本文整理了Java中org.bitcoinj.core.Block.checkProofOfWork()方法的一些代码示例，展示了Block.checkProofOfWork()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。Block.checkProofOfWork()方法的具体详情如下：
包路径：org.bitcoinj.core.Block
类名称：Block
方法名：checkProofOfWork

Block.checkProofOfWork介绍

[英]Returns true if the hash of the block is OK (lower than difficulty target).
[中]如果块的哈希值正常（低于目标难度），则返回true。

代码示例

代码示例来源：origin: greenaddress/GreenBits

/**
 * Checks the block data to ensure it follows the rules laid out in the network parameters. Specifically,
 * throws an exception if the proof of work is invalid, or if the timestamp is too far from what it should be.
 * This is <b>not</b> everything that is required for a block to be valid, only what is checkable independent
 * of the chain and without a transaction index.
 *
 * @throws VerificationException
 */
public void verifyHeader() throws VerificationException {
  // Prove that this block is OK. It might seem that we can just ignore most of these checks given that the
  // network is also verifying the blocks, but we cannot as it'd open us to a variety of obscure attacks.
  //
  // Firstly we need to ensure this block does in fact represent real work done. If the difficulty is high
  // enough, it's probably been done by the network.
  checkProofOfWork(true);
  checkTimestamp();
}

代码示例来源：origin: fr.acinq/bitcoinj-core

/**
 * Checks the block data to ensure it follows the rules laid out in the network parameters. Specifically,
 * throws an exception if the proof of work is invalid, or if the timestamp is too far from what it should be.
 * This is <b>not</b> everything that is required for a block to be valid, only what is checkable independent
 * of the chain and without a transaction index.
 *
 * @throws VerificationException
 */
public void verifyHeader() throws VerificationException {
  // Prove that this block is OK. It might seem that we can just ignore most of these checks given that the
  // network is also verifying the blocks, but we cannot as it'd open us to a variety of obscure attacks.
  //
  // Firstly we need to ensure this block does in fact represent real work done. If the difficulty is high
  // enough, it's probably been done by the network.
  checkProofOfWork(true);
  checkTimestamp();
}

代码示例来源：origin: HashEngineering/dashj

/**
 * Checks the block data to ensure it follows the rules laid out in the network parameters. Specifically,
 * throws an exception if the proof of work is invalid, or if the timestamp is too far from what it should be.
 * This is <b>not</b> everything that is required for a block to be valid, only what is checkable independent
 * of the chain and without a transaction index.
 *
 * @throws VerificationException
 */
public void verifyHeader() throws VerificationException {
  // Prove that this block is OK. It might seem that we can just ignore most of these checks given that the
  // network is also verifying the blocks, but we cannot as it'd open us to a variety of obscure attacks.
  //
  // Firstly we need to ensure this block does in fact represent real work done. If the difficulty is high
  // enough, it's probably been done by the network.
  checkProofOfWork(true);
  checkTimestamp();
}

代码示例来源：origin: cash.bitcoinj/bitcoinj-core

/**
 * Checks the block data to ensure it follows the rules laid out in the network parameters. Specifically,
 * throws an exception if the proof of work is invalid, or if the timestamp is too far from what it should be.
 * This is <b>not</b> everything that is required for a block to be valid, only what is checkable independent
 * of the chain and without a transaction index.
 *
 * @throws VerificationException
 */
public void verifyHeader() throws VerificationException {
  // Prove that this block is OK. It might seem that we can just ignore most of these checks given that the
  // network is also verifying the blocks, but we cannot as it'd open us to a variety of obscure attacks.
  //
  // Firstly we need to ensure this block does in fact represent real work done. If the difficulty is high
  // enough, it's probably been done by the network.
  checkProofOfWork(true);
  checkTimestamp();
}

代码示例来源：origin: cash.bitcoinj/bitcoinj-core

/**
 * <p>Finds a value of nonce that makes the blocks hash lower than the difficulty target. This is called mining, but
 * solve() is far too slow to do real mining with. It exists only for unit testing purposes.
 *
 * <p>This can loop forever if a solution cannot be found solely by incrementing nonce. It doesn't change
 * extraNonce.</p>
 */
public void solve() {
  while (true) {
    try {
      // Is our proof of work valid yet?
      if (checkProofOfWork(false))
        return;
      // No, so increment the nonce and try again.
      setNonce(getNonce() + 1);
    } catch (VerificationException e) {
      throw new RuntimeException(e); // Cannot happen.
    }
  }
}

代码示例来源：origin: greenaddress/GreenBits

/**
 * <p>Finds a value of nonce that makes the blocks hash lower than the difficulty target. This is called mining, but
 * solve() is far too slow to do real mining with. It exists only for unit testing purposes.
 *
 * <p>This can loop forever if a solution cannot be found solely by incrementing nonce. It doesn't change
 * extraNonce.</p>
 */
public void solve() {
  while (true) {
    try {
      // Is our proof of work valid yet?
      if (checkProofOfWork(false))
        return;
      // No, so increment the nonce and try again.
      setNonce(getNonce() + 1);
    } catch (VerificationException e) {
      throw new RuntimeException(e); // Cannot happen.
    }
  }
}

代码示例来源：origin: HashEngineering/dashj

/**
 * <p>Finds a value of nonce that makes the blocks hash lower than the difficulty target. This is called mining, but
 * solve() is far too slow to do real mining with. It exists only for unit testing purposes.
 *
 * <p>This can loop forever if a solution cannot be found solely by incrementing nonce. It doesn't change
 * extraNonce.</p>
 */
public void solve() {
  while (true) {
    try {
      // Is our proof of work valid yet?
      if (checkProofOfWork(false))
        return;
      // No, so increment the nonce and try again.
      setNonce(getNonce() + 1);
    } catch (VerificationException e) {
      throw new RuntimeException(e); // Cannot happen.
    }
  }
}

代码示例来源：origin: fr.acinq/bitcoinj-core

/**
 * <p>Finds a value of nonce that makes the blocks hash lower than the difficulty target. This is called mining, but
 * solve() is far too slow to do real mining with. It exists only for unit testing purposes.
 *
 * <p>This can loop forever if a solution cannot be found solely by incrementing nonce. It doesn't change
 * extraNonce.</p>
 */
public void solve() {
  while (true) {
    try {
      // Is our proof of work valid yet?
      if (checkProofOfWork(false))
        return;
      // No, so increment the nonce and try again.
      setNonce(getNonce() + 1);
    } catch (VerificationException e) {
      throw new RuntimeException(e); // Cannot happen.
    }
  }
}

代码示例来源：origin: dogecoin/libdohj

/** Returns true if the hash of the block is OK (lower than difficulty target). */
protected boolean checkProofOfWork(boolean throwException) throws VerificationException {
  if (params instanceof AltcoinNetworkParameters) {
    BigInteger target = getDifficultyTargetAsInteger();
    if (params instanceof AuxPoWNetworkParameters) {
      final AuxPoWNetworkParameters auxParams = (AuxPoWNetworkParameters)this.params;
      if (auxParams.isAuxPoWBlockVersion(getRawVersion()) && null != auxpow) {
        return auxpow.checkProofOfWork(this.getHash(), target, throwException);
      }
    }
    final AltcoinNetworkParameters altParams = (AltcoinNetworkParameters)this.params;
    BigInteger h = altParams.getBlockDifficultyHash(this).toBigInteger();
    if (h.compareTo(target) > 0) {
      // Proof of work check failed!
      if (throwException)
        throw new VerificationException("Hash is higher than target: " + getHashAsString() + " vs "
            + target.toString(16));
      else
        return false;
    }
    return true;
  } else {
    return super.checkProofOfWork(throwException);
  }
}