Examples with ExtendedKey com.sparrowwallet.drongo.ExtendedKey used on opensource projects

Example 6 with ExtendedKey

use of com.sparrowwallet.drongo.ExtendedKey in project sparrow by sparrowwallet.

the class KeystoneSinglesig method getKeystore.

@Override
public Keystore getKeystore(ScriptType scriptType, InputStream inputStream, String password) throws ImportException {
    try {
        String outputDescriptor = new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8)).lines().collect(Collectors.joining("\n"));
        OutputDescriptor descriptor = OutputDescriptor.getOutputDescriptor(outputDescriptor);
        if (descriptor.isMultisig()) {
            throw new IllegalArgumentException("Output descriptor describes a multisig wallet");
        }
        if (descriptor.getScriptType() != scriptType) {
            throw new IllegalArgumentException("Output descriptor describes a " + descriptor.getScriptType().getDescription() + " wallet");
        }
        ExtendedKey xpub = descriptor.getSingletonExtendedPublicKey();
        KeyDerivation keyDerivation = descriptor.getKeyDerivation(xpub);
        Keystore keystore = new Keystore();
        keystore.setLabel(getName());
        keystore.setSource(KeystoreSource.HW_AIRGAPPED);
        keystore.setWalletModel(WalletModel.KEYSTONE);
        keystore.setKeyDerivation(keyDerivation);
        keystore.setExtendedPublicKey(xpub);
        return keystore;
    } catch (IllegalArgumentException e) {
        throw new ImportException("Error getting " + getName() + " keystore - not an output descriptor", e);
    } catch (Exception e) {
        throw new ImportException("Error getting " + getName() + " keystore", e);
    }
}

Example 7 with ExtendedKey

use of com.sparrowwallet.drongo.ExtendedKey in project drongo by sparrowwallet.

the class Keystore method rederiveKeystoreFromMaster.

private static void rederiveKeystoreFromMaster(Keystore keystore, List<ChildNumber> derivation) throws MnemonicException {
    ExtendedKey xprv = keystore.getExtendedMasterPrivateKey();
    String masterFingerprint = Utils.bytesToHex(xprv.getKey().getFingerprint());
    DeterministicKey derivedKey = xprv.getKey(derivation);
    DeterministicKey derivedKeyPublicOnly = derivedKey.dropPrivateBytes().dropParent();
    ExtendedKey xpub = new ExtendedKey(derivedKeyPublicOnly, derivedKey.getParentFingerprint(), derivation.isEmpty() ? ChildNumber.ZERO : derivation.get(derivation.size() - 1));
    keystore.setSource(KeystoreSource.SW_SEED);
    keystore.setWalletModel(WalletModel.SPARROW);
    keystore.setKeyDerivation(new KeyDerivation(masterFingerprint, KeyDerivation.writePath(derivation)));
    keystore.setExtendedPublicKey(ExtendedKey.fromDescriptor(xpub.toString()));
    int account = ScriptType.getScriptTypesForPolicyType(PolicyType.SINGLE).stream().mapToInt(scriptType -> scriptType.getAccount(keystore.getKeyDerivation().getDerivationPath())).filter(idx -> idx > -1).findFirst().orElse(0);
    List<ChildNumber> bip47Derivation = KeyDerivation.getBip47Derivation(account);
    DeterministicKey bip47Key = xprv.getKey(bip47Derivation);
    ExtendedKey bip47ExtendedPrivateKey = new ExtendedKey(bip47Key, bip47Key.getParentFingerprint(), bip47Derivation.get(bip47Derivation.size() - 1));
    keystore.setBip47ExtendedPrivateKey(ExtendedKey.fromDescriptor(bip47ExtendedPrivateKey.toString()));
}

Example 8 with ExtendedKey

use of com.sparrowwallet.drongo.ExtendedKey in project drongo by sparrowwallet.

the class Keystore method getExtendedPrivateKey.

public ExtendedKey getExtendedPrivateKey() throws MnemonicException {
    List<ChildNumber> derivation = getKeyDerivation().getDerivation();
    DeterministicKey derivedKey = getExtendedMasterPrivateKey().getKey(derivation);
    ExtendedKey xprv = new ExtendedKey(derivedKey, derivedKey.getParentFingerprint(), derivation.isEmpty() ? ChildNumber.ZERO : derivation.get(derivation.size() - 1));
    // Recreate from xprv string to reset path to single ChildNumber at the derived depth
    return ExtendedKey.fromDescriptor(xprv.toString());
}

Example 9 with ExtendedKey

use of com.sparrowwallet.drongo.ExtendedKey in project drongo by sparrowwallet.

the class PSBTTest method validP2wpkh2InputsWithXpub.

@Test
public void validP2wpkh2InputsWithXpub() throws PSBTParseException {
    String psbt = "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";
    PSBT psbt1 = PSBT.fromString(psbt);
    ExtendedKey extendedPublicKey = psbt1.getExtendedPublicKeys().keySet().iterator().next();
    KeyDerivation keyDerivation = psbt1.getKeyDerivation(extendedPublicKey);
    Assert.assertEquals("27569c50", keyDerivation.getMasterFingerprint());
    Assert.assertEquals("m/49'/0'/0'", keyDerivation.getDerivationPath());
    Assert.assertEquals(2, psbt1.getPsbtInputs().size());
}

Example 10 with ExtendedKey

use of com.sparrowwallet.drongo.ExtendedKey in project drongo by sparrowwallet.

the class WalletTest method testHighDerivationPath.

@Test
public void testHighDerivationPath() {
    Wallet wallet = new Wallet();
    wallet.setPolicyType(PolicyType.SINGLE);
    wallet.setScriptType(ScriptType.P2WPKH);
    Keystore keystore = new Keystore();
    keystore.setKeyDerivation(new KeyDerivation("ffffffff", "m/84'/0'/2147483646'"));
    ExtendedKey extendedKey = ExtendedKey.fromDescriptor("ypub6WxQGZTrBdeYSD6ZnSxopCGnuS7dhbqc72S3sbjdFjxf8eBR3EJDB3iDMhny2tKogZnpaJcjoHC6zF5Cz1jSMrFFR1wrqfA1MFsWP3ACotd");
    keystore.setExtendedPublicKey(extendedKey);
    wallet.getKeystores().add(keystore);
    List<ChildNumber> derivation = List.of(keystore.getExtendedPublicKey().getKeyChildNumber(), new ChildNumber(0));
    Assert.assertEquals("027ecc656f4b91b92881b6f07cf876cd2e42b20df7acc4df54fc3315fbb2d13e1c", Utils.bytesToHex(extendedKey.getKey(derivation).getPubKey()));
    WalletNode receive0 = new WalletNode(wallet, KeyPurpose.RECEIVE, 0);
    Assert.assertEquals("bc1qarzeu6ncapyvjzdeayjq8vnzp6uvcn4eaeuuqq", receive0.getAddress().toString());
}