From e082eb1c86528a19073da407bee283471db916bc Mon Sep 17 00:00:00 2001
From: jmacxx <47253594+jmacxx@users.noreply.github.com>
Date: Fri, 1 Sep 2023 08:41:37 -0500
Subject: [PATCH] Handle NPE when checking isSignWitnessTrade.

---
 .../witness/AccountAgeWitnessService.java     | 26 +++++++++++--------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/core/src/main/java/bisq/core/account/witness/AccountAgeWitnessService.java b/core/src/main/java/bisq/core/account/witness/AccountAgeWitnessService.java
index bbd5a38a189..9da1d63b5a1 100644
--- a/core/src/main/java/bisq/core/account/witness/AccountAgeWitnessService.java
+++ b/core/src/main/java/bisq/core/account/witness/AccountAgeWitnessService.java
@@ -930,17 +930,21 @@ public Set<SignedWitness> getUnsignedSignerPubKeys() {
     }
 
     public boolean isSignWitnessTrade(Trade trade) {
-        checkNotNull(trade, "trade must not be null");
-        checkNotNull(trade.getOffer(), "offer must not be null");
-        Contract contract = checkNotNull(trade.getContract());
-        PaymentAccountPayload sellerPaymentAccountPayload = contract.getSellerPaymentAccountPayload();
-        AccountAgeWitness myWitness = getMyWitness(sellerPaymentAccountPayload);
-
-        getAccountAgeWitnessUtils().witnessDebugLog(trade, myWitness);
-
-        return accountIsSigner(myWitness) &&
-                !peerHasSignedWitness(trade) &&
-                tradeAmountIsSufficient(trade.getAmount());
+        try {
+            checkNotNull(trade, "trade must not be null");
+            checkNotNull(trade.getOffer(), "offer must not be null");
+            Contract contract = checkNotNull(trade.getContract());
+            PaymentAccountPayload sellerPaymentAccountPayload = checkNotNull(
+                    contract.getSellerPaymentAccountPayload(), "paymentAccountPayload must not be null");
+            AccountAgeWitness myWitness = getMyWitness(sellerPaymentAccountPayload);
+            getAccountAgeWitnessUtils().witnessDebugLog(trade, myWitness);
+            return accountIsSigner(myWitness) &&
+                    !peerHasSignedWitness(trade) &&
+                    tradeAmountIsSufficient(trade.getAmount());
+        } catch (NullPointerException e) {
+            e.printStackTrace();
+        }
+        return false;
     }
 
     public String getSignInfoFromAccount(PaymentAccount paymentAccount) {