/*
* Copyright 2014 Andreas Schildbach
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.bitcoinj.protocols.payments;
import org.bitcoinj.core.*;
import org.bitcoinj.crypto.X509Utils;
import org.bitcoinj.params.TestNet3Params;
import org.bitcoinj.params.UnitTestParams;
import org.bitcoinj.protocols.payments.PaymentProtocol.Output;
import org.bitcoinj.protocols.payments.PaymentProtocol.PkiVerificationData;
import org.bitcoinj.protocols.payments.PaymentProtocolException.PkiVerificationException;
import org.bitcoinj.script.ScriptBuilder;
import org.bitcoinj.testing.FakeTxBuilder;
import org.bitcoin.protocols.payments.Protos;
import org.bitcoin.protocols.payments.Protos.Payment;
import org.bitcoin.protocols.payments.Protos.PaymentACK;
import org.bitcoin.protocols.payments.Protos.PaymentRequest;
import org.junit.Before;
import org.junit.Test;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import java.util.LinkedList;
import java.util.List;
import static org.junit.Assert.*;
public class PaymentProtocolTest {
// static test data
private static final NetworkParameters NETWORK_PARAMS = UnitTestParams.get();
private static final Coin AMOUNT = Coin.SATOSHI;
private static final Address TO_ADDRESS = new ECKey().toAddress(NETWORK_PARAMS);
private static final String MEMO = "memo";
private static final String PAYMENT_URL = "https://example.com";
private static final byte[] MERCHANT_DATA = { 0, 1, 2 };
private KeyStore caStore;
private X509Certificate caCert;
@Before
public void setUp() throws Exception {
caStore = X509Utils.loadKeyStore("JKS", "password", getClass().getResourceAsStream("test-cacerts"));
caCert = (X509Certificate) caStore.getCertificate("test-cacert");
}
@Test
public void testSignAndVerifyValid() throws Exception {
Protos.PaymentRequest.Builder paymentRequest = minimalPaymentRequest().toBuilder();
// Sign
KeyStore keyStore = X509Utils
.loadKeyStore("JKS", "password", getClass().getResourceAsStream("test-valid-cert"));
PrivateKey privateKey = (PrivateKey) keyStore.getKey("test-valid", "password".toCharArray());
X509Certificate clientCert = (X509Certificate) keyStore.getCertificate("test-valid");
PaymentProtocol.signPaymentRequest(paymentRequest, new X509Certificate[]{clientCert}, privateKey);
// Verify
PkiVerificationData verificationData = PaymentProtocol.verifyPaymentRequestPki(paymentRequest.build(), caStore);
assertNotNull(verificationData);
assertEquals(caCert, verificationData.rootAuthority.getTrustedCert());
}
@Test(expected = PkiVerificationException.class)
public void testSignAndVerifyExpired() throws Exception {
Protos.PaymentRequest.Builder paymentRequest = minimalPaymentRequest().toBuilder();
// Sign
KeyStore keyStore = X509Utils.loadKeyStore("JKS", "password",
getClass().getResourceAsStream("test-expired-cert"));
PrivateKey privateKey = (PrivateKey) keyStore.getKey("test-expired", "password".toCharArray());
X509Certificate clientCert = (X509Certificate) keyStore.getCertificate("test-expired");
PaymentProtocol.signPaymentRequest(paymentRequest, new X509Certificate[]{clientCert}, privateKey);
// Verify
PaymentProtocol.verifyPaymentRequestPki(paymentRequest.build(), caStore);
}
private Protos.PaymentRequest minimalPaymentRequest() {
Protos.PaymentDetails.Builder paymentDetails = Protos.PaymentDetails.newBuilder();
paymentDetails.setTime(System.currentTimeMillis());
Protos.PaymentRequest.Builder paymentRequest = Protos.PaymentRequest.newBuilder();
paymentRequest.setSerializedPaymentDetails(paymentDetails.build().toByteString());
return paymentRequest.build();
}
@Test
public void testPaymentRequest() throws Exception {
// Create
PaymentRequest paymentRequest = PaymentProtocol.createPaymentRequest(TestNet3Params.get(), AMOUNT, TO_ADDRESS, MEMO,
PAYMENT_URL, MERCHANT_DATA).build();
byte[] paymentRequestBytes = paymentRequest.toByteArray();
// Parse
PaymentSession parsedPaymentRequest = PaymentProtocol.parsePaymentRequest(PaymentRequest
.parseFrom(paymentRequestBytes));
final List<Output> parsedOutputs = parsedPaymentRequest.getOutputs();
assertEquals(1, parsedOutputs.size());
assertEquals(AMOUNT, parsedOutputs.get(0).amount);
assertArrayEquals(ScriptBuilder.createOutputScript(TO_ADDRESS).getProgram(), parsedOutputs.get(0).scriptData);
assertEquals(MEMO, parsedPaymentRequest.getMemo());
assertEquals(PAYMENT_URL, parsedPaymentRequest.getPaymentUrl());
assertArrayEquals(MERCHANT_DATA, parsedPaymentRequest.getMerchantData());
}
@Test
public void testPaymentMessage() throws Exception {
// Create
List<Transaction> transactions = new LinkedList<Transaction>();
transactions.add(FakeTxBuilder.createFakeTx(NETWORK_PARAMS, AMOUNT, TO_ADDRESS));
Coin refundAmount = Coin.SATOSHI;
Address refundAddress = new ECKey().toAddress(NETWORK_PARAMS);
Payment payment = PaymentProtocol.createPaymentMessage(transactions, refundAmount, refundAddress, MEMO,
MERCHANT_DATA);
byte[] paymentBytes = payment.toByteArray();
// Parse
Payment parsedPayment = Payment.parseFrom(paymentBytes);
List<Transaction> parsedTransactions = PaymentProtocol.parseTransactionsFromPaymentMessage(NETWORK_PARAMS,
parsedPayment);
assertEquals(transactions, parsedTransactions);
assertEquals(1, parsedPayment.getRefundToCount());
assertEquals(MEMO, parsedPayment.getMemo());
assertArrayEquals(MERCHANT_DATA, parsedPayment.getMerchantData().toByteArray());
}
@Test
public void testPaymentAck() throws Exception {
// Create
Payment paymentMessage = Protos.Payment.newBuilder().build();
PaymentACK paymentAck = PaymentProtocol.createPaymentAck(paymentMessage, MEMO);
byte[] paymentAckBytes = paymentAck.toByteArray();
// Parse
PaymentACK parsedPaymentAck = PaymentACK.parseFrom(paymentAckBytes);
assertEquals(paymentMessage, parsedPaymentAck.getPayment());
assertEquals(MEMO, parsedPaymentAck.getMemo());
}
}