L28:    bytes32 private constant EIP712_DOMAIN =
            keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
L56:    bytes32 private constant EIP_712_NAME = keccak256("EthenaUStbMinting");
L59:    bytes32 private constant EIP712_REVISION = keccak256("1");
        function _computeDomainSeparator() internal view returns (bytes32) {
L665:       return keccak256(abi.encode(EIP712_DOMAIN, EIP_712_NAME, EIP712_REVISION, block.chainid, address(this)));
        }
