Examples with ECKey io.nuls.core.tools.crypto.ECKey used on opensource projects

Example 36 with ECKey

use of io.nuls.core.tools.crypto.ECKey in project nuls by nuls-io.

the class AliasService method setMutilAlias.

/**
 * 多签账户设置别名
 * Initiate a transaction to set alias.
 *
 * @param addr      Address of account
 * @param password  password of account
 * @param aliasName the alias to set
 * @return txhash
 */
public Result<String> setMutilAlias(String addr, String signAddr, String aliasName, String password, List<String> pubKeys, int m, String txdata) {
    // 签名账户
    Account account = accountService.getAccount(signAddr).getData();
    if (null == account) {
        return Result.getFailed(AccountErrorCode.ACCOUNT_NOT_EXIST);
    }
    if (account.isEncrypted() && account.isLocked()) {
        if (!account.validatePassword(password)) {
            return Result.getFailed(AccountErrorCode.PASSWORD_IS_WRONG);
        }
    }
    try {
        AliasTransaction tx = new AliasTransaction();
        TransactionSignature transactionSignature = new TransactionSignature();
        List<P2PHKSignature> p2PHKSignatures = new ArrayList<>();
        List<Script> scripts = new ArrayList<>();
        byte[] addressBytes = AddressTool.getAddress(addr);
        // 如果txdata为空则表示当前请求为多签发起者调用，需要创建交易
        if (txdata == null || txdata.trim().length() == 0) {
            if (!StringUtils.validAlias(aliasName)) {
                return Result.getFailed(AccountErrorCode.ALIAS_FORMAT_WRONG);
            }
            if (!isAliasUsable(aliasName)) {
                return Result.getFailed(AccountErrorCode.ALIAS_EXIST);
            }
            // 创建一笔设置别名的交易
            tx = new AliasTransaction();
            Script redeemScript = ScriptBuilder.createNulsRedeemScript(m, pubKeys);
            tx.setTime(TimeService.currentTimeMillis());
            Alias alias = new Alias(addressBytes, aliasName);
            tx.setTxData(alias);
            // 交易签名的长度为m*单个签名长度+赎回脚本长度
            int scriptSignLenth = redeemScript.getProgram().length + m * 72;
            CoinDataResult coinDataResult = accountLedgerService.getMutilCoinData(addressBytes, AccountConstant.ALIAS_NA, tx.size() + scriptSignLenth, TransactionFeeCalculator.OTHER_PRICE_PRE_1024_BYTES);
            if (!coinDataResult.isEnough()) {
                return Result.getFailed(AccountErrorCode.INSUFFICIENT_BALANCE);
            }
            CoinData coinData = new CoinData();
            coinData.setFrom(coinDataResult.getCoinList());
            Coin change = coinDataResult.getChange();
            if (null != change) {
                // 创建toList
                List<Coin> toList = new ArrayList<>();
                toList.add(change);
                coinData.setTo(toList);
            }
            Coin coin = new Coin(NulsConstant.BLACK_HOLE_ADDRESS, Na.parseNuls(1), 0);
            coinData.addTo(coin);
            tx.setCoinData(coinData);
            tx.setHash(NulsDigestData.calcDigestData(tx.serializeForHash()));
            // 将赎回脚本先存储在签名脚本中
            scripts.add(redeemScript);
            transactionSignature.setScripts(scripts);
        } else // 如果txdata不为空表示多签交易已经创建好了，将交易反序列化出来
        {
            byte[] txByte = Hex.decode(txdata);
            tx.parse(new NulsByteBuffer(txByte));
            transactionSignature.parse(new NulsByteBuffer(tx.getTransactionSignature()));
            p2PHKSignatures = transactionSignature.getP2PHKSignatures();
            scripts = transactionSignature.getScripts();
        }
        // 使用签名账户对交易进行签名
        P2PHKSignature p2PHKSignature = new P2PHKSignature();
        ECKey eckey = account.getEcKey(password);
        p2PHKSignature.setPublicKey(eckey.getPubKey());
        // 用当前交易的hash和账户的私钥账户
        p2PHKSignature.setSignData(accountService.signDigest(tx.getHash().getDigestBytes(), eckey));
        p2PHKSignatures.add(p2PHKSignature);
        Result result = txMutilProcessing(tx, p2PHKSignatures, scripts, transactionSignature, addressBytes);
        return result;
    } catch (Exception e) {
        Log.error(e);
        return Result.getFailed(KernelErrorCode.SYS_UNKOWN_EXCEPTION);
    }
}

Example 37 with ECKey

use of io.nuls.core.tools.crypto.ECKey in project nuls by nuls-io.

the class AliasService method setAlias.

/**
 * 设置别名
 * Initiate a transaction to set alias.
 *
 * @param addr      Address of account
 * @param password  password of account
 * @param aliasName the alias to set
 * @return txhash
 */
public Result<String> setAlias(String addr, String aliasName, String password) {
    if (!AddressTool.validAddress(addr)) {
        return Result.getFailed(AccountErrorCode.ADDRESS_ERROR);
    }
    Account account = accountService.getAccount(addr).getData();
    if (null == account) {
        return Result.getFailed(AccountErrorCode.ACCOUNT_NOT_EXIST);
    }
    if (account.isEncrypted() && account.isLocked()) {
        if (!account.validatePassword(password)) {
            return Result.getFailed(AccountErrorCode.PASSWORD_IS_WRONG);
        }
    }
    if (!account.isOk()) {
        return Result.getFailed(AccountErrorCode.IMPORTING_ACCOUNT);
    }
    if (StringUtils.isNotBlank(account.getAlias())) {
        return Result.getFailed(AccountErrorCode.ACCOUNT_ALREADY_SET_ALIAS);
    }
    if (!StringUtils.validAlias(aliasName)) {
        return Result.getFailed(AccountErrorCode.ALIAS_FORMAT_WRONG);
    }
    if (!isAliasUsable(aliasName)) {
        return Result.getFailed(AccountErrorCode.ALIAS_EXIST);
    }
    byte[] addressBytes = account.getAddress().getAddressBytes();
    try {
        // 创建一笔设置别名的交易
        AliasTransaction tx = new AliasTransaction();
        tx.setTime(TimeService.currentTimeMillis());
        Alias alias = new Alias(addressBytes, aliasName);
        tx.setTxData(alias);
        CoinDataResult coinDataResult = accountLedgerService.getCoinData(addressBytes, AccountConstant.ALIAS_NA, tx.size(), TransactionFeeCalculator.OTHER_PRICE_PRE_1024_BYTES);
        if (!coinDataResult.isEnough()) {
            return Result.getFailed(AccountErrorCode.INSUFFICIENT_BALANCE);
        }
        CoinData coinData = new CoinData();
        coinData.setFrom(coinDataResult.getCoinList());
        Coin change = coinDataResult.getChange();
        if (null != change) {
            // 创建toList
            List<Coin> toList = new ArrayList<>();
            toList.add(change);
            coinData.setTo(toList);
        }
        Coin coin = new Coin(NulsConstant.BLACK_HOLE_ADDRESS, AccountConstant.ALIAS_NA, 0);
        coinData.addTo(coin);
        tx.setCoinData(coinData);
        tx.setHash(NulsDigestData.calcDigestData(tx.serializeForHash()));
        // 生成签名
        List<ECKey> signEckeys = new ArrayList<>();
        List<ECKey> scriptEckeys = new ArrayList<>();
        ;
        ECKey eckey = account.getEcKey(password);
        // 如果最后一位为1则表示该交易包含普通签名
        if ((coinDataResult.getSignType() & 0x01) == 0x01) {
            signEckeys.add(eckey);
        }
        // 如果倒数第二位位为1则表示该交易包含脚本签名
        if ((coinDataResult.getSignType() & 0x02) == 0x02) {
            scriptEckeys.add(eckey);
        }
        SignatureUtil.createTransactionSignture(tx, scriptEckeys, signEckeys);
        Result saveResult = accountLedgerService.verifyAndSaveUnconfirmedTransaction(tx);
        if (saveResult.isFailed()) {
            if (KernelErrorCode.DATA_SIZE_ERROR.getCode().equals(saveResult.getErrorCode().getCode())) {
                // 重新算一次交易(不超出最大交易数据大小下)的最大金额
                Result rs = accountLedgerService.getMaxAmountOfOnce(account.getAddress().getAddressBytes(), tx, TransactionFeeCalculator.OTHER_PRICE_PRE_1024_BYTES);
                if (rs.isSuccess()) {
                    Na maxAmount = (Na) rs.getData();
                    rs = Result.getFailed(KernelErrorCode.DATA_SIZE_ERROR_EXTEND);
                    rs.setMsg(rs.getMsg() + maxAmount.toDouble());
                }
                return rs;
            }
            return saveResult;
        }
        this.transactionService.newTx(tx);
        Result sendResult = this.transactionService.broadcastTx(tx);
        if (sendResult.isFailed()) {
            accountLedgerService.deleteTransaction(tx);
            return sendResult;
        }
        String hash = tx.getHash().getDigestHex();
        return Result.getSuccess().setData(hash);
    } catch (Exception e) {
        Log.error(e);
        return Result.getFailed(KernelErrorCode.SYS_UNKOWN_EXCEPTION);
    }
}

Example 38 with ECKey

use of io.nuls.core.tools.crypto.ECKey in project nuls by nuls-io.

the class AccountResource method setPassword.

@POST
@Path("/offline/password/")
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "[设密码] 设置离线账户密码")
@ApiResponses(value = { @ApiResponse(code = 200, message = "success", response = RpcClientResult.class) })
public RpcClientResult setPassword(@ApiParam(name = "form", value = "设置离线账户密码表单数据", required = true) OfflineAccountPasswordForm form) {
    String address = form.getAddress();
    String priKey = form.getPriKey();
    String password = form.getPassword();
    if (StringUtils.isBlank(address) || !AddressTool.validAddress(address)) {
        return Result.getFailed(AccountErrorCode.ADDRESS_ERROR).toRpcClientResult();
    }
    if (StringUtils.isBlank(priKey) || !ECKey.isValidPrivteHex(priKey)) {
        return Result.getFailed(AccountErrorCode.PARAMETER_ERROR).toRpcClientResult();
    }
    if (StringUtils.isBlank(password) || !StringUtils.validPassword(password)) {
        return Result.getFailed(AccountErrorCode.PASSWORD_FORMAT_WRONG).toRpcClientResult();
    }
    // 验证地址是否正确
    ECKey key = ECKey.fromPrivate(new BigInteger(1, Hex.decode(priKey)));
    try {
        String newAddress = AccountTool.newAddress(key).getBase58();
        if (!newAddress.equals(address)) {
            return Result.getFailed(AccountErrorCode.ADDRESS_ERROR).toRpcClientResult();
        }
    } catch (NulsException e) {
        return Result.getFailed(AccountErrorCode.ADDRESS_ERROR).toRpcClientResult();
    }
    try {
        Account account = AccountTool.createAccount(priKey);
        account.encrypt(password);
        Map<String, String> map = new HashMap<>();
        map.put("value", Hex.encode(account.getEncryptedPriKey()));
        return Result.getSuccess().setData(map).toRpcClientResult();
    } catch (NulsException e) {
        return Result.getFailed(AccountErrorCode.FAILED).toRpcClientResult();
    }
}

Example 39 with ECKey

use of io.nuls.core.tools.crypto.ECKey in project nuls by nuls-io.

the class AccountResource method importAccountByPriKey.

@POST
@Path("/import/pri")
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "[导入] 根据私钥导入账户", notes = "返回账户地址")
@ApiResponses(value = { @ApiResponse(code = 200, message = "success", response = RpcClientResult.class) })
public RpcClientResult importAccountByPriKey(@ApiParam(name = "form", value = "导入账户表单数据", required = true) AccountPriKeyPasswordForm form) {
    if (null == form || null == form.getOverwrite()) {
        return Result.getFailed(AccountErrorCode.PARAMETER_ERROR).toRpcClientResult();
    }
    String priKey = form.getPriKey();
    if (!ECKey.isValidPrivteHex(priKey)) {
        return Result.getFailed(AccountErrorCode.PARAMETER_ERROR).toRpcClientResult();
    }
    if (!form.getOverwrite()) {
        ECKey key = null;
        try {
            key = ECKey.fromPrivate(new BigInteger(1, Hex.decode(form.getPriKey())));
        } catch (Exception e) {
            return Result.getFailed(AccountErrorCode.PARAMETER_ERROR).toRpcClientResult();
        }
        Address address = new Address(NulsContext.getInstance().getDefaultChainId(), NulsContext.DEFAULT_ADDRESS_TYPE, SerializeUtils.sha256hash160(key.getPubKey()));
        Account account = accountService.getAccount(address).getData();
        if (null != account) {
            return Result.getFailed(AccountErrorCode.ACCOUNT_EXIST).toRpcClientResult();
        }
    }
    String password = form.getPassword();
    if (StringUtils.isNotBlank(password) && !StringUtils.validPassword(password)) {
        return Result.getFailed(AccountErrorCode.PASSWORD_IS_WRONG).toRpcClientResult();
    }
    Result result = accountService.importAccount(priKey, password);
    if (result.isSuccess()) {
        Account account = (Account) result.getData();
        Map<String, String> map = new HashMap<>();
        map.put("value", account.getAddress().toString());
        result.setData(map);
    }
    return result.toRpcClientResult();
}

Example 40 with ECKey

use of io.nuls.core.tools.crypto.ECKey in project nuls by nuls-io.

the class AccountServiceImpl method verifyMessageSignature.

/**
 * @auther EdwardChan
 *
 * @since Mar. 20th 2019
 *
 * 验证消息签名是否正确
 *
 * @param address 需要验证的地址
 *
 * @param message 消息
 *
 * @param signatureBase64 签名值
 *
 * @return 如果签名验证通过返回true,如果签名验证失败返回false
 */
@Override
public Result<Boolean> verifyMessageSignature(String address, String message, String signatureBase64) throws SignatureException {
    boolean result = false;
    message = AccountConstant.SIGN_MESSAGE_SALT + message;
    try {
        ECKey recoveryECKey = ECKey.signedMessageToKey(message, signatureBase64);
        String recoveryAddress = AddressTool.getStringAddressByBytes(AddressTool.getAddress(recoveryECKey.getPubKey()));
        if (recoveryAddress != null && recoveryAddress.equals(address)) {
            result = true;
        } else {
            Log.info("verifyMessageSignature failed,address:{},message:{},signatureBase64:{}", address, message, signatureBase64);
        }
    } catch (SignatureException e) {
        Log.info("", e);
    }
    return Result.getSuccess().setData(result);
}