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

Example 31 with NulsException

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

the class VersionManager method start.

public static void start() throws NulsException {
    URL libsUrl = VersionUtils.class.getClassLoader().getResource("libs");
    if (null == libsUrl) {
        // devlopment
        return;
    }
    List<NulsVersion> versionList = NulsContext.getServiceBeanList(NulsVersion.class);
    String localVersion = null;
    for (NulsVersion version : versionList) {
        if (null == localVersion) {
            localVersion = version.getVersion();
            continue;
        }
        if (VersionUtils.higherThan(version.getVersion(), localVersion)) {
            localVersion = version.getVersion();
            continue;
        }
    }
    NulsContext.VERSION = localVersion;
    String jsonStr = null;
    try {
        jsonStr = new String(HttpDownloadUtils.download(HIGHEST_VERDION_FILE_URL), NulsContext.DEFAULT_ENCODING);
    } catch (IOException e) {
        Log.error(e);
        return;
    }
    Map<String, Object> map = null;
    try {
        map = JSONUtils.json2map(jsonStr);
    } catch (Exception e) {
        Log.error(e);
        throw new NulsException(ErrorCode.FAILED, "Parse version json faild!");
    }
    String version = (String) map.get("version");
    String sign = (String) map.get("sign");
    // todo 验证签名
    NulsContext.NEWEST_VERSION = version;
    // todo 自动更新开关
    boolean autoUpdate = true;
    if (VersionUtils.equalsWith(version, localVersion)) {
        return;
    } else if (autoUpdate) {
        try {
            updateFile(localVersion, version, versionList, libsUrl);
        } catch (IOException e) {
            throw new NulsException(e);
        }
    }
}

Example 32 with NulsException

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

the class BaseEvent method parse.

@Override
protected void parse(NulsByteBuffer byteBuffer) throws NulsException {
    this.header = byteBuffer.readNulsData(new EventHeader());
    this.eventBody = parseEventBody(byteBuffer);
    try {
        this.hash = NulsDigestData.calcDigestData(this.serialize());
    } catch (IOException e) {
        Log.error(e);
        throw new NulsException(ErrorCode.DATA_PARSE_ERROR);
    }
}

Example 33 with NulsException

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

the class BlockManager method rollbackTxList.

private void rollbackTxList(List<Transaction> txList, int start, int end) {
    List<NulsDigestData> txHashList = new ArrayList<>();
    for (int i = start; i <= end && i < txList.size(); i++) {
        Transaction tx = txList.get(i);
        if (tx.getStatus() == TxStatusEnum.AGREED) {
            try {
                ledgerService.rollbackTx(tx);
            } catch (NulsException e) {
                Log.error(e);
            }
            txHashList.add(tx.getHash());
        }
    }
    confirmingTxCacheManager.removeTxList(txHashList);
}

Example 34 with NulsException

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

the class BlockManager method appravalBlock.

private void appravalBlock(Block block) {
    for (int i = 0; i < block.getHeader().getTxCount(); i++) {
        Transaction tx = block.getTxs().get(i);
        tx.setBlockHeight(block.getHeader().getHeight());
        tx.setIndex(i);
        tx.setIndex(i);
        if (tx.getStatus() == null || tx.getStatus() == TxStatusEnum.CACHED) {
            try {
                this.ledgerService.approvalTx(tx);
                confirmingTxCacheManager.putTx(tx);
            } catch (NulsException e) {
                rollbackTxList(block.getTxs(), 0, i);
                Log.error(e);
                throw new NulsRuntimeException(e);
            }
        }
    }
    txCacheManager.removeTx(block.getTxHashList());
}

Example 35 with NulsException

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

the class HeaderContinuityValidator method validate.

@Override
public ValidateResult validate(BlockHeader header) {
    ValidateResult result = ValidateResult.getSuccessResult();
    boolean failed = false;
    do {
        if (header.getHeight() == 0) {
            failed = !header.getPreHash().equals(NulsDigestData.EMPTY_HASH);
            break;
        }
        BlockHeader preHeader = null;
        try {
            preHeader = NulsContext.getServiceBean(BlockService.class).getBlockHeader(header.getHeight() - 1);
        } catch (NulsException e) {
            // todo
            e.printStackTrace();
        }
        if (null == preHeader) {
            break;
        }
        failed = !preHeader.getHash().equals(header.getPreHash());
        if (failed) {
            break;
        }
        BlockRoundData roundData = new BlockRoundData();
        try {
            roundData.parse(header.getExtend());
        } catch (NulsException e) {
            Log.error(e);
        }
        long shouldTime = roundData.getRoundStartTime() + roundData.getPackingIndexOfRound() * PocConsensusConstant.BLOCK_TIME_INTERVAL_SECOND * 1000;
        // todo 3 seconds error
        long difference = header.getTime() - shouldTime;
        failed = difference > 3000 || difference < -3000;
        if (failed) {
            break;
        }
    } while (false);
    if (failed) {
        result = ValidateResult.getFailedResult(ERROR_MESSAGE);
    }
    return result;
}