function proposeBlock(
        TaikoData.State storage _state,
        TaikoData.Config memory _config,
        IAddressResolver _resolver,
        bytes calldata _data,
        bytes calldata _txList
    )
        internal
        returns (TaikoData.BlockMetadata memory meta_, TaikoData.EthDeposit[] memory deposits_)
    {
    ...
if (params.parentMetaHash != 0 && parentMetaHash != params.parentMetaHash) {
            revert L1_UNEXPECTED_PARENT();
        }
    ...
    }
TaikoData.Block memory blk = TaikoData.Block({
            metaHash: keccak256(abi.encode(meta_)),
...
})
function proveBlock
	...
	if (blk.blockId != _meta.id || blk.metaHash != keccak256(abi.encode(_meta))) {
            revert L1_BLOCK_MISMATCH();
        }
	...
}
