Android Open Source - bitcoin-wallet Get Blocks Packet

From Project

Back to project page bitcoin-wallet.

License

The source code is released under:

Copyright (C) 2011 by Caleb Anderson Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the ...

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Java Source Code

package net.dirtyfilthy.bitcoin.protocol;
/*  www  .  java2  s  .com*/
import java.io.DataInputStream;
import java.io.IOException;
import java.util.Vector;

import net.dirtyfilthy.bitcoin.core.Address;
import net.dirtyfilthy.bitcoin.util.MyHex;

public class GetBlocksPacket extends Packet {
  
  private Vector<byte[]>startHashes=new Vector<byte[]>();
  private byte[] endHash=new byte[32];
  
  public GetBlocksPacket() {
    super();
    command="getblocks";
  }

  public GetBlocksPacket(long ver) {
    super(ver);
    command="getblocks";
  }
  
  public void readData(DataInputStream in) throws IOException{
    this.version=(long) Integer.reverseBytes(in.readInt()) & 0xffffffffL;
    int items=(int) Packet.readUnsignedVarInt(in);
    this.startHashes=new Vector<byte[]>();
    
    for(int i=0;i<items;i++){
      byte[] hash=new byte[32];
      in.read(hash);
      startHashes.add(hash);
    }
    in.read(endHash);
  }
  
  public byte[] create(){
    System.out.println("putting hashes");
    dataBuffer.putInt((int) this.version);
    writeUnsignedVarInt(startHashes.size());
    for(byte[] hash : startHashes){
      System.out.println("Sending hash "+MyHex.encode(hash));
      dataBuffer.put(hash);
    }
    dataBuffer.put(endHash);
    return toByteArray();
  }

  public void setStartHashes(Vector<byte[]> startHashes) {
    this.startHashes = startHashes;
  }

  public Vector<byte[]> startHashes() {
    return startHashes;
  }

  public void setEndHash(byte[] endHash) {
    this.endHash = endHash;
  }

  public byte[] getEndHash() {
    return endHash;
  }

}

Java Source Code List