Merge pull request #1617 from mikedoan/chainID

[transactionpool.go] check chainID for incoming tx

internal/hmyapi/error.go

@@ -0,0 +1,8 @@
+package hmyapi
+
+import "errors"
+
+var (
+	// ErrIncorrectChainID is an incorrect chain ID.
+	ErrIncorrectChainID = errors.New("Incorrect chain ID")
+)

internal/hmyapi/transactionpool.go

@@ -131,6 +131,9 @@ func (s *PublicTransactionPoolAPI) SendRawTransaction(ctx context.Context, encod
 	if err := rlp.DecodeBytes(encodedTx, tx); err != nil {
 		return common.Hash{}, err
 	}
+	if tx.ChainID() != s.b.ChainConfig().ChainID {
+		return common.Hash{}, ErrIncorrectChainID
+	}
 	return SubmitTransaction(ctx, s.b, tx)
 }