Examples with BlockHeader io.nuls.kernel.model.BlockHeader used on opensource projects

Example 26 with BlockHeader

use of io.nuls.kernel.model.BlockHeader in project nuls by nuls-io.

the class RoundManager method getNextRoundByExpectedRound.

private MeetingRound getNextRoundByExpectedRound(BlockExtendsData roundData) {
    BlockHeader startBlockHeader = chain.getEndBlockHeader();
    long roundIndex = roundData.getRoundIndex();
    long roundStartTime = roundData.getRoundStartTime();
    if (startBlockHeader.getHeight() != 0L) {
        // if(roundData.getConsensusMemberCount() == roundData.getPackingIndexOfRound()) {
        // roundIndex += 1;
        // roundStartTime = roundData.getRoundEndTime();
        // }
        startBlockHeader = getFirstBlockHeightOfPreRoundByRoundIndex(roundIndex);
    }
    return calculationRound(startBlockHeader, roundIndex, roundStartTime);
}

Example 27 with BlockHeader

use of io.nuls.kernel.model.BlockHeader in project nuls by nuls-io.

the class RoundManager method getBlockCountMap.

private Map<String, Integer> getBlockCountMap(long roundStart, long roundEnd) {
    List<BlockHeader> blockHeaderList = chain.getAllBlockHeaderList();
    Map<String, Integer> map = new HashMap<>();
    for (int i = blockHeaderList.size() - 1; i >= 0; i--) {
        BlockHeader blockHeader = blockHeaderList.get(i);
        BlockExtendsData roundData = new BlockExtendsData(blockHeader.getExtend());
        if (roundData.getRoundIndex() > roundEnd) {
            continue;
        }
        if (roundData.getRoundIndex() < roundStart) {
            break;
        }
        Integer count = map.get(blockHeader.getPackingAddressStr());
        if (null == count) {
            count = 0;
        }
        map.put(blockHeader.getPackingAddressStr(), count + 1);
    }
    return map;
}

Example 28 with BlockHeader

use of io.nuls.kernel.model.BlockHeader in project nuls by nuls-io.

the class Chain method rollbackBlock.

public BlockHeader rollbackBlock() {
    blockList.remove(blockList.size() - 1);
    BlockHeader header;
    if (blockHeaderList.size() == 1) {
        header = blockHeaderList.remove(blockHeaderList.size() - 1);
        this.startBlockHeader = null;
        this.endBlockHeader = null;
    } else {
        BlockHeader preHeader = blockHeaderList.get(blockHeaderList.size() - 2);
        header = blockHeaderList.remove(blockHeaderList.size() - 1);
        if (header.getPreHash().equals(preHeader.getHash())) {
            this.endBlockHeader = preHeader;
        } else {
            this.endBlockHeader = blockHeaderList.get(blockHeaderList.size() - 1);
        }
    }
    return header;
}

Example 29 with BlockHeader

use of io.nuls.kernel.model.BlockHeader in project nuls by nuls-io.

the class VMContext method getBlockHeader.

/**
 * @param height
 * @return
 * @throws NulsException
 * @throws IOException
 */
public BlockHeaderDto getBlockHeader(long height) throws NulsException, IOException {
    if (height < 0L) {
        return null;
    }
    Result<BlockHeader> blockHeaderResult = blockService.getBlockHeader(height);
    if (blockHeaderResult == null || blockHeaderResult.getData() == null) {
        return null;
    }
    BlockHeaderDto header = new BlockHeaderDto(blockHeaderResult.getData());
    return header;
}

Example 30 with BlockHeader

use of io.nuls.kernel.model.BlockHeader in project nuls by nuls-io.

the class CreateContractTxProcessor method onCommit.

@Override
public Result onCommit(CreateContractTransaction tx, Object secondaryData) {
    ContractResult contractResult = tx.getContractResult();
    contractService.saveContractExecuteResult(tx.getHash(), contractResult);
    CreateContractData txData = tx.getTxData();
    byte[] contractAddress = txData.getContractAddress();
    byte[] sender = txData.getSender();
    String senderStr = AddressTool.getStringAddressByBytes(sender);
    String contractAddressStr = AddressTool.getStringAddressByBytes(contractAddress);
    // 移除未确认的创建合约交易
    contractTxService.removeLocalUnconfirmedCreateContractTransaction(senderStr, contractAddressStr, contractResult);
    // 执行失败的合约直接返回
    if (!contractResult.isSuccess()) {
        return Result.getSuccess();
    }
    NulsDigestData hash = tx.getHash();
    long blockHeight = tx.getBlockHeight();
    long bestBlockHeight = NulsContext.getInstance().getBestHeight();
    ContractAddressInfoPo info = new ContractAddressInfoPo();
    info.setContractAddress(contractAddress);
    info.setSender(sender);
    try {
        info.setCreateTxHash(hash.serialize());
    } catch (IOException e) {
        throw new NulsRuntimeException(e);
    }
    info.setCreateTime(tx.getTime());
    info.setBlockHeight(blockHeight);
    // byte[] stateRoot = contractResult.getStateRoot();
    boolean isNrc20Contract = contractResult.isNrc20();
    boolean acceptDirectTransfer = contractResult.isAcceptDirectTransfer();
    info.setAcceptDirectTransfer(acceptDirectTransfer);
    info.setNrc20(isNrc20Contract);
    // 获取 token tracker
    if (isNrc20Contract) {
        BlockHeader blockHeader = tx.getBlockHeader();
        byte[] newestStateRoot = blockHeader.getStateRoot();
        // NRC20 token 标准方法获取名称数据
        ProgramResult programResult = vmHelper.invokeViewMethod(newestStateRoot, bestBlockHeight, contractAddress, NRC20_METHOD_NAME, null, null);
        if (programResult.isSuccess()) {
            String tokenName = programResult.getResult();
            info.setNrc20TokenName(tokenName);
        }
        programResult = vmHelper.invokeViewMethod(newestStateRoot, bestBlockHeight, contractAddress, NRC20_METHOD_SYMBOL, null, null);
        if (programResult.isSuccess()) {
            String symbol = programResult.getResult();
            info.setNrc20TokenSymbol(symbol);
        }
        programResult = vmHelper.invokeViewMethod(newestStateRoot, bestBlockHeight, contractAddress, NRC20_METHOD_DECIMALS, null, null);
        if (programResult.isSuccess()) {
            String decimals = programResult.getResult();
            if (StringUtils.isNotBlank(decimals)) {
                try {
                    info.setDecimals(new BigInteger(decimals).longValue());
                } catch (Exception e) {
                    Log.error("Get nrc20 decimals error.", e);
                // skip it
                }
            }
        }
        programResult = vmHelper.invokeViewMethod(newestStateRoot, bestBlockHeight, contractAddress, NRC20_METHOD_TOTAL_SUPPLY, null, null);
        if (programResult.isSuccess()) {
            String totalSupply = programResult.getResult();
            if (StringUtils.isNotBlank(totalSupply)) {
                try {
                    info.setTotalSupply(new BigInteger(totalSupply));
                } catch (Exception e) {
                    Log.error("Get nrc20 totalSupply error.", e);
                // skip it
                }
            }
        }
        // 刷新创建者的token余额
        vmHelper.refreshTokenBalance(newestStateRoot, info, senderStr, contractAddressStr);
        // 处理合约事件
        vmHelper.dealEvents(newestStateRoot, tx, contractResult, info);
    }
    Result result = contractAddressStorageService.saveContractAddress(contractAddress, info);
    return result;
}