe to-be-created
:param owner_address: Address of the first safe owner
"""
assert check_checksum(safe_address)
assert check_checksum(owner_address)
redis = RedisRepository().redis
lock_name = f'locks:begin_circles_onboarding_organization_task:{safe_address}'
try:
with redis.lock(lock_name, blocking_timeout=1, timeout=LOCK_TIMEOUT):
logger.info(
'Start onboarding for Circles Organization Safe {}'.format(
safe_address))
# Deploy Safe when it does not exist yet
safe_creation2 = SafeCreation2.objects.get(safe=safe_address)
if not safe_creation2.tx_hash:
logger.info(
'Safe does not exist yet, start deploying it {}'.format(
safe_address))
circles_onboarding_organization_safe_task.delay(
safe_address, owner_address)
# Retry later to check for signup funding
raise self.retry(countdown=30)
else:
logger.info(
'Safe exists, start funding organizationSignup for {}'.
format(safe_address))
# Fund deployment when Organization does not exist yet
circles_onboarding_organization_signup_task.delay(safe_address)
except LockError:
pass
def send_eth_to(self,
private_key: str,
to: str,
gas_price: int,
value: int,
gas: int = 22000,
nonce: Optional[int] = None,
retry: bool = False,
block_identifier: Optional[str] = 'pending') -> bytes:
"""
Send ether using configured account
:param to: to
:param gas_price: gas_price
:param value: value(wei)
:param gas: gas, defaults to 22000
:param retry: Retry if a problem is found
:param nonce: Nonce of sender account
:param block_identifier: Block identifier for nonce calculation
:return: tx_hash
"""
assert check_checksum(to)
tx = {
'to': to,
'value': value,
'gas': gas,
'gasPrice': gas_price,
}
if nonce is not None:
tx['nonce'] = nonce
return self.send_unsigned_transaction(
tx,
private_key=private_key,
retry=retry,
block_identifier=block_identifier)
def begin_circles_onboarding_task(self, safe_address: str) -> None:
"""
Starts a multi-step onboarding task for Circles users which 1. funds
deploys a Gnosis Safe for them 2. funds the deployment of their Token.
:param safe_address: Address of the safe to-be-created
"""
assert check_checksum(safe_address)
redis = RedisRepository().redis
lock_name = f'locks:begin_circles_onboarding_task:{safe_address}'
try:
with redis.lock(lock_name, blocking_timeout=1, timeout=LOCK_TIMEOUT):
ethereum_client = EthereumClientProvider()
# Do nothing if Token is already deployed
if CirclesService(ethereum_client).is_token_deployed(safe_address):
logger.info(
'Token is already deployed for {}'.format(safe_address))
return
logger.info(
'No token found, start onboarding for Circles Safe {}'.format(
safe_address))
# Deploy Safe when it does not exist yet
safe_creation2 = SafeCreation2.objects.get(safe=safe_address)
if not safe_creation2.tx_hash:
logger.info(
'Safe does not exist yet, start deploying it {}'.format(
safe_address))
circles_onboarding_safe_task.delay(safe_address)
else:
logger.info('Safe exists, we are done with safe {}'.format(
safe_address))
except LockError:
pass
def main():
'''
Main method. Runs the program if it is used standalone (rather than as an exported library).
'''
parser = _get_args()
if len(parser.target_address) != 42:
log.error(
"Target Address length does not appear to match the correct length of an Ethereum address"
)
sys.exit(1)
if len(parser.from_address) != 42:
log.error(
"From Address length does not appear to match the correct length of an Ethereum address"
)
sys.exit(1)
if parser.target_address[0:2] != "0x":
log.error(
"Target address not in expected format, expected address to start with 0x"
)
sys.exit(1)
if parser.from_address[0:2] != "0x":
log.error(
"From address not in expected format, expected address to start with 0x"
)
sys.exit(1)
if not check_checksum(parser.target_address):
log.error(
"Target address is not correctly encoded using EIP-55 {}".format(
parser.target_address))
sys.exit(1)
if not check_checksum(parser.from_address):
log.error(
"From address is not correctly encoded using EIP-55 {}".format(
parser.from_address))
sys.exit(1)
toAddress = normalize_address(parser.target_address)
fromAddress = normalize_address(parser.from_address)
gasPrice = parser.gas_price
gasLimit = parser.gas_limit
sendAmount = parser.amount
if (parser.dapp_data):
dappData = rec_bin(parser.dapp_data)
else:
dappData = b""
tx, addressB, commit, randw = _generateAddressBInternal(
fromAddress, toAddress, sendAmount, dappData, gasPrice, gasLimit)
# print("-"* 35)
# printRemix(fromAddress, tx, encode_hex(randw))
print("-" * 35)
print("AddressB: {}".format(addressB)
) # addressB also can retrieved using tx.to_dict().get("sender")
print("commit: {}".format(encode_hex(commit)))
print("witness (w): {}".format(encode_hex(randw)))
# print("Reveal Transation (json): {}".format(tx.to_dict()))
print("Reveal Transaction (hex): {}".format(encode_hex(rlp.encode(tx))))
print(
"You can use the reveal transaction hex to broadcast with any service you like, e.g.: https://ropsten.etherscan.io/pushTx"
)
startIndex = 17
endIndex = 27
LETTERS = 22
TESTS = 10000
MAX = (endIndex - startIndex) * LETTERS
replacingSequence = list(range(0, MAX))
random.shuffle(replacingSequence)
total_found = 0
total_tested = 0
for _ in range(0, TESTS):
originalAccount = w3.eth.account.create(secrets.token_hex(32))
originalAddress = originalAccount.address
if not check_checksum(originalAddress):
print("Invalid EIP55 address")
else:
total_tested += 1
found = False
k = 0
replacedAddress = ""
while not found and k < MAX:
position = startIndex + replacingSequence[k] // LETTERS
replacedLetter = letterList[replacingSequence[k] % LETTERS]
originalLetter = originalAddress[position]
if replacedLetter.lower() != originalLetter.lower():
temp = list(originalAddress)
temp[position] = replacedLetter
replacedAddress = "".join(temp)
def fund_deployer_task(self, safe_address: str, retry: bool = True) -> None:
"""
Check if user has sent enough ether or tokens to the safe account
If every condition is met ether is sent to the deployer address and `check_deployer_funded_task`
is called to check that that tx is mined
If everything goes well in SafeFunding `safe_funded=True` and `deployer_funded_tx_hash=tx_hash` are set
:param safe_address: safe account
:param retry: if True, retries are allowed, otherwise don't retry
"""
safe_contract = SafeContract.objects.get(address=safe_address)
try:
safe_creation = SafeCreation.objects.get(safe=safe_address)
except SafeCreation.DoesNotExist:
deploy_create2_safe_task.delay(safe_address)
return
deployer_address = safe_creation.deployer
payment = safe_creation.payment
# These asserts just to make sure we are not wasting money
assert check_checksum(safe_address)
assert check_checksum(deployer_address)
assert checksum_encode(mk_contract_address(sender=deployer_address, nonce=0)) == safe_address
assert payment > 0
redis = RedisRepository().redis
with redis.lock('locks:fund_deployer_task', timeout=LOCK_TIMEOUT):
ethereum_client = EthereumClientProvider()
safe_funding, _ = SafeFunding.objects.get_or_create(safe=safe_contract)
# Nothing to do if everything is funded and mined
if safe_funding.is_all_funded():
logger.debug('Nothing to do here for safe %s. Is all funded', safe_address)
return
# If receipt exists already, let's check
if safe_funding.deployer_funded_tx_hash and not safe_funding.deployer_funded:
logger.debug('Safe %s deployer has already been funded. Checking tx_hash %s',
safe_address,
safe_funding.deployer_funded_tx_hash)
check_deployer_funded_task.delay(safe_address)
elif not safe_funding.deployer_funded:
confirmations = settings.SAFE_FUNDING_CONFIRMATIONS
last_block_number = ethereum_client.current_block_number
assert (last_block_number - confirmations) > 0
if safe_creation.payment_token and safe_creation.payment_token != NULL_ADDRESS:
safe_balance = ethereum_client.erc20.get_balance(safe_address, safe_creation.payment_token)
else:
safe_balance = ethereum_client.get_balance(safe_address, last_block_number - confirmations)
if safe_balance >= payment:
logger.info('Found %d balance for safe=%s', safe_balance, safe_address)
safe_funding.safe_funded = True
safe_funding.save()
# Check deployer has no eth. This should never happen
balance = ethereum_client.get_balance(deployer_address)
if balance:
logger.error('Deployer=%s for safe=%s has eth already (%d wei)',
deployer_address, safe_address, balance)
else:
logger.info('Safe=%s. Transferring deployment-cost=%d to deployer=%s',
safe_address, safe_creation.wei_deploy_cost(), deployer_address)
tx_hash = FundingServiceProvider().send_eth_to(deployer_address,
safe_creation.wei_deploy_cost(),
gas_price=safe_creation.gas_price,
retry=True)
if tx_hash:
tx_hash = tx_hash.hex()
logger.info('Safe=%s. Transferred deployment-cost=%d to deployer=%s with tx-hash=%s',
safe_address, safe_creation.wei_deploy_cost(), deployer_address, tx_hash)
safe_funding.deployer_funded_tx_hash = tx_hash
safe_funding.save()
logger.debug('Safe=%s deployer has just been funded. tx_hash=%s', safe_address, tx_hash)
check_deployer_funded_task.apply_async((safe_address,), countdown=20)
else:
logger.error('Cannot send payment=%d to deployer safe=%s', payment, deployer_address)
if retry:
raise self.retry(countdown=30)
else:
logger.info('Not found required balance=%d for safe=%s', payment, safe_address)
if retry:
raise self.retry(countdown=30)
def test_safe_creation_with_payment_token(self):
s = generate_valid_s()
owner1, _ = get_eth_address_with_key()
owner2, _ = get_eth_address_with_key()
payment_token, _ = get_eth_address_with_key()
serializer = SafeCreationSerializer(
data={
's': s,
'owners': [owner1, owner2],
'threshold': 2,
'payment_token': payment_token,
})
self.assertTrue(serializer.is_valid())
response = self.client.post(reverse('v1:safe-creation'),
data=serializer.data,
format='json')
self.assertEqual(response.status_code,
status.HTTP_422_UNPROCESSABLE_ENTITY)
response_json = response.json()
self.assertIn('InvalidPaymentToken', response_json['exception'])
self.assertIn(payment_token, response_json['exception'])
# With previous versions of ganache it failed, because token was on DB but not in blockchain,
# so gas cannot be estimated. With new versions of ganache estimation is working
token_model = TokenFactory(address=payment_token,
fixed_eth_conversion=0.1)
response = self.client.post(reverse('v1:safe-creation'),
data=serializer.data,
format='json')
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
erc20_contract = self.deploy_example_erc20(10000, NULL_ADDRESS)
payment_token = erc20_contract.address
serializer = SafeCreationSerializer(
data={
's': s,
'owners': [owner1, owner2],
'threshold': 2,
'payment_token': payment_token,
})
self.assertTrue(serializer.is_valid())
token_model = TokenFactory(address=payment_token,
fixed_eth_conversion=0.1)
response = self.client.post(reverse('v1:safe-creation'),
data=serializer.data,
format='json')
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
response_json = response.json()
deployer = response_json['deployer']
self.assertTrue(check_checksum(deployer))
self.assertTrue(check_checksum(response_json['safe']))
self.assertEqual(response_json['paymentToken'], payment_token)
self.assertTrue(
SafeContract.objects.filter(address=response.data['safe']))
safe_creation = SafeCreation.objects.get(deployer=deployer)
self.assertIn(owner1, safe_creation.owners)
self.assertEqual(safe_creation.payment_token, payment_token)
self.assertGreater(safe_creation.payment,
safe_creation.wei_deploy_cost())
# Check that payment is more than with ether
token_payment = response_json['payment']
serializer = SafeCreationSerializer(data={
's': s,
'owners': [owner1, owner2],
'threshold': 2,
})
self.assertTrue(serializer.is_valid())
response = self.client.post(reverse('v1:safe-creation'),
data=serializer.data,
format='json')
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
response_json = response.json()
payment_using_ether = response_json['payment']
self.assertGreater(token_payment, payment_using_ether)
# Check that token with fixed conversion price to 1 is a little higher than with ether
# (We need to pay for storage for token transfer, as funder does not own any token yet)
erc20_contract = self.deploy_example_erc20(10000, NULL_ADDRESS)
payment_token = erc20_contract.address
token_model = TokenFactory(address=payment_token,
fixed_eth_conversion=1)
serializer = SafeCreationSerializer(
data={
's': s,
'owners': [owner1, owner2],
'threshold': 2,
'payment_token': payment_token
})
self.assertTrue(serializer.is_valid())
response = self.client.post(reverse('v1:safe-creation'),
data=serializer.data,
format='json')
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
response_json = response.json()
deployer = response_json['deployer']
payment_using_token = response_json['payment']
self.assertGreater(payment_using_token, payment_using_ether)
safe_creation = SafeCreation.objects.get(deployer=deployer)
# Payment includes also the gas to send ether to the safe deployer
self.assertGreater(safe_creation.payment,
safe_creation.wei_deploy_cost())
def circles_onboarding_safe_task(self, safe_address: str) -> None:
"""
Check if create2 Safe has enough incoming trust connections to fund and
deploy it
:param safe_address: Address of the safe to-be-created
"""
assert check_checksum(safe_address)
try:
redis = RedisRepository().redis
lock_name = f'locks:circles_onboarding_safe_task:{safe_address}'
with redis.lock(lock_name, blocking_timeout=1, timeout=LOCK_TIMEOUT):
logger.info('Check deploying Safe .. {}'.format(safe_address))
try:
SafeCreationServiceProvider().deploy_create2_safe_tx(
safe_address)
except SafeCreation2.DoesNotExist:
pass
except NotEnoughFundingForCreation:
logger.info('Safe does not have enough fund for deployment, '
'check trust connections {}'.format(safe_address))
# If we have enough trust connections, fund safe
if GraphQLService().check_trust_connections(safe_address):
logger.info(
'Fund Safe deployment for {}'.format(safe_address))
ethereum_client = EthereumClientProvider()
safe_creation = SafeCreation2.objects.get(
safe=safe_address)
# Estimate costs of safe creation
safe_deploy_cost = safe_creation.wei_estimated_deploy_cost(
)
logger.info('Estimating %d for safe creation',
safe_deploy_cost)
# Estimate costs of token creation
transaction_service = TransactionServiceProvider()
token_deploy_cost = transaction_service.estimate_circles_signup_tx(
safe_address)
logger.info('Estimating %d for token deployment',
token_deploy_cost)
# Find total onboarding costs
payment = safe_deploy_cost + token_deploy_cost
# Get current safe balance
safe_balance = ethereum_client.get_balance(safe_address)
logger.info(
'Found %d balance for token deployment of safe=%s. Required=%d',
safe_balance, safe_address, payment)
if safe_balance >= payment:
logger.info('Onboarding is already funded {}'.format(
safe_address))
return
FundingServiceProvider().send_eth_to(safe_address,
payment,
gas=24000)
# Retry later to check for enough funding and successful deployment
raise self.retry(countdown=30)
else:
logger.info(
'Not enough trust connections for funding deployment {}'
.format(safe_address))
except LockError:
pass
def pack_address(self, address):
assert check_checksum(address)
return "000000000000000000000000" + address[2:]
lower = ['a', 'b', 'c', 'd', 'e']
startIndex = 17
endIndex = 27 #start with 0x, so indices [17,27) is the middle 10 letters
LETTERS = 22
MAX = (
endIndex - startIndex
) * LETTERS # there are 10 positions to replace, and every position has 22(0-9,a-f,A-F) possible symbols. We only replace one symbol, so there are 22*10=220 possible choices. Of course, some of them are invalid (such as replacing "a" by "a", that can be filtered later).
replacingSequence = list(range(
0, MAX)) # generate a sequence from 0 to 219 to represent 220 choices.
random.shuffle(
replacingSequence
) # Shuffle the sequence to make the search be random. It doesn't matter if don't shuffle.
originalAddress = sys.argv[1] # get the input from command line
if not check_checksum(originalAddress):
print("Invalid EIP55 address") #check whether the input is valid
else:
found = False
k = 0
replacedAddress = ""
while not found and k < MAX:
position = startIndex + replacingSequence[
k] // LETTERS #we use number 0 to 219 to represent replacing choices. Here we map the number to the choice, i.e. the position and the letter
replacedLetter = letterList[replacingSequence[k] % LETTERS]
originalLetter = originalAddress[position]
#print(k,position,originalLetter,replacedLetter)
if replacedLetter.lower() != originalLetter.lower(
