java获取ETH余额:
/**
* 取余额
*
* @param web3j Web3j对象
*
* @param address 传入查询的地址
*
* @return String 余额
* @throws IOException
*/
public static String getBalance(Web3j web3j, String address) throws IOException {
EthGetBalance ethGetBlance = web3j.ethGetBalance(address, DefaultBlockParameterName.LATEST).send();
// 格式转换 WEI(币种单位) --> ETHER
String balance = Convert.fromWei(new BigDecimal(ethGetBlance.getBalance()), Convert.Unit.ETHER).toPlainString();
return balance;
}