Fix/limit max msgs (#36)

* limit max msgs

* add it at load pending tx too

Author: sh-cha

executor/child/handler.go

@@ -48,13 +48,21 @@ func (ch *Child) endBlockHandler(_ context.Context, args nodetypes.EndBlockArgs)
 
 	// if has key, then process the messages
 	if ch.host.HasKey() {
-		if len(ch.GetMsgQueue()) != 0 {
+		msgQueue := ch.GetMsgQueue()
+
+		for i := 0; i < len(msgQueue); i += 5 {
+			end := i + 5
+			if end > len(msgQueue) {
+				end = len(msgQueue)
+			}
+
 			ch.AppendProcessedMsgs(btypes.ProcessedMsgs{
-				Msgs:      ch.GetMsgQueue(),
+				Msgs:      msgQueue[i:end],
 				Timestamp: time.Now().UnixNano(),
 				Save:      true,
 			})
 		}
+
 		msgKVs, err := ch.host.ProcessedMsgsToRawKV(ch.GetProcessedMsgs(), false)
 		if err != nil {
 			return err

executor/host/handler.go

@@ -27,9 +27,14 @@ func (h *Host) endBlockHandler(_ context.Context, args nodetypes.EndBlockArgs) e
 		h.Node().SyncInfoToRawKV(blockHeight),
 	}
 	if h.Node().HasBroadcaster() {
-		if len(msgQueue) != 0 {
+		for i := 0; i < len(msgQueue); i += 5 {
+			end := i + 5
+			if end > len(msgQueue) {
+				end = len(msgQueue)
+			}
+
 			h.AppendProcessedMsgs(btypes.ProcessedMsgs{
-				Msgs:      msgQueue,
+				Msgs:      msgQueue[i:end],
 				Timestamp: time.Now().UnixNano(),
 				Save:      true,
 			})

node/broadcaster/broadcaster.go

@@ -187,11 +187,18 @@ func (b *Broadcaster) prepareBroadcaster(ctx context.Context, lastBlockTime time
 			}
 
 			if txInfo.Save {
-				b.pendingProcessedMsgs = append(b.pendingProcessedMsgs, btypes.ProcessedMsgs{
-					Msgs:      msgs,
-					Timestamp: time.Now().UnixNano(),
-					Save:      txInfo.Save,
-				})
+				for i := 0; i < len(msgs); i += 5 {
+					end := i + 5
+					if end > len(msgs) {
+						end = len(msgs)
+					}
+
+					b.pendingProcessedMsgs = append(b.pendingProcessedMsgs, btypes.ProcessedMsgs{
+						Msgs:      msgs[i:end],
+						Timestamp: time.Now().UnixNano(),
+						Save:      true,
+					})
+				}
 			}
 
 			b.logger.Debug("pending tx", zap.Int("index", i), zap.String("tx", txInfo.String()))