Examples with ChildNumber org.bitcoinj.crypto.ChildNumber used on opensource projects

Example 11 with ChildNumber

use of org.bitcoinj.crypto.ChildNumber in project snowblossom by snowblossomcoin.

the class SeedTest method testVector.

private void testVector(String seed, String data, String pw, String xprv) throws Exception {
    ByteString expected = HexUtil.hexStringToBytes(data);
    ByteString found = SeedUtil.decodeSeed(seed, pw);
    Assert.assertEquals(HexUtil.getHexString(expected), HexUtil.getHexString(found));
    DeterministicKey dk = HDKeyDerivation.createMasterPrivateKey(found.toByteArray());
    DeterministicHierarchy dh = new DeterministicHierarchy(dk);
    DeterministicKey dk_acct = dh.get(ImmutableList.of(new ChildNumber(44, true), new ChildNumber(0, true), new ChildNumber(0, true)), true, true);
    Assert.assertEquals(xprv, dk_acct.serializePrivB58(org.bitcoinj.params.MainNetParams.get()));
}

Example 12 with ChildNumber

use of org.bitcoinj.crypto.ChildNumber in project snowblossom by snowblossomcoin.

the class SeedTest method testGen.

private void testGen(int words) throws Exception {
    String seed = SeedUtil.generateSeed(words);
    List<String> lst = SeedUtil.getWordsFromSeed(seed);
    Assert.assertEquals(words, lst.size());
    ByteString seed_data = SeedUtil.decodeSeed(seed, "");
    System.out.println("Seed: " + seed + " " + HexUtil.getHexString(seed_data));
    DeterministicKey dk = HDKeyDerivation.createMasterPrivateKey(seed_data.toByteArray());
    DeterministicHierarchy dh = new DeterministicHierarchy(dk);
    System.out.println("Seed dk: " + dk.toString());
    System.out.println("Seed ser: " + dk.serializePrivB58(org.bitcoinj.params.MainNetParams.get()));
    DeterministicKey dk_acct = dh.get(ImmutableList.of(new ChildNumber(44, true), new ChildNumber(0, true), new ChildNumber(0, true)), true, true);
    System.out.println("Seed ser: " + dk_acct.serializePubB58(org.bitcoinj.params.MainNetParams.get()));
    System.out.println("Seed acct: " + dk_acct.toString());
    System.out.println("Seed acct xprv: " + dk_acct.serializePrivB58(org.bitcoinj.params.MainNetParams.get()));
    String xpub = SeedUtil.getSeedXpub(new NetworkParamsTestnet(), seed, "", 0);
    for (int c = 0; c < 2; c++) for (int i = 0; i < 20; i++) {
        WalletKeyPair wkp = SeedUtil.getKey(new NetworkParamsTestnet(), seed, "", 0, c, i);
        System.out.println("Seed wkp: " + HexUtil.getHexString(wkp.getSeedId()) + " " + wkp.getHdPath());
        Assert.assertTrue(wkp.getHdPath().startsWith("M/44H/2339H/0H/"));
        Assert.assertTrue(wkp.getSeedId().size() == 20);
        AddressSpecHash addr = AddressUtil.getHashForSpec(SeedUtil.getAddressSpec(new NetworkParamsTestnet(), xpub, c, i));
        AddressSpecHash wkp_addr = AddressUtil.getHashForSpec(AddressUtil.getSimpleSpecForKey(wkp));
        Assert.assertEquals(addr, wkp_addr);
        testKeyPair(wkp, "hd");
    }
    ByteString seed_id_seed = SeedUtil.getSeedId(new NetworkParamsTestnet(), seed, "", 0);
    ByteString seed_id_xpub = SeedUtil.getSeedIdFromXpub(xpub);
    Assert.assertEquals(seed_id_seed, seed_id_xpub);
    testSiteKey(seed);
}

Example 13 with ChildNumber

use of org.bitcoinj.crypto.ChildNumber in project snowblossom by snowblossomcoin.

the class SeedUtil method getKey.

public static WalletKeyPair getKey(NetworkParams params, String seed_str, String pass, int account, int change, int index) {
    ByteString seed = decodeSeed(seed_str, pass);
    DeterministicKey dk = HDKeyDerivation.createMasterPrivateKey(seed.toByteArray());
    DeterministicHierarchy dh = new DeterministicHierarchy(dk);
    ByteString seed_id = getSeedId(params, seed_str, pass, 0);
    DeterministicKey dk_addr = dh.get(ImmutableList.of(new ChildNumber(44, true), new ChildNumber(params.getBIP44CoinNumber(), true), new ChildNumber(account, true), new ChildNumber(change, false), new ChildNumber(index, false)), true, true);
    return getKeyFromDeterministicKey(dk_addr, seed_id, change, index);
}

Example 14 with ChildNumber

use of org.bitcoinj.crypto.ChildNumber in project snowblossom by snowblossomcoin.

the class SeedUtil method getSeedXpub.

public static String getSeedXpub(NetworkParams params, String seed_str, String pass, int account) {
    ByteString seed = decodeSeed(seed_str, pass);
    DeterministicKey dk = HDKeyDerivation.createMasterPrivateKey(seed.toByteArray());
    DeterministicHierarchy dh = new DeterministicHierarchy(dk);
    DeterministicKey dk_acct = dh.get(ImmutableList.of(new ChildNumber(44, true), new ChildNumber(params.getBIP44CoinNumber(), true), new ChildNumber(account, true)), true, true);
    String xpub = dk_acct.serializePubB58(org.bitcoinj.params.MainNetParams.get());
    return xpub;
}

Example 15 with ChildNumber

use of org.bitcoinj.crypto.ChildNumber in project opb-sdk-java by bianjieai.

the class Bip44Utils method parsePath.

private static List<ChildNumber> parsePath(String path) {
    String[] parsedNodes = path.replace("m", "").split("/");
    List<ChildNumber> nodes = new ArrayList<>();
    for (String n : parsedNodes) {
        n = n.replaceAll(" ", "");
        if (n.length() == 0)
            continue;
        boolean isHard = n.endsWith("'");
        if (isHard)
            n = n.substring(0, n.length() - 1);
        int nodeNumber = Integer.parseInt(n);
        nodes.add(new ChildNumber(nodeNumber, isHard));
    }
    return nodes;
}