class Tests {
    @Test
    public void test() {
        RestTemplate restTemplate = new RestTemplate();
        String iostNodeHost = "http://13.52.105.102:30001";         // 测试链, testnet
        IOSTNodeClient iostNodeClient = new IOSTNodeClient();
        iostNodeClient.setRestTemplate(restTemplate);
        iostNodeClient.setIostNodeHost(iostNodeHost);
        
        NodeInfo response = iostNodeClient.getNodeInfo();
    }
}