def gen_ledger_account(index):
    sovereign = CONFIG['sovereign_account']
    root_index = CONFIG['root_derivative_index']
    controller = get_derivative_account(sovereign, root_index)
    return get_derivative_account(controller, index)
def gen_ledger_account(index):
    sovereign = CONFIG['sovereign_account']
    root_index = CONFIG['root_derivative_index']
    controller = get_derivative_account(sovereign, root_index)
    return get_derivative_account(controller, index)