def test_channelnew_event(settle_timeout, tester_state, tester_events,
tester_registry, tester_token):
privatekey0 = tester.DEFAULT_KEY
address0 = tester.DEFAULT_ACCOUNT
address1 = tester.a1
channel_manager = new_channelmanager(
privatekey0,
tester_state,
tester_events.append,
tester_registry,
tester_token,
)
netting_channel_address1_hex = channel_manager.newChannel(
address1,
settle_timeout,
sender=privatekey0,
)
last_event = tester_events[-1]
assert last_event == {
'_event_type': 'ChannelNew',
'netting_channel': netting_channel_address1_hex,
'participant1': encode_hex(address0),
'participant2': encode_hex(address1),
'settle_timeout': settle_timeout,
}
def tester_channelmanager(private_keys, tester_state, tester_events,
tester_registry, tester_token):
privatekey0 = private_keys[0]
channel_manager = new_channelmanager(
privatekey0,
tester_state,
tester_events.append,
tester_registry,
tester_token,
)
return channel_manager
def tester_channelmanager(private_keys, tester_state, tester_events,
tester_registry, tester_token):
privatekey0 = private_keys[0]
channel_manager = new_channelmanager(
privatekey0,
tester_state,
tester_events.append,
tester_registry,
tester_token,
)
return channel_manager
def test_channelmanager_start_with_zero_entries(private_keys, tester_events,
tester_registry, tester_state,
tester_token):
""" A new channel manager must start empty. """
pkey0 = private_keys[0]
channel_manager = new_channelmanager(
pkey0,
tester_state,
tester_events.append,
tester_registry,
tester_token.address,
)
# pylint: disable=no-member
assert not channel_manager.getChannelsAddresses(sender=pkey0)
assert not channel_manager.getChannelsParticipants(sender=pkey0)
def test_channelnew_event(settle_timeout, tester_state, tester_events, tester_registry, tester_token):
privatekey0 = tester.DEFAULT_KEY
address0 = tester.DEFAULT_ACCOUNT
address1 = tester.a1
channel_manager = new_channelmanager(privatekey0, tester_state, tester_events.append, tester_registry, tester_token)
netting_channel_address1_hex = channel_manager.newChannel(address1, settle_timeout, sender=privatekey0)
last_event = tester_events[-1]
assert last_event == {
"_event_type": "ChannelNew",
"netting_channel": netting_channel_address1_hex,
"participant1": encode_hex(address0),
"participant2": encode_hex(address1),
"settle_timeout": settle_timeout,
}
def test_channelmanager_start_with_zero_entries(
private_keys,
tester_events,
tester_registry,
tester_chain,
tester_token):
""" A new channel manager must start empty. """
pkey0 = private_keys[0]
channel_manager = new_channelmanager(
pkey0,
tester_chain,
tester_events.append,
tester_registry,
tester_token.address,
)
# pylint: disable=no-member
assert not channel_manager.getChannelsAddresses(sender=pkey0)
assert not channel_manager.getChannelsParticipants(sender=pkey0)
def test_channeldeposit(private_keys, settle_timeout, tester_state,
tester_token, tester_events, tester_registry):
""" Guarantee the correct tracking of each participant deposits, checks the
initial state (pre-deposit) and state changes for each deposits.
"""
# not using the tester_nettingcontracts fixture to control the
# transfer/deposits
privatekey0 = private_keys[0]
privatekey1 = private_keys[1]
address0 = privatekey_to_address(privatekey0)
address1 = privatekey_to_address(privatekey1)
unknow_key = tester.k3
channel_manager = new_channelmanager(
privatekey0,
tester_state,
tester_events.append,
tester_registry,
tester_token,
)
channel = new_nettingcontract(
privatekey0,
privatekey1,
tester_state,
tester_events.append,
channel_manager,
settle_timeout,
)
# check initial state, needs to be zeroed out
assert channel.settleTimeout(sender=privatekey0) == settle_timeout
assert channel.tokenAddress(sender=privatekey0) == encode_hex(
tester_token.address)
assert channel.opened(sender=privatekey0) == 0
assert channel.closed(sender=privatekey0) == 0
assert channel.settled(sender=privatekey0) == 0
assert channel.addressAndBalance(
sender=privatekey0)[0] == encode_hex(address0)
assert channel.addressAndBalance(sender=privatekey0)[1] == 0
assert channel.addressAndBalance(
sender=privatekey0)[2] == encode_hex(address1)
assert channel.addressAndBalance(sender=privatekey0)[3] == 0
initial_balance0 = tester_token.balanceOf(address0, sender=privatekey0)
deposit_amount = initial_balance0 // 10
# try to make invalid deposits
with pytest.raises(TransactionFailed):
channel.deposit(1, sender=unknow_key) # not participant
assert tester_token.approve(
channel.address, deposit_amount * 2, sender=privatekey0) is True
assert channel.deposit(deposit_amount * 2 + 1, sender=privatekey0) is False
with pytest.raises(abi.ValueOutOfBounds):
channel.deposit(-1, sender=privatekey0)
# create a first deposit with half of the allowance
assert channel.deposit(deposit_amount, sender=privatekey0) is True
assert tester_token.balanceOf(channel.address,
sender=privatekey0) == deposit_amount
assert tester_token.balanceOf(
address0,
sender=privatekey0) == initial_balance0 - deposit_amount # noqa
assert channel.opened(sender=privatekey0) == tester_state.block.number
assert channel.addressAndBalance(
sender=privatekey0)[0] == encode_hex(address0)
assert channel.addressAndBalance(sender=privatekey0)[1] == deposit_amount
assert channel.addressAndBalance(
sender=privatekey0)[2] == encode_hex(address1)
assert channel.addressAndBalance(sender=privatekey0)[3] == 0
# check a second depoist with the rest of the allowance
assert channel.deposit(deposit_amount, sender=privatekey0) is True
assert tester_token.balanceOf(channel.address,
sender=privatekey0) == deposit_amount * 2
assert tester_token.balanceOf(
address0,
sender=privatekey0) == initial_balance0 - deposit_amount * 2 # noqa
assert channel.opened(sender=privatekey0) == tester_state.block.number
assert channel.addressAndBalance(
sender=privatekey0)[0] == encode_hex(address0)
assert channel.addressAndBalance(
sender=privatekey0)[1] == deposit_amount * 2
assert channel.addressAndBalance(
sender=privatekey0)[2] == encode_hex(address1)
assert channel.addressAndBalance(sender=privatekey0)[3] == 0
# allowance zeroed, we cant make a new deposit
assert channel.deposit(deposit_amount, sender=privatekey0) is False
# needs to be able to add aditional token
assert tester_token.approve(
channel.address, deposit_amount, sender=privatekey0) is True
assert channel.deposit(deposit_amount, sender=privatekey0) is True
assert tester_token.balanceOf(channel.address,
sender=privatekey0) == deposit_amount * 3
assert tester_token.balanceOf(
address0,
sender=privatekey0) == initial_balance0 - deposit_amount * 3 # noqa
assert channel.opened(sender=privatekey0) == tester_state.block.number
assert channel.addressAndBalance(
sender=privatekey0)[0] == encode_hex(address0)
assert channel.addressAndBalance(
sender=privatekey0)[1] == deposit_amount * 3
assert channel.addressAndBalance(
sender=privatekey0)[2] == encode_hex(address1)
assert channel.addressAndBalance(sender=privatekey0)[3] == 0
def test_channelnewbalance_event(private_keys, settle_timeout, tester_state,
tester_events, tester_token, tester_registry):
""" Check the correct events are generated for deposit calls. """
privatekey0 = private_keys[0]
privatekey1 = private_keys[1]
address0 = privatekey_to_address(privatekey0)
address1 = privatekey_to_address(privatekey1)
channel_manager = new_channelmanager(
privatekey0,
tester_state,
tester_events.append,
tester_registry,
tester_token,
)
nettingchannel = new_nettingcontract(
privatekey0,
privatekey1,
tester_state,
tester_events.append,
channel_manager,
settle_timeout,
)
initial_balance0 = tester_token.balanceOf(address0, sender=privatekey0)
deposit_amount = initial_balance0 // 10
assert tester_token.approve(
nettingchannel.address, deposit_amount, sender=privatekey0) is True
assert tester_token.approve(
nettingchannel.address, deposit_amount, sender=privatekey1) is True
previous_events = list(tester_events)
assert nettingchannel.deposit(deposit_amount, sender=privatekey0) is True
assert len(previous_events) + 2 == len(tester_events)
block_number = tester_state.block.number
transfer_event = tester_events[-2]
assert transfer_event == {
'_event_type': 'Transfer',
'_from': encode_hex(address0),
'_to': nettingchannel.address,
'_value': deposit_amount,
}
newbalance_event = tester_events[-1]
assert newbalance_event == {
'_event_type': 'ChannelNewBalance',
'token_address': encode_hex(tester_token.address),
'participant': encode_hex(address0),
'balance': deposit_amount,
'block_number': block_number,
}
previous_events = list(tester_events)
assert nettingchannel.deposit(deposit_amount, sender=privatekey1) is True
assert len(previous_events) + 2 == len(tester_events)
block_number = tester_state.block.number
transfer_event = tester_events[-2]
assert transfer_event == {
'_event_type': 'Transfer',
'_from': encode_hex(address1),
'_to': nettingchannel.address,
'_value': deposit_amount,
}
newbalance_event = tester_events[-1]
assert newbalance_event == {
'_event_type': 'ChannelNewBalance',
'token_address': encode_hex(tester_token.address),
'participant': encode_hex(address1),
'balance': deposit_amount,
'block_number': block_number,
}
def __init__(self):
super(NettingChannelStateMachine, self).__init__()
deploy_key = sha3('deploy_key')
gas_limit = 10**10
self.private_keys = [
sha3('p1'),
sha3('p2'),
sha3('p3'
), # third key used to generate signed but invalid transfers
]
self.addresses = map(privatekey_to_address, self.private_keys)
self.log = list()
self.tester_state = tester_state(
deploy_key,
self.private_keys,
gas_limit,
)
self.settle_timeout = 50
self.token_amount = 1000
self.tokens = [
new_token(
deploy_key,
self.tester_state,
self.token_amount,
self.log.append,
),
new_token(
deploy_key,
self.tester_state,
self.token_amount,
self.log.append,
),
]
self.token = self.tokens[0]
self.token_addresses = [token.address for token in self.tokens]
self.nettingchannel_library_address = deploy_nettingchannel_library(
deploy_key,
self.tester_state,
)
self.channel_manager_library_address = deploy_channelmanager_library(
deploy_key,
self.tester_state,
self.nettingchannel_library_address,
)
self.registry = new_registry(
deploy_key,
self.tester_state,
self.channel_manager_library_address,
self.log.append,
)
self.channelmanager = new_channelmanager(
deploy_key,
self.tester_state,
self.log.append,
self.registry,
self.token.address,
)
self.netting_channel = new_nettingcontract(
self.private_keys[0],
self.private_keys[1],
self.tester_state,
self.log.append,
self.channelmanager,
self.settle_timeout,
)
address_and_balance = self.netting_channel.addressAndBalance( # pylint: disable=no-member
sender=self.private_keys[0], )
self.closing_address = None
self.update_transfer_called = False
self.participant_addresses = {
unhexlify(address_and_balance[0]),
unhexlify(address_and_balance[2]),
}
self.channel_addresses = [
unhexlify(self.netting_channel.address),
make_address(), # used to test invalid transfers
]
def test_channeldeposit(private_keys, settle_timeout, tester_state,
tester_token, tester_events, tester_registry):
""" Guarantee the correct tracking of each participant deposits, checks the
initial state (pre-deposit) and state changes for each deposits.
"""
# not using the tester_nettingcontracts fixture to control the
# transfer/deposits
privatekey0 = private_keys[0]
privatekey1 = private_keys[1]
address0 = privatekey_to_address(privatekey0)
address1 = privatekey_to_address(privatekey1)
unknow_key = tester.k3
channel_manager = new_channelmanager(
privatekey0,
tester_state,
tester_events.append,
tester_registry,
tester_token,
)
channel = new_nettingcontract(
privatekey0,
privatekey1,
tester_state,
tester_events.append,
channel_manager,
settle_timeout,
)
# check initial state, needs to be zeroed out
assert channel.settleTimeout(sender=privatekey0) == settle_timeout
assert channel.assetAddress(sender=privatekey0) == encode_hex(tester_token.address)
assert channel.opened(sender=privatekey0) == 0
assert channel.closed(sender=privatekey0) == 0
assert channel.settled(sender=privatekey0) == 0
assert channel.addressAndBalance(sender=privatekey0)[0] == encode_hex(address0)
assert channel.addressAndBalance(sender=privatekey0)[1] == 0
assert channel.addressAndBalance(sender=privatekey0)[2] == encode_hex(address1)
assert channel.addressAndBalance(sender=privatekey0)[3] == 0
initial_balance0 = tester_token.balanceOf(address0, sender=privatekey0)
deposit_amount = initial_balance0 // 10
# try to make invalid deposits
with pytest.raises(TransactionFailed):
channel.deposit(1, sender=unknow_key) # not participant
assert tester_token.approve(channel.address, deposit_amount * 2, sender=privatekey0) is True
assert channel.deposit(deposit_amount * 2 + 1, sender=privatekey0) is False
with pytest.raises(abi.ValueOutOfBounds):
channel.deposit(-1, sender=privatekey0)
# create a first deposit with half of the allowance
assert channel.deposit(deposit_amount, sender=privatekey0) is True
assert tester_token.balanceOf(channel.address, sender=privatekey0) == deposit_amount
assert tester_token.balanceOf(address0, sender=privatekey0) == initial_balance0 - deposit_amount # noqa
assert channel.opened(sender=privatekey0) == tester_state.block.number
assert channel.addressAndBalance(sender=privatekey0)[0] == encode_hex(address0)
assert channel.addressAndBalance(sender=privatekey0)[1] == deposit_amount
assert channel.addressAndBalance(sender=privatekey0)[2] == encode_hex(address1)
assert channel.addressAndBalance(sender=privatekey0)[3] == 0
# check a second depoist with the rest of the allowance
assert channel.deposit(deposit_amount, sender=privatekey0) is True
assert tester_token.balanceOf(channel.address, sender=privatekey0) == deposit_amount * 2
assert tester_token.balanceOf(address0, sender=privatekey0) == initial_balance0 - deposit_amount * 2 # noqa
assert channel.opened(sender=privatekey0) == tester_state.block.number
assert channel.addressAndBalance(sender=privatekey0)[0] == encode_hex(address0)
assert channel.addressAndBalance(sender=privatekey0)[1] == deposit_amount * 2
assert channel.addressAndBalance(sender=privatekey0)[2] == encode_hex(address1)
assert channel.addressAndBalance(sender=privatekey0)[3] == 0
# allowance zeroed, we cant make a new deposit
assert channel.deposit(deposit_amount, sender=privatekey0) is False
# needs to be able to add aditional asset
assert tester_token.approve(channel.address, deposit_amount, sender=privatekey0) is True
assert channel.deposit(deposit_amount, sender=privatekey0) is True
assert tester_token.balanceOf(channel.address, sender=privatekey0) == deposit_amount * 3
assert tester_token.balanceOf(address0, sender=privatekey0) == initial_balance0 - deposit_amount * 3 # noqa
assert channel.opened(sender=privatekey0) == tester_state.block.number
assert channel.addressAndBalance(sender=privatekey0)[0] == encode_hex(address0)
assert channel.addressAndBalance(sender=privatekey0)[1] == deposit_amount * 3
assert channel.addressAndBalance(sender=privatekey0)[2] == encode_hex(address1)
assert channel.addressAndBalance(sender=privatekey0)[3] == 0
def test_channelnewbalance_event(private_keys, settle_timeout, tester_state,
tester_events, tester_token, tester_registry):
""" Check the correct events are generated for deposit calls. """
privatekey0 = private_keys[0]
privatekey1 = private_keys[1]
address0 = privatekey_to_address(privatekey0)
address1 = privatekey_to_address(privatekey1)
channel_manager = new_channelmanager(
privatekey0,
tester_state,
tester_events.append,
tester_registry,
tester_token,
)
nettingchannel = new_nettingcontract(
privatekey0,
privatekey1,
tester_state,
tester_events.append,
channel_manager,
settle_timeout,
)
initial_balance0 = tester_token.balanceOf(address0, sender=privatekey0)
deposit_amount = initial_balance0 // 10
assert tester_token.approve(nettingchannel.address, deposit_amount, sender=privatekey0) is True
assert tester_token.approve(nettingchannel.address, deposit_amount, sender=privatekey1) is True
previous_events = list(tester_events)
assert nettingchannel.deposit(deposit_amount, sender=privatekey0) is True
assert len(previous_events) + 2 == len(tester_events)
block_number = tester_state.block.number
transfer_event = tester_events[-2]
assert transfer_event == {
'_event_type': 'Transfer',
'_from': encode_hex(address0),
'_to': nettingchannel.address,
'_value': deposit_amount,
}
newbalance_event = tester_events[-1]
assert newbalance_event == {
'_event_type': 'ChannelNewBalance',
'asset_address': encode_hex(tester_token.address),
'participant': encode_hex(address0),
'balance': deposit_amount,
'block_number': block_number,
}
previous_events = list(tester_events)
assert nettingchannel.deposit(deposit_amount, sender=privatekey1) is True
assert len(previous_events) + 2 == len(tester_events)
block_number = tester_state.block.number
transfer_event = tester_events[-2]
assert transfer_event == {
'_event_type': 'Transfer',
'_from': encode_hex(address1),
'_to': nettingchannel.address,
'_value': deposit_amount,
}
newbalance_event = tester_events[-1]
assert newbalance_event == {
'_event_type': 'ChannelNewBalance',
'asset_address': encode_hex(tester_token.address),
'participant': encode_hex(address1),
'balance': deposit_amount,
'block_number': block_number,
}
