// from https://github.com/ethereum-optimism/optimism/blob/a080bd23666513269ff241f1b7bc3bce74b6ad15/packages/contracts-bedrock/src/vendor/AddressAliasHelper.sol

pragma solidity ^0.8.0;

library AddressAliasHelper {
    ..snip
}
    function sendMessageToL2(address to, uint248 value, bytes calldata data) external payable {
        uint256 totalLength = data.length + 4;
        uint256[] memory convertedData = new uint256[](totalLength);
        convertedData[0] = uint256(uint160(AddressAliasHelper.applyL1ToL2Alias(msg.sender)));
        convertedData[1] = uint256(uint160(to));
        convertedData[2] = uint256(value);
        convertedData[3] = data.length;
        for (uint256 i = 4; i < totalLength; ++i) {
            convertedData[i] = uint256(uint8(data[i - 4]));
        }

        
        starknetMessaging.sendMessageToL2{value: msg.value}(kakarotAddress, HANDLE_L1_MESSAGE_SELECTOR, convertedData);
    }
