XRP瑞波JAVA调用(离线签名)

矫情吗；* 2022-02-24 15:50 329阅读 0赞

具体注意点请参考:https://blog.csdn.net/liu1765686161/article/details/82492937

1.需要安装两个jar包   https://github.com/ripple-unmaintained/ripple-lib-java  中

ripple-bouncycastle 和  ripple-core .

2. 可以编译后放入maven仓库,然后引用

例如:

<dependency>  
            <groupId>com.ripple</groupId>  
            <artifactId>ripple-bouncycastle</artifactId>  
            <version>1.0.0</version>  
        </dependency>  
        <dependency>  
          <groupId>com.ripple</groupId>  
          <artifactId>ripple-core</artifactId>  
          <version>1.0.0</version>  
        </dependency>  
3,直接上代码

常量配置

private String getUrl = "https://data.ripple.com";  
private String postUrl = "https://s1.ripple.com:51234";  
private String address = "rani9PZFVtQtAjVsvQY7AGc7xZVFLjPc1Z";  
private String password = "";  
private static final String gasFee = "100";  
private static final String COIN\_XRP = "XRP";  
private Logger log = Log.get();  
private final static String RESULT = "result";  
private final static String SUCCESS = "success";  
private final static String TES\_SUCCESS = "tesSUCCESS";  
private final static String METHOD\_GET\_TRANSACTION = "/v2/accounts/\{0\}/transactions";  
private final static String METHOD\_GET\_BALANCE = "/v2/accounts/\{0\}/balances";  
private final static String METHOD\_POST\_INDEX = "ledger\_current";  
private final static String METHOD\_POST\_ACCOUNT\_INFO = "account\_info";  
private final static String METHOD\_POST\_SUBMIT = "submit";  
获取账户序列号和区块最新序列号

public Map<String, String> getAccountSequenceAndLedgerCurrentIndex()\{  
        HashMap<String, String> params = new HashMap<String, String>();  
        params.put("account", address);  
        params.put("strict", "true");  
        params.put("ledger\_index", "current");  
        params.put("queue", "true");  
        JSONObject re = doRequest(METHOD\_POST\_ACCOUNT\_INFO,params);  
        if (re != null) \{  
            JSONObject  result = re.getJSONObject("result");  
            if (SUCCESS.equals(result.getString("status"))) \{  
                Map<String, String> map = new HashMap<String, String>();  
                map.put("accountSequence", result.getJSONObject("account\_data").getString("Sequence"));  
                map.put("ledgerCurrentIndex", result.getString("ledger\_current\_index"));  
                return map;  
            \}  
        \}  
        return null;  
    \}  
签名

public String sign(String toAddress,Double value)\{  
        value = BigDecimalUtil.mul(value, 1000000);  
        Integer vInteger = BigDecimal.valueOf(value).intValue();  
        Map<String, String> map = getAccountSequenceAndLedgerCurrentIndex();  
        Payment payment = new Payment();  
        payment.as(AccountID.Account,     address);  
        payment.as(AccountID.Destination, toAddress);  
        payment.as(UInt32.DestinationTag, "1");  
        payment.as(Amount.Amount,         vInteger.toString());  
        payment.as(UInt32.Sequence,       map.get("accountSequence"));  
        payment.as(UInt32.LastLedgerSequence, map.get("ledgerCurrentIndex")+4);  
        payment.as(Amount.Fee,            gasFee);  
        SignedTransaction signed = payment.sign(password);  
        if (signed != null) \{  
            return signed.tx\_blob;  
        \}  
        return null;  
    \}  
发送交易信息

public String send(String toAddress,double value)\{  
        String txBlob = this.sign(toAddress, value);  
        if (StringUtils.isEmpty(txBlob)) \{  
            log.error("签名失败:\{\}",toAddress);  
            return null;  
        \}  
        HashMap<String, Object> params = new HashMap<String, Object>();  
        params.put("tx\_blob", txBlob);  
        //签名  
        JSONObject json = doRequest(METHOD\_POST\_SUBMIT, params);  
        if (!isError(json)) \{  
            JSONObject result = json.getJSONObject(RESULT);  
            if (result != null) \{  
                if (TES\_SUCCESS.equals(result.getString("engine\_result"))) \{  
                    String hash = result.getJSONObject("tx\_json").getString("hash");  
                    if (!StringUtils.isEmpty(hash)) \{  
                        log.info("转账成功：toAddress:\{\},value:\{\},hash:\{\}",toAddress,value,hash);  
                        return hash;  
                    \}else \{  
                        log.error("转账失败：toAddress:\{\},value:\{\},hash:\{\}",toAddress,value,hash);  
                    \}  
                \}  
            \}  
        \}  
        return null;  
    \}