Examples with ScriptType com.sparrowwallet.drongo.protocol.ScriptType used on opensource projects

Example 16 with ScriptType

use of com.sparrowwallet.drongo.protocol.ScriptType 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 17 with ScriptType

use of com.sparrowwallet.drongo.protocol.ScriptType in project drongo by sparrowwallet.

the class OutputDescriptor method getOutputDescriptor.

// See https://github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md
public static OutputDescriptor getOutputDescriptor(String descriptor) {
    ScriptType scriptType = ScriptType.fromDescriptor(descriptor);
    if (scriptType == null) {
        ExtendedKey.Header header = ExtendedKey.Header.fromExtendedKey(descriptor);
        scriptType = header.getDefaultScriptType();
    }
    if (scriptType == null) {
        throw new IllegalArgumentException("Cannot determine script type from descriptor: " + descriptor);
    }
    int threshold = getMultisigThreshold(descriptor);
    return getOutputDescriptorImpl(scriptType, threshold, descriptor);
}

Example 18 with ScriptType

use of com.sparrowwallet.drongo.protocol.ScriptType in project drongo by sparrowwallet.

the class KeystoreTest method testFromSeed.

@Test
public void testFromSeed() throws MnemonicException {
    ScriptType p2pkh = ScriptType.P2PKH;
    DeterministicSeed seed = new DeterministicSeed("absent essay fox snake vast pumpkin height crouch silent bulb excuse razor", "", 0, DeterministicSeed.Type.BIP39);
    Keystore keystore = Keystore.fromSeed(seed, p2pkh.getDefaultDerivation());
    Assert.assertEquals("xpub6D9jqMkBdgTqrzTxXVo2w8yZCa7HvzJTybFevJ2StHSxBRhs8dzsVEke9TQ9QjZCKbWZvzbc8iSScBbsCiA11wT28hZmCv3YmjSFEqCLmMn", keystore.getExtendedPublicKey().toString());
}