Ejemplo n.º 1
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def test_get_networks(chain_state, token_network_address):
    orig_chain_state = deepcopy(chain_state)
    token_address = factories.make_address()
    token_network_registry_empty = TokenNetworkRegistryState(
        address=factories.make_address(), token_network_list=[])
    chain_state.identifiers_to_tokennetworkregistries[
        token_network_registry_empty.address] = token_network_registry_empty
    assert get_networks(
        chain_state=chain_state,
        token_network_registry_address=token_network_registry_empty.address,
        token_address=token_address,
    ) == (token_network_registry_empty, None)

    chain_state = orig_chain_state
    token_network = TokenNetworkState(
        address=token_network_address,
        token_address=token_address,
        network_graph=TokenNetworkGraphState(
            token_network_address=token_network_address),
    )
    token_network_registry = TokenNetworkRegistryState(
        address=factories.make_address(), token_network_list=[token_network])
    assert get_networks(
        chain_state=chain_state,
        token_network_registry_address=token_network_registry.address,
        token_address=token_address,
    ) == (None, None)
    chain_state.identifiers_to_tokennetworkregistries[
        token_network_registry.address] = token_network_registry
    assert get_networks(
        chain_state=chain_state,
        token_network_registry_address=token_network_registry.address,
        token_address=token_address,
    ) == (token_network_registry, token_network)
Ejemplo n.º 2
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def get_token_network_state_from_proxies(raiden, manager_proxy,
                                         netting_channel_proxies):
    manager_address = manager_proxy.address
    token_address = manager_proxy.token_address()

    edge_list = manager_proxy.channels_addresses()
    graph = make_graph(edge_list)
    network_graph = TokenNetworkGraphState(graph)

    partner_channels = list()
    for channel_proxy in netting_channel_proxies:
        channel_state = get_channel_state(
            token_address,
            raiden.config['reveal_timeout'],
            channel_proxy,
        )
        partner_channels.append(channel_state)

    network = TokenNetworkState(
        manager_address,
        token_address,
        network_graph,
        partner_channels,
    )

    return network
Ejemplo n.º 3
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def test_handle_new_token_network(chain_state, token_network_address):
    token_address = factories.make_address()
    token_network = TokenNetworkState(
        address=token_network_address,
        token_address=token_address,
        network_graph=TokenNetworkGraphState(token_network_address=token_network_address),
    )
    token_network_registry_address = factories.make_address()
    state_change = ContractReceiveNewTokenNetwork(
        token_network_registry_address=token_network_registry_address,
        token_network=token_network,
        transaction_hash=factories.make_transaction_hash(),
        block_hash=factories.make_block_hash(),
        block_number=factories.make_block_number(),
    )
    transition_result = handle_contract_receive_new_token_network(
        chain_state=chain_state, state_change=state_change
    )
    new_chain_state = transition_result.new_state
    token_network_registry = new_chain_state.identifiers_to_tokennetworkregistries[
        token_network_registry_address
    ]
    assert token_network_registry.address == token_network_registry_address
    assert not transition_result.events
    assert get_networks(
        chain_state=chain_state,
        token_network_registry_address=token_network_registry_address,
        token_address=token_address,
    ) == (token_network_registry, token_network)
Ejemplo n.º 4
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def contractreceivenewtokennetwork_from_event(
    event: DecodedEvent,
    pendingtokenregistration: Dict[TokenNetworkAddress,
                                   Tuple[TokenNetworkRegistryAddress,
                                         TokenAddress]],
) -> ContractReceiveNewTokenNetwork:
    data = event.event_data
    args = data["args"]

    token_network_address = args["token_network_address"]
    token_address = TokenAddress(args["token_address"])
    token_network_registry_address = TokenNetworkRegistryAddress(
        event.originating_contract)

    pendingtokenregistration[token_network_address] = (
        token_network_registry_address,
        token_address,
    )

    return ContractReceiveNewTokenNetwork(
        token_network_registry_address=token_network_registry_address,
        token_network=TokenNetworkState(
            address=token_network_address,
            token_address=token_address,
            network_graph=TokenNetworkGraphState(token_network_address),
        ),
        transaction_hash=event.transaction_hash,
        block_number=event.block_number,
        block_hash=event.block_hash,
    )
Ejemplo n.º 5
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def test_contract_receive_channelnew_must_be_idempotent(channel_properties):
    block_number = 10
    block_hash = factories.make_block_hash()

    token_network_address = factories.make_address()
    token_id = factories.make_address()
    token_network_state = TokenNetworkState(
        address=token_network_address,
        token_address=token_id,
        network_graph=TokenNetworkGraphState(token_network_address),
    )

    pseudo_random_generator = random.Random()

    properties, _ = channel_properties
    channel_state1 = factories.create(properties)
    channel_state2 = deepcopy(channel_state1)

    state_change1 = ContractReceiveChannelNew(
        transaction_hash=factories.make_transaction_hash(),
        channel_state=channel_state1,
        block_number=block_number,
        block_hash=block_hash,
    )

    token_network.state_transition(
        token_network_state=token_network_state,
        state_change=state_change1,
        block_number=block_number,
        block_hash=block_hash,
        pseudo_random_generator=pseudo_random_generator,
    )

    state_change2 = ContractReceiveChannelNew(
        transaction_hash=factories.make_transaction_hash(),
        channel_state=channel_state2,
        block_number=block_number + 1,
        block_hash=factories.make_block_hash(),
    )

    # replay the ContractReceiveChannelNew state change
    iteration = token_network.state_transition(
        token_network_state=token_network_state,
        state_change=state_change2,
        block_number=block_number,
        block_hash=block_hash,
        pseudo_random_generator=pseudo_random_generator,
    )

    msg = "the channel must not have been overwritten"
    channelmap_by_id = iteration.new_state.channelidentifiers_to_channels
    assert channelmap_by_id[channel_state1.identifier] == channel_state1, msg

    channelmap_by_address = iteration.new_state.partneraddresses_to_channelidentifiers
    partner_channels_ids = channelmap_by_address[
        channel_state1.partner_state.address]
    assert channel_state1.identifier in partner_channels_ids, msg
Ejemplo n.º 6
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    def initialize_all(self, block_number, random, random_seed):
        self.random_seed = random_seed

        self.block_number = block_number
        self.block_hash = factories.make_block_hash()
        self.random = random

        self.token_network_address = factories.UNIT_TOKEN_NETWORK_ADDRESS
        self.token_id = factories.UNIT_TOKEN_ADDRESS
        self.token_network_state = TokenNetworkState(
            address=self.token_network_address,
            token_address=self.token_id,
            network_graph=TokenNetworkGraphState(self.token_network_address),
        )

        self.token_network_registry_address = factories.make_token_network_registry_address()
        self.token_network_registry_state = TokenNetworkRegistryState(
            self.token_network_registry_address, [self.token_network_state]
        )

        channels = []
        for _ in range(self.number_of_clients):
            private_key, address = factories.make_privkey_address()
            self.address_to_privkey[address] = private_key

            chain_state = ChainState(
                pseudo_random_generator=self.random,
                block_number=self.block_number,
                block_hash=self.block_hash,
                our_address=address,
                chain_id=factories.UNIT_CHAIN_ID,
            )
            chain_state.identifiers_to_tokennetworkregistries[
                self.token_network_registry_address
            ] = self.token_network_registry_state

            chain_state.tokennetworkaddresses_to_tokennetworkregistryaddresses[
                self.token_network_address
            ] = self.token_network_registry_address

            self.address_to_client[address] = Client(chain_state=chain_state)

            channels.extend(
                self.new_channel_with_transaction(client_address=address)
                for _ in range(self.initial_number_of_channels)
            )

        return multiple(*channels)
Ejemplo n.º 7
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def contractreceivenewtokennetwork_from_event(
    event: DecodedEvent
) -> ContractReceiveNewTokenNetwork:
    data = event.event_data
    args = data["args"]
    token_network_address = args["token_network_address"]

    return ContractReceiveNewTokenNetwork(
        token_network_registry_address=TokenNetworkRegistryAddress(event.originating_contract),
        token_network=TokenNetworkState(
            address=token_network_address,
            token_address=args["token_address"],
            network_graph=TokenNetworkGraphState(token_network_address),
        ),
        transaction_hash=event.transaction_hash,
        block_number=event.block_number,
        block_hash=event.block_hash,
    )
Ejemplo n.º 8
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def test_maybe_add_tokennetwork_unknown_token_network_registry(chain_state, token_network_address):
    token_network_registry_address = factories.make_address()
    token_address = factories.make_address()
    token_network = TokenNetworkState(
        address=token_network_address,
        token_address=token_address,
        network_graph=TokenNetworkGraphState(token_network_address=token_network_address),
    )
    msg = "test state invalid, token_network_registry already in chain_state"
    assert (
        token_network_registry_address not in chain_state.identifiers_to_tokennetworkregistries
    ), msg
    maybe_add_tokennetwork(
        chain_state=chain_state,
        token_network_registry_address=token_network_registry_address,
        token_network_state=token_network,
    )
    # new token network registry should have been added to chain_state
    token_network_registry_state = chain_state.identifiers_to_tokennetworkregistries[
        token_network_registry_address
    ]
    assert token_network_registry_state.address == token_network_registry_address
Ejemplo n.º 9
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def test_handle_new_token_network_registry(chain_state, token_network_address):
    token_address = factories.make_address()
    token_network = TokenNetworkState(
        address=token_network_address,
        token_address=token_address,
        network_graph=TokenNetworkGraphState(
            token_network_address=token_network_address),
    )
    token_network_registry = TokenNetworkRegistryState(
        address=factories.make_address(), token_network_list=[token_network])
    state_change = ContractReceiveNewTokenNetworkRegistry(
        transaction_hash=factories.make_transaction_hash(),
        token_network_registry=token_network_registry,
        block_hash=make_block_hash(),
        block_number=1,
    )
    assert token_network_registry.address not in chain_state.identifiers_to_tokennetworkregistries
    transition_result = handle_contract_receive_new_token_network_registry(
        chain_state, state_change)
    assert transition_result.new_state == chain_state
    msg = "handle_new_token_network_registry did not add to chain_state mapping"
    assert token_network_registry.address in chain_state.identifiers_to_tokennetworkregistries, msg
Ejemplo n.º 10
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def token_network_state(
    chain_state,
    token_network_registry_state,
    token_network_registry_address,
    token_network_address,
    token_id,
):
    token_network_graph_state = TokenNetworkGraphState(token_network_address)
    token_network = TokenNetworkState(
        address=token_network_address,
        token_address=token_id,
        network_graph=token_network_graph_state,
    )
    token_network_registry_state.tokennetworkaddresses_to_tokennetworks[
        token_network_address] = token_network
    token_network_registry_state.tokenaddresses_to_tokennetworkaddresses[
        token_id] = token_network_address

    mapping = chain_state.tokennetworkaddresses_to_tokennetworkregistryaddresses
    mapping[token_network_address] = token_network_registry_address

    return token_network
Ejemplo n.º 11
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def test_subdispatch_by_canonical_id(chain_state):
    our_model, _ = create_model(balance=10, num_pending_locks=1)
    partner_model, _ = create_model(balance=0, num_pending_locks=0)
    channel_state = create_channel_from_models(
        our_model, partner_model, factories.make_privatekey_bin()
    )
    canonical_identifier = channel_state.canonical_identifier
    token_network = TokenNetworkState(
        address=canonical_identifier.token_network_address,
        token_address=factories.make_address(),
        network_graph=TokenNetworkGraphState(
            token_network_address=channel_state.token_network_address
        ),
    )
    token_network.partneraddresses_to_channelidentifiers[
        partner_model.participant_address
    ] = canonical_identifier.channel_identifier
    token_network.channelidentifiers_to_channels[
        canonical_identifier.channel_identifier
    ] = channel_state
    token_network_registry = TokenNetworkRegistryState(
        address=factories.make_address(), token_network_list=[token_network]
    )
    chain_state.identifiers_to_tokennetworkregistries[
        token_network_registry.address
    ] = token_network_registry
    chain_state.tokennetworkaddresses_to_tokennetworkregistryaddresses[
        canonical_identifier.token_network_address
    ] = token_network_registry.address
    # dispatching a Block will be ignored
    previous_state = deepcopy(chain_state)
    state_change = Block(
        block_number=chain_state.block_number,
        gas_limit=GAS_LIMIT,
        block_hash=chain_state.block_hash,
    )
    transition_result = subdispatch_by_canonical_id(
        chain_state=chain_state,
        canonical_identifier=canonical_identifier,
        state_change=state_change,
    )
    assert transition_result.new_state == previous_state
    assert transition_result.events == []

    state_change = ActionChannelClose(canonical_identifier=canonical_identifier)

    # dispatching for an unknown canonical_identifier will not emit events
    transition_result = subdispatch_by_canonical_id(
        chain_state=chain_state,
        canonical_identifier=CanonicalIdentifier(
            chain_identifier=chain_state.chain_id,
            token_network_address=factories.make_address(),
            channel_identifier=factories.make_channel_identifier(),
        ),
        state_change=state_change,
    )
    assert not transition_result.events, transition_result

    assert get_status(channel_state) == ChannelState.STATE_OPENED
    transition_result = subdispatch_by_canonical_id(
        chain_state=chain_state,
        canonical_identifier=canonical_identifier,
        state_change=state_change,
    )

    assert get_status(channel_state) == ChannelState.STATE_CLOSING
    assert transition_result.new_state == chain_state, transition_result
Ejemplo n.º 12
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def test_channel_settle_must_properly_cleanup(channel_properties):
    open_block_number = 10
    open_block_hash = factories.make_block_hash()

    pseudo_random_generator = random.Random()

    token_network_address = factories.make_address()
    token_id = factories.make_address()
    token_network_state = TokenNetworkState(
        address=token_network_address,
        token_address=token_id,
        network_graph=TokenNetworkGraphState(token_network_address),
    )

    properties, _ = channel_properties
    channel_state = factories.create(properties)

    channel_new_state_change = ContractReceiveChannelNew(
        transaction_hash=factories.make_transaction_hash(),
        channel_state=channel_state,
        block_number=open_block_number,
        block_hash=open_block_hash,
    )

    channel_new_iteration = token_network.state_transition(
        token_network_state=token_network_state,
        state_change=channel_new_state_change,
        block_number=open_block_number,
        block_hash=open_block_hash,
        pseudo_random_generator=pseudo_random_generator,
    )

    closed_block_number = open_block_number + 10
    closed_block_hash = factories.make_block_hash()
    channel_close_state_change = ContractReceiveChannelClosed(
        transaction_hash=factories.make_transaction_hash(),
        transaction_from=channel_state.partner_state.address,
        canonical_identifier=channel_state.canonical_identifier,
        block_number=closed_block_number,
        block_hash=closed_block_hash,
    )

    channel_closed_iteration = token_network.state_transition(
        token_network_state=channel_new_iteration.new_state,
        state_change=channel_close_state_change,
        block_number=closed_block_number,
        block_hash=closed_block_hash,
        pseudo_random_generator=pseudo_random_generator,
    )

    settle_block_number = closed_block_number + channel_state.settle_timeout + 1
    channel_settled_state_change = ContractReceiveChannelSettled(
        transaction_hash=factories.make_transaction_hash(),
        canonical_identifier=channel_state.canonical_identifier,
        block_number=settle_block_number,
        block_hash=factories.make_block_hash(),
        our_onchain_locksroot=LOCKSROOT_OF_NO_LOCKS,
        partner_onchain_locksroot=LOCKSROOT_OF_NO_LOCKS,
    )

    channel_settled_iteration = token_network.state_transition(
        token_network_state=channel_closed_iteration.new_state,
        state_change=channel_settled_state_change,
        block_number=closed_block_number,
        block_hash=closed_block_hash,
        pseudo_random_generator=pseudo_random_generator,
    )

    token_network_state_after_settle = channel_settled_iteration.new_state
    ids_to_channels = token_network_state_after_settle.channelidentifiers_to_channels
    assert channel_state.identifier not in ids_to_channels
Ejemplo n.º 13
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def test_detect_balance_proof_change():
    prng = random.Random()

    block_hash = make_block_hash()
    our_address = make_address()
    empty_chain = ChainState(
        pseudo_random_generator=prng,
        block_number=1,
        block_hash=block_hash,
        our_address=our_address,
        chain_id=3,
    )

    assert empty(detect_balance_proof_change(empty_chain,
                                             empty_chain)), MSG_NO_CHANGE
    assert empty(
        detect_balance_proof_change(empty_chain,
                                    deepcopy(empty_chain))), MSG_NO_CHANGE

    token_network_registry_address = make_address()
    chain_with_registry_no_bp = deepcopy(empty_chain)
    chain_with_registry_no_bp.identifiers_to_tokennetworkregistries[
        token_network_registry_address] = TokenNetworkRegistryState(
            token_network_registry_address, [])

    assert empty(
        detect_balance_proof_change(empty_chain,
                                    chain_with_registry_no_bp)), MSG_NO_CHANGE
    assert empty(
        detect_balance_proof_change(
            chain_with_registry_no_bp,
            deepcopy(chain_with_registry_no_bp))), MSG_NO_CHANGE

    token_network_address = make_address()
    token_address = make_address()

    chain_with_token_network_no_bp = deepcopy(chain_with_registry_no_bp)
    chain_with_token_network_no_bp.identifiers_to_tokennetworkregistries[
        token_network_registry_address].tokennetworkaddresses_to_tokennetworks[
            token_network_address] = TokenNetworkState(
                address=token_network_address,
                token_address=token_address,
                network_graph=TokenNetworkGraphState(token_network_address),
            )
    assert empty(
        detect_balance_proof_change(
            empty_chain, chain_with_token_network_no_bp)), MSG_NO_CHANGE
    assert empty(
        detect_balance_proof_change(
            chain_with_registry_no_bp,
            chain_with_token_network_no_bp)), MSG_NO_CHANGE
    assert empty(
        detect_balance_proof_change(
            chain_with_token_network_no_bp,
            deepcopy(chain_with_token_network_no_bp))), MSG_NO_CHANGE

    partner_address = make_address()
    canonical_identifier = make_canonical_identifier()
    channel_no_bp = NettingChannelState(
        canonical_identifier=canonical_identifier,
        token_address=token_address,
        token_network_registry_address=token_network_registry_address,
        reveal_timeout=1,
        settle_timeout=2,
        our_state=NettingChannelEndState(address=our_address,
                                         contract_balance=1),
        partner_state=NettingChannelEndState(address=partner_address,
                                             contract_balance=0),
        open_transaction=TransactionExecutionStatus(result="success"),
        settle_transaction=None,
        update_transaction=None,
        close_transaction=None,
        fee_schedule=FeeScheduleState(),
    )

    chain_with_channel_no_bp = deepcopy(chain_with_token_network_no_bp)
    chain_with_token_network_no_bp.identifiers_to_tokennetworkregistries[
        token_network_registry_address].tokennetworkaddresses_to_tokennetworks[
            token_network_address].channelidentifiers_to_channels[
                canonical_identifier.channel_identifier] = channel_no_bp

    assert empty(
        detect_balance_proof_change(empty_chain,
                                    chain_with_channel_no_bp)), MSG_NO_CHANGE
    assert empty(
        detect_balance_proof_change(chain_with_registry_no_bp,
                                    chain_with_channel_no_bp)), MSG_NO_CHANGE
    assert empty(
        detect_balance_proof_change(chain_with_token_network_no_bp,
                                    chain_with_channel_no_bp)), MSG_NO_CHANGE
    assert empty(
        detect_balance_proof_change(
            chain_with_channel_no_bp,
            deepcopy(chain_with_channel_no_bp))), MSG_NO_CHANGE

    channel_with_sent_bp = deepcopy(channel_no_bp)
    channel_with_sent_bp.our_state.balance_proof = create(
        BalanceProofUnsignedState)

    chain_with_sent_bp = deepcopy(chain_with_token_network_no_bp)
    chain_with_sent_bp.identifiers_to_tokennetworkregistries[
        token_network_registry_address].tokennetworkaddresses_to_tokennetworks[
            token_network_address].channelidentifiers_to_channels[
                canonical_identifier.channel_identifier] = channel_with_sent_bp

    assert not empty(
        detect_balance_proof_change(
            empty_chain,
            chain_with_sent_bp)), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert not empty(
        detect_balance_proof_change(
            chain_with_registry_no_bp,
            chain_with_sent_bp)), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert not empty(
        detect_balance_proof_change(
            chain_with_token_network_no_bp,
            chain_with_sent_bp)), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert not empty(
        detect_balance_proof_change(
            chain_with_channel_no_bp,
            chain_with_sent_bp)), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert empty(
        detect_balance_proof_change(
            chain_with_sent_bp, deepcopy(chain_with_sent_bp))), MSG_NO_CHANGE

    channel_with_received_bp = deepcopy(channel_no_bp)
    channel_with_received_bp.partner_state.balance_proof = create(
        BalanceProofUnsignedState)

    chain_with_received_bp = deepcopy(chain_with_token_network_no_bp)
    chain_with_received_bp.identifiers_to_tokennetworkregistries[
        token_network_registry_address].tokennetworkaddresses_to_tokennetworks[
            token_network_address].channelidentifiers_to_channels[
                canonical_identifier.channel_identifier] = channel_with_sent_bp

    # asserting with `channel_with_received_bp` and `channel_with_sent_bp`
    # doesn't make sense, because one of the balance proofs would have to
    # disappear (which is a bug)
    assert not empty(
        detect_balance_proof_change(
            empty_chain,
            chain_with_received_bp)), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert not empty(
        detect_balance_proof_change(
            chain_with_registry_no_bp,
            chain_with_received_bp)), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert not empty(
        detect_balance_proof_change(
            chain_with_token_network_no_bp,
            chain_with_received_bp)), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert not empty(
        detect_balance_proof_change(
            chain_with_channel_no_bp,
            chain_with_received_bp)), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert empty(
        detect_balance_proof_change(
            chain_with_received_bp,
            deepcopy(chain_with_received_bp))), MSG_NO_CHANGE

    chain_with_sent_and_received_bp = deepcopy(chain_with_token_network_no_bp)
    ta_to_tn = chain_with_sent_and_received_bp.identifiers_to_tokennetworkregistries
    channel_with_sent_and_recived_bp = (
        ta_to_tn[token_network_registry_address].
        tokennetworkaddresses_to_tokennetworks[token_network_address].
        channelidentifiers_to_channels[canonical_identifier.channel_identifier]
    )
    channel_with_sent_and_recived_bp.partner_state.balance_proof = deepcopy(
        channel_with_received_bp.partner_state.balance_proof)
    channel_with_sent_and_recived_bp.our_state.balance_proof = deepcopy(
        channel_with_received_bp.our_state.balance_proof)

    assert not empty(
        detect_balance_proof_change(empty_chain,
                                    chain_with_sent_and_received_bp)
    ), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert not empty(
        detect_balance_proof_change(chain_with_registry_no_bp,
                                    chain_with_sent_and_received_bp)
    ), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert not empty(
        detect_balance_proof_change(chain_with_token_network_no_bp,
                                    chain_with_sent_and_received_bp)
    ), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert not empty(
        detect_balance_proof_change(chain_with_channel_no_bp,
                                    chain_with_sent_and_received_bp)
    ), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert not empty(
        detect_balance_proof_change(chain_with_received_bp,
                                    chain_with_sent_and_received_bp)
    ), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert not empty(
        detect_balance_proof_change(chain_with_sent_bp,
                                    chain_with_sent_and_received_bp)
    ), MSG_BALANCE_PROOF_SHOULD_BE_DETECTED
    assert empty(
        detect_balance_proof_change(
            chain_with_sent_and_received_bp,
            deepcopy(chain_with_sent_and_received_bp))), MSG_NO_CHANGE