Bitcoin Forum

python btcrecover.py --brainwallet --addresses 1YOURaddressHERE --tokenlist ./path/to/your/tokens/file.txt

import org.bitcoinj.core.Base58;
import org.bitcoinj.core.ECKey;
import org.bitcoinj.core.LegacyAddress;
import org.bitcoinj.core.NetworkParameters;
import org.bitcoinj.params.MainNetParams;
import java.io.*;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.sql.*;
import java.util.Date;

public class Brain {

    static final NetworkParameters NETWORK_PARAMETERS = MainNetParams.get();
    static final int STATUS_PERIOD = 1000*60*1;
    static MessageDigest messageDigest;
    static Statement statement;

    public static void main(String[] args) throws NoSuchAlgorithmException, InvalidAlgorithmParameterException, InvalidKeyException, IOException, InterruptedException {

        db();

        messageDigest = MessageDigest.getInstance("SHA-256");
        String filename=args[0];
        int skip = 0;
        if (args.length>1){
            skip = Integer.valueOf(args[1]);
        }
        FileReader fileReader = null;
        try {
            fileReader = new FileReader(filename);
        } catch (FileNotFoundException e) {
            System.err.println("not found: " + filename);
            System.exit(-1);
        }
        long count = 0;
        long start = 0;
        System.out.println("Brain start");
        try {
            BufferedReader bufferReader = new BufferedReader(fileReader);
            String line;
            while ((line = bufferReader.readLine()) != null) {
                if (line.trim().isEmpty()){
                    continue;
                }
                count++;
                if (skip>0){
                    if (count<skip) {
                        continue;
                    }
                    skip = 0;
                }
                test(line);
                test(line.toLowerCase());
                test(line.toUpperCase());
                if (line.endsWith(",")){
                    line=line.substring(0, line.length()-1);
                    test(line);
                    test(line.toLowerCase());
                    test(line.toUpperCase());
                }
                if (System.currentTimeMillis()-start > STATUS_PERIOD){
                    System.out.println("UP!"+count+" "+ line + " " + (new Date()));
                    start = System.currentTimeMillis();
                    count = 0;
                }
            }
        }catch (Exception e){
            System.err.println(e.getLocalizedMessage());
            System.exit(-1);
        }
        System.out.println("Brain end");
    }

    private static void db() {

        try{
            Connection connection = DriverManager.getConnection("jdbc:postgresql://localhost:5433/btc", "postgres", "password");
            System.out.println("Connected to PostgreSQL database!");
            statement = connection.createStatement();
        }catch (Exception e){
            System.out.println(e.getMessage());
            System.exit(-1);
        }
    }

    private static void test(String text) throws IOException, SQLException {
        messageDigest.update(text.getBytes("UTF-8"));
        ECKey ecKey = new ECKey(messageDigest.digest(), (byte[])null);
        String address = LegacyAddress.fromKey(NETWORK_PARAMETERS, ecKey).toString();
        if (checkAddressDatabase(address)){
            System.out.println(text + "|" + ecKey.getPrivateKeyAsHex()+"|"+ecKey.getPrivateKeyAsWiF(NETWORK_PARAMETERS)+"|"+address);
            FileWriter myWriter = new FileWriter("brainResult.txt", true);
            myWriter.write(text + "|" + ecKey.getPrivateKeyAsHex()+"|"+ecKey.getPrivateKeyAsWiF(NETWORK_PARAMETERS)+"|"+address);
            myWriter.close();
        }
        ecKey = PrivateKey.fromBase58(NETWORK_PARAMETERS, getCompressedWif(ecKey.getPrivateKeyAsHex())).getKey();
        address = LegacyAddress.fromKey(NETWORK_PARAMETERS, ecKey).toString();
        if (checkAddressDatabase(address)){
            System.out.println(text + "|" + ecKey.getPrivateKeyAsHex()+"|"+ecKey.getPrivateKeyAsWiF(NETWORK_PARAMETERS)+"|"+address);
            FileWriter myWriter = new FileWriter("brainResult.txt", true);
            myWriter.write(text + "|" + ecKey.getPrivateKeyAsHex()+"|"+ecKey.getPrivateKeyAsWiF(NETWORK_PARAMETERS)+"|"+address);
            myWriter.write("\r\n");
            myWriter.close();
        }
    }

    private static String getCompressedWif(String hex){
        String string = "80"+hex+"01";
        byte[] digest = messageDigest.digest(hexStringToByteArray(string));
        String checksum  = bytesToHex(messageDigest.digest(digest)).substring(0,8);
        byte[] data = hexStringToByteArray(string + checksum);
        return Base58.encode(data);
    }

    private static boolean checkAddressDatabase(String address) throws SQLException {
        ResultSet resultSet = statement.executeQuery("SELECT balance FROM public.address WHERE address='"+address+"'");
        while (resultSet.next()) {
            return true;
        }
        return false;
    }

    private static String bytesToHex(byte[] bytes) {
        StringBuffer result = new StringBuffer();
        for (byte b : bytes) result.append(Integer.toString((b & 0xff) + 0x100, 16).substring(1));
        return result.toString();
    }

    private static byte[] hexStringToByteArray(String s) {
        int len = s.length();
        byte[] data = new byte[len / 2];
        for (int i = 0; i < len; i += 2) {
            data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
                    + Character.digit(s.charAt(i+1), 16));
        }
        return data;
    }
}

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