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

Example 86 with NulsException

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

the class UtxoResource method getAllUtxoByAddress.

private List<Coin> getAllUtxoByAddress(String address) {
    List<Coin> coinList = new ArrayList<>();
    byte[] addressBytes = AddressTool.getAddress(address);
    List<Entry<byte[], byte[]>> coinBytesList = utxoLedgerUtxoStorageService.getAllUtxoEntryBytes();
    Coin coin;
    for (Entry<byte[], byte[]> coinEntryBytes : coinBytesList) {
        coin = new Coin();
        try {
            coin.parse(coinEntryBytes.getValue(), 0);
        } catch (NulsException e) {
            Log.info("parse coin form db error");
            continue;
        }
        // if (Arrays.equals(coin.(), addressBytes))
        if (Arrays.equals(coin.getAddress(), addressBytes)) {
            coin.setOwner(coinEntryBytes.getKey());
            coinList.add(coin);
        }
    }
    Collections.sort(coinList, CoinComparator.getInstance());
    return coinList;
}

Example 87 with NulsException

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

the class UtxoLedgerServiceImpl method saveTx.

@Override
public Result saveTx(Transaction tx) throws NulsException {
    if (tx == null) {
        return Result.getFailed(LedgerErrorCode.NULL_PARAMETER);
    }
    try {
        // 保存交易
        Result result = utxoLedgerTransactionStorageService.saveTx(tx);
        if (result.isFailed()) {
            Result rollbackResult = rollbackTx(tx);
            if (rollbackResult.isFailed()) {
                throw new NulsException(rollbackResult.getErrorCode());
            }
        }
        // 保存CoinData
        result = saveCoinData(tx);
        if (result.isFailed()) {
            Result rollbackResult = rollbackCoinData(tx);
            if (rollbackResult.isFailed()) {
                throw new NulsException(rollbackResult.getErrorCode());
            }
        }
        return result;
    } catch (IOException e) {
        Log.error(e);
        Result rollbackResult = rollbackTx(tx);
        if (rollbackResult.isFailed()) {
            throw new NulsException(rollbackResult.getErrorCode());
        }
        return Result.getFailed(KernelErrorCode.IO_ERROR);
    }
}

Example 88 with NulsException

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

the class UtxoLedgerServiceImpl method rollbackTx.

@Override
public Result rollbackTx(Transaction tx) throws NulsException {
    if (tx == null) {
        return Result.getFailed(LedgerErrorCode.NULL_PARAMETER);
    }
    try {
        // 回滚CoinData
        Result result = rollbackCoinData(tx);
        if (result.isFailed()) {
            Result recoveryResult = saveCoinData(tx);
            if (recoveryResult.isFailed()) {
                throw new NulsException(recoveryResult.getErrorCode());
            }
            return result;
        }
        // 回滚交易
        result = utxoLedgerTransactionStorageService.deleteTx(tx);
        if (result.isFailed()) {
            Result recoveryResult = saveTx(tx);
            if (recoveryResult.isFailed()) {
                throw new NulsException(recoveryResult.getErrorCode());
            }
        }
        return result;
    } catch (IOException e) {
        Log.error(e);
        Result rollbackResult = saveTx(tx);
        if (rollbackResult.isFailed()) {
            throw new NulsException(rollbackResult.getErrorCode());
        }
        return Result.getFailed(KernelErrorCode.IO_ERROR);
    }
}

Example 89 with NulsException

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

the class UtxoLedgerUtxoStorageServiceImpl method getUtxo.

@Override
public Coin getUtxo(byte[] owner) {
    byte[] utxoBytes = getUtxoBytes(owner);
    Coin coin = null;
    try {
        if (utxoBytes != null) {
            coin = new Coin();
            coin.parse(utxoBytes, 0);
        }
    } catch (NulsException e) {
        Log.error(e);
        return null;
    }
    return coin;
}

Example 90 with NulsException

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

the class ForkChainProcess method changeChain.

private boolean changeChain(ChainContainer newMasterChain, ChainContainer originalForkChain, List<Object[]> verifyResultList) throws NulsException, IOException {
    if (newMasterChain == null || originalForkChain == null || verifyResultList == null) {
        return false;
    }
    // Now the master chain, the forked chain after the switch, needs to be put into the list of chains to be verified.
    // 现在的主链，在切换之后的分叉链，需要放入待验证链列表里面
    ChainContainer oldChain = chainManager.getMasterChain().getAfterTheForkChain(originalForkChain);
    // rollbackTransaction
    List<Block> rollbackBlockList = oldChain.getChain().getAllBlockList();
    ChainLog.debug("rollbackTransaction the master chain , need rollbackTransaction block count is {}, master chain is {} : {} - {} , service best block : {} - {}", rollbackBlockList.size(), chainManager.getMasterChain().getChain().getId(), chainManager.getBestBlock().getHeader().getHeight(), chainManager.getBestBlock().getHeader().getHash(), blockService.getBestBlock().getData().getHeader().getHeight(), blockService.getBestBlock().getData().getHeader().getHash());
    // Need descending order
    // 需要降序排列
    Collections.reverse(rollbackBlockList);
    if (rollbackBlockList != null && rollbackBlockList.size() > 0 && rollbackBlockList.get(0).getHeader().getHeight() != chainManager.getMasterChain().getBestBlock().getHeader().getHeight()) {
        Log.error("------------------------回滚的起始高度不是主链最新高度");
        Log.error("----------------------- masterChain:" + chainManager.getMasterChain().getBestBlock().getHeader().getHeight() + ",hash:" + chainManager.getMasterChain().getBestBlock().getHeader().getHash().getDigestHex());
        Log.error("----------------------- rollbackBlockList:" + rollbackBlockList.get(0).getHeader().getHeight() + ",hash:" + rollbackBlockList.get(0).getHeader().getHash().getDigestHex());
    }
    boolean rollbackResult = rollbackBlocks(rollbackBlockList);
    if (!rollbackResult) {
        return false;
    }
    boolean changeSuccess = true;
    List<Block> successList = new ArrayList<>();
    try {
        changeSuccess = doChange(successList, originalForkChain, verifyResultList);
    } catch (Exception e) {
        Log.error(e);
        changeSuccess = false;
    }
    ChainLog.debug("add new blocks complete, result {}, success count is {} , now service best block : {} - {}", changeSuccess, successList.size(), blockService.getBestBlock().getData().getHeader().getHeight(), blockService.getBestBlock().getData().getHeader().getHash());
    if (changeSuccess) {
        chainManager.setMasterChain(newMasterChain);
        newMasterChain.initRound();
        NulsContext.getInstance().setBestBlock(newMasterChain.getBestBlock());
        if (oldChain.getChain().getAllBlockList().size() > 0) {
            Collections.reverse(rollbackBlockList);
            chainManager.getChains().add(oldChain);
        }
    } else {
        // Fallback status
        // 回退状态
        Collections.reverse(successList);
        for (Block rollBlock : successList) {
            Result rs = blockService.rollbackBlock(rollBlock);
            if (rs.isSuccess()) {
                // 回滚版本更新统计数据
                nulsProtocolProcess.processProtocolRollback(rollBlock.getHeader());
                randomSeedService.rollbackBlock(rollBlock.getHeader());
            }
            RewardStatisticsProcess.rollbackBlock(rollBlock);
        }
        Collections.reverse(rollbackBlockList);
        for (Block addBlock : rollbackBlockList) {
            nulsProtocolProcess.processProtocolUpGrade(addBlock.getHeader());
            Result rs = blockService.saveBlock(addBlock);
            if (!rs.isSuccess()) {
                nulsProtocolProcess.processProtocolRollback(addBlock.getHeader());
            }
            RewardStatisticsProcess.addBlock(addBlock);
        }
    }
    return changeSuccess;
}