org.bitcoinj.core.Utils.uint32ToByteArrayLE()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中org.bitcoinj.core.Utils.uint32ToByteArrayLE()方法的一些代码示例，展示了Utils.uint32ToByteArrayLE()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。Utils.uint32ToByteArrayLE()方法的具体详情如下：
包路径：org.bitcoinj.core.Utils
类名称：Utils
方法名：uint32ToByteArrayLE

Utils.uint32ToByteArrayLE介绍

暂无

代码示例

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

/**
 * Writes message to to the output stream.
 */
@Override
public void serialize(String name, byte[] message, OutputStream out) throws IOException {
  byte[] header = new byte[4 + COMMAND_LEN + 4 + 4 /* checksum */];
  uint32ToByteArrayBE(params.getPacketMagic(), header, 0);
  // The header array is initialized to zero by Java so we don't have to worry about
  // NULL terminating the string here.
  for (int i = 0; i < name.length() && i < COMMAND_LEN; i++) {
    header[4 + i] = (byte) (name.codePointAt(i) & 0xFF);
  }
  Utils.uint32ToByteArrayLE(message.length, header, 4 + COMMAND_LEN);
  byte[] hash = Sha256Hash.hashTwice(message);
  System.arraycopy(hash, 0, header, 4 + COMMAND_LEN + 4, 4);
  out.write(header);
  out.write(message);
  if (log.isDebugEnabled())
    log.debug("Sending {} message: {}", name, HEX.encode(header) + HEX.encode(message));
}

代码示例来源：origin: fr.acinq/bitcoinj-core

/**
 * Writes message to to the output stream.
 */
@Override
public void serialize(String name, byte[] message, OutputStream out) throws IOException {
  byte[] header = new byte[4 + COMMAND_LEN + 4 + 4 /* checksum */];
  uint32ToByteArrayBE(params.getPacketMagic(), header, 0);
  // The header array is initialized to zero by Java so we don't have to worry about
  // NULL terminating the string here.
  for (int i = 0; i < name.length() && i < COMMAND_LEN; i++) {
    header[4 + i] = (byte) (name.codePointAt(i) & 0xFF);
  }
  Utils.uint32ToByteArrayLE(message.length, header, 4 + COMMAND_LEN);
  byte[] hash = Sha256Hash.hashTwice(message);
  System.arraycopy(hash, 0, header, 4 + COMMAND_LEN + 4, 4);
  out.write(header);
  out.write(message);
  if (log.isDebugEnabled())
    log.debug("Sending {} message: {}", name, HEX.encode(header) + HEX.encode(message));
}

代码示例来源：origin: greenaddress/GreenBits

/**
 * Writes message to to the output stream.
 */
@Override
public void serialize(String name, byte[] message, OutputStream out) throws IOException {
  byte[] header = new byte[4 + COMMAND_LEN + 4 + 4 /* checksum */];
  uint32ToByteArrayBE(params.getPacketMagic(), header, 0);
  // The header array is initialized to zero by Java so we don't have to worry about
  // NULL terminating the string here.
  for (int i = 0; i < name.length() && i < COMMAND_LEN; i++) {
    header[4 + i] = (byte) (name.codePointAt(i) & 0xFF);
  }
  Utils.uint32ToByteArrayLE(message.length, header, 4 + COMMAND_LEN);
  byte[] hash = Sha256Hash.hashTwice(message);
  System.arraycopy(hash, 0, header, 4 + COMMAND_LEN + 4, 4);
  out.write(header);
  out.write(message);
  if (log.isDebugEnabled())
    log.debug("Sending {} message: {}", name, HEX.encode(header) + HEX.encode(message));
}

代码示例来源：origin: HashEngineering/dashj

/**
 * Writes message to to the output stream.
 */
@Override
public void serialize(String name, byte[] message, OutputStream out) throws IOException {
  byte[] header = new byte[4 + COMMAND_LEN + 4 + 4 /* checksum */];
  uint32ToByteArrayBE(params.getPacketMagic(), header, 0);
  // The header array is initialized to zero by Java so we don't have to worry about
  // NULL terminating the string here.
  for (int i = 0; i < name.length() && i < COMMAND_LEN; i++) {
    header[4 + i] = (byte) (name.codePointAt(i) & 0xFF);
  }
  Utils.uint32ToByteArrayLE(message.length, header, 4 + COMMAND_LEN);
  byte[] hash = Sha256Hash.hashTwice(message);
  System.arraycopy(hash, 0, header, 4 + COMMAND_LEN + 4, 4);
  out.write(header);
  out.write(message);
  if (log.isDebugEnabled())
    log.debug("Sending {} message: {}", name, HEX.encode(header) + HEX.encode(message));
}

代码示例来源：origin: fr.acinq/bitcoinj-core

/**
   * Encodes the value into its minimal representation.
   *
   * @return the minimal encoded bytes of the value
   */
  public byte[] encode() {
    byte[] bytes;
    switch (sizeOf(value)) {
      case 1:
        return new byte[]{(byte) value};
      case 3:
        return new byte[]{(byte) 253, (byte) (value), (byte) (value >> 8)};
      case 5:
        bytes = new byte[5];
        bytes[0] = (byte) 254;
        Utils.uint32ToByteArrayLE(value, bytes, 1);
        return bytes;
      default:
        bytes = new byte[9];
        bytes[0] = (byte) 255;
        Utils.uint64ToByteArrayLE(value, bytes, 1);
        return bytes;
    }
  }
}

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

/**
   * Encodes the value into its minimal representation.
   *
   * @return the minimal encoded bytes of the value
   */
  public byte[] encode() {
    byte[] bytes;
    switch (sizeOf(value)) {
      case 1:
        return new byte[]{(byte) value};
      case 3:
        return new byte[]{(byte) 253, (byte) (value), (byte) (value >> 8)};
      case 5:
        bytes = new byte[5];
        bytes[0] = (byte) 254;
        Utils.uint32ToByteArrayLE(value, bytes, 1);
        return bytes;
      default:
        bytes = new byte[9];
        bytes[0] = (byte) 255;
        Utils.uint64ToByteArrayLE(value, bytes, 1);
        return bytes;
    }
  }
}

代码示例来源：origin: greenaddress/GreenBits

/**
   * Encodes the value into its minimal representation.
   *
   * @return the minimal encoded bytes of the value
   */
  public byte[] encode() {
    byte[] bytes;
    switch (sizeOf(value)) {
      case 1:
        return new byte[]{(byte) value};
      case 3:
        return new byte[]{(byte) 253, (byte) (value), (byte) (value >> 8)};
      case 5:
        bytes = new byte[5];
        bytes[0] = (byte) 254;
        Utils.uint32ToByteArrayLE(value, bytes, 1);
        return bytes;
      default:
        bytes = new byte[9];
        bytes[0] = (byte) 255;
        Utils.uint64ToByteArrayLE(value, bytes, 1);
        return bytes;
    }
  }
}

代码示例来源：origin: HashEngineering/dashj

/**
   * Encodes the value into its minimal representation.
   *
   * @return the minimal encoded bytes of the value
   */
  public byte[] encode() {
    byte[] bytes;
    switch (sizeOf(value)) {
      case 1:
        return new byte[]{(byte) value};
      case 3:
        return new byte[]{(byte) 253, (byte) (value), (byte) (value >> 8)};
      case 5:
        bytes = new byte[5];
        bytes[0] = (byte) 254;
        Utils.uint32ToByteArrayLE(value, bytes, 1);
        return bytes;
      default:
        bytes = new byte[9];
        bytes[0] = (byte) 255;
        Utils.uint64ToByteArrayLE(value, bytes, 1);
        return bytes;
    }
  }
}

代码示例来源：origin: HashEngineering/dashj

public Sha256Hash getHash()
{
  byte [] dataToHash = new byte[pubKeyCollateralAddress.getBytes().length+8];
  Utils.uint32ToByteArrayLE(sigTime, dataToHash, 0);
  System.arraycopy(pubKeyCollateralAddress.getBytes(), 0, dataToHash, 8, pubKeyCollateralAddress.getBytes().length);
  try {
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(8 + vin.getMessageSize() + pubKeyCollateralAddress.calculateMessageSizeInBytes());
    vin.bitcoinSerialize(bos);
    Utils.int64ToByteStreamLE(sigTime, bos);
    pubKeyCollateralAddress.bitcoinSerialize(bos);
    return Sha256Hash.wrapReversed(Sha256Hash.hashTwice((bos.toByteArray())));
  }
  catch (IOException e)
  {
    throw new RuntimeException(e); // Cannot happen.
  }
}

代码示例来源：origin: greenaddress/GreenBits

Utils.uint32ToByteArrayLE((long)b64Original.block.getTransactions().size(), varIntBytes, 1);
Utils.uint32ToByteArrayLE(((long)b64Original.block.getTransactions().size()) >>> 32, varIntBytes, 5);
stream.write(varIntBytes);
checkState(new VarInt(varIntBytes, 0).value == b64Original.block.getTransactions().size());
Utils.uint32ToByteArrayLE(Script.MAX_SCRIPT_ELEMENT_SIZE + 1, outputScript, Block.MAX_BLOCK_SIGOPS - sigOps + 1);
tx.addOutput(new TransactionOutput(params, tx, SATOSHI, outputScript));
addOnlyInputToTransaction(tx, b73);
Utils.uint32ToByteArrayLE(Block.MAX_BLOCK_SIGOPS, outputScript, Block.MAX_BLOCK_SIGOPS - sigOps + 1);
tx.addOutput(new TransactionOutput(params, tx, SATOSHI, outputScript));
addOnlyInputToTransaction(tx, b76);

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