feat(net): optimize block message processing logic

Author: zeusoo001

framework/src/main/java/org/tron/core/net/messagehandler/BlockMsgHandler.java

@@ -61,6 +61,18 @@ public void processMessage(PeerConnection peer, TronMessage msg) throws P2pExcep
     BlockMessage blockMessage = (BlockMessage) msg;
     BlockId blockId = blockMessage.getBlockId();
 
+    BlockCapsule blockCapsule = blockMessage.getBlockCapsule();
+    if (blockCapsule.getInstance().getSerializedSize() > maxBlockSize) {
+      logger.error("Receive bad block {} from peer {}, block size over limit",
+          blockMessage.getBlockId(), peer.getInetSocketAddress());
+      throw new P2pException(TypeEnum.BAD_MESSAGE, "block size over limit");
+    }
+    long gap = blockCapsule.getTimeStamp() - System.currentTimeMillis();
+    if (gap >= BLOCK_PRODUCED_INTERVAL) {
+      logger.error("Receive bad block {} from peer {}, block time error",
+          blockMessage.getBlockId(), peer.getInetSocketAddress());
+      throw new P2pException(TypeEnum.BAD_MESSAGE, "block time error");
+    }
     if (!fastForward && !peer.isRelayPeer()) {
       check(peer, blockMessage);
     }
@@ -109,18 +121,6 @@ private void check(PeerConnection peer, BlockMessage msg) throws P2pException {
               msg.getBlockId(), peer.getInetSocketAddress());
       throw new P2pException(TypeEnum.BAD_MESSAGE, "no request");
     }
-    BlockCapsule blockCapsule = msg.getBlockCapsule();
-    if (blockCapsule.getInstance().getSerializedSize() > maxBlockSize) {
-      logger.error("Receive bad block {} from peer {}, block size over limit",
-              msg.getBlockId(), peer.getInetSocketAddress());
-      throw new P2pException(TypeEnum.BAD_MESSAGE, "block size over limit");
-    }
-    long gap = blockCapsule.getTimeStamp() - System.currentTimeMillis();
-    if (gap >= BLOCK_PRODUCED_INTERVAL) {
-      logger.error("Receive bad block {} from peer {}, block time error",
-              msg.getBlockId(), peer.getInetSocketAddress());
-      throw new P2pException(TypeEnum.BAD_MESSAGE, "block time error");
-    }
   }
 
   private void processBlock(PeerConnection peer, BlockCapsule block) throws P2pException {