/*
* Copyright 2011 Google Inc.
* 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.core;
import org.bitcoinj.params.MainNetParams;
import org.bitcoinj.params.Networks;
import org.bitcoinj.params.TestNet3Params;
import org.bitcoinj.script.Script;
import org.bitcoinj.script.ScriptBuilder;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Arrays;
import java.util.List;
import static org.bitcoinj.core.Utils.HEX;
import static org.junit.Assert.*;
public class AddressTest {
static final NetworkParameters testParams = TestNet3Params.get();
static final NetworkParameters mainParams = MainNetParams.get();
@Test
public void testJavaSerialization() throws Exception {
Address testAddress = Address.fromBase58(testParams, "n4eA2nbYqErp7H6jebchxAN59DmNpksexv");
ByteArrayOutputStream os = new ByteArrayOutputStream();
new ObjectOutputStream(os).writeObject(testAddress);
VersionedChecksummedBytes testAddressCopy = (VersionedChecksummedBytes) new ObjectInputStream(
new ByteArrayInputStream(os.toByteArray())).readObject();
assertEquals(testAddress, testAddressCopy);
Address mainAddress = Address.fromBase58(mainParams, "17kzeh4N8g49GFvdDzSf8PjaPfyoD1MndL");
os = new ByteArrayOutputStream();
new ObjectOutputStream(os).writeObject(mainAddress);
VersionedChecksummedBytes mainAddressCopy = (VersionedChecksummedBytes) new ObjectInputStream(
new ByteArrayInputStream(os.toByteArray())).readObject();
assertEquals(mainAddress, mainAddressCopy);
}
@Test
public void stringification() throws Exception {
// Test a testnet address.
Address a = new Address(testParams, HEX.decode("fda79a24e50ff70ff42f7d89585da5bd19d9e5cc"));
assertEquals("n4eA2nbYqErp7H6jebchxAN59DmNpksexv", a.toString());
assertFalse(a.isP2SHAddress());
Address b = new Address(mainParams, HEX.decode("4a22c3c4cbb31e4d03b15550636762bda0baf85a"));
assertEquals("17kzeh4N8g49GFvdDzSf8PjaPfyoD1MndL", b.toString());
assertFalse(b.isP2SHAddress());
}
@Test
public void decoding() throws Exception {
Address a = Address.fromBase58(testParams, "n4eA2nbYqErp7H6jebchxAN59DmNpksexv");
assertEquals("fda79a24e50ff70ff42f7d89585da5bd19d9e5cc", Utils.HEX.encode(a.getHash160()));
Address b = Address.fromBase58(mainParams, "17kzeh4N8g49GFvdDzSf8PjaPfyoD1MndL");
assertEquals("4a22c3c4cbb31e4d03b15550636762bda0baf85a", Utils.HEX.encode(b.getHash160()));
}
@Test
public void errorPaths() {
// Check what happens if we try and decode garbage.
try {
Address.fromBase58(testParams, "this is not a valid address!");
fail();
} catch (WrongNetworkException e) {
fail();
} catch (AddressFormatException e) {
// Success.
}
// Check the empty case.
try {
Address.fromBase58(testParams, "");
fail();
} catch (WrongNetworkException e) {
fail();
} catch (AddressFormatException e) {
// Success.
}
// Check the case of a mismatched network.
try {
Address.fromBase58(testParams, "17kzeh4N8g49GFvdDzSf8PjaPfyoD1MndL");
fail();
} catch (WrongNetworkException e) {
// Success.
assertEquals(e.verCode, MainNetParams.get().getAddressHeader());
assertTrue(Arrays.equals(e.acceptableVersions, TestNet3Params.get().getAcceptableAddressCodes()));
} catch (AddressFormatException e) {
fail();
}
}
@Test
public void getNetwork() throws Exception {
NetworkParameters params = Address.getParametersFromAddress("17kzeh4N8g49GFvdDzSf8PjaPfyoD1MndL");
assertEquals(MainNetParams.get().getId(), params.getId());
params = Address.getParametersFromAddress("n4eA2nbYqErp7H6jebchxAN59DmNpksexv");
assertEquals(TestNet3Params.get().getId(), params.getId());
}
@Test
public void getAltNetwork() throws Exception {
// An alternative network
class AltNetwork extends MainNetParams {
AltNetwork() {
super();
id = "alt.network";
addressHeader = 48;
p2shHeader = 5;
acceptableAddressCodes = new int[] { addressHeader, p2shHeader };
}
}
AltNetwork altNetwork = new AltNetwork();
// Add new network params
Networks.register(altNetwork);
// Check if can parse address
NetworkParameters params = Address.getParametersFromAddress("LLxSnHLN2CYyzB5eWTR9K9rS9uWtbTQFb6");
assertEquals(altNetwork.getId(), params.getId());
// Check if main network works as before
params = Address.getParametersFromAddress("17kzeh4N8g49GFvdDzSf8PjaPfyoD1MndL");
assertEquals(MainNetParams.get().getId(), params.getId());
// Unregister network
Networks.unregister(altNetwork);
try {
Address.getParametersFromAddress("LLxSnHLN2CYyzB5eWTR9K9rS9uWtbTQFb6");
fail();
} catch (AddressFormatException e) { }
}
@Test
public void p2shAddress() throws Exception {
// Test that we can construct P2SH addresses
Address mainNetP2SHAddress = Address.fromBase58(MainNetParams.get(), "35b9vsyH1KoFT5a5KtrKusaCcPLkiSo1tU");
assertEquals(mainNetP2SHAddress.version, MainNetParams.get().p2shHeader);
assertTrue(mainNetP2SHAddress.isP2SHAddress());
Address testNetP2SHAddress = Address.fromBase58(TestNet3Params.get(), "2MuVSxtfivPKJe93EC1Tb9UhJtGhsoWEHCe");
assertEquals(testNetP2SHAddress.version, TestNet3Params.get().p2shHeader);
assertTrue(testNetP2SHAddress.isP2SHAddress());
// Test that we can determine what network a P2SH address belongs to
NetworkParameters mainNetParams = Address.getParametersFromAddress("35b9vsyH1KoFT5a5KtrKusaCcPLkiSo1tU");
assertEquals(MainNetParams.get().getId(), mainNetParams.getId());
NetworkParameters testNetParams = Address.getParametersFromAddress("2MuVSxtfivPKJe93EC1Tb9UhJtGhsoWEHCe");
assertEquals(TestNet3Params.get().getId(), testNetParams.getId());
// Test that we can convert them from hashes
byte[] hex = HEX.decode("2ac4b0b501117cc8119c5797b519538d4942e90e");
Address a = Address.fromP2SHHash(mainParams, hex);
assertEquals("35b9vsyH1KoFT5a5KtrKusaCcPLkiSo1tU", a.toString());
Address b = Address.fromP2SHHash(testParams, HEX.decode("18a0e827269b5211eb51a4af1b2fa69333efa722"));
assertEquals("2MuVSxtfivPKJe93EC1Tb9UhJtGhsoWEHCe", b.toString());
Address c = Address.fromP2SHScript(mainParams, ScriptBuilder.createP2SHOutputScript(hex));
assertEquals("35b9vsyH1KoFT5a5KtrKusaCcPLkiSo1tU", c.toString());
}
@Test
public void p2shAddressCreationFromKeys() throws Exception {
// import some keys from this example: https://gist.github.com/gavinandresen/3966071
ECKey key1 = DumpedPrivateKey.fromBase58(mainParams, "5JaTXbAUmfPYZFRwrYaALK48fN6sFJp4rHqq2QSXs8ucfpE4yQU").getKey();
key1 = ECKey.fromPrivate(key1.getPrivKeyBytes());
ECKey key2 = DumpedPrivateKey.fromBase58(mainParams, "5Jb7fCeh1Wtm4yBBg3q3XbT6B525i17kVhy3vMC9AqfR6FH2qGk").getKey();
key2 = ECKey.fromPrivate(key2.getPrivKeyBytes());
ECKey key3 = DumpedPrivateKey.fromBase58(mainParams, "5JFjmGo5Fww9p8gvx48qBYDJNAzR9pmH5S389axMtDyPT8ddqmw").getKey();
key3 = ECKey.fromPrivate(key3.getPrivKeyBytes());
List<ECKey> keys = Arrays.asList(key1, key2, key3);
Script p2shScript = ScriptBuilder.createP2SHOutputScript(2, keys);
Address address = Address.fromP2SHScript(mainParams, p2shScript);
assertEquals("3N25saC4dT24RphDAwLtD8LUN4E2gZPJke", address.toString());
}
@Test
public void cloning() throws Exception {
Address a = new Address(testParams, HEX.decode("fda79a24e50ff70ff42f7d89585da5bd19d9e5cc"));
Address b = a.clone();
assertEquals(a, b);
assertNotSame(a, b);
}
@Test
public void roundtripBase58() throws Exception {
String base58 = "17kzeh4N8g49GFvdDzSf8PjaPfyoD1MndL";
assertEquals(base58, Address.fromBase58(null, base58).toBase58());
}
@Test
public void comparisonCloneEqualTo() throws Exception {
Address a = Address.fromBase58(mainParams, "1Dorian4RoXcnBv9hnQ4Y2C1an6NJ4UrjX");
Address b = a.clone();
int result = a.compareTo(b);
assertEquals(0, result);
}
@Test
public void comparisonEqualTo() throws Exception {
Address a = Address.fromBase58(mainParams, "1Dorian4RoXcnBv9hnQ4Y2C1an6NJ4UrjX");
Address b = a.clone();
int result = a.compareTo(b);
assertEquals(0, result);
}
@Test
public void comparisonLessThan() throws Exception {
Address a = Address.fromBase58(mainParams, "1Dorian4RoXcnBv9hnQ4Y2C1an6NJ4UrjX");
Address b = Address.fromBase58(mainParams, "1EXoDusjGwvnjZUyKkxZ4UHEf77z6A5S4P");
int result = a.compareTo(b);
assertTrue(result < 0);
}
@Test
public void comparisonGreaterThan() throws Exception {
Address a = Address.fromBase58(mainParams, "1EXoDusjGwvnjZUyKkxZ4UHEf77z6A5S4P");
Address b = Address.fromBase58(mainParams, "1Dorian4RoXcnBv9hnQ4Y2C1an6NJ4UrjX");
int result = a.compareTo(b);
assertTrue(result > 0);
}
@Test
public void comparisonBytesVsString() throws Exception {
// TODO: To properly test this we need a much larger data set
Address a = Address.fromBase58(mainParams, "1Dorian4RoXcnBv9hnQ4Y2C1an6NJ4UrjX");
Address b = Address.fromBase58(mainParams, "1EXoDusjGwvnjZUyKkxZ4UHEf77z6A5S4P");
int resultBytes = a.compareTo(b);
int resultsString = a.toString().compareTo(b.toString());
assertTrue( resultBytes < 0 );
assertTrue( resultsString < 0 );
}
}