From 1a2407a72814ee62a689af8a7c67e99eeaf7310a Mon Sep 17 00:00:00 2001
From: yushihang <yushihang@gmail.com>
Date: Sun, 12 Jan 2025 09:51:16 +0800
Subject: [PATCH] add zero address checking

---
 contracts/cross-chain/CrossChainProofValidator.sol | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/contracts/cross-chain/CrossChainProofValidator.sol b/contracts/cross-chain/CrossChainProofValidator.sol
index 09f271f2..5e0829e5 100644
--- a/contracts/cross-chain/CrossChainProofValidator.sol
+++ b/contracts/cross-chain/CrossChainProofValidator.sol
@@ -40,6 +40,7 @@ contract CrossChainProofValidator is Ownable, EIP712, ICrossChainProofValidator
         string memory signatureVersion,
         address oracleSigningAddress
     ) EIP712(domainName, signatureVersion) Ownable(msg.sender) {
+        require(oracleSigningAddress != address(0), "Oracle signing address should not be zero");
         bytes32 hashedName = keccak256(bytes(domainName));
         bytes32 hashedVersion = keccak256(bytes(signatureVersion));
         uint256 chainId = 0;
@@ -63,6 +64,7 @@ contract CrossChainProofValidator is Ownable, EIP712, ICrossChainProofValidator
      * @param oracleSigningAddress The new oracle signing address
      **/
     function setOracleSigningAddress(address oracleSigningAddress) public onlyOwner {
+        require(oracleSigningAddress != address(0), "Oracle signing address should not be zero");
         _oracleSigningAddress = oracleSigningAddress;
     }