Examples with NulsException io.nuls.kernel.exception.NulsException used on opensource projects

Example 31 with NulsException

use of io.nuls.kernel.exception.NulsException in project nuls by nuls-io.

the class AliasService method signMultiAliasTransaction.

/**
 * A transfers NULS to B   多签交易
 *
 * @param signAddr 签名地址
 * @param password password of A
 * @param txdata   需要签名的数据
 * @return Result
 */
public Result signMultiAliasTransaction(String signAddr, String password, String txdata) {
    try {
        Result<Account> accountResult = accountService.getAccount(signAddr);
        if (accountResult.isFailed()) {
            return accountResult;
        }
        Account account = accountResult.getData();
        if (account.isEncrypted() && account.isLocked()) {
            AssertUtil.canNotEmpty(password, "the password can not be empty");
            if (!account.validatePassword(password)) {
                return Result.getFailed(AccountErrorCode.PASSWORD_IS_WRONG);
            }
        }
        AliasTransaction tx = new AliasTransaction();
        TransactionSignature transactionSignature = new TransactionSignature();
        byte[] txByte = Hex.decode(txdata);
        tx.parse(new NulsByteBuffer(txByte));
        transactionSignature.parse(new NulsByteBuffer(tx.getTransactionSignature()));
        return accountLedgerService.txMultiProcess(tx, transactionSignature, account, password);
    } catch (NulsException e) {
        Log.error(e);
        return Result.getFailed(e.getErrorCode());
    } catch (Exception e) {
        Log.error(e);
        return Result.getFailed(AccountErrorCode.ACCOUNT_NOT_EXIST);
    }
}

Example 32 with NulsException

use of io.nuls.kernel.exception.NulsException in project nuls by nuls-io.

the class Account method getPriKey.

public byte[] getPriKey(String password) throws NulsException {
    if (!StringUtils.validPassword(password)) {
        throw new NulsException(AccountErrorCode.PASSWORD_IS_WRONG);
    }
    byte[] unencryptedPrivateKey;
    try {
        unencryptedPrivateKey = AESEncrypt.decrypt(this.getEncryptedPriKey(), password);
    } catch (CryptoException e) {
        throw new NulsException(AccountErrorCode.PASSWORD_IS_WRONG);
    }
    BigInteger newPriv = new BigInteger(1, unencryptedPrivateKey);
    ECKey key = ECKey.fromPrivate(newPriv);
    if (!Arrays.equals(key.getPubKey(), getPubKey())) {
        throw new NulsException(AccountErrorCode.PASSWORD_IS_WRONG);
    }
    return unencryptedPrivateKey;
}

Example 33 with NulsException

use of io.nuls.kernel.exception.NulsException in project nuls by nuls-io.

the class AccountTool method createAccount.

public static Account createAccount(String prikey) throws NulsException {
    ECKey key = null;
    if (StringUtils.isBlank(prikey)) {
        key = new ECKey();
    } else {
        try {
            key = ECKey.fromPrivate(new BigInteger(1, Hex.decode(prikey)));
        } catch (Exception e) {
            throw new NulsException(AccountErrorCode.PRIVATE_KEY_WRONG, e);
        }
    }
    Address address = new Address(NulsContext.getInstance().getDefaultChainId(), NulsContext.DEFAULT_ADDRESS_TYPE, SerializeUtils.sha256hash160(key.getPubKey()));
    Account account = new Account();
    account.setEncryptedPriKey(new byte[0]);
    account.setAddress(address);
    account.setPubKey(key.getPubKey());
    account.setEcKey(key);
    account.setPriKey(key.getPrivKeyBytes());
    account.setCreateTime(TimeService.currentTimeMillis());
    return account;
}

Example 34 with NulsException

use of io.nuls.kernel.exception.NulsException in project nuls by nuls-io.

the class Account method getEcKey.

/**
 * 根据密码获取ECKey
 */
public ECKey getEcKey(String password) throws NulsException {
    ECKey eckey = null;
    byte[] unencryptedPrivateKey;
    // 判断当前账户是否存在私钥，如果不存在私钥这为锁定账户
    BigInteger newPriv = null;
    if (this.isLocked()) {
        AssertUtil.canNotEmpty(password, "the password can not be empty");
        if (!validatePassword(password)) {
            throw new NulsException(AccountErrorCode.PASSWORD_IS_WRONG);
        }
        try {
            unencryptedPrivateKey = AESEncrypt.decrypt(this.getEncryptedPriKey(), password);
            newPriv = new BigInteger(1, unencryptedPrivateKey);
        } catch (CryptoException e) {
            throw new NulsException(AccountErrorCode.PASSWORD_IS_WRONG);
        }
    } else {
        newPriv = new BigInteger(1, this.getPriKey());
    }
    eckey = ECKey.fromPrivate(newPriv);
    if (!Arrays.equals(eckey.getPubKey(), getPubKey())) {
        throw new NulsException(AccountErrorCode.PASSWORD_IS_WRONG);
    }
    return eckey;
}

Example 35 with NulsException

use of io.nuls.kernel.exception.NulsException in project nuls by nuls-io.

the class Account method decrypt.

/**
 * 根据解密账户, 包括生成账户明文私钥
 * According to the decryption account, including generating the account plaintext private key
 */
private boolean decrypt(String password) throws NulsException {
    try {
        byte[] unencryptedPrivateKey = AESEncrypt.decrypt(this.getEncryptedPriKey(), password);
        BigInteger newPriv = new BigInteger(1, unencryptedPrivateKey);
        ECKey key = ECKey.fromPrivate(newPriv);
        if (!Arrays.equals(key.getPubKey(), getPubKey())) {
            return false;
        }
        key.setEncryptedPrivateKey(new EncryptedData(this.getEncryptedPriKey()));
        this.setPriKey(key.getPrivKeyBytes());
        this.setEcKey(key);
    } catch (Exception e) {
        throw new NulsException(AccountErrorCode.PASSWORD_IS_WRONG);
    }
    return true;
}