From c3b6e0d7b9dab7231650545c8e97e5f41f4cd902 Mon Sep 17 00:00:00 2001
From: Andreas Schildbach <andreas.schildbach@bloq.com>
Date: Tue, 19 Mar 2019 17:54:45 +0100
Subject: [PATCH] Wallet: Fix handling of wallet without deterministic chains
 in checkForFilterExhaustion().

---
 core/src/main/java/org/bitcoinj/wallet/Wallet.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/src/main/java/org/bitcoinj/wallet/Wallet.java b/core/src/main/java/org/bitcoinj/wallet/Wallet.java
index 9f75fa3b..cfb57ce5 100644
--- a/core/src/main/java/org/bitcoinj/wallet/Wallet.java
+++ b/core/src/main/java/org/bitcoinj/wallet/Wallet.java
@@ -4880,6 +4880,8 @@ public class Wallet extends BaseTaggableObject
     public boolean checkForFilterExhaustion(FilteredBlock block) {
         keyChainGroupLock.lock();
         try {
+            if (!keyChainGroup.isSupportsDeterministicChains())
+                return false;
             int epoch = keyChainGroup.getCombinedKeyLookaheadEpochs();
             for (Transaction tx : block.getAssociatedTransactions().values()) {
                 markKeysAsUsed(tx);