From 998e88c7503a504998862a6d1a6a6e1e632edda2 Mon Sep 17 00:00:00 2001
From: Minh Doan <minh@harmony.one>
Date: Wed, 18 Sep 2019 12:01:19 -0700
Subject: [PATCH] check chainID for incoming tx for rpc

---
 internal/hmyapi/transactionpool.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/internal/hmyapi/transactionpool.go b/internal/hmyapi/transactionpool.go
index 0408f6403..bddb6ad1d 100644
--- a/internal/hmyapi/transactionpool.go
+++ b/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)
 }