package org.web3j.examples;

import java.io.IOException;

import org.apache.http.conn.HttpHostConnectException;
import org.junit.Test;
 

import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

import static org.assertj.core.api.Assertions.assertThat;

@RunWith(SpringRunner.class)
 

@SpringBootTest
public class SpringBootWeb3jSampleApplicationTest {

    @Autowired
    private Web3jSampleService web3jSampleService;

    // This test will only run if you provide a real Ethereum client for web3j to connect to
    @Test(expected = HttpHostConnectException.class)
    public void testGetClientVersion() throws IOException {
 

        assertThat(web3jSampleService.getClientVersion()).startsWith("Geth/");
    }
}

<dependency>
    <groupId>org.web3j</groupId>
    <artifactId>web3j-spring-boot-starter</artifactId>
    <version>1.6.0</version>
</dependency>

compile ('org.web3j:web3j-spring-boot-starter:1.6.0')

@Autowired
private Web3j web3j;

# An infura endpoint
web3j.client-address = https://rinkeby.infura.io/

# Or, an IPC endpoing
web3j.client-address = /path/to/file.ipc

web3j.admin-client = true

@Autowired
private Admin admin;

web3j.httpTimeoutSeconds = 600