fix: #316 Latest supported version should be decided based on runtime…

… java version. Optional<byte[]> issue fixed (#321)

annotation-processor/src/main/java/com/bloxbean/cardano/client/plutus/annotation/processor/ConstrAnnotationProcessor.java

@@ -23,7 +23,7 @@
  * Annotation processor for Plutus Constr annotation. This annotation processor generates the Serilizer and Deserializer code
  * for the Constr annotated classes.
  */
-@SupportedSourceVersion(SourceVersion.RELEASE_11)
+
 @AutoService(Processor.class)
 @Slf4j
 public class ConstrAnnotationProcessor extends AbstractProcessor {
@@ -47,6 +47,11 @@ public Set<String> getSupportedAnnotationTypes() {
         return annotataions;
     }
 
+    @Override
+    public SourceVersion getSupportedSourceVersion() {
+        return SourceVersion.latestSupported();
+    }
+
     @Override
     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
         for (TypeElement annotation : annotations) {

annotation-processor/src/main/java/com/bloxbean/cardano/client/plutus/annotation/processor/ConverterCodeGenerator.java

@@ -360,6 +360,8 @@ private TypeName bestGuess(String name) {
             return ClassName.get(Integer.class);
         else if ("long".equals(name))
             return ClassName.get(Long.class);
+        else if ("byte[]".equals(name))
+            return ArrayTypeName.of(TypeName.BYTE);
         else
             return ClassName.bestGuess(name);
     }

annotation-processor/src/test/resources/Model1.java

@@ -18,6 +18,7 @@ public class Model1 {
     Optional<Integer> optInt;
     Optional<Model2> optMod2;
     Optional<Long> optionalLong;
+    Optional<byte[]> bytes;
 
     @Enc("hex")
     private String str;