From 5df91ca8862bc3d871ed3c8c363f9b9fac793e1d Mon Sep 17 00:00:00 2001
From: Andreas Schildbach <andreas.schildbach@bloq.com>
Date: Wed, 1 Aug 2018 19:31:11 +0200
Subject: [PATCH] Wallet: Check early for null context or params.

---
 core/src/main/java/org/bitcoinj/wallet/Wallet.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/src/main/java/org/bitcoinj/wallet/Wallet.java b/core/src/main/java/org/bitcoinj/wallet/Wallet.java
index 7b779a85..a967401f 100644
--- a/core/src/main/java/org/bitcoinj/wallet/Wallet.java
+++ b/core/src/main/java/org/bitcoinj/wallet/Wallet.java
@@ -348,8 +348,8 @@ public class Wallet extends BaseTaggableObject
     }
 
     private Wallet(Context context, KeyChainGroup keyChainGroup) {
-        this.context = context;
-        this.params = context.getParams();
+        this.context = checkNotNull(context);
+        this.params = checkNotNull(context.getParams());
         this.keyChainGroup = checkNotNull(keyChainGroup);
         if (params.getId().equals(NetworkParameters.ID_UNITTESTNET))
             this.keyChainGroup.setLookaheadSize(5);  // Cut down excess computation for unit tests.