forked from bisq-network/bisq
/
SignedWitnessServiceTest.java
335 lines (275 loc) · 17 KB
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SignedWitnessServiceTest.java
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/*
* This file is part of Bisq.
*
* Bisq is free software: you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* Bisq is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
* License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Bisq. If not, see <http://www.gnu.org/licenses/>.
*/
package bisq.core.account.sign;
import bisq.core.account.witness.AccountAgeWitness;
import bisq.core.support.dispute.arbitration.arbitrator.ArbitratorManager;
import bisq.network.p2p.storage.persistence.AppendOnlyDataStoreService;
import bisq.common.crypto.Sig;
import bisq.common.util.Utilities;
import org.bitcoinj.core.ECKey;
import com.google.common.base.Charsets;
import java.security.KeyPair;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.Date;
import org.junit.Before;
import org.junit.Test;
import static bisq.core.account.sign.SignedWitness.VerificationMethod.ARBITRATOR;
import static bisq.core.account.sign.SignedWitness.VerificationMethod.TRADE;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class SignedWitnessServiceTest {
private SignedWitnessService signedWitnessService;
private byte[] account1DataHash;
private byte[] account2DataHash;
private byte[] account3DataHash;
private AccountAgeWitness aew1;
private AccountAgeWitness aew2;
private AccountAgeWitness aew3;
private byte[] signature1;
private byte[] signature2;
private byte[] signature3;
private byte[] signer1PubKey;
private byte[] signer2PubKey;
private byte[] signer3PubKey;
private byte[] witnessOwner1PubKey;
private byte[] witnessOwner2PubKey;
private byte[] witnessOwner3PubKey;
private long date1;
private long date2;
private long date3;
private long tradeAmount1;
private long tradeAmount2;
private long tradeAmount3;
private long SIGN_AGE_1 = SignedWitnessService.SIGNER_AGE_DAYS * 3 + 5;
private long SIGN_AGE_2 = SignedWitnessService.SIGNER_AGE_DAYS * 2 + 4;
private long SIGN_AGE_3 = SignedWitnessService.SIGNER_AGE_DAYS + 3;
@Before
public void setup() throws Exception {
AppendOnlyDataStoreService appendOnlyDataStoreService = mock(AppendOnlyDataStoreService.class);
ArbitratorManager arbitratorManager = mock(ArbitratorManager.class);
when(arbitratorManager.isPublicKeyInList(any())).thenReturn(true);
signedWitnessService = new SignedWitnessService(null, null, arbitratorManager, null, appendOnlyDataStoreService, null);
account1DataHash = org.bitcoinj.core.Utils.sha256hash160(new byte[]{1});
account2DataHash = org.bitcoinj.core.Utils.sha256hash160(new byte[]{2});
account3DataHash = org.bitcoinj.core.Utils.sha256hash160(new byte[]{3});
long account1CreationTime = getTodayMinusNDays(SIGN_AGE_1 + 1);
long account2CreationTime = getTodayMinusNDays(SIGN_AGE_2 + 1);
long account3CreationTime = getTodayMinusNDays(SIGN_AGE_3 + 1);
aew1 = new AccountAgeWitness(account1DataHash, account1CreationTime);
aew2 = new AccountAgeWitness(account2DataHash, account2CreationTime);
aew3 = new AccountAgeWitness(account3DataHash, account3CreationTime);
ECKey arbitrator1Key = new ECKey();
KeyPair peer1KeyPair = Sig.generateKeyPair();
KeyPair peer2KeyPair = Sig.generateKeyPair();
KeyPair peer3KeyPair = Sig.generateKeyPair();
signature1 = arbitrator1Key.signMessage(Utilities.encodeToHex(account1DataHash)).getBytes(Charsets.UTF_8);
signature2 = Sig.sign(peer1KeyPair.getPrivate(), Utilities.encodeToHex(account2DataHash).getBytes(Charsets.UTF_8));
signature3 = Sig.sign(peer2KeyPair.getPrivate(), Utilities.encodeToHex(account3DataHash).getBytes(Charsets.UTF_8));
date1 = getTodayMinusNDays(SIGN_AGE_1);
date2 = getTodayMinusNDays(SIGN_AGE_2);
date3 = getTodayMinusNDays(SIGN_AGE_3);
signer1PubKey = arbitrator1Key.getPubKey();
signer2PubKey = Sig.getPublicKeyBytes(peer1KeyPair.getPublic());
signer3PubKey = Sig.getPublicKeyBytes(peer2KeyPair.getPublic());
witnessOwner1PubKey = Sig.getPublicKeyBytes(peer1KeyPair.getPublic());
witnessOwner2PubKey = Sig.getPublicKeyBytes(peer2KeyPair.getPublic());
witnessOwner3PubKey = Sig.getPublicKeyBytes(peer3KeyPair.getPublic());
tradeAmount1 = 1000;
tradeAmount2 = 1001;
tradeAmount3 = 1001;
}
@Test
public void testIsValidAccountAgeWitnessOk() {
SignedWitness sw1 = new SignedWitness(ARBITRATOR, account1DataHash, signature1, signer1PubKey, witnessOwner1PubKey, date1, tradeAmount1);
SignedWitness sw2 = new SignedWitness(TRADE, account2DataHash, signature2, signer2PubKey, witnessOwner2PubKey, date2, tradeAmount2);
SignedWitness sw3 = new SignedWitness(TRADE, account3DataHash, signature3, signer3PubKey, witnessOwner3PubKey, date3, tradeAmount3);
signedWitnessService.addToMap(sw1);
signedWitnessService.addToMap(sw2);
signedWitnessService.addToMap(sw3);
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew1));
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew2));
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew3));
}
@Test
public void testIsValidAccountAgeWitnessArbitratorSignatureProblem() {
signature1 = new byte[]{1, 2, 3};
SignedWitness sw1 = new SignedWitness(ARBITRATOR, account1DataHash, signature1, signer1PubKey, witnessOwner1PubKey, date1, tradeAmount1);
SignedWitness sw2 = new SignedWitness(TRADE, account2DataHash, signature2, signer2PubKey, witnessOwner2PubKey, date2, tradeAmount2);
SignedWitness sw3 = new SignedWitness(TRADE, account3DataHash, signature3, signer3PubKey, witnessOwner3PubKey, date3, tradeAmount3);
signedWitnessService.addToMap(sw1);
signedWitnessService.addToMap(sw2);
signedWitnessService.addToMap(sw3);
assertFalse(signedWitnessService.isSignerAccountAgeWitness(aew1));
assertFalse(signedWitnessService.isSignerAccountAgeWitness(aew2));
assertFalse(signedWitnessService.isSignerAccountAgeWitness(aew3));
}
@Test
public void testIsValidAccountAgeWitnessPeerSignatureProblem() {
signature2 = new byte[]{1, 2, 3};
SignedWitness sw1 = new SignedWitness(ARBITRATOR, account1DataHash, signature1, signer1PubKey, witnessOwner1PubKey, date1, tradeAmount1);
SignedWitness sw2 = new SignedWitness(TRADE, account2DataHash, signature2, signer2PubKey, witnessOwner2PubKey, date2, tradeAmount2);
SignedWitness sw3 = new SignedWitness(TRADE, account3DataHash, signature3, signer3PubKey, witnessOwner3PubKey, date3, tradeAmount3);
signedWitnessService.addToMap(sw1);
signedWitnessService.addToMap(sw2);
signedWitnessService.addToMap(sw3);
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew1));
assertFalse(signedWitnessService.isSignerAccountAgeWitness(aew2));
assertFalse(signedWitnessService.isSignerAccountAgeWitness(aew3));
}
@Test
public void testIsValidSelfSignatureOk() throws Exception {
KeyPair peer1KeyPair = Sig.generateKeyPair();
signer2PubKey = Sig.getPublicKeyBytes(peer1KeyPair.getPublic());
signature2 = Sig.sign(peer1KeyPair.getPrivate(), Utilities.encodeToHex(account2DataHash).getBytes(Charsets.UTF_8));
signature3 = Sig.sign(peer1KeyPair.getPrivate(), Utilities.encodeToHex(account3DataHash).getBytes(Charsets.UTF_8));
SignedWitness sw1 = new SignedWitness(ARBITRATOR, account1DataHash, signature1, signer1PubKey, signer2PubKey, date1, tradeAmount1);
SignedWitness sw2 = new SignedWitness(TRADE, account2DataHash, signature2, signer2PubKey, signer2PubKey, date2, tradeAmount2);
SignedWitness sw3 = new SignedWitness(TRADE, account3DataHash, signature3, signer2PubKey, signer2PubKey, date3, tradeAmount3);
signedWitnessService.addToMap(sw1);
signedWitnessService.addToMap(sw2);
signedWitnessService.addToMap(sw3);
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew1));
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew2));
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew3));
}
@Test
public void testIsValidSimpleLoopSignatureProblem() throws Exception {
// A reasonable case where user1 is signed by user2 and later switches account and the new
// account gets signed by user2. This is not allowed.
KeyPair peer1KeyPair = Sig.generateKeyPair();
KeyPair peer2KeyPair = Sig.generateKeyPair();
byte[] user1PubKey = Sig.getPublicKeyBytes(peer1KeyPair.getPublic());
byte[] user2PubKey = Sig.getPublicKeyBytes(peer2KeyPair.getPublic());
signature2 = Sig.sign(peer1KeyPair.getPrivate(), Utilities.encodeToHex(account2DataHash).getBytes(Charsets.UTF_8));
signature3 = Sig.sign(peer2KeyPair.getPrivate(), Utilities.encodeToHex(account3DataHash).getBytes(Charsets.UTF_8));
SignedWitness sw1 = new SignedWitness(ARBITRATOR, account1DataHash, signature1, signer1PubKey, user1PubKey, date1, tradeAmount1);
SignedWitness sw2 = new SignedWitness(TRADE, account2DataHash, signature2, user1PubKey, user2PubKey, date2, tradeAmount2);
SignedWitness sw3 = new SignedWitness(TRADE, account3DataHash, signature3, user2PubKey, user1PubKey, date3, tradeAmount3);
signedWitnessService.addToMap(sw1);
signedWitnessService.addToMap(sw2);
signedWitnessService.addToMap(sw3);
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew1));
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew2));
assertFalse(signedWitnessService.isSignerAccountAgeWitness(aew3));
}
@Test
public void testIsValidAccountAgeWitnessDateTooSoonProblem() {
date3 = getTodayMinusNDays(SIGN_AGE_2 - 1);
SignedWitness sw1 = new SignedWitness(ARBITRATOR, account1DataHash, signature1, signer1PubKey, witnessOwner1PubKey, date1, tradeAmount1);
SignedWitness sw2 = new SignedWitness(TRADE, account2DataHash, signature2, signer2PubKey, witnessOwner2PubKey, date2, tradeAmount2);
SignedWitness sw3 = new SignedWitness(TRADE, account3DataHash, signature3, signer3PubKey, witnessOwner3PubKey, date3, tradeAmount3);
signedWitnessService.addToMap(sw1);
signedWitnessService.addToMap(sw2);
signedWitnessService.addToMap(sw3);
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew1));
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew2));
assertFalse(signedWitnessService.isSignerAccountAgeWitness(aew3));
}
@Test
public void testIsValidAccountAgeWitnessDateTooLateProblem() {
date3 = getTodayMinusNDays(3);
SignedWitness sw1 = new SignedWitness(ARBITRATOR, account1DataHash, signature1, signer1PubKey, witnessOwner1PubKey, date1, tradeAmount1);
SignedWitness sw2 = new SignedWitness(TRADE, account2DataHash, signature2, signer2PubKey, witnessOwner2PubKey, date2, tradeAmount2);
SignedWitness sw3 = new SignedWitness(TRADE, account3DataHash, signature3, signer3PubKey, witnessOwner3PubKey, date3, tradeAmount3);
signedWitnessService.addToMap(sw1);
signedWitnessService.addToMap(sw2);
signedWitnessService.addToMap(sw3);
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew1));
assertTrue(signedWitnessService.isSignerAccountAgeWitness(aew2));
assertFalse(signedWitnessService.isSignerAccountAgeWitness(aew3));
}
@Test
public void testIsValidAccountAgeWitnessEndlessLoop() throws Exception {
byte[] account1DataHash = org.bitcoinj.core.Utils.sha256hash160(new byte[]{1});
byte[] account2DataHash = org.bitcoinj.core.Utils.sha256hash160(new byte[]{2});
byte[] account3DataHash = org.bitcoinj.core.Utils.sha256hash160(new byte[]{3});
long account1CreationTime = getTodayMinusNDays(SIGN_AGE_1 + 1);
long account2CreationTime = getTodayMinusNDays(SIGN_AGE_2 + 1);
long account3CreationTime = getTodayMinusNDays(SIGN_AGE_3 + 1);
AccountAgeWitness aew1 = new AccountAgeWitness(account1DataHash, account1CreationTime);
AccountAgeWitness aew2 = new AccountAgeWitness(account2DataHash, account2CreationTime);
AccountAgeWitness aew3 = new AccountAgeWitness(account3DataHash, account3CreationTime);
KeyPair peer1KeyPair = Sig.generateKeyPair();
KeyPair peer2KeyPair = Sig.generateKeyPair();
KeyPair peer3KeyPair = Sig.generateKeyPair();
String account1DataHashAsHexString = Utilities.encodeToHex(account1DataHash);
String account2DataHashAsHexString = Utilities.encodeToHex(account2DataHash);
String account3DataHashAsHexString = Utilities.encodeToHex(account3DataHash);
byte[] signature1 = Sig.sign(peer3KeyPair.getPrivate(), account1DataHashAsHexString.getBytes(Charsets.UTF_8));
byte[] signature2 = Sig.sign(peer1KeyPair.getPrivate(), account2DataHashAsHexString.getBytes(Charsets.UTF_8));
byte[] signature3 = Sig.sign(peer2KeyPair.getPrivate(), account3DataHashAsHexString.getBytes(Charsets.UTF_8));
byte[] signer1PubKey = Sig.getPublicKeyBytes(peer3KeyPair.getPublic());
byte[] signer2PubKey = Sig.getPublicKeyBytes(peer1KeyPair.getPublic());
byte[] signer3PubKey = Sig.getPublicKeyBytes(peer2KeyPair.getPublic());
byte[] witnessOwner1PubKey = Sig.getPublicKeyBytes(peer1KeyPair.getPublic());
byte[] witnessOwner2PubKey = Sig.getPublicKeyBytes(peer2KeyPair.getPublic());
byte[] witnessOwner3PubKey = Sig.getPublicKeyBytes(peer3KeyPair.getPublic());
long date1 = getTodayMinusNDays(SIGN_AGE_1);
long date2 = getTodayMinusNDays(SIGN_AGE_2);
long date3 = getTodayMinusNDays(SIGN_AGE_3);
long tradeAmount1 = 1000;
long tradeAmount2 = 1001;
long tradeAmount3 = 1001;
SignedWitness sw1 = new SignedWitness(TRADE, account1DataHash, signature1, signer1PubKey, witnessOwner1PubKey, date1, tradeAmount1);
SignedWitness sw2 = new SignedWitness(TRADE, account2DataHash, signature2, signer2PubKey, witnessOwner2PubKey, date2, tradeAmount2);
SignedWitness sw3 = new SignedWitness(TRADE, account3DataHash, signature3, signer3PubKey, witnessOwner3PubKey, date3, tradeAmount3);
signedWitnessService.addToMap(sw1);
signedWitnessService.addToMap(sw2);
signedWitnessService.addToMap(sw3);
assertFalse(signedWitnessService.isSignerAccountAgeWitness(aew3));
}
@Test
public void testIsValidAccountAgeWitnessLongLoop() throws Exception {
AccountAgeWitness aew = null;
KeyPair signerKeyPair;
KeyPair signedKeyPair = Sig.generateKeyPair();
int iterations = 1002;
for (int i = 0; i < iterations; i++) {
byte[] accountDataHash = org.bitcoinj.core.Utils.sha256hash160(String.valueOf(i).getBytes(Charsets.UTF_8));
long accountCreationTime = getTodayMinusNDays((iterations - i) * (SignedWitnessService.SIGNER_AGE_DAYS + 1));
aew = new AccountAgeWitness(accountDataHash, accountCreationTime);
String accountDataHashAsHexString = Utilities.encodeToHex(accountDataHash);
byte[] signature;
byte[] signerPubKey;
if (i == 0) {
// use arbitrator key
ECKey arbitratorKey = new ECKey();
signedKeyPair = Sig.generateKeyPair();
String signature1String = arbitratorKey.signMessage(accountDataHashAsHexString);
signature = signature1String.getBytes(Charsets.UTF_8);
signerPubKey = arbitratorKey.getPubKey();
} else {
signerKeyPair = signedKeyPair;
signedKeyPair = Sig.generateKeyPair();
signature = Sig.sign(signedKeyPair.getPrivate(), accountDataHashAsHexString.getBytes(Charsets.UTF_8));
signerPubKey = Sig.getPublicKeyBytes(signerKeyPair.getPublic());
}
byte[] witnessOwnerPubKey = Sig.getPublicKeyBytes(signedKeyPair.getPublic());
long date = getTodayMinusNDays((iterations - i) * (SignedWitnessService.SIGNER_AGE_DAYS + 1));
SignedWitness sw = new SignedWitness(i == 0 ? ARBITRATOR : TRADE, accountDataHash, signature, signerPubKey, witnessOwnerPubKey, date, tradeAmount1);
signedWitnessService.addToMap(sw);
}
assertFalse(signedWitnessService.isSignerAccountAgeWitness(aew));
}
private long getTodayMinusNDays(long days) {
return Instant.ofEpochMilli(new Date().getTime()).minus(days, ChronoUnit.DAYS).toEpochMilli();
}
}