本文整理了Java中org.bitcoinj.core.BlockChain.getChainHead()方法的一些代码示例，展示了BlockChain.getChainHead()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。BlockChain.getChainHead()方法的具体详情如下：
包路径：org.bitcoinj.core.BlockChain
类名称：BlockChain
方法名：getChainHead

BlockChain.getChainHead介绍

暂无

代码示例

代码示例来源：origin: ConsensusJ/consensusj

@Override
public Integer getblockcount() {
  if(!kit.isRunning()) {
    return null;
  }
  return kit.chain().getChainHead().getHeight();
}

代码示例来源：origin: blockchain/thunder

@Override
public Transaction getTransaction (Sha256Hash hash) {
  try {
    Transaction transaction = blockExplorer.getBitcoinJTransaction(hash.toString());
    double height = blockExplorer.getTransaction(hash.toString()).getBlockHeight();
    if (height > 0) {
      transaction.getConfidence().setDepthInBlocks((int) (blockChain.getChainHead().getHeight() - height));
    }
    return transaction;
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: greenaddress/GreenBits

@Test
public void unconnectedBlocks() throws Exception {
  Block b1 = PARAMS.getGenesisBlock().createNextBlock(coinbaseTo);
  Block b2 = b1.createNextBlock(coinbaseTo);
  Block b3 = b2.createNextBlock(coinbaseTo);
  // Connected.
  assertTrue(chain.add(b1));
  // Unconnected but stored. The head of the chain is still b1.
  assertFalse(chain.add(b3));
  assertEquals(chain.getChainHead().getHeader(), b1.cloneAsHeader());
  // Add in the middle block.
  assertTrue(chain.add(b2));
  assertEquals(chain.getChainHead().getHeader(), b3.cloneAsHeader());
}

代码示例来源：origin: greenaddress/GreenBits

@Test
public void duplicates() throws Exception {
  // Adding a block twice should not have any effect, in particular it should not send the block to the wallet.
  Block b1 = PARAMS.getGenesisBlock().createNextBlock(coinbaseTo);
  Block b2 = b1.createNextBlock(coinbaseTo);
  Block b3 = b2.createNextBlock(coinbaseTo);
  assertTrue(chain.add(b1));
  assertEquals(b1, block[0].getHeader());
  assertTrue(chain.add(b2));
  assertEquals(b2, block[0].getHeader());
  assertTrue(chain.add(b3));
  assertEquals(b3, block[0].getHeader());
  assertEquals(b3, chain.getChainHead().getHeader());
  assertTrue(chain.add(b2));
  assertEquals(b3, chain.getChainHead().getHeader());
  // Wallet was NOT called with the new block because the duplicate add was spotted.
  assertEquals(b3, block[0].getHeader());
}

代码示例来源：origin: greenaddress/GreenBits

@Test
  public void rollbackBlockStore() throws Exception {
    // This test simulates an issue on Android, that causes the VM to crash while receiving a block, so that the
    // block store is persisted but the wallet is not.
    Block b1 = PARAMS.getGenesisBlock().createNextBlock(coinbaseTo);
    Block b2 = b1.createNextBlock(coinbaseTo);
    // Add block 1, no frills.
    assertTrue(chain.add(b1));
    assertEquals(b1.cloneAsHeader(), chain.getChainHead().getHeader());
    assertEquals(1, chain.getBestChainHeight());
    assertEquals(1, wallet.getLastBlockSeenHeight());
    // Add block 2 while wallet is disconnected, to simulate crash.
    chain.removeWallet(wallet);
    assertTrue(chain.add(b2));
    assertEquals(b2.cloneAsHeader(), chain.getChainHead().getHeader());
    assertEquals(2, chain.getBestChainHeight());
    assertEquals(1, wallet.getLastBlockSeenHeight());
    // Add wallet back. This will detect the height mismatch and repair the damage done.
    chain.addWallet(wallet);
    assertEquals(b1.cloneAsHeader(), chain.getChainHead().getHeader());
    assertEquals(1, chain.getBestChainHeight());
    assertEquals(1, wallet.getLastBlockSeenHeight());
    // Now add block 2 correctly.
    assertTrue(chain.add(b2));
    assertEquals(b2.cloneAsHeader(), chain.getChainHead().getHeader());
    assertEquals(2, chain.getBestChainHeight());
    assertEquals(2, wallet.getLastBlockSeenHeight());
  }
}

代码示例来源：origin: greenaddress/GreenBits

assertEquals(exhaustionPoint.getPrevBlockHash(), blockChain.getChainHead().getHeader().getHash());
assertEquals(blocks.get(blocks.size() - 1).getHash(), blockChain.getChainHead().getHeader().getHash());