Use bytes.concat in MessageHashUtils (#4504)

2023-08-02 15:45:39 -03:00
parent 5ae630684a
commit d39df78f6c
2 changed files with 5 additions and 2 deletions
--- a/contracts/utils/cryptography/MessageHashUtils.sol
+++ b/contracts/utils/cryptography/MessageHashUtils.sol
@ -46,7 +46,8 @@ library MessageHashUtils {
     * See {ECDSA-recover}.
     */
    function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32 digest) {
-        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(message.length), message));
+        return
+            keccak256(bytes.concat("\x19Ethereum Signed Message:\n", bytes(Strings.toString(message.length)), message));
    }

    /**