def test_channel_erc20_event(owner, get_accounts, uraiden_instance,
token_instance, event_handler, txn_gas,
print_gas):
token = token_instance
ev_handler = event_handler(uraiden_instance)
(sender, receiver) = get_accounts(2)
deposit = 1000
gas_used = 0
# Fund accounts with tokens
token.transact({"from": owner}).transfer(sender, deposit + 100)
# Approve token allowance
txn_hash_approve = token_instance.transact({
"from": sender
}).approve(uraiden_instance.address, deposit)
gas_used += txn_gas(txn_hash_approve)
# Create channel
txn_hash = uraiden_instance.transact({
"from": sender
}).createChannelERC20(receiver, deposit)
# Check creation event
ev_handler.add(txn_hash, uraiden_events['created'],
checkCreatedEvent(sender, receiver, deposit))
ev_handler.check()
print_gas(txn_hash, 'channel_20_create', gas_used)
def test_channel_erc20_event(
owner,
get_accounts,
uraiden_instance,
token_instance,
event_handler,
txn_gas,
print_gas):
token = token_instance
ev_handler = event_handler(uraiden_instance)
(sender, receiver) = get_accounts(2)
deposit = 1000
gas_used = 0
# Fund accounts with tokens
token.transact({"from": owner}).transfer(sender, deposit + 100)
# Approve token allowance
txn_hash_approve = token_instance.transact({"from": sender}).approve(uraiden_instance.address, deposit)
gas_used += txn_gas(txn_hash_approve)
# Create channel
txn_hash = uraiden_instance.transact({"from": sender}).createChannel(receiver, deposit)
# Check creation event
ev_handler.add(
txn_hash,
uraiden_events['created'],
checkCreatedEvent(sender, receiver, deposit)
)
ev_handler.check()
print_gas(txn_hash, 'channel_20_create', gas_used)
def test_close_by_sender_challenge_settle_by_sender2(
web3, contract_params, get_accounts, uraiden_instance, token_instance,
get_channel, print_gas, txn_gas, event_handler):
token = token_instance
ev_handler = event_handler(uraiden_instance)
channel_deposit = 800
top_up_deposit = 14
channel = get_channel(uraiden_instance, token_instance, channel_deposit)
(sender, receiver, open_block_number) = channel
balance = 0
balance_message_hash = balance_proof_hash(receiver, open_block_number,
balance,
uraiden_instance.address)
balance_msg_sig, addr = sign.check(balance_message_hash, tester.k2)
channel_pre_close_tests(uraiden_instance, token_instance, channel,
top_up_deposit)
txn_hash1 = uraiden_instance.transact({
'from': sender
}).uncooperativeClose(receiver, open_block_number, balance,
balance_msg_sig)
channel_data = uraiden_instance.call().getChannelInfo(
sender, receiver, open_block_number)
assert channel_data[2] != 0 # settle_block_number
ev_handler.add(
txn_hash1, uraiden_events['closed'],
checkClosedEvent(sender, receiver, open_block_number, balance))
ev_handler.check()
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({
'from': sender
}).settle(receiver, open_block_number)
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({
'from': receiver
}).settle(receiver, open_block_number)
web3.testing.mine(contract_params['challenge_period'] + 1)
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({
'from': receiver
}).settle(receiver, open_block_number)
receiver_pre_balance = token.call().balanceOf(receiver)
sender_pre_balance = token.call().balanceOf(sender)
contract_pre_balance = token.call().balanceOf(uraiden_instance.address)
txn_hash2 = uraiden_instance.transact({
'from': sender
}).settle(receiver, open_block_number)
channel_deposit += top_up_deposit
receiver_post_balance = receiver_pre_balance + balance
sender_post_balance = sender_pre_balance + (channel_deposit - balance)
contract_post_balance = contract_pre_balance - channel_deposit
assert token.call().balanceOf(receiver) == receiver_post_balance
assert token.call().balanceOf(sender) == sender_post_balance
assert token.call().balanceOf(
uraiden_instance.address) == contract_post_balance
channel_settle_tests(uraiden_instance, token_instance, channel)
ev_handler.add(
txn_hash2, uraiden_events['settled'],
checkSettledEvent(sender, receiver, open_block_number, balance))
ev_handler.check()
print_gas(txn_hash1, 'test_close_by_sender_challenge_settle_by_sender2',
txn_gas(txn_hash2))
def test_channel_topup_20(get_accounts, uraiden_instance, token_instance,
get_channel, txn_gas, event_handler, print_gas):
token = token_instance
ev_handler = event_handler(uraiden_instance)
(sender, receiver, A) = get_accounts(3)
channel_deposit = 999
channel = get_channel(uraiden_instance, token_instance, channel_deposit,
sender, receiver)[:3]
(sender, receiver, open_block_number) = channel
top_up_deposit = 14
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({
'from': sender
}).topUp(receiver, open_block_number, top_up_deposit)
# Approve token allowance
txn_hash = token.transact({
"from": sender
}).approve(uraiden_instance.address, top_up_deposit)
gas_used_approve = txn_gas(txn_hash)
with pytest.raises(TypeError):
uraiden_instance.transact({"from": sender}).topUp(0x0, top_up_deposit)
with pytest.raises(TypeError):
uraiden_instance.transact({
"from": sender
}).topUp('0x0', top_up_deposit)
with pytest.raises(TypeError):
uraiden_instance.transact({
"from": sender
}).topUp(fake_address, top_up_deposit)
with pytest.raises(TypeError):
uraiden_instance.transact({"from": sender}).topUp(receiver, -3)
with pytest.raises(TypeError):
uraiden_instance.transact({
"from": sender
}).topUp(receiver, MAX_UINT192 + 1)
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({
'from': A
}).topUp(receiver, open_block_number, top_up_deposit)
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({
'from': sender
}).topUp(A, open_block_number, top_up_deposit)
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({
'from': sender
}).topUp(receiver, open_block_number, 0)
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({
'from': sender
}).topUp(receiver, 0, top_up_deposit)
txn_hash = uraiden_instance.transact({
'from': sender
}).topUp(receiver, open_block_number, top_up_deposit)
channel_data = uraiden_instance.call().getChannelInfo(
sender, receiver, open_block_number)
assert channel_data[1] == channel_deposit + top_up_deposit # deposit
print_gas(txn_hash, 'test_channel_topup_20', gas_used_approve)
# Check topup event
ev_handler.add(
txn_hash, uraiden_events['topup'],
checkToppedUpEvent(sender, receiver, open_block_number, top_up_deposit,
channel_deposit + top_up_deposit))
ev_handler.check()
def get(uraiden_instance, token_instance, deposit, sender=None, receiver=None):
contract_type = request.param
ev_handler = event_handler(uraiden_instance)
gas_used_create = 0
if not sender:
(sender, receiver) = get_accounts(2)
# Supply accounts with tokens
token_instance.transact({"from": owner}).transfer(sender, deposit + 500)
token_instance.transact({"from": owner}).transfer(receiver, 100)
# Memorize balances for tests
uraiden_pre_balance = token_instance.call().balanceOf(uraiden_instance.address)
sender_pre_balance = token_instance.call().balanceOf(sender)
receiver_pre_balance = token_instance.call().balanceOf(receiver)
# Create channel (ERC20 or ERC223 logic)
if contract_type == '20':
txn_hash = token_instance.transact({"from": sender}).approve(
uraiden_instance.address,
deposit
)
gas_used_create += txn_gas(txn_hash)
txn_hash = uraiden_instance.transact({"from": sender}).createChannelERC20(
receiver,
deposit
)
message = 'test_channel_20_create'
else:
txdata = receiver[2:].zfill(40)
txdata = bytes.fromhex(txdata)
txn_hash = token_instance.transact({"from": sender}).transfer(
uraiden_instance.address,
deposit,
txdata
)
message = 'test_channel_223_create'
# Check token balances post channel creation
uraiden_balance = uraiden_pre_balance + deposit
assert token_instance.call().balanceOf(uraiden_instance.address) == uraiden_balance
assert token_instance.call().balanceOf(sender) == sender_pre_balance - deposit
assert token_instance.call().balanceOf(receiver) == receiver_pre_balance
# Check creation event
ev_handler.add(
txn_hash,
uraiden_events['created'],
checkCreatedEvent(sender, receiver, deposit)
)
ev_handler.check()
open_block_number = get_block(txn_hash)
channel_data = uraiden_instance.call().getChannelInfo(sender, receiver, open_block_number)
assert channel_data[0] == uraiden_instance.call().getKey(
sender,
receiver,
open_block_number
)
assert channel_data[1] == deposit
assert channel_data[2] == 0
assert channel_data[3] == 0
print_gas(txn_hash, message, gas_used_create)
return (sender, receiver, open_block_number)
def test_channel_topup_20(
get_accounts,
uraiden_instance,
token_instance,
get_channel,
txn_gas,
event_handler,
print_gas):
token = token_instance
ev_handler = event_handler(uraiden_instance)
(sender, receiver, A) = get_accounts(3)
channel_deposit = 999
channel = get_channel(uraiden_instance, token_instance, channel_deposit, sender, receiver)[:3]
(sender, receiver, open_block_number) = channel
top_up_deposit = 14
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({'from': sender}).topUp(
receiver,
open_block_number,
top_up_deposit
)
# Approve token allowance
txn_hash = token.transact({"from": sender}).approve(uraiden_instance.address, top_up_deposit)
gas_used_approve = txn_gas(txn_hash)
with pytest.raises(TypeError):
uraiden_instance.transact({"from": sender}).topUp(0x0, top_up_deposit)
with pytest.raises(TypeError):
uraiden_instance.transact({"from": sender}).topUp('0x0', top_up_deposit)
with pytest.raises(TypeError):
uraiden_instance.transact({"from": sender}).topUp(fake_address, top_up_deposit)
with pytest.raises(TypeError):
uraiden_instance.transact({"from": sender}).topUp(receiver, -3)
with pytest.raises(TypeError):
uraiden_instance.transact({"from": sender}).topUp(receiver, MAX_UINT192 + 1)
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({'from': A}).topUp(receiver, open_block_number, top_up_deposit)
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({'from': sender}).topUp(A, open_block_number, top_up_deposit)
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({'from': sender}).topUp(receiver, open_block_number, 0)
with pytest.raises(tester.TransactionFailed):
uraiden_instance.transact({'from': sender}).topUp(receiver, 0, top_up_deposit)
txn_hash = uraiden_instance.transact({'from': sender}).topUp(
receiver,
open_block_number,
top_up_deposit
)
channel_data = uraiden_instance.call().getChannelInfo(sender, receiver, open_block_number)
assert channel_data[1] == channel_deposit + top_up_deposit # deposit
print_gas(txn_hash, 'test_channel_topup_20', gas_used_approve)
# Check topup event
ev_handler.add(txn_hash, uraiden_events['topup'], checkToppedUpEvent(
sender,
receiver,
open_block_number,
top_up_deposit,
channel_deposit + top_up_deposit)
)
ev_handler.check()