// File: src/arbitrum/L1BridgeArbitrum.sol



// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

import {Ownable} from "openzeppelin-contracts/contracts/access/Ownable.sol";
import {IERC20} from "openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";
import {IERC20Permit} from "openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Permit.sol";

import {IInbox} from "../interfaces/arbitrum/IInbox.sol";
import {IL1GatewayRouter} from "../interfaces/arbitrum/IL1GatewayRouter.sol";

contract L1BridgeArbitrum is Ownable {
    /// @notice bips
    uint256 public FEE;

    event EtherDeposit(address from, address to, uint256 amount);
    event TokenDeposit(address from, address to, address l1Token, address l2Token, uint256 amount);

    constructor(uint256 _fee) Ownable() {
        FEE = _fee;
    }

    function initiateEtherDeposit(
        address payable _inbox,
        address _to,
        uint256 maxSubmissionCost,
        uint256 gasLimit,
        uint256 maxFeePerGas
    ) public payable {
        uint256 _amount = msg.value - maxSubmissionCost - gasLimit * maxFeePerGas;
        uint256 _fee = _amount * FEE / 10_000;
        uint256 _amountSubFee = _amount - _fee;
        uint256 _valueSubFee = msg.value - _fee;

        IInbox(_inbox).createRetryableTicket{value: _valueSubFee}(
            _to,
            _amountSubFee,
            maxSubmissionCost,
            _to, // excessFeeRefundAddress
            _to, // callValueRefundAddress
            gasLimit,
            maxFeePerGas,
            bytes("")
        );

        emit EtherDeposit(msg.sender, _to, _amount);
    }

    function initiateERC20Deposit(
        address payable _router,
        address _gateway,
        address _l1Token,
        address _l2Token,
        address _to,
        uint256 _amount,
        uint256 _maxSubmissionCost,
        uint256 _maxGas,
        uint256 _gasPriceBid
    ) public payable {
        IERC20 erc20 = IERC20(_l1Token);
        require(erc20.transferFrom(msg.sender, address(this), _amount), "!transferFrom");

        uint256 _fee = _amount * FEE / 10_000;
        uint256 _amountSubFee = _amount - _fee;

        erc20.approve(_gateway, _amountSubFee);
        IL1GatewayRouter(_router).outboundTransferCustomRefund{value: msg.value}(
            _l1Token, // _l1Token
            _to, // _refundTo
            _to, // _to
            _amountSubFee, // _amount
            _maxGas, // _maxGas
            _gasPriceBid, // _gasPriceBid,
            abi.encode(_maxSubmissionCost, bytes("")) // _data
        );
        erc20.approve(_gateway, 0);

        emit TokenDeposit(msg.sender, _to, _l1Token, _l2Token, _amountSubFee);
    }

    function withdrawEtherFees() public onlyOwner {
        (bool sent, bytes memory data) = owner().call{value: payable(address(this)).balance}("");
        require(sent, "Failed to send Ether");
    }

    function withdrawERC20Fees(address _token) public onlyOwner {
        IERC20 erc20 = IERC20(_token);
        bool sent = erc20.transfer(owner(), erc20.balanceOf(address(this)));
        require(sent, "Failed to send token");
    }

    function setFee(uint256 _fee) public onlyOwner {
        FEE = _fee;
    }
}

// File: lib/openzeppelin-contracts/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

// File: lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Permit.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// File: src/interfaces/arbitrum/IInbox.sol



// Copyright 2021-2022, Offchain Labs, Inc.
// For license information, see https://github.com/OffchainLabs/nitro-contracts/blob/main/LICENSE
// SPDX-License-Identifier: BUSL-1.1

// solhint-disable-next-line compiler-version
pragma solidity >=0.6.9 <0.9.0;

interface IInbox {
    // // function bridge() external view returns (IBridge);
    // // function sequencerInbox() external view returns (ISequencerInbox);

    // /**
    //  * @notice Send a generic L2 message to the chain
    //  * @dev This method is an optimization to avoid having to emit the entirety of the messageData in a log. Instead validators are expected to be able to parse the data from the transaction's input
    //  *      This method will be disabled upon L1 fork to prevent replay attacks on L2
    //  * @param messageData Data of the message being sent
    //  */
    // function sendL2MessageFromOrigin(bytes calldata messageData) external returns (uint256);

    // /**
    //  * @notice Send a generic L2 message to the chain
    //  * @dev This method can be used to send any type of message that doesn't require L1 validation
    //  *      This method will be disabled upon L1 fork to prevent replay attacks on L2
    //  * @param messageData Data of the message being sent
    //  */
    // function sendL2Message(bytes calldata messageData) external returns (uint256);

    // function sendL1FundedUnsignedTransaction(
    //     uint256 gasLimit,
    //     uint256 maxFeePerGas,
    //     uint256 nonce,
    //     address to,
    //     bytes calldata data
    // ) external payable returns (uint256);

    // function sendL1FundedContractTransaction(uint256 gasLimit, uint256 maxFeePerGas, address to, bytes calldata data)
    //     external
    //     payable
    //     returns (uint256);

    // function sendUnsignedTransaction(
    //     uint256 gasLimit,
    //     uint256 maxFeePerGas,
    //     uint256 nonce,
    //     address to,
    //     uint256 value,
    //     bytes calldata data
    // ) external returns (uint256);

    // function sendContractTransaction(
    //     uint256 gasLimit,
    //     uint256 maxFeePerGas,
    //     address to,
    //     uint256 value,
    //     bytes calldata data
    // ) external returns (uint256);

    // /**
    //  * @dev This method can only be called upon L1 fork and will not alias the caller
    //  *      This method will revert if not called from origin
    //  */
    // function sendL1FundedUnsignedTransactionToFork(
    //     uint256 gasLimit,
    //     uint256 maxFeePerGas,
    //     uint256 nonce,
    //     address to,
    //     bytes calldata data
    // ) external payable returns (uint256);

    // /**
    //  * @dev This method can only be called upon L1 fork and will not alias the caller
    //  *      This method will revert if not called from origin
    //  */
    // function sendUnsignedTransactionToFork(
    //     uint256 gasLimit,
    //     uint256 maxFeePerGas,
    //     uint256 nonce,
    //     address to,
    //     uint256 value,
    //     bytes calldata data
    // ) external returns (uint256);

    // /**
    //  * @notice Send a message to initiate L2 withdrawal
    //  * @dev This method can only be called upon L1 fork and will not alias the caller
    //  *      This method will revert if not called from origin
    //  */
    // function sendWithdrawEthToFork(
    //     uint256 gasLimit,
    //     uint256 maxFeePerGas,
    //     uint256 nonce,
    //     uint256 value,
    //     address withdrawTo
    // ) external returns (uint256);

    // /**
    //  * @notice Get the L1 fee for submitting a retryable
    //  * @dev This fee can be paid by funds already in the L2 aliased address or by the current message value
    //  * @dev This formula may change in the future, to future proof your code query this method instead of inlining!!
    //  * @param dataLength The length of the retryable's calldata, in bytes
    //  * @param baseFee The block basefee when the retryable is included in the chain, if 0 current block.basefee will be used
    //  */
    // function calculateRetryableSubmissionFee(uint256 dataLength, uint256 baseFee) external view returns (uint256);

    // /**
    //  * @notice Deposit eth from L1 to L2 to address of the sender if sender is an EOA, and to its aliased address if the sender is a contract
    //  * @dev This does not trigger the fallback function when receiving in the L2 side.
    //  *      Look into retryable tickets if you are interested in this functionality.
    //  * @dev This function should not be called inside contract constructors
    //  */
    // function depositEth() external payable returns (uint256);

    /**
     * @notice Put a message in the L2 inbox that can be reexecuted for some fixed amount of time if it reverts
     * @dev all msg.value will deposited to callValueRefundAddress on L2
     * @dev Gas limit and maxFeePerGas should not be set to 1 as that is used to trigger the RetryableData error
     * @param to destination L2 contract address
     * @param l2CallValue call value for retryable L2 message
     * @param maxSubmissionCost Max gas deducted from user's L2 balance to cover base submission fee
     * @param excessFeeRefundAddress gasLimit x maxFeePerGas - execution cost gets credited here on L2 balance
     * @param callValueRefundAddress l2Callvalue gets credited here on L2 if retryable txn times out or gets cancelled
     * @param gasLimit Max gas deducted from user's L2 balance to cover L2 execution. Should not be set to 1 (magic value used to trigger the RetryableData error)
     * @param maxFeePerGas price bid for L2 execution. Should not be set to 1 (magic value used to trigger the RetryableData error)
     * @param data ABI encoded data of L2 message
     * @return unique message number of the retryable transaction
     */
    function createRetryableTicket(
        address to,
        uint256 l2CallValue,
        uint256 maxSubmissionCost,
        address excessFeeRefundAddress,
        address callValueRefundAddress,
        uint256 gasLimit,
        uint256 maxFeePerGas,
        bytes calldata data
    ) external payable returns (uint256);

    // /**
    //  * @notice Put a message in the L2 inbox that can be reexecuted for some fixed amount of time if it reverts
    //  * @dev Same as createRetryableTicket, but does not guarantee that submission will succeed by requiring the needed funds
    //  * come from the deposit alone, rather than falling back on the user's L2 balance
    //  * @dev Advanced usage only (does not rewrite aliases for excessFeeRefundAddress and callValueRefundAddress).
    //  * createRetryableTicket method is the recommended standard.
    //  * @dev Gas limit and maxFeePerGas should not be set to 1 as that is used to trigger the RetryableData error
    //  * @param to destination L2 contract address
    //  * @param l2CallValue call value for retryable L2 message
    //  * @param maxSubmissionCost Max gas deducted from user's L2 balance to cover base submission fee
    //  * @param excessFeeRefundAddress gasLimit x maxFeePerGas - execution cost gets credited here on L2 balance
    //  * @param callValueRefundAddress l2Callvalue gets credited here on L2 if retryable txn times out or gets cancelled
    //  * @param gasLimit Max gas deducted from user's L2 balance to cover L2 execution. Should not be set to 1 (magic value used to trigger the RetryableData error)
    //  * @param maxFeePerGas price bid for L2 execution. Should not be set to 1 (magic value used to trigger the RetryableData error)
    //  * @param data ABI encoded data of L2 message
    //  * @return unique message number of the retryable transaction
    //  */
    // function unsafeCreateRetryableTicket(
    //     address to,
    //     uint256 l2CallValue,
    //     uint256 maxSubmissionCost,
    //     address excessFeeRefundAddress,
    //     address callValueRefundAddress,
    //     uint256 gasLimit,
    //     uint256 maxFeePerGas,
    //     bytes calldata data
    // ) external payable returns (uint256);
}

// File: src/interfaces/arbitrum/IL1GatewayRouter.sol



pragma solidity >=0.6.9 <0.9.0;

/**
 * @title Handles deposits from Erhereum into Arbitrum. Tokens are routered to their appropriate L1 gateway (Router itself also conforms to the Gateway itnerface).
 * @notice Router also serves as an L1-L2 token address oracle.
 */
interface IL1GatewayRouter {
    /**
     * @notice Deposit ERC20 token from Ethereum into Arbitrum using the registered or otherwise default gateway
     * @dev Some legacy gateway might not have the outboundTransferCustomRefund method and will revert, in such case use outboundTransfer instead
     *      L2 address alias will not be applied to the following types of addresses on L1:
     *      - an externally-owned account
     *      - a contract in construction
     *      - an address where a contract will be created
     *      - an address where a contract lived, but was destroyed
     * @param _token L1 address of ERC20
     * @param _refundTo Account, or its L2 alias if it have code in L1, to be credited with excess gas refund in L2
     * @param _to Account to be credited with the tokens in the L2 (can be the user's L2 account or a contract), not subject to L2 aliasing
     *               This account, or its L2 alias if it have code in L1, will also be able to cancel the retryable ticket and receive callvalue refund
     * @param _amount Token Amount
     * @param _maxGas Max gas deducted from user's L2 balance to cover L2 execution
     * @param _gasPriceBid Gas price for L2 execution
     * @param _data encoded data from router and user
     * @return res abi encoded inbox sequence number
     */
    function outboundTransferCustomRefund(
        address _token,
        address _refundTo,
        address _to,
        uint256 _amount,
        uint256 _maxGas,
        uint256 _gasPriceBid,
        bytes calldata _data
    ) external payable returns (bytes memory);
}

// File: lib/openzeppelin-contracts/contracts/utils/Context.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}