def add_payment_channel_listener(
self,
payment_channel_proxy: PaymentChannel,
from_block: typing.BlockSpecification = 'latest',
):
payment_channel_filter = payment_channel_proxy.all_events_filter(from_block=from_block)
channel_identifier = payment_channel_proxy.channel_identifier()
self.add_event_listener(
f'PaymentChannel event {channel_identifier}',
payment_channel_filter,
raiden_contracts.contract_manager.CONTRACT_MANAGER.get_contract_abi(
CONTRACT_TOKEN_NETWORK,
),
)
def add_payment_channel_listener(
self,
payment_channel_proxy: PaymentChannel,
from_block: typing.BlockSpecification = 'latest',
):
payment_channel_filter = payment_channel_proxy.all_events_filter(
from_block=from_block)
channel_identifier = payment_channel_proxy.channel_identifier
token_network_id = payment_channel_proxy.token_network.address
self.add_event_listener(
f'PaymentChannel event {channel_identifier} {token_network_id}',
payment_channel_filter,
CONTRACT_MANAGER.get_contract_abi(CONTRACT_TOKEN_NETWORK, ),
)
def add_payment_channel_listener(
self,
payment_channel_proxy: PaymentChannel,
from_block: typing.BlockSpecification = 'latest',
):
payment_channel_filter, unlock_filter = payment_channel_proxy.all_events_filter(
from_block=from_block,
)
channel_identifier = payment_channel_proxy.channel_identifier
token_network_id = payment_channel_proxy.token_network.address
token_network_abi = CONTRACT_MANAGER.get_contract_abi(CONTRACT_TOKEN_NETWORK)
self.add_event_listener(
f'PaymentChannel event {channel_identifier} {token_network_id}',
payment_channel_filter,
token_network_abi,
)
self.add_event_listener(
f'PaymentChannel unlock event {channel_identifier} {token_network_id}',
unlock_filter,
token_network_abi,
)
def payment_channel(
self,
token_network_address: Address,
channel_id: ChannelID,
) -> PaymentChannel:
if not is_binary_address(token_network_address):
raise ValueError('address must be a valid address')
if not ishash(channel_id):
raise ValueError('identifier must be a hash')
dict_key = (token_network_address, channel_id)
if dict_key not in self.identifier_to_payment_channel:
token_network = self.token_network(token_network_address)
self.identifier_to_payment_channel[dict_key] = PaymentChannel(
token_network=token_network,
channel_identifier=channel_id,
)
return self.identifier_to_payment_channel[dict_key]
def payment_channel(
self,
token_network_address: Address,
channel_id: ChannelID,
) -> PaymentChannel:
if not is_binary_address(token_network_address):
raise ValueError('address must be a valid address')
if not isinstance(channel_id, T_ChannelID):
raise ValueError('channel identifier must be of type T_ChannelID')
with self._payment_channel_creation_lock:
dict_key = (token_network_address, channel_id)
if dict_key not in self.identifier_to_payment_channel:
token_network = self.token_network(token_network_address)
self.identifier_to_payment_channel[dict_key] = PaymentChannel(
token_network=token_network,
channel_identifier=channel_id,
)
return self.identifier_to_payment_channel[dict_key]
def test_payment_channel_outdated_channel_close(
token_network_proxy,
private_keys,
chain_id,
web3,
contract_manager,
):
token_network_address = to_canonical_address(
token_network_proxy.proxy.contract.address)
partner = privatekey_to_address(private_keys[0])
client = JSONRPCClient(web3, private_keys[1])
chain = BlockChainService(client)
token_network_proxy = TokenNetwork(
jsonrpc_client=client,
token_network_address=token_network_address,
contract_manager=contract_manager,
)
start_block = web3.eth.blockNumber
# create a channel
channel_identifier = token_network_proxy.new_netting_channel(
partner,
TEST_SETTLE_TIMEOUT_MIN,
)
assert channel_identifier is not None
# create channel proxies
channel_proxy_1 = PaymentChannel(
token_network=token_network_proxy,
channel_identifier=channel_identifier,
contract_manager=contract_manager,
)
channel_filter = channel_proxy_1.all_events_filter(
from_block=start_block,
to_block='latest',
)
assert channel_proxy_1.channel_identifier == channel_identifier
assert channel_proxy_1.opened() is True
# balance proof by c1
balance_proof = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=to_checksum_address(token_network_address),
nonce=0,
chain_id=chain_id,
transferred_amount=0,
)
balance_proof.signature = encode_hex(
LocalSigner(private_keys[0]).sign(
data=balance_proof.serialize_bin(), ), )
# correct close
token_network_proxy.close(
channel_identifier=channel_identifier,
partner=partner,
balance_hash=bytes(32),
nonce=balance_proof.nonce,
additional_hash=bytes(32),
signature=decode_hex(balance_proof.signature),
)
assert channel_proxy_1.closed() is True
events = channel_filter.get_all_entries()
assert len(events) == 2 # ChannelOpened, ChannelClosed
# check the settlement timeouts again
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
# update transfer
chain.wait_until_block(target_block_number=client.block_number() +
TEST_SETTLE_TIMEOUT_MIN)
token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=0,
locked_amount=0,
locksroot=EMPTY_HASH,
partner=partner,
partner_transferred_amount=0,
partner_locked_amount=0,
partner_locksroot=EMPTY_HASH,
)
assert channel_proxy_1.settled() is True
events = channel_filter.get_all_entries()
assert len(events) == 3 # ChannelOpened, ChannelClosed, ChannelSettled
# Create a new channel with a different identifier
# create a channel
new_channel_identifier = token_network_proxy.new_netting_channel(
partner,
TEST_SETTLE_TIMEOUT_MIN,
)
assert new_channel_identifier is not None
# create channel proxies
channel_proxy_2 = PaymentChannel(
token_network=token_network_proxy,
channel_identifier=new_channel_identifier,
contract_manager=contract_manager,
)
assert channel_proxy_2.channel_identifier == new_channel_identifier
assert channel_proxy_2.opened() is True
with pytest.raises(ChannelOutdatedError):
token_network_proxy.close(
channel_identifier=channel_identifier,
partner=partner,
balance_hash=bytes(32),
nonce=balance_proof.nonce,
additional_hash=bytes(32),
signature=decode_hex(balance_proof.signature),
)
def test_payment_channel_proxy_basics(
token_network_proxy,
private_keys,
token_proxy,
chain_id,
web3,
contract_manager,
):
token_network_address = to_canonical_address(
token_network_proxy.proxy.contract.address)
c1_client = JSONRPCClient(web3, private_keys[1])
c1_chain = BlockChainService(c1_client)
c2_client = JSONRPCClient(web3, private_keys[2])
c1_token_network_proxy = TokenNetwork(
jsonrpc_client=c1_client,
token_network_address=token_network_address,
contract_manager=contract_manager,
)
c2_token_network_proxy = TokenNetwork(
jsonrpc_client=c2_client,
token_network_address=token_network_address,
contract_manager=contract_manager,
)
start_block = web3.eth.blockNumber
# create a channel
channel_identifier = c1_token_network_proxy.new_netting_channel(
c2_client.address,
TEST_SETTLE_TIMEOUT_MIN,
)
assert channel_identifier is not None
# create channel proxies
channel_proxy_1 = PaymentChannel(
token_network=c1_token_network_proxy,
channel_identifier=channel_identifier,
contract_manager=contract_manager,
)
channel_proxy_2 = PaymentChannel(
token_network=c2_token_network_proxy,
channel_identifier=channel_identifier,
contract_manager=contract_manager,
)
channel_filter = channel_proxy_1.all_events_filter(
from_block=start_block,
to_block='latest',
)
assert channel_proxy_1.channel_identifier == channel_identifier
assert channel_proxy_2.channel_identifier == channel_identifier
assert channel_proxy_1.opened() is True
assert channel_proxy_2.opened() is True
# check the settlement timeouts
assert channel_proxy_1.settle_timeout() == channel_proxy_2.settle_timeout()
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
events = channel_filter.get_all_entries()
assert len(events) == 1 # ChannelOpened
# test deposits
initial_token_balance = 100
token_proxy.transfer(c1_client.address, initial_token_balance)
initial_balance_c1 = token_proxy.balance_of(c1_client.address)
assert initial_balance_c1 == initial_token_balance
initial_balance_c2 = token_proxy.balance_of(c2_client.address)
assert initial_balance_c2 == 0
# actual deposit
channel_proxy_1.set_total_deposit(10)
events = channel_filter.get_all_entries()
assert len(events) == 2 # ChannelOpened, ChannelNewDeposit
# balance proof by c2
transferred_amount = 3
balance_proof = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=to_checksum_address(token_network_address),
nonce=1,
chain_id=chain_id,
transferred_amount=transferred_amount,
)
balance_proof.signature = encode_hex(
LocalSigner(private_keys[1]).sign(
data=balance_proof.serialize_bin(), ), )
# correct close
c2_token_network_proxy.close(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=decode_hex(balance_proof.balance_hash),
nonce=balance_proof.nonce,
additional_hash=decode_hex(balance_proof.additional_hash),
signature=decode_hex(balance_proof.signature),
)
assert channel_proxy_1.closed() is True
assert channel_proxy_2.closed() is True
events = channel_filter.get_all_entries()
assert len(events) == 3 # ChannelOpened, ChannelNewDeposit, ChannelClosed
# check the settlement timeouts again
assert channel_proxy_1.settle_timeout() == channel_proxy_2.settle_timeout()
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
# update transfer
c1_chain.wait_until_block(target_block_number=c1_client.block_number() +
TEST_SETTLE_TIMEOUT_MIN, )
c2_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=0,
locked_amount=0,
locksroot=EMPTY_HASH,
partner=c1_client.address,
partner_transferred_amount=transferred_amount,
partner_locked_amount=0,
partner_locksroot=EMPTY_HASH,
)
assert channel_proxy_1.settled() is True
assert channel_proxy_2.settled() is True
events = channel_filter.get_all_entries()
assert len(
events
) == 4 # ChannelOpened, ChannelNewDeposit, ChannelClosed, ChannelSettled
def test_payment_channel_proxy_basics(
token_network_proxy,
private_keys,
blockchain_rpc_ports,
token_proxy,
chain_id,
web3,
):
token_network_address = to_canonical_address(
token_network_proxy.proxy.contract.address)
c1_client = JSONRPCClient(
'0.0.0.0',
blockchain_rpc_ports[0],
private_keys[1],
web3=web3,
)
c2_client = JSONRPCClient(
'0.0.0.0',
blockchain_rpc_ports[0],
private_keys[2],
web3=web3,
)
c1_token_network_proxy = TokenNetwork(
c1_client,
token_network_address,
)
c2_token_network_proxy = TokenNetwork(
c2_client,
token_network_address,
)
# create a channel
channel_identifier = c1_token_network_proxy.new_netting_channel(
c2_client.sender,
TEST_SETTLE_TIMEOUT_MIN,
)
assert channel_identifier is not None
# create channel proxies
channel_proxy_1 = PaymentChannel(c1_token_network_proxy,
channel_identifier)
channel_proxy_2 = PaymentChannel(c2_token_network_proxy,
channel_identifier)
channel_filter, unlock_filter = channel_proxy_1.all_events_filter(
from_block=web3.eth.blockNumber,
to_block='latest',
)
assert channel_proxy_1.channel_identifier == channel_identifier
assert channel_proxy_2.channel_identifier == channel_identifier
assert channel_proxy_1.opened() is True
assert channel_proxy_2.opened() is True
# check the settlement timeouts
assert channel_proxy_1.settle_timeout() == channel_proxy_2.settle_timeout()
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
events = channel_filter.get_all_entries()
assert len(events) == 1 # ChannelOpened
# test deposits
initial_token_balance = 100
token_proxy.transfer(c1_client.sender, initial_token_balance)
initial_balance_c1 = token_proxy.balance_of(c1_client.sender)
assert initial_balance_c1 == initial_token_balance
initial_balance_c2 = token_proxy.balance_of(c2_client.sender)
assert initial_balance_c2 == 0
# actual deposit
channel_proxy_1.set_total_deposit(10)
events = channel_filter.get_all_entries()
assert len(events) == 2 # ChannelOpened, ChannelNewDeposit
# balance proof by c2
transferred_amount = 3
balance_proof = BalanceProof(
channel_identifier=encode_hex(channel_identifier),
token_network_address=to_checksum_address(token_network_address),
nonce=1,
chain_id=chain_id,
transferred_amount=transferred_amount,
)
balance_proof.signature = encode_hex(
sign_data(encode_hex(private_keys[1]),
balance_proof.serialize_bin()), )
# correct close
c2_token_network_proxy.close(
channel_identifier,
c1_client.sender,
balance_proof.nonce,
decode_hex(balance_proof.balance_hash),
decode_hex(balance_proof.additional_hash),
decode_hex(balance_proof.signature),
)
assert channel_proxy_1.closed() is True
assert channel_proxy_2.closed() is True
events = channel_filter.get_all_entries()
assert len(events) == 3 # ChannelOpened, ChannelNewDeposit, ChannelClosed
# check the settlement timeouts again
assert channel_proxy_1.settle_timeout() == channel_proxy_2.settle_timeout()
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
# update transfer
wait_blocks(c1_client.web3, TEST_SETTLE_TIMEOUT_MIN)
c2_token_network_proxy.settle(
channel_identifier,
0,
0,
EMPTY_HASH,
c1_client.sender,
transferred_amount,
0,
EMPTY_HASH,
)
assert channel_proxy_1.settled() is True
assert channel_proxy_2.settled() is True
events = channel_filter.get_all_entries()
assert len(
events
) == 4 # ChannelOpened, ChannelNewDeposit, ChannelClosed, ChannelSettled
def test_payment_channel_outdated_channel_close(
token_network_proxy,
private_keys,
blockchain_rpc_ports,
token_proxy,
chain_id,
web3,
):
token_network_address = to_canonical_address(
token_network_proxy.proxy.contract.address)
partner = privatekey_to_address(private_keys[0])
client = JSONRPCClient(
'0.0.0.0',
blockchain_rpc_ports[0],
private_keys[1],
web3=web3,
)
token_network_proxy = TokenNetwork(
client,
token_network_address,
)
# create a channel
channel_identifier = token_network_proxy.new_netting_channel(
partner,
TEST_SETTLE_TIMEOUT_MIN,
)
assert channel_identifier is not None
# create channel proxies
channel_proxy_1 = PaymentChannel(token_network_proxy, channel_identifier)
channel_filter, _ = channel_proxy_1.all_events_filter(
from_block=web3.eth.blockNumber,
to_block='latest',
)
assert channel_proxy_1.channel_identifier == channel_identifier
assert channel_proxy_1.opened() is True
# balance proof by c1
balance_proof = BalanceProof(
channel_identifier=encode_hex(channel_identifier),
token_network_address=to_checksum_address(token_network_address),
nonce=0,
chain_id=chain_id,
transferred_amount=0,
)
balance_proof.signature = encode_hex(
sign_data(encode_hex(private_keys[0]),
balance_proof.serialize_bin()), )
# correct close
token_network_proxy.close(
channel_identifier,
partner,
balance_proof.nonce,
bytes(32),
bytes(32),
decode_hex(balance_proof.signature),
)
assert channel_proxy_1.closed() is True
events = channel_filter.get_all_entries()
assert len(events) == 2 # ChannelOpened, ChannelClosed
# check the settlement timeouts again
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
# update transfer
wait_blocks(client.web3, TEST_SETTLE_TIMEOUT_MIN)
token_network_proxy.settle(
channel_identifier,
0,
0,
EMPTY_HASH,
partner,
0,
0,
EMPTY_HASH,
)
assert channel_proxy_1.settled() is True
events = channel_filter.get_all_entries()
assert len(events) == 3 # ChannelOpened, ChannelClosed, ChannelSettled
# Create a new channel with a different identifier
# create a channel
new_channel_identifier = token_network_proxy.new_netting_channel(
partner,
TEST_SETTLE_TIMEOUT_MIN,
)
assert new_channel_identifier is not None
# create channel proxies
channel_proxy_2 = PaymentChannel(token_network_proxy,
new_channel_identifier)
assert channel_proxy_2.channel_identifier == new_channel_identifier
assert channel_proxy_2.opened() is True
with pytest.raises(ChannelOutdatedError):
token_network_proxy.close(
channel_identifier,
partner,
balance_proof.nonce,
bytes(32),
bytes(32),
decode_hex(balance_proof.signature),
)
def test_payment_channel_proxy_basics(
token_network_proxy,
private_keys,
token_proxy,
chain_id,
web3,
contract_manager,
):
token_network_address = to_canonical_address(token_network_proxy.proxy.contract.address)
c1_client = JSONRPCClient(web3, private_keys[1])
c1_chain = BlockChainService(private_keys[1], c1_client)
c2_client = JSONRPCClient(web3, private_keys[2])
c1_token_network_proxy = TokenNetwork(
jsonrpc_client=c1_client,
token_network_address=token_network_address,
contract_manager=contract_manager,
)
c2_token_network_proxy = TokenNetwork(
jsonrpc_client=c2_client,
token_network_address=token_network_address,
contract_manager=contract_manager,
)
start_block = web3.eth.blockNumber
# create a channel
channel_identifier = c1_token_network_proxy.new_netting_channel(
c2_client.address,
TEST_SETTLE_TIMEOUT_MIN,
)
assert channel_identifier is not None
# create channel proxies
channel_proxy_1 = PaymentChannel(
token_network=c1_token_network_proxy,
channel_identifier=channel_identifier,
contract_manager=contract_manager,
)
channel_proxy_2 = PaymentChannel(
token_network=c2_token_network_proxy,
channel_identifier=channel_identifier,
contract_manager=contract_manager,
)
channel_filter = channel_proxy_1.all_events_filter(
from_block=start_block,
to_block='latest',
)
assert channel_proxy_1.channel_identifier == channel_identifier
assert channel_proxy_2.channel_identifier == channel_identifier
assert channel_proxy_1.opened() is True
assert channel_proxy_2.opened() is True
# check the settlement timeouts
assert channel_proxy_1.settle_timeout() == channel_proxy_2.settle_timeout()
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
events = channel_filter.get_all_entries()
assert len(events) == 1 # ChannelOpened
# test deposits
initial_token_balance = 100
token_proxy.transfer(c1_client.address, initial_token_balance)
initial_balance_c1 = token_proxy.balance_of(c1_client.address)
assert initial_balance_c1 == initial_token_balance
initial_balance_c2 = token_proxy.balance_of(c2_client.address)
assert initial_balance_c2 == 0
# actual deposit
channel_proxy_1.set_total_deposit(10)
events = channel_filter.get_all_entries()
assert len(events) == 2 # ChannelOpened, ChannelNewDeposit
# balance proof by c2
transferred_amount = 3
balance_proof = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=to_checksum_address(token_network_address),
nonce=1,
chain_id=chain_id,
transferred_amount=transferred_amount,
)
balance_proof.signature = encode_hex(eth_sign(
privkey=encode_hex(private_keys[1]),
data=balance_proof.serialize_bin(),
))
# correct close
c2_token_network_proxy.close(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=decode_hex(balance_proof.balance_hash),
nonce=balance_proof.nonce,
additional_hash=decode_hex(balance_proof.additional_hash),
signature=decode_hex(balance_proof.signature),
)
assert channel_proxy_1.closed() is True
assert channel_proxy_2.closed() is True
events = channel_filter.get_all_entries()
assert len(events) == 3 # ChannelOpened, ChannelNewDeposit, ChannelClosed
# check the settlement timeouts again
assert channel_proxy_1.settle_timeout() == channel_proxy_2.settle_timeout()
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
# update transfer
wait_until_block(c1_chain, c1_client.block_number() + TEST_SETTLE_TIMEOUT_MIN)
c2_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=0,
locked_amount=0,
locksroot=EMPTY_HASH,
partner=c1_client.address,
partner_transferred_amount=transferred_amount,
partner_locked_amount=0,
partner_locksroot=EMPTY_HASH,
)
assert channel_proxy_1.settled() is True
assert channel_proxy_2.settled() is True
events = channel_filter.get_all_entries()
assert len(events) == 4 # ChannelOpened, ChannelNewDeposit, ChannelClosed, ChannelSettled
def test_payment_channel_outdated_channel_close(
token_network_proxy,
private_keys,
chain_id,
web3,
contract_manager,
):
token_network_address = to_canonical_address(token_network_proxy.proxy.contract.address)
partner = privatekey_to_address(private_keys[0])
client = JSONRPCClient(web3, private_keys[1])
chain = BlockChainService(private_keys[1], client)
token_network_proxy = TokenNetwork(
jsonrpc_client=client,
token_network_address=token_network_address,
contract_manager=contract_manager,
)
start_block = web3.eth.blockNumber
# create a channel
channel_identifier = token_network_proxy.new_netting_channel(
partner,
TEST_SETTLE_TIMEOUT_MIN,
)
assert channel_identifier is not None
# create channel proxies
channel_proxy_1 = PaymentChannel(
token_network=token_network_proxy,
channel_identifier=channel_identifier,
contract_manager=contract_manager,
)
channel_filter = channel_proxy_1.all_events_filter(
from_block=start_block,
to_block='latest',
)
assert channel_proxy_1.channel_identifier == channel_identifier
assert channel_proxy_1.opened() is True
# balance proof by c1
balance_proof = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=to_checksum_address(token_network_address),
nonce=0,
chain_id=chain_id,
transferred_amount=0,
)
balance_proof.signature = encode_hex(eth_sign(
privkey=encode_hex(private_keys[0]),
data=balance_proof.serialize_bin(),
))
# correct close
token_network_proxy.close(
channel_identifier=channel_identifier,
partner=partner,
balance_hash=bytes(32),
nonce=balance_proof.nonce,
additional_hash=bytes(32),
signature=decode_hex(balance_proof.signature),
)
assert channel_proxy_1.closed() is True
events = channel_filter.get_all_entries()
assert len(events) == 2 # ChannelOpened, ChannelClosed
# check the settlement timeouts again
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
# update transfer
wait_until_block(chain, client.block_number() + TEST_SETTLE_TIMEOUT_MIN)
token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=0,
locked_amount=0,
locksroot=EMPTY_HASH,
partner=partner,
partner_transferred_amount=0,
partner_locked_amount=0,
partner_locksroot=EMPTY_HASH,
)
assert channel_proxy_1.settled() is True
events = channel_filter.get_all_entries()
assert len(events) == 3 # ChannelOpened, ChannelClosed, ChannelSettled
# Create a new channel with a different identifier
# create a channel
new_channel_identifier = token_network_proxy.new_netting_channel(
partner,
TEST_SETTLE_TIMEOUT_MIN,
)
assert new_channel_identifier is not None
# create channel proxies
channel_proxy_2 = PaymentChannel(
token_network=token_network_proxy,
channel_identifier=new_channel_identifier,
contract_manager=contract_manager,
)
assert channel_proxy_2.channel_identifier == new_channel_identifier
assert channel_proxy_2.opened() is True
with pytest.raises(ChannelOutdatedError):
token_network_proxy.close(
channel_identifier=channel_identifier,
partner=partner,
balance_hash=bytes(32),
nonce=balance_proof.nonce,
additional_hash=bytes(32),
signature=decode_hex(balance_proof.signature),
)
def test_payment_channel_proxy_basics(
token_network_proxy,
private_keys,
blockchain_rpc_ports,
token_proxy,
chain_id,
web3,
):
token_network_address = to_canonical_address(token_network_proxy.proxy.contract.address)
c1_client = JSONRPCClient(
'0.0.0.0',
blockchain_rpc_ports[0],
private_keys[1],
web3=web3,
)
c2_client = JSONRPCClient(
'0.0.0.0',
blockchain_rpc_ports[0],
private_keys[2],
web3=web3,
)
c1_token_network_proxy = TokenNetwork(
c1_client,
token_network_address,
)
c2_token_network_proxy = TokenNetwork(
c2_client,
token_network_address,
)
# create a channel
channel_identifier = c1_token_network_proxy.new_netting_channel(
c2_client.sender,
TEST_SETTLE_TIMEOUT_MIN,
)
assert channel_identifier is not None
# create channel proxies
channel_proxy_1 = PaymentChannel(c1_token_network_proxy, channel_identifier)
channel_proxy_2 = PaymentChannel(c2_token_network_proxy, channel_identifier)
channel_filter, unlock_filter = channel_proxy_1.all_events_filter(
from_block=web3.eth.blockNumber,
to_block='latest',
)
assert channel_proxy_1.channel_identifier == channel_identifier
assert channel_proxy_2.channel_identifier == channel_identifier
assert channel_proxy_1.opened() is True
assert channel_proxy_2.opened() is True
# check the settlement timeouts
assert channel_proxy_1.settle_timeout() == channel_proxy_2.settle_timeout()
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
events = channel_filter.get_all_entries()
assert len(events) == 1 # ChannelOpened
# test deposits
initial_token_balance = 100
token_proxy.transfer(c1_client.sender, initial_token_balance)
initial_balance_c1 = token_proxy.balance_of(c1_client.sender)
assert initial_balance_c1 == initial_token_balance
initial_balance_c2 = token_proxy.balance_of(c2_client.sender)
assert initial_balance_c2 == 0
# actual deposit
channel_proxy_1.set_total_deposit(10)
events = channel_filter.get_all_entries()
assert len(events) == 2 # ChannelOpened, ChannelNewDeposit
# balance proof by c2
transferred_amount = 3
balance_proof = BalanceProof(
channel_identifier=encode_hex(channel_identifier),
token_network_address=to_checksum_address(token_network_address),
nonce=1,
chain_id=chain_id,
transferred_amount=transferred_amount,
)
balance_proof.signature = encode_hex(
sign_data(encode_hex(private_keys[1]), balance_proof.serialize_bin()),
)
# correct close
c2_token_network_proxy.close(
c1_client.sender,
balance_proof.nonce,
decode_hex(balance_proof.balance_hash),
decode_hex(balance_proof.additional_hash),
decode_hex(balance_proof.signature),
)
assert channel_proxy_1.closed() is True
assert channel_proxy_2.closed() is True
events = channel_filter.get_all_entries()
assert len(events) == 3 # ChannelOpened, ChannelNewDeposit, ChannelClosed
# check the settlement timeouts again
assert channel_proxy_1.settle_timeout() == channel_proxy_2.settle_timeout()
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
# update transfer
wait_blocks(c1_client.web3, TEST_SETTLE_TIMEOUT_MIN)
c2_token_network_proxy.settle(
0,
0,
EMPTY_HASH,
c1_client.sender,
transferred_amount,
0,
EMPTY_HASH,
)
assert channel_proxy_1.settled() is True
assert channel_proxy_2.settled() is True
events = channel_filter.get_all_entries()
assert len(events) == 4 # ChannelOpened, ChannelNewDeposit, ChannelClosed, ChannelSettled