def test_cooperative_wrong_balance_proof(
channel_manager: ChannelManager,
confirmed_open_channel: Channel,
sender_address: str
):
channel_id = (confirmed_open_channel.sender, confirmed_open_channel.block)
channel_rec = channel_manager.channels[channel_id]
sig1 = encode_hex(confirmed_open_channel.create_transfer(5))
channel_manager.register_payment(sender_address, confirmed_open_channel.block, 5, sig1)
sig2 = encode_hex(confirmed_open_channel.create_transfer(1))
with pytest.raises(InvalidBalanceProof):
channel_manager.sign_close(sender_address, confirmed_open_channel.block, sig2)
assert channel_rec.is_closed is False
def test_cooperative_wrong_balance_proof(
channel_manager: ChannelManager,
confirmed_open_channel: Channel,
sender_address: str
):
channel_id = (confirmed_open_channel.sender, confirmed_open_channel.block)
channel_rec = channel_manager.channels[channel_id]
sig1 = encode_hex(confirmed_open_channel.create_transfer(5))
channel_manager.register_payment(sender_address, confirmed_open_channel.block, 5, sig1)
sig2 = encode_hex(confirmed_open_channel.create_transfer(1))
with pytest.raises(InvalidBalanceProof):
channel_manager.sign_close(sender_address, confirmed_open_channel.block, sig2)
assert channel_rec.is_closed is False
def test_balances(
channel_manager: ChannelManager,
confirmed_open_channel: Channel,
wait_for_blocks,
sender_address: str,
use_tester: bool
):
blockchain = channel_manager.blockchain
initial_liquid_balance = channel_manager.get_liquid_balance()
initial_locked_balance = channel_manager.get_locked_balance()
if use_tester:
assert initial_liquid_balance == 0
assert initial_locked_balance == 0
sig = encode_hex(confirmed_open_channel.create_transfer(5))
channel_manager.register_payment(sender_address, confirmed_open_channel.block, 5, sig)
assert channel_manager.get_liquid_balance() == initial_liquid_balance
assert channel_manager.get_locked_balance() == 5
receiver_sig = channel_manager.sign_close(sender_address, confirmed_open_channel.block, 5)
confirmed_open_channel.close_cooperatively(receiver_sig)
wait_for_blocks(blockchain.n_confirmations)
gevent.sleep(blockchain.poll_interval)
assert channel_manager.get_liquid_balance() == initial_liquid_balance + 5
assert channel_manager.get_locked_balance() == initial_locked_balance
def test_cooperative(
channel_manager: ChannelManager,
confirmed_open_channel: Channel,
receiver_address: str,
web3: Web3,
token_contract: Contract,
wait_for_blocks,
sender_address: str
):
blockchain = channel_manager.blockchain
channel_id = (confirmed_open_channel.sender, confirmed_open_channel.block)
sig1 = encode_hex(confirmed_open_channel.create_transfer(5))
channel_manager.register_payment(sender_address, confirmed_open_channel.block, 5, sig1)
receiver_sig = channel_manager.sign_close(sender_address, confirmed_open_channel.block, 5)
channel_rec = channel_manager.channels[channel_id]
assert channel_rec.is_closed is True
block_before = web3.eth.blockNumber
confirmed_open_channel.close_cooperatively(receiver_sig)
wait_for_blocks(blockchain.n_confirmations)
gevent.sleep(blockchain.poll_interval)
logs = get_logs(token_contract, 'Transfer', from_block=block_before - 1)
assert len([l for l in logs
if is_same_address(l['args']['_to'], receiver_address) and
l['args']['_value'] == 5]) == 1
assert len([l for l in logs
if is_same_address(l['args']['_to'], sender_address) and
l['args']['_value'] == 5]) == 1
wait_for_blocks(blockchain.n_confirmations)
gevent.sleep(blockchain.poll_interval)
assert channel_id not in channel_manager.channels
def test_balances(
channel_manager: ChannelManager,
confirmed_open_channel: Channel,
wait_for_blocks,
sender_address: str,
use_tester: bool
):
blockchain = channel_manager.blockchain
initial_liquid_balance = channel_manager.get_liquid_balance()
initial_locked_balance = channel_manager.get_locked_balance()
if use_tester:
assert initial_liquid_balance == 0
assert initial_locked_balance == 0
sig = encode_hex(confirmed_open_channel.create_transfer(5))
channel_manager.register_payment(sender_address, confirmed_open_channel.block, 5, sig)
assert channel_manager.get_liquid_balance() == initial_liquid_balance
assert channel_manager.get_locked_balance() == 5
receiver_sig = channel_manager.sign_close(sender_address, confirmed_open_channel.block, 5)
confirmed_open_channel.close_cooperatively(receiver_sig)
wait_for_blocks(blockchain.n_confirmations)
gevent.sleep(blockchain.poll_interval)
assert channel_manager.get_liquid_balance() == initial_liquid_balance + 5
assert channel_manager.get_locked_balance() == initial_locked_balance
def test_cooperative(
channel_manager: ChannelManager,
confirmed_open_channel: Channel,
receiver_address: str,
web3: Web3,
token_contract: Contract,
wait_for_blocks,
sender_address: str
):
blockchain = channel_manager.blockchain
channel_id = (confirmed_open_channel.sender, confirmed_open_channel.block)
sig1 = encode_hex(confirmed_open_channel.create_transfer(5))
channel_manager.register_payment(sender_address, confirmed_open_channel.block, 5, sig1)
receiver_sig = channel_manager.sign_close(sender_address, confirmed_open_channel.block, 5)
channel_rec = channel_manager.channels[channel_id]
assert channel_rec.is_closed is True
block_before = web3.eth.blockNumber
confirmed_open_channel.close_cooperatively(receiver_sig)
wait_for_blocks(blockchain.n_confirmations)
gevent.sleep(blockchain.poll_interval)
logs = get_logs(token_contract, 'Transfer', from_block=block_before - 1)
assert len([l for l in logs
if is_same_address(l['args']['_to'], receiver_address) and
l['args']['_value'] == 5]) == 1
assert len([l for l in logs
if is_same_address(l['args']['_to'], sender_address) and
l['args']['_value'] == 5]) == 1
wait_for_blocks(blockchain.n_confirmations)
gevent.sleep(blockchain.poll_interval)
assert channel_id not in channel_manager.channels
def test_close_settled(client: Client, channel_manager: ChannelManager,
web3: Web3, wait_for_blocks):
sender = client.context.address
receiver = channel_manager.receiver
channel = client.open_channel(receiver, 10)
wait_for_blocks(channel_manager.n_confirmations + 1)
channel_manager.register_payment(sender, channel.block, 2,
encode_hex(channel.create_transfer(2)))
receiver_sig = channel_manager.sign_close(sender, channel.block, 2)
channel.close_cooperatively(receiver_sig)
wait_for_blocks(channel_manager.n_confirmations + 1)
channel_manager.stop() # don't update state from this point on
channel_manager.join()
state = channel_manager.state
tx_count_before = web3.eth.getTransactionCount(receiver)
close_open_channels(channel_manager.private_key,
state,
channel_manager.channel_manager_contract,
wait=lambda: wait_for_blocks(1))
tx_count_after = web3.eth.getTransactionCount(receiver)
assert tx_count_after == tx_count_before
wait_for_blocks(1)