def handle_contract_send_channelupdate( raiden: RaidenService, channel_update_event: ContractSendChannelUpdateTransfer, ): balance_proof = channel_update_event.balance_proof if balance_proof: channel = raiden.chain.payment_channel( token_network_address=channel_update_event. token_network_identifier, channel_id=channel_update_event.channel_identifier, ) non_closing_data = pack_balance_proof_update( nonce=balance_proof.nonce, balance_hash=balance_proof.balance_hash, additional_hash=balance_proof.message_hash, channel_identifier=balance_proof.channel_identifier, token_network_identifier=balance_proof.token_network_identifier, chain_id=balance_proof.chain_id, partner_signature=balance_proof.signature, ) our_signature = eth_sign(privkey=raiden.privkey, data=non_closing_data) try: channel.update_transfer( balance_proof.nonce, balance_proof.balance_hash, balance_proof.message_hash, balance_proof.signature, our_signature, ) except ChannelOutdatedError as e: log.error(str(e))
def f(): balance_proof = get_random_bp() privkey = get_random_privkey() privkey_non_closing = get_random_privkey() balance_proof.signature = encode_hex( eth_sign(privkey, balance_proof.serialize_bin())) non_closing_signature = encode_hex( eth_sign(privkey_non_closing, balance_proof.serialize_bin()), ) monitor_request = MonitorRequest( balance_proof, non_closing_signature, reward_amount=random.randint(0, UINT192_MAX), monitor_address=get_random_address(), ) monitor_request.reward_proof_signature = encode_hex( eth_sign(privkey, monitor_request.serialize_reward_proof()), ) return monitor_request
def f( user=None, reward_amount=0, bad_key_for_bp=False, bad_key_for_non_closing=False, ): if user == 0: privkey = keys[0] privkey_non_closing = keys[1] else: privkey = keys[1] privkey_non_closing = keys[0] balance_proof = BalanceProof( channel_id, token_network_address, balance_hash=encode_hex(sha3(balance_hash_data.encode())), ) balance_proof.signature = encode_hex( eth_sign( privkey if not bad_key_for_bp else keys[2], balance_proof.serialize_bin(), )) non_closing_signature = encode_hex( eth_sign( privkey_non_closing if not bad_key_for_non_closing else keys[2], balance_proof.serialize_bin( msg_type=MessageTypeId.BALANCE_PROOF_UPDATE) + decode_hex(balance_proof.signature), )) monitor_request = MonitorRequest( balance_proof, non_closing_signature, reward_amount=reward_amount, monitor_address=get_random_address(), ) monitor_request.reward_proof_signature = encode_hex( eth_sign(privkey, monitor_request.serialize_reward_proof()), ) return monitor_request
def make_signed_balance_proof( nonce: typing.Nonce = EMPTY, transferred_amount: typing.TokenAmount = EMPTY, locked_amount: typing.TokenAmount = EMPTY, token_network_address: typing.TokenNetworkID = EMPTY, channel_identifier: typing.ChannelID = EMPTY, locksroot: typing.Locksroot = EMPTY, extra_hash: typing.Keccak256 = EMPTY, private_key: PrivateKey = EMPTY, sender_address: typing.Address = EMPTY, ) -> BalanceProofSignedState: nonce = if_empty(nonce, make_uint256()) transferred_amount = if_empty(transferred_amount, make_uint256()) locked_amount = if_empty(locked_amount, make_uint256()) token_network_address = if_empty(token_network_address, make_address()) channel_identifier = if_empty(channel_identifier, make_uint256()) locksroot = if_empty(locksroot, make_32bytes()) extra_hash = if_empty(extra_hash, make_keccak_hash()) private_key = if_empty(private_key, make_privatekey()) sender_address = if_empty(sender_address, make_address()) balance_hash = hash_balance_data( transferred_amount=transferred_amount, locked_amount=locked_amount, locksroot=locksroot, ) data_to_sign = balance_proof.pack_balance_proof( nonce=nonce, balance_hash=balance_hash, additional_hash=extra_hash, channel_identifier=channel_identifier, token_network_identifier=token_network_address, chain_id=UNIT_CHAIN_ID, ) signature = eth_sign(privkey=private_key, data=data_to_sign) return BalanceProofSignedState( nonce=nonce, transferred_amount=transferred_amount, locked_amount=locked_amount, locksroot=locksroot, token_network_identifier=token_network_address, channel_identifier=channel_identifier, message_hash=extra_hash, signature=signature, sender=sender_address, chain_id=UNIT_CHAIN_ID, )
def make_signed_balance_proof( nonce, transferred_amount, locked_amount, token_network_address, channel_identifier, locksroot, extra_hash, private_key, sender_address, ): balance_hash = hash_balance_data( transferred_amount, locked_amount, locksroot, ) data_to_sign = balance_proof.pack_balance_proof( nonce=nonce, balance_hash=balance_hash, additional_hash=extra_hash, channel_identifier=channel_identifier, token_network_identifier=token_network_address, chain_id=UNIT_CHAIN_ID, ) signature = eth_sign(privkey=private_key, data=data_to_sign) signed_balance_proof = BalanceProofSignedState( nonce, transferred_amount, locked_amount, locksroot, token_network_address, channel_identifier, extra_hash, signature, sender_address, UNIT_CHAIN_ID, ) return signed_balance_proof
def find_max_pending_transfers(gas_limit): """Measure gas consumption of TokenNetwork.unlock() depending on number of pending transfers and find the maximum number of pending transfers so gas_limit is not exceeded.""" tester = ContractTester(generate_keys=2) tester.deploy_contract('SecretRegistry') tester.deploy_contract( 'HumanStandardToken', _initialAmount=100000, _decimalUnits=3, _tokenName='SomeToken', _tokenSymbol='SMT', ) tester.deploy_contract( 'TokenNetwork', _token_address=tester.contract_address('HumanStandardToken'), _secret_registry=tester.contract_address('SecretRegistry'), _chain_id=1, _settlement_timeout_min=100, _settlement_timeout_max=200, ) tester.call_transaction( 'HumanStandardToken', 'transfer', _to=tester.accounts[1], _value=10000, ) receipt = tester.call_transaction( 'TokenNetwork', 'openChannel', participant1=tester.accounts[0], participant2=tester.accounts[1], settle_timeout=150, ) channel_identifier = int(hexlify(receipt['logs'][0]['topics'][1]), 16) tester.call_transaction( 'HumanStandardToken', 'approve', sender=tester.accounts[0], _spender=tester.contract_address('TokenNetwork'), _value=10000, ) tester.call_transaction( 'HumanStandardToken', 'approve', sender=tester.accounts[1], _spender=tester.contract_address('TokenNetwork'), _value=5000, ) tester.call_transaction( 'TokenNetwork', 'setTotalDeposit', channel_identifier=channel_identifier, participant=tester.accounts[0], total_deposit=5000, partner=tester.accounts[1], ) tester.call_transaction( 'TokenNetwork', 'setTotalDeposit', channel_identifier=channel_identifier, participant=tester.accounts[1], total_deposit=2000, partner=tester.accounts[0], ) print( "Measuring unlock()'s gas cost for different Merkle tree widths, can take a while..." ) before_closing = tester.tester.take_snapshot() enough = 0 too_much = 1024 nonce = 10 additional_hash = urandom(32) token_network_identifier = tester.contract_address('TokenNetwork') while enough + 1 < too_much: tree_size = (enough + too_much) // 2 tester.tester.revert_to_snapshot(before_closing) pending_transfers_tree = get_pending_transfers_tree( tester.web3, unlockable_amounts=[1] * tree_size, ) balance_hash = hash_balance_data(3000, 2000, pending_transfers_tree.merkle_root) data_to_sign = pack_balance_proof( nonce=nonce, balance_hash=balance_hash, additional_hash=additional_hash, channel_identifier=channel_identifier, token_network_identifier=token_network_identifier, chain_id=1, ) signature = eth_sign(privkey=tester.private_keys[1], data=data_to_sign) tester.call_transaction( 'TokenNetwork', 'closeChannel', channel_identifier=channel_identifier, partner=tester.accounts[1], balance_hash=balance_hash, nonce=nonce, additional_hash=additional_hash, signature=signature, ) tester.tester.mine_blocks(160) # close settlement window tester.call_transaction( 'TokenNetwork', 'settleChannel', channel_identifier=channel_identifier, participant1=tester.accounts[0], participant1_transferred_amount=0, participant1_locked_amount=0, participant1_locksroot=b'\x00' * 32, participant2=tester.accounts[1], participant2_transferred_amount=3000, participant2_locked_amount=2000, participant2_locksroot=pending_transfers_tree.merkle_root, ) receipt = tester.call_transaction( 'TokenNetwork', 'unlock', channel_identifier=channel_identifier, participant=tester.accounts[0], partner=tester.accounts[1], merkle_tree_leaves=pending_transfers_tree.packed_transfers, ) gas_used = receipt['gasUsed'] if gas_used <= gas_limit: enough = tree_size print( f'{tree_size} pending transfers work ({gas_used} gas needed to unlock)' ) else: too_much = tree_size print( f'{tree_size} pending transfers are too much ({gas_used} gas needed to unlock)' )
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]) c2_client = JSONRPCClient(web3, private_keys[2]) c1_token_network_proxy = TokenNetwork( jsonrpc_client=c1_client, manager_address=token_network_address, contract_manager=contract_manager, ) c2_token_network_proxy = TokenNetwork( jsonrpc_client=c2_client, manager_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( c1_client.address, c2_client.address, ) is False assert c1_token_network_proxy.channel_is_opened(c1_client.address, c2_client.address) is False assert c1_token_network_proxy.channel_is_closed(c1_client.address, c2_client.address) is False # test timeout limits with pytest.raises(InvalidSettleTimeout): c1_token_network_proxy.new_netting_channel( c2_client.address, TEST_SETTLE_TIMEOUT_MIN - 1, ) with pytest.raises(InvalidSettleTimeout): c1_token_network_proxy.new_netting_channel( c2_client.address, TEST_SETTLE_TIMEOUT_MAX + 1, ) # channel to self with pytest.raises(SamePeerAddress): c1_token_network_proxy.new_netting_channel( c1_client.address, TEST_SETTLE_TIMEOUT_MIN, ) # Channel is not open yet with pytest.raises(RaidenUnrecoverableError) as exc: c1_token_network_proxy.set_total_deposit( 1, 1, 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( 1, c2_client.address, EMPTY_HASH, 0, EMPTY_HASH, EMPTY_HASH, ) assert 'does not exist' in str(exc) # actually 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 # multiple channels with the same peer are not allowed with pytest.raises(DuplicatedChannelError): c1_token_network_proxy.new_netting_channel( c2_client.address, TEST_SETTLE_TIMEOUT_MIN, ) assert c1_token_network_proxy.channel_exists_and_not_settled( participant1=c1_client.address, participant2=c2_client.address, channel_identifier=channel_identifier, ) is True assert c1_token_network_proxy.channel_is_opened( participant1=c1_client.address, participant2=c2_client.address, channel_identifier=channel_identifier, ) is True # channel is open. # deposit with no balance with pytest.raises(DepositMismatch): c1_token_network_proxy.set_total_deposit( channel_identifier, 101, c2_client.address, ) # no negative deposit with pytest.raises(DepositMismatch): c1_token_network_proxy.set_total_deposit( channel_identifier, -1, c2_client.address, ) # actual deposit c1_token_network_proxy.set_total_deposit( channel_identifier, 10, 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( eth_sign( privkey=encode_hex(private_keys[1]), data=balance_proof.serialize_bin(), )) # close with invalid signature with pytest.raises(TransactionThrew): 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, ) # 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 c1_token_network_proxy.channel_is_closed( participant1=c1_client.address, participant2=c2_client.address, 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, ) 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), ) with pytest.raises(RaidenRecoverableError) as exc: c2_token_network_proxy.set_total_deposit( channel_identifier, 20, 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), ) assert 'not in an open state' in str(exc) # update transfer wait_blocks(c1_client.web3, 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, ) 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 c1_token_network_proxy.channel_exists_and_not_settled( participant1=c1_client.address, participant2=c2_client.address, channel_identifier=channel_identifier, ) 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( channel_identifier, 10, c2_client.address, ) # No channel exists assert 'getChannelIdentifier returned 0' in str(exc)
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]) c2_client = JSONRPCClient(web3, private_keys[2]) c1_token_network_proxy = TokenNetwork( jsonrpc_client=c1_client, manager_address=token_network_address, contract_manager=contract_manager, ) c2_token_network_proxy = TokenNetwork( jsonrpc_client=c2_client, manager_address=token_network_address, contract_manager=contract_manager, ) # create a channel channel_identifier = c1_token_network_proxy.new_netting_channel( c2_client.address, 10, ) # 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( channel_identifier, 10, c2_client.address, ) c2_token_network_proxy.set_total_deposit( channel_identifier, 10, 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( eth_sign( privkey=encode_hex(private_keys[1]), 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( eth_sign( privkey=encode_hex(private_keys[2]), 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 = eth_sign( privkey=encode_hex(c2_client.privkey), data=non_closing_data, ) with pytest.raises(RaidenUnrecoverableError) as exc: c2_token_network_proxy.update_transfer( channel_identifier, c1_client.address, decode_hex(balance_proof_c1.balance_hash), balance_proof_c1.nonce, decode_hex(balance_proof_c1.additional_hash), decode_hex(balance_proof_c1.signature), non_closing_signature, ) 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), ) # 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 = eth_sign( privkey=encode_hex(c2_client.privkey), data=non_closing_data, ) with pytest.raises(TransactionThrew): c2_token_network_proxy.update_transfer( channel_identifier, c1_client.address, decode_hex(balance_proof_c1.balance_hash), balance_proof_c1.nonce, decode_hex(balance_proof_c1.additional_hash), decode_hex(balance_proof_c1.signature), non_closing_signature, ) non_closing_data = balance_proof_c1.serialize_bin( msg_type=MessageTypeId.BALANCE_PROOF_UPDATE, ) + decode_hex( balance_proof_c1.signature) non_closing_signature = eth_sign( privkey=encode_hex(c2_client.privkey), data=non_closing_data, ) c2_token_network_proxy.update_transfer( channel_identifier, c1_client.address, decode_hex(balance_proof_c1.balance_hash), balance_proof_c1.nonce, decode_hex(balance_proof_c1.additional_hash), decode_hex(balance_proof_c1.signature), non_closing_signature, ) 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, ) assert 'cannot be settled before settlement window is over' in str(exc) wait_blocks(c1_client.web3, 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, ) # 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, ) 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( channel_identifier, 20, c1_client.address, ) assert 'getChannelIdentifier returned 0' in str(exc)
def _sign(self, data: bytes) -> bytes: """ Use eth_sign compatible hasher to sign matrix data """ return eth_sign( privkey=self._raiden_service.private_key, data=data, )
def test_payment_channel_proxy_basics( token_network_proxy, private_keys, token_proxy, chain_id, web3, ): token_network_address = to_canonical_address( token_network_proxy.proxy.contract.address) c1_client = JSONRPCClient(web3, private_keys[1]) c2_client = JSONRPCClient(web3, private_keys[2]) 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 = 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=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.sender, 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_blocks(c1_client.web3, 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.sender, 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, ): 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]) 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=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_blocks(client.web3, 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_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=channel_identifier, partner=partner, balance_hash=bytes(32), nonce=balance_proof.nonce, additional_hash=bytes(32), signature=decode_hex(balance_proof.signature), )