def test_overspend(self):
self.set_up()
self.test_create_channel()
self.get_all_events()
data = []
amount = 142871500000000000 # obviously much more that we've sent initially
address = int(addresses[1], 0)
data.append(D160 * amount + address)
# Trying to close the channel with an overspend
balance_msg = self.channel.call().getBalanceMessage(
self.sender, self.open_block, data)
balance_msg_sig, _ = sign.check(
balance_msg, binascii.unhexlify(self.sender_key[2:]))
tx_hash = self.channel.transact({
'from': self.sender
}).close(self.sender, self.open_block, data, balance_msg_sig)
check_successful_tx(self.web3, tx_hash, txn_wait)
try:
self.logger.info('Channel info: {}'.format(
self.channel.call().getChannelInfo(self.sender,
self.open_block)))
except:
self.logger.warning('Channel info failed in overspend. ×')
try:
self.logger.warning('Closing request: {}'.format(
self.channel.call().getClosingRequestInfo(
self.sender, self.open_block)))
except:
self.logger.info('Closing request info failed in overspend. ✓')
# Checking if we've overspent
self.logger.info(
self.channel.call({
'from': self.sender
}).checkOverspend(self.key, data))
# Reporting cheating
right_data = []
amount = 1428715
address = int(addresses[1], 0)
right_data.append(D160 * amount + address)
right_balance_msg = self.channel.call().getBalanceMessage(
self.sender, self.open_block, right_data)
right_balance_msg_sig, _ = sign.check(
right_balance_msg, binascii.unhexlify(self.sender_key[2:]))
tx_hash = self.channel.transact({
'from': self.web3.eth.accounts[1]
}).reportCheating(self.sender, self.open_block, right_data,
right_balance_msg_sig, data, balance_msg_sig)
check_successful_tx(self.web3, tx_hash, txn_wait)
try:
self.logger.info('Closing request: {}'.format(
self.channel.call().getClosingRequestInfo(
self.sender, self.open_block)))
except:
self.logger.warning('Closing request info failed in close. ×')
def test_close_by_receiver(web3, chain, contract, channel):
(sender, receiver, open_block_number) = channel
(A) = web3.eth.accounts[3]
channel_pre_close_tests(contract, channel)
current_deposit = get_current_deposit(contract, channel)
balance = current_deposit - 1
balance_msg = get_balance_message(receiver, open_block_number, balance)
balance_msg_sig, addr = sign.check(balance_msg, tester.k1)
balance_msg_sig_false, addr = sign.check(balance_msg, tester.k2)
with pytest.raises(tester.TransactionFailed):
contract.transact({
'from': A
}).close(receiver, open_block_number, balance, balance_msg_sig)
with pytest.raises(tester.TransactionFailed):
contract.transact({
'from': receiver
}).close(receiver, open_block_number + 1, balance, balance_msg_sig)
with pytest.raises(tester.TransactionFailed):
contract.transact({
'from': receiver
}).close(receiver, open_block_number, balance + 1, balance_msg_sig)
with pytest.raises(tester.TransactionFailed):
contract.transact({
'from': receiver
}).close(receiver, open_block_number, balance, balance_msg_sig_false)
receiver_pre_balance = token.call().balanceOf(receiver)
sender_pre_balance = token.call().balanceOf(sender)
contract_pre_balance = token.call().balanceOf(contract.address)
print('--BALANCES', receiver_pre_balance, sender_pre_balance,
contract_pre_balance)
trxid = contract.transact({
'from': receiver
}).close(receiver, open_block_number, balance, balance_msg_sig)
receiver_post_balance = receiver_pre_balance + balance
sender_post_balance = sender_pre_balance + (current_deposit - balance)
contract_post_balance = contract_pre_balance - current_deposit
assert token.call().balanceOf(receiver) == receiver_post_balance
assert token.call().balanceOf(sender) == sender_post_balance
assert token.call().balanceOf(contract.address) == contract_post_balance
channel_settle_tests(contract, channel)
print('----------------------------------')
print('GAS USED test_close_by_receiver', get_gas_used(chain, trxid))
print('----------------------------------')
def test_close_call(web3, chain, contract, channel):
(sender, receiver, open_block_number) = channel
(A) = web3.eth.accounts[3]
balance = channel_deposit - 10
balance_msg = get_balance_message(receiver, open_block_number, balance)
balance_msg_sig, addr = sign.check(balance_msg, tester.k1)
# Cannot close what was not opened
with pytest.raises(tester.TransactionFailed):
contract.transact({
'from': A
}).close(receiver, open_block_number, balance, balance_msg_sig)
with pytest.raises(tester.TransactionFailed):
contract.transact({
'from': sender
}).close(A, open_block_number, balance, balance_msg_sig)
# Cannot close if arguments not correct
with pytest.raises(ValueError):
contract.transact({
'from': sender
}).close(receiver, open_block_number, balance)
with pytest.raises(ValueError):
contract.transact({
'from': receiver
}).close(receiver, open_block_number, balance)
def test_close_by_sender_challenge_settle_by_sender2(web3, chain, contract,
channel):
(sender, receiver, open_block_number) = channel
(A) = web3.eth.accounts[3]
current_deposit = get_current_deposit(contract, channel)
balance = 0
balance_msg = get_balance_message(receiver, open_block_number, balance)
balance_msg_sig, addr = sign.check(balance_msg, tester.k1)
receiver_pre_balance = token.call().balanceOf(receiver)
sender_pre_balance = token.call().balanceOf(sender)
contract_pre_balance = token.call().balanceOf(contract.address)
channel_pre_close_tests(contract, channel)
trxid1 = contract.transact({
'from': sender
}).close(receiver, open_block_number, balance, balance_msg_sig)
channel_data = contract.call().getChannelInfo(sender, receiver,
open_block_number)
assert channel_data[2] != 0 # settle_block_number
with pytest.raises(tester.TransactionFailed):
contract.transact({'from': sender}).settle(receiver, open_block_number)
with pytest.raises(tester.TransactionFailed):
contract.transact({
'from': receiver
}).settle(receiver, open_block_number)
web3.testing.mine(challenge_period + 1)
with pytest.raises(tester.TransactionFailed):
contract.transact({
'from': receiver
}).settle(receiver, open_block_number)
trxid2 = contract.transact({
'from': sender
}).settle(receiver, open_block_number)
receiver_post_balance = receiver_pre_balance + balance
sender_post_balance = sender_pre_balance + (current_deposit - balance)
contract_post_balance = contract_pre_balance - current_deposit
assert token.call().balanceOf(receiver) == receiver_post_balance
assert token.call().balanceOf(sender) == sender_post_balance
assert token.call().balanceOf(contract.address) == contract_post_balance
channel_settle_tests(contract, channel)
print('----------------------------------')
print('GAS USED test_close_by_sender_challenge_settle_by_sender2',
get_gas_used(chain, trxid1) + get_gas_used(chain, trxid2))
print('----------------------------------')
def test_cashCheque(trustlines_contract, accounts, web3):
(A, B) = accounts(2)
balA = trustlines_contract.call().balanceOf(A)
balB = trustlines_contract.call().balanceOf(B)
mtime = trustlines_contract.call().calculateMtime()
data = trustlines_contract.call().shaOfValue(A, B, 90, mtime + 1)
sig, addr = sign.check(bytes(data, "raw_unicode_escape"), tester.k0)
assert addr == A
trustlines_contract.transact({"from": A}).prepareFrom(A, B, 100, [B])
assert (trustlines_contract.transact({
"from": A
}).cashCheque(A, B, 90, mtime + 1, sig))
assert trustlines_contract.call().balanceOf(A) == balA - 90
assert trustlines_contract.call().balanceOf(B) == balB + 90
def cheating_template(self, case_n, good_data, bad_data):
self.set_up()
self.test_create_channel()
self.logger.info('Case#: {}, Good data: {}'.format(case_n, good_data))
bad_balance_msg = self.channel.call().getBalanceMessage(
self.sender, self.open_block, bad_data)
bad_balance_msg_sig, _ = sign.check(
bad_balance_msg, binascii.unhexlify(self.sender_key[2:]))
right_balance_msg = self.channel.call().getBalanceMessage(
self.sender, self.open_block, good_data)
right_balance_msg_sig, _ = sign.check(
right_balance_msg, binascii.unhexlify(self.sender_key[2:]))
tx_hash = self.channel.transact({
'from': self.web3.eth.accounts[1]
}).reportCheating(self.sender, self.open_block, good_data,
right_balance_msg_sig, bad_data, bad_balance_msg_sig)
check_successful_tx(self.web3, tx_hash, txn_wait)
try:
self.logger.info('Closing request: {}'.format(
self.channel.call().getClosingRequestInfo(
self.sender, self.open_block)))
except:
self.logger.warning(
'Closing request info failed in cheating {}. ×'.format(case_n))
def test_right_sign(self):
data = []
for i in range(SENDERS - 1):
amount = 5491 * 10**18
address = int(addresses[i], 0)
data.append(D160 * amount + address)
for i in range(SENDERS - 1):
# with self.subTest(address=addresses[i]):
balance_msg = self.channel.call().getBalanceMessage(
addresses[i], 1, data)
balance_msg_sig, _ = sign.check(
balance_msg, binascii.unhexlify(private_keys[i]))
ec_recovered_addr = self.channel.call() \
.verifyBalanceProof(addresses[i], 1, data, balance_msg_sig)
assert ec_recovered_addr == addresses[i]
self.logger.info('Signs are right')
def test_sign(contract, channel):
(sender, receiver, open_block_number) = channel
balance = 23
msg = get_balance_message(receiver, open_block_number, balance)
# "Receiver: " + receiver + "\nBalance: " + str(balance) + "\nChannel ID: " + str(open_block_number)
# hex: 0x19457468657265756d205369676e6564204d6573736167653a0a373852656365697665723a203078646365636561663366633563306136336431393564363962316139303031316237623139363530640a42616c616e63653a2032330a4368616e6e656c2049443a2035
print('--- test_sign msg', msg)
balance_msg_sig, addr = sign.check(msg, tester.k2)
print('--balance_msg_sig', balance_msg_sig, addr)
addr = contract.call().verifyBalanceProof(receiver, open_block_number,
balance, balance_msg_sig)
print('--verifyBalanceProof addr', addr)
# with Timeout(20) as timeout:
# timeout.sleep(2)
assert addr == receiver
def test_send_new_transaction(self):
data = []
amount = 1528715
address = int(self.web3.eth.accounts[1], 0)
data.append(D160 * amount + address)
balance_msg = self.channel.call().getBalanceMessage(
self.sender, self.open_block, data)
balance_msg_sig, _ = sign.check(
balance_msg, binascii.unhexlify(self.sender_key[2:]))
tx_hash = self.channel.transact({
'from': self.sender
}).submitLaterTransaction(self.sender, self.open_block, data,
balance_msg_sig)
check_successful_tx(self.web3, tx_hash, txn_wait)
try:
self.logger.info('Closing request: {}'.format(
self.channel.call().getClosingRequestInfo(
self.sender, self.open_block)))
except:
self.logger.warning(
'Closing request info failed in send_new_transaction ×')
def test_ten_payee_close(self):
self.set_up()
self.get_all_events()
self.test_create_channel()
self.logger.info('Waiting for channel lifetime to end')
time.sleep(15 * (channel_lifetime + 1))
self.logger.info('Lifetime should have ended')
data = generate_data([1000] * 10)
balance_msg = self.channel.call().getBalanceMessage(
self.sender, self.open_block, data)
balance_msg_sig, _ = sign.check(
balance_msg, binascii.unhexlify(self.sender_key[2:]))
try:
self.logger.info(
self.channel.call({
'from': self.sender
}).close(self.sender, self.open_block, data, balance_msg_sig))
except:
self.logger.warning('CLOSE REQUEST WILL FAIL')
tx_hash = self.channel.transact({
'from': self.sender
}).close(self.sender, self.open_block, data, balance_msg_sig)
check_successful_tx(self.web3, tx_hash, txn_wait)
self.logger.info('BLOCK {}'.format(
self.open_block)) # TODO write this to the data.json as well?
try:
self.logger.info('Channel info: {}'.format(
self.channel.call().getChannelInfo(self.sender,
self.open_block)))
except:
self.logger.warning('Channel info failed in close ×')
try:
self.logger.info('Closing request: {}'.format(
self.channel.call().getClosingRequestInfo(
self.sender, self.open_block)))
except:
self.logger.warning('Closing request info failed in close ×')
self.test_settle_channel()
def test_close_channel(self):
self.logger.info('Waiting for channel lifetime to end')
time.sleep(15 * (channel_lifetime + 1))
self.logger.info('Lifetime should have ended')
data = []
amount = 1428715
address = int(self.web3.eth.accounts[1], 0)
data.append(D160 * amount + address)
balance_msg = self.channel.call().getBalanceMessage(
self.sender, self.open_block, data)
balance_msg_sig, _ = sign.check(
balance_msg, binascii.unhexlify(self.sender_key[2:]))
try:
self.logger.info(
self.channel.call({
'from': self.sender
}).close(self.sender, self.open_block, data, balance_msg_sig))
except:
self.logger.warning('CLOSE REQUEST WILL FAIL')
tx_hash = self.channel.transact({
'from': self.sender
}).close(self.sender, self.open_block, data, balance_msg_sig)
check_successful_tx(self.web3, tx_hash, txn_wait)
self.logger.info('BLOCK {}'.format(
self.open_block)) # TODO write this to the data.json as well?
try:
self.logger.info('Channel info: {}'.format(
self.channel.call().getChannelInfo(self.sender,
self.open_block)))
except:
self.logger.warning('Channel info failed in close ×')
try:
self.logger.info('Closing request: {}'.format(
self.channel.call().getClosingRequestInfo(
self.sender, self.open_block)))
except:
self.logger.warning('Closing request info failed in close ×')
def getTokens(**kwargs):
project = Project()
# print(kwargs)
chain_name = kwargs['chain']
owner = kwargs['owner']
challenge_period = kwargs['challenge_period']
supply = kwargs['supply']
senders = kwargs['senders']
sender_addresses = kwargs['sender_addresses'].split(',')
token_name = kwargs['token_name']
token_decimals = kwargs['token_decimals']
token_symbol = kwargs['token_symbol']
token_address = kwargs['token_address']
supply *= 10**(token_decimals)
token_assign = int(supply / (len(sender_addresses) + senders))
txn_wait = 250
event_wait = 50
if chain_name == 'rinkeby':
txn_wait = 500
event_wait = 500
print(
"Make sure {} chain is running, you can connect to it and it is synced, or you'll get timeout"
.format(chain_name))
with project.get_chain(chain_name) as chain:
web3 = chain.web3
owner = owner or web3.eth.accounts[0]
print('Web3 provider is', web3.currentProvider)
if not token_address:
token = chain.provider.get_contract_factory('ERC223Token')
txhash = token.deploy(
args=[supply, token_name, token_decimals, token_symbol],
transaction={'from': owner})
receipt = check_succesful_tx(chain.web3, txhash, txn_wait)
token_address = receipt['contractAddress']
print(token_name, ' address is', token_address)
channel_factory = chain.provider.get_contract_factory(
'RaidenMicroTransferChannels')
txhash = channel_factory.deploy(args=[token_address, challenge_period])
print('RaidenMicroTransferChannels arguments', token_address,
challenge_period)
padded_token_address = pad_left(remove_0x_prefix(token_address), 64,
'0')
print('RaidenMicroTransferChannels abi encoded arguments:',
encode_hex(pack(padded_token_address, challenge_period)))
receipt = check_succesful_tx(chain.web3, txhash, txn_wait)
cf_address = receipt['contractAddress']
print('RaidenMicroTransferChannels address is', cf_address)
priv_keys = []
addresses = []
# we cannot retrieve private keys from configured chains
# therefore: create 5 wallets (sample addresses with private keys)
# store in separate arrays
for i in range(senders - 1):
priv_key, address = createWallet()
priv_keys.append(priv_key)
addresses.append('0x' + address)
# send tokens to each new wallet
for sender in addresses:
token(token_address).transact({
'from': owner
}).transfer(sender, token_assign)
# also send tokens to sender addresses
for sender in sender_addresses:
token(token_address).transact({
'from': owner
}).transfer(sender, token_assign)
print('Senders have each been issued', token_assign, ' tokens')
# check if it works:
# 1. get message balance hash for address[0]
balance_msg = "Receiver: " + addresses[
0] + ", Balance: 10000, Channel ID: 100"
# 2. sign the hash with private key corresponding to address[0]
balance_msg_sig, addr = sign.check(balance_msg,
binascii.unhexlify(priv_keys[0]))
# 3. check if ECVerify and ec_recovered address are equal
ec_recovered_addr = channel_factory(
cf_address).call().verifyBalanceProof(addresses[0], 100, 10000,
balance_msg_sig)
print('EC_RECOVERED_ADDR:', ec_recovered_addr)
print('FIRST WALLET ADDR:', addresses[0])
assert ec_recovered_addr == addresses[0]
print('Wait for confirmation...')
transfer_filter = token.on('Transfer')
wait(transfer_filter, event_wait)
print('BALANCE:', token(token_address).call().balanceOf(addresses[0]))
assert token(token_address).call().balanceOf(addresses[0]) > 0
# return arrays with generated wallets (private keys first, then addresses, so that priv_key[0] <-> address[0]
return (priv_keys, addresses, token(token_address))