import com.google.bitcoin.core.DumpedPrivateKey; //导入依赖的package包/类
public static ECKey parsePrivateKey(String format, String contents, String password) throws Exception { 
	if (format.equals("sipa") || format.equals("compsipa")) {
		DumpedPrivateKey pk = new DumpedPrivateKey(MainNetParams.get(), contents);
		return pk.getKey();
	} else if (format.equals("base58")) {
		return MyWallet.decodeBase58PK(contents);
	} else if (format.equals("base64")) {
		return MyWallet.decodeBase64PK(contents);
	} else if (format.equals("hex")) {
		return MyWallet.decodeHexPK(contents);
	}else if (format.equals("bip38")) {
		return parseBIP38 (contents, password);
	} else {
		throw new Exception("Unable to handle format " + format);
	}
}
 

import com.google.bitcoin.core.DumpedPrivateKey; //导入依赖的package包/类
public ECKey verify(String input) throws WrongInputException {
try {
	ECKey sk = new DumpedPrivateKey(params, input).getKey();
	if (pkHash != null && !Arrays.equals(sk.getPubKeyHash(), pkHash)) {
		throw new WrongInputException("The secret key does not correspond expected public key.");
	}
	return sk;
} catch (AddressFormatException e) {
	throw new WrongInputException("Wrong format of the secret key.");
} 
     }
 

import com.google.bitcoin.core.DumpedPrivateKey; //导入依赖的package包/类
public static ECKey importKey(String privkey) throws Exception {
    //only accepts a very specific type of address. from dumpprivkey functionality in Bitcoin core.
    DumpedPrivateKey dump = new DumpedPrivateKey(Constants.NETWORK_PARAMETERS, privkey);
    return dump.getKey();
    // ECKey key = dump.getKey();
    // return key.toAddress(NETWORK_PARAMETERS);
    // return key.getPubKey();

}
 

import com.google.bitcoin.core.DumpedPrivateKey; //导入依赖的package包/类
public Address generate() throws AddressFormatException {
    ECKey key = new DumpedPrivateKey(params, privKeys[(privKeyCounter++)
            % privKeys.length]).getKey();
    wallet.addKey(key);
    byte[] pubKeyHash = key.getPubKeyHash();
    return new Address(params, pubKeyHash);
}
 

import com.google.bitcoin.core.DumpedPrivateKey; //导入依赖的package包/类
public Address importPrivateKey(String privKey)
        throws AddressFormatException {
    ECKey key = new DumpedPrivateKey(params, privKey).getKey();
    wallet.addKey(key);
    byte[] pubKeyHash = key.getPubKeyHash();
    return new Address(params, pubKeyHash);
}