feat(worker): add chainId check in worker (ethereum#228)

* check chain id

* Update miner/taiko_worker.go

---------

Co-authored-by: David <david@taiko.xyz>

miner/taiko_worker.go

@@ -172,6 +172,15 @@ func (w *worker) sealBlockWith(
 	env.gasPool = new(core.GasPool).AddGas(gasLimit)
 
 	for i, tx := range txs {
+		if tx.ChainId().Cmp(w.chainConfig.ChainID) != 0 {
+			if i == 0 {
+				return nil, fmt.Errorf("anchor tx with invalid chain id, expected: %v, actual: %v", w.chainConfig.ChainID, tx.ChainId())
+			} else {
+				log.Debug("Skip an proposed transaction with invalid chain id", "hash", tx.Hash(), "expect", w.chainConfig.ChainID, "actual", tx.ChainId())
+				continue
+			}
+		}
+
 		if i == 0 {
 			if err := tx.MarkAsAnchor(); err != nil {
 				return nil, err