Fixed bugs when computing directory digest. The order was being lost when adding to the second List, which was producing different hashes on different systems. It also doesn't make sense to convert paths to lowercase, given that we want our validation to be case sensitive.

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

@@ -10,9 +10,10 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
-import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
+import java.util.stream.Collectors;
 
 public class ArbitraryDataDigest {
 
@@ -26,8 +27,8 @@ public class ArbitraryDataDigest {
     }
 
     public void compute() throws IOException {
-        List<Path> allPaths = new ArrayList<>();
-        Files.walk(path).filter(Files::isRegularFile).forEachOrdered(p -> allPaths.add(p));
+        List<Path> allPaths = Files.walk(path).filter(Files::isRegularFile).collect(Collectors.toList());
+        Collections.sort(allPaths);
         Path basePathAbsolute = this.path.toAbsolutePath();
 
         MessageDigest sha256 = null;
@@ -49,7 +50,7 @@ public class ArbitraryDataDigest {
             }
 
             // Hash path
-            byte[] filePathBytes = relativePath.toString().toLowerCase().getBytes(StandardCharsets.UTF_8);
+            byte[] filePathBytes = relativePath.toString().getBytes(StandardCharsets.UTF_8);
             sha256.update(filePathBytes);
 
             // Hash contents