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

Example 36 with NulsException

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

the class HeaderPackerValidator method validate.

@Override
public ValidateResult validate(BlockHeader header) {
    BlockHeader preHeader = null;
    try {
        preHeader = NulsContext.getServiceBean(BlockService.class).getBlockHeader(header.getPreHash());
    } catch (NulsException e) {
    // todo
    }
    PocMeetingRound currentRound = consensusManager.getCurrentRound();
    if (header.getHeight() == 0) {
        return ValidateResult.getSuccessResult();
    }
    if (preHeader == null) {
        return ValidateResult.getSuccessResult();
    }
    BlockRoundData roundData = null;
    try {
        roundData = new BlockRoundData(preHeader.getExtend());
    } catch (NulsException e) {
        Log.error(e);
        return ValidateResult.getFailedResult(e.getMessage());
    }
    if (null == currentRound) {
        return ValidateResult.getSuccessResult();
    }
    if (currentRound.getIndex() == roundData.getRoundIndex() && currentRound.getMemberCount() > (roundData.getPackingIndexOfRound() + 1)) {
        if (currentRound.indexOf(header.getPackingAddress()) <= roundData.getPackingIndexOfRound()) {
            return ValidateResult.getFailedResult(ERROR_MESSAGE);
        }
    }
    byte[] packingHash160 = AccountTool.getHash160ByAddress(header.getPackingAddress());
    byte[] hash160InScriptSig = header.getScriptSig().getSignerHash160();
    if (!Arrays.equals(packingHash160, hash160InScriptSig)) {
        return ValidateResult.getFailedResult(ERROR_MESSAGE);
    }
    BlockRoundData nowRoundData = null;
    try {
        nowRoundData = new BlockRoundData(header.getExtend());
    } catch (NulsException e) {
        Log.error(e);
        return ValidateResult.getFailedResult(ERROR_MESSAGE);
    }
    if (!isAdjacent(roundData, nowRoundData)) {
        return ValidateResult.getFailedResult(ERROR_MESSAGE);
    }
    return ValidateResult.getSuccessResult();
}

Example 37 with NulsException

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

the class TxSignValidator method validate.

@Override
public ValidateResult validate(Transaction tx) {
    byte[] scriptSig = tx.getScriptSig();
    tx.setScriptSig(null);
    NulsDigestData nulsDigestData;
    try {
        nulsDigestData = NulsDigestData.calcDigestData(tx.serialize());
    } catch (Exception e) {
        return ValidateResult.getFailedResult(ErrorCode.DATA_ERROR);
    } finally {
        tx.setScriptSig(scriptSig);
    }
    if (!Arrays.equals(nulsDigestData.getDigestBytes(), tx.getHash().getDigestBytes())) {
        return ValidateResult.getFailedResult(ErrorCode.DATA_ERROR);
    }
    P2PKHScriptSig p2PKHScriptSig = null;
    try {
        p2PKHScriptSig = new NulsByteBuffer(scriptSig).readNulsData(new P2PKHScriptSig());
    } catch (NulsException e) {
        return ValidateResult.getFailedResult(ErrorCode.SIGNATURE_ERROR);
    }
    return p2PKHScriptSig.verifySign(tx.getHash());
}

Example 38 with NulsException

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

the class PocConsensusResource method exitConsensus.

@POST
@Path("/withdraw")
@Produces(MediaType.APPLICATION_JSON)
public RpcResult exitConsensus(WithdrawForm form) {
    AssertUtil.canNotEmpty(form);
    AssertUtil.canNotEmpty(form.getTxHash());
    AssertUtil.canNotEmpty(form.getPassword());
    AssertUtil.canNotEmpty(form.getAddress());
    Map<String, Object> params = new HashMap<>();
    params.put("txHash", form.getTxHash());
    Transaction tx = null;
    try {
        tx = consensusService.stopConsensus(form.getAddress(), form.getPassword(), params);
    } catch (NulsException e) {
        Log.error(e);
        return RpcResult.getFailed(e.getMessage());
    } catch (IOException e) {
        Log.error(e);
        return RpcResult.getFailed(e.getMessage());
    }
    return RpcResult.getSuccess().setData(tx.getHash().getDigestHex());
}

Example 39 with NulsException

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

the class ConsensusMeetingRunner method coinBaseTx.

private void coinBaseTx(List<Transaction> txList, PocMeetingMember self) throws NulsException, IOException {
    CoinTransferData data = new CoinTransferData(OperationType.COIN_BASE, this.ledgerService.getTxFee(TransactionConstant.TX_TYPE_COIN_BASE));
    data.setFee(Na.ZERO);
    List<ConsensusReward> rewardList = calcReward(txList, self);
    Na total = Na.ZERO;
    for (ConsensusReward reward : rewardList) {
        Coin coin = new Coin();
        coin.setNa(reward.getReward());
        data.addTo(reward.getAddress(), coin);
        total = total.add(reward.getReward());
    }
    data.setTotalNa(total);
    CoinBaseTransaction tx;
    try {
        tx = new CoinBaseTransaction(data, null);
    } catch (NulsException e) {
        Log.error(e);
        throw new NulsRuntimeException(e);
    }
    tx.setFee(Na.ZERO);
    tx.setHash(NulsDigestData.calcDigestData(tx));
    tx.setScriptSig(accountService.createP2PKHScriptSigFromDigest(tx.getHash(), consensusManager.getConsensusStatusInfo().getAccount(), NulsContext.CACHED_PASSWORD_OF_WALLET).serialize());
    ValidateResult validateResult = tx.verify();
    confirmingTxCacheManager.putTx(tx);
    if (null == validateResult || validateResult.isFailed()) {
        throw new NulsRuntimeException(ErrorCode.CONSENSUS_EXCEPTION);
    }
    try {
        ledgerService.approvalTx(tx);
    } catch (NulsException e) {
        throw new NulsRuntimeException(e);
    }
    txList.add(0, tx);
}

Example 40 with NulsException

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

the class ConsensusMeetingRunner method yellowPunishTx.

private void yellowPunishTx(Block bestBlock, List<Transaction> txList, PocMeetingMember self) throws NulsException, IOException {
    BlockRoundData lastBlockRoundData = new BlockRoundData();
    try {
        lastBlockRoundData.parse(bestBlock.getHeader().getExtend());
    } catch (NulsException e) {
        Log.error(e);
    }
    // continuous blocks in the same round
    boolean ok = (self.getRoundIndex() == lastBlockRoundData.getRoundIndex()) && (self.getIndexOfRound() == (1 + lastBlockRoundData.getPackingIndexOfRound()));
    // continuous blocks between two rounds
    ok = ok || (self.getRoundIndex() == (lastBlockRoundData.getRoundIndex() + 1) && self.getIndexOfRound() == 1 && lastBlockRoundData.getPackingIndexOfRound() == lastBlockRoundData.getConsensusMemberCount());
    // two rounds
    ok = ok || (self.getRoundIndex() - 1) > lastBlockRoundData.getRoundIndex();
    if (ok) {
        return;
    }
    List<Address> addressList = new ArrayList<>();
    PocMeetingRound round = consensusManager.getCurrentRound();
    long roundIndex = lastBlockRoundData.getRoundIndex();
    int packingIndex = 0;
    if (lastBlockRoundData.getPackingIndexOfRound() == lastBlockRoundData.getConsensusMemberCount()) {
        packingIndex = 1;
    } else {
        packingIndex = lastBlockRoundData.getPackingIndexOfRound() + 1;
    }
    while (true) {
        PocMeetingRound tempRound;
        if (roundIndex == self.getRoundIndex()) {
            tempRound = round;
        } else if (roundIndex == (self.getRoundIndex() - 1)) {
            tempRound = round.getPreviousRound();
        } else {
            break;
        }
        if (tempRound.getIndex() > round.getIndex()) {
            break;
        }
        if (tempRound.getIndex() == round.getIndex() && packingIndex >= self.getIndexOfRound()) {
            break;
        }
        if (packingIndex >= tempRound.getMemberCount()) {
            roundIndex++;
            packingIndex = 1;
            continue;
        }
        PocMeetingMember member;
        try {
            member = tempRound.getMember(packingIndex);
            if (null == member) {
                break;
            }
        } catch (Exception e) {
            break;
        }
        packingIndex++;
        addressList.add(Address.fromHashs(member.getAgentAddress()));
    }
    if (addressList.isEmpty()) {
        return;
    }
    YellowPunishTransaction punishTx = new YellowPunishTransaction();
    YellowPunishData data = new YellowPunishData();
    data.setAddressList(addressList);
    data.setHeight(bestBlock.getHeader().getHeight() + 1);
    punishTx.setTxData(data);
    punishTx.setTime(TimeService.currentTimeMillis());
    punishTx.setFee(Na.ZERO);
    punishTx.setHash(NulsDigestData.calcDigestData(punishTx));
    punishTx.setScriptSig(accountService.createP2PKHScriptSigFromDigest(punishTx.getHash(), consensusManager.getConsensusStatusInfo().getAccount(), NulsContext.CACHED_PASSWORD_OF_WALLET).serialize());
    txList.add(punishTx);
}