Added PresenceTestTransaction, to allow SerializationTests.testTransactions() to be unblocked

src/test/java/org/qortal/test/SerializationTests.java

@@ -38,7 +38,6 @@ public class SerializationTests extends Common {
 	}
 
 	@Test
-	@Ignore(value = "Doesn't work, to be fixed later")
 	public void testTransactions() throws DataException, TransformationException {
 		try (final Repository repository = RepositoryManager.getRepository()) {
 			PrivateKeyAccount signingAccount = Common.getTestAccount(repository, "alice");
@@ -174,4 +173,4 @@ public class SerializationTests extends Common {
 		assertEqualBigDecimals("Deserialized BigDecimal has incorrect value", amount, newAmount);
 	}
 
-}
+}

src/test/java/org/qortal/test/common/transaction/PresenceTestTransaction.java

@@ -0,0 +1,25 @@
+package org.qortal.test.common.transaction;
+
+import com.google.common.primitives.Longs;
+import org.qortal.account.PrivateKeyAccount;
+import org.qortal.data.transaction.PresenceTransactionData;
+import org.qortal.data.transaction.TransactionData;
+import org.qortal.repository.DataException;
+import org.qortal.repository.Repository;
+import org.qortal.transaction.PresenceTransaction.PresenceType;
+import org.qortal.utils.NTP;
+
+public class PresenceTestTransaction extends TestTransaction {
+
+	public static TransactionData randomTransaction(Repository repository, PrivateKeyAccount account, boolean wantValid) throws DataException {
+		final int nonce = 0;
+
+		byte[] tradePrivateKey = new byte[32];
+		PrivateKeyAccount tradeNativeAccount = new PrivateKeyAccount(repository, tradePrivateKey);
+		long timestamp = NTP.getTime();
+		byte[] timestampSignature = tradeNativeAccount.sign(Longs.toByteArray(timestamp));
+
+		return new PresenceTransactionData(generateBase(account), nonce, PresenceType.TRADE_BOT, timestampSignature);
+	}
+
+}