From a4aee36c9c0fe77003fa031532cb6d79be21fdda Mon Sep 17 00:00:00 2001
From: Julian Len <julian@iovlabs.org>
Date: Fri, 13 Dec 2024 18:35:10 -0300
Subject: [PATCH] feat: added a test to check a tx with negative block height
 is invalid

---
 .../java/co/rsk/peg/RegisterBtcTransactionIT.java  | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/rskj-core/src/test/java/co/rsk/peg/RegisterBtcTransactionIT.java b/rskj-core/src/test/java/co/rsk/peg/RegisterBtcTransactionIT.java
index 857b99a3cf..467a0c3718 100644
--- a/rskj-core/src/test/java/co/rsk/peg/RegisterBtcTransactionIT.java
+++ b/rskj-core/src/test/java/co/rsk/peg/RegisterBtcTransactionIT.java
@@ -149,6 +149,20 @@ void registerBtc_forARepeatedLegacyBtcTransaction_shouldNotPerformAnyChange() th
         assertEquals(expectedReceiverBalance, repository.getBalance(rskReceiver));
     }
 
+    @Test
+    void whenRegisterALegacyBtcTransactionWithNegativeHeight_shouldNotPerformAnyChange() throws Exception {
+        // Arrange
+        co.rsk.core.Coin expectedReceiverBalance = repository.getBalance(rskReceiver);
+        List<UTXO> expectedFederationUTXOs = federationSupport.getActiveFederationBtcUTXOs();
+
+        // Act
+        bridgeSupport.registerBtcTransaction(rskTx, bitcoinTransaction.bitcoinSerialize(), -1, pmtWithTransactions.bitcoinSerialize());
+        bridgeSupport.save();
+
+        // Assert
+        assertEquals(expectedFederationUTXOs, federationSupport.getActiveFederationBtcUTXOs());
+        assertEquals(expectedReceiverBalance, repository.getBalance(rskReceiver));
+    }
     private static UTXO utxoOf(BtcTransaction bitcoinTransaction, TransactionOutput output) {
         return new UTXO(
                 bitcoinTransaction.getHash(),