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 overview():
    # user and group stats
    banned_users = User.query.filter(
        Group.banned == True,
        Group.id == User.primary_group_id
    ).count()
    if not current_app.config["REDIS_ENABLED"]:
        online_users = User.query.filter(User.lastseen >= time_diff()).count()
    else:
        online_users = len(get_online_users())

    stats = {
        # user stats
        "all_users": User.query.count(),
        "banned_users": banned_users,
        "online_users": online_users,
        "all_groups": Group.query.count(),
        # forum stats
        "report_count": Report.query.count(),
        "topic_count": Topic.query.count(),
        "post_count": Post.query.count(),
        # misc stats
        "plugins": get_all_plugins(),
        "python_version": "%s.%s" % (sys.version_info[0], sys.version_info[1]),
        "flask_version": flask_version,
        "flaskbb_version": flaskbb_version
    }

    return render_template("management/overview.html", **stats)