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// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.8.0;

import "../interfaces/AdapterInterface.sol";

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

interface ArbitrumL1InboxLike {
    function createRetryableTicket(
        address destAddr,
        uint256 arbTxCallValue,
        uint256 maxSubmissionCost,
        address submissionRefundAddress,
        address valueRefundAddress,
        uint256 maxGas,
        uint256 gasPriceBid,
        bytes calldata data
    ) external payable returns (uint256);
}

interface ArbitrumL1ERC20GatewayLike {
    function outboundTransfer(
        address _token,
        address _to,
        uint256 _amount,
        uint256 _maxGas,
        uint256 _gasPriceBid,
        bytes calldata _data
    ) external payable returns (bytes memory);

    function outboundTransferCustomRefund(
        address _token,
        address _refundTo,
        address _to,
        uint256 _amount,
        uint256 _maxGas,
        uint256 _gasPriceBid,
        bytes calldata _data
    ) external payable returns (bytes memory);

    function getGateway(address _token) external view returns (address);
}

/**
 * @notice Contract containing logic to send messages from L1 to Arbitrum.
 * @dev Public functions calling external contracts do not guard against reentrancy because they are expected to be
 * called via delegatecall, which will execute this contract's logic within the context of the originating contract.
 * For example, the HubPool will delegatecall these functions, therefore its only necessary that the HubPool's methods
 * that call this contract's logic guard against reentrancy.
 */

// solhint-disable-next-line contract-name-camelcase
contract Arbitrum_Adapter is AdapterInterface {
    using SafeERC20 for IERC20;

    // Amount of ETH allocated to pay for the base submission fee. The base submission fee is a parameter unique to
    // retryable transactions; the user is charged the base submission fee to cover the storage costs of keeping their
    // ticket’s calldata in the retry buffer. (current base submission fee is queryable via
    // ArbRetryableTx.getSubmissionPrice). ArbRetryableTicket precompile interface exists at L2 address
    // 0x000000000000000000000000000000000000006E.
    uint256 public constant l2MaxSubmissionCost = 0.01e18;

    // L2 Gas price bid for immediate L2 execution attempt (queryable via standard eth*gasPrice RPC)
    uint256 public constant l2GasPrice = 5e9; // 5 gWei

    uint32 public constant RELAY_TOKENS_L2_GAS_LIMIT = 300_000;
    uint32 public constant RELAY_MESSAGE_L2_GAS_LIMIT = 2_000_000;

    // This address on L2 receives extra ETH that is left over after relaying a message via the inbox.
    address public constant l2RefundL2Address = 0x428AB2BA90Eba0a4Be7aF34C9Ac451ab061AC010;

    ArbitrumL1InboxLike public immutable l1Inbox;

    ArbitrumL1ERC20GatewayLike public immutable l1ERC20GatewayRouter;

    /**
     * @notice Constructs new Adapter.
     * @param _l1ArbitrumInbox Inbox helper contract to send messages to Arbitrum.
     * @param _l1ERC20GatewayRouter ERC20 gateway router contract to send tokens to Arbitrum.
     */
    constructor(ArbitrumL1InboxLike _l1ArbitrumInbox, ArbitrumL1ERC20GatewayLike _l1ERC20GatewayRouter) {
        l1Inbox = _l1ArbitrumInbox;
        l1ERC20GatewayRouter = _l1ERC20GatewayRouter;
    }

    /**
     * @notice Send cross-chain message to target on Arbitrum.
     * @notice This contract must hold at least getL1CallValue() amount of ETH to send a message via the Inbox
     * successfully, or the message will get stuck.
     * @param target Contract on Arbitrum that will receive message.
     * @param message Data to send to target.
     */
    function relayMessage(address target, bytes memory message) external payable override {
        uint256 requiredL1CallValue = _contractHasSufficientEthBalance(RELAY_MESSAGE_L2_GAS_LIMIT);

        l1Inbox.createRetryableTicket{ value: requiredL1CallValue }(
            target, // destAddr destination L2 contract address
            0, // l2CallValue call value for retryable L2 message
            l2MaxSubmissionCost, // maxSubmissionCost Max gas deducted from user's L2 balance to cover base fee
            l2RefundL2Address, // excessFeeRefundAddress maxgas * gasprice - execution cost gets credited here on L2
            l2RefundL2Address, // callValueRefundAddress l2Callvalue gets credited here on L2 if retryable txn times out or gets cancelled
            RELAY_MESSAGE_L2_GAS_LIMIT, // maxGas Max gas deducted from user's L2 balance to cover L2 execution
            l2GasPrice, // gasPriceBid price bid for L2 execution
            message // data ABI encoded data of L2 message
        );

        emit MessageRelayed(target, message);
    }

    /**
     * @notice Bridge tokens to Arbitrum.
     * @notice This contract must hold at least getL1CallValue() amount of ETH to send a message via the Inbox
     * successfully, or the message will get stuck.
     * @param l1Token L1 token to deposit.
     * @param l2Token L2 token to receive.
     * @param amount Amount of L1 tokens to deposit and L2 tokens to receive.
     * @param to Bridge recipient.
     */
    function relayTokens(
        address l1Token,
        address l2Token, // l2Token is unused for Arbitrum.
        uint256 amount,
        address to
    ) external payable override {
        uint256 requiredL1CallValue = _contractHasSufficientEthBalance(RELAY_TOKENS_L2_GAS_LIMIT);

        // Approve the gateway, not the router, to spend the hub pool's balance. The gateway, which is different
        // per L1 token, will temporarily escrow the tokens to be bridged and pull them from this contract.
        address erc20Gateway = l1ERC20GatewayRouter.getGateway(l1Token);
        IERC20(l1Token).safeIncreaseAllowance(erc20Gateway, amount);

        // `outboundTransfer` expects that the caller includes a bytes message as the last param that includes the
        // maxSubmissionCost to use when creating an L2 retryable ticket: https://github.com/OffchainLabs/arbitrum/blob/e98d14873dd77513b569771f47b5e05b72402c5e/packages/arb-bridge-peripherals/contracts/tokenbridge/ethereum/gateway/L1GatewayRouter.sol#L232
        bytes memory data = abi.encode(l2MaxSubmissionCost, "");

        // Note: Legacy routers don't have the outboundTransferCustomRefund method, so default to using
        // outboundTransfer(). Legacy routers are used for the following tokens that are currently enabled:
        // - DAI
        if (l1Token == 0x6B175474E89094C44Da98b954EedeAC495271d0F) {
            // Note: outboundTransfer() will ultimately create a retryable ticket and set this contract's address as the
            // refund address. This means that the excess ETH to pay for the L2 transaction will be sent to the aliased
            // contract address on L2, which we'd have to retrieve via a custom adapter
            // (i.e. the Arbitrum_RescueAdapter).
            l1ERC20GatewayRouter.outboundTransfer{ value: requiredL1CallValue }(
                l1Token,
                to,
                amount,
                RELAY_TOKENS_L2_GAS_LIMIT,
                l2GasPrice,
                data
            );
        } else {
            l1ERC20GatewayRouter.outboundTransferCustomRefund{ value: requiredL1CallValue }(
                l1Token,
                l2RefundL2Address,
                to,
                amount,
                RELAY_TOKENS_L2_GAS_LIMIT,
                l2GasPrice,
                data
            );
        }
        emit TokensRelayed(l1Token, l2Token, amount, to);
    }

    /**
     * @notice Returns required amount of ETH to send a message via the Inbox.
     * @return amount of ETH that this contract needs to hold in order for relayMessage to succeed.
     */
    function getL1CallValue(uint32 l2GasLimit) public pure returns (uint256) {
        return l2MaxSubmissionCost + l2GasPrice * l2GasLimit;
    }

    function _contractHasSufficientEthBalance(uint32 l2GasLimit) internal view returns (uint256 requiredL1CallValue) {
        requiredL1CallValue = getL1CallValue(l2GasLimit);
        require(address(this).balance >= requiredL1CallValue, "Insufficient ETH balance");
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - 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
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.8.0;

/**
 * @notice Sends cross chain messages and tokens to contracts on a specific L2 network.
 */

interface AdapterInterface {
    event MessageRelayed(address target, bytes message);

    event TokensRelayed(address l1Token, address l2Token, uint256 amount, address to);

    function relayMessage(address target, bytes calldata message) external payable;

    function relayTokens(
        address l1Token,
        address l2Token,
        uint256 amount,
        address to
    ) external payable;
}

{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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[{"inputs":[{"internalType":"contract ArbitrumL1InboxLike","name":"_l1ArbitrumInbox","type":"address"},{"internalType":"contract ArbitrumL1ERC20GatewayLike","name":"_l1ERC20GatewayRouter","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"bytes","name":"message","type":"bytes"}],"name":"MessageRelayed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"l1Token","type":"address"},{"indexed":false,"internalType":"address","name":"l2Token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"address","name":"to","type":"address"}],"name":"TokensRelayed","type":"event"},{"inputs":[],"name":"RELAY_MESSAGE_L2_GAS_LIMIT","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RELAY_TOKENS_L2_GAS_LIMIT","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"l2GasLimit","type":"uint32"}],"name":"getL1CallValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"l1ERC20GatewayRouter","outputs":[{"internalType":"contract ArbitrumL1ERC20GatewayLike","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l1Inbox","outputs":[{"internalType":"contract ArbitrumL1InboxLike","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2GasPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2MaxSubmissionCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2RefundL2Address","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes","name":"message","type":"bytes"}],"name":"relayMessage","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"l1Token","type":"address"},{"internalType":"address","name":"l2Token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"relayTokens","outputs":[],"stateMutability":"payable","type":"function"}]

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0000000000000000000000004dbd4fc535ac27206064b68ffcf827b0a60bab3f00000000000000000000000072ce9c846789fdb6fc1f34ac4ad25dd9ef7031ef

-----Decoded View---------------
Arg [0] : _l1ArbitrumInbox (address): 0x4Dbd4fc535Ac27206064B68FfCf827b0A60BAB3f
Arg [1] : _l1ERC20GatewayRouter (address): 0x72Ce9c846789fdB6fC1f34aC4AD25Dd9ef7031ef

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000004dbd4fc535ac27206064b68ffcf827b0a60bab3f
Arg [1] : 00000000000000000000000072ce9c846789fdb6fc1f34ac4ad25dd9ef7031ef