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PeerAddressTest: Add roundtrip tests for all combinations of relevant protocol versions and IP address type.

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This commit is contained in:
Andreas Schildbach 2018-04-07 14:15:24 +02:00
parent 7c270c23e6
commit 3975a89f6a
1 changed files with 59 additions and 9 deletions
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68
core/src/test/java/org/bitcoinj/core/PeerAddressTest.java
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@ -17,14 +17,15 @@
package org.bitcoinj.core; package org.bitcoinj.core;
import org.bitcoinj.params.MainNetParams; import static org.bitcoinj.core.Utils.HEX;
import org.junit.Test; import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.math.BigInteger; import java.math.BigInteger;
import java.net.InetAddress; import java.net.InetAddress;
import static org.bitcoinj.core.Utils.HEX; import org.bitcoinj.params.MainNetParams;
import static org.junit.Assert.assertEquals; import org.junit.Test;
public class PeerAddressTest { public class PeerAddressTest {
private static final NetworkParameters MAINNET = MainNetParams.get(); private static final NetworkParameters MAINNET = MainNetParams.get();
@ -33,16 +34,65 @@ public class PeerAddressTest {
public void testPeerAddressRoundtrip() throws Exception { public void testPeerAddressRoundtrip() throws Exception {
// copied verbatim from https://en.bitcoin.it/wiki/Protocol_specification#Network_address // copied verbatim from https://en.bitcoin.it/wiki/Protocol_specification#Network_address
String fromSpec = "010000000000000000000000000000000000ffff0a000001208d"; String fromSpec = "010000000000000000000000000000000000ffff0a000001208d";
PeerAddress pa = new PeerAddress(MAINNET, PeerAddress pa = new PeerAddress(MAINNET, HEX.decode(fromSpec), 0, 0);
HEX.decode(fromSpec), 0, 0);
String reserialized = Utils.HEX.encode(pa.unsafeBitcoinSerialize()); String reserialized = Utils.HEX.encode(pa.unsafeBitcoinSerialize());
assertEquals(reserialized,fromSpec ); assertEquals(reserialized, fromSpec);
}
@Test
public void roundtrip_ipv4_currentProtocolVersion() throws Exception {
long time = Utils.currentTimeSeconds();
PeerAddress pa = new PeerAddress(MAINNET, InetAddress.getByName("1.2.3.4"), 1234,
NetworkParameters.ProtocolVersion.CURRENT.getBitcoinProtocolVersion(), BigInteger.ZERO);
byte[] serialized = pa.bitcoinSerialize();
PeerAddress pa2 = new PeerAddress(MAINNET, serialized, 0,
NetworkParameters.ProtocolVersion.CURRENT.getBitcoinProtocolVersion());
assertEquals("1.2.3.4", pa2.getAddr().getHostAddress());
assertEquals(1234, pa2.getPort());
assertEquals(BigInteger.ZERO, pa2.getServices());
assertTrue(pa2.getTime() >= time && pa2.getTime() < time + 5); // potentially racy
}
@Test
public void roundtrip_ipv4_ancientProtocolVersion() throws Exception {
PeerAddress pa = new PeerAddress(MAINNET, InetAddress.getByName("1.2.3.4"), 1234, 0, BigInteger.ZERO);
byte[] serialized = pa.bitcoinSerialize();
PeerAddress pa2 = new PeerAddress(MAINNET, serialized, 0, 0);
assertEquals("1.2.3.4", pa2.getAddr().getHostAddress());
assertEquals(1234, pa2.getPort());
assertEquals(BigInteger.ZERO, pa2.getServices());
assertEquals(-1, pa2.getTime());
}
@Test
public void roundtrip_ipv6_currentProtocolVersion() throws Exception {
long time = Utils.currentTimeSeconds();
PeerAddress pa = new PeerAddress(MAINNET, InetAddress.getByName("2001:db8:85a3:0:0:8a2e:370:7334"), 1234,
NetworkParameters.ProtocolVersion.CURRENT.getBitcoinProtocolVersion(), BigInteger.ZERO);
byte[] serialized = pa.bitcoinSerialize();
PeerAddress pa2 = new PeerAddress(MAINNET, serialized, 0,
NetworkParameters.ProtocolVersion.CURRENT.getBitcoinProtocolVersion());
assertEquals("2001:db8:85a3:0:0:8a2e:370:7334", pa2.getAddr().getHostAddress());
assertEquals(1234, pa2.getPort());
assertEquals(BigInteger.ZERO, pa2.getServices());
assertTrue(pa2.getTime() >= time && pa2.getTime() < time + 5); // potentially racy
}
@Test
public void roundtrip_ipv6_ancientProtocolVersion() throws Exception {
PeerAddress pa = new PeerAddress(MAINNET, InetAddress.getByName("2001:db8:85a3:0:0:8a2e:370:7334"), 1234, 0,
BigInteger.ZERO);
byte[] serialized = pa.bitcoinSerialize();
PeerAddress pa2 = new PeerAddress(MAINNET, serialized, 0, 0);
assertEquals("2001:db8:85a3:0:0:8a2e:370:7334", pa2.getAddr().getHostAddress());
assertEquals(1234, pa2.getPort());
assertEquals(BigInteger.ZERO, pa2.getServices());
assertEquals(-1, pa2.getTime());
} }
@Test @Test
public void testBitcoinSerialize() throws Exception { public void testBitcoinSerialize() throws Exception {
PeerAddress pa = new PeerAddress(MAINNET, InetAddress.getByName(null), 8333, 0, BigInteger.ZERO); PeerAddress pa = new PeerAddress(MAINNET, InetAddress.getByName(null), 8333, 0, BigInteger.ZERO);
assertEquals("000000000000000000000000000000000000ffff7f000001208d", assertEquals("000000000000000000000000000000000000ffff7f000001208d", Utils.HEX.encode(pa.bitcoinSerialize()));
Utils.HEX.encode(pa.bitcoinSerialize()));
} }
} }