tron(波场）trc20离线签名广播交易(Java版本)

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本文链接：https://blog.csdn.net/sail331x/article/details/112972860

前言

由于在项目中需要，我们又为了节省服务器资源，决定不同步节点数据。也就说说，很多的一些API，我们是不能直接用的了，最直接的有创建地址、签名交易等等

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相关API修改

地址生成

TronUtils.java

	/**
	 * 离线创建地址
	 *
	 * @return
	 */
	public static Map<String, String> createAddress() {
     
		ECKey eCkey = new ECKey(random);
		String privateKey = ByteArray.toHexString(eCkey.getPrivKeyBytes());
		byte[] addressBytes = eCkey.getAddress();
		String hexAddress = ByteArray.toHexString(addressBytes);
		Map<String, String> addressInfo = new HashMap<>();
		addressInfo.put("address", toViewAddress(hexAddress));
		addressInfo.put("hexAddress", hexAddress);
		addressInfo.put("privateKey", privateKey);
		return addressInfo;
	}

离线签名并广播交易

	/**
	 * 广播交易信息 返回交易id
	 * @param tronUrl
	 * @param transaction
	 * @return
	 */
	public static String signAndBroadcast(String tronUrl,String privateKey,JSONObject transaction)throws Throwable{
     
		if(tronUrl.endsWith("/")){
     
			tronUrl= tronUrl.substring(0,tronUrl.length() - 1);
		}
		Protocol.Transaction tx = packTransaction(transaction.toJSONString());
		byte[] bytes = signTransactionByte(tx.toByteArray(), ByteArray.fromHexString(privateKey));
		String signTransation = Hex.toHexString(bytes);
		JSONObject jsonObjectGB = new JSONObject();
		jsonObjectGB.put("transaction", signTransation);
		String url = tronUrl + "/wallet/broadcasthex";
		String transationCompelet1 = HttpClientUtils.postJson(url, jsonObjectGB.toString());
		JSONObject transationCompelet = JSONObject.parseObject(transationCompelet1);
		if (transationCompelet.getBoolean("result")) {
     
			return transationCompelet.getString("txid");
		} else {
     
			logger.error(String.format("签名交易失败:%s",transationCompelet1));
			return null;
		}
	}

balance查询(trx以及trc20)

a、trx额度查询 （TrxTest.java)

    /**
     * 查询额度
     */
    @Test
    public void balanceOf() throws Throwable {
     
        String queryAddress = "TA1gLs6FS8eik5NJqjvm73L4qRqWDmLwmh";
        String url = tronUrl + "/wallet/getaccount";
        JSONObject param = new JSONObject();
        param.put("address", TronUtils.toHexAddress(queryAddress));
        String result = HttpClientUtils.postJson(url, param.toJSONString());
        BigInteger balance = BigInteger.ZERO;
        if (!StringUtils.isEmpty(result)) {
     
            JSONObject obj = JSONObject.parseObject(result);
            BigInteger b = obj.getBigInteger("balance");
            if(b != null){
     
                balance = b;
            }
        }

        System.out.println("trx:"+new BigDecimal(balance).divide(decimal,6, RoundingMode.FLOOR));
    }

b、trc20额度查询(Trc20Test.java)

    /**
     * 查询trc20数量
     */
    @Test
    public void balanceOfTrc20()throws Throwable{
     
        String queryAddress = "TDzVKgBF9WSFox22qbdm7YYec9NjaXUrrr";

        String url = tronUrl + "/wallet/triggerconstantcontract";
        JSONObject param = new JSONObject();
        param.put("owner_address",TronUtils.toHexAddress(queryAddress));
        param.put("contract_address",TronUtils.toHexAddress(contract));
        param.put("function_selector","balanceOf(address)");
        List<Type> inputParameters = new ArrayList<>();
        inputParameters.add(new Address(TronUtils.toHexAddress(queryAddress).substring(2)));
        param.put("parameter",FunctionEncoder.encodeConstructor(inputParameters));
        String result = HttpClientUtils.postJson(url, param.toJSONString());
        BigDecimal amount = BigDecimal.ZERO;
        if(StringUtils.isNotEmpty(result)){
     
            JSONObject obj = JSONObject.parseObject(result);
            JSONArray results = obj.getJSONArray("constant_result");
            if(results != null && results.size() > 0){
     
                BigInteger _amount = new BigInteger(results.getString(0),16);
                amount = new BigDecimal(_amount).divide(decimal,6, RoundingMode.FLOOR);
            }
        }
        System.out.println(String.format("账号%s的balance=%s",queryAddress,amount.toString()));
    }

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[发起交易]离线签名+广播i交易(trx以及trc20)

trx离线签名+广播交易 (TrxTest.java)

    /**
     * 转账
     */
    @Test
    public void sendTrx() throws Throwable {
     
        BigDecimal trxAmount = new BigDecimal("0.5");
        String privateKey = "7a2195d52c42c34a8de11633de7fdfbbf6883d2e95918ccd845230629fd95768";
        String toAddress = "TDzVKgBF9WSFox22qbdm7YYec9NjaXUrrr";

        String url = tronUrl + "/wallet/createtransaction";
        JSONObject param = new JSONObject();
        param.put("owner_address",TronUtils.toHexAddress(TronUtils.getAddressByPrivateKey(privateKey)));
        param.put("to_address",TronUtils.toHexAddress(toAddress));
        param.put("amount",trxAmount.multiply(decimal).toBigInteger());
        String _result = HttpClientUtils.postJson(url, param.toJSONString());
        String txid = null;//交易id
        if(StringUtils.isNotEmpty(_result)){
     
            JSONObject transaction = JSONObject.parseObject(_result);
            transaction.getJSONObject("raw_data").put("data", Hex.toHexString("这里是备注信息".getBytes()));
            txid = TronUtils.signAndBroadcast(tronUrl, privateKey, transaction);
            System.out.println(txid);
        }
    }

trc20离线签名+广播交易 (Trc20Test.java)

 /**
     * 发起trc20转账
     * @throws Throwable
     */
    @Test
    public void sendTrc20() throws Throwable {
     
        String privateKey = "7a2195d52c42c34a8de11633de7fdfbbf6883d2e95918ccd845230629fd95768";
        String toAddress = "TDzVKgBF9WSFox22qbdm7YYec9NjaXUrrr";
        BigDecimal amount = new BigDecimal("0.01");

        String ownerAddress = TronUtils.getAddressByPrivateKey(privateKey);
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("contract_address", TronUtils.toHexAddress(contract));
        jsonObject.put("function_selector", "transfer(address,uint256)");
        List<Type> inputParameters = new ArrayList<>();
        inputParameters.add(new Address(TronUtils.toHexAddress(toAddress).substring(2)));
        inputParameters.add(new Uint256(amount.multiply(decimal).toBigInteger()));
        String parameter = FunctionEncoder.encodeConstructor(inputParameters);
        jsonObject.put("parameter", parameter);
        jsonObject.put("owner_address", TronUtils.toHexAddress(ownerAddress));
        jsonObject.put("call_value", 0);
        jsonObject.put("fee_limit", 6000000L);
        String trans1 = HttpClientUtils.postJson(tronUrl + "/wallet/triggersmartcontract", jsonObject.toString());
        JSONObject result = JSONObject.parseObject(trans1);
        if (result.containsKey("Error")) {
     
            System.out.println("send error==========");
            return;
        }
        JSONObject tx = result.getJSONObject("transaction");
        tx.getJSONObject("raw_data").put("data", Hex.toHexString("我是Tricky".getBytes()));//填写备注
        String txid = TronUtils.signAndBroadcast(tronUrl, privateKey, tx);
        if (txid != null) {
     
            System.out.println("交易Id:" + txid);
        }
    }

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写在后面

注意一定要看readme.md文件，否则你发现坑就有点难以解决了。
如果需要合约/DApp/钱包/游戏/商城/官网开发，可以联系wx: zhongxh886

附带项目地址:
https://github.com/StivenZhong/tron-sdk.git