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

Example 16 with ChildNumber

use of org.bitcoinj.crypto.ChildNumber in project bitrafael_public by GENERALBYTESCOM.

the class MasterPrivateKeyBCH method serializePUB.

public static String serializePUB(DeterministicKey masterKey, int standard, int accountIndex, String cryptoCurrency) {
    final DeterministicKey purposeKey = HDKeyDerivation.deriveChildKey(masterKey, new ChildNumber(standard, true));
    final DeterministicKey coinKey = HDKeyDerivation.deriveChildKey(purposeKey, new ChildNumber(WalletTools.getCoinTypeByCryptoCurrency(cryptoCurrency), true));
    final DeterministicKey accountKey = HDKeyDerivation.deriveChildKey(coinKey, new ChildNumber(accountIndex, true));
    int header = 0x0488b21e;
    switch(standard) {
        case IWalletTools.STANDARD_BIP44:
            // xpub
            header = XPUB;
            break;
    }
    ByteBuffer ser = ByteBuffer.allocate(78);
    ser.putInt(header);
    ser.put((byte) accountKey.getDepth());
    ser.putInt(accountKey.getParentFingerprint());
    ser.putInt(accountKey.getChildNumber().i());
    ser.put(accountKey.getChainCode());
    ser.put(accountKey.getPubKey());
    checkState(ser.position() == 78);
    return Base58.encode(addChecksum(ser.array()));
}

Example 17 with ChildNumber

use of org.bitcoinj.crypto.ChildNumber in project bitrafael_public by GENERALBYTESCOM.

the class MasterPrivateKeyETH method serializePUB.

public static String serializePUB(DeterministicKey masterKey, int standard, int accountIndex, String cryptoCurrency) {
    final DeterministicKey purposeKey = HDKeyDerivation.deriveChildKey(masterKey, new ChildNumber(standard, true));
    final DeterministicKey coinKey = HDKeyDerivation.deriveChildKey(purposeKey, new ChildNumber(WalletTools.getCoinTypeByCryptoCurrency(cryptoCurrency), true));
    final DeterministicKey accountKey = HDKeyDerivation.deriveChildKey(coinKey, new ChildNumber(accountIndex, true));
    int header = 0x0488b21e;
    switch(standard) {
        case IWalletTools.STANDARD_BIP44:
            // xpub
            header = XPUB;
            break;
    }
    ByteBuffer ser = ByteBuffer.allocate(78);
    ser.putInt(header);
    ser.put((byte) accountKey.getDepth());
    ser.putInt(accountKey.getParentFingerprint());
    ser.putInt(accountKey.getChildNumber().i());
    ser.put(accountKey.getChainCode());
    ser.put(accountKey.getPubKey());
    checkState(ser.position() == 78);
    return Base58.encode(addChecksum(ser.array()));
}