TransactionUtil.java

package cn.chain33.javasdk.utils;

import cn.chain33.javasdk.model.Address;
import cn.chain33.javasdk.model.Signature;
import cn.chain33.javasdk.model.Transaction;
import cn.chain33.javasdk.model.TransferBalanceRequest;
import cn.chain33.javasdk.model.decode.DecodeRawTransaction;
import cn.chain33.javasdk.model.enums.AddressType;
import cn.chain33.javasdk.model.enums.ChainID;
import cn.chain33.javasdk.model.enums.SignType;
import cn.chain33.javasdk.model.gm.SM2KeyPair;
import cn.chain33.javasdk.model.gm.SM2Util;
import cn.chain33.javasdk.model.protobuf.*;
import cn.chain33.javasdk.model.protobuf.ExecuterProtobuf.ModifyConfig.Builder;
import cn.chain33.javasdk.model.protobuf.ManageProtobuf.ManageAction;
import cn.chain33.javasdk.model.protobuf.TokenActionProtoBuf.TokenAction;
import cn.chain33.javasdk.model.protobuf.TokenActionProtoBuf.TokenFinishCreate;
import cn.chain33.javasdk.model.protobuf.TokenActionProtoBuf.TokenPreCreate;
import cn.chain33.javasdk.model.protobuf.TransactionAllProtobuf.AssetsTransfer;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import net.vrallev.java.ecc.Ecc25519Helper;
import org.bitcoinj.core.ECKey;
import org.bitcoinj.core.Sha256Hash;
import org.bouncycastle.asn1.sec.SECNamedCurves;
import org.bouncycastle.asn1.x9.X9ECParameters;
import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
import org.bouncycastle.crypto.generators.ECKeyPairGenerator;
import org.bouncycastle.crypto.params.ECDomainParameters;
import org.bouncycastle.crypto.params.ECKeyGenerationParameters;
import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
import org.bouncycastle.pqc.math.linearalgebra.ByteUtils;
import org.web3j.crypto.ECKeyPair;
import org.web3j.crypto.Keys;
import org.web3j.utils.Numeric;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.SecureRandom;
import java.time.Duration;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;

/**
 * @author logan 2018年5月14日
 */
public class TransactionUtil {

    public static final long DEFAULT_FEE = 1000000;
    public static final long PARA_CREATE_EVM_FEE = 3000000;
    public static final long PARA_CALL_EVM_FEE = 200000;
    private static final SignType DEFAULT_SIGNTYPE = SignType.SECP256K1;
    private final static Long TX_HEIGHT_OFFSET = 1L << 62;

    private final static Long LowAllowPackHeight = 30L;
    private static final long DURATION = 1;
    private static final long MICROSECOND = DURATION * 1000;
    private static final long MILLISECOND = MICROSECOND * 1000;
    private static final long SECOND = MILLISECOND * 1000;
    private static final long EXPIREBOUND = 1000000000;
    private static final long MAXTXSIZE = 100000;
    private static byte[] addrSeed = "address seed bytes for public key".getBytes();

    /**
     * @param expire 单位为秒
     * @return
     * @description expire转换为纳秒为单位
     */
    public static long getExpire(long expire) {
        expire = expire * EXPIREBOUND;
        if (expire > EXPIREBOUND) {
            if (expire < SECOND * 120) {
                expire = SECOND * 120;
            }
            expire = System.currentTimeMillis() / 1000 + expire / SECOND;
            return expire;
        } else {
            return expire;
        }
    }

    /**
     * byte数组合并
     *
     * @param byte_1
     * @param byte_2
     * @return
     */
    public static byte[] byteMerger(byte[] byte_1, byte[] byte_2) {
        byte[] byte_3 = new byte[byte_1.length + byte_2.length];
        System.arraycopy(byte_1, 0, byte_3, 0, byte_1.length);
        System.arraycopy(byte_2, 0, byte_3, byte_1.length, byte_2.length);
        return byte_3;
    }

    /**
     * @param pubKey 公钥
     * @return 地址
     * @description 通过公钥生成地址
     */
    public static String genAddress(byte[] pubKey) {
        byte[] sha256 = TransactionUtil.Sha256(pubKey);
        byte[] ripemd160 = TransactionUtil.ripemd160(sha256);
        Address address = new Address();
        address.setHash160(ripemd160);
        return addressToString(address);
    }

    /**
     * @param pubKey 公钥
     * @return 地址
     * @description 通过公钥生成YCC格式地址（以太坊形式，以0x开头的地址）
     */
    public static String genAddressForYCC(BigInteger pubKey) {
        //通过公钥生成钱包地址
        String address = Keys.getAddress(pubKey);
        return "0x" + address;
    }

    /**
     * @param privateKey  私钥
     * @param addressType 0表示生成btc格式地址,2表示生成eth格式地址
     * @return 地址
     * @description 通过私钥生成地址
     */
    public static String genAddress(String privateKey, AddressType addressType) {
        switch (addressType) {
            case BTC_ADDRESS: {
                return genAddress(HexUtil.fromHexString(getHexPubKeyFromPrivKey(privateKey)));
            }
            case ETH_ADDRESS: {
                return genAddressForYCC(getHexPubKeyFromPrivKeyForYCC(privateKey));
            }
            default:
                return null;
        }
    }

    /**
     * 将evm地址转成base58编码地址
     *
     * @param addressByte
     * @return
     * @throws Exception
     */
    public static String encodeAddress(byte[] addressByte) {
        Address address = new Address();
        address.setHash160(addressByte);
        return addressToString(address);
    }

    /**
     * 将ETH地址转成BTC地址
     *
     * @param ethAddress eth格式地址
     * @return
     */
    public static String convertETHToBTC(String ethAddress) {
        return encodeAddress(HexUtil.fromHexString(ethAddress));
    }

    /**
     * 将BTC地址转为ETH地址
     *
     * @param btcAddress BTC格式地址
     * @return
     */
    public static String convertBTCToETH(String btcAddress) {
        try {
            return "0x" + HexUtil.toHexString(decodeAddress(btcAddress));
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 将base58编码的地址转成evm地址
     *
     * @param address chain33地址
     * @return
     * @throws Exception
     */
    public static byte[] decodeAddress(String address) throws Exception {
        byte[] decodeBytes = Base58Util.decode(address);
        if (decodeBytes.length < 25) {
            throw new Exception("Address too short " + HexUtil.toHexString(decodeBytes));
        }

        if (!validAddress(address)) {
            throw new Exception("Address check failed " + HexUtil.toHexString(decodeBytes));
        }

        return ByteUtils.subArray(decodeBytes, 1, decodeBytes.length - 4);
    }

    /**
     * @param address 地址
     * @return 校验结果
     * @description 校验地址是否符合规则
     */
    public static boolean validAddress(String address) {
        try {
            byte[] decodeBytes = Base58Util.decode(address);
            byte[] checkByteByte = ByteUtils.subArray(decodeBytes, decodeBytes.length - 4);
            byte[] noCheckByte = ByteUtils.subArray(decodeBytes, 0, decodeBytes.length - 4);
            byte[] sha256 = Sha256(noCheckByte);
            byte[] twice = Sha256(sha256);
            for (int i = 0; i < 4; i++) {
                if (twice[i] != checkByteByte[i]) {
                    return false;
                }
            }
            return true;
        } catch (Exception e) {
            return false;
        }
    }

    /**
     * @param address 地址
     * @return 校验结果
     * @description 校验普通个人地址是否符合以太坊地址规则
     */
    public static boolean validETHAddress(String address) {
        if (!address.startsWith("0x"))
            return false;
        String cleanHexInput = Numeric.cleanHexPrefix(address);
        try {
            Numeric.toBigIntNoPrefix(cleanHexInput);
        } catch (NumberFormatException e) {
            return false;
        }
        return cleanHexInput.length() == 40;
    }

    /**
     * @param address 地址
     * @return 校验结果
     * @description 校验地址是否符合规则
     */
    public static boolean validAddress(String address, AddressType addressType) {
        switch (addressType) {
            case BTC_ADDRESS: {
                return validAddress(address);
            }
            case ETH_ADDRESS: {
                return validETHAddress(address);
            }
            default:
                return false;
        }
    }

    /**
     * @param byteArr
     * @param start
     * @param end
     * @return
     * @description byte数组截取
     */
    public static byte[] subByteArr(byte[] byteArr, Integer start, Integer end) {
        Integer diff = end - start;
        byte[] byteTarget = new byte[diff];
        if (diff > byteArr.length) {
            diff = byteArr.length;
        }
        for (int i = 0; i < diff; i++) {
            byteTarget[i] = byteArr[i];
        }
        return byteTarget;
    }

    public static byte[] Sha256(byte[] sourceByte) {
        try {
            MessageDigest md = MessageDigest.getInstance("SHA-256");
            md.update(sourceByte);
            byte byteData[] = md.digest();
            return byteData;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    public static Long getRandomNonce() {
        Random random = new Random(System.nanoTime());
        return Math.abs(random.nextLong());
    }

    /**
     * @param to        目标地址
     * @param amount    数量
     * @param coinToken 主代币则为""
     * @param note      备注，没有为""
     * @return payload
     * @description 本地创建coins转账payload
     */
    public static byte[] createTransferPayLoad(String to, Long amount, String coinToken, String note) {
        TransactionAllProtobuf.AssetsTransfer.Builder assetsTransferBuilder = TransactionAllProtobuf.AssetsTransfer.newBuilder();
        assetsTransferBuilder.setCointoken(coinToken);
        assetsTransferBuilder.setAmount(amount);
        try {
            assetsTransferBuilder.setNote(ByteString.copyFrom(note, "utf-8"));
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        assetsTransferBuilder.setTo(to);
        AssetsTransfer assetsTransfer = assetsTransferBuilder.build();
        CoinsProtobuf.CoinsAction.Builder coinsActionBuilder = CoinsProtobuf.CoinsAction.newBuilder();
        coinsActionBuilder.setTy(1);
        coinsActionBuilder.setTransfer(assetsTransfer);
        CoinsProtobuf.CoinsAction coinsAction = coinsActionBuilder.build();
        byte[] payload = coinsAction.toByteArray();
        return payload;
    }


    /**
     * @param privateKey
     * @param toAddress
     * @param execer
     * @param payLoad
     * @return
     * @description 本地创建转账交易
     */
    public static String createTransferTx(String privateKey, String toAddress, String execer, byte[] payLoad) {
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        return createTxMain(privateKeyBytes, toAddress, execer.getBytes(), payLoad, DEFAULT_SIGNTYPE, DEFAULT_FEE);
    }

    public static String createTransferTxForYCC(String privateKey, String toAddress, String execer, byte[] payLoad) {
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        return createTxMain(privateKeyBytes, toAddress, execer.getBytes(), payLoad, SignType.ETH_SECP256K1, ChainID.YCC.getID(), DEFAULT_FEE);
    }

    public static String createTransferTx(String privateKey, String toAddress, String execer, byte[] payLoad, long fee) {
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        return createTxMain(privateKeyBytes, toAddress, execer.getBytes(), payLoad, DEFAULT_SIGNTYPE, fee);
    }

    public static String createTransferTx(String privateKey, String toAddress, String execer, byte[] payLoad, long fee, long txheight) {
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        return createTxMain(privateKeyBytes, toAddress, execer.getBytes(), payLoad, DEFAULT_SIGNTYPE, fee, txheight);
    }

    public static TransactionAllProtobuf.Transaction createTransferTx2(String privateKey, String toAddress, String execer, byte[] payLoad, long fee, long txheight) {
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        return createTxMain2(privateKeyBytes, toAddress, execer.getBytes(), payLoad, DEFAULT_SIGNTYPE, fee, txheight);
    }

    public static String createTx(String privateKey, String execer, String payLoad) {
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        return createTx(privateKeyBytes, execer.getBytes(), payLoad.getBytes(), DEFAULT_SIGNTYPE, DEFAULT_FEE);
    }

    /**
     * 构建普通BTY签名交易
     *
     * @param privateKey
     * @param execer
     * @param payLoad
     * @param fee
     * @return
     */
    public static String createTx(String privateKey, String execer, String payLoad, long fee) {
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        return createTx(privateKeyBytes, execer.getBytes(), payLoad.getBytes(), DEFAULT_SIGNTYPE, fee);
    }

    /**
     * 构建YCC平行链签名交易
     *
     * @param privateKey
     * @param execer
     * @param payLoad
     * @param fee
     * @return
     */
    public static String createTxParaForYCC(String privateKey, String execer, byte[] payLoad, long fee) {
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        return createTxPara(privateKeyBytes, execer.getBytes(), payLoad, SignType.ETH_SECP256K1, ChainID.YCC.getID(), AddressType.ETH_ADDRESS, fee);
    }

    /**
     * 构建YCC主链签名交易
     *
     * @param privateKey
     * @param toAddress
     * @param execer
     * @param payLoad
     * @param fee
     * @return
     */
    public static String createTxMainForYCC(String privateKey, String toAddress, String execer, byte[] payLoad, long fee) {
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        return createTxMain(privateKeyBytes, toAddress, execer.getBytes(), payLoad, SignType.ETH_SECP256K1, ChainID.YCC.getID(), fee);
    }

    public static String createTx(byte[] privateKey, byte[] execer, byte[] payLoad, SignType signType, long fee) {
        String toAddress = getToAddress(execer);
        return createTxMain(privateKey, toAddress, execer, payLoad, signType, fee);
    }

    /**
     * 通用的构建平行链签名交易方法
     *
     * @param privateKey
     * @param execer
     * @param payLoad
     * @param signType
     * @param chainID
     * @param fee
     * @return
     */
    public static String createTxPara(byte[] privateKey, byte[] execer, byte[] payLoad, SignType signType, int chainID, AddressType addressType, long fee) {
        String toAddress = getToAddress(execer, addressType);
        return createTxMain(privateKey, toAddress, execer, payLoad, signType, chainID, fee);
    }

    private static String createTxMain(byte[] privateKey, String toAddress, byte[] execer, byte[] payLoad,
                                       SignType signType, long fee) {
        if (signType == null)
            signType = DEFAULT_SIGNTYPE;

        // 如果没有私钥，创建私钥 privateKey =
        if (privateKey == null) {
            TransactionUtil.generatorPrivateKey();
        }

        Transaction transaction = createTxRaw(toAddress, execer, payLoad, fee);

        // 签名
        byte[] protobufData = encodeProtobuf(transaction);

        sign(signType, protobufData, privateKey, null, transaction);
        // 序列化
        byte[] encodeProtobufWithSign = encodeProtobufWithSign(transaction);
        String transationStr = HexUtil.toHexString(encodeProtobufWithSign);
        return transationStr;
    }

    /**
     * 构建主链交易
     *
     * @param privateKey 私钥
     * @param toAddress  目的地址
     * @param execer     执行器名称
     * @param payLoad    内容
     * @param signType   签名类型
     * @param chainID    链ID
     * @param fee        手续费
     * @return 本地构造的交易
     */

    private static String createTxMain(byte[] privateKey, String toAddress, byte[] execer, byte[] payLoad,
                                       SignType signType, int chainID, long fee) {
        if (signType == null)
            signType = DEFAULT_SIGNTYPE;

        // 如果没有私钥，创建私钥 privateKey =
        if (privateKey == null) {
            TransactionUtil.generatorPrivateKey();
        }
        Transaction transaction = createTxRaw(toAddress, execer, payLoad, fee, chainID);

        // 签名
        byte[] protobufData = encodeProtobuf(transaction);

        sign(signType, protobufData, privateKey, null, transaction);
        // 序列化
        byte[] encodeProtobufWithSign = encodeProtobufWithSign(transaction);
        String transationStr = HexUtil.toHexString(encodeProtobufWithSign);
        return transationStr;
    }

    /**
     * 创建YCC主链交易
     *
     * @param privateKey 私钥
     * @param toAddress  目的地址
     * @param execer     执行器名称
     * @param payLoad    内容
     * @param signType   签名类型
     * @param fee        手续费
     * @return 本地构造的交易
     */

    private static String createTxMainForYCC(byte[] privateKey, String toAddress, byte[] execer, byte[] payLoad,
                                             SignType signType, long fee) {
        if (signType == null)
            signType = DEFAULT_SIGNTYPE;

        // 如果没有私钥，创建私钥 privateKey =
        if (privateKey == null) {
            TransactionUtil.generatorPrivateKey();
        }
        Transaction transaction = createTxRaw(toAddress, execer, payLoad, fee, ChainID.YCC.getID());

        // 签名
        byte[] protobufData = encodeProtobuf(transaction);

        sign(signType, protobufData, privateKey, null, transaction);
        // 序列化
        byte[] encodeProtobufWithSign = encodeProtobufWithSign(transaction);
        String transationStr = HexUtil.toHexString(encodeProtobufWithSign);
        return transationStr;
    }

    /**
     * @param privateKey 私钥
     * @param toAddress  目标地址
     * @param execer     例如user.p.xxchain.token
     * @param payLoad    内容
     * @param signType   签名方式，默认SignType.SECP256K1
     * @param fee        手续费
     * @param txHeight   联盟链需要，其他为null
     * @return
     * @description 本地构造交易
     */
    public static String createTxMain(byte[] privateKey, String toAddress, byte[] execer, byte[] payLoad,
                                      SignType signType, long fee, Long txHeight) {
        if (signType == null)
            signType = DEFAULT_SIGNTYPE;

        // 如果没有私钥，创建私钥 privateKey =
        if (privateKey == null) {
            TransactionUtil.generatorPrivateKey();
        }

        Transaction transation = createTxRaw(toAddress, execer, payLoad, fee);
        if (txHeight != null) {
            transation.setExpire(txHeight + TX_HEIGHT_OFFSET + LowAllowPackHeight);
        }

        // 签名
        byte[] protobufData = encodeProtobuf(transation);

        sign(signType, protobufData, privateKey, null, transation);
        // 序列化
        byte[] encodeProtobufWithSign = encodeProtobufWithSign(transation);
        String transationHash = HexUtil.toHexString(encodeProtobufWithSign);
        return transationHash;
    }

    /**
     * @param privateKey 私钥
     * @param toAddress  目标地址
     * @param execer     例如user.p.xxchain.token
     * @param payLoad    内容
     * @param signType   签名方式，默认SignType.SECP256K1
     * @param fee        手续费
     * @param txHeight   联盟链需要，其他为null
     * @return
     * @description 本地构造交易
     */
    public static TransactionAllProtobuf.Transaction createTxMain2(byte[] privateKey, String toAddress, byte[] execer, byte[] payLoad,
                                                                   SignType signType, long fee, Long txHeight) {
        if (signType == null)
            signType = DEFAULT_SIGNTYPE;

        // 如果没有私钥，创建私钥 privateKey =
        if (privateKey == null) {
            TransactionUtil.generatorPrivateKey();
        }

        Transaction transation = createTxRaw(toAddress, execer, payLoad, fee);
        if (txHeight != null) {
            transation.setExpire(txHeight + TX_HEIGHT_OFFSET + LowAllowPackHeight);
        }

        // 签名
        byte[] protobufData = encodeProtobuf(transation);

        sign(signType, protobufData, privateKey, null, transation);
        TransactionAllProtobuf.Transaction tx = encodeProtobufWithSign2(transation);
        return tx;
    }

    public static String createTxWithCert(String privateKey, String execer, byte[] payLoad, SignType signType, byte[] cert, byte[] uid) {
        if (signType == null)
            signType = DEFAULT_SIGNTYPE;

        // 如果没有私钥，创建私钥 privateKey =
        if (privateKey == null) {
            TransactionUtil.generatorPrivateKey();
        }

        String toAddress = getToAddress(execer.getBytes());
        Transaction transation = createTxRaw(toAddress, execer.getBytes(), payLoad, DEFAULT_FEE);
        // 签名
        byte[] protobufData = encodeProtobuf(transation);

        sign(signType, protobufData, HexUtil.fromHexString(privateKey), uid, transation);

        byte[] certSign = CertUtils.EncodeCertToSignature(transation.getSignature().getSignature(), cert, uid);
        transation.getSignature().setSignature(certSign);

        // 序列化
        byte[] encodeProtobufWithSign = encodeProtobufWithSign(transation);
        String transationHash = HexUtil.toHexString(encodeProtobufWithSign);
        return transationHash;
    }

    public static TransactionAllProtobuf.Transaction createTxWithCertProto(String privateKey, String execer, byte[] payLoad, SignType signType, byte[] cert, byte[] uid) {
        if (signType == null)
            signType = DEFAULT_SIGNTYPE;

        // 如果没有私钥，创建私钥 privateKey =
        if (privateKey == null) {
            TransactionUtil.generatorPrivateKey();
        }

        String toAddress = getToAddress(execer.getBytes());
        Transaction transation = createTxRaw(toAddress, execer.getBytes(), payLoad, DEFAULT_FEE);
        // 签名
        byte[] protobufData = encodeProtobuf(transation);

        sign(signType, protobufData, HexUtil.fromHexString(privateKey), uid, transation);

        byte[] certSign = CertUtils.EncodeCertToSignature(transation.getSignature().getSignature(), cert, uid);
        transation.getSignature().setSignature(certSign);

        TransactionAllProtobuf.Transaction tx = encodeProtobufWithSign2(transation);
        return tx;
    }

    public static Transaction createTxRaw(String toAddress, byte[] execer, byte[] payLoad, long fee) {
        Transaction transation = new Transaction();
        transation.setExecer(execer);
        transation.setPayload(payLoad);
        transation.setFee(fee);
        transation.setNonce(TransactionUtil.getRandomNonce());
        // 计算To
        transation.setTo(toAddress);

        return transation;
    }

    /**
     * 构建通用的未签名交易
     *
     * @param toAddress
     * @param execer
     * @param payLoad
     * @param fee
     * @param chainID
     * @return
     */
    public static Transaction createTxRaw(String toAddress, byte[] execer, byte[] payLoad, long fee, int chainID) {
        Transaction transation = new Transaction();
        transation.setExecer(execer);
        transation.setPayload(payLoad);
        transation.setFee(fee);
        transation.setNonce(TransactionUtil.getRandomNonce());
        transation.setChainID(chainID);
        // 计算To
        transation.setTo(toAddress);

        return transation;
    }

    /**
     * 构造转帐交易，并签名
     *
     * @return 交易hash
     */
    public static String transferBalanceMain(TransferBalanceRequest transferBalanceRequest) {
        String to = transferBalanceRequest.getTo();
        Long amount = transferBalanceRequest.getAmount();
        String coinToken = transferBalanceRequest.getCoinToken();
        String note = transferBalanceRequest.getNote();
        SignType signType = transferBalanceRequest.getSignType();
        String privateKey = transferBalanceRequest.getFromPrivateKey();
        String execer = transferBalanceRequest.getExecer();
        int chainID = transferBalanceRequest.getChainID();
        long fee = transferBalanceRequest.getFee();
        byte[] payload = createTransferPayLoad(to, amount, coinToken, note);

        byte[] execerBytes;
        if (StringUtil.isNotEmpty(execer)) {
            execerBytes = execer.getBytes();
        } else {
            execerBytes = "none".getBytes();
        }
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);

        String transferTx = createTxMain(privateKeyBytes, to, execerBytes, payload, signType, chainID, fee);
        return transferTx;
    }

    /**
     * 计算to
     *
     * @param execer
     * @return
     */
    public static String getToAddress(byte[] execer) {
        byte[] mergeredByte = TransactionUtil.byteMerger(addrSeed, execer);
        byte[] sha256_1 = TransactionUtil.Sha256(mergeredByte);
        for (int i = 0; i < sha256_1.length; i++) {
            sha256_1[i] = (byte) (sha256_1[i] & 0xff);
        }
        byte[] sha256_2 = TransactionUtil.Sha256(sha256_1);
        byte[] sha256_3 = TransactionUtil.Sha256(sha256_2);
        byte[] ripemd160 = TransactionUtil.ripemd160(sha256_3);
        Address address = new Address();
        address.setHash160(ripemd160);
        return addressToString(address);
    }

    /**
     * 通用根据执行器名称获取相应地址格式执行器地址
     *
     * @param execer
     * @param addressType
     * @return
     */
    public static String getToAddress(byte[] execer, AddressType addressType) {
        byte[] mergeredByte = TransactionUtil.byteMerger(addrSeed, execer);
        //两次sha256处理
        byte[] sha256_1 = TransactionUtil.Sha256(mergeredByte);
        byte[] sha256_2 = TransactionUtil.Sha256(sha256_1);

        if (addressType == AddressType.BTC_ADDRESS) {
            byte[] sha256_3 = TransactionUtil.Sha256(sha256_2);
            byte[] ripemd160 = TransactionUtil.ripemd160(sha256_3);
            Address address = new Address();
            address.setHash160(ripemd160);
            return addressToString(address);
        }
        if (addressType == AddressType.ETH_ADDRESS) {
            //根据公钥生成eth格式地址,因为根据执行器名称生成的公钥不具有压缩属性，所以需要Keccak256生成相应的地址
            byte[] srcBytes = new byte[sha256_2.length - 1];
            System.arraycopy(sha256_2, 1, srcBytes, 0, sha256_2.length - 1);
            byte[] bytes = Keccak256Util.keccak256(srcBytes);
            //取后20位作为地址
            byte[] data = new byte[20];
            System.arraycopy(bytes, 12, data, 0, 20);
            return "0x" + HexUtil.toHexString(data);
        }
        return null;
    }

    /**
     * @return 私钥
     * @description 创建私钥和公钥
     */
    public static byte[] generatorPrivateKey() {
        int length = 0;
        byte[] privateKey;
        do {
            ECKeyPairGenerator gen = new ECKeyPairGenerator();
            SecureRandom secureRandom = new SecureRandom();
            X9ECParameters secnamecurves = SECNamedCurves.getByName("secp256k1");
            ECDomainParameters ecParams = new ECDomainParameters(secnamecurves.getCurve(), secnamecurves.getG(),
                    secnamecurves.getN(), secnamecurves.getH());
            ECKeyGenerationParameters keyGenParam = new ECKeyGenerationParameters(ecParams, secureRandom);
            gen.init(keyGenParam);
            AsymmetricCipherKeyPair kp = gen.generateKeyPair();
            ECPrivateKeyParameters privatekey = (ECPrivateKeyParameters) kp.getPrivate();
            privateKey = privatekey.getD().toByteArray();
            length = privatekey.getD().toByteArray().length;
        } while (length != 32);
        return privateKey;
    }

    /**
     * @return 私钥
     * @description 生成私钥
     */
    public static String generatorPrivateKeyString() {
        byte[] generatorPrivateKey = generatorPrivateKey();
        ECKey eckey = ECKey.fromPrivate(generatorPrivateKey);
        return eckey.getPrivateKeyAsHex();
    }

    /**
     * @param privateKey 私钥
     * @return 公钥
     * @description 通过私钥生成公钥
     */
    public static String getHexPubKeyFromPrivKey(String privateKey) {
        ECKey eckey = ECKey.fromPrivate(HexUtil.fromHexString(privateKey));
        byte[] pubKey = eckey.getPubKey();
        String pubKeyStr = HexUtil.toHexString(pubKey);
        return pubKeyStr;
    }


    /**
     * 通过私钥生成YCC格式公钥
     *
     * @param privateKey
     * @return
     */
    public static BigInteger getHexPubKeyFromPrivKeyForYCC(String privateKey) {
        ECKeyPair keyPair = ECKeyPair.create(HexUtil.fromHexString(privateKey));
        BigInteger pubKeyStr = keyPair.getPublicKey();
        return pubKeyStr;
    }

    /**
     * 构造交易
     *
     * @param transaction
     * @return
     */
    public static byte[] encodeProtobuf(Transaction transaction) {
        TransactionAllProtobuf.Transaction.Builder builder = TransactionAllProtobuf.Transaction.newBuilder();

        builder.setExecer(ByteString.copyFrom(transaction.getExecer()));
        builder.setExpire(transaction.getExpire());
        builder.setFee(transaction.getFee());
        builder.setNonce(transaction.getNonce());
        builder.setPayload(ByteString.copyFrom(transaction.getPayload()));
        builder.setTo(transaction.getTo());
        builder.setChainID(transaction.getChainID());
        TransactionAllProtobuf.Transaction build = builder.build();
        byte[] byteArray = build.toByteArray();
        return byteArray;
    }

    /**
     * 构造带签名的交易
     *
     * @param transaction
     * @return
     */
    public static TransactionAllProtobuf.Transaction encodeProtobufWithSign2(Transaction transaction) {
        TransactionAllProtobuf.Transaction.Builder builder = TransactionAllProtobuf.Transaction.newBuilder();

        builder.setExecer(ByteString.copyFrom(transaction.getExecer()));
        builder.setExpire(transaction.getExpire());
        builder.setFee(transaction.getFee());
        builder.setNonce(transaction.getNonce());
        builder.setPayload(ByteString.copyFrom(transaction.getPayload()));
        builder.setTo(transaction.getTo());
        builder.setChainID(transaction.getChainID());

        TransactionAllProtobuf.Signature.Builder signatureBuilder = builder.getSignatureBuilder();
        signatureBuilder.setPubkey(ByteString.copyFrom(transaction.getSignature().getPubkey()));
        signatureBuilder.setTy(transaction.getSignature().getTy());
        signatureBuilder.setSignature(ByteString.copyFrom(transaction.getSignature().getSignature()));
        TransactionAllProtobuf.Signature signatureBuild = signatureBuilder.build();
        builder.setSignature(signatureBuild);
        TransactionAllProtobuf.Transaction build = builder.build();
        return build;
    }

    /**
     * 构造带签名的交易
     *
     * @param transaction
     * @return
     */
    public static byte[] encodeProtobufWithSign(Transaction transaction) {
        TransactionAllProtobuf.Transaction.Builder builder = TransactionAllProtobuf.Transaction.newBuilder();

        builder.setExecer(ByteString.copyFrom(transaction.getExecer()));
        builder.setExpire(transaction.getExpire());
        builder.setFee(transaction.getFee());
        builder.setNonce(transaction.getNonce());
        builder.setPayload(ByteString.copyFrom(transaction.getPayload()));
        builder.setTo(transaction.getTo());
        builder.setChainID(transaction.getChainID());

        TransactionAllProtobuf.Signature.Builder signatureBuilder = builder.getSignatureBuilder();
        signatureBuilder.setPubkey(ByteString.copyFrom(transaction.getSignature().getPubkey()));
        signatureBuilder.setTy(transaction.getSignature().getTy());
        signatureBuilder.setSignature(ByteString.copyFrom(transaction.getSignature().getSignature()));
        TransactionAllProtobuf.Signature signatureBuild = signatureBuilder.build();
        builder.setSignature(signatureBuild);
        TransactionAllProtobuf.Transaction build = builder.build();
        byte[] byteArray = build.toByteArray();
        return byteArray;
    }

    /**
     * 签名
     *
     * @param signType    签名类型
     * @param data        加密数据
     * @param privateKey  私钥
     * @param transaction 交易
     */
    private static void sign(SignType signType, byte[] data, byte[] privateKey, byte[] uid, Transaction transaction) {
        switch (signType) {
            case SECP256K1: {
                Signature btcCoinSign = btcCoinSign(data, privateKey);
                transaction.setSignature(btcCoinSign);
            }
            break;
            case ETH_SECP256K1: {
                Signature btcCoinSign = btcCoinSign(data, privateKey, signType);
                transaction.setSignature(btcCoinSign);
            }
            break;
            case SM2:
            case ETH_SM2: {
                SM2KeyPair keyPair = SM2Util.fromPrivateKey(privateKey);
                byte[] derSignBytes;
                try {
                    derSignBytes = SM2Util.sign(data, uid, keyPair);
                } catch (IOException e) {
                    break;
                }
                Signature signature = new Signature();
                signature.setPubkey(keyPair.getPublicKey().getEncoded(true));
                signature.setSignature(derSignBytes);
                signature.setTy(signType.getType());
                transaction.setSignature(signature);
            }
            break;

            case ED25519:
            case ETH_ED25519: {
                Ecc25519Helper helper1 = new Ecc25519Helper(privateKey);
                byte[] publicKey = helper1.getKeyHolder().getPublicKeySignature();
                byte[] sign = helper1.sign(data);
                Signature signature = new Signature();
                signature.setPubkey(publicKey);
                signature.setSignature(sign);
                signature.setTy(signType.getType());
                transaction.setSignature(signature);
            }
            break;

            default:
                break;
        }
    }

    private static Signature sign(byte[] data, byte[] privateKey, SignType signType) {
        byte[] sha256 = TransactionUtil.Sha256(data);
        Sha256Hash sha256Hash = Sha256Hash.wrap(sha256);
        ECKey ecKey = ECKey.fromPrivate(privateKey);
        ECKey.ECDSASignature ecdsas = ecKey.sign(sha256Hash);
        byte[] signByte = ecdsas.encodeToDER();
        Signature signature = new Signature();
        signature.setPubkey(ecKey.getPubKey());
        signature.setSignature(signByte);
        signature.setTy(signType.getType());
        return signature;
    }

    /**
     * @param privateKey 私钥
     * @param expire     秒数
     * @param txHex      上一步CreateNoBalanceTransaction生成的交易hash 16进制
     * @param index      是签名交易组，则为要签名的交易序号，从1开始，小于等于0则为签名组内全部交易
     * @return
     * @description 本地签名
     */
    public static String signRawTx(String privateKey, long expire, String txHex, Integer index) throws Exception {
        // 1.检查私钥是否存在 ->存在：->byte
        if (StringUtil.isEmpty(privateKey)) {
            throw new Exception("privateKey not Exist");
        }
        byte[] privKeyBytes = HexUtil.fromHexString(privateKey);
        RawTransactionProtobuf.Transaction.Builder txBuilder = RawTransactionProtobuf.Transaction.newBuilder();
        RawTransactionProtobuf.Transaction rawtransactionProtobuf = txBuilder.mergeFrom(HexUtil.fromHexString(txHex))
                .build();
        long changedExpire = getExpire(expire);
        txBuilder.setExpire(changedExpire);
        // 如果执行器为privacy 暂时不处理
        /*
         * if(Arrays.equals(ExecerPrivacy,rawtransactionProtobuf.getExecer().
         * toByteArray ())) { //signTxWithPrivacy }
         */
        int groupCount = rawtransactionProtobuf.getGroupCount();
        if (groupCount < 0 || groupCount == 1 || groupCount > 20) {
            throw new Exception("ErrTxGroupCount");
        } else if (groupCount > 0) {
            byte[] txsBytes = rawtransactionProtobuf.getHeader().toByteArray();
            RawTransactionProtobuf.Transactions.Builder txsBuilder = RawTransactionProtobuf.Transactions.newBuilder();
            RawTransactionProtobuf.Transactions txs = txsBuilder.mergeFrom(txsBytes).build();
            List<RawTransactionProtobuf.Transaction> txsList = txs.getTxsList();
            if (index > txsList.size()) {
                throw new Exception("ErrIndex");
            }
            if (index <= 0) {
                for (int i = 0; i < txsList.size(); i++) {
                    RawTransactionProtobuf.Transaction signTransactionsN = signTransactionsN(i, txsList, privKeyBytes);
                    txsList.set(i, signTransactionsN);
                }
                RawTransactionProtobuf.Transaction transaction = txsList.get(0);
                transaction.toBuilder().setHeader(ByteString.copyFrom(txs.toByteArray()));
                byte[] byteArray = transaction.toByteArray();
                String signHexString = HexUtil.toHexString(byteArray);
                return signHexString;
            }
            index--;
            RawTransactionProtobuf.Transaction signTransactionsN = signTransactionsN(index, txsList, privKeyBytes);
            txsList.set(index, signTransactionsN);
            RawTransactionProtobuf.Transaction transactionFirst = txsList.get(0);
            transactionFirst.toBuilder().setHeader(ByteString.copyFrom(txs.toByteArray()));
            byte[] byteArray = transactionFirst.toByteArray();
            String signHexString = HexUtil.toHexString(byteArray);
            return signHexString;
        } else {
            byte[] rawTxProtobufBytes = txBuilder.build().toByteArray();
            RawTransactionProtobuf.Signature signatureProtobuf = signRawTx(rawTxProtobufBytes, privKeyBytes, txBuilder);
            txBuilder.setSignature(signatureProtobuf);
            String signedTx = HexUtil.toHexString(txBuilder.build().toByteArray());
            return signedTx;
        }
    }

    private static RawTransactionProtobuf.Transaction signTransactionsN(int n,
                                                                        List<RawTransactionProtobuf.Transaction> transactionList, byte[] privKeyBytes) {
        RawTransactionProtobuf.Transaction.Builder newTxBuilder = transactionList.get(n).toBuilder();
        RawTransactionProtobuf.Signature txSignature = signRawTx(transactionList.get(n).toByteArray(), privKeyBytes,
                newTxBuilder);
        newTxBuilder.setSignature(txSignature);
        return newTxBuilder.build();
    }

    private static RawTransactionProtobuf.Signature signRawTx(byte[] data, byte[] privateKey,
                                                              RawTransactionProtobuf.Transaction.Builder txBuilder) {
        Signature btcCoinSign = btcCoinSign(data, privateKey);
        RawTransactionProtobuf.Signature.Builder signatureBuilder = RawTransactionProtobuf.Signature.newBuilder();
        signatureBuilder.setPubkey(ByteString.copyFrom(btcCoinSign.getPubkey()));
        signatureBuilder.setTy(btcCoinSign.getTy());
        signatureBuilder.setSignature(ByteString.copyFrom(btcCoinSign.getSignature()));
        RawTransactionProtobuf.Signature signatureProtuBuff = signatureBuilder.build();
        return signatureProtuBuff;
    }

    public static String addressToString(Address address) {
        if (StringUtil.isEmpty(address.getEnc58Str())) {
            byte[] ad = new byte[25];
            ad[0] = address.getVersion();
            for (int i = 1; i < 21; i++) {
                ad[i] = address.getHash160()[i - 1];
            }
            byte[] checkSum = getAddressSh(ad);
            address.setCheckSum(checkSum);
            for (int i = 21, j = 0; i < 25; i++, j++) {
                ad[i] = checkSum[j];
            }
            String Enc58Str = Base58Util.encode(ad);
            address.setEnc58Str(Enc58Str);
        }
        return address.getEnc58Str();
    }

    /**
     * @param sourceByte
     * @description 数据处理, sha256 2次
     */
    private static byte[] getAddressSh(byte[] sourceByte) {
        byte[] subByteArr = TransactionUtil.subByteArr(sourceByte, 0, 21);
        byte[] sha256_1 = TransactionUtil.Sha256(subByteArr);
        byte[] sha256_2 = TransactionUtil.Sha256(sha256_1);
        return sha256_2;
    }

    public static byte[] ripemd160(byte[] sourceByte) {
        byte[] hash = Ripemd160Util.getHash(sourceByte);
        return hash;
    }

    private static Signature btcCoinSign(byte[] data, byte[] privateKey) {
        byte[] sha256 = TransactionUtil.Sha256(data);
        Sha256Hash sha256Hash = Sha256Hash.wrap(sha256);
        ECKey ecKey = ECKey.fromPrivate(privateKey);
        ECKey.ECDSASignature ecdsas = ecKey.sign(sha256Hash);
        byte[] signByte = ecdsas.encodeToDER();
        Signature signature = new Signature();
        signature.setPubkey(ecKey.getPubKey());
        signature.setSignature(signByte);
        signature.setTy(SignType.SECP256K1.getType());
        return signature;
    }

    /**
     * 新增通用的比特币签名方法
     *
     * @param data
     * @param privateKey
     * @param signType   只支持secep256k1, eth_secep256k1
     * @return
     */
    private static Signature btcCoinSign(byte[] data, byte[] privateKey, SignType signType) {
        byte[] sha256 = TransactionUtil.Sha256(data);
        Sha256Hash sha256Hash = Sha256Hash.wrap(sha256);
        ECKey ecKey = ECKey.fromPrivate(privateKey);
        ECKey.ECDSASignature ecdsas = ecKey.sign(sha256Hash);
        byte[] signByte = ecdsas.encodeToDER();
        Signature signature = new Signature();
        signature.setPubkey(ecKey.getPubKey());
        signature.setSignature(signByte);
        signature.setTy(signType.getType());
        return signature;
    }


    public static TransactionAllProtobuf.Transaction decodeTxToProtobuf(DecodeRawTransaction unSignedTransaction,
                                                                        String execerAddress) {
        TransactionAllProtobuf.Transaction.Builder newBuilder = TransactionAllProtobuf.Transaction.newBuilder();
        newBuilder.setExecer(ByteString.copyFrom(unSignedTransaction.getExecer().getBytes()));
        newBuilder.setExpire(unSignedTransaction.getExpire());
        newBuilder.setFee(unSignedTransaction.getFee());
        newBuilder.setNonce(unSignedTransaction.getNonce());
        newBuilder.setPayload(ByteString.copyFrom(HexUtil.fromHexString(unSignedTransaction.getRawPayload())));
        if (StringUtil.isEmpty(execerAddress)) {
            newBuilder.setTo(unSignedTransaction.getTo());
        } else {
            newBuilder.setTo(execerAddress);
        }
        newBuilder.setHeader(ByteString.copyFrom(HexUtil.fromHexString(unSignedTransaction.getHeader())));
        newBuilder.setNonce(unSignedTransaction.getNonce());
        if (StringUtil.isNotEmpty(unSignedTransaction.getNext())) {
            newBuilder.setNext(ByteString.copyFrom(HexUtil.fromHexString(unSignedTransaction.getNext())));
        }
        if (unSignedTransaction.getPayload() == null) {
            newBuilder.setPayload(ByteString.copyFrom(HexUtil.fromHexString(unSignedTransaction.getRawPayload())));
        }
        if (unSignedTransaction.getGroupCount() != null) {
            newBuilder.setGroupCount(unSignedTransaction.getGroupCount());
        }
        TransactionAllProtobuf.Signature.Builder signatureBuilder = TransactionAllProtobuf.Signature.newBuilder();
        signatureBuilder.setTy(unSignedTransaction.getSignature().getTy());
        signatureBuilder
                .setPubkey(ByteString.copyFrom(HexUtil.fromHexString(unSignedTransaction.getSignature().getPubkey())));
        signatureBuilder.setSignature(
                ByteString.copyFrom(HexUtil.fromHexString(unSignedTransaction.getSignature().getSignature())));
        newBuilder.setSignature(signatureBuilder.build());
        return newBuilder.build();
    }

    /**
     * 重组并签名交易组
     *
     * @param decodeRawTransactions
     * @param execerAddress
     * @param fromAddressPriveteKey
     * @param withHoldPrivateKey
     * @return
     */
    public static String signDecodeTx(List<DecodeRawTransaction> decodeRawTransactions, String execerAddress,
                                      String fromAddressPriveteKey, String withHoldPrivateKey) {
        DecodeRawTransaction unSignedTransaction = null;
        DecodeRawTransaction signedSeconedTx = null;
        for (DecodeRawTransaction decodeRawTransaction2 : decodeRawTransactions) {
            if (StringUtil.isEmpty(decodeRawTransaction2.getSignature().getSignature())) {
                unSignedTransaction = decodeRawTransaction2;
            } else {
                signedSeconedTx = decodeRawTransaction2;
            }
        }
        // 签名none交易 用代扣地址签名

        TransactionAllProtobuf.Transaction noneTx = decodeTxToProtobuf(unSignedTransaction, null);
        TransactionAllProtobuf.Transaction unNoneTx = TransactionUtil.decodeTxToProtobuf(signedSeconedTx, execerAddress);
        TransactionAllProtobuf.Transaction.Builder unNoneTxBuilder = unNoneTx.toBuilder();

        String unNoneHash = TransactionUtil.getHash(unNoneTxBuilder.build(), execerAddress);

        TransactionAllProtobuf.Transaction.Builder noneBuilder = TransactionAllProtobuf.Transaction.newBuilder(noneTx);
        noneBuilder.setNext(ByteString.copyFrom(HexUtil.fromHexString(unNoneHash)));
        // noneBuilder.setGroupCount(2);
        String noneHash = TransactionUtil.getHash(noneBuilder.build());
        noneBuilder.setHeader(ByteString.copyFrom(HexUtil.fromHexString(noneHash)));

        unNoneTxBuilder.setHeader(ByteString.copyFrom(HexUtil.fromHexString(noneHash)));
        TransactionAllProtobuf.Transaction firstTxNew = unNoneTxBuilder.build();

        TransactionAllProtobuf.Transaction noneTxNew = noneBuilder.build();
        noneTxNew = TransactionUtil.signProbuf(noneTxNew, withHoldPrivateKey);
        firstTxNew = TransactionUtil.signProbuf(firstTxNew, fromAddressPriveteKey);

        // 创建交易组
        TransactionAllProtobuf.Transactions.Builder txsBuilder = TransactionAllProtobuf.Transactions.newBuilder();
        txsBuilder.addTxs(noneTxNew);
        txsBuilder.addTxs(firstTxNew);
        TransactionAllProtobuf.Transactions txs = txsBuilder.build();
        TransactionAllProtobuf.Transaction.Builder thirdBuilder = TransactionAllProtobuf.Transaction.newBuilder(noneTxNew);
        thirdBuilder.setHeader(ByteString.copyFrom(txs.toByteArray()));
        TransactionAllProtobuf.Transaction submitTx = thirdBuilder.build();
        String groupTx = HexUtil.toHexString(submitTx.toByteArray());
        return groupTx;
    }

    public static String getHash(TransactionAllProtobuf.Transaction transaction) {
        TransactionAllProtobuf.Transaction.Builder builder = TransactionAllProtobuf.Transaction.newBuilder();
        if (transaction.getPayload() != ByteString.EMPTY) {
            builder.setPayload(transaction.getPayload());
        }
        builder.setExecer(transaction.getExecer());
        builder.setFee(transaction.getFee());
        builder.setExpire(transaction.getExpire());
        builder.setNonce(transaction.getNonce());
        builder.setTo(transaction.getTo());
        builder.setGroupCount(transaction.getGroupCount());
        if (transaction.getNext() != ByteString.EMPTY) {
            builder.setNext(transaction.getNext());
        }
        TransactionAllProtobuf.Transaction build = builder.build();
        byte[] byteArray = build.toByteArray();
        return HexUtil.toHexString(Sha256(byteArray));
    }

    public static String getHash(TransactionAllProtobuf.Transaction transaction, String to) {
        TransactionAllProtobuf.Transaction.Builder builder = TransactionAllProtobuf.Transaction.newBuilder();
        if (transaction.getPayload() != ByteString.EMPTY) {
            builder.setPayload(transaction.getPayload());
        }
        builder.setExecer(transaction.getExecer());
        builder.setFee(transaction.getFee());
        builder.setExpire(0L);
        builder.setNonce(transaction.getNonce());
        if (!StringUtil.isEmpty(to)) {
            builder.setTo(to);
        } else {
            builder.setTo(transaction.getTo());
        }

        builder.setGroupCount(transaction.getGroupCount());
        if (transaction.getNext() != ByteString.EMPTY) {
            builder.setNext(transaction.getNext());
        }
        TransactionAllProtobuf.Transaction build = builder.build();
        byte[] byteArray = build.toByteArray();
        return HexUtil.toHexString(Sha256(byteArray));
    }

    /**
     * @param tx
     * @param privateKey
     * @return
     * @description 签名
     * @create 2020年1月9日 下午6:35:16
     */
    public static TransactionAllProtobuf.Transaction signProbuf(TransactionAllProtobuf.Transaction tx, String privateKey) {
        TransactionAllProtobuf.Transaction encodeTx = getSignProbuf(tx);
        byte[] protobufData = encodeTx.toByteArray();
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        Signature btcCoinSign = btcCoinSign(protobufData, privateKeyBytes);
        TransactionAllProtobuf.Transaction.Builder builder = tx.toBuilder();
        TransactionAllProtobuf.Signature.Builder signatureBuilder = TransactionAllProtobuf.Signature.newBuilder();
        signatureBuilder.setPubkey(ByteString.copyFrom(btcCoinSign.getPubkey()));
        signatureBuilder.setTy(btcCoinSign.getTy());
        signatureBuilder.setSignature(ByteString.copyFrom(btcCoinSign.getSignature())); // 序列化
        TransactionAllProtobuf.Transaction.Builder setSignature = builder.setSignature(signatureBuilder.build());
        return setSignature.build();
    }

    /**
     * 新增通用的交易签名方法
     *
     * @param tx
     * @param privateKey
     * @param signType   目前只支持secp256k1格式签名
     * @return
     */
    public static TransactionAllProtobuf.Transaction signedProtobufTx(TransactionAllProtobuf.Transaction tx, String privateKey, SignType signType) {
        byte[] protobufData = tx.toBuilder().clearSignature().build().toByteArray();
        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        Signature btcCoinSign = btcCoinSign(protobufData, privateKeyBytes, signType);
        TransactionAllProtobuf.Transaction.Builder builder = tx.toBuilder();
        TransactionAllProtobuf.Signature.Builder signatureBuilder = TransactionAllProtobuf.Signature.newBuilder();
        signatureBuilder.setPubkey(ByteString.copyFrom(btcCoinSign.getPubkey()));
        signatureBuilder.setTy(btcCoinSign.getTy());
        signatureBuilder.setSignature(ByteString.copyFrom(btcCoinSign.getSignature())); // 序列化
        return builder.setSignature(signatureBuilder.build()).build();
    }

    /**
     * @param tx
     * @return
     * @description 获取签名需要的protobuf
     * @author lgang
     * @create 2020年1月9日 下午6:35:30
     */
    public static TransactionAllProtobuf.Transaction getSignProbuf(TransactionAllProtobuf.Transaction tx) {
        TransactionAllProtobuf.Transaction.Builder builder = TransactionAllProtobuf.Transaction.newBuilder();
        builder.setExecer(tx.getExecer());
        builder.setExpire(tx.getExpire());
        builder.setFee(tx.getFee());
        builder.setNonce(tx.getNonce());
        builder.setPayload(tx.getPayload());
        builder.setTo(tx.getTo());
        builder.setChainID(tx.getChainID());
        if (tx.getNext() != null) {
            builder.setNext(tx.getNext());
        }
        if (tx.getHeader() != null) {
            builder.setHeader(tx.getHeader());
        }
        if (tx.getGroupCount() != 0) {
            builder.setGroupCount(tx.getGroupCount());
        }
        TransactionAllProtobuf.Transaction build = builder.build();
        return build;
    }

    /**
     * 创建并签名管理合约交易
     *
     * @param key
     * @param value
     * @param op    操作符，add或delete
     * @return
     */
    public static String createManage(String key, String value, String op, String privateKey, String execer) {
        Builder managerBuilder = ExecuterProtobuf.ModifyConfig.newBuilder();
        managerBuilder.setKey(key);
        managerBuilder.setValue(value);
        managerBuilder.setOp(op);
        cn.chain33.javasdk.model.protobuf.ManageProtobuf.ManageAction.Builder actionBuilder = ManageProtobuf.ManageAction.newBuilder();
        actionBuilder.setTy(0);
        actionBuilder.setModify(managerBuilder.build());
        ManageAction managerAction = actionBuilder.build();

        String createTxWithoutSign = TransactionUtil.createTxWithoutSign(execer.getBytes(), managerAction.toByteArray(),
                DEFAULT_FEE, 0);
        byte[] fromHexString = HexUtil.fromHexString(createTxWithoutSign);
        TransactionAllProtobuf.Transaction parseFrom = null;
        try {
            parseFrom = TransactionAllProtobuf.Transaction.parseFrom(fromHexString);
        } catch (InvalidProtocolBufferException e) {
            e.printStackTrace();
            return null;
        }
        TransactionAllProtobuf.Transaction signProbuf = signProbuf(parseFrom, privateKey);
        return HexUtil.toHexString(signProbuf.toByteArray());
    }


    /**
     * @param exec 执行器名称
     * @return
     * @description 将执行器名称转为地址
     */
    public static String convertExectoAddr(String exec) {
        String toAddress = getToAddress(exec.getBytes());
        return toAddress;
    }

    public static String getExecerAddress(String exec) {
        String toAddress = getToAddress(exec.getBytes());
        return toAddress;
    }

    /**
     * @param execer       user.p.xxx.token
     * @param name         token名称
     * @param symbol       tokenSymbol
     * @param introduction token介绍
     * @param total        发行总量,需要乘以10的8次方，比如要发行100个币，需要100*1e8
     * @param price        发行该token愿意承担的费用
     * @param owner        token地址拥有者
     * @param category     token属性类别， 0 为普通token， 1 可增发和燃烧
     * @param privateKey   超级管理员私钥
     * @return 交易
     * @description 本地构造 预创建积分交易
     */
    public static String createPrecreateTokenTx(String execer, String name, String symbol, String introduction,
                                                Long total, Long price, String owner, Integer category, String privateKey) {
        TokenActionProtoBuf.TokenPreCreate.Builder precreateBuilder = TokenActionProtoBuf.TokenPreCreate.newBuilder();
        precreateBuilder.setName(name);
        precreateBuilder.setSymbol(symbol);
        precreateBuilder.setIntroduction(introduction);
        precreateBuilder.setTotal(total);
        precreateBuilder.setPrice(price);
        precreateBuilder.setOwner(owner);
        precreateBuilder.setCategory(category);
        TokenPreCreate tokenPreCreate = precreateBuilder.build();
        TokenActionProtoBuf.TokenAction.Builder tokenActionBuilder = TokenActionProtoBuf.TokenAction.newBuilder();
        tokenActionBuilder.setTy(7);
        tokenActionBuilder.setTokenPreCreate(tokenPreCreate);
        TokenAction tokenAction = tokenActionBuilder.build();
        String createTxWithoutSign = TransactionUtil.createTxWithoutSign(execer.getBytes(), tokenAction.toByteArray(),
                DEFAULT_FEE, 0);
        byte[] fromHexString = HexUtil.fromHexString(createTxWithoutSign);
        TransactionAllProtobuf.Transaction parseFrom = null;
        try {
            parseFrom = TransactionAllProtobuf.Transaction.parseFrom(fromHexString);
        } catch (InvalidProtocolBufferException e) {
            e.printStackTrace();
            return null;
        }
        TransactionAllProtobuf.Transaction signProbuf = signProbuf(parseFrom, privateKey);
        return HexUtil.toHexString(signProbuf.toByteArray());
    }

    /**
     * @param symbol            token地址
     * @param execer            user.p.xxx.token
     * @param ownerAddr         token拥有者地址
     * @param managerPrivateKey 超级管理员私钥
     * @return 交易
     * @description 本地创建token完成交易
     */
    public static String createTokenFinishTx(String symbol, String execer, String ownerAddr, String managerPrivateKey) {
        TokenActionProtoBuf.TokenFinishCreate.Builder payloadBuilder = TokenActionProtoBuf.TokenFinishCreate
                .newBuilder();
        payloadBuilder.setSymbol(symbol);
        payloadBuilder.setOwner(ownerAddr);
        TokenFinishCreate tokenFinishCreate = payloadBuilder.build();
        TokenActionProtoBuf.TokenAction.Builder tokenActionBuilder = TokenActionProtoBuf.TokenAction.newBuilder();
        tokenActionBuilder.setTy(8);
        tokenActionBuilder.setTokenFinishCreate(tokenFinishCreate);
        TokenAction tokenAction = tokenActionBuilder.build();
        String createTxWithoutSign = TransactionUtil.createTxWithoutSign(execer.getBytes(), tokenAction.toByteArray(),
                DEFAULT_FEE, 0);
        byte[] fromHexString = HexUtil.fromHexString(createTxWithoutSign);
        TransactionAllProtobuf.Transaction parseFrom = null;
        try {
            parseFrom = TransactionAllProtobuf.Transaction.parseFrom(fromHexString);
        } catch (InvalidProtocolBufferException e) {
            e.printStackTrace();
        }
        TransactionAllProtobuf.Transaction signProbuf = TransactionUtil.signProbuf(parseFrom, managerPrivateKey);
        String hexString = HexUtil.toHexString(signProbuf.toByteArray());
        return hexString;
    }

    /**
     * @param privateKey
     * @param toAddress
     * @param execer
     * @param amount
     * @param coinToken
     * @param note
     * @return
     * @description 本地创建并签名token转账交易
     */
    public static String createTokenTransferTx(String privateKey, String toAddress, String execer, Long amount, String coinToken, String note) {

        byte[] payload = createtTokenTransferPayLoad(toAddress, amount, coinToken, note);

        byte[] privateKeyBytes = HexUtil.fromHexString(privateKey);
        return createTxMain(privateKeyBytes, toAddress, execer.getBytes(), payload, DEFAULT_SIGNTYPE, DEFAULT_FEE);
    }

    /**
     * @param to        目标地址
     * @param amount    数量
     * @param coinToken token symbol
     * @param note      备注，没有为""
     * @return payload
     * @description 本地创建token转账payload
     */
    public static byte[] createtTokenTransferPayLoad(String to, Long amount, String coinToken, String note) {
        TokenActionProtoBuf.AssetsTransfer.Builder assetsTransferBuilder = TokenActionProtoBuf.AssetsTransfer.newBuilder();
        assetsTransferBuilder.setCointoken(coinToken);
        assetsTransferBuilder.setAmount(amount);
        try {
            assetsTransferBuilder.setNote(ByteString.copyFrom(note, "utf-8"));
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        assetsTransferBuilder.setTo(to);
        cn.chain33.javasdk.model.protobuf.TokenActionProtoBuf.AssetsTransfer assetsTransfer = assetsTransferBuilder.build();
        TokenActionProtoBuf.TokenAction.Builder tokenActionBuilder = TokenActionProtoBuf.TokenAction.newBuilder();
        tokenActionBuilder.setTy(4);
        tokenActionBuilder.setTransfer(assetsTransfer);
        TokenAction tokenAction = tokenActionBuilder.build();
        byte[] payload = tokenAction.toByteArray();
        return payload;
    }

    /**
     * 创建交易,不签名 默认使用比特币seck256K1
     *
     * @param execer  执行器名称
     * @param payLoad 内容
     * @return
     */
    public static String createTxWithoutSign(String execer, String payLoad) {
        return createTxWithoutSign(execer.getBytes(), payLoad.getBytes(), DEFAULT_FEE, 0);
    }

    /**
     * 创建没有签名的交易
     *
     * @param execer
     * @param payLoad
     * @param fee
     * @param txHeight
     * @return
     */
    public static String createTxWithoutSign(byte[] execer, byte[] payLoad, long fee, long txHeight) {
        Transaction transaction = new Transaction();
        transaction.setExecer(execer);
        transaction.setPayload(payLoad);
        transaction.setFee(fee);
        transaction.setExpire(TX_HEIGHT_OFFSET + txHeight);
        transaction.setNonce(TransactionUtil.getRandomNonce());
        // 计算To
        String toAddress = getToAddress(execer);
        transaction.setTo(toAddress);
        // 签名
        byte[] protobufData = encodeProtobuf(transaction);

        // 序列化
        String transactionStr = HexUtil.toHexString(protobufData);
        return transactionStr;
    }

    /**
     * 构建通用的签过名/或者未签名的交易方法
     *
     * @param execer
     * @param payLoad
     * @param privateKey  为空或者空字符串时，表示构建未签名交易
     * @param signType
     * @param addressType
     * @param chainID
     * @param fee
     * @param paraName
     * @return
     */
    public static String buildTx(String execer, byte[] payLoad, String privateKey, SignType signType, AddressType addressType, int chainID, long fee, String paraName) {
        TransactionAllProtobuf.Transaction.Builder txBuilder = TransactionAllProtobuf.Transaction.newBuilder();
        txBuilder.setExecer(ByteString.copyFrom((paraName + execer).getBytes()));
        txBuilder.setFee(fee);
        txBuilder.setNonce(TransactionUtil.getRandomNonce());
        txBuilder.setPayload(ByteString.copyFrom(payLoad));
        txBuilder.setTo(AddressUtil.getToAddress((paraName + execer).getBytes(), addressType));
        txBuilder.setChainID(chainID);
        TransactionAllProtobuf.Transaction tx = txBuilder.build();
        if (privateKey.isEmpty()) {
            return HexUtil.toHexString(tx.toByteArray());
        }
        TransactionAllProtobuf.Transaction signProbuf = TransactionUtil.signedProtobufTx(tx, privateKey, signType);
        String hexString = HexUtil.toHexString(signProbuf.toByteArray());
        return hexString;
    }

    /**
     * 解析逾期字符串
     *
     * @param expire
     * @return
     */
    public static long parseExpire(String expire) throws Exception {
        if (expire.isEmpty()) {
            throw new Exception("ErrInvalidParam");
        }

        if (expire.charAt(0) == 'H' && expire.charAt(1) == ':') {
            long txHeight = Long.parseLong(expire.substring(2, expire.length() - 1));
            if (txHeight <= 0) {
                throw new Exception("ErrHeightLessZero");
            }
            //溢出
            if (txHeight + TX_HEIGHT_OFFSET < txHeight) {
                throw new Exception("ErrHeightOverflow");
            }
            return txHeight + TX_HEIGHT_OFFSET;
        }
        try {
            long blockHeight = Long.parseLong(expire);
            return blockHeight;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return Duration.parse(expire).getNano();
    }

    /**
     * 构建代扣交易组
     *
     * @param tx
     * @param withHoldPrivateKey
     * @param fromAddressPrivateKey
     * @param signType
     * @param addressType
     * @param chainID
     * @param feeRate
     * @param paraName
     * @return
     * @throws Exception
     */
    @Deprecated
    public static String createNoBalanceTx(TransactionAllProtobuf.Transaction tx, String withHoldPrivateKey, String fromAddressPrivateKey, SignType signType, AddressType addressType, int chainID, long feeRate, String paraName) throws Exception {
        TransactionAllProtobuf.Transaction.Builder builder = TransactionAllProtobuf.Transaction.newBuilder();
        builder.setExecer(ByteString.copyFrom((paraName + "none").getBytes()));
        builder.setPayload(ByteString.copyFrom("no-fee-transaction".getBytes()));
        builder.setTo(AddressUtil.getToAddress((paraName + "none").getBytes(), addressType));
        builder.setChainID(chainID);
        builder.setFee(feeRate);
        builder.setNonce(getRandomNonce());
        builder.setExpire(0);
        ArrayList<TransactionAllProtobuf.Transaction> list = new ArrayList<TransactionAllProtobuf.Transaction>();
        list.add(builder.build());
        list.add(tx);
        TransactionAllProtobuf.Transactions txs = createTxGroup(list, feeRate);
        TransactionAllProtobuf.Transactions.Builder txsBuiler = txs.toBuilder();
        for (int i = 0; i < txs.getTxsCount(); i++) {
            if (i == 0) {
                txsBuiler.setTxs(i, signedProtobufTx(txs.getTxs(i), withHoldPrivateKey, signType));
                continue;
            }
            txsBuiler.setTxs(i, signedProtobufTx(txs.getTxs(i), fromAddressPrivateKey, signType));
        }
        tx = getTxFromTxGroup(txsBuiler.build());
        return HexUtil.toHexString(tx.toByteArray());
    }

    /**
     * 构建YCC代扣交易组
     *
     * @param tx
     * @param withHoldPrivateKey
     * @param fromAddressPrivateKey
     * @param feeRate
     * @param paraName
     * @return
     * @throws Exception
     */
    @Deprecated
    public static String createNoBalanceTxForYCC(TransactionAllProtobuf.Transaction tx, String withHoldPrivateKey, String fromAddressPrivateKey, long feeRate, String paraName) throws Exception {
        TransactionAllProtobuf.Transaction.Builder builder = TransactionAllProtobuf.Transaction.newBuilder();
        builder.setExecer(ByteString.copyFrom((paraName + "none").getBytes()));
        builder.setPayload(ByteString.copyFrom("no-fee-transaction".getBytes()));
        builder.setTo(AddressUtil.getToAddress((paraName + "none").getBytes(), AddressType.ETH_ADDRESS));
        builder.setChainID(999);
        builder.setFee(feeRate);
        builder.setNonce(getRandomNonce());
        builder.setExpire(0);
        ArrayList<TransactionAllProtobuf.Transaction> list = new ArrayList<TransactionAllProtobuf.Transaction>();
        tx = tx.toBuilder().setChainID(999).build();
        list.add(builder.build());
        list.add(tx);
        TransactionAllProtobuf.Transactions txs = createTxGroup(list, feeRate);
        TransactionAllProtobuf.Transactions.Builder txsBuiler = txs.toBuilder();
        for (int i = 0; i < txs.getTxsCount(); i++) {
            if (i == 0) {
                txsBuiler.setTxs(i, signedProtobufTx(txs.getTxs(i), withHoldPrivateKey, SignType.ETH_SECP256K1));
                continue;
            }
            txsBuiler.setTxs(i, signedProtobufTx(txs.getTxs(i), fromAddressPrivateKey, SignType.ETH_SECP256K1));
        }
        tx = getTxFromTxGroup(txsBuiler.build());
        return HexUtil.toHexString(tx.toByteArray());
    }


    /**
     * 构建代扣交易组,支持多笔交易代扣
     *
     * @param withHoldPrivateKey
     * @param fromAddressPrivateKey
     * @param signType
     * @param addressType
     * @param chainID
     * @param feeRate
     * @param paraName
     * @param txs
     * @return
     * @throws Exception
     */
    public static String createNoBalanceTx(String withHoldPrivateKey, String fromAddressPrivateKey, SignType signType, AddressType addressType, int chainID, long feeRate, String paraName, TransactionAllProtobuf.Transaction... txs) throws Exception {
        TransactionAllProtobuf.Transaction.Builder builder = TransactionAllProtobuf.Transaction.newBuilder();
        builder.setExecer(ByteString.copyFrom((paraName + "none").getBytes()));
        builder.setPayload(ByteString.copyFrom("no-fee-transaction".getBytes()));
        builder.setTo(AddressUtil.getToAddress((paraName + "none").getBytes(), addressType));
        builder.setChainID(chainID);
        builder.setFee(feeRate);
        builder.setNonce(getRandomNonce());
        builder.setExpire(0);
        ArrayList<TransactionAllProtobuf.Transaction> list = new ArrayList<TransactionAllProtobuf.Transaction>();
        list.add(builder.build());
        for (int i = 0; i < txs.length; i++) {
            list.add(txs[i].toBuilder().setChainID(chainID).build());
        }
        TransactionAllProtobuf.Transactions txGroup = createTxGroup(list, feeRate);
        TransactionAllProtobuf.Transactions.Builder txsBuiler = txGroup.toBuilder();
        for (int i = 0; i < txGroup.getTxsCount(); i++) {
            if (i == 0) {
                txsBuiler.setTxs(i, signedProtobufTx(txGroup.getTxs(i), withHoldPrivateKey, signType));
                continue;
            }
            txsBuiler.setTxs(i, signedProtobufTx(txGroup.getTxs(i), fromAddressPrivateKey, signType));
        }
        TransactionAllProtobuf.Transaction tx = getTxFromTxGroup(txsBuiler.build());
        return HexUtil.toHexString(tx.toByteArray());
    }

    /**
     * 构建YCC代扣交易组,支持多笔交易代扣
     *
     * @param withHoldPrivateKey
     * @param fromAddressPrivateKey
     * @param feeRate
     * @param paraName
     * @param txs
     * @return
     * @throws Exception
     */
    public static String createNoBalanceTxForYCC(String withHoldPrivateKey, String fromAddressPrivateKey, long feeRate, String paraName, TransactionAllProtobuf.Transaction... txs) throws Exception {
        return createNoBalanceTx(withHoldPrivateKey,fromAddressPrivateKey,SignType.ETH_SECP256K1,AddressType.ETH_ADDRESS,999,feeRate,paraName,txs);
    }


    /**
     * @param expire
     * @return
     * @description 获取逾期值
     */
    public static long toExpire(long expire) {
        if (expire > TX_HEIGHT_OFFSET) {
            return expire;
        } else if (expire > EXPIREBOUND) {
            if (expire < SECOND * 120) {
                expire = SECOND * 120;
            }
            expire = System.currentTimeMillis() / 1000 + expire / SECOND;
            return expire;
        } else {
            return expire;
        }

    }

    public static byte[] getTxHash(TransactionAllProtobuf.Transaction tx) throws InvalidProtocolBufferException {
        return HashUtil.sha256(TransactionAllProtobuf.Transaction.parseFrom(tx.toByteArray()).toBuilder().clearHeader().clearSignature().build().toByteArray());
    }

    /**
     * 构建交易组
     *
     * @param txs
     * @param feeRate
     * @return
     */
    public static TransactionAllProtobuf.Transactions createTxGroup(List<TransactionAllProtobuf.Transaction> txs, long feeRate) throws Exception {
        if (txs.size() < 2) {
            throw new Exception("ErrTxGroupCountLessThanTwo");
        }
        TransactionAllProtobuf.Transactions.Builder builder = TransactionAllProtobuf.Transactions.newBuilder();
        List<TransactionAllProtobuf.Transaction.Builder> builderList = new ArrayList<TransactionAllProtobuf.Transaction.Builder>();
        for (int i = 0; i < txs.size(); i++) {
            builderList.add(txs.get(i).toBuilder());
        }
        long totalFee = 0;
        long minFee = 0;
        byte[] header = getTxHash(txs.get(0));
        for (int i = txs.size() - 1; i >= 0; i--) {
            builderList.get(i).setGroupCount(txs.size());
            totalFee += txs.get(i).getFee();
            builderList.get(i).clearSignature().setHeader(ByteString.copyFrom(header));
            if (i == 0) {
                builderList.get(i).setFee(1 << 62);
            } else {
                builderList.get(i).setFee(0);
            }
            long realFee = getRealFee(builderList.get(i).build(), feeRate);
            minFee += realFee;
            if (i == 0) {
                if (totalFee < minFee) {
                    totalFee = minFee;
                }
                builderList.get(i).setFee(totalFee);
                header = getTxHash(builderList.get(i).build());
            } else {
                builderList.get(i).setFee(0);
                builderList.get(i - 1).setNext(ByteString.copyFrom(getTxHash(builderList.get(i).build())));
            }

        }
        for (int i = 0; i < txs.size(); i++) {
            builderList.get(i).setHeader(ByteString.copyFrom(header));
        }
        for (int i = 0; i < txs.size(); i++) {
            builder.addTxs(builderList.get(i).build());
        }
        return builder.build();
    }

    public static TransactionAllProtobuf.Transaction getTxFromTxGroup(TransactionAllProtobuf.Transactions txs) throws Exception {
        if (txs.getTxsCount() < 2) {
            throw new Exception("ErrInvalidParam");
        }
        TransactionAllProtobuf.Transaction headerTx = txs.getTxs(0);
        //利用序列化进行深拷贝
        //不会影响原来的tx
        TransactionAllProtobuf.Transaction copytx = TransactionAllProtobuf.Transaction.parseFrom(headerTx.toByteArray());
        //放到header中不影响交易的Hash
        return copytx.toBuilder().setHeader(ByteString.copyFrom(txs.toByteArray())).build();
    }

    public static long getRealFee(TransactionAllProtobuf.Transaction tx, long minFeeRate) throws Exception {
        int txSize = tx.toByteArray().length;
        //如果签名为空，那么加上签名的空间
        if (tx.getSignature() == null) {
            txSize += 300;
        }
        if (txSize > MAXTXSIZE) {
            throw new Exception("ErrTxMsgSizeTooBig");
        }
        // 检查交易费是否小于最低值
        long realFee = (txSize / 1000 + 1) * minFeeRate;
        return realFee;
    }

    public static TransactionAllProtobuf.Transactions getTxGroup(TransactionAllProtobuf.Transaction transaction) throws Exception {
        int groupCount = transaction.getGroupCount();
        if (groupCount < 0 || groupCount == 1 || groupCount > 20) {
            throw new Exception("ErrTxGroupCount");
        } else if (groupCount > 0) {
            TransactionAllProtobuf.Transactions txs = TransactionAllProtobuf.Transactions.parseFrom(transaction.getHeader().toByteArray());
            return txs;
        } else if (!transaction.getNext().isEmpty() || !transaction.getHeader().isEmpty()) {
            throw new Exception("ErrNomalTx");
        }
        return null;
    }


    /**
     * 交易组签名（这块后面要统一重构）
     *
     * @param transaction
     * @param privateKey
     * @param signType
     * @param expire
     * @param index
     * @return
     * @throws Exception
     */
    public static String signProtoBufTxs(TransactionAllProtobuf.Transaction transaction, String privateKey, SignType signType, long expire, Integer index) throws Exception {
        // 1.检查私钥是否存在 ->存在：->byte
        if (StringUtil.isEmpty(privateKey)) {
            throw new Exception("privateKey not Exist");
        }
        TransactionAllProtobuf.Transaction.Builder txBuilder = transaction.toBuilder();
        long changedExpire = getExpire(expire);
        txBuilder.setExpire(changedExpire);

        TransactionAllProtobuf.Transactions txs = getTxGroup(transaction);
        if (txs == null) {
            //普通交易签名
            TransactionAllProtobuf.Transaction tx = signedProtobufTx(transaction, privateKey, signType);
            return HexUtil.toHexString(tx.toByteArray());
        }

        if (index > txs.getTxsCount()) {
            throw new Exception("ErrIndex");
        }
        //重构txgroup
        TransactionAllProtobuf.Transactions.Builder txsBuiler = txs.toBuilder();
        if (index <= 0) {
            for (int i = 0; i < txs.getTxsCount(); i++) {
                TransactionAllProtobuf.Transaction signedTx = signedProtobufTx(txs.getTxs(i), privateKey, signType);
                txsBuiler.setTxs(i, signedTx);
            }
            return HexUtil.toHexString(getTxFromTxGroup(txsBuiler.build()).toByteArray());
        }
        index--;
        TransactionAllProtobuf.Transaction signedTx = signedProtobufTx(txs.getTxs(index), privateKey, signType);
        txsBuiler.setTxs(index, signedTx);
        return HexUtil.toHexString(getTxFromTxGroup(txsBuiler.build()).toByteArray());
    }
}