org.fisco.bcos.web3j.protocol.core.DefaultBlockParameter Java Examples

/**
 * getBlockTransCntByNumber.
 *
 * @param blockNumber blockNumber
 */
public int getBlockTransCntByNumber(int groupId, BigInteger blockNumber) {
    int transCnt;
    try {
        if (blockNumberCheck(groupId, blockNumber)) {
            throw new FrontException("ConstantCode.NODE_REQUEST_FAILED");
        }
        BcosBlock.Block block = getWeb3j(groupId)
                .getBlockByNumber(DefaultBlockParameter.valueOf(blockNumber), true)
                .send()
                .getBlock();
        transCnt = block.getTransactions().size();
    } catch (IOException e) {
        log.error("getBlockTransCntByNumber fail. blockNumber:{} ", blockNumber);
        throw new FrontException(ConstantCode.NODE_REQUEST_FAILED);
    }
    return transCnt;
}
 

/**
 * getTransByBlockNumberAndIndex.
 *
 * @param blockNumber blockNumber
 * @param transactionIndex index
 */
public Transaction getTransByBlockNumberAndIndex(int groupId, BigInteger blockNumber,
                                                 BigInteger transactionIndex) {
    Transaction transaction = null;
    try {
        if (blockNumberCheck(groupId, blockNumber)) {
            throw new FrontException("ConstantCode.NODE_REQUEST_FAILED");
        }
        Optional<Transaction> opt =
                getWeb3j(groupId)
                        .getTransactionByBlockNumberAndIndex(
                                DefaultBlockParameter.valueOf(blockNumber), transactionIndex)
                        .send().getTransaction();
        if (opt.isPresent()) {
            transaction = opt.get();
        }
    } catch (IOException e) {
        log.error("getTransByBlockNumberAndIndex fail.", e);
        throw new FrontException(ConstantCode.NODE_REQUEST_FAILED);
    }
    return transaction;
}
 

@Test
public void getBlockNumber() throws IOException {

    BcosBlock block = objectMapper.readValue(rawResponse, BcosBlock.class);
    block.setRawResponse(rawResponse);

    Web3j web3j = Web3j.build(web3jService);
    when(web3jService.send(any(Request.class), eq(BcosBlock.class))).thenReturn(block);

    BcosBlock mockBlocks =
            web3j.getBlockByNumber(DefaultBlockParameter.valueOf(new BigInteger("1")), true)
                    .send();
    BcosBlock.Block mockBlock = mockBlocks.getBlock();
    assertEquals(mockBlock.getNonce(), new BigInteger("0"));
    assertTrue(mockBlock.getNumber().intValue() == 1);
}
 

/**
 * getBlockByNumber.
 *
 * @param blockNumber blockNumber
 */
public BcosBlock.Block getBlockByNumber(int groupId, BigInteger blockNumber) {
    if (blockNumberCheck(groupId, blockNumber)) {
        throw new FrontException(ConstantCode.BLOCK_NUMBER_ERROR);
    }
    BcosBlock.Block block;
    try {
        block = getWeb3j(groupId)
                .getBlockByNumber(DefaultBlockParameter.valueOf(blockNumber), true)
                .send()
                .getBlock();
    } catch (IOException e) {
        log.info("get blocknumber failed" + e.getMessage());
        log.error("getBlAockByNumber fail. blockNumber:{} , groupID: {}", blockNumber, groupId);
        throw new FrontException(ConstantCode.NODE_REQUEST_FAILED);
    }
    return block;
}
 

public BcosFilter(
        DefaultBlockParameter fromBlock, DefaultBlockParameter toBlock, List<String> address) {
    super();
    this.fromBlock = fromBlock;
    this.toBlock = toBlock;
    this.address = address;
}
 

@Test
public void getTransactionByBlockNumberAndIndex() throws IOException {
  BcosTransaction bcosTransaction =
      web3j
          .getTransactionByBlockNumberAndIndex(
              DefaultBlockParameter.valueOf(blockNumber), new BigInteger("0"))
          .send();
  Transaction transaction = bcosTransaction.getTransaction().get();
  assertNotNull(transaction);
}
 

@Cacheable(cacheNames = { "block" })
@Retry
public Block getBlock(BigInteger blockHeightNumber) throws IOException {
    Stopwatch stopwatch = Stopwatch.createStarted();
    log.debug("get block number: {}", blockHeightNumber);
    Block block = web3j.getBlockByNumber(DefaultBlockParameter.valueOf(blockHeightNumber), false).send().getBlock();
    Stopwatch st1 = stopwatch.stop();
    log.info("get block:{} succeed, eth.getBlock useTime: {}", blockHeightNumber,
            st1.elapsed(TimeUnit.MILLISECONDS));
    return block;
}
 

private void testDeployContract(Web3j web3j, Credentials credentials) throws Exception {
  Ok okDemo = Ok.deploy(web3j, credentials, gasPrice, gasLimit).send();
  if (okDemo != null) {
    System.out.println(
        "####get nonce from Block: "
            + web3j
                .getBlockByNumber(DefaultBlockParameter.valueOf(new BigInteger("0")), true)
                .send()
                .getBlock()
                .getNonce());
    System.out.println(
        "####get block number by index from Block: "
            + web3j
                .getBlockByNumber(DefaultBlockParameter.valueOf(new BigInteger("1")), true)
                .send()
                .getBlock()
                .getNumber());

    System.out.println("####contract address is: " + okDemo.getContractAddress());
    // TransactionReceipt receipt = okDemo.trans(new
    // BigInteger("4")).sendAsync().get(60000, TimeUnit.MILLISECONDS);
    TransactionReceipt receipt = okDemo.trans(new BigInteger("4")).send();
    List<Ok.TransEventEventResponse> events = okDemo.getTransEventEvents(receipt);
    events.stream().forEach(System.out::println);

    System.out.println("###callback trans success");

    System.out.println(
        "####get block number from TransactionReceipt: " + receipt.getBlockNumber());
    System.out.println(
        "####get transaction index from TransactionReceipt: " + receipt.getTransactionIndex());
    System.out.println("####get gas used from TransactionReceipt: " + receipt.getGasUsed());
    // System.out.println("####get cumulative gas used from TransactionReceipt: " +
    // receipt.getCumulativeGasUsed());

    BigInteger toBalance = okDemo.get().send();
    System.out.println("============to balance:" + toBalance.intValue());
  }
}
 

@Ignore
@Test
public void getTransactionByBlockNumberAndIndexTest() throws IOException {
  Transaction transaction =
      web3j
          .getTransactionByBlockNumberAndIndex(
              DefaultBlockParameter.valueOf(new BigInteger("1")), new BigInteger("0"))
          .send()
          .getTransaction()
          .get();
  assertTrue(transaction.getBlockNumber().intValue() == 1);
}
 

@Test
public void getBlockNumber() throws Exception {
  BcosBlock bcosBlock = web3j.getBlockByNumber(DefaultBlockParameter.valueOf("latest"),true).send();
  System.out.println(bcosBlock.getBlock());
  Block block = bcosBlock.getBlock();
  System.out.println(bcosBlock.getBlock().getNonce());
  System.out.println(web3j.getBlockByNumber(DefaultBlockParameter.valueOf("latest"),true).send());
  assertNotNull(web3j.getConsensusStatus().sendForReturnString());
}
 

/**
 * getCode.
 *
 * @param address address
 * @param blockNumber blockNumber
 */
public String getCode(int groupId, String address, BigInteger blockNumber) {
    String code;
    try {
        if (blockNumberCheck(groupId, blockNumber)) {
            throw new FrontException(ConstantCode.BLOCK_NUMBER_ERROR);
        }
        code = getWeb3j(groupId)
                .getCode(address, DefaultBlockParameter.valueOf(blockNumber)).send().getCode();
    } catch (IOException e) {
        log.error("getCode fail.", e);
        throw new FrontException(ConstantCode.NODE_REQUEST_FAILED);
    }
    return code;
}
 

public Flowable<ErrorRepeatSignaturesEventEventResponse> errorRepeatSignaturesEventEventFlowable(DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(ERRORREPEATSIGNATURESEVENT_EVENT));
    return errorRepeatSignaturesEventEventFlowable(filter);
}
 

public Flowable<UpdateResultEventResponse> updateResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(UPDATERESULT_EVENT));
    return updateResultEventFlowable(filter);
}
 

public Flowable<RemoveResultEventResponse> removeResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(REMOVERESULT_EVENT));
    return removeResultEventFlowable(filter);
}
 

public Flowable<TransEventEventResponse> transEventEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(TRANSEVENT_EVENT));
    return transEventEventFlowable(filter);
}
 

public Flowable<InsertResultEventResponse> insertResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(INSERTRESULT_EVENT));
    return insertResultEventFlowable(filter);
}
 

public Flowable<CreateResultEventResponse> createResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(CREATERESULT_EVENT));
    return createResultEventFlowable(filter);
}
 

public Flowable<SelectResultEventResponse> selectResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(SELECTRESULT_EVENT));
    return selectResultEventFlowable(filter);
}
 

public Flowable<InsertResultEventResponse> insertResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(INSERTRESULT_EVENT));
    return insertResultEventFlowable(filter);
}
 

public Flowable<UpdateResultEventResponse> updateResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(UPDATERESULT_EVENT));
    return updateResultEventFlowable(filter);
}
 

public Flowable<RemoveResultEventResponse> removeResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(REMOVERESULT_EVENT));
    return removeResultEventFlowable(filter);
}
 

public Flowable<InsertResultEventResponse> insertResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(INSERTRESULT_EVENT));
    return insertResultEventFlowable(filter);
}
 

public Flowable<OwnershipTransferredEventResponse> ownershipTransferredEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(OWNERSHIPTRANSFERRED_EVENT));
    return ownershipTransferredEventFlowable(filter);
}
 

public Flowable<TransferEventResponse> transferEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(TRANSFER_EVENT));
    return transferEventFlowable(filter);
}
 

public Flowable<ApprovalEventResponse> approvalEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(APPROVAL_EVENT));
    return approvalEventFlowable(filter);
}
 

public Flowable<CreateResultEventResponse> createResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(CREATERESULT_EVENT));
    return createResultEventFlowable(filter);
}
 

public Flowable<InsertResultEventResponse> insertResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(INSERTRESULT_EVENT));
    return insertResultEventFlowable(filter);
}
 

public Flowable<UpdateResultEventResponse> updateResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(UPDATERESULT_EVENT));
    return updateResultEventFlowable(filter);
}
 

public Flowable<RemoveResultEventResponse> removeResultEventFlowable(
        DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(REMOVERESULT_EVENT));
    return removeResultEventFlowable(filter);
}
 

public Flowable<NewEvidenceEventEventResponse> newEvidenceEventEventFlowable(DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
    BcosFilter filter = new BcosFilter(startBlock, endBlock, getContractAddress());
    filter.addSingleTopic(EventEncoder.encode(NEWEVIDENCEEVENT_EVENT));
    return newEvidenceEventEventFlowable(filter);
}