Fixed issue causing "totalChunkCount" to exclude the metadata file in some cases.

ArbitraryDataFile now has a fileCount() method which returns the total number of files associated with that piece of data - i.e. chunks, metadata, and the complete file in cases where it isn't chunked.

src/main/java/org/qortal/arbitrary/ArbitraryDataFile.java

@@ -612,6 +612,22 @@ public class ArbitraryDataFile {
         return this.chunks.size();
     }
 
+    public int fileCount() {
+        int fileCount = this.chunkCount();
+        
+        if (fileCount == 0) {
+            // Transactions without any chunks can already be treated as a complete file
+            fileCount++;
+        }
+
+        if (this.getMetadataHash() != null) {
+            // Add the metadata file
+            fileCount++;
+        }
+
+        return fileCount;
+    }
+
     public List<ArbitraryDataFileChunk> getChunks() {
         return this.chunks;
     }

src/main/java/org/qortal/utils/ArbitraryTransactionUtils.java

@@ -193,7 +193,7 @@ public class ArbitraryTransactionUtils {
         ArbitraryDataFile arbitraryDataFile = ArbitraryDataFile.fromHash(digest, signature);
         arbitraryDataFile.setMetadataHash(metadataHash);
 
-        return arbitraryDataFile.chunkCount() + 1; // +1 for the metadata file
+        return arbitraryDataFile.fileCount();
     }
 
     public static boolean isFileRecent(Path filePath, long now, long cleanupAfter) {