def deploy_service_registry_and_set_urls(
    private_keys, web3, contract_manager, service_registry_address
) -> Tuple[ServiceRegistry, List[str]]:
    urls = ["http://foo", "http://boo", "http://coo"]
    c1_client = JSONRPCClient(web3, private_keys[0])
    c1_service_proxy = ServiceRegistry(
        jsonrpc_client=c1_client,
        service_registry_address=service_registry_address,
        contract_manager=contract_manager,
    )
    c2_client = JSONRPCClient(web3, private_keys[1])
    c2_service_proxy = ServiceRegistry(
        jsonrpc_client=c2_client,
        service_registry_address=service_registry_address,
        contract_manager=contract_manager,
    )
    c3_client = JSONRPCClient(web3, private_keys[2])
    c3_service_proxy = ServiceRegistry(
        jsonrpc_client=c3_client,
        service_registry_address=service_registry_address,
        contract_manager=contract_manager,
    )

    # Test that getting a random service for an empty registry returns None
    pfs_address = get_random_service(c1_service_proxy, "latest")
    assert pfs_address is None

    # Test that setting the urls works
    c1_service_proxy.set_url(urls[0])
    c2_service_proxy.set_url(urls[1])
    c3_service_proxy.set_url(urls[2])

    return c1_service_proxy, urls
def __init__(
        self,
        base,
        filename="",
        data=None,
        ignore_extras=False,
        ignore_installed=False,
        skip_unavailable=False
    ):
        """
        :param base: the dnf base
        :param filename: the filename to load the transaction from (conflicts with the 'data' argument)
        :param data: the dictionary to load the transaction from (conflicts with the 'filename' argument)
        :param ignore_extras: whether to ignore extra package pulled into the transaction
        :param ignore_installed: whether to ignore installed versions of packages
        :param skip_unavailable: whether to skip transaction packages that aren't available
        """

        self._base = base
        self._filename = filename
        self._ignore_installed = ignore_installed
        self._ignore_extras = ignore_extras
        self._skip_unavailable = skip_unavailable

        if not self._base.conf.strict:
            self._skip_unavailable = True

        self._nevra_cache = set()
        self._nevra_reason_cache = {}
        self._warnings = []

        if filename and data:
            raise ValueError(_("Conflicting TransactionReplay arguments have been specified: filename, data"))
        elif filename:
            self._load_from_file(filename)
        else:
            self._load_from_data(data)