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 _on_Connection(self, server, user, password,
                       auto_bind=None, client_strategy=None,
                       authentication=None, check_names=None,
                       auto_referrals=None, receive_timeout=None):
        """
        We need to create a Connection object with
        methods:
            add()
            modify()
            search()
            unbind()
        and object
            response
        """
        # Raise an exception, if we are told to do so
        if self.exception:
            raise Exception("LDAP request failed")
        # check the password
        correct_password = False
        # Anonymous bind
        # Reload the directory just in case a change has been made to
        # user credentials
        self.directory = self._load_data(DIRECTORY)
        if authentication == ldap3.ANONYMOUS and user == "":
            correct_password = True
        for entry in self.directory:
            if to_unicode(entry.get("dn")) == user:
                pw = entry.get("attributes").get("userPassword")
                # password can be unicode
                if to_bytes(pw) == to_bytes(password):
                    correct_password = True
                elif pw.startswith('{SSHA}'):
                    correct_password = ldap_salted_sha1.verify(password, pw)
                else:
                    correct_password = False
        self.con_obj = Connection(self.directory)
        self.con_obj.bound = correct_password
        return self.con_obj