Persistnce: [RocksDb] check for endianness

src/Abc.Zebus.Persistence.RocksDb/RocksDbStorage.cs

@@ -102,10 +102,10 @@ namespace Abc.Zebus.Persistence.RocksDb
                     // Message 
                     if (!_outOfOrderAcks.TryRemove(entry.MessageId, out _))
                         // Message before ack
-                        _db.Put(key, entry.MessageBytes, _messagesColumnFamily); 
+                        _db.Put(key, entry.MessageBytes, _messagesColumnFamily);
                     else
                         // Otherwise ignore the message and remove the ack as it has already been acked
-                        _db.Remove(key, _acksColumnFamily); 
+                        _db.Remove(key, _acksColumnFamily);
                 }
             }
 
@@ -190,7 +190,9 @@ namespace Abc.Zebus.Persistence.RocksDb
             Buffer.BlockCopy(peerPart, 0, key, 0, peerPart.Length);
 
             var tickPart = BitConverter.GetBytes(ticks);
-            Array.Reverse(tickPart); // change endianness
+            if (BitConverter.IsLittleEndian)
+                Array.Reverse(tickPart); // change endianness so sorting will be correct
+
             Buffer.BlockCopy(tickPart, 0, key, peerPart.Length, sizeof(long));
 
             var messageIdPart = messageId.ToByteArray();
@@ -215,14 +217,14 @@ namespace Abc.Zebus.Persistence.RocksDb
 
         private static Guid ReadMessageIdFromKey(byte[] keyBytes)
         {
-            var messageIdBytes = new byte [_guidLength];
+            var messageIdBytes = new byte[_guidLength];
             Buffer.BlockCopy(keyBytes, keyBytes.Length - _guidLength, messageIdBytes, 0, _guidLength);
             var messageId = new Guid(messageIdBytes);
             return messageId;
         }
 
-        private static PeerId ReadPeerKey(byte[] keyBytes) => new PeerId(Encoding.UTF8.GetString(keyBytes)); 
-        private static byte[] GetPeerKey(PeerId peerId) => Encoding.UTF8.GetBytes(peerId.ToString()); 
+        private static PeerId ReadPeerKey(byte[] keyBytes) => new PeerId(Encoding.UTF8.GetString(keyBytes));
+        private static byte[] GetPeerKey(PeerId peerId) => Encoding.UTF8.GetBytes(peerId.ToString());
         public static byte[] CreateKeyBuffer(PeerId entryPeerId) => new byte[Encoding.UTF8.GetByteCount(entryPeerId.ToString()) + sizeof(long) + _guidLength];
 
         public static bool CompareStart(byte[] x, byte[] y, int length)