def test_decode_direct_transfer(private_keys, settle_timeout, tester_state,
tester_token, tester_events, tester_registry):
privatekey0 = tester.DEFAULT_KEY
privatekey1 = private_keys[1]
address0 = privatekey_to_address(privatekey0)
address1 = privatekey_to_address(privatekey1)
dtester = deploy_decoder_tester(tester_token.address, address0, address1,
settle_timeout)
locksroot = sha3("Waldemarstr")
message = DirectTransfer(identifier=1,
nonce=2,
asset=tester_token.address,
transferred_amount=1337,
recipient=address1,
locksroot=locksroot)
message.sign(PrivateKey(privatekey0, ctx=GLOBAL_CTX, raw=True), address0)
_, publickey = wrap_and_validate(message.encode())
recovered_address = address_from_key(publickey)
assert recovered_address == address0
assert dtester.testDecodeTransfer(message.encode()) is True
assert dtester.decodedNonce() == 2
assert dtester.decodedAsset() == tester_token.address.encode('hex')
assert dtester.decodedRecipient() == address1.encode('hex')
assert dtester.decodedAmount() == 1337
assert dtester.decodedLocksroot() == locksroot
def test_recoverAddressFromSignature(tester_chain,
tester_nettingchannel_library_address):
auxiliary = deploy_auxiliary_tester(tester_chain,
tester_nettingchannel_library_address)
privkey, address = make_privkey_address()
message_identifier = random.randint(0, UINT64_MAX)
msg = DirectTransfer(message_identifier=message_identifier,
payment_identifier=1,
nonce=1,
registry_address='x' * 20,
token='x' * 20,
channel=auxiliary.address,
transferred_amount=10,
recipient='y' * 20,
locksroot=HASH)
msg.sign(privkey, address)
data = msg.encode()
signature = data[-65:]
extra_hash = sha3(data[:-65])
computed_address = auxiliary.recoverAddressFromSignature(
msg.nonce, msg.transferred_amount, msg.locksroot, extra_hash,
signature)
assert normalize_address(computed_address) == msg.sender
def test_signature_split(tester_chain, tester_nettingchannel_library_address):
auxiliary = deploy_auxiliary_tester(tester_chain,
tester_nettingchannel_library_address)
privkey, address = make_privkey_address()
message_identifier = random.randint(0, UINT64_MAX)
msg = DirectTransfer(message_identifier=message_identifier,
payment_identifier=1,
nonce=1,
registry_address='x' * 20,
token='x' * 20,
channel=auxiliary.address,
transferred_amount=10,
recipient='y' * 20,
locksroot=HASH)
msg.sign(privkey, address)
msg = msg.encode()
# signature = len(msg) - 65
signature = msg[len(msg) - 65:]
signature = signature[:-1] + chr(27).encode()
r, s, v = auxiliary.signatureSplit(signature)
assert v == 27
assert r == signature[:32]
assert s == signature[32:64]
signature = signature[:-1] + chr(28).encode()
_, _, v = auxiliary.signatureSplit(signature)
assert v == 28
with pytest.raises(TransactionFailed):
signature = signature[:-1] + chr(4).encode()
r, s, v = auxiliary.signatureSplit(signature)
def test_recoverAddressFromSignature(tester_chain, tester_nettingchannel_library_address):
auxiliary = deploy_auxiliary_tester(tester_chain, tester_nettingchannel_library_address)
privkey, address = make_privkey_address()
msg = DirectTransfer(
identifier=1,
nonce=1,
token='x' * 20,
channel=auxiliary.address,
transferred_amount=10,
recipient='y' * 20,
locksroot=HASH
)
msg.sign(privkey, address)
data = msg.encode()
signature = data[-65:]
extra_hash = sha3(data[:-65])
computed_address = auxiliary.recoverAddressFromSignature(
msg.nonce,
msg.transferred_amount,
msg.locksroot,
extra_hash,
signature
)
assert normalize_address(computed_address) == msg.sender
def test_signature_split(tester_chain, tester_nettingchannel_library_address):
auxiliary = deploy_auxiliary_tester(tester_chain, tester_nettingchannel_library_address)
privkey, address = make_privkey_address()
msg = DirectTransfer(
identifier=1,
nonce=1,
token='x' * 20,
channel=auxiliary.address,
transferred_amount=10,
recipient='y' * 20,
locksroot=HASH
)
msg.sign(privkey, address)
msg = msg.encode()
# signature = len(msg) - 65
signature = msg[len(msg) - 65:]
signature = signature[:-1] + chr(27).encode()
r, s, v = auxiliary.signatureSplit(signature)
assert v == 27
assert r == signature[:32]
assert s == signature[32:64]
signature = signature[:-1] + chr(28).encode()
_, _, v = auxiliary.signatureSplit(signature)
assert v == 28
with pytest.raises(TransactionFailed):
signature = signature[:-1] + chr(4).encode()
r, s, v = auxiliary.signatureSplit(signature)
def test_signature_split(tester_state, tester_nettingchannel_library_address):
auxiliary = deploy_auxiliary_tester(tester_state,
tester_nettingchannel_library_address)
privkey, address = make_privkey_address()
msg = DirectTransfer(identifier=1,
nonce=1,
token='x' * 20,
transferred_amount=10,
recipient='y' * 20,
locksroot=HASH)
msg.sign(privkey, address)
msg = msg.encode()
# signature = len(msg) - 65
signature = msg[len(msg) - 65:]
signature = signature[:-1] + chr(27)
r, s, v = auxiliary.signatureSplit(signature)
assert v == 27
assert r == signature[:32]
assert s == signature[32:64]
signature = signature[:-1] + chr(28)
_, _, v = auxiliary.signatureSplit(signature)
assert v == 28
with pytest.raises(TransactionFailed):
signature = signature[:-1] + chr(4)
r, s, v = auxiliary.signatureSplit(signature)
def test_decode_direct_transfer(
private_keys,
settle_timeout,
tester_state,
tester_token,
tester_events,
tester_registry):
privatekey0 = tester.DEFAULT_KEY
privatekey1 = private_keys[1]
address0 = privatekey_to_address(privatekey0)
address1 = privatekey_to_address(privatekey1)
dtester = deploy_decoder_tester(tester_token.address, address0, address1, settle_timeout)
locksroot = sha3("Waldemarstr")
message = DirectTransfer(
identifier=1,
nonce=2,
asset=tester_token.address,
transferred_amount=1337,
recipient=address1,
locksroot=locksroot
)
message.sign(PrivateKey(privatekey0, ctx=GLOBAL_CTX, raw=True), address0)
_, publickey = wrap_and_validate(message.encode())
recovered_address = address_from_key(publickey)
assert recovered_address == address0
assert dtester.testDecodeTransfer(message.encode()) is True
assert dtester.decodedNonce() == 2
assert dtester.decodedAsset() == tester_token.address.encode('hex')
assert dtester.decodedRecipient() == address1.encode('hex')
assert dtester.decodedAmount() == 1337
assert dtester.decodedLocksroot() == locksroot
def test_recoverAddressFromSignature(tester_state,
tester_nettingchannel_library_address):
auxiliary = deploy_auxiliary_tester(tester_state,
tester_nettingchannel_library_address)
privkey, address = make_privkey_address()
msg = DirectTransfer(identifier=1,
nonce=1,
token='x' * 20,
channel=auxiliary.address,
transferred_amount=10,
recipient='y' * 20,
locksroot=HASH)
msg.sign(privkey, address)
data = msg.encode()
signature = data[-65:]
extra_hash = sha3(data[:-65])
computed_address = auxiliary.recoverAddressFromSignature(
msg.nonce, msg.transferred_amount, msg.locksroot, extra_hash,
signature)
assert unhexlify(computed_address) == msg.sender
