Android Open Source - bitcoin-wallet Protocol Version

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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;
/* w ww  . j  a  v  a2s  .  c  o  m*/
import java.math.BigInteger;
import java.util.Vector;

import net.dirtyfilthy.bitcoin.core.Block;
import net.dirtyfilthy.bitcoin.core.BtcValue;
import net.dirtyfilthy.bitcoin.core.OpCode;
import net.dirtyfilthy.bitcoin.core.Tx;
import net.dirtyfilthy.bitcoin.core.TxIn;
import net.dirtyfilthy.bitcoin.core.TxOut;
import net.dirtyfilthy.bitcoin.util.MyHex;
import net.dirtyfilthy.bitcoin.util.HashTools;
import net.dirtyfilthy.bouncycastle.util.encoders.Hex;

public class ProtocolVersion {
  public static final byte MAGIC[]={(byte) 0xf9, (byte) 0xbe,(byte) 0xb4,(byte) 0xd9};
  public static final byte TEST_MAGIC[]={(byte) 0xfa, (byte) 0xbf, (byte) 0xb5, (byte) 0xda }; 
  private static BigInteger proofOfWorkLimit=new BigInteger("00000000FFFF0000000000000000000000000000000000000000000000000000",16);
  static private boolean useTestNet=false;
  static private final OpCode[] DISABLED_OPCODES={OpCode.OP_SUBSTR,OpCode.OP_LEFT, OpCode.OP_RIGHT, OpCode.OP_INVERT, OpCode.OP_AND, OpCode.OP_OR, 
    OpCode.OP_XOR, OpCode.OP_2MUL, OpCode.OP_2DIV, OpCode.OP_MUL, OpCode.OP_DIV, OpCode.OP_MOD, OpCode.OP_LSHIFT,OpCode.OP_RSHIFT};

  static public OpCode[] disabledOpCodes(){
    return DISABLED_OPCODES;
    
  }
  
  static public int version(){
    return 31800;
  }
  
  static public BigInteger proofOfWorkLimit(){
    return proofOfWorkLimit;
  }
  
  // the genesis block, TODO: add testnet genesis block
  
  static public Block genesisBlock(){
    Block g=new Block();
    g.setHeight(0);
      g.setBits(486604799);
    g.setTimestamp(new java.util.Date(1231006505000L));
    g.setBlockVersion(1);
    g.setNonce(2083236893);
    g.setMerkleRoot(HashTools.reverseByteArray(Hex.decode("4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b")));
//    TxIn in=new TxIn();
//    in.script().pushData(486604799);
//    in.script().pushData(4);
//    in.script().pushData(Hex.decode("736B6E616220726F662074756F6C69616220646E6F63657320666F206B6E697262206E6F20726F6C6C65636E61684320393030322F6E614A2F33302073656D695420656854"));
    TxOut out=new TxOut();
//    out.setValue(new BtcValue(50*BtcValue.COIN));
//    out.script().pushData(Hex.decode("5F1DF16B2B704C8A578D0BBAF74D385CDE12C11EE50455F3C438EF4C3FBCF649B6DE611FEAE06279A60939E028A8D65C10B73071A6F16719274855FEB0FD8A6704"));
//    out.script().pushOp(OpCode.OP_CHECKSIG);
    Tx tx=new Tx();
//    tx.getTxInputs().add(in);
//    tx.getTxOutputs().add(out);
    g.addTransaction(tx);
    return g;
  }
  
  // second block for testing

  static public Block secondBlock(){

    Block s=new Block();
    s.setBits(486604799);
    s.setTimestamp(new java.util.Date(1231469665000L));
    s.setBlockVersion(1);
    s.setNonce(2573394689L);
    s.setPreviousHash(HashTools.reverseByteArray(Hex.decode("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f")));
    s.setMerkleRoot(HashTools.reverseByteArray(Hex.decode("0e3e2357e806b6cdb1f70b54c3a3a17b6714ee1f0e68bebb44a74b1efd512098")));
    s.setHeadersOnly(true);
    // block header only
    return s;

  }
  
  static public byte[] magic(){
    if(useTestNet){
      return TEST_MAGIC;
    }
    else{
      return MAGIC;
    }
  }
  
  static public int ircPort(){
    return 6667;
  }
  
  static public byte addressVersion(){
    return (byte) (useTestNet ? 0xff : 0x00);
  }
  
  static public String ircHost(){
    return "92.243.23.21";
  }
  
  static public long targetTimespan(){ // in seconds
    return  14 * 24 * 60 * 60;
  }
  
  static public long targetInterval(){ // in seconds
    return  10 * 60;
  }
  
  static public int medianTimeSpan(){
    return 11;
  }
  

  
  static public String ircChannel(){
    return (useTestNet ? "#bitcoinTEST" : "#bitcoin");
  }
  
  static public boolean isUsingTestNet(){
    return useTestNet;
  }
  
  static public void useTestNet(boolean u){
    useTestNet=u;
  }
  
  
  
  
  

}

Java Source Code List