From bede5a71f8fa13e281e494cb3590ce6cbe08821d Mon Sep 17 00:00:00 2001
From: CalDescent <caldescent@protonmail.com>
Date: Sat, 28 Jan 2023 14:17:23 +0000
Subject: [PATCH] Fixed various NPEs when checking statuses of non-existent
 resources.

---
 .../arbitrary/ArbitraryDataResource.java      | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/main/java/org/qortal/arbitrary/ArbitraryDataResource.java b/src/main/java/org/qortal/arbitrary/ArbitraryDataResource.java
index ef068858..b9842976 100644
--- a/src/main/java/org/qortal/arbitrary/ArbitraryDataResource.java
+++ b/src/main/java/org/qortal/arbitrary/ArbitraryDataResource.java
@@ -143,6 +143,9 @@ public class ArbitraryDataResource {
     public boolean delete() {
         try {
             this.fetchTransactions();
+            if (this.transactions == null) {
+                return false;
+            }
 
             List<ArbitraryTransactionData> transactionDataList = new ArrayList<>(this.transactions);
 
@@ -198,6 +201,9 @@ public class ArbitraryDataResource {
 
         try {
             this.fetchTransactions();
+            if (this.transactions == null) {
+                return false;
+            }
 
             List<ArbitraryTransactionData> transactionDataList = new ArrayList<>(this.transactions);
 
@@ -217,6 +223,11 @@ public class ArbitraryDataResource {
     private void calculateChunkCounts() {
         try {
             this.fetchTransactions();
+            if (this.transactions == null) {
+                this.localChunkCount = 0;
+                this.totalChunkCount = 0;
+                return;
+            }
 
             List<ArbitraryTransactionData> transactionDataList = new ArrayList<>(this.transactions);
             int localChunkCount = 0;
@@ -236,6 +247,9 @@ public class ArbitraryDataResource {
     private boolean isRateLimited() {
         try {
             this.fetchTransactions();
+            if (this.transactions == null) {
+                return true;
+            }
 
             List<ArbitraryTransactionData> transactionDataList = new ArrayList<>(this.transactions);
 
@@ -259,6 +273,10 @@ public class ArbitraryDataResource {
     private boolean isDataPotentiallyAvailable() {
         try {
             this.fetchTransactions();
+            if (this.transactions == null) {
+                return false;
+            }
+
             Long now = NTP.getTime();
             if (now == null) {
                 return false;
@@ -290,6 +308,10 @@ public class ArbitraryDataResource {
     private boolean isDownloading() {
         try {
             this.fetchTransactions();
+            if (this.transactions == null) {
+                return false;
+            }
+
             Long now = NTP.getTime();
             if (now == null) {
                 return false;