change state syncing if the node is doing consensus

node/node_handler.go

@@ -403,18 +403,26 @@ func (node *Node) BroadcastNewBlock(newBlock *blockchain.Block) {
 
 // VerifyNewBlock is called by consensus participants to verify the block they are running consensus on
 func (node *Node) VerifyNewBlock(newBlock *blockchain.Block) bool {
+	// TODO: just a reminder for syncing. we need to check if the new block is fit with the current blockchain.
+	// The current blockchain can be in the progress of being synced.
+	var verified bool
 	if newBlock.AccountBlock != nil {
 		accountBlock := new(types.Block)
 		err := rlp.DecodeBytes(newBlock.AccountBlock, accountBlock)
 		if err != nil {
 			node.log.Error("Failed decoding the block with RLP")
 		}
-		return node.VerifyNewBlockAccount(accountBlock)
+		verified = node.VerifyNewBlockAccount(accountBlock)
+	} else if newBlock.IsStateBlock() {
+		verified = node.UtxoPool.VerifyStateBlock(newBlock)
+	} else {
+		verified = node.UtxoPool.VerifyTransactions(newBlock.Transactions)
 	}
-	if newBlock.IsStateBlock() {
-		return node.UtxoPool.VerifyStateBlock(newBlock)
+	if verified {
+		// Change the syncing state.
+		node.State = NodeDoingConsensus
 	}
-	return node.UtxoPool.VerifyTransactions(newBlock.Transactions)
+	return verified
 }
 
 // VerifyNewBlockAccount is called by consensus participants to verify the block (account model) they are running consensus on