def test_inference(value, expected):
if expected is not None:
inferred = infer_sedes(value)
assert inferred == expected
expected.serialize(value)
else:
with pytest.raises(TypeError):
infer_sedes(value)
def test_serializable():
class Test1(Serializable):
fields = (
('field1', big_endian_int),
('field2', binary),
('field3', List((big_endian_int, binary)))
)
class Test2(Serializable):
fields = (
('field1', Test1),
('field2', List((Test1, Test1))),
)
t1a_data = (5, 'a', (0, ''))
t1b_data = (9, 'b', (2, ''))
test1a = Test1(*t1a_data)
test1b = Test1(*t1b_data)
test2 = Test2(test1a, [test1a, test1b])
# equality
assert test1a == test1a
assert test1b == test1b
assert test2 == test2
assert test1a != test1b
assert test1b != test2
assert test2 != test1a
with pytest.raises(SerializationError):
Test1.serialize(test2)
with pytest.raises(SerializationError):
Test2.serialize(test1a)
with pytest.raises(SerializationError):
Test2.serialize(test1b)
# inference
assert infer_sedes(test1a) == Test1
assert infer_sedes(test1b) == Test1
assert infer_sedes(test2) == Test2
# serialization
serial_1a = Test1.serialize(test1a)
serial_1b = Test1.serialize(test1b)
serial_2 = Test2.serialize(test2)
assert serial_1a == [b'\x05', b'a', [b'', b'']]
assert serial_1b == [b'\x09', b'b', [b'\x02', b'']]
assert serial_2 == [serial_1a, [serial_1a, serial_1b]]
# deserialization
assert Test1.deserialize(serial_1a) == test1a
assert Test1.deserialize(serial_1b) == test1b
assert Test2.deserialize(serial_2) == test2
# encoding and decoding
assert decode(encode(test1a), Test1) == test1a
assert decode(encode(test1b), Test1) == test1b
assert decode(encode(test2), Test2) == test2
def test_serializable():
class Test1(Serializable):
fields = (('field1', big_endian_int), ('field2', binary),
('field3', List((big_endian_int, binary))))
class Test2(Serializable):
fields = (
('field1', Test1),
('field2', List((Test1, Test1))),
)
t1a_data = (5, 'a', (0, ''))
t1b_data = (9, 'b', (2, ''))
test1a = Test1(*t1a_data)
test1b = Test1(*t1b_data)
test2 = Test2(test1a, [test1a, test1b])
t2_data = (t1a_data, (t1a_data, t1b_data))
# equality
assert test1a == test1a
assert test1b == test1b
assert test2 == test2
assert test1a != test1b
assert test1b != test2
assert test2 != test1a
with pytest.raises(SerializationError):
Test1.serialize(test2)
with pytest.raises(SerializationError):
Test2.serialize(test1a)
with pytest.raises(SerializationError):
Test2.serialize(test1b)
# inference
assert infer_sedes(test1a) == Test1
assert infer_sedes(test1b) == Test1
assert infer_sedes(test2) == Test2
# serialization
serial_1a = Test1.serialize(test1a)
serial_1b = Test1.serialize(test1b)
serial_2 = Test2.serialize(test2)
assert serial_1a == ['\x05', 'a', ['', '']]
assert serial_1b == ['\x09', 'b', ['\x02', '']]
assert serial_2 == [serial_1a, [serial_1a, serial_1b]]
# deserialization
assert Test1.deserialize(serial_1a) == test1a
assert Test1.deserialize(serial_1b) == test1b
assert Test2.deserialize(serial_2) == test2
# encoding and decoding
assert decode(encode(test1a), Test1) == test1a
assert decode(encode(test1b), Test1) == test1b
assert decode(encode(test2), Test2) == test2
def pubkey(self):
if self.r == 0 and self.s == 0:
raise eth.transactions.InvalidTransaction(
"No signature!")
if self.v in (27, 28):
vee = self.v
sighash = eth.utils.sha3(rlp.encode(self,
eth.transactions.UnsignedTransaction))
elif self.v >= 37:
vee = self.v - self.network_id * 2 - 8
assert vee in (27, 28)
rlpdata = rlp.encode(rlp.infer_sedes(self).serialize(self)[
:-3] + [self.network_id, '', ''])
sighash = eth.utils.sha3(rlpdata)
else:
raise eth.transactions.InvalidTransaction("Invalid V value")
if self.r >= eth.transactions.secpk1n or \
self.s >= eth.transactions.secpk1n or \
self.r == 0 or self.s == 0:
raise eth.transactions.InvalidTransaction("Invalid signature values!")
pub = eth.utils.ecrecover_to_pub(sighash, vee, self.r, self.s)
if pub == b'\x00' * 64:
raise eth.transactions.InvalidTransaction(
"Invalid signature (zero privkey cannot sign)")
return pub
def main3():
erc20_data = make_data(to='0x401bf316182c792048c75e52ce18cb12ec3c4273',
value=Decimal('65.20627410') * (10**18))
print("erc20_data:{}".format(erc20_data))
tx = Transaction(
nonce=58,
gasprice=10 * (10**9),
startgas=210000,
to='0xee8e2882e07f89685430c27e2f77636b08df3c81',
value=1,
# data=b''
data=erc20_data.decode('hex'))
tx.sender = '0x56e5782c908f69bd46b7e77338349f961fbe55b1'
# print(tx.hash)
signed_tx = tx.sign(
key='63C08FABC252B53B9471E520CE8199971DB8884B5B569CBBBD17BC714E6BB39F',
network_id=Rinkeby) # 4:Rinkeby
print(signed_tx.hash.encode('hex'))
rlp_data = rlp.encode(rlp.infer_sedes(tx).serialize(tx))
print(rlp_data.encode('hex'))
# print(signed_tx)
pass
def sender(self):
if not self._sender:
# Determine sender
if self.r == 0 and self.s == 0:
self._sender = null_address
else:
if self.v in (27, 28):
vee = self.v
sighash = utils.sha3(rlp.encode(self, UnsignedTransaction))
elif self.v >= 37:
vee = self.v - self.network_id * 2 - 8
assert vee in (27, 28)
rlpdata = rlp.encode(rlp.infer_sedes(self).serialize(self)[
:-3] + [self.network_id, '', ''])
sighash = utils.sha3(rlpdata)
else:
raise InvalidTransaction("Invalid V value")
if self.r >= secpk1n or self.s >= secpk1n or self.r == 0 or self.s == 0:
raise InvalidTransaction("Invalid signature values!")
pub = ecrecover_to_pub(sighash, vee, self.r, self.s)
if pub == b'\x00' * 64:
raise InvalidTransaction(
"Invalid signature (zero privkey cannot sign)")
self._sender = utils.sha3(pub)[-20:]
return self._sender
def main():
erc20_data = make_data(to='0x56e5782c908f69bd46b7e77338349f961fbe55b1',
value=Decimal('2019.08281809') * (10**18))
print("erc20_data:{}".format(erc20_data))
tx = Transaction(
nonce=120,
gasprice=10 * (10**9),
startgas=210000,
to='0x130fc2749d35fe026f32427f60dd3f2ecb6c2f33',
value=0,
# data=b''
data=erc20_data.decode('hex'))
tx.sender = '0x954d1a58c7abd4ac8ebe05f59191cf718eb0cb89'
# print(tx.hash)
signed_tx = tx.sign(
key='DBBAD2A5682517E4FF095F948F721563231282CA4179AE0DFEA1C76143BA9607',
network_id=Rinkeby) # 4:Rinkeby
print(signed_tx.hash.encode('hex'))
rlp_data = rlp.encode(rlp.infer_sedes(tx).serialize(tx))
print(rlp_data.encode('hex'))
# print(signed_tx)
pass
def signer(self):
if not self._signer:
if self.r == 0 and self.s == 0:
if self.header.number == 0:
pub = b"\x00" * 64
self._signer = sha3(pub)[-20:]
print("GENESIS BLOCK")
self._signer = null_address
else:
if self.v in (27, 28):
vee = self.v
sighash = sha3(rlp.encode(self, UnsignedBlock))
elif self.v >= 37:
vee = self.v - self.network_id * 2 - 8
assert vee in (27, 28)
rlpdata = rlp.encode(
rlp.infer_sedes(self).serialize(self)[:-3] +
[self.network_id, '', ''])
sighash = sha3(rlpdata)
if self.r >= secpk1n or self.s >= secpk1n or self.r == 0 or self.s == 0:
raise InvalidBlock("Invalid signature values!")
pub = ecrecover_to_pub(sighash, self.v, self.r, self.s)
if pub == b"\x00" * 64:
raise InvalidBlock(
"Invalid signature (zero privkey cannot sign)")
self._signer = sha3(pub)[-20:]
return self._signer
def sender(self):
if not self._sender:
# Determine sender
if self.r == 0 and self.s == 0:
self._sender = null_address
else:
if self.v in (27, 28):
vee = self.v
sighash = utils.sha3(rlp.encode(self, UnsignedTransaction))
elif self.v >= 37:
vee = self.v - self.network_id * 2 - 8
assert vee in (27, 28)
rlpdata = rlp.encode(rlp.infer_sedes(self).serialize(self)[
:-3] + [self.network_id, '', ''])
sighash = utils.sha3(rlpdata)
else:
raise InvalidTransaction("Invalid V value")
if self.r >= secpk1n or self.s >= secpk1n or self.r == 0 or self.s == 0:
raise InvalidTransaction("Invalid signature values!")
pub = ecrecover_to_pub(sighash, vee, self.r, self.s)
if pub == b'\x00' * 64:
raise InvalidTransaction(
"Invalid signature (zero privkey cannot sign)")
self._sender = utils.sha3(pub)[-20:]
return self._sender
def main2():
erc20_data = make_data(to='0xdf88522B56B85d4F0Bb08a7494b97E017BC6CB31',
value=Decimal('656340.20627410') * (10**18))
print("erc20_data:{}".format(erc20_data))
tx = Transaction(
nonce=51,
gasprice=10 * (10**9),
startgas=210000,
to='0x130fc2749d35fe026f32427f60dd3f2ecb6c2f33',
value=1 * (10**16),
# data=b''
data=erc20_data.decode('hex'))
tx.sender = '0x56e5782c908f69bd46b7e77338349f961fbe55b1'
# print(tx.hash)
signed_tx = tx.sign(
key='63C08FABC252B53B9471E520CE8199971DB8884B5B569CBBBD17BC714E6BB39F',
network_id=Rinkeby) # 4:Rinkeby
print(signed_tx.hash.encode('hex'))
rlp_data = rlp.encode(rlp.infer_sedes(tx).serialize(tx))
print(rlp_data.encode('hex'))
# print(signed_tx)
pass
def test_transfer_ERC20_USDT():
#rinkeby 合约地址: 0x0f38e3426de0f7afdf7e641633b287f462f346f2
erc20_data = make_data(
to='0xC4d2e23807d176441221248fCbC03170e40B37d1', #代币接收地址
value=Decimal('1000001.123456') * (10**6))
print("erc20_data:{}".format(erc20_data))
tx = Transaction(
nonce=420,
gasprice=20 * (10**9),
startgas=210000,
to='0xeca059f3d6de135e520e789cdfeecbf5ceca3770', #合约地址
value=0,
# data=b''
data=unhexlify(erc20_data))
tx.sender = '0x954d1a58c7abd4ac8ebe05f59191Cf718eb0cB89' #源地址
signed_tx = tx.sign(
key=
'DBBAD2A5682517E4FF095F948F721563231282CA4179AE0DFEA1C76143BA9607', #源地址的私钥
network_id=None) # 4:Rinkeby
rlp_data = rlp.encode(rlp.infer_sedes(signed_tx).serialize(signed_tx))
print(hexlify(rlp_data)) #交易数据
pass
def test_decode(name, in_out):
msg_format = 'Test {} failed (decoded {} to {} instead of {})'
rlp_string = in_out['out'].decode('hex')
decoded = decode(rlp_string)
assert decoded == evaluate(decode_lazy(rlp_string))
expected = in_out['in']
sedes = infer_sedes(expected)
data = sedes.deserialize(decoded)
assert data == decode(rlp_string, sedes)
if data != expected:
pytest.fail(msg_format.format(name, rlp_string, decoded, expected))
def rlpdata(self, network_id: int = None):
if network_id is None:
rlpdata = rlp.encode(unsigned_tx_from_tx(self),
UnsignedTransaction)
# rawhash = utils.sha3(rlpdata)
else:
assert 1 <= network_id < 2**63 - 18
rlpdata = rlp.encode(
rlp.infer_sedes(self).serialize(self)[:-3] +
[network_id, b'', b''])
return rlpdata
def test_inference():
obj_sedes_pairs = (
(5, big_endian_int),
(0, big_endian_int),
(-1, None),
(b'', binary),
(b'asdf', binary),
(b'\xe4\xf6\xfc\xea\xe2\xfb', binary),
([], List()),
([1, 2, 3], List((big_endian_int, ) * 3)),
([[], b'asdf'], List(([], binary))),
)
for obj, sedes in obj_sedes_pairs:
if sedes is not None:
inferred = infer_sedes(obj)
assert inferred == sedes
sedes.serialize(obj)
else:
with pytest.raises(TypeError):
infer_sedes(obj)
def test_inference():
obj_sedes_pairs = (
(5, big_endian_int),
(0, big_endian_int),
(-1, None),
('', binary),
('asdf', binary),
('\xe4\xf6\xfc\xea\xe2\xfb', binary),
([], List()),
([1, 2, 3], List((big_endian_int,) * 3)),
([[], 'asdf'], List(([], binary))),
)
for obj, sedes in obj_sedes_pairs:
if sedes is not None:
inferred = infer_sedes(obj)
assert inferred == sedes
sedes.serialize(obj)
else:
with pytest.raises(TypeError):
infer_sedes(obj)
def get_tx_rawhash(tx, network_id=None):
"""Get a tx's rawhash.
Copied from ethereum.transactions.Transaction.sign
"""
if network_id is None:
rawhash = utils.sha3(
rlp.encode(tx, Transaction.exclude(['v', 'r', 's'])))
else:
assert 1 <= network_id < 2**63 - 18
rlpdata = rlp.encode(
rlp.infer_sedes(tx).serialize(tx)[:-3] + [network_id, b'', b''])
rawhash = utils.sha3(rlpdata)
return rawhash
def test_decode(name, in_out):
msg_format = 'Test {} failed (decoded {} to {} instead of {})'
rlp_string = utils.decode_hex(in_out['out'])
decoded = decode(rlp_string)
with pytest.raises(DecodingError):
decode(rlp_string + b'\x00')
assert decoded == decode(rlp_string + b'\x00', strict=False)
assert decoded == evaluate(decode_lazy(rlp_string))
expected = in_out['in']
sedes = infer_sedes(expected)
data = sedes.deserialize(decoded)
assert data == decode(rlp_string, sedes)
if data != expected:
pytest.fail(msg_format.format(name, rlp_string, decoded, expected))
def test_decode(name, in_out):
msg_format = 'Test {} failed (decoded {} to {} instead of {})'
rlp_string = utils.decode_hex(in_out['out'])
decoded = decode(rlp_string)
with pytest.raises(DecodingError):
decode(rlp_string + b'\x00')
assert decoded == decode(rlp_string + b'\x00', strict=False)
assert decoded == evaluate(decode_lazy(rlp_string))
expected = in_out['in']
sedes = infer_sedes(expected)
data = sedes.deserialize(decoded)
assert data == decode(rlp_string, sedes)
if data != expected:
pytest.fail(msg_format.format(name, rlp_string, decoded, expected))
def sign(self, key, network_id=None):
if network_id is None:
rawhash = sha3(rlp.encode(self, UnsignedBlock))
else:
assert 1 <= network_id < 2**63 - 18
rlpdata = rlp.encode(
rlp.infer_sedes(self).serialize(self)[:-3] +
[network_id, b'', b''])
rawhash = sha3(rlpdata)
key = normalize_key(key)
self.v, self.r, self.s = ecsign(rawhash, key)
if network_id is not None:
self.v += 8 + network_id * 2
self._signer = privtoaddr(key)
return self
def sign(self, key, network_id=None):
"""Sign this transaction with a private key.
A potentially already existing signature would be overridden.
"""
if network_id is None:
rawhash = utils.sha3(rlp.encode(self, UnsignedTransaction))
else:
assert 1 <= network_id < 2**63 - 18
rlpdata = rlp.encode(rlp.infer_sedes(self).serialize(self)[
:-3] + [network_id, b'', b''])
rawhash = utils.sha3(rlpdata)
key = normalize_key(key)
self.v, self.r, self.s = ecsign(rawhash, key)
if network_id is not None:
self.v += 8 + network_id * 2
self._sender = utils.privtoaddr(key)
return self
def sign(self, key, network_id=None):
"""Sign this transaction with a private key.
A potentially already existing signature would be overridden.
"""
if network_id is None:
rawhash = utils.sha3(rlp.encode(self, UnsignedTransaction))
else:
assert 1 <= network_id < 2**63 - 18
rlpdata = rlp.encode(rlp.infer_sedes(self).serialize(self)[
:-3] + [network_id, b'', b''])
rawhash = utils.sha3(rlpdata)
key = normalize_key(key)
self.v, self.r, self.s = ecsign(rawhash, key)
if network_id is not None:
self.v += 8 + network_id * 2
self._sender = utils.privtoaddr(key)
return self
def test_serializable_sedes_inference(type_1_a, type_1_b, type_2):
assert infer_sedes(type_1_a) == RLPType1
assert infer_sedes(type_1_b) == RLPType1
assert infer_sedes(type_2) == RLPType2
