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

Example 6 with NulsException

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

the class AccountServiceImpl method importAccounts.

@Override
@DbSession
public Result importAccounts(List<String> keys, String password) {
    Account account = null;
    AccountPo accountPo = null;
    AliasPo aliasPo = null;
    Account defaultAcct = getDefaultAccount();
    if (defaultAcct != null) {
        try {
            if (!defaultAcct.decrypt(password)) {
                return Result.getFailed(ErrorCode.PASSWORD_IS_WRONG);
            }
            defaultAcct.encrypt(password);
        } catch (NulsException e) {
        }
    }
    for (String priKey : keys) {
        try {
            account = AccountTool.createAccount(priKey);
            account.encrypt(password);
        } catch (NulsException e) {
            return Result.getFailed("invalid prikey");
        }
        accountPo = accountDao.get(account.getAddress().getBase58());
        if (accountPo != null) {
            continue;
        } else {
            accountPo = new AccountPo();
        }
        // save db
        AccountTool.toPojo(account, accountPo);
        aliasPo = aliasDataService.getByAddress(accountPo.getAddress());
        if (aliasPo != null) {
            account.setAlias(aliasPo.getAlias());
            accountPo.setAlias(aliasPo.getAlias());
        }
        accountDao.save(accountPo);
        ledgerService.saveTxInLocal(accountPo.getAddress());
        // save cache
        accountCacheService.putAccount(account);
        NulsContext.LOCAL_ADDRESS_LIST.add(accountPo.getAddress());
        ledgerService.getBalance(accountPo.getAddress());
    }
    return Result.getSuccess();
}

Example 7 with NulsException

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

the class AliasTxService method onApproval.

@Override
public void onApproval(AliasTransaction tx) throws NulsException {
    Alias alias = tx.getTxData();
    AliasPo po = getAliasDataService().getAlias(alias.getAlias());
    if (po != null) {
        throw new NulsException(ErrorCode.ALIAS_EXIST);
    }
}

Example 8 with NulsException

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

the class Account method encrypt.

/**
 * @param password
 */
public void encrypt(String password, boolean isForce) throws NulsException {
    if (this.isEncrypted() && !isForce) {
        if (!unlock(password)) {
            throw new NulsException(ErrorCode.ACCOUNT_IS_ALREADY_ENCRYPTED);
        }
    }
    ECKey eckey = this.getEcKey();
    byte[] privKeyBytes = eckey.getPrivKeyBytes();
    EncryptedData encryptedPrivateKey = AESEncrypt.encrypt(privKeyBytes, EncryptedData.DEFAULT_IV, new KeyParameter(Sha256Hash.hash(password.getBytes())));
    eckey.setEncryptedPrivateKey(encryptedPrivateKey);
    ECKey result = ECKey.fromEncrypted(encryptedPrivateKey, getPubKey());
    this.setPriKey(new byte[0]);
    this.setEcKey(result);
    this.setEncryptedPriKey(encryptedPrivateKey.getEncryptedBytes());
}

Example 9 with NulsException

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

the class Alias method parse.

@Override
protected void parse(NulsByteBuffer byteBuffer) throws NulsException {
    try {
        this.address = new String(byteBuffer.readByLengthByte(), NulsContext.DEFAULT_ENCODING);
        this.alias = new String(byteBuffer.readByLengthByte(), NulsContext.DEFAULT_ENCODING);
    } catch (UnsupportedEncodingException e) {
        Log.error(e);
        throw new NulsException(ErrorCode.DATA_ERROR);
    }
}

Example 10 with NulsException

use of io.nuls.core.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(Hex.decode(prikey)));
        } catch (Exception e) {
            throw new NulsException(ErrorCode.DATA_PARSE_ERROR);
        }
    }
    Address address = new Address(NulsContext.getInstance().getChainId(NulsContext.CHAIN_ID), Utils.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;
}