// SPDX-License-Identifier: MIT

pragma solidity 0.8.29;

import {IL2ScrollMessenger} from "@scroll-tech/contracts/L2/IL2ScrollMessenger.sol";
import {IGigaRootProvider, IGigaRootRecipient, ILocalRootRecipient, ILocalRootProvider} from "../interfaces/IRootMessengers.sol";
import {IL2BridgeAdapter} from "../interfaces/IL2BridgeAdapter.sol";

contract L2ScrollBridgeAdapter is
    IL2BridgeAdapter,
    IGigaRootProvider,
    ILocalRootRecipient
{
    uint256 public gigaRoot;

    // TODO erhm so scroll probably dropped L1SLOAD 
    // address L1_SLOAD_ADDRESS = 0x0000000000000000000000000000000000000101;
    // uint256 gigaRootL1Slot = 0;

    address l1ScrollBridgeAdapter;
    address l2ScrollMessenger;
    address l2WarpToad; // L2 warptoad

    event SentLocalRootToL1(uint256 indexed localRoot);
    event NewGigaRoot(uint256 indexed gigaRoot);
    constructor(
        address _l2ScrollMessenger,
        address _l1ScrollBridgeAdapter,
        address _l2WarpToad
    ) {
        l1ScrollBridgeAdapter = _l1ScrollBridgeAdapter;
        l2ScrollMessenger = _l2ScrollMessenger;
        l2WarpToad = _l2WarpToad;
    }

    // extra for the contracts that want it.
    // receiveGigaRoot (called by the L2ScrollBridge) will send it to L2Warptoad already
    function sendGigaRoot(address _gigaRootRecipient) public payable {
        IGigaRootRecipient(_gigaRootRecipient).receiveGigaRoot(gigaRoot);
    }

    function sentLocalRootToL1() public {
        (uint256 _l2Root, uint256 _l2BlockNumber) = ILocalRootProvider(
            l2WarpToad
        ).getLocalRootAndBlock();
        // sendMessage is able to execute any function by encoding the abi using the encodeWithSignature function
        //IScrollMessenger(l2ScrollMessenger).sendMessage{value: msg.value}(
        uint256 gasLimit = 2000000;
        IL2ScrollMessenger(l2ScrollMessenger).sendMessage{value: 0}( // can this be 0?? or can we pay for some relayer?? check docs!
            l1ScrollBridgeAdapter, // TODO send to a L1Adapter first
            0,
            abi.encodeWithSignature("getNewRootFromL2(uint256,uint256)",_l2Root,_l2BlockNumber),
            gasLimit,
            msg.sender
        );


        emit SentLocalRootToL1(_l2Root);
    }

    function sentLocalRootToL1(uint256 _gasLimit) public {
        (uint256 _l2Root, uint256 _l2BlockNumber) = ILocalRootProvider(
            l2WarpToad
        ).getLocalRootAndBlock();
        // sendMessage is able to execute any function by encoding the abi using the encodeWithSignature function
        //IScrollMessenger(l2ScrollMessenger).sendMessage{value: msg.value}(
        IL2ScrollMessenger(l2ScrollMessenger).sendMessage{value: 0}( // can this be 0?? or can we pay for some relayer?? check docs!
            l1ScrollBridgeAdapter, // TODO send to a L1Adapter first
            0,
            abi.encodeWithSignature("getNewRootFromL2(uint256,uint256)",_l2Root,_l2BlockNumber),
            _gasLimit,
            msg.sender
        );

        emit SentLocalRootToL1(_l2Root);
    }
   
    function receiveGigaRoot(uint256 _gigaRoot) public payable {
        require(msg.sender == l2ScrollMessenger,"function not called by l1ScrollMessenger");
        require(l1ScrollBridgeAdapter == IL2ScrollMessenger(l2ScrollMessenger).xDomainMessageSender(),"contract messaging from L1 is not the L1ScrollBridgeAdapter");
        gigaRoot = _gigaRoot;
        sendGigaRoot(l2WarpToad);
        emit NewGigaRoot(_gigaRoot);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.24;

import {IScrollMessenger} from "../libraries/IScrollMessenger.sol";

interface IL2ScrollMessenger is IScrollMessenger {
    /**********
     * Events *
     **********/

    /// @notice Emitted when the maximum number of times each message can fail in L2 is updated.
    /// @param oldMaxFailedExecutionTimes The old maximum number of times each message can fail in L2.
    /// @param newMaxFailedExecutionTimes The new maximum number of times each message can fail in L2.
    event UpdateMaxFailedExecutionTimes(uint256 oldMaxFailedExecutionTimes, uint256 newMaxFailedExecutionTimes);

    /*****************************
     * Public Mutating Functions *
     *****************************/

    /// @notice execute L1 => L2 message
    /// @dev Make sure this is only called by privileged accounts.
    /// @param from The address of the sender of the message.
    /// @param to The address of the recipient of the message.
    /// @param value The msg.value passed to the message call.
    /// @param nonce The nonce of the message to avoid replay attack.
    /// @param message The content of the message.
    function relayMessage(
        address from,
        address to,
        uint256 value,
        uint256 nonce,
        bytes calldata message
    ) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.24;

interface IScrollMessenger {
    /**********
     * Events *
     **********/

    /// @notice Emitted when a cross domain message is sent.
    /// @param sender The address of the sender who initiates the message.
    /// @param target The address of target contract to call.
    /// @param value The amount of value passed to the target contract.
    /// @param messageNonce The nonce of the message.
    /// @param gasLimit The optional gas limit passed to L1 or L2.
    /// @param message The calldata passed to the target contract.
    event SentMessage(
        address indexed sender,
        address indexed target,
        uint256 value,
        uint256 messageNonce,
        uint256 gasLimit,
        bytes message
    );

    /// @notice Emitted when a cross domain message is relayed successfully.
    /// @param messageHash The hash of the message.
    event RelayedMessage(bytes32 indexed messageHash);

    /// @notice Emitted when a cross domain message is failed to relay.
    /// @param messageHash The hash of the message.
    event FailedRelayedMessage(bytes32 indexed messageHash);

    /**********
     * Errors *
     **********/

    /// @dev Thrown when the given address is `address(0)`.
    error ErrorZeroAddress();

    /*************************
     * Public View Functions *
     *************************/

    /// @notice Return the sender of a cross domain message.
    function xDomainMessageSender() external view returns (address);

    /*****************************
     * Public Mutating Functions *
     *****************************/

    /// @notice Send cross chain message from L1 to L2 or L2 to L1.
    /// @param target The address of account who receive the message.
    /// @param value The amount of ether passed when call target contract.
    /// @param message The content of the message.
    /// @param gasLimit Gas limit required to complete the message relay on corresponding chain.
    function sendMessage(
        address target,
        uint256 value,
        bytes calldata message,
        uint256 gasLimit
    ) external payable;

    /// @notice Send cross chain message from L1 to L2 or L2 to L1.
    /// @param target The address of account who receive the message.
    /// @param value The amount of ether passed when call target contract.
    /// @param message The content of the message.
    /// @param gasLimit Gas limit required to complete the message relay on corresponding chain.
    /// @param refundAddress The address of account who will receive the refunded fee.
    function sendMessage(
        address target,
        uint256 value,
        bytes calldata message,
        uint256 gasLimit,
        address refundAddress
    ) external payable;
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.29;

interface IL2BridgeAdapter {
    //TODO
    
    // gigaRoot is emitted as a bytes32 here because thats how it's recovered on the
    //  L2 side of this rootBridgeAdapter.  Key and index are also used to
    // retrieve this newGigaRoot on L2
    //event ReceivedNewL2Root(uint256 newL2Root, uint256 l2Block);

}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.29;

interface IGigaRootProvider {
    function sendGigaRoot(address _gigaRootRecipient) external payable;
    function gigaRoot() external returns(uint256);
}

interface IGigaRootRecipient {
    function receiveGigaRoot(uint256 _gigaRoot) payable external;
    //function receiveGigaRoot(uint256 _gigaRoot, uint256 _gasLimit) payable external;
}


interface ILocalRootProvider {
    function getLocalRootAndBlock() external returns (uint256, uint256);
}

interface ILocalRootRecipient {
    //only gigaBridge does this
    //function updateGigaRoot(address[] memory _localRootProvider) external;
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "evmVersion": "cancun",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"_l2ScrollMessenger","type":"address"},{"internalType":"address","name":"_l1ScrollBridgeAdapter","type":"address"},{"internalType":"address","name":"_l2WarpToad","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"gigaRoot","type":"uint256"}],"name":"NewGigaRoot","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"localRoot","type":"uint256"}],"name":"SentLocalRootToL1","type":"event"},{"inputs":[],"name":"gigaRoot","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_gigaRoot","type":"uint256"}],"name":"receiveGigaRoot","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_gigaRootRecipient","type":"address"}],"name":"sendGigaRoot","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_gasLimit","type":"uint256"}],"name":"sentLocalRootToL1","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sentLocalRootToL1","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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