BlockMessage.java

package org.ripple.power.txns.btc;

import java.io.EOFException;
import java.nio.ByteBuffer;

/**
 * The 'block' message consists of a single serialized block.
 */
public class BlockMessage {

    /**
     * Build a 'block' message
     *
     * @param       peer                    The destination peer or null for a broadcast message
     * @param       block                   Block to be sent to the peer
     * @return                              'block' message
     */
    public static Message buildBlockMessage(Peer peer, Block block) {
        ByteBuffer buffer = MessageHeader.buildMessage("block", block.getBytes());
        return new Message(buffer, peer, MessageHeader.MessageCommand.BLOCK);
    }

    /**
     * Build a 'block' message
     *
     * @param       peer                    The destination peer or null for a broadcast message
     * @param       blockData               Serialized block
     * @return                              'block' message
     */
    public static Message buildBlockMessage(Peer peer, byte[] blockData) {
        ByteBuffer buffer = MessageHeader.buildMessage("block", blockData);
        return new Message(buffer, peer, MessageHeader.MessageCommand.BLOCK);
    }

    /**
     * Process a 'block' message
     *
     * @param       msg                     Message
     * @param       inBuffer                Input buffer
     * @param       msgListener             Message listener
     * @throws      EOFException            End-of-data while processing stream
     * @throws      VerificationException   Block verification failed
     */
    public static void processBlockMessage(Message msg, SerializedBuffer inBuffer, MessageListener msgListener)
                                            throws EOFException, VerificationException {
        //
        // Get the block
        //
        Block block = new Block(inBuffer, true);
        //
        // Notify the message listener
        //
        msgListener.processBlock(msg, block);
    }
}