def test_payment_channel_proxy_basics(
token_network_registry_address: TokenNetworkRegistryAddress,
token_network_proxy: TokenNetwork,
token_proxy: Token,
chain_id: ChainID,
private_keys: List[PrivateKey],
web3: Web3,
contract_manager: ContractManager,
reveal_timeout: BlockTimeout,
) -> None:
token_network_address = token_network_proxy.address
partner = privatekey_to_address(private_keys[0])
rpc_client = JSONRPCClient(web3, private_keys[1])
proxy_manager = ProxyManager(
rpc_client=rpc_client,
contract_manager=contract_manager,
metadata=ProxyManagerMetadata(
token_network_registry_deployed_at=GENESIS_BLOCK_NUMBER,
filters_start_at=GENESIS_BLOCK_NUMBER,
),
)
token_network_proxy = proxy_manager.token_network(
address=token_network_address, block_identifier=BLOCK_ID_LATEST
)
start_block = web3.eth.blockNumber
channel_details = token_network_proxy.new_netting_channel(
partner=partner,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier=BLOCK_ID_LATEST,
)
channel_identifier = channel_details.channel_identifier
assert channel_identifier is not None
channel_state = NettingChannelState(
canonical_identifier=CanonicalIdentifier(
chain_identifier=chain_id,
token_network_address=token_network_address,
channel_identifier=channel_identifier,
),
token_address=token_network_proxy.token_address(),
token_network_registry_address=token_network_registry_address,
reveal_timeout=reveal_timeout,
settle_timeout=BlockTimeout(TEST_SETTLE_TIMEOUT_MIN),
fee_schedule=FeeScheduleState(),
our_state=NettingChannelEndState(
address=token_network_proxy.client.address, contract_balance=Balance(0)
),
partner_state=NettingChannelEndState(address=partner, contract_balance=Balance(0)),
open_transaction=SuccessfulTransactionState(finished_block_number=BlockNumber(0)),
)
channel_proxy_1 = proxy_manager.payment_channel(
channel_state=channel_state, block_identifier=BLOCK_ID_LATEST
)
assert channel_proxy_1.channel_identifier == channel_identifier
assert channel_proxy_1.opened(BLOCK_ID_LATEST) is True
# Test deposit
initial_token_balance = 100
token_proxy.transfer(rpc_client.address, TokenAmount(initial_token_balance))
assert token_proxy.balance_of(rpc_client.address) == initial_token_balance
assert token_proxy.balance_of(partner) == 0
channel_proxy_1.approve_and_set_total_deposit(
total_deposit=TokenAmount(10), block_identifier=BLOCK_ID_LATEST
)
# ChannelOpened, ChannelNewDeposit
channel_events = get_all_netting_channel_events(
proxy_manager=proxy_manager,
token_network_address=token_network_address,
netting_channel_identifier=channel_proxy_1.channel_identifier,
contract_manager=contract_manager,
from_block=start_block,
to_block=web3.eth.blockNumber,
)
assert len(channel_events) == 2
block_before_close = web3.eth.blockNumber
empty_balance_proof = BalanceProof(
channel_identifier=channel_proxy_1.channel_identifier,
token_network_address=token_network_address,
balance_hash=EMPTY_BALANCE_HASH,
nonce=0,
chain_id=chain_id,
transferred_amount=TokenAmount(0),
)
closing_data = (
empty_balance_proof.serialize_bin(msg_type=MessageTypeId.BALANCE_PROOF) + EMPTY_SIGNATURE
)
channel_proxy_1.close(
nonce=Nonce(0),
balance_hash=EMPTY_BALANCE_HASH,
additional_hash=EMPTY_MESSAGE_HASH,
non_closing_signature=EMPTY_SIGNATURE,
closing_signature=LocalSigner(private_keys[1]).sign(data=closing_data),
block_identifier=BLOCK_ID_LATEST,
)
assert channel_proxy_1.closed(BLOCK_ID_LATEST) is True
# ChannelOpened, ChannelNewDeposit, ChannelClosed
channel_events = get_all_netting_channel_events(
proxy_manager=proxy_manager,
token_network_address=token_network_address,
netting_channel_identifier=channel_proxy_1.channel_identifier,
contract_manager=contract_manager,
from_block=start_block,
to_block=web3.eth.blockNumber,
)
assert len(channel_events) == 3
# check the settlement timeouts again
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
# update transfer -- we need to wait on +1 since we use the latest block on parity for
# estimate gas and at the time the latest block is the settle timeout block.
# More info: https://github.com/raiden-network/raiden/pull/3699#discussion_r270477227
rpc_client.wait_until_block(
target_block_number=BlockNumber(rpc_client.block_number() + TEST_SETTLE_TIMEOUT_MIN + 1)
)
transaction_hash = channel_proxy_1.settle(
transferred_amount=TokenAmount(0),
locked_amount=LockedAmount(0),
locksroot=LOCKSROOT_OF_NO_LOCKS,
partner_transferred_amount=TokenAmount(0),
partner_locked_amount=LockedAmount(0),
partner_locksroot=LOCKSROOT_OF_NO_LOCKS,
block_identifier=BLOCK_ID_LATEST,
)
assert is_tx_hash_bytes(transaction_hash)
assert channel_proxy_1.settled(BLOCK_ID_LATEST) is True
# ChannelOpened, ChannelNewDeposit, ChannelClosed, ChannelSettled
channel_events = get_all_netting_channel_events(
proxy_manager=proxy_manager,
token_network_address=token_network_address,
netting_channel_identifier=channel_proxy_1.channel_identifier,
contract_manager=contract_manager,
from_block=start_block,
to_block=web3.eth.blockNumber,
)
assert len(channel_events) == 4
channel_details = token_network_proxy.new_netting_channel(
partner=partner,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier=BLOCK_ID_LATEST,
)
new_channel_identifier = channel_details.channel_identifier
assert new_channel_identifier is not None
channel_state = NettingChannelState(
canonical_identifier=CanonicalIdentifier(
chain_identifier=chain_id,
token_network_address=token_network_address,
channel_identifier=new_channel_identifier,
),
token_address=token_network_proxy.token_address(),
token_network_registry_address=token_network_registry_address,
reveal_timeout=reveal_timeout,
settle_timeout=BlockTimeout(TEST_SETTLE_TIMEOUT_MIN),
fee_schedule=FeeScheduleState(),
our_state=NettingChannelEndState(
address=token_network_proxy.client.address, contract_balance=Balance(0)
),
partner_state=NettingChannelEndState(address=partner, contract_balance=Balance(0)),
open_transaction=SuccessfulTransactionState(finished_block_number=BlockNumber(0)),
)
channel_proxy_2 = proxy_manager.payment_channel(
channel_state=channel_state, block_identifier=BLOCK_ID_LATEST
)
assert channel_proxy_2.channel_identifier == new_channel_identifier
assert channel_proxy_2.opened(BLOCK_ID_LATEST) is True
msg = "The channel was already closed, the second call must fail"
with pytest.raises(RaidenRecoverableError):
channel_proxy_1.close(
nonce=Nonce(0),
balance_hash=EMPTY_BALANCE_HASH,
additional_hash=EMPTY_MESSAGE_HASH,
non_closing_signature=EMPTY_SIGNATURE,
closing_signature=LocalSigner(private_keys[1]).sign(data=closing_data),
block_identifier=block_before_close,
)
pytest.fail(msg)
msg = "The channel is not open at latest, this must raise"
with pytest.raises(RaidenUnrecoverableError):
channel_proxy_1.close(
nonce=Nonce(0),
balance_hash=EMPTY_BALANCE_HASH,
additional_hash=EMPTY_MESSAGE_HASH,
non_closing_signature=EMPTY_SIGNATURE,
closing_signature=LocalSigner(private_keys[1]).sign(data=closing_data),
block_identifier=BLOCK_ID_LATEST,
)
pytest.fail(msg)
msg = (
"The channel was not opened at the provided block (latest). "
"This call should never have been attempted."
)
with pytest.raises(BrokenPreconditionError):
channel_proxy_1.approve_and_set_total_deposit(
total_deposit=TokenAmount(20), block_identifier=BLOCK_ID_LATEST
)
pytest.fail(msg)
def test_token_network_proxy_update_transfer(token_network_proxy, private_keys,
token_proxy, chain_id, web3,
contract_manager):
"""Tests channel lifecycle, with `update_transfer` before settling"""
token_network_address = to_canonical_address(
token_network_proxy.proxy.contract.address)
c1_client = JSONRPCClient(web3, private_keys[1])
c1_chain = BlockChainService(jsonrpc_client=c1_client,
contract_manager=contract_manager)
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,
)
# create a channel
channel_identifier = c1_token_network_proxy.new_netting_channel(
partner=c2_client.address,
settle_timeout=10,
given_block_identifier="latest")
# deposit to the channel
initial_balance = 100
token_proxy.transfer(c1_client.address, initial_balance)
token_proxy.transfer(c2_client.address, initial_balance)
initial_balance_c1 = token_proxy.balance_of(c1_client.address)
assert initial_balance_c1 == initial_balance
initial_balance_c2 = token_proxy.balance_of(c2_client.address)
assert initial_balance_c2 == initial_balance
c1_token_network_proxy.set_total_deposit(
given_block_identifier="latest",
channel_identifier=channel_identifier,
total_deposit=10,
partner=c2_client.address,
)
c2_token_network_proxy.set_total_deposit(
given_block_identifier="latest",
channel_identifier=channel_identifier,
total_deposit=10,
partner=c1_client.address,
)
# balance proof signed by c1
transferred_amount_c1 = 1
transferred_amount_c2 = 3
balance_proof_c1 = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=to_checksum_address(token_network_address),
nonce=1,
chain_id=chain_id,
transferred_amount=transferred_amount_c1,
)
balance_proof_c1.signature = encode_hex(
LocalSigner(
private_keys[1]).sign(data=balance_proof_c1.serialize_bin()))
# balance proof signed by c2
balance_proof_c2 = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=to_checksum_address(token_network_address),
nonce=2,
chain_id=chain_id,
transferred_amount=transferred_amount_c2,
)
balance_proof_c2.signature = encode_hex(
LocalSigner(
private_keys[2]).sign(data=balance_proof_c2.serialize_bin()))
non_closing_data = balance_proof_c1.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF_UPDATE) + decode_hex(
balance_proof_c1.signature)
non_closing_signature = LocalSigner(
c2_client.privkey).sign(data=non_closing_data)
with pytest.raises(RaidenUnrecoverableError) as exc:
c2_token_network_proxy.update_transfer(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=decode_hex(balance_proof_c1.balance_hash),
nonce=balance_proof_c1.nonce,
additional_hash=decode_hex(balance_proof_c1.additional_hash),
closing_signature=decode_hex(balance_proof_c1.signature),
non_closing_signature=non_closing_signature,
given_block_identifier="latest",
)
assert "not in a closed state" in str(exc)
# close by c1
c1_token_network_proxy.close(
channel_identifier=channel_identifier,
partner=c2_client.address,
balance_hash=decode_hex(balance_proof_c2.balance_hash),
nonce=balance_proof_c2.nonce,
additional_hash=decode_hex(balance_proof_c2.additional_hash),
signature=decode_hex(balance_proof_c2.signature),
given_block_identifier="latest",
)
# update transfer with completely invalid closing signature
with pytest.raises(RaidenUnrecoverableError) as excinfo:
c2_token_network_proxy.update_transfer(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=decode_hex(balance_proof_c1.balance_hash),
nonce=balance_proof_c1.nonce,
additional_hash=decode_hex(balance_proof_c1.additional_hash),
closing_signature=b"",
non_closing_signature=b"",
given_block_identifier="latest",
)
assert str(excinfo.value) == "Couldn't verify the balance proof signature"
# using invalid non-closing signature
# Usual mistake when calling update Transfer - balance proof signature is missing in the data
non_closing_data = balance_proof_c1.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF_UPDATE)
non_closing_signature = LocalSigner(
c2_client.privkey).sign(data=non_closing_data)
with pytest.raises(RaidenUnrecoverableError):
c2_token_network_proxy.update_transfer(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=decode_hex(balance_proof_c1.balance_hash),
nonce=balance_proof_c1.nonce,
additional_hash=decode_hex(balance_proof_c1.additional_hash),
closing_signature=decode_hex(balance_proof_c1.signature),
non_closing_signature=non_closing_signature,
given_block_identifier="latest",
)
non_closing_data = balance_proof_c1.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF_UPDATE) + decode_hex(
balance_proof_c1.signature)
non_closing_signature = LocalSigner(
c2_client.privkey).sign(data=non_closing_data)
c2_token_network_proxy.update_transfer(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=decode_hex(balance_proof_c1.balance_hash),
nonce=balance_proof_c1.nonce,
additional_hash=decode_hex(balance_proof_c1.additional_hash),
closing_signature=decode_hex(balance_proof_c1.signature),
non_closing_signature=non_closing_signature,
given_block_identifier="latest",
)
with pytest.raises(RaidenUnrecoverableError) as exc:
c1_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=transferred_amount_c1,
locked_amount=0,
locksroot=EMPTY_HASH,
partner=c2_client.address,
partner_transferred_amount=transferred_amount_c2,
partner_locked_amount=0,
partner_locksroot=EMPTY_HASH,
given_block_identifier="latest",
)
assert "cannot be settled before settlement window is over" in str(exc)
c1_chain.wait_until_block(target_block_number=c1_chain.block_number() + 10)
# settling with an invalid amount
with pytest.raises(RaidenUnrecoverableError):
c1_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=2,
locked_amount=0,
locksroot=EMPTY_HASH,
partner=c2_client.address,
partner_transferred_amount=2,
partner_locked_amount=0,
partner_locksroot=EMPTY_HASH,
given_block_identifier="latest",
)
# proper settle
c1_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=transferred_amount_c1,
locked_amount=0,
locksroot=EMPTY_HASH,
partner=c2_client.address,
partner_transferred_amount=transferred_amount_c2,
partner_locked_amount=0,
partner_locksroot=EMPTY_HASH,
given_block_identifier="latest",
)
assert token_proxy.balance_of(
c2_client.address) == (initial_balance_c2 + transferred_amount_c1 -
transferred_amount_c2)
assert token_proxy.balance_of(
c1_client.address) == (initial_balance_c1 + transferred_amount_c2 -
transferred_amount_c1)
# Already settled
with pytest.raises(RaidenUnrecoverableError) as exc:
c2_token_network_proxy.set_total_deposit(
given_block_identifier="latest",
channel_identifier=channel_identifier,
total_deposit=20,
partner=c1_client.address,
)
assert "getChannelIdentifier returned 0" in str(exc)
def test_token_network_actions_at_pruned_blocks(token_network_proxy,
private_keys, token_proxy,
web3, chain_id,
contract_manager):
token_network_address = to_canonical_address(
token_network_proxy.proxy.contract.address)
c1_client = JSONRPCClient(web3, private_keys[1])
c1_proxy_manager = ProxyManager(
rpc_client=c1_client,
contract_manager=contract_manager,
metadata=ProxyManagerMetadata(
token_network_registry_deployed_at=GENESIS_BLOCK_NUMBER,
filters_start_at=GENESIS_BLOCK_NUMBER,
),
)
c1_token_network_proxy = c1_proxy_manager.token_network(
token_network_address)
c2_client = JSONRPCClient(web3, private_keys[2])
c2_proxy_manager = ProxyManager(
rpc_client=c2_client,
contract_manager=contract_manager,
metadata=ProxyManagerMetadata(
token_network_registry_deployed_at=GENESIS_BLOCK_NUMBER,
filters_start_at=GENESIS_BLOCK_NUMBER,
),
)
c2_token_network_proxy = c2_proxy_manager.token_network(
token_network_address)
initial_token_balance = 100
token_proxy.transfer(c1_client.address, initial_token_balance)
token_proxy.transfer(c2_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 == initial_token_balance
# create a channel
settle_timeout = STATE_PRUNING_AFTER_BLOCKS + 10
channel_identifier = c1_token_network_proxy.new_netting_channel(
partner=c2_client.address,
settle_timeout=settle_timeout,
given_block_identifier="latest")
# Now wait until this block becomes pruned
pruned_number = c1_proxy_manager.client.block_number()
c1_proxy_manager.wait_until_block(target_block_number=pruned_number +
STATE_PRUNING_AFTER_BLOCKS)
# deposit with given block being pruned
c1_token_network_proxy.set_total_deposit(
given_block_identifier=pruned_number,
channel_identifier=channel_identifier,
total_deposit=2,
partner=c2_client.address,
)
# balance proof signed by c1
transferred_amount_c1 = 1
balance_proof_c1 = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=to_checksum_address(token_network_address),
nonce=1,
chain_id=chain_id,
transferred_amount=transferred_amount_c1,
)
balance_proof_c1.signature = encode_hex(
LocalSigner(
private_keys[1]).sign(data=balance_proof_c1.serialize_bin()))
non_closing_data = balance_proof_c1.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF_UPDATE) + decode_hex(
balance_proof_c1.signature)
non_closing_signature = LocalSigner(
c2_client.privkey).sign(data=non_closing_data)
# close channel with given block being pruned
empty_balance_proof = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=c1_token_network_proxy.address,
balance_hash=encode_hex(EMPTY_BALANCE_HASH),
nonce=0,
chain_id=chain_id,
transferred_amount=0,
)
closing_data = (empty_balance_proof.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF) + EMPTY_SIGNATURE)
c1_token_network_proxy.close(
channel_identifier=channel_identifier,
partner=c2_client.address,
balance_hash=EMPTY_HASH,
nonce=0,
additional_hash=EMPTY_HASH,
non_closing_signature=EMPTY_SIGNATURE,
closing_signature=LocalSigner(
c1_client.privkey).sign(data=closing_data),
given_block_identifier=pruned_number,
)
close_pruned_number = c1_proxy_manager.client.block_number()
assert (c1_token_network_proxy.channel_is_closed(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier="latest",
channel_identifier=channel_identifier,
) is True)
assert (c1_token_network_proxy.get_channel_identifier_or_none(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier="latest",
) is not None)
c1_proxy_manager.wait_until_block(target_block_number=close_pruned_number +
STATE_PRUNING_AFTER_BLOCKS)
# update transfer with given block being pruned
c2_token_network_proxy.update_transfer(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=decode_hex(balance_proof_c1.balance_hash),
nonce=balance_proof_c1.nonce,
additional_hash=decode_hex(balance_proof_c1.additional_hash),
closing_signature=decode_hex(balance_proof_c1.signature),
non_closing_signature=non_closing_signature,
given_block_identifier=close_pruned_number,
)
# update transfer
c1_proxy_manager.wait_until_block(target_block_number=close_pruned_number +
settle_timeout)
# Test that settling will fail because at closed_pruned_number
# the settlement period isn't over.
with pytest.raises(BrokenPreconditionError):
c1_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=transferred_amount_c1,
locked_amount=0,
locksroot=LOCKSROOT_OF_NO_LOCKS,
partner=c2_client.address,
partner_transferred_amount=0,
partner_locked_amount=0,
partner_locksroot=LOCKSROOT_OF_NO_LOCKS,
given_block_identifier=close_pruned_number,
)
settle_block_number = close_pruned_number + settle_timeout
# Wait until the settle block is pruned
c1_proxy_manager.wait_until_block(target_block_number=settle_block_number +
STATE_PRUNING_AFTER_BLOCKS + 1)
c1_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=transferred_amount_c1,
locked_amount=0,
locksroot=LOCKSROOT_OF_NO_LOCKS,
partner=c2_client.address,
partner_transferred_amount=0,
partner_locked_amount=0,
partner_locksroot=LOCKSROOT_OF_NO_LOCKS,
# Settle is block number is pruned, we should not fail at pre-conditions.
given_block_identifier=settle_block_number,
)
assert token_proxy.balance_of(
c2_client.address) == (initial_balance_c2 + transferred_amount_c1 - 0)
assert token_proxy.balance_of(
c1_client.address) == (initial_balance_c1 + 0 - transferred_amount_c1)
def test_token_network_proxy(token_network_proxy, private_keys, token_proxy,
chain_id, web3, contract_manager):
assert token_network_proxy.settlement_timeout_min(
) == TEST_SETTLE_TIMEOUT_MIN
assert token_network_proxy.settlement_timeout_max(
) == TEST_SETTLE_TIMEOUT_MAX
token_network_address = to_canonical_address(
token_network_proxy.proxy.contract.address)
c1_signer = LocalSigner(private_keys[1])
c1_client = JSONRPCClient(web3, private_keys[1])
c1_proxy_manager = ProxyManager(
rpc_client=c1_client,
contract_manager=contract_manager,
metadata=ProxyManagerMetadata(
token_network_registry_deployed_at=GENESIS_BLOCK_NUMBER,
filters_start_at=GENESIS_BLOCK_NUMBER,
),
)
c2_client = JSONRPCClient(web3, private_keys[2])
c2_proxy_manager = ProxyManager(
rpc_client=c2_client,
contract_manager=contract_manager,
metadata=ProxyManagerMetadata(
token_network_registry_deployed_at=GENESIS_BLOCK_NUMBER,
filters_start_at=GENESIS_BLOCK_NUMBER,
),
)
c2_signer = LocalSigner(private_keys[2])
c1_token_network_proxy = c1_proxy_manager.token_network(
token_network_address)
c2_token_network_proxy = c2_proxy_manager.token_network(
token_network_address)
initial_token_balance = 100
token_proxy.transfer(c1_client.address, initial_token_balance)
token_proxy.transfer(c2_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 == initial_token_balance
# instantiating a new channel - test basic assumptions
assert (c1_token_network_proxy.get_channel_identifier_or_none(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier="latest",
) is None)
msg = "Hex encoded addresses are not supported, an assertion must be raised"
with pytest.raises(AssertionError):
c1_token_network_proxy.get_channel_identifier(
participant1=to_checksum_address(c1_client.address),
participant2=to_checksum_address(c2_client.address),
block_identifier="latest",
)
pytest.fail(msg)
msg = "Zero is not a valid channel_identifier identifier, an exception must be raised."
with pytest.raises(InvalidChannelID):
assert c1_token_network_proxy.channel_is_opened(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier="latest",
channel_identifier=0,
)
pytest.fail(msg)
msg = "Zero is not a valid channel_identifier identifier. an exception must be raised."
with pytest.raises(InvalidChannelID):
assert c1_token_network_proxy.channel_is_closed(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier="latest",
channel_identifier=0,
)
pytest.fail(msg)
msg = ("Opening a channel with a settle_timeout lower then token "
"network's minimum will fail. This must be validated and the "
"transaction must not be sent.")
with pytest.raises(InvalidSettleTimeout):
c1_token_network_proxy.new_netting_channel(
partner=c2_client.address,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN - 1,
given_block_identifier="latest",
)
pytest.fail(msg)
# Using exactly the minimal timeout must succeed
c1_token_network_proxy.new_netting_channel(
partner=make_address(),
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier="latest",
)
msg = ("Opening a channel with a settle_timeout larger then token "
"network's maximum will fail. This must be validated and the "
"transaction must not be sent.")
with pytest.raises(InvalidSettleTimeout):
c1_token_network_proxy.new_netting_channel(
partner=c2_client.address,
settle_timeout=TEST_SETTLE_TIMEOUT_MAX + 1,
given_block_identifier="latest",
)
pytest.fail(msg)
# Using exactly the maximal timeout must succeed
c1_token_network_proxy.new_netting_channel(
partner=make_address(),
settle_timeout=TEST_SETTLE_TIMEOUT_MAX,
given_block_identifier="latest",
)
msg = (
"Opening a channel with itself is not allow. This must be validated and "
"the transaction must not be sent.")
with pytest.raises(SamePeerAddress):
c1_token_network_proxy.new_netting_channel(
partner=c1_client.address,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier="latest",
)
pytest.fail(msg)
msg = "Trying a deposit to an inexisting channel must fail."
with pytest.raises(BrokenPreconditionError):
c1_token_network_proxy.set_total_deposit(
given_block_identifier="latest",
channel_identifier=100,
total_deposit=1,
partner=c2_client.address,
)
pytest.fail(msg)
empty_balance_proof = BalanceProof(
channel_identifier=100,
token_network_address=c1_token_network_proxy.address,
balance_hash=encode_hex(EMPTY_BALANCE_HASH),
nonce=0,
chain_id=chain_id,
transferred_amount=0,
)
closing_data = (empty_balance_proof.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF) + EMPTY_SIGNATURE)
msg = "Trying to close an inexisting channel must fail."
match = "The channel was not open at the provided block"
with pytest.raises(RaidenUnrecoverableError, match=match):
c1_token_network_proxy.close(
channel_identifier=100,
partner=c2_client.address,
balance_hash=EMPTY_HASH,
nonce=0,
additional_hash=EMPTY_HASH,
non_closing_signature=EMPTY_SIGNATURE,
closing_signature=c1_signer.sign(data=closing_data),
given_block_identifier="latest",
)
pytest.fail(msg)
channel_identifier = c1_token_network_proxy.new_netting_channel(
partner=c2_client.address,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier="latest",
)
msg = "new_netting_channel did not return a valid channel id"
assert isinstance(channel_identifier, T_ChannelID), msg
msg = "multiple channels with the same peer are not allowed"
with pytest.raises(BrokenPreconditionError):
c1_token_network_proxy.new_netting_channel(
partner=c2_client.address,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier="latest",
)
pytest.fail(msg)
assert (c1_token_network_proxy.get_channel_identifier_or_none(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier="latest",
) is not None)
assert (c1_token_network_proxy.channel_is_opened(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier="latest",
channel_identifier=channel_identifier,
) is True)
msg = "set_total_deposit must fail if the amount exceed the account's balance"
with pytest.raises(BrokenPreconditionError):
c1_token_network_proxy.set_total_deposit(
given_block_identifier="latest",
channel_identifier=channel_identifier,
total_deposit=initial_token_balance + 1,
partner=c2_client.address,
)
pytest.fail(msg)
msg = "set_total_deposit must fail with a negative amount"
with pytest.raises(BrokenPreconditionError):
c1_token_network_proxy.set_total_deposit(
given_block_identifier="latest",
channel_identifier=channel_identifier,
total_deposit=-1,
partner=c2_client.address,
)
pytest.fail(msg)
msg = "set_total_deposit must fail with a zero amount"
with pytest.raises(BrokenPreconditionError):
c1_token_network_proxy.set_total_deposit(
given_block_identifier="latest",
channel_identifier=channel_identifier,
total_deposit=0,
partner=c2_client.address,
)
pytest.fail(msg)
c1_token_network_proxy.set_total_deposit(
given_block_identifier="latest",
channel_identifier=channel_identifier,
total_deposit=10,
partner=c2_client.address,
)
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,
)
signature = c1_signer.sign(data=balance_proof.serialize_bin())
balance_proof.signature = encode_hex(signature)
signature_number = int.from_bytes(signature, "big")
bit_to_change = random.randint(0, SIGNATURE_SIZE_IN_BITS - 1)
signature_number_bit_flipped = signature_number ^ (2**bit_to_change)
invalid_signatures = [
EMPTY_SIGNATURE,
b"\x11" * 65,
signature_number_bit_flipped.to_bytes(len(signature), "big"),
]
msg = "close must fail if the closing_signature is invalid"
for invalid_signature in invalid_signatures:
closing_data = (
balance_proof.serialize_bin(msg_type=MessageTypeId.BALANCE_PROOF) +
invalid_signature)
with pytest.raises(RaidenUnrecoverableError):
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),
non_closing_signature=invalid_signature,
closing_signature=c2_signer.sign(data=closing_data),
given_block_identifier="latest",
)
pytest.fail(msg)
blocknumber_prior_to_close = c2_client.block_number()
closing_data = balance_proof.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF) + decode_hex(
balance_proof.signature)
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),
non_closing_signature=decode_hex(balance_proof.signature),
closing_signature=c2_signer.sign(data=closing_data),
given_block_identifier="latest",
)
assert (c1_token_network_proxy.channel_is_closed(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier="latest",
channel_identifier=channel_identifier,
) is True)
assert (c1_token_network_proxy.get_channel_identifier_or_none(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier="latest",
) is not None)
msg = (
"given_block_identifier is the block at which the transaction is being "
"sent. If the channel is already closed at that block the client code "
"has a programming error. An exception is raised for that.")
with pytest.raises(RaidenUnrecoverableError):
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),
non_closing_signature=decode_hex(balance_proof.signature),
closing_signature=c2_signer.sign(data=closing_data),
given_block_identifier="latest",
)
pytest.fail(msg)
msg = ("The channel cannot be closed two times. If it was not closed at "
"given_block_identifier but it is closed at the time the proxy is "
"called an exception must be raised.")
with pytest.raises(RaidenRecoverableError):
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),
non_closing_signature=decode_hex(balance_proof.signature),
closing_signature=c2_signer.sign(data=closing_data),
given_block_identifier=blocknumber_prior_to_close,
)
pytest.fail(msg)
msg = "depositing to a closed channel must fail"
match = "closed"
with pytest.raises(RaidenRecoverableError, match=match):
c2_token_network_proxy.set_total_deposit(
given_block_identifier=blocknumber_prior_to_close,
channel_identifier=channel_identifier,
total_deposit=20,
partner=c1_client.address,
)
pytest.fail(msg)
c1_proxy_manager.wait_until_block(
target_block_number=c1_proxy_manager.client.block_number() +
TEST_SETTLE_TIMEOUT_MIN)
invalid_transferred_amount = 1
msg = "settle with invalid transferred_amount data must fail"
with pytest.raises(BrokenPreconditionError):
c2_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=invalid_transferred_amount,
locked_amount=0,
locksroot=LOCKSROOT_OF_NO_LOCKS,
partner=c1_client.address,
partner_transferred_amount=transferred_amount,
partner_locked_amount=0,
partner_locksroot=LOCKSROOT_OF_NO_LOCKS,
given_block_identifier="latest",
)
pytest.fail(msg)
c2_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=0,
locked_amount=0,
locksroot=LOCKSROOT_OF_NO_LOCKS,
partner=c1_client.address,
partner_transferred_amount=transferred_amount,
partner_locked_amount=0,
partner_locksroot=LOCKSROOT_OF_NO_LOCKS,
given_block_identifier="latest",
)
assert (c1_token_network_proxy.get_channel_identifier_or_none(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier="latest",
) is None)
assert token_proxy.balance_of(c1_client.address) == (initial_balance_c1 -
transferred_amount)
assert token_proxy.balance_of(c2_client.address) == (initial_balance_c2 +
transferred_amount)
msg = "depositing to a settled channel must fail"
with pytest.raises(BrokenPreconditionError):
c1_token_network_proxy.set_total_deposit(
given_block_identifier="latest",
channel_identifier=channel_identifier,
total_deposit=10,
partner=c2_client.address,
)
pytest.fail(msg)
def test_token_network_proxy_update_transfer(
token_network_proxy, private_keys, token_proxy, chain_id, web3, contract_manager
):
"""Tests channel lifecycle, with `update_transfer` before settling"""
token_network_address = to_canonical_address(token_network_proxy.proxy.address)
c1_client = JSONRPCClient(web3, private_keys[1])
c1_proxy_manager = ProxyManager(
rpc_client=c1_client,
contract_manager=contract_manager,
metadata=ProxyManagerMetadata(
token_network_registry_deployed_at=GENESIS_BLOCK_NUMBER,
filters_start_at=GENESIS_BLOCK_NUMBER,
),
)
c1_signer = LocalSigner(private_keys[1])
c2_client = JSONRPCClient(web3, private_keys[2])
c2_proxy_manager = ProxyManager(
rpc_client=c2_client,
contract_manager=contract_manager,
metadata=ProxyManagerMetadata(
token_network_registry_deployed_at=GENESIS_BLOCK_NUMBER,
filters_start_at=GENESIS_BLOCK_NUMBER,
),
)
c1_token_network_proxy = c1_proxy_manager.token_network(
address=token_network_address, block_identifier=BLOCK_ID_LATEST
)
c2_token_network_proxy = c2_proxy_manager.token_network(
address=token_network_address, block_identifier=BLOCK_ID_LATEST
)
# create a channel
channel_details = c1_token_network_proxy.new_netting_channel(
partner=c2_client.address, settle_timeout=10, given_block_identifier=BLOCK_ID_LATEST
)
channel_identifier = channel_details.channel_identifier
# deposit to the channel
initial_balance = 100
token_proxy.transfer(c1_client.address, initial_balance)
token_proxy.transfer(c2_client.address, initial_balance)
initial_balance_c1 = token_proxy.balance_of(c1_client.address)
assert initial_balance_c1 == initial_balance
initial_balance_c2 = token_proxy.balance_of(c2_client.address)
assert initial_balance_c2 == initial_balance
c1_token_network_proxy.approve_and_set_total_deposit(
given_block_identifier=BLOCK_ID_LATEST,
channel_identifier=channel_identifier,
total_deposit=10,
partner=c2_client.address,
)
c2_token_network_proxy.approve_and_set_total_deposit(
given_block_identifier=BLOCK_ID_LATEST,
channel_identifier=channel_identifier,
total_deposit=10,
partner=c1_client.address,
)
# balance proof signed by c1
transferred_amount_c1 = 1
transferred_amount_c2 = 3
balance_proof_c1 = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=token_network_address,
nonce=1,
chain_id=chain_id,
transferred_amount=transferred_amount_c1,
)
balance_proof_c1.signature = encode_hex(
LocalSigner(private_keys[1]).sign(data=balance_proof_c1.serialize_bin())
)
# balance proof signed by c2
balance_proof_c2 = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=token_network_address,
nonce=2,
chain_id=chain_id,
transferred_amount=transferred_amount_c2,
)
balance_proof_c2.signature = encode_hex(
LocalSigner(private_keys[2]).sign(data=balance_proof_c2.serialize_bin())
)
non_closing_data = balance_proof_c1.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF_UPDATE
) + decode_hex(balance_proof_c1.signature)
non_closing_signature = LocalSigner(c2_client.privkey).sign(data=non_closing_data)
with pytest.raises(RaidenUnrecoverableError) as exc:
c2_token_network_proxy.update_transfer(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=balance_proof_c1.balance_hash,
nonce=balance_proof_c1.nonce,
additional_hash=decode_hex(balance_proof_c1.additional_hash),
closing_signature=decode_hex(balance_proof_c1.signature),
non_closing_signature=non_closing_signature,
given_block_identifier=BLOCK_ID_LATEST,
)
assert "not in a closed state" in str(exc)
# close by c1
closing_data = balance_proof_c2.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF
) + decode_hex(balance_proof_c2.signature)
c1_token_network_proxy.close(
channel_identifier=channel_identifier,
partner=c2_client.address,
balance_hash=balance_proof_c2.balance_hash,
nonce=balance_proof_c2.nonce,
additional_hash=decode_hex(balance_proof_c2.additional_hash),
non_closing_signature=decode_hex(balance_proof_c2.signature),
closing_signature=c1_signer.sign(data=closing_data),
given_block_identifier=BLOCK_ID_LATEST,
)
# update transfer with completely invalid closing signature
with pytest.raises(RaidenUnrecoverableError) as excinfo:
c2_token_network_proxy.update_transfer(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=balance_proof_c1.balance_hash,
nonce=balance_proof_c1.nonce,
additional_hash=decode_hex(balance_proof_c1.additional_hash),
closing_signature=b"",
non_closing_signature=b"",
given_block_identifier=BLOCK_ID_LATEST,
)
assert str(excinfo.value) == "Couldn't verify the balance proof signature"
# using invalid non-closing signature
# Usual mistake when calling update Transfer - balance proof signature is missing in the data
non_closing_data = balance_proof_c1.serialize_bin(msg_type=MessageTypeId.BALANCE_PROOF_UPDATE)
non_closing_signature = LocalSigner(c2_client.privkey).sign(data=non_closing_data)
with pytest.raises(RaidenUnrecoverableError):
c2_token_network_proxy.update_transfer(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=balance_proof_c1.balance_hash,
nonce=balance_proof_c1.nonce,
additional_hash=decode_hex(balance_proof_c1.additional_hash),
closing_signature=decode_hex(balance_proof_c1.signature),
non_closing_signature=non_closing_signature,
given_block_identifier=BLOCK_ID_LATEST,
)
non_closing_data = balance_proof_c1.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF_UPDATE
) + decode_hex(balance_proof_c1.signature)
non_closing_signature = LocalSigner(c2_client.privkey).sign(data=non_closing_data)
transaction_hash = c2_token_network_proxy.update_transfer(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=balance_proof_c1.balance_hash,
nonce=balance_proof_c1.nonce,
additional_hash=decode_hex(balance_proof_c1.additional_hash),
closing_signature=decode_hex(balance_proof_c1.signature),
non_closing_signature=non_closing_signature,
given_block_identifier=BLOCK_ID_LATEST,
)
assert is_tx_hash_bytes(transaction_hash)
with pytest.raises(BrokenPreconditionError) as exc:
c1_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=transferred_amount_c1,
locked_amount=0,
locksroot=LOCKSROOT_OF_NO_LOCKS,
partner=c2_client.address,
partner_transferred_amount=transferred_amount_c2,
partner_locked_amount=0,
partner_locksroot=LOCKSROOT_OF_NO_LOCKS,
given_block_identifier=BLOCK_ID_LATEST,
)
assert "cannot be settled before settlement window is over" in str(exc)
c1_client.wait_until_block(target_block_number=c1_client.block_number() + 10)
# settling with an invalid amount
with pytest.raises(BrokenPreconditionError):
c1_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=2,
locked_amount=0,
locksroot=LOCKSROOT_OF_NO_LOCKS,
partner=c2_client.address,
partner_transferred_amount=2,
partner_locked_amount=0,
partner_locksroot=LOCKSROOT_OF_NO_LOCKS,
given_block_identifier=BLOCK_ID_LATEST,
)
# proper settle
transaction_hash = c1_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=transferred_amount_c1,
locked_amount=0,
locksroot=LOCKSROOT_OF_NO_LOCKS,
partner=c2_client.address,
partner_transferred_amount=transferred_amount_c2,
partner_locked_amount=0,
partner_locksroot=LOCKSROOT_OF_NO_LOCKS,
given_block_identifier=BLOCK_ID_LATEST,
)
assert is_tx_hash_bytes(transaction_hash)
assert token_proxy.balance_of(c2_client.address) == (
initial_balance_c2 + transferred_amount_c1 - transferred_amount_c2
)
assert token_proxy.balance_of(c1_client.address) == (
initial_balance_c1 + transferred_amount_c2 - transferred_amount_c1
)
# Already settled
with pytest.raises(BrokenPreconditionError) as exc:
c2_token_network_proxy.approve_and_set_total_deposit(
given_block_identifier=BLOCK_ID_LATEST,
channel_identifier=channel_identifier,
total_deposit=20,
partner=c1_client.address,
)
assert "getChannelIdentifier returned 0" in str(exc)
def test_node_can_settle_if_close_didnt_use_any_balance_proof(
raiden_network, number_of_nodes, token_addresses, network_wait):
""" A node must be able to settle a channel, even if the partner used an
old balance proof to close it.
This test will:
- Make a transfer from app0 to app1, to make sure there are balance
proofs available
- Call close manually in behalf of app1, without any balance proof data
- Assert that app0 can settle the closed channel, even though app1 didn't
use the latest balance proof
"""
app0, app1 = raiden_network
token_address = token_addresses[0]
chain_state = views.state_from_app(app0)
token_network_registry_address = app0.raiden.default_registry.address
registry_address = app0.raiden.default_registry.address
token_network_address = views.get_token_network_address_by_token_address(
chain_state=chain_state,
token_network_registry_address=token_network_registry_address,
token_address=token_address,
)
channel_identifier = get_channelstate(app0, app1,
token_network_address).identifier
# make a transfer from app0 to app1 so that app1 is supposed to have a non
# empty balance hash
transfer(
initiator_app=app0,
target_app=app1,
token_address=token_address,
amount=1,
identifier=1,
timeout=network_wait * number_of_nodes,
)
# stop app1 - the test uses token_network_contract now
app1.stop()
token_network_contract = app1.raiden.proxy_manager.token_network(
token_network_address)
empty_balance_proof = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=to_checksum_address(
token_network_contract.address),
balance_hash=encode_hex(EMPTY_BALANCE_HASH),
nonce=0,
chain_id=chain_state.chain_id,
transferred_amount=0,
)
closing_data = (empty_balance_proof.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF) + EMPTY_SIGNATURE)
closing_signature = app1.raiden.signer.sign(data=closing_data)
# app1 closes the channel with an empty hash instead of the expected hash
# of the transferred amount from app0
token_network_contract.close(
channel_identifier=channel_identifier,
partner=app0.raiden.address,
balance_hash=EMPTY_HASH,
nonce=0,
additional_hash=EMPTY_HASH,
non_closing_signature=EMPTY_SIGNATURE,
closing_signature=closing_signature,
given_block_identifier="latest",
)
waiting.wait_for_settle(
raiden=app0.raiden,
token_network_registry_address=registry_address,
token_address=token_address,
channel_ids=[channel_identifier],
retry_timeout=app0.raiden.alarm.sleep_time,
)
state_changes = app0.raiden.wal.storage.get_statechanges_by_range(
RANGE_ALL_STATE_CHANGES)
assert search_for_item(
state_changes,
ContractReceiveChannelSettled,
{
"token_network_address": token_network_address,
"channel_identifier": channel_identifier
},
)
def test_payment_channel_proxy_basics(token_network_proxy, token_proxy,
chain_id, private_keys, web3,
contract_manager):
token_network_address = token_network_proxy.address
partner = privatekey_to_address(private_keys[0])
client = JSONRPCClient(web3, private_keys[1])
proxy_manager = ProxyManager(
rpc_client=client,
contract_manager=contract_manager,
metadata=ProxyManagerMetadata(
token_network_registry_deployed_at=GENESIS_BLOCK_NUMBER,
filters_start_at=GENESIS_BLOCK_NUMBER,
),
)
token_network_proxy = proxy_manager.token_network(
address=token_network_address)
start_block = web3.eth.blockNumber
channel_identifier = token_network_proxy.new_netting_channel(
partner=partner,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier="latest")
assert channel_identifier is not None
channel_proxy_1 = proxy_manager.payment_channel(
canonical_identifier=CanonicalIdentifier(
chain_identifier=chain_id,
token_network_address=token_network_address,
channel_identifier=channel_identifier,
))
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("latest") is True
# Test deposit
initial_token_balance = 100
token_proxy.transfer(client.address, initial_token_balance)
assert token_proxy.balance_of(client.address) == initial_token_balance
assert token_proxy.balance_of(partner) == 0
channel_proxy_1.set_total_deposit(total_deposit=10,
block_identifier="latest")
assert len(channel_filter.get_all_entries()
) == 2 # ChannelOpened, ChannelNewDeposit
block_before_close = web3.eth.blockNumber
empty_balance_proof = BalanceProof(
channel_identifier=channel_proxy_1.channel_identifier,
token_network_address=token_network_address,
balance_hash=encode_hex(EMPTY_BALANCE_HASH),
nonce=0,
chain_id=chain_id,
transferred_amount=0,
)
closing_data = (empty_balance_proof.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF) + EMPTY_SIGNATURE)
channel_proxy_1.close(
nonce=0,
balance_hash=EMPTY_HASH,
additional_hash=EMPTY_HASH,
non_closing_signature=EMPTY_SIGNATURE,
closing_signature=LocalSigner(private_keys[1]).sign(data=closing_data),
block_identifier="latest",
)
assert channel_proxy_1.closed("latest") is True
# ChannelOpened, ChannelNewDeposit, ChannelClosed
assert len(channel_filter.get_all_entries()) == 3
# check the settlement timeouts again
assert channel_proxy_1.settle_timeout() == TEST_SETTLE_TIMEOUT_MIN
# update transfer -- we need to wait on +1 since we use the latest block on parity for
# estimate gas and at the time the latest block is the settle timeout block.
# More info: https://github.com/raiden-network/raiden/pull/3699#discussion_r270477227
proxy_manager.wait_until_block(target_block_number=client.block_number() +
TEST_SETTLE_TIMEOUT_MIN + 1)
channel_proxy_1.settle(
transferred_amount=0,
locked_amount=0,
locksroot=LOCKSROOT_OF_NO_LOCKS,
partner_transferred_amount=0,
partner_locked_amount=0,
partner_locksroot=LOCKSROOT_OF_NO_LOCKS,
block_identifier="latest",
)
assert channel_proxy_1.settled("latest") is True
# ChannelOpened, ChannelNewDeposit, ChannelClosed, ChannelSettled
assert len(channel_filter.get_all_entries()) == 4
new_channel_identifier = token_network_proxy.new_netting_channel(
partner=partner,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier="latest")
assert new_channel_identifier is not None
channel_proxy_2 = proxy_manager.payment_channel(
canonical_identifier=CanonicalIdentifier(
chain_identifier=chain_id,
token_network_address=token_network_address,
channel_identifier=new_channel_identifier,
))
assert channel_proxy_2.channel_identifier == new_channel_identifier
assert channel_proxy_2.opened("latest") is True
msg = "The channel was already closed, the second call must fail"
with pytest.raises(RaidenRecoverableError):
channel_proxy_1.close(
nonce=0,
balance_hash=EMPTY_HASH,
additional_hash=EMPTY_HASH,
non_closing_signature=EMPTY_SIGNATURE,
closing_signature=LocalSigner(
private_keys[1]).sign(data=closing_data),
block_identifier=block_before_close,
)
pytest.fail(msg)
msg = "The channel is not open at latest, this must raise"
with pytest.raises(RaidenUnrecoverableError):
channel_proxy_1.close(
nonce=0,
balance_hash=EMPTY_HASH,
additional_hash=EMPTY_HASH,
non_closing_signature=EMPTY_SIGNATURE,
closing_signature=LocalSigner(
private_keys[1]).sign(data=closing_data),
block_identifier="latest",
)
pytest.fail(msg)
msg = ("The channel was not opened at the provided block (latest). "
"This call should never have been attempted.")
with pytest.raises(BrokenPreconditionError):
channel_proxy_1.set_total_deposit(total_deposit=20,
block_identifier="latest")
pytest.fail(msg)
def test_token_network_proxy_basics(
token_network_proxy,
private_keys,
token_proxy,
chain_id,
web3,
contract_manager,
):
# check settlement timeouts
assert token_network_proxy.settlement_timeout_min(
) == TEST_SETTLE_TIMEOUT_MIN
assert token_network_proxy.settlement_timeout_max(
) == TEST_SETTLE_TIMEOUT_MAX
token_network_address = to_canonical_address(
token_network_proxy.proxy.contract.address)
c1_client = JSONRPCClient(web3, private_keys[1])
c1_chain = BlockChainService(
jsonrpc_client=c1_client,
contract_manager=contract_manager,
)
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,
)
initial_token_balance = 100
token_proxy.transfer(c1_client.address, initial_token_balance)
token_proxy.transfer(c2_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 == initial_token_balance
# instantiating a new channel - test basic assumptions
assert c1_token_network_proxy._channel_exists_and_not_settled(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier='latest',
) is False
channel_identifier = c1_token_network_proxy._call_and_check_result(
'latest',
'getChannelIdentifier',
to_checksum_address(c1_client.address),
to_checksum_address(c2_client.address),
)
assert c1_token_network_proxy.channel_is_opened(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier='latest',
channel_identifier=channel_identifier,
) is False
assert c1_token_network_proxy.channel_is_closed(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier='latest',
channel_identifier=channel_identifier,
) is False
# test timeout limits
with pytest.raises(InvalidSettleTimeout):
c1_token_network_proxy.new_netting_channel(
partner=c2_client.address,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN - 1,
given_block_identifier='latest',
)
with pytest.raises(InvalidSettleTimeout):
c1_token_network_proxy.new_netting_channel(
partner=c2_client.address,
settle_timeout=TEST_SETTLE_TIMEOUT_MAX + 1,
given_block_identifier='latest',
)
# channel to self
with pytest.raises(SamePeerAddress):
c1_token_network_proxy.new_netting_channel(
partner=c1_client.address,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier='latest',
)
# Channel is not open yet
with pytest.raises(RaidenUnrecoverableError) as exc:
c1_token_network_proxy.set_total_deposit(
given_block_identifier='latest',
channel_identifier=1,
total_deposit=1,
partner=c2_client.address,
)
assert 'does not exist' in str(exc)
# Channel is not open yet
with pytest.raises(RaidenUnrecoverableError) as exc:
c1_token_network_proxy.close(
channel_identifier=1,
partner=c2_client.address,
balance_hash=EMPTY_HASH,
nonce=0,
additional_hash=EMPTY_HASH,
signature=EMPTY_HASH,
given_block_identifier='latest',
)
assert 'does not exist' in str(exc)
# actually create a channel
channel_identifier = c1_token_network_proxy.new_netting_channel(
partner=c2_client.address,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier='latest',
)
assert channel_identifier is not None
# multiple channels with the same peer are not allowed
with pytest.raises(DuplicatedChannelError):
c1_token_network_proxy.new_netting_channel(
partner=c2_client.address,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier='latest',
)
assert c1_token_network_proxy._channel_exists_and_not_settled(
participant1=c1_client.address,
participant2=c2_client.address,
channel_identifier=channel_identifier,
block_identifier='latest',
) is True
assert c1_token_network_proxy.channel_is_opened(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier='latest',
channel_identifier=channel_identifier,
) is True
# channel is open.
# deposit with no balance
with pytest.raises(DepositMismatch):
c1_token_network_proxy.set_total_deposit(
given_block_identifier='latest',
channel_identifier=channel_identifier,
total_deposit=101,
partner=c2_client.address,
)
# no negative deposit
with pytest.raises(DepositMismatch):
c1_token_network_proxy.set_total_deposit(
given_block_identifier='latest',
channel_identifier=channel_identifier,
total_deposit=-1,
partner=c2_client.address,
)
# actual deposit
c1_token_network_proxy.set_total_deposit(
given_block_identifier='latest',
channel_identifier=channel_identifier,
total_deposit=10,
partner=c2_client.address,
)
# 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(), ), )
# close with invalid signature
with pytest.raises(RaidenUnrecoverableError):
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=b'\x11' * 65,
given_block_identifier='latest',
)
# 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),
given_block_identifier='latest',
)
assert c1_token_network_proxy.channel_is_closed(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier='latest',
channel_identifier=channel_identifier,
) is True
assert c1_token_network_proxy._channel_exists_and_not_settled(
participant1=c1_client.address,
participant2=c2_client.address,
channel_identifier=channel_identifier,
block_identifier='latest',
) is True
# closing already closed channel
with pytest.raises(RaidenRecoverableError):
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),
given_block_identifier='latest',
)
with pytest.raises(RaidenRecoverableError) as exc:
c2_token_network_proxy.set_total_deposit(
given_block_identifier='latest',
channel_identifier=channel_identifier,
total_deposit=20,
partner=c1_client.address,
)
assert 'not in an open state' in str(exc)
with pytest.raises(RaidenRecoverableError) as exc:
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),
given_block_identifier='latest',
)
assert 'not in an open state' in str(exc)
# update transfer
c1_chain.wait_until_block(target_block_number=c1_chain.block_number() +
TEST_SETTLE_TIMEOUT_MIN, )
# try to settle using incorrect data
with pytest.raises(RaidenUnrecoverableError):
c2_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=1,
locked_amount=0,
locksroot=EMPTY_HASH,
partner=c1_client.address,
partner_transferred_amount=transferred_amount,
partner_locked_amount=0,
partner_locksroot=EMPTY_HASH,
given_block_identifier='latest',
)
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,
given_block_identifier='latest',
)
assert c1_token_network_proxy._channel_exists_and_not_settled(
participant1=c1_client.address,
participant2=c2_client.address,
channel_identifier=channel_identifier,
block_identifier='latest',
) is False
assert token_proxy.balance_of(c1_client.address) == (initial_balance_c1 -
transferred_amount)
assert token_proxy.balance_of(c2_client.address) == (initial_balance_c2 +
transferred_amount)
with pytest.raises(RaidenUnrecoverableError) as exc:
c1_token_network_proxy.set_total_deposit(
given_block_identifier='latest',
channel_identifier=channel_identifier,
total_deposit=10,
partner=c2_client.address,
)
# No channel exists
assert 'getChannelIdentifier returned 0' in str(exc)
def test_token_network_actions_at_pruned_blocks(
token_network_proxy,
private_keys,
token_proxy,
web3,
chain_id,
contract_manager,
):
token_network_address = to_canonical_address(
token_network_proxy.proxy.contract.address)
c1_client = JSONRPCClient(web3, private_keys[1])
c1_token_network_proxy = TokenNetwork(
jsonrpc_client=c1_client,
token_network_address=token_network_address,
contract_manager=contract_manager,
)
c1_chain = BlockChainService(
jsonrpc_client=c1_client,
contract_manager=contract_manager,
)
c2_client = JSONRPCClient(web3, private_keys[2])
c3_client = JSONRPCClient(web3, private_keys[0])
c2_token_network_proxy = TokenNetwork(
jsonrpc_client=c2_client,
token_network_address=token_network_address,
contract_manager=contract_manager,
)
initial_token_balance = 100
token_proxy.transfer(c1_client.address, initial_token_balance)
token_proxy.transfer(c2_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 == initial_token_balance
# create a channel
settle_timeout = 6
channel_identifier = c1_token_network_proxy.new_netting_channel(
partner=c2_client.address,
settle_timeout=settle_timeout,
given_block_identifier='latest',
)
# Now wait until this block becomes pruned
pruned_number = c1_chain.block_number()
c1_chain.wait_until_block(target_block_number=pruned_number +
STATE_PRUNING_AFTER_BLOCKS)
# create a channel with given block being pruned, should always throw
with pytest.raises(NoStateForBlockIdentifier):
channel_identifier = c1_token_network_proxy.new_netting_channel(
partner=c3_client.address,
settle_timeout=10,
given_block_identifier=pruned_number,
)
# deposit with given block being pruned
c1_token_network_proxy.set_total_deposit(
given_block_identifier=pruned_number,
channel_identifier=channel_identifier,
total_deposit=2,
partner=c2_client.address,
)
# balance proof signed by c1
transferred_amount_c1 = 1
balance_proof_c1 = BalanceProof(
channel_identifier=channel_identifier,
token_network_address=to_checksum_address(token_network_address),
nonce=1,
chain_id=chain_id,
transferred_amount=transferred_amount_c1,
)
balance_proof_c1.signature = encode_hex(
LocalSigner(private_keys[1]).sign(
data=balance_proof_c1.serialize_bin(), ), )
non_closing_data = balance_proof_c1.serialize_bin(
msg_type=MessageTypeId.BALANCE_PROOF_UPDATE, ) + decode_hex(
balance_proof_c1.signature)
non_closing_signature = LocalSigner(c2_client.privkey).sign(
data=non_closing_data, )
# close channel with given block being pruned
c1_token_network_proxy.close(
channel_identifier=channel_identifier,
partner=c2_client.address,
balance_hash=EMPTY_HASH,
nonce=0,
additional_hash=EMPTY_HASH,
signature=EMPTY_HASH,
given_block_identifier=pruned_number,
)
assert c1_token_network_proxy.channel_is_closed(
participant1=c1_client.address,
participant2=c2_client.address,
block_identifier='latest',
channel_identifier=channel_identifier,
) is True
assert c1_token_network_proxy._channel_exists_and_not_settled(
participant1=c1_client.address,
participant2=c2_client.address,
channel_identifier=channel_identifier,
block_identifier='latest',
) is True
# update transfer with given block being pruned
c2_token_network_proxy.update_transfer(
channel_identifier=channel_identifier,
partner=c1_client.address,
balance_hash=decode_hex(balance_proof_c1.balance_hash),
nonce=balance_proof_c1.nonce,
additional_hash=decode_hex(balance_proof_c1.additional_hash),
closing_signature=decode_hex(balance_proof_c1.signature),
non_closing_signature=non_closing_signature,
given_block_identifier=pruned_number,
)
# update transfer
c1_chain.wait_until_block(target_block_number=c1_chain.block_number() +
settle_timeout, )
# settle with given block being pruned
c1_token_network_proxy.settle(
channel_identifier=channel_identifier,
transferred_amount=transferred_amount_c1,
locked_amount=0,
locksroot=EMPTY_HASH,
partner=c2_client.address,
partner_transferred_amount=0,
partner_locked_amount=0,
partner_locksroot=EMPTY_HASH,
given_block_identifier=pruned_number,
)
assert (token_proxy.balance_of(
c2_client.address) == (initial_balance_c2 + transferred_amount_c1 - 0))
assert (token_proxy.balance_of(
c1_client.address) == (initial_balance_c1 + 0 - transferred_amount_c1))
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(
jsonrpc_client=client,
contract_manager=contract_manager,
)
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=partner,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier='latest',
)
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('latest') 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),
given_block_identifier='latest',
)
assert channel_proxy_1.closed('latest') 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 -- we need to wait on +1 since we use the latest block on parity for
# estimate gas and at the time the latest block is the settle timeout block.
# More info: https://github.com/raiden-network/raiden/pull/3699#discussion_r270477227
chain.wait_until_block(target_block_number=client.block_number() +
TEST_SETTLE_TIMEOUT_MIN + 1)
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,
given_block_identifier='latest',
)
assert channel_proxy_1.settled('latest') 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=partner,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier='latest',
)
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('latest') 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),
given_block_identifier='latest',
)
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(
jsonrpc_client=c1_client,
contract_manager=contract_manager,
)
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(
partner=c2_client.address,
settle_timeout=TEST_SETTLE_TIMEOUT_MIN,
given_block_identifier='latest',
)
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('latest') is True
assert channel_proxy_2.opened('latest') 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(total_deposit=10,
block_identifier='latest')
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),
given_block_identifier='latest',
)
assert channel_proxy_1.closed('latest') is True
assert channel_proxy_2.closed('latest') 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 -- we need to wait on +1 since we use the latest block on parity for
# estimate gas and at the time the latest block is the settle timeout block.
# More info: https://github.com/raiden-network/raiden/pull/3699#discussion_r270477227
c1_chain.wait_until_block(target_block_number=c1_client.block_number() +
TEST_SETTLE_TIMEOUT_MIN + 1, )
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,
given_block_identifier='latest',
)
assert channel_proxy_1.settled('latest') is True
assert channel_proxy_2.settled('latest') is True
events = channel_filter.get_all_entries()
assert len(
events
) == 4 # ChannelOpened, ChannelNewDeposit, ChannelClosed, ChannelSettled