Add equals and hashcode

headers.txt

@@ -5,12 +5,26 @@ import java.nio.charset.StandardCharsets;
 import java.lang.IllegalStateException;
 import java.io.IOException;
 import java.io.DataInput;
+import java.util.Arrays;
 
 
 public class TdApi {
     public abstract static class Object {
         public native String toString();
 
+        public boolean equals(Object o) {
+            if (o == null) return false;
+            if (o == this) return true;
+            if (o instanceof Object) {
+                return Arrays.equals(this.serialize(), o.serialize());
+            }
+            return false;
+        }
+
+        public int hashCode() {
+            return Arrays.hashCode(this.serialize());
+        }
+
         public abstract int getConstructor();
 
         public byte[] serialize() throws IOException {