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

Example 1 with BlockHeader

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

the class VMContext method getBlockHeader.

/**
 * @param hash
 * @return
 * @throws NulsException
 * @throws IOException
 */
public BlockHeaderDto getBlockHeader(String hash) throws NulsException, IOException {
    if (StringUtils.isBlank(hash)) {
        return null;
    }
    NulsDigestData nulsDigestData = NulsDigestData.fromDigestHex(hash);
    Result<BlockHeader> blockHeaderResult = blockService.getBlockHeader(nulsDigestData);
    if (blockHeaderResult == null || blockHeaderResult.getData() == null) {
        return null;
    }
    BlockHeaderDto header = new BlockHeaderDto(blockHeaderResult.getData());
    return header;
}

Example 2 with BlockHeader

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

the class VMHelper method invokeCustomGasViewMethod.

public ProgramResult invokeCustomGasViewMethod(byte[] contractAddressBytes, String methodName, String methodDesc, String[][] args) {
    // 当前区块高度
    BlockHeader blockHeader = NulsContext.getInstance().getBestBlock().getHeader();
    long blockHeight = blockHeader.getHeight();
    // 当前区块状态根
    byte[] currentStateRoot = ContractUtil.getStateRoot(blockHeader);
    return this.invokeViewMethod(null, true, currentStateRoot, blockHeight, contractAddressBytes, methodName, methodDesc, args);
}

Example 3 with BlockHeader

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

the class VMHelper method getMethodInfoByContractAddress.

public ProgramMethod getMethodInfoByContractAddress(String methodName, String methodDesc, byte[] contractAddressBytes) {
    if (StringUtils.isBlank(methodName)) {
        return null;
    }
    BlockHeader header = NulsContext.getInstance().getBestBlock().getHeader();
    // 当前区块状态根
    byte[] currentStateRoot = ContractUtil.getStateRoot(header);
    ProgramExecutor track = programExecutor.begin(currentStateRoot);
    List<ProgramMethod> methods = track.method(contractAddressBytes);
    return this.getMethodInfo(methodName, methodDesc, methods);
}

Example 4 with BlockHeader

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

the class GetBlocksByHashHandler method onMessage.

@Override
public void onMessage(GetBlocksByHashMessage message, Node fromNode) {
    if (message == null || message.getMsgBody() == null || fromNode == null) {
        return;
    }
    GetBlocksByHashParam param = message.getMsgBody();
    if (param.getStartHash() == null || param.getEndHash() == null) {
        return;
    }
    NulsDigestData requestHash = null;
    try {
        requestHash = NulsDigestData.calcDigestData(param.serialize());
    } catch (IOException e) {
        e.printStackTrace();
    }
    // react request
    messageBusService.sendToNode(new ReactMessage(requestHash), fromNode, true);
    BlockHeader startBlockHeader = blockService.getBlockHeader(param.getStartHash()).getData();
    if (startBlockHeader == null) {
        sendNotFound(requestHash, fromNode);
        return;
    }
    Block endBlock = blockService.getBlock(param.getEndHash()).getData();
    if (endBlock == null) {
        sendNotFound(requestHash, fromNode);
        return;
    }
    if (endBlock.getHeader().getHeight() - startBlockHeader.getHeight() >= MAX_SIZE) {
        return;
    }
    Block block = endBlock;
    while (true) {
        sendBlock(block, fromNode);
        if (block.getHeader().getHash().equals(startBlockHeader.getHash())) {
            break;
        }
        Result<Block> result = blockService.getBlock(block.getHeader().getPreHash());
        if (result.isFailed() || (block = result.getData()) == null) {
            sendNotFound(requestHash, fromNode);
            return;
        }
    }
    CompleteMessage completeMessage = new CompleteMessage();
    completeMessage.setMsgBody(new CompleteParam(requestHash, true));
    messageBusService.sendToNode(completeMessage, fromNode, true);
}

Example 5 with BlockHeader

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

the class BlockServiceImplTest method init.

@Before
public void init() {
    MicroKernelBootstrap mk = MicroKernelBootstrap.getInstance();
    mk.init();
    mk.start();
    LevelDbModuleBootstrap bootstrap = new LevelDbModuleBootstrap();
    bootstrap.init();
    bootstrap.start();
    UtxoLedgerModuleBootstrap ledgerModuleBootstrap = new UtxoLedgerModuleBootstrap();
    ledgerModuleBootstrap.init();
    ledgerModuleBootstrap.start();
    service = NulsContext.getServiceBean(BlockService.class);
    Block block = new Block();
    BlockHeader blockHeader = new BlockHeader();
    blockHeader.setHash(NulsDigestData.calcDigestData("hashhash".getBytes()));
    blockHeader.setHeight(1286L);
    blockHeader.setExtend("extends".getBytes());
    blockHeader.setMerkleHash(NulsDigestData.calcDigestData("merkleHash".getBytes()));
    blockHeader.setPreHash(NulsDigestData.calcDigestData("prehash".getBytes()));
    try {
        blockHeader.setPackingAddress("address".getBytes());
    } catch (Exception e) {
        e.printStackTrace();
        assertTrue(false);
    }
    blockHeader.setBlockSignature(new BlockSignature());
    blockHeader.setTime(12345678901L);
    blockHeader.setTxCount(3);
    List<NulsDigestData> txHashList = new ArrayList<>();
    txHashList.add(NulsDigestData.calcDigestData("first-tx-hash".getBytes()));
    txHashList.add(NulsDigestData.calcDigestData("second-tx-hash".getBytes()));
    txHashList.add(NulsDigestData.calcDigestData("third-tx-hash".getBytes()));
// block.setTxHashList(txHashList);
// this.model = blockHeader;
}