def signTransaction(self, transaction_dict, private_key):
if not isinstance(transaction_dict, Mapping):
raise TypeError("transaction_dict must be dict-like, got %r" %
transaction_dict)
# check and set default
if 'useLocal' not in transaction_dict:
transaction_dict.setdefault('useLocal', False)
if 'extra' not in transaction_dict:
transaction_dict.setdefault('extra', "")
user_local = "0"
if transaction_dict["useLocal"]:
user_local = "1"
sign_str = transaction_dict["chainId"] + '-' + remove_0x_prefix(transaction_dict["from"].lower()) + '-' + \
remove_0x_prefix(transaction_dict["to"].lower()) + '-' + transaction_dict["nonce"] + '-' + \
user_local + '-' + transaction_dict["value"] + '-' + \
remove_0x_prefix(transaction_dict["input"].lower())
sign_str = sign_str + '-'
if transaction_dict["extra"] != '':
sign_str = sign_str + transaction_dict["extra"]
sign_bytes = to_bytes(text=sign_str)
res = eth_utils_keccak(sign_bytes)
sign_hash = self.account.signHash(to_hex(res), private_key=private_key)
transaction_dict["sig"] = to_hex(sign_hash.signature)
pk = keys.PrivateKey(private_key)
transaction_dict["pub"] = "0x04" + pk.public_key.to_hex()[2:]
return transaction_dict
def signTransaction(self, transaction_dict, private_key):
if not isinstance(transaction_dict, Mapping):
raise TypeError("transaction_dict must be dict-like, got %r" %
transaction_dict)
sign_str = transaction_dict["chainId"] + remove_0x_prefix(transaction_dict["from"].lower()) + \
remove_0x_prefix(transaction_dict["to"].lower()) + transaction_dict["nonce"] + \
transaction_dict["value"] + remove_0x_prefix(transaction_dict["input"].lower())
sign_bytes = to_bytes(text=sign_str)
res = eth_utils_keccak(sign_bytes)
sign_hash = self.account.signHash(to_hex(res), private_key=private_key)
print("sign_hash=", sign_hash)
transaction_dict["sig"] = to_hex(sign_hash.signature)
pk = keys.PrivateKey(private_key)
transaction_dict["pub"] = "0x04" + pk.public_key.to_hex()[2:]
return transaction_dict
def abi_bytes_to_hex(abi_type, type_str, data):
if abi_type.base != 'bytes' or abi_type.is_array:
return
bytes_data = hexstr_if_str(to_bytes, data)
if abi_type.sub is None:
return type_str, to_hex(bytes_data)
num_bytes = abi_type.sub
if len(bytes_data) > num_bytes:
raise ValueError(
"This value was expected to be at most %d bytes, but instead was %d: %r"
% ((num_bytes, len(bytes_data), data)))
padded = bytes_data.ljust(num_bytes, b'\0')
return type_str, to_hex(padded)
def encode_abi(w3: "Web3",
abi: ABIFunction,
arguments: Sequence[Any],
data: Optional[HexStr] = None) -> HexStr:
argument_types = get_abi_input_types(abi)
if not check_if_arguments_can_be_encoded(abi, w3.codec, arguments, {}):
raise TypeError(
"One or more arguments could not be encoded to the necessary "
f"ABI type. Expected types are: {', '.join(argument_types)}")
normalizers = [
abi_ens_resolver(w3),
abi_address_to_hex,
abi_bytes_to_bytes,
abi_string_to_text,
]
normalized_arguments = map_abi_data(
normalizers,
argument_types,
arguments,
)
encoded_arguments = w3.codec.encode_abi(
argument_types,
normalized_arguments,
)
if data:
return to_hex(HexBytes(data) + encoded_arguments)
else:
return encode_hex(encoded_arguments)
def encode_abi(web3, abi, arguments, data=None):
argument_types = get_abi_input_types(abi)
if not check_if_arguments_can_be_encoded(abi, arguments, {}):
raise TypeError(
"One or more arguments could not be encoded to the necessary "
"ABI type. Expected types are: {0}".format(
', '.join(argument_types), ))
normalizers = [
abi_ens_resolver(web3),
abi_address_to_hex,
abi_bytes_to_bytes,
abi_string_to_text,
]
normalized_arguments = map_abi_data(
normalizers,
argument_types,
arguments,
)
encoded_arguments = eth_abi_encode_abi(
argument_types,
normalized_arguments,
)
if data:
return to_hex(HexBytes(data) + encoded_arguments)
else:
return encode_hex(encoded_arguments)
def abi_bytes_to_hex(abi_type, data):
base, sub, arrlist = process_type(abi_type)
if base == 'bytes' and not arrlist:
bytes_data = hexstr_if_str(to_bytes, data)
if not sub:
return abi_type, to_hex(bytes_data)
else:
num_bytes = int(sub)
if len(bytes_data) <= num_bytes:
padded = bytes_data.ljust(num_bytes, b'\0')
return abi_type, to_hex(padded)
else:
raise ValueError(
"This value was expected to be at most %d bytes, but instead was %d: %r" % (
(num_bytes, len(bytes_data), data)
)
)
def test_conversion_round_trip(value):
intermediate_value = to_hex(value)
result_value = to_int(hexstr=intermediate_value)
error_msg = "Expected: {0!r}, Result: {1!r}, Intermediate: {2!r}".format(
value,
result_value,
intermediate_value,
)
assert result_value == value, error_msg
def sign_munger(
self,
account: Union[Address, ChecksumAddress, ENS],
data: Union[int, bytes] = None,
hexstr: HexStr = None,
text: str = None
) -> Tuple[Union[Address, ChecksumAddress, ENS], HexStr]:
message_hex = to_hex(data, hexstr=hexstr, text=text)
return (account, message_hex)
def signTransaction(transaction_dict, private_key):
FULL_NODE_HOSTS = 'http://192.168.1.13:8089'
provider = HTTPProvider (FULL_NODE_HOSTS)
web3 = Web3 (provider)
if not isinstance(transaction_dict, Mapping):
raise TypeError("transaction_dict must be dict-like, got %r" % transaction_dict)
sign_str = transaction_dict["chainId"] + remove_0x_prefix(transaction_dict["from"].lower()) + \
remove_0x_prefix(transaction_dict["to"].lower()) + transaction_dict["nonce"] + \
transaction_dict["value"] + remove_0x_prefix(transaction_dict["input"].lower())
sign_bytes = to_bytes(text=sign_str)
res = eth_utils_keccak(sign_bytes)
sign_hash = web3.eth.account.signHash(to_hex(res), private_key=private_key)
transaction_dict["sig"] = to_hex(sign_hash.signature)
pk = keys.PrivateKey(private_key)
transaction_dict["pub"] = "0x04" + pk.public_key.to_hex()[2:]
print(transaction_dict)
return transaction_dict
def sign(self,
account: Union[Address, ChecksumAddress, ENS],
data: bytes = None,
hexstr: HexStr = None,
text: str = None) -> HexStr:
message_hex = to_hex(data, hexstr=hexstr, text=text)
return self.web3.manager.request_blocking(
"eth_sign",
[account, message_hex],
)
def sign(self,
account: Union[Address, ChecksumAddress, ENS],
data: Optional[Union[int, bytes]] = None,
hexstr: Optional[HexStr] = None,
text: Optional[str] = None) -> HexStr:
message_hex = to_hex(data, hexstr=hexstr, text=text)
return self.web3.manager.request_blocking(
RPC.eth_sign,
[account, message_hex],
)
def waitForTransactionReceipt(self, transaction_hash, timeout=120):
try:
return wait_for_transaction_receipt(self.web3, transaction_hash, timeout)
except Timeout:
raise TimeExhausted(
"Transaction {} is not in the chain, after {} seconds".format(
to_hex(transaction_hash),
timeout,
)
)
def signTransaction(transaction_dict, private_key):
FULL_NODE_HOSTS = 'http://192.168.1.13:8089'
provider = HTTPProvider(FULL_NODE_HOSTS)
web3 = Web3(provider)
if not isinstance(transaction_dict, Mapping):
raise TypeError("transaction_dict must be dict-like, got %r" %
transaction_dict)
sign_str = transaction_dict["chainId"] + remove_0x_prefix(transaction_dict["from"].lower()) + \
remove_0x_prefix(transaction_dict["to"].lower()) + transaction_dict["nonce"] + \
transaction_dict["value"] + remove_0x_prefix(transaction_dict["input"].lower())
sign_bytes = to_bytes(text=sign_str)
res = eth_utils_keccak(sign_bytes)
sign_hash = web3.eth.account.signHash(to_hex(res), private_key=private_key)
transaction_dict["sig"] = to_hex(sign_hash.signature)
# pk = keys.PrivateKey(private_key)
# transaction_dict["pub"] = "0x04" + pk.public_key.to_hex()[2:]
transaction_dict[
"pub"] = "0x043d85aa2a649fa5fd421988cebff58d7173f7b563b8a9594e92bcf3e9f5e43037c3463121af51aacc8a8cf2d8cfcc6fa717b774fc0aceec04d7185c87e279c1f6"
return transaction_dict
def waitForTransactionReceipt(
self, transaction_hash: _Hash32, timeout: int=120, poll_latency: float=0.1
) -> TxReceipt:
try:
return wait_for_transaction_receipt(self.web3, transaction_hash, timeout, poll_latency)
except Timeout:
raise TimeExhausted(
"Transaction {} is not in the chain, after {} seconds".format(
to_hex(transaction_hash),
timeout,
)
)
def _encode_data_in_transaction(self, *args, **kwargs):
constructor_abi = get_constructor_abi(self.abi)
if constructor_abi:
if not args:
args = tuple()
if not kwargs:
kwargs = {}
arguments = merge_args_and_kwargs(constructor_abi, args, kwargs)
data = add_0x_prefix(
encode_abi(self.web3, constructor_abi, arguments, data=self.bytecode)
)
else:
data = to_hex(self.bytecode)
return data
def _encode_data_in_transaction(self, *args, **kwargs):
constructor_abi = get_constructor_abi(self.abi)
if constructor_abi:
if not args:
args = tuple()
if not kwargs:
kwargs = {}
arguments = merge_args_and_kwargs(constructor_abi, args, kwargs)
data = add_0x_prefix(
encode_abi(self.web3, constructor_abi, arguments, data=self.bytecode)
)
else:
data = to_hex(self.bytecode)
return data
def _encode_constructor_data(cls, args=None, kwargs=None):
constructor_abi = get_constructor_abi(cls.abi)
if constructor_abi:
if args is None:
args = tuple()
if kwargs is None:
kwargs = {}
arguments = merge_args_and_kwargs(constructor_abi, args, kwargs)
deploy_data = add_0x_prefix(
encode_abi(cls.web3, constructor_abi, arguments, data=cls.bytecode)
)
else:
deploy_data = to_hex(cls.bytecode)
return deploy_data
def _encode_constructor_data(cls, args=None, kwargs=None):
constructor_abi = get_constructor_abi(cls.abi)
if constructor_abi:
if args is None:
args = tuple()
if kwargs is None:
kwargs = {}
arguments = merge_args_and_kwargs(constructor_abi, args, kwargs)
deploy_data = add_0x_prefix(
encode_abi(cls.web3, constructor_abi, arguments, data=cls.bytecode)
)
else:
deploy_data = to_hex(cls.bytecode)
return deploy_data
def _encode_constructor_data(cls, args=None, kwargs=None):
constructor_abi = get_constructor_abi(cls.abi)
if constructor_abi:
if args is None:
args = tuple()
if kwargs is None:
kwargs = {}
arguments = merge_args_and_kwargs(constructor_abi, args, kwargs)
deploy_data = add_0x_prefix(
encode_abi(cls.web3, constructor_abi, arguments, data=cls.bytecode)
)
else:
if args is not None or kwargs is not None:
msg = "Constructor args were provided, but no constructor function was provided."
raise TypeError(msg)
deploy_data = to_hex(cls.bytecode)
return deploy_data
def encode_abi(web3, abi, arguments, data=None):
argument_types = get_abi_input_types(abi)
if not check_if_arguments_can_be_encoded(abi, arguments, {}):
raise TypeError(
"One or more arguments could not be encoded to the necessary "
"ABI type. Expected types are: {0}".format(
', '.join(argument_types),
)
)
try:
normalizers = [
abi_ens_resolver(web3),
abi_address_to_hex,
abi_bytes_to_bytes,
abi_string_to_text,
]
normalized_arguments = map_abi_data(
normalizers,
argument_types,
arguments,
)
encoded_arguments = eth_abi_encode_abi(
argument_types,
normalized_arguments,
)
except EncodingError as e:
raise TypeError(
"One or more arguments could not be encoded to the necessary "
"ABI type: {0}".format(str(e))
)
if data:
return to_hex(HexBytes(data) + encoded_arguments)
else:
return encode_hex(encoded_arguments)
def toHex(
primitive: Primitives = None, hexstr: HexStr = None, text: str = None
) -> HexStr:
return to_hex(primitive, hexstr, text)
def test_to_hex(value, expected):
assert to_hex(value) == expected
def to_hex_if_bytes(val):
if isinstance(val, (bytes, bytearray)):
return to_hex(val)
else:
return val
# print('new account => {0}'.format(new_account))
accounts = w3.eth.accounts
print('accounts => {0}'.format(accounts))
balance = w3.eth.getBalance(accounts[0], 'latest')
print('balance before tx => {0}'.format(balance))
blockNumber = 0
while True:
bn = w3.eth.blockNumber
print('block number => {0}'.format(bn))
transaction = {'from': accounts[0], 'to': accounts[0], 'value': 100}
gas = get_buffered_gas_estimate(w3, transaction)
gas_price = w3.eth.gasPrice
# log_debug_print("use gas ", gas, "gasPrice", gas_price)
transaction['gas'] = int(gas * 1)
# transaction['gasPrice'] = int(gas_price * 1)
tx_hash = w3.eth.sendTransaction(transaction)
print('tx hash => {0}'.format(to_hex(tx_hash)))
if bn > blockNumber:
blockNumber = bn
balance = w3.eth.getBalance(accounts[0], 'latest')
print('balance after tx => {0}'.format(balance))
time.sleep(0.2)
def sign(self, account, data=None, hexstr=None, text=None):
message_hex = to_hex(data, hexstr=hexstr, text=text)
return self.web3.manager.request_blocking(
"eth_sign", [account, message_hex],
)
def sign(self, account, data=None, hexstr=None, text=None):
message_hex = to_hex(data, hexstr=hexstr, text=text)
return self.web3.manager.request_blocking(
"eth_sign",
[account, message_hex],
)
def test_bytes_that_start_with_0x():
sneaky_bytes = b'0x\xde\xad'
assert to_hex(sneaky_bytes) == '0x3078dead'
