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// SPDX-License-Identifier: Apache-2.0
pragma solidity 0.8.21;

import {FixedPointMathLib} from "@solmate/utils/FixedPointMathLib.sol";
import {SafeTransferLib} from "@solmate/utils/SafeTransferLib.sol";
import {ERC20} from "@solmate/tokens/ERC20.sol";
import {ReentrancyGuard} from "@solmate/utils/ReentrancyGuard.sol";
import {IAtomicSolver} from "./IAtomicSolver.sol";
import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import {Auth, Authority} from "@solmate/auth/Auth.sol";
import {TellerWithMultiAssetSupport} from "src/base/Roles/TellerWithMultiAssetSupport.sol";
import {BoringVault} from "src/base/BoringVault.sol";
import {AccountantWithRateProviders} from "src/base/Roles/AccountantWithRateProviders.sol";
/**
 * @notice Stores request information needed to fulfill a users atomic request.
 * @param deadline unix timestamp for when request is no longer valid
 * @param creationTime timestamp when request was created
 * @param offerAmount the amount of `offer` asset the user wants converted to `want` asset
 * @param user The address of the user making the request
 * @param offer The address of the offer token
 * @param want The address of the want token
 */
struct AtomicRequest {
    uint64 deadline; // deadline to fulfill request
    uint64 creationTime; // timestamp when request was created
    uint96 offerAmount; // The amount of offer asset the user wants to sell.
    address user; // The address of the user making the request
    address offer; // The address of the offer token
    address want; // The address of the want token
}

contract AtomicQueue is ReentrancyGuard, Auth {
    using EnumerableSet for EnumerableSet.Bytes32Set;
    using SafeTransferLib for ERC20;
    using FixedPointMathLib for uint256;

    // ========================================= GLOBAL STATE =========================================
    /**
     * @notice The set of request Ids currently in the queue.
     * @dev Requests are removed when solve or cancel is called.
     */
    EnumerableSet.Bytes32Set internal _existingWithdrawRequests;

    /**
     * @notice The maturity time of the atomic request.
     */
    uint256 public maturityTime = 1 days;

    /**
     * @notice Mapping of request Ids to AtomicRequests.
     * @dev Requests won't be removed when solve or cancel is called.
     */
    mapping(bytes32 => AtomicRequest) internal onChainWithdraws;

    /**
     * @notice This mapping tracks the total amount of 'offer' tokens in progress for withdrawal requests per want token.
     * @dev It is incremented when a new request is submitted and decremented when the request is fulfilled or cancelled.
     */
    mapping(address => mapping(address => uint256)) public withdrawInProgressAmount;

    /**
     * @notice Mapping to track whitelisted addresses, which can be solved quickly.
     */
    mapping(address => bool) public whitelist;

    /**
     * @notice The accountant contract to use for withdrawal
     */
    AccountantWithRateProviders public immutable accountant;

    /**
     * @notice The divisor used to reduce maturity time for whitelisted users.
     */
    uint256 public whitelistMaturityDivisor = 10;

    /**
     * @notice The discount(redemption fee) in parts-per-million (0.05% => 500)
     */
    uint256 public discount = 500; // 0.05% (ppm)

    /**
     * @notice Denominator for discount calculations (parts-per-million)
     */
    uint256 private constant DISCOUNT_DENOMINATOR = 1e6;

    //============================== ERRORS ===============================

    error AtomicQueue__BadWhitelistDivisor();
    error AtomicQueue__BadDiscount();
    error AtomicQueue__RemovedRequest();
    error AtomicQueue__DuplicateRequest();
    error AtomicQueue__OfferAmountIsZero();
    error AtomicQueue__UserAddressIsZero();
    error AtomicQueue__OfferAddressIsZero();
    error AtomicQueue__WantAddressIsZero();
    error AtomicQueue__InsufficientBalance();
    error AtomicQueue__DeadlineExpired();
    error AtomicQueue__RequestAccountantOfferMismatch(address offer, address vault);
    error AtomicQueue__BadUser();
    error AtomicQueue__BoringVaultTellerMismatch(address vault, address teller);
    error AtomicQueue__ZeroOfferAmount(address user);
    error AtomicQueue__InsufficientVaultLiquidity(uint256 required, uint256 available);
    error AtomicQueue__RequestNotMature(address user);
    error AtomicQueue__MinimumAssetsNotMet();
    error AtomicQueue__InstantWithdrawShortfall(uint256 expected, uint256 actual);
    error AtomicQueue__InsufficientBalanceInUserWallet(address user, uint256 required, uint256 available);
    error AtomicQueue__UnauthorizedSolver(address caller);
    //============================== EVENTS ===============================
    /**
     * @notice Emitted when `setMaturityTime` is called.
     */
    event MaturityTimeUpdated(uint256 oldMaturityTime, uint256 newMaturityTime);

    /**
     * @notice Emitted when `updateAtomicRequest` is called.
     */
    event AtomicRequestUpdated(
        bytes32 indexed requestId,
        address indexed user,
        address offerToken,
        address indexed wantToken,
        uint256 amount,
        uint256 deadline,
        uint256 timestamp
    );

    /**
     * @notice Emitted when `solve` exchanges a users offer asset for their want asset.
     */
    event AtomicRequestFulfilled(
        bytes32 indexed requestId,
        address indexed user,
        address offerToken,
        address indexed wantToken,
        uint256 offerAmountSpent,
        uint256 wantAmountReceived,
        uint256 timestamp
    );

    /**
     * @notice Emitted when `cancelAtomicRequest` is called.
     */
    event AtomicRequestCancelled(
        bytes32 indexed requestId,
        address indexed user,
        address offerToken,
        address indexed wantToken,
        uint256 amount,
        uint256 deadline,
        uint256 timestamp
    );

    /**
     * @notice Emitted when `instantWithdraw` is called.
     */
    event InstantWithdraw(
        address indexed user,
        address indexed offerToken,
        address indexed wantToken,
        uint256 offerAmount,
        uint256 wantAmount,
        uint256 timestamp
    );

    /**
     * @notice Emitted when `addToWhitelist` is called.
     */
    event WhitelistAdded(address indexed user);

    /**
     * @notice Emitted when `removeFromWhitelist` is called.
     */
    event WhitelistRemoved(address indexed user);

    /**
     * @notice Emitted when `updateWhitelistMaturityDivisor` is called.
     */
    event WhitelistMaturityDivisorUpdated(uint256 newDivisor);

    /**
     * @notice Emitted when `setDiscount` is called.
     */
    event DiscountUpdated(uint256 newDiscount);

    /**
     * @notice Emitted when `setSolver` is called.
     */
    event SolverUpdated(address newSolver);

    //============================== VARIABLES ===============================
    /**
     * @notice The solver contract to use for solving
     */
    IAtomicSolver public solver;

    /**
     * @notice Constructor
     * @param _owner The owner of the contract
     * @param _authority The authority of the contract
     * @param _accountant The accountant contract to use for withdrawal
     * @param _solver The solver contract to use for solving
     */
    constructor(address _owner, Authority _authority, address _accountant, address _solver) Auth(_owner, _authority) {
        accountant = AccountantWithRateProviders(_accountant);
        solver = IAtomicSolver(_solver);
    }

    //============================== ADMIN FUNCTIONS ===============================

    /**
     * @notice Allows the owner to update the maturity time
     * @param newMaturityTime The new maturity time in seconds
     */
    function setMaturityTime(uint256 newMaturityTime) external requiresAuth {
        uint256 oldMaturityTime = maturityTime;
        maturityTime = newMaturityTime;
        emit MaturityTimeUpdated(oldMaturityTime, newMaturityTime);
    }

    /**
     * @notice Allows the owner to update the discount
     * @param newDiscount The new discount in parts-per-million (500 = 0.05%)
     */
    function setDiscount(uint256 newDiscount) external requiresAuth {
        if (newDiscount >= DISCOUNT_DENOMINATOR) revert AtomicQueue__BadDiscount();
        discount = newDiscount;
        emit DiscountUpdated(newDiscount);
    }

    /**
     * @notice Add an address to the whitelist.
     * @dev Callable by MULTISIG_ROLE.
     * @param user The address to add to the whitelist.
     */
    function addToWhitelist(address user) external requiresAuth {
        if (user == address(0)) revert AtomicQueue__UserAddressIsZero();
        whitelist[user] = true;
        emit WhitelistAdded(user);
    }

    /**
     * @notice Remove an address from the whitelist.
     * @dev Callable by MULTISIG_ROLE.
     * @param user The address to remove from the whitelist.
     */
    function removeFromWhitelist(address user) external requiresAuth {
        if (user == address(0)) revert AtomicQueue__UserAddressIsZero();
        whitelist[user] = false;
        emit WhitelistRemoved(user);
    }

    /**
     * @notice Update the whitelist maturity divisor.
     * @dev Callable by MULTISIG_ROLE.
     * @param newDivisor The new divisor value.
     */
    function updateWhitelistMaturityDivisor(uint256 newDivisor) external requiresAuth {
        if (newDivisor == 0) revert AtomicQueue__BadWhitelistDivisor();
        whitelistMaturityDivisor = newDivisor;
        emit WhitelistMaturityDivisorUpdated(newDivisor);
    }

    /**
     * @notice Allows the owner to update the solver contract
     * @dev Callable by MULTISIG_ROLE.
     * @param newSolver The new solver contract address.
     */
    function setSolver(address newSolver) external requiresAuth {
        solver = IAtomicSolver(newSolver);
        emit SolverUpdated(newSolver);
    }

    /**
     * @notice Allows the admin to cancel multiple withdraw requests.
     * @dev Callable by MULTISIG_ROLE.
     * @param userRequests The array of user requests to cancel.
     */
    function cancelAtomicRequestByAdmin(AtomicRequest[] calldata userRequests) external requiresAuth {
        for (uint256 i = 0; i < userRequests.length; ++i) {
            AtomicRequest calldata userRequest = userRequests[i];
            bytes32 requestId = keccak256(abi.encode(userRequest));
            if (!_existingWithdrawRequests.contains(requestId)) revert AtomicQueue__RemovedRequest();
            withdrawInProgressAmount[userRequest.offer][userRequest.want] -= userRequest.offerAmount;

            _existingWithdrawRequests.remove(requestId);

            // Transfer offer shares from solver contract to user
            IAtomicSolver(solver).approveOfferForQueue(address(this), userRequest);
            ERC20(userRequest.offer).safeTransferFrom(address(solver), userRequest.user, userRequest.offerAmount);

            emit AtomicRequestCancelled(
                requestId,
                userRequest.user,
                userRequest.offer,
                userRequest.want,
                userRequest.offerAmount,
                userRequest.deadline,
                block.timestamp
            );
        }
    }

    //============================== VIEW FUNCTIONS ===============================
    /**
     * @notice Get the total amount of 'offer' tokens in progress for withdrawal requests for a specific want token.
     * @param offer The address of the offer token.
     * @param want The address of the want token.
     * @return The total amount of 'offer' tokens in progress for withdrawal requests for the specified want token.
     */
    function getTotalWithdrawInProgressAmount(address offer, address want) external view returns (uint256) {
        return withdrawInProgressAmount[offer][want];
    }

    /**
     * @notice Get all existing withdraw request Ids currently in the queue.
     * @dev Includes requests that are not mature, matured, and expired. But does not include requests that have been solved.
     * @return requestIds The request Ids.
     */
    function getExistingWithdrawRequestIds() public view returns (bytes32[] memory) {
        return _existingWithdrawRequests.values();
    }

    /**
     * @notice Get all existing withdraw requests.
     * @dev Includes requests that are not mature, matured, and expired. But does not include requests that have been solved.
     */
    function getExistingWithdrawRequests()
        external
        view
        returns (bytes32[] memory requestIds, AtomicRequest[] memory requests)
    {
        requestIds = getExistingWithdrawRequestIds();
        uint256 requestsLength = requestIds.length;
        requests = new AtomicRequest[](requestsLength);
        for (uint256 i = 0; i < requestsLength; ) {
            requests[i] = onChainWithdraws[requestIds[i]];
            unchecked { ++i; }
        }
    }

    /**
     * @notice Get all existing withdraw requests by user.
     * @dev Includes requests that are not mature, matured, and expired. But does not include requests that have been solved.
     * @param user The address of the user.
     * @return requestIds The request Ids.
     * @return requests The requests.
     */
    function getExistingWithdrawRequestsByUser(address user)
        external
        view
        returns (bytes32[] memory requestIds, AtomicRequest[] memory requests)
    {
        bytes32[] memory allExistingWithdrawRequestIds = getExistingWithdrawRequestIds();
        uint256 allExistingWithdrawRequestsLength = allExistingWithdrawRequestIds.length;

        // First pass: count how many requests belong to this user
        uint256 userRequestCount = 0;
        for (uint256 i = 0; i < allExistingWithdrawRequestsLength; ) {
            if (onChainWithdraws[allExistingWithdrawRequestIds[i]].user == user) {
                userRequestCount++;
            }
            unchecked { ++i; }
        }

        // Initialize arrays with the correct size
        requestIds = new bytes32[](userRequestCount);
        requests = new AtomicRequest[](userRequestCount);

        // Second pass: populate the arrays with user's requests
        uint256 index = 0;
        for (uint256 i = 0; i < allExistingWithdrawRequestsLength; ) {
            bytes32 requestId = allExistingWithdrawRequestIds[i];
            AtomicRequest memory request = onChainWithdraws[requestId];
            if (request.user == user) {
                requestIds[index] = requestId;
                requests[index] = request;
                unchecked { ++index; }
            }
            unchecked { ++i; }
        }
    }

    /**
     * @notice Get a withdraw request by request Id.
     * @dev Does verify nonce is non-zero.
     * @param requestId The request Id.
     * @return request The request.
     */
    function getAtomicRequestById(bytes32 requestId) public view returns (AtomicRequest memory) {
        return onChainWithdraws[requestId];
    }

    /**
     * @notice Preview the amount of want assets that would be received for an atomic request.
     * @dev This is a view function that calculates the expected output without executing the transaction.
     * @param request The atomic request to preview.
     * @return wantAmountReceived The expected amount of want assets to be received.
     */
    function previewReceivedAmount(AtomicRequest calldata request) external view returns (uint256 wantAmountReceived) {
        // Basic validation (similar to checkAtomicRequestValid but without queue existence check)
        if (request.offerAmount == 0) revert AtomicQueue__OfferAmountIsZero();
        if (request.user == address(0)) revert AtomicQueue__UserAddressIsZero();
        if (request.offer == address(0)) revert AtomicQueue__OfferAddressIsZero();
        if (request.want == address(0)) revert AtomicQueue__WantAddressIsZero();
        if (block.timestamp > request.deadline) revert AtomicQueue__DeadlineExpired();

        // Get the offer token decimals
        ERC20 offer = ERC20(request.offer);
        uint8 offerDecimals = offer.decimals();

        // Get the rate and apply discount (same logic as in solve function)
        uint256 safeRate = accountant.getRateInQuoteSafe(ERC20(request.want));
        uint256 safeAtomicPriceWithDiscount = safeRate.mulDivDown(DISCOUNT_DENOMINATOR - discount, DISCOUNT_DENOMINATOR);

        // Calculate the want amount
        wantAmountReceived = _calculateAssetAmount(request.offerAmount, safeAtomicPriceWithDiscount, offerDecimals);
    }

    //============================== HELPER FUNCTIONS ===============================

    /**
     * @notice Helper function that validates a withdraw request.
     * @dev Reverts with specific error if the request is invalid.
     *      It is possible for a withdraw request to pass validation here, but solvers 
     *      may not be able to include the user in `solve` unless some other state is changed.
     * @param userRequest the full request struct to validate (should have correct .offer, .want, .user fields)
     */
    function checkAtomicRequestValid(AtomicRequest calldata userRequest)
        public
        view
    {
        bytes32 requestId = keccak256(abi.encode(userRequest));
        if (!_existingWithdrawRequests.contains(requestId)) revert AtomicQueue__RemovedRequest();

        address requestUser = userRequest.user;
        ERC20 offer = ERC20(userRequest.offer);

        // Validate offerAmount is nonzero.
        if (userRequest.offerAmount == 0) revert AtomicQueue__OfferAmountIsZero();
        // Validate user address is not zero.
        if (requestUser == address(0)) revert AtomicQueue__UserAddressIsZero();
        // Validate offer address is not zero.
        if (address(offer) == address(0)) revert AtomicQueue__OfferAddressIsZero();
        // Validate want address is not zero.
        if (userRequest.want == address(0)) revert AtomicQueue__WantAddressIsZero();

        // Validate deadline.
        if (block.timestamp > userRequest.deadline) revert AtomicQueue__DeadlineExpired();
    }

    //============================== USER FUNCTIONS ===============================

    /**
     * @notice Allows user to add their withdraw request.
     * @dev This function will completely ignore the provided atomic price and calculate a new one based off the
     *      the accountant rate in quote.
     * @param userRequest the users request
     */
    function updateAtomicRequest(AtomicRequest memory userRequest) external nonReentrant returns (bytes32) {
        if (userRequest.offer != address(accountant.vault())) revert AtomicQueue__RequestAccountantOfferMismatch(address(userRequest.offer), address(accountant.vault()));
        if (userRequest.user != msg.sender) revert AtomicQueue__BadUser();

        // try to gate rate from the accountant, should revert if the want token is not supported
        accountant.getRateInQuoteSafe(ERC20(userRequest.want));

        // Normalize creation time to prevent bypassing maturity
        userRequest.creationTime = uint64(block.timestamp);

        // Validate basic fields at submission time
        if (userRequest.offerAmount == 0) revert AtomicQueue__OfferAmountIsZero();
        if (userRequest.offer == address(0)) revert AtomicQueue__OfferAddressIsZero();
        if (userRequest.want == address(0)) revert AtomicQueue__WantAddressIsZero();
        if (userRequest.offerAmount > ERC20(userRequest.offer).balanceOf(userRequest.user)) revert AtomicQueue__InsufficientBalance();
        if (block.timestamp > userRequest.deadline) revert AtomicQueue__DeadlineExpired();

        bytes32 requestId = keccak256(abi.encode(userRequest));
        if (!_existingWithdrawRequests.add(requestId)) revert AtomicQueue__DuplicateRequest();

        onChainWithdraws[requestId] = userRequest;
        withdrawInProgressAmount[userRequest.offer][userRequest.want] += userRequest.offerAmount;

        // Transfer offer shares from user to solver contract
        ERC20(userRequest.offer).safeTransferFrom(userRequest.user, address(solver), userRequest.offerAmount);

        emit AtomicRequestUpdated(
            requestId,
            msg.sender,
            userRequest.offer,
            userRequest.want,
            userRequest.offerAmount,
            userRequest.deadline,
            block.timestamp
        );

        return requestId;
    }

    /**
     * @notice Allows user to cancel their withdraw request.
     * @param userRequest the user's request
     */
    function cancelAtomicRequest(AtomicRequest calldata userRequest) external {
        if (userRequest.user != msg.sender) revert AtomicQueue__BadUser();
        bytes32 requestId = keccak256(abi.encode(userRequest));
        if (!_existingWithdrawRequests.contains(requestId)) revert AtomicQueue__RemovedRequest();
        withdrawInProgressAmount[userRequest.offer][userRequest.want] -= userRequest.offerAmount;

        _existingWithdrawRequests.remove(requestId);

        // Transfer offer shares from solver contract to user
        IAtomicSolver(solver).approveOfferForQueue(address(this), userRequest);
        ERC20(userRequest.offer).safeTransferFrom(address(solver), userRequest.user, userRequest.offerAmount);

        emit AtomicRequestCancelled(
            requestId,
            userRequest.user,
            userRequest.offer,
            userRequest.want,
            userRequest.offerAmount,
            userRequest.deadline,
            block.timestamp
        );
    }

    /**
    * @notice Allows role granted users to instantly withdraw without going through the request queue.
    * @dev Callable by role granted users only.
    * @dev Ensures that the withdrawal amount plus pending queue withdrawals don't exceed vault liquidity.
    * @param offer The vault share token to burn
    * @param want The underlying asset to receive
    * @param offerAmount Amount of shares to withdraw
    * @param minimumAssetsOut Minimum amount of assets expected
    * @param teller The teller contract to use for withdrawal
    */
    function instantWithdraw(
        ERC20 offer,
        ERC20 want,
        uint256 offerAmount,
        uint256 minimumAssetsOut,
        TellerWithMultiAssetSupport teller
    ) external nonReentrant requiresAuth returns (uint256 assetsOut) {
        // Validate inputs
        if (offerAmount == 0) revert AtomicQueue__ZeroOfferAmount(msg.sender);
        
        // Get vault from accountant
        BoringVault vault = accountant.vault();
        if (address(offer) != address(vault)) revert AtomicQueue__RequestAccountantOfferMismatch(address(offer), address(vault));
        if (address(offer) != address(teller.vault())) revert AtomicQueue__BoringVaultTellerMismatch(address(offer), address(teller));
        uint256 ONE_SHARE = 10 ** offer.decimals();
        
        // Calculate assets that will be withdrawn
        assetsOut = offerAmount.mulDivDown(
            accountant.getRateInQuoteSafe(want), 
            ONE_SHARE
        );

        uint256 assetOutWithDiscount = assetsOut.mulDivDown(DISCOUNT_DENOMINATOR - discount, DISCOUNT_DENOMINATOR);
        
        // Calculate assets needed for pending withdrawal requests for this want token
        uint256 pendingWithdrawAssets = withdrawInProgressAmount[address(offer)][address(want)].mulDivDown(
            accountant.getRateInQuoteSafe(want),
            ONE_SHARE
        );
        
        // Check vault has enough liquidity
        uint256 vaultBalance = want.balanceOf(address(vault));
        uint256 totalRequired = assetOutWithDiscount + pendingWithdrawAssets;
        
        if (totalRequired > vaultBalance) {
            revert AtomicQueue__InsufficientVaultLiquidity(totalRequired, vaultBalance);
        }
        
        // Ensure minimum output is met
        if (assetOutWithDiscount < minimumAssetsOut) {
            revert AtomicQueue__MinimumAssetsNotMet();
        }
        
        // Transfer shares from user to this contract
        offer.safeTransferFrom(msg.sender, address(this), offerAmount);
        
        // Execute withdrawal through teller
        assetsOut = teller.bulkWithdraw(want, offerAmount, minimumAssetsOut, address(this));

        if (assetsOut < assetOutWithDiscount) {
            revert AtomicQueue__InstantWithdrawShortfall(assetOutWithDiscount, assetsOut);
        }

        uint256 excessAssets = assetsOut - assetOutWithDiscount;
        if (excessAssets > 0) {
            want.safeTransfer(address(vault), excessAssets);
        }

        want.safeTransfer(msg.sender, assetOutWithDiscount);
        assetsOut = assetOutWithDiscount;

        emit InstantWithdraw(
            msg.sender,
            address(offer),
            address(want),
            offerAmount,
            assetOutWithDiscount,
            block.timestamp
        );
    }

    //============================== SOLVER FUNCTIONS ===============================

    /**
     * @notice Called by solvers in order to exchange offer asset for want asset.
     * @notice Solvers are optimistically transferred the offer asset, then are required to
     *         approve this contract to spend enough of want assets to cover the request.
     * @dev It is very likely `solve` TXs will be front run if broadcasted to public mem pools,
     *      so solvers should use private mem pools.
     * @param runData extra data that is passed back to solver when `finishSolve` is called
     * @param request the atomic request to solve
     */
    function solve(
        bytes calldata runData,
        AtomicRequest calldata request
    ) external nonReentrant {
        ERC20 offer = ERC20(request.offer);
        ERC20 want = ERC20(request.want);
        address user = request.user;
        
        // Save offer asset decimals.
        uint8 offerDecimals = offer.decimals();

        checkAtomicRequestValid(request);

        // Check maturity time
        if (
            block.timestamp
                < request.creationTime
                    + (whitelist[user] ? maturityTime / whitelistMaturityDivisor : maturityTime)
        ) {
            revert AtomicQueue__RequestNotMature(user);
        }

        // Check if the caller is the solver
        if (msg.sender != address(solver)) revert AtomicQueue__UnauthorizedSolver(msg.sender);

        uint256 safeRate = accountant.getRateInQuoteSafe(ERC20(request.want));
        uint256 safeAtomicPriceWithDiscount = safeRate.mulDivDown(DISCOUNT_DENOMINATOR - discount, DISCOUNT_DENOMINATOR);

        // Calculate want assets needed
        uint256 assetsForWant = _calculateAssetAmount(request.offerAmount, safeAtomicPriceWithDiscount, offerDecimals);

        // // Transfer offer shares from user to solver contract
        // offer.safeTransferFrom(user, solver, request.offerAmount);

        // Call solver contract to finish the solve
        IAtomicSolver(solver).finishSolve(runData, msg.sender, offer, want, request.offerAmount, assetsForWant, address(accountant.vault()));

        // Transfer want assets from solver contract to user
        want.safeTransferFrom(address(solver), user, assetsForWant);

        // Decrease the withdraw in progress amount
        withdrawInProgressAmount[address(offer)][address(want)] -= request.offerAmount;

        bytes32 requestId = keccak256(abi.encode(request));
        // Emit event
        emit AtomicRequestFulfilled(
            requestId, user, address(offer), address(want), request.offerAmount, assetsForWant, block.timestamp
        );

        // Remove request from queue
        _existingWithdrawRequests.remove(requestId);
    }

    //============================== INTERNAL FUNCTIONS ===============================

    /**
     * @notice Helper function to calculate the amount of want assets a users wants in exchange for
     *         `offerAmount` of offer asset.
     */
    function _calculateAssetAmount(uint256 offerAmount, uint256 atomicPrice, uint8 offerDecimals)
        internal
        pure
        returns (uint256)
    {
        return atomicPrice.mulDivDown(offerAmount, 10 ** offerDecimals);
    }
}

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

/// @notice Arithmetic library with operations for fixed-point numbers.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/FixedPointMathLib.sol)
/// @author Inspired by USM (https://github.com/usmfum/USM/blob/master/contracts/WadMath.sol)
library FixedPointMathLib {
    /*//////////////////////////////////////////////////////////////
                    SIMPLIFIED FIXED POINT OPERATIONS
    //////////////////////////////////////////////////////////////*/

    uint256 internal constant MAX_UINT256 = 2**256 - 1;

    uint256 internal constant WAD = 1e18; // The scalar of ETH and most ERC20s.

    function mulWadDown(uint256 x, uint256 y) internal pure returns (uint256) {
        return mulDivDown(x, y, WAD); // Equivalent to (x * y) / WAD rounded down.
    }

    function mulWadUp(uint256 x, uint256 y) internal pure returns (uint256) {
        return mulDivUp(x, y, WAD); // Equivalent to (x * y) / WAD rounded up.
    }

    function divWadDown(uint256 x, uint256 y) internal pure returns (uint256) {
        return mulDivDown(x, WAD, y); // Equivalent to (x * WAD) / y rounded down.
    }

    function divWadUp(uint256 x, uint256 y) internal pure returns (uint256) {
        return mulDivUp(x, WAD, y); // Equivalent to (x * WAD) / y rounded up.
    }

    /*//////////////////////////////////////////////////////////////
                    LOW LEVEL FIXED POINT OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function mulDivDown(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            // Equivalent to require(denominator != 0 && (y == 0 || x <= type(uint256).max / y))
            if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {
                revert(0, 0)
            }

            // Divide x * y by the denominator.
            z := div(mul(x, y), denominator)
        }
    }

    function mulDivUp(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            // Equivalent to require(denominator != 0 && (y == 0 || x <= type(uint256).max / y))
            if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {
                revert(0, 0)
            }

            // If x * y modulo the denominator is strictly greater than 0,
            // 1 is added to round up the division of x * y by the denominator.
            z := add(gt(mod(mul(x, y), denominator), 0), div(mul(x, y), denominator))
        }
    }

    function rpow(
        uint256 x,
        uint256 n,
        uint256 scalar
    ) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            switch x
            case 0 {
                switch n
                case 0 {
                    // 0 ** 0 = 1
                    z := scalar
                }
                default {
                    // 0 ** n = 0
                    z := 0
                }
            }
            default {
                switch mod(n, 2)
                case 0 {
                    // If n is even, store scalar in z for now.
                    z := scalar
                }
                default {
                    // If n is odd, store x in z for now.
                    z := x
                }

                // Shifting right by 1 is like dividing by 2.
                let half := shr(1, scalar)

                for {
                    // Shift n right by 1 before looping to halve it.
                    n := shr(1, n)
                } n {
                    // Shift n right by 1 each iteration to halve it.
                    n := shr(1, n)
                } {
                    // Revert immediately if x ** 2 would overflow.
                    // Equivalent to iszero(eq(div(xx, x), x)) here.
                    if shr(128, x) {
                        revert(0, 0)
                    }

                    // Store x squared.
                    let xx := mul(x, x)

                    // Round to the nearest number.
                    let xxRound := add(xx, half)

                    // Revert if xx + half overflowed.
                    if lt(xxRound, xx) {
                        revert(0, 0)
                    }

                    // Set x to scaled xxRound.
                    x := div(xxRound, scalar)

                    // If n is even:
                    if mod(n, 2) {
                        // Compute z * x.
                        let zx := mul(z, x)

                        // If z * x overflowed:
                        if iszero(eq(div(zx, x), z)) {
                            // Revert if x is non-zero.
                            if iszero(iszero(x)) {
                                revert(0, 0)
                            }
                        }

                        // Round to the nearest number.
                        let zxRound := add(zx, half)

                        // Revert if zx + half overflowed.
                        if lt(zxRound, zx) {
                            revert(0, 0)
                        }

                        // Return properly scaled zxRound.
                        z := div(zxRound, scalar)
                    }
                }
            }
        }
    }

    /*//////////////////////////////////////////////////////////////
                        GENERAL NUMBER UTILITIES
    //////////////////////////////////////////////////////////////*/

    function sqrt(uint256 x) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            let y := x // We start y at x, which will help us make our initial estimate.

            z := 181 // The "correct" value is 1, but this saves a multiplication later.

            // This segment is to get a reasonable initial estimate for the Babylonian method. With a bad
            // start, the correct # of bits increases ~linearly each iteration instead of ~quadratically.

            // We check y >= 2^(k + 8) but shift right by k bits
            // each branch to ensure that if x >= 256, then y >= 256.
            if iszero(lt(y, 0x10000000000000000000000000000000000)) {
                y := shr(128, y)
                z := shl(64, z)
            }
            if iszero(lt(y, 0x1000000000000000000)) {
                y := shr(64, y)
                z := shl(32, z)
            }
            if iszero(lt(y, 0x10000000000)) {
                y := shr(32, y)
                z := shl(16, z)
            }
            if iszero(lt(y, 0x1000000)) {
                y := shr(16, y)
                z := shl(8, z)
            }

            // Goal was to get z*z*y within a small factor of x. More iterations could
            // get y in a tighter range. Currently, we will have y in [256, 256*2^16).
            // We ensured y >= 256 so that the relative difference between y and y+1 is small.
            // That's not possible if x < 256 but we can just verify those cases exhaustively.

            // Now, z*z*y <= x < z*z*(y+1), and y <= 2^(16+8), and either y >= 256, or x < 256.
            // Correctness can be checked exhaustively for x < 256, so we assume y >= 256.
            // Then z*sqrt(y) is within sqrt(257)/sqrt(256) of sqrt(x), or about 20bps.

            // For s in the range [1/256, 256], the estimate f(s) = (181/1024) * (s+1) is in the range
            // (1/2.84 * sqrt(s), 2.84 * sqrt(s)), with largest error when s = 1 and when s = 256 or 1/256.

            // Since y is in [256, 256*2^16), let a = y/65536, so that a is in [1/256, 256). Then we can estimate
            // sqrt(y) using sqrt(65536) * 181/1024 * (a + 1) = 181/4 * (y + 65536)/65536 = 181 * (y + 65536)/2^18.

            // There is no overflow risk here since y < 2^136 after the first branch above.
            z := shr(18, mul(z, add(y, 65536))) // A mul() is saved from starting z at 181.

            // Given the worst case multiplicative error of 2.84 above, 7 iterations should be enough.
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))

            // If x+1 is a perfect square, the Babylonian method cycles between
            // floor(sqrt(x)) and ceil(sqrt(x)). This statement ensures we return floor.
            // See: https://en.wikipedia.org/wiki/Integer_square_root#Using_only_integer_division
            // Since the ceil is rare, we save gas on the assignment and repeat division in the rare case.
            // If you don't care whether the floor or ceil square root is returned, you can remove this statement.
            z := sub(z, lt(div(x, z), z))
        }
    }

    function unsafeMod(uint256 x, uint256 y) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            // Mod x by y. Note this will return
            // 0 instead of reverting if y is zero.
            z := mod(x, y)
        }
    }

    function unsafeDiv(uint256 x, uint256 y) internal pure returns (uint256 r) {
        /// @solidity memory-safe-assembly
        assembly {
            // Divide x by y. Note this will return
            // 0 instead of reverting if y is zero.
            r := div(x, y)
        }
    }

    function unsafeDivUp(uint256 x, uint256 y) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            // Add 1 to x * y if x % y > 0. Note this will
            // return 0 instead of reverting if y is zero.
            z := add(gt(mod(x, y), 0), div(x, y))
        }
    }
}

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

import {ERC20} from "../tokens/ERC20.sol";

/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)
/// @dev Use with caution! Some functions in this library knowingly create dirty bits at the destination of the free memory pointer.
/// @dev Note that none of the functions in this library check that a token has code at all! That responsibility is delegated to the caller.
library SafeTransferLib {
    /*//////////////////////////////////////////////////////////////
                             ETH OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferETH(address to, uint256 amount) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Transfer the ETH and store if it succeeded or not.
            success := call(gas(), to, amount, 0, 0, 0, 0)
        }

        require(success, "ETH_TRANSFER_FAILED");
    }

    /*//////////////////////////////////////////////////////////////
                            ERC20 OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferFrom(
        ERC20 token,
        address from,
        address to,
        uint256 amount
    ) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0x23b872dd00000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), and(from, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "from" argument.
            mstore(add(freeMemoryPointer, 36), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 68), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 100 because the length of our calldata totals up like so: 4 + 32 * 3.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 100, 0, 32)
            )
        }

        require(success, "TRANSFER_FROM_FAILED");
    }

    function safeTransfer(
        ERC20 token,
        address to,
        uint256 amount
    ) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0xa9059cbb00000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
            )
        }

        require(success, "TRANSFER_FAILED");
    }

    function safeApprove(
        ERC20 token,
        address to,
        uint256 amount
    ) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0x095ea7b300000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
            )
        }

        require(success, "APPROVE_FAILED");
    }
}

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

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event Transfer(address indexed from, address indexed to, uint256 amount);

    event Approval(address indexed owner, address indexed spender, uint256 amount);

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;

    mapping(address => mapping(address => uint256)) public allowance;

    /*//////////////////////////////////////////////////////////////
                            EIP-2612 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 internal immutable INITIAL_CHAIN_ID;

    bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;

    mapping(address => uint256) public nonces;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;

        INITIAL_CHAIN_ID = block.chainid;
        INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

    function approve(address spender, uint256 amount) public virtual returns (bool) {
        allowance[msg.sender][spender] = amount;

        emit Approval(msg.sender, spender, amount);

        return true;
    }

    function transfer(address to, uint256 amount) public virtual returns (bool) {
        balanceOf[msg.sender] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(msg.sender, to, amount);

        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.

        if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;

        balanceOf[from] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(from, to, amount);

        return true;
    }

    /*//////////////////////////////////////////////////////////////
                             EIP-2612 LOGIC
    //////////////////////////////////////////////////////////////*/

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");

        // Unchecked because the only math done is incrementing
        // the owner's nonce which cannot realistically overflow.
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
                                ),
                                owner,
                                spender,
                                value,
                                nonces[owner]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );

            require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");

            allowance[recoveredAddress][spender] = value;
        }

        emit Approval(owner, spender, value);
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
    }

    function computeDomainSeparator() internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                    keccak256(bytes(name)),
                    keccak256("1"),
                    block.chainid,
                    address(this)
                )
            );
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        totalSupply += amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        balanceOf[from] -= amount;

        // Cannot underflow because a user's balance
        // will never be larger than the total supply.
        unchecked {
            totalSupply -= amount;
        }

        emit Transfer(from, address(0), amount);
    }
}

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

/// @notice Gas optimized reentrancy protection for smart contracts.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/ReentrancyGuard.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/security/ReentrancyGuard.sol)
abstract contract ReentrancyGuard {
    uint256 private locked = 1;

    modifier nonReentrant() virtual {
        require(locked == 1, "REENTRANCY");

        locked = 2;

        _;

        locked = 1;
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.8.0;

import { ERC20 } from "@solmate/tokens/ERC20.sol";
import { AtomicRequest, AtomicQueue } from "./AtomicQueue.sol";

interface IAtomicSolver {
    /**
     * @notice This function must be implemented in order for an address to be a `solver`
     *         for the AtomicQueue
     * @param runData arbitrary bytes data that is dependent on how each solver is setup
     *        it could contain swap data, or flash loan data, etc..
     * @param initiator the address that initiated a solve
     * @param offer the ERC20 asset sent to the solver
     * @param want the ERC20 asset the solver must approve the queue for
     * @param assetsToOffer the amount of `offer` sent to the solver
     * @param assetsForWant the amount of `want` the solver must approve the queue for
     * @param vault the address of the vault
     */
    function finishSolve(
        bytes calldata runData,
        address initiator,
        ERC20 offer,
        ERC20 want,
        uint256 assetsToOffer,
        uint256 assetsForWant,
        address vault
    ) external;

    /**
     * @notice Approve the offer for the queue to spend
     * @param queue the address of the queue
     * @param request the atomic request to approve
     */
    function approveOfferForQueue(
        address queue,
        AtomicRequest calldata request
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

pragma solidity ^0.8.20;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```solidity
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableSet.
 * ====
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position is the index of the value in the `values` array plus 1.
        // Position 0 is used to mean a value is not in the set.
        mapping(bytes32 value => uint256) _positions;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._positions[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We cache the value's position to prevent multiple reads from the same storage slot
        uint256 position = set._positions[value];

        if (position != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 valueIndex = position - 1;
            uint256 lastIndex = set._values.length - 1;

            if (valueIndex != lastIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the lastValue to the index where the value to delete is
                set._values[valueIndex] = lastValue;
                // Update the tracked position of the lastValue (that was just moved)
                set._positions[lastValue] = position;
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the tracked position for the deleted slot
            delete set._positions[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._positions[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

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

/// @notice Provides a flexible and updatable auth pattern which is completely separate from application logic.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/auth/Auth.sol)
/// @author Modified from Dappsys (https://github.com/dapphub/ds-auth/blob/master/src/auth.sol)
abstract contract Auth {
    event OwnershipTransferred(address indexed user, address indexed newOwner);

    event AuthorityUpdated(address indexed user, Authority indexed newAuthority);

    address public owner;

    Authority public authority;

    constructor(address _owner, Authority _authority) {
        owner = _owner;
        authority = _authority;

        emit OwnershipTransferred(msg.sender, _owner);
        emit AuthorityUpdated(msg.sender, _authority);
    }

    modifier requiresAuth() virtual {
        require(isAuthorized(msg.sender, msg.sig), "UNAUTHORIZED");

        _;
    }

    function isAuthorized(address user, bytes4 functionSig) internal view virtual returns (bool) {
        Authority auth = authority; // Memoizing authority saves us a warm SLOAD, around 100 gas.

        // Checking if the caller is the owner only after calling the authority saves gas in most cases, but be
        // aware that this makes protected functions uncallable even to the owner if the authority is out of order.
        return (address(auth) != address(0) && auth.canCall(user, address(this), functionSig)) || user == owner;
    }

    function setAuthority(Authority newAuthority) public virtual {
        // We check if the caller is the owner first because we want to ensure they can
        // always swap out the authority even if it's reverting or using up a lot of gas.
        require(msg.sender == owner || authority.canCall(msg.sender, address(this), msg.sig));

        authority = newAuthority;

        emit AuthorityUpdated(msg.sender, newAuthority);
    }

    function transferOwnership(address newOwner) public virtual requiresAuth {
        owner = newOwner;

        emit OwnershipTransferred(msg.sender, newOwner);
    }
}

/// @notice A generic interface for a contract which provides authorization data to an Auth instance.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/auth/Auth.sol)
/// @author Modified from Dappsys (https://github.com/dapphub/ds-auth/blob/master/src/auth.sol)
interface Authority {
    function canCall(
        address user,
        address target,
        bytes4 functionSig
    ) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;

import {ERC20} from "@solmate/tokens/ERC20.sol";
import {WETH} from "@solmate/tokens/WETH.sol";
import {BoringVault} from "src/base/BoringVault.sol";
import {AccountantWithRateProviders} from "src/base/Roles/AccountantWithRateProviders.sol";
import {FixedPointMathLib} from "@solmate/utils/FixedPointMathLib.sol";
import {SafeTransferLib} from "@solmate/utils/SafeTransferLib.sol";
import {BeforeTransferHook} from "src/interfaces/BeforeTransferHook.sol";
import {Auth, Authority} from "@solmate/auth/Auth.sol";
import {ReentrancyGuard} from "@solmate/utils/ReentrancyGuard.sol";

contract TellerWithMultiAssetSupport is Auth, BeforeTransferHook, ReentrancyGuard {
    using FixedPointMathLib for uint256;
    using SafeTransferLib for ERC20;
    using SafeTransferLib for WETH;

    // ========================================= CONSTANTS =========================================

    /**
     * @notice Native address used to tell the contract to handle native asset deposits.
     */
    address internal constant NATIVE = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

    /**
     * @notice The maximum possible share lock period.
     */
    uint256 internal constant MAX_SHARE_LOCK_PERIOD = 3 days;

    // ========================================= STATE =========================================

    /**
     * @notice Mapping ERC20s to an isSupported bool.
     */
    mapping(ERC20 => bool) public isSupported;

    /**
     * @notice The deposit nonce used to map to a deposit hash.
     */
    uint96 public depositNonce = 1;

    /**
     * @notice After deposits, shares are locked to the msg.sender's address
     *         for `shareLockPeriod`.
     * @dev During this time all trasnfers from msg.sender will revert, and
     *      deposits are refundable.
     */
    uint64 public shareLockPeriod;

    /**
     * @notice Used to pause calls to `deposit` and `depositWithPermit`.
     */
    bool public isPaused;

    /**
     * @dev Maps deposit nonce to keccak256(address receiver, address depositAsset, uint256 depositAmount, uint256 shareAmount, uint256 timestamp, uint256 shareLockPeriod).
     */
    mapping(uint256 => bytes32) public publicDepositHistory;

    /**
     * @notice Maps user address to the time their shares will be unlocked.
     */
    mapping(address => uint256) public shareUnlockTime;

    //============================== ERRORS ===============================

    error TellerWithMultiAssetSupport__ShareLockPeriodTooLong();
    error TellerWithMultiAssetSupport__SharesAreLocked();
    error TellerWithMultiAssetSupport__SharesAreUnLocked();
    error TellerWithMultiAssetSupport__BadDepositHash();
    error TellerWithMultiAssetSupport__AssetNotSupported();
    error TellerWithMultiAssetSupport__ZeroAssets();
    error TellerWithMultiAssetSupport__MinimumMintNotMet();
    error TellerWithMultiAssetSupport__MinimumAssetsNotMet();
    error TellerWithMultiAssetSupport__PermitFailedAndAllowanceTooLow();
    error TellerWithMultiAssetSupport__ZeroShares();
    error TellerWithMultiAssetSupport__DualDeposit();
    error TellerWithMultiAssetSupport__Paused();

    //============================== EVENTS ===============================

    event Paused();
    event Unpaused();
    event AssetAdded(address indexed asset);
    event AssetRemoved(address indexed asset);
    event Deposit(
        uint256 indexed nonce,
        address indexed receiver,
        address indexed depositAsset,
        uint256 depositAmount,
        uint256 shareAmount,
        uint256 depositTimestamp,
        uint256 shareLockPeriodAtTimeOfDeposit
    );
    event BulkDeposit(address indexed asset, uint256 depositAmount);
    event BulkWithdraw(address indexed asset, uint256 shareAmount);
    event DepositRefunded(uint256 indexed nonce, bytes32 depositHash, address indexed user);

    //============================== IMMUTABLES ===============================

    /**
     * @notice The BoringVault this contract is working with.
     */
    BoringVault public immutable vault;

    /**
     * @notice The AccountantWithRateProviders this contract is working with.
     */
    AccountantWithRateProviders public immutable accountant;

    /**
     * @notice One share of the BoringVault.
     */
    uint256 internal immutable ONE_SHARE;

    /**
     * @notice The native wrapper contract.
     */
    WETH public immutable nativeWrapper;

    constructor(address _owner, address _vault, address _accountant, address _weth)
        Auth(_owner, Authority(address(0)))
    {
        vault = BoringVault(payable(_vault));
        ONE_SHARE = 10 ** vault.decimals();
        accountant = AccountantWithRateProviders(_accountant);
        nativeWrapper = WETH(payable(_weth));
    }

    // ========================================= ADMIN FUNCTIONS =========================================

    /**
     * @notice Pause this contract, which prevents future calls to `deposit` and `depositWithPermit`.
     * @dev Callable by MULTISIG_ROLE.
     */
    function pause() external requiresAuth {
        isPaused = true;
        emit Paused();
    }

    /**
     * @notice Unpause this contract, which allows future calls to `deposit` and `depositWithPermit`.
     * @dev Callable by MULTISIG_ROLE.
     */
    function unpause() external requiresAuth {
        isPaused = false;
        emit Unpaused();
    }

    /**
     * @notice Adds this asset as a deposit asset.
     * @dev The accountant must also support pricing this asset, else the `deposit` call will revert.
     * @dev Callable by OWNER_ROLE.
     */
    function addAsset(ERC20 asset) external requiresAuth {
        isSupported[asset] = true;
        emit AssetAdded(address(asset));
    }

    /**
     * @notice Removes this asset as a deposit asset.
     * @dev Callable by OWNER_ROLE.
     */
    function removeAsset(ERC20 asset) external requiresAuth {
        isSupported[asset] = false;
        emit AssetRemoved(address(asset));
    }

    /**
     * @notice Sets the share lock period.
     * @dev This not only locks shares to the user address, but also serves as the pending deposit period, where deposits can be reverted.
     * @dev If a new shorter share lock period is set, users with pending share locks could make a new deposit to receive 1 wei shares,
     *      and have their shares unlock sooner than their original deposit allows. This state would allow for the user deposit to be refunded,
     *      but only if they have not transferred their shares out of there wallet. This is an accepted limitation, and should be known when decreasing
     *      the share lock period.
     * @dev Callable by OWNER_ROLE.
     */
    function setShareLockPeriod(uint64 _shareLockPeriod) external requiresAuth {
        if (_shareLockPeriod > MAX_SHARE_LOCK_PERIOD) revert TellerWithMultiAssetSupport__ShareLockPeriodTooLong();
        shareLockPeriod = _shareLockPeriod;
    }

    // ========================================= BeforeTransferHook FUNCTIONS =========================================

    /**
     * @notice Implement beforeTransfer hook to check if shares are locked.
     */
    function beforeTransfer(address from, address, address) public view virtual {
        if (shareUnlockTime[from] > block.timestamp) revert TellerWithMultiAssetSupport__SharesAreLocked();
    }

    // ========================================= REVERT DEPOSIT FUNCTIONS =========================================

    /**
     * @notice Allows DEPOSIT_REFUNDER_ROLE to revert a pending deposit.
     * @dev Once a deposit share lock period has passed, it can no longer be reverted.
     * @dev It is possible the admin does not setup the BoringVault to call the transfer hook,
     *      but this contract can still be saving share lock state. In the event this happens
     *      deposits are still refundable if the user has not transferred their shares.
     *      But there is no guarantee that the user has not transferred their shares.
     * @dev Callable by STRATEGIST_MULTISIG_ROLE.
     */
    function refundDeposit(
        uint256 nonce,
        address receiver,
        address depositAsset,
        uint256 depositAmount,
        uint256 shareAmount,
        uint256 depositTimestamp,
        uint256 shareLockUpPeriodAtTimeOfDeposit
    ) external requiresAuth {
        if ((block.timestamp - depositTimestamp) > shareLockUpPeriodAtTimeOfDeposit) {
            // Shares are already unlocked, so we can not revert deposit.
            revert TellerWithMultiAssetSupport__SharesAreUnLocked();
        }
        bytes32 depositHash = keccak256(
            abi.encode(
                receiver, depositAsset, depositAmount, shareAmount, depositTimestamp, shareLockUpPeriodAtTimeOfDeposit
            )
        );
        if (publicDepositHistory[nonce] != depositHash) revert TellerWithMultiAssetSupport__BadDepositHash();

        // Delete hash to prevent refund gas.
        delete publicDepositHistory[nonce];

        // If deposit used native asset, send user back wrapped native asset.
        depositAsset = depositAsset == NATIVE ? address(nativeWrapper) : depositAsset;
        // Burn shares and refund assets to receiver.
        vault.exit(receiver, ERC20(depositAsset), depositAmount, receiver, shareAmount);

        emit DepositRefunded(nonce, depositHash, receiver);
    }

    // ========================================= USER FUNCTIONS =========================================

    /**
     * @notice Allows users to deposit into the BoringVault, if this contract is not paused.
     * @dev Publicly callable.
     */
    function deposit(ERC20 depositAsset, uint256 depositAmount, uint256 minimumMint)
        external
        payable
        requiresAuth
        nonReentrant
        returns (uint256 shares)
    {
        if (isPaused) revert TellerWithMultiAssetSupport__Paused();
        if (!isSupported[depositAsset]) revert TellerWithMultiAssetSupport__AssetNotSupported();

        if (address(depositAsset) == NATIVE) {
            if (msg.value == 0) revert TellerWithMultiAssetSupport__ZeroAssets();
            nativeWrapper.deposit{value: msg.value}();
            depositAmount = msg.value;
            shares = depositAmount.mulDivDown(ONE_SHARE, accountant.getRateInQuoteSafe(nativeWrapper));
            if (shares < minimumMint) revert TellerWithMultiAssetSupport__MinimumMintNotMet();
            // `from` is address(this) since user already sent value.
            nativeWrapper.safeApprove(address(vault), depositAmount);
            vault.enter(address(this), nativeWrapper, depositAmount, msg.sender, shares);
        } else {
            if (msg.value > 0) revert TellerWithMultiAssetSupport__DualDeposit();
            shares = _erc20Deposit(depositAsset, depositAmount, minimumMint, msg.sender);
        }

        _afterPublicDeposit(msg.sender, depositAsset, depositAmount, shares, shareLockPeriod);
    }

    /**
     * @notice Allows users to deposit into BoringVault using permit.
     * @dev Publicly callable.
     */
    function depositWithPermit(
        ERC20 depositAsset,
        uint256 depositAmount,
        uint256 minimumMint,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external requiresAuth nonReentrant returns (uint256 shares) {
        if (isPaused) revert TellerWithMultiAssetSupport__Paused();
        if (!isSupported[depositAsset]) revert TellerWithMultiAssetSupport__AssetNotSupported();

        try depositAsset.permit(msg.sender, address(vault), depositAmount, deadline, v, r, s) {}
        catch {
            if (depositAsset.allowance(msg.sender, address(vault)) < depositAmount) {
                revert TellerWithMultiAssetSupport__PermitFailedAndAllowanceTooLow();
            }
        }
        shares = _erc20Deposit(depositAsset, depositAmount, minimumMint, msg.sender);

        _afterPublicDeposit(msg.sender, depositAsset, depositAmount, shares, shareLockPeriod);
    }

    /**
     * @notice Allows on ramp role to deposit into this contract.
     * @dev Does NOT support native deposits.
     * @dev Callable by SOLVER_ROLE.
     */
    function bulkDeposit(ERC20 depositAsset, uint256 depositAmount, uint256 minimumMint, address to)
        external
        requiresAuth
        nonReentrant
        returns (uint256 shares)
    {
        if (!isSupported[depositAsset]) revert TellerWithMultiAssetSupport__AssetNotSupported();

        shares = _erc20Deposit(depositAsset, depositAmount, minimumMint, to);
        emit BulkDeposit(address(depositAsset), depositAmount);
    }

    /**
     * @notice Allows off ramp role to withdraw from this contract.
     * @dev Callable by SOLVER_ROLE.
     */
    function bulkWithdraw(ERC20 withdrawAsset, uint256 shareAmount, uint256 minimumAssets, address to)
        external
        requiresAuth
        returns (uint256 assetsOut)
    {
        if (!isSupported[withdrawAsset]) revert TellerWithMultiAssetSupport__AssetNotSupported();

        if (shareAmount == 0) revert TellerWithMultiAssetSupport__ZeroShares();
        assetsOut = shareAmount.mulDivDown(accountant.getRateInQuoteSafe(withdrawAsset), ONE_SHARE);
        if (assetsOut < minimumAssets) revert TellerWithMultiAssetSupport__MinimumAssetsNotMet();
        vault.exit(to, withdrawAsset, assetsOut, msg.sender, shareAmount);
        emit BulkWithdraw(address(withdrawAsset), shareAmount);
    }

    // ========================================= INTERNAL HELPER FUNCTIONS =========================================

    /**
     * @notice Implements a common ERC20 deposit into BoringVault.
     */
    function _erc20Deposit(ERC20 depositAsset, uint256 depositAmount, uint256 minimumMint, address to)
        internal
        returns (uint256 shares)
    {
        if (depositAmount == 0) revert TellerWithMultiAssetSupport__ZeroAssets();
        shares = depositAmount.mulDivDown(ONE_SHARE, accountant.getRateInQuoteSafe(depositAsset));
        if (shares < minimumMint) revert TellerWithMultiAssetSupport__MinimumMintNotMet();
        vault.enter(msg.sender, depositAsset, depositAmount, to, shares);
    }

    /**
     * @notice Handle share lock logic, and event.
     */
    function _afterPublicDeposit(
        address user,
        ERC20 depositAsset,
        uint256 depositAmount,
        uint256 shares,
        uint256 currentShareLockPeriod
    ) internal {
        shareUnlockTime[user] = block.timestamp + currentShareLockPeriod;

        uint256 nonce = depositNonce;
        publicDepositHistory[nonce] =
            keccak256(abi.encode(user, depositAsset, depositAmount, shares, block.timestamp, currentShareLockPeriod));
        depositNonce++;
        emit Deposit(nonce, user, address(depositAsset), depositAmount, shares, block.timestamp, currentShareLockPeriod);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;

import {Address} from "@openzeppelin/contracts/utils/Address.sol";
import {ERC721Holder} from "@openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol";
import {ERC1155Holder} from "@openzeppelin/contracts/token/ERC1155/utils/ERC1155Holder.sol";
import {FixedPointMathLib} from "@solmate/utils/FixedPointMathLib.sol";
import {SafeTransferLib} from "@solmate/utils/SafeTransferLib.sol";
import {ERC20} from "@solmate/tokens/ERC20.sol";
import {BeforeTransferHook} from "src/interfaces/BeforeTransferHook.sol";
import {Auth, Authority} from "@solmate/auth/Auth.sol";
import {ERC20Upgradeable} from "@openzeppelin-contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
import {Initializable} from "@openzeppelin-contracts-upgradeable/proxy/utils/Initializable.sol";
import {UUPSUpgradeable} from "@openzeppelin-contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";

import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC165} from "@openzeppelin/contracts/interfaces/IERC165.sol";

contract BoringVault is Auth, Initializable, ERC20Upgradeable, UUPSUpgradeable, ERC721Holder, ERC1155Holder {
    using Address for address;
    using SafeTransferLib for ERC20;
    using FixedPointMathLib for uint256;

    // ========================================= STATE =========================================

    /**
     * @notice Contract responsbile for implementing `beforeTransfer`.
     */
    BeforeTransferHook public hook;

    uint8 private _decimals;

    uint256 public maxTotalSupply = 10_000_000 * 1e6;

    //============================== EVENTS ===============================

    event Enter(address indexed from, address indexed asset, uint256 amount, address indexed to, uint256 shares);
    event Exit(address indexed to, address indexed asset, uint256 amount, address indexed from, uint256 shares);

    //============================== ERRORS ===============================
    error NotSuperchainERC20Bridge();

    //============================== CONSTRUCTOR ===============================
    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() Auth(address(0), Authority(address(0))) {
        _disableInitializers();
    }

    function initialize(
        address _owner,
        Authority _authority,
        string memory _name,
        string memory _symbol,
        uint8 decimals_
    ) public initializer {
        __ERC20_init(_name, _symbol);
        __UUPSUpgradeable_init();
        owner = _owner;
        authority = _authority;
        _decimals = decimals_;
        maxTotalSupply = 10_000_000 * 1e6;
    }

    function _authorizeUpgrade(address newImplementation)
        internal
        override
        requiresAuth
    {}

    //============================== MANAGE ===============================

    /**
     * @notice Allows manager to make an arbitrary function call from this contract.
     * @dev Callable by MANAGER_ROLE.
     */
    function manage(address target, bytes calldata data, uint256 value)
        external
        requiresAuth
        returns (bytes memory result)
    {
        result = target.functionCallWithValue(data, value);
    }

    /**
     * @notice Allows manager to make arbitrary function calls from this contract.
     * @dev Callable by MANAGER_ROLE.
     */
    function manage(address[] calldata targets, bytes[] calldata data, uint256[] calldata values)
        external
        requiresAuth
        returns (bytes[] memory results)
    {
        uint256 targetsLength = targets.length;
        results = new bytes[](targetsLength);
        for (uint256 i; i < targetsLength; ++i) {
            results[i] = targets[i].functionCallWithValue(data[i], values[i]);
        }
    }

    //============================== ENTER ===============================

    /**
     * @notice Allows minter to mint shares, in exchange for assets.
     * @dev If assetAmount is zero, no assets are transferred in.
     * @dev Callable by MINTER_ROLE.
     */
    function enter(address from, ERC20 asset, uint256 assetAmount, address to, uint256 shareAmount)
        external
        requiresAuth
    {
        // Check if total supply would exceed max
        require(totalSupply() + shareAmount <= maxTotalSupply, "Exceeds max total supply");

        // Transfer assets in
        if (assetAmount > 0) asset.safeTransferFrom(from, address(this), assetAmount);

        // Mint shares.
        _mint(to, shareAmount);

        emit Enter(from, address(asset), assetAmount, to, shareAmount);
    }

    //============================== EXIT ===============================

    /**
     * @notice Allows burner to burn shares, in exchange for assets.
     * @dev If assetAmount is zero, no assets are transferred out.
     * @dev Callable by BURNER_ROLE.
     */
    function exit(address to, ERC20 asset, uint256 assetAmount, address from, uint256 shareAmount)
        external
        requiresAuth
    {
        // Burn shares.
        _burn(from, shareAmount);

        // Transfer assets out.
        if (assetAmount > 0) asset.safeTransfer(to, assetAmount);

        emit Exit(to, address(asset), assetAmount, from, shareAmount);
    }

    //============================== BEFORE TRANSFER HOOK ===============================
    /**
     * @notice Sets the share locker.
     * @notice If set to zero address, the share locker logic is disabled.
     * @dev Callable by OWNER_ROLE.
     */
    function setBeforeTransferHook(address _hook) external requiresAuth {
        hook = BeforeTransferHook(_hook);
    }

    /**
     * @notice Call `beforeTransferHook` passing in `from` `to`, and `msg.sender`.
     */
    function _callBeforeTransfer(address from, address to) internal view {
        if (address(hook) != address(0)) hook.beforeTransfer(from, to, msg.sender);
    }

    function transfer(address to, uint256 amount) public override returns (bool) {
        _callBeforeTransfer(msg.sender, to);
        return super.transfer(to, amount);
    }

    function transferFrom(address from, address to, uint256 amount) public override returns (bool) {
        _callBeforeTransfer(from, to);
        return super.transferFrom(from, to, amount);
    }

    /// @inheritdoc IERC165
    function supportsInterface(bytes4 _interfaceId) public view virtual override (ERC1155Holder) returns (bool) {
        return _interfaceId == type(IERC20).interfaceId
            || _interfaceId == type(IERC165).interfaceId || super.supportsInterface(_interfaceId);
    }

    //============================== RECEIVE ===============================

    receive() external payable {}

    function decimals() public view override returns (uint8) {
        return _decimals;
    }

    /**
     * @notice Sets the maximum total supply of shares.
     * @dev Callable by authorized roles.
     */
    function setMaxTotalSupply(uint256 _maxTotalSupply) external requiresAuth {
        maxTotalSupply = _maxTotalSupply;
    }

    /// @notice Sets the name and symbol of the token.
    /// @dev Callable by authorized roles.
    /// @param name_ The name of the token.
    /// @param symbol_ The symbol of the token.
    function setNameAndSymbol(string calldata name_, string calldata symbol_) external requiresAuth {
        // get storage
        bytes32 ERC20StorageLocation = 0x52c63247e1f47db19d5ce0460030c497f067ca4cebf71ba98eeadabe20bace00;
        ERC20Upgradeable.ERC20Storage storage $;
        assembly {
            $.slot := ERC20StorageLocation
        }
        // set name and symbol in storage
        $._name = name_;
        $._symbol = symbol_;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;

import {FixedPointMathLib} from "@solmate/utils/FixedPointMathLib.sol";
import {IRateProvider} from "src/interfaces/IRateProvider.sol";
import {ERC20} from "@solmate/tokens/ERC20.sol";
import {SafeTransferLib} from "@solmate/utils/SafeTransferLib.sol";
import {BoringVault} from "src/base/BoringVault.sol";
import {Auth, Authority} from "@solmate/auth/Auth.sol";
import {IPausable} from "src/interfaces/IPausable.sol";

contract AccountantWithRateProviders is Auth, IRateProvider, IPausable {
    using FixedPointMathLib for uint256;
    using SafeTransferLib for ERC20;

    // ========================================= STRUCTS =========================================

    /**
     * @param payoutAddress the address `claimFees` sends fees to
     * @param highwaterMark the highest value of the BoringVault's share price
     * @param feesOwedInBase total pending fees owed in terms of base
     * @param totalSharesLastUpdate total amount of shares the last exchange rate update
     * @param exchangeRate the current exchange rate in terms of base
     * @param allowedExchangeRateChangeUpper the max allowed change to exchange rate from an update
     * @param allowedExchangeRateChangeLower the min allowed change to exchange rate from an update
     * @param lastUpdateTimestamp the block timestamp of the last exchange rate update
     * @param isPaused whether or not this contract is paused
     * @param minimumUpdateDelayInSeconds the minimum amount of time that must pass between
     *        exchange rate updates, such that the update won't trigger the contract to be paused
     * @param managementFee the management fee
     * @param performanceFee the performance fee
     */
    struct AccountantState {
        address payoutAddress;
        uint96 highwaterMark;
        uint128 feesOwedInBase;
        uint128 totalSharesLastUpdate;
        uint96 exchangeRate;
        uint16 allowedExchangeRateChangeUpper;
        uint16 allowedExchangeRateChangeLower;
        uint64 lastUpdateTimestamp;
        bool isPaused;
        uint24 minimumUpdateDelayInSeconds;
        uint16 managementFee;
        uint16 performanceFee;
    }

    /**
     * @param isPeggedToBase whether or not the asset is 1:1 with the base asset
     * @param rateProvider the rate provider for this asset if `isPeggedToBase` is false
     */
    struct RateProviderData {
        bool isPeggedToBase;
        IRateProvider rateProvider;
    }

    // ========================================= STATE =========================================

    /**
     * @notice Store the accountant state in 3 packed slots.
     */
    AccountantState public accountantState;

    /**
     * @notice Maps ERC20s to their RateProviderData.
     */
    mapping(ERC20 => RateProviderData) public rateProviderData;

    //============================== ERRORS ===============================

    error AccountantWithRateProviders__UpperBoundTooSmall();
    error AccountantWithRateProviders__LowerBoundTooLarge();
    error AccountantWithRateProviders__ManagementFeeTooLarge();
    error AccountantWithRateProviders__PerformanceFeeTooLarge();
    error AccountantWithRateProviders__Paused();
    error AccountantWithRateProviders__ZeroFeesOwed();
    error AccountantWithRateProviders__OnlyCallableByBoringVault();
    error AccountantWithRateProviders__UpdateDelayTooLarge();
    error AccountantWithRateProviders__ExchangeRateAboveHighwaterMark();

    //============================== EVENTS ===============================

    event Paused();
    event Unpaused();
    event DelayInSecondsUpdated(uint24 oldDelay, uint24 newDelay);
    event UpperBoundUpdated(uint16 oldBound, uint16 newBound);
    event LowerBoundUpdated(uint16 oldBound, uint16 newBound);
    event ManagementFeeUpdated(uint16 oldFee, uint16 newFee);
    event PerformanceFeeUpdated(uint16 oldFee, uint16 newFee);
    event PayoutAddressUpdated(address oldPayout, address newPayout);
    event RateProviderUpdated(address asset, bool isPegged, address rateProvider);
    event ExchangeRateUpdated(uint96 oldRate, uint96 newRate, uint64 currentTime);
    event FeesClaimed(address indexed feeAsset, uint256 amount);
    event HighwaterMarkReset();

    //============================== IMMUTABLES ===============================

    /**
     * @notice The base asset rates are provided in.
     */
    ERC20 public immutable base;

    /**
     * @notice The decimals rates are provided in.
     */
    uint8 public immutable decimals;

    /**
     * @notice The BoringVault this accountant is working with.
     *         Used to determine share supply for fee calculation.
     */
    BoringVault public immutable vault;

    /**
     * @notice One share of the BoringVault.
     */
    uint256 internal immutable ONE_SHARE;

    constructor(
        address _owner,
        address _vault,
        address payoutAddress,
        uint96 startingExchangeRate,
        address _base,
        uint16 allowedExchangeRateChangeUpper,
        uint16 allowedExchangeRateChangeLower,
        uint24 minimumUpdateDelayInSeconds,
        uint16 managementFee,
        uint16 performanceFee
    ) Auth(_owner, Authority(address(0))) {
        base = ERC20(_base);
        decimals = ERC20(_base).decimals();
        vault = BoringVault(payable(_vault));
        ONE_SHARE = 10 ** vault.decimals();
        accountantState = AccountantState({
            payoutAddress: payoutAddress,
            highwaterMark: startingExchangeRate,
            feesOwedInBase: 0,
            totalSharesLastUpdate: uint128(vault.totalSupply()),
            exchangeRate: startingExchangeRate,
            allowedExchangeRateChangeUpper: allowedExchangeRateChangeUpper,
            allowedExchangeRateChangeLower: allowedExchangeRateChangeLower,
            lastUpdateTimestamp: uint64(block.timestamp),
            isPaused: false,
            minimumUpdateDelayInSeconds: minimumUpdateDelayInSeconds,
            managementFee: managementFee,
            performanceFee: performanceFee
        });
    }

    // ========================================= ADMIN FUNCTIONS =========================================
    /**
     * @notice Pause this contract, which prevents future calls to `updateExchangeRate`, and any safe rate
     *         calls will revert.
     * @dev Callable by MULTISIG_ROLE.
     */
    function pause() external requiresAuth {
        accountantState.isPaused = true;
        emit Paused();
    }

    /**
     * @notice Unpause this contract, which allows future calls to `updateExchangeRate`, and any safe rate
     *         calls will stop reverting.
     * @dev Callable by MULTISIG_ROLE.
     */
    function unpause() external requiresAuth {
        accountantState.isPaused = false;
        emit Unpaused();
    }

    /**
     * @notice Update the minimum time delay between `updateExchangeRate` calls.
     * @dev There are no input requirements, as it is possible the admin would want
     *      the exchange rate updated as frequently as needed.
     * @dev Callable by OWNER_ROLE.
     */
    function updateDelay(uint24 minimumUpdateDelayInSeconds) external requiresAuth {
        if (minimumUpdateDelayInSeconds > 14 days) revert AccountantWithRateProviders__UpdateDelayTooLarge();
        uint24 oldDelay = accountantState.minimumUpdateDelayInSeconds;
        accountantState.minimumUpdateDelayInSeconds = minimumUpdateDelayInSeconds;
        emit DelayInSecondsUpdated(oldDelay, minimumUpdateDelayInSeconds);
    }

    /**
     * @notice Update the allowed upper bound change of exchange rate between `updateExchangeRateCalls`.
     * @dev Callable by OWNER_ROLE.
     */
    function updateUpper(uint16 allowedExchangeRateChangeUpper) external requiresAuth {
        if (allowedExchangeRateChangeUpper < 1e4) revert AccountantWithRateProviders__UpperBoundTooSmall();
        uint16 oldBound = accountantState.allowedExchangeRateChangeUpper;
        accountantState.allowedExchangeRateChangeUpper = allowedExchangeRateChangeUpper;
        emit UpperBoundUpdated(oldBound, allowedExchangeRateChangeUpper);
    }

    /**
     * @notice Update the allowed lower bound change of exchange rate between `updateExchangeRateCalls`.
     * @dev Callable by OWNER_ROLE.
     */
    function updateLower(uint16 allowedExchangeRateChangeLower) external requiresAuth {
        if (allowedExchangeRateChangeLower > 1e4) revert AccountantWithRateProviders__LowerBoundTooLarge();
        uint16 oldBound = accountantState.allowedExchangeRateChangeLower;
        accountantState.allowedExchangeRateChangeLower = allowedExchangeRateChangeLower;
        emit LowerBoundUpdated(oldBound, allowedExchangeRateChangeLower);
    }

    /**
     * @notice Update the management fee to a new value.
     * @dev Callable by OWNER_ROLE.
     */
    function updateManagementFee(uint16 managementFee) external requiresAuth {
        if (managementFee > 0.2e4) revert AccountantWithRateProviders__ManagementFeeTooLarge();
        uint16 oldFee = accountantState.managementFee;
        accountantState.managementFee = managementFee;
        emit ManagementFeeUpdated(oldFee, managementFee);
    }

    /**
     * @notice Update the performance fee to a new value.
     * @dev Callable by OWNER_ROLE.
     */
    function updatePerformanceFee(uint16 performanceFee) external requiresAuth {
        if (performanceFee > 0.5e4) revert AccountantWithRateProviders__PerformanceFeeTooLarge();
        uint16 oldFee = accountantState.performanceFee;
        accountantState.performanceFee = performanceFee;
        emit PerformanceFeeUpdated(oldFee, performanceFee);
    }

    /**
     * @notice Update the payout address fees are sent to.
     * @dev Callable by OWNER_ROLE.
     */
    function updatePayoutAddress(address payoutAddress) external requiresAuth {
        address oldPayout = accountantState.payoutAddress;
        accountantState.payoutAddress = payoutAddress;
        emit PayoutAddressUpdated(oldPayout, payoutAddress);
    }

    /**
     * @notice Update the rate provider data for a specific `asset`.
     * @dev Rate providers must return rates in terms of `base` or
     * an asset pegged to base and they must use the same decimals
     * as `asset`.
     * @dev Callable by OWNER_ROLE.
     */
    function setRateProviderData(ERC20 asset, bool isPeggedToBase, address rateProvider) external requiresAuth {
        rateProviderData[asset] =
            RateProviderData({isPeggedToBase: isPeggedToBase, rateProvider: IRateProvider(rateProvider)});
        emit RateProviderUpdated(address(asset), isPeggedToBase, rateProvider);
    }

    /**
     * @notice Reset the highwater mark to the current exchange rate.
     * @dev Callable by OWNER_ROLE.
     */
    function resetHighwaterMark() external virtual requiresAuth {
        AccountantState storage state = accountantState;

        if (state.exchangeRate > state.highwaterMark) {
            revert AccountantWithRateProviders__ExchangeRateAboveHighwaterMark();
        }

        uint64 currentTime = uint64(block.timestamp);
        uint256 currentTotalShares = vault.totalSupply();
        _calculateFeesOwed(state, state.exchangeRate, state.exchangeRate, currentTotalShares, currentTime);
        state.totalSharesLastUpdate = uint128(currentTotalShares);
        state.highwaterMark = accountantState.exchangeRate;
        state.lastUpdateTimestamp = currentTime;

        emit HighwaterMarkReset();
    }

    // ========================================= UPDATE EXCHANGE RATE/FEES FUNCTIONS =========================================

    /**
     * @notice Updates this contract exchangeRate.
     * @dev If new exchange rate is outside of accepted bounds, or if not enough time has passed, this
     *      will pause the contract, and this function will NOT calculate fees owed.
     * @dev Callable by UPDATE_EXCHANGE_RATE_ROLE.
     */
    function updateExchangeRate(uint96 newExchangeRate) external requiresAuth {
        AccountantState storage state = accountantState;
        if (state.isPaused) revert AccountantWithRateProviders__Paused();
        uint64 currentTime = uint64(block.timestamp);
        uint256 currentExchangeRate = state.exchangeRate;
        uint256 currentTotalShares = vault.totalSupply();
        if (
            currentTime < state.lastUpdateTimestamp + state.minimumUpdateDelayInSeconds
                || newExchangeRate > currentExchangeRate.mulDivDown(state.allowedExchangeRateChangeUpper, 1e4)
                || newExchangeRate < currentExchangeRate.mulDivDown(state.allowedExchangeRateChangeLower, 1e4)
        ) {
            // Instead of reverting, pause the contract. This way the exchange rate updater is able to update the exchange rate
            // to a better value, and pause it.
            state.isPaused = true;
        } else {
            _calculateFeesOwed(state, newExchangeRate, currentExchangeRate, currentTotalShares, currentTime);
        }

        newExchangeRate = _setExchangeRate(newExchangeRate, state);
        state.totalSharesLastUpdate = uint128(currentTotalShares);
        state.lastUpdateTimestamp = currentTime;

        emit ExchangeRateUpdated(uint96(currentExchangeRate), newExchangeRate, currentTime);
    }

    /**
     * @notice Claim pending fees.
     * @dev This function must be called by the BoringVault.
     * @dev This function will lose precision if the exchange rate
     *      decimals is greater than the feeAsset's decimals.
     */
    function claimFees(ERC20 feeAsset) external {
        if (msg.sender != address(vault)) revert AccountantWithRateProviders__OnlyCallableByBoringVault();

        AccountantState storage state = accountantState;
        if (state.isPaused) revert AccountantWithRateProviders__Paused();
        if (state.feesOwedInBase == 0) revert AccountantWithRateProviders__ZeroFeesOwed();

        // Determine amount of fees owed in feeAsset.
        uint256 feesOwedInFeeAsset;
        RateProviderData memory data = rateProviderData[feeAsset];
        if (address(feeAsset) == address(base)) {
            feesOwedInFeeAsset = state.feesOwedInBase;
        } else {
            uint8 feeAssetDecimals = ERC20(feeAsset).decimals();
            uint256 feesOwedInBaseUsingFeeAssetDecimals =
                changeDecimals(state.feesOwedInBase, decimals, feeAssetDecimals);
            if (data.isPeggedToBase) {
                feesOwedInFeeAsset = feesOwedInBaseUsingFeeAssetDecimals;
            } else {
                uint256 rate = data.rateProvider.getRate();
                feesOwedInFeeAsset = feesOwedInBaseUsingFeeAssetDecimals.mulDivDown(10 ** feeAssetDecimals, rate);
            }
        }
        // Zero out fees owed.
        state.feesOwedInBase = 0;
        // Transfer fee asset to payout address.
        feeAsset.safeTransferFrom(msg.sender, state.payoutAddress, feesOwedInFeeAsset);

        emit FeesClaimed(address(feeAsset), feesOwedInFeeAsset);
    }

    // ========================================= RATE FUNCTIONS =========================================

    /**
     * @notice Get this BoringVault's current rate in the base.
     */
    function getRate() public view returns (uint256 rate) {
        rate = accountantState.exchangeRate;
    }

    /**
     * @notice Get this BoringVault's current rate in the base.
     * @dev Revert if paused.
     */
    function getRateSafe() external view returns (uint256 rate) {
        if (accountantState.isPaused) revert AccountantWithRateProviders__Paused();
        rate = getRate();
    }

    /**
     * @notice Get this BoringVault's current rate in the provided quote.
     * @dev `quote` must have its RateProviderData set, else this will revert.
     * @dev This function will lose precision if the exchange rate
     *      decimals is greater than the quote's decimals.
     */
    function getRateInQuote(ERC20 quote) public view returns (uint256 rateInQuote) {
        if (address(quote) == address(base)) {
            rateInQuote = accountantState.exchangeRate;
        } else {
            RateProviderData memory data = rateProviderData[quote];
            uint8 quoteDecimals = ERC20(quote).decimals();
            uint256 exchangeRateInQuoteDecimals = changeDecimals(accountantState.exchangeRate, decimals, quoteDecimals);
            if (data.isPeggedToBase) {
                rateInQuote = exchangeRateInQuoteDecimals;
            } else {
                uint256 quoteRate = data.rateProvider.getRate();
                uint256 oneQuote = 10 ** quoteDecimals;
                rateInQuote = oneQuote.mulDivDown(exchangeRateInQuoteDecimals, quoteRate);
            }
        }
    }

    /**
     * @notice Get this BoringVault's current rate in the provided quote.
     * @dev `quote` must have its RateProviderData set, else this will revert.
     * @dev Revert if paused.
     */
    function getRateInQuoteSafe(ERC20 quote) external view returns (uint256 rateInQuote) {
        if (accountantState.isPaused) revert AccountantWithRateProviders__Paused();
        rateInQuote = getRateInQuote(quote);
    }

    // ========================================= INTERNAL HELPER FUNCTIONS =========================================
    /**
     * @notice Used to change the decimals of precision used for an amount.
     */
    function changeDecimals(uint256 amount, uint8 fromDecimals, uint8 toDecimals) internal pure returns (uint256) {
        if (fromDecimals == toDecimals) {
            return amount;
        } else if (fromDecimals < toDecimals) {
            return amount * 10 ** (toDecimals - fromDecimals);
        } else {
            return amount / 10 ** (fromDecimals - toDecimals);
        }
    }

    /**
     * @notice Set the exchange rate.
     */
    function _setExchangeRate(uint96 newExchangeRate, AccountantState storage state)
        internal
        virtual
        returns (uint96)
    {
        state.exchangeRate = newExchangeRate;
        return newExchangeRate;
    }
 
    /**
     * @notice Calculate management fees.
     */
    function _calculateManagementFee(
        uint128 totalSharesLastUpdate,
        uint64 lastUpdateTimestamp,
        uint16 managementFee,
        uint96 newExchangeRate,
        uint256 currentExchangeRate,
        uint256 currentTotalShares,
        uint64 currentTime
    ) internal view returns (uint256 managementFeesOwedInBase, uint256 shareSupplyToUse) {
        shareSupplyToUse = currentTotalShares;
        // Use the minimum between current total supply and total supply for last update.
        if (totalSharesLastUpdate < shareSupplyToUse) {
            shareSupplyToUse = totalSharesLastUpdate;
        }

        // Determine management fees owned.
        if (managementFee > 0) {
            uint256 timeDelta = currentTime - lastUpdateTimestamp;
            uint256 minimumAssets = newExchangeRate > currentExchangeRate
                ? shareSupplyToUse.mulDivDown(currentExchangeRate, ONE_SHARE)
                : shareSupplyToUse.mulDivDown(newExchangeRate, ONE_SHARE);
            uint256 managementFeesAnnual = minimumAssets.mulDivDown(managementFee, 1e4);
            managementFeesOwedInBase = managementFeesAnnual.mulDivDown(timeDelta, 365 days);
        }
    }

    /**
     * @notice Calculate performance fees.
     */
    function _calculatePerformanceFee(
        uint96 newExchangeRate,
        uint256 shareSupplyToUse,
        uint96 datum,
        uint16 performanceFee
    ) internal view returns (uint256 performanceFeesOwedInBase, uint256 yieldEarned) {
        uint256 changeInExchangeRate = newExchangeRate - datum;
        yieldEarned = changeInExchangeRate.mulDivDown(shareSupplyToUse, ONE_SHARE);
        if (performanceFee > 0) {
            performanceFeesOwedInBase = yieldEarned.mulDivDown(performanceFee, 1e4);
        }
    }

    /**
     * @notice Calculate fees owed in base.
     * @dev This function will update the highwater mark if the new exchange rate is higher.
     */
    function _calculateFeesOwed(
        AccountantState storage state,
        uint96 newExchangeRate,
        uint256 currentExchangeRate,
        uint256 currentTotalShares,
        uint64 currentTime
    ) internal virtual {
        // Only update fees if we are not paused.
        // Update fee accounting.
        (uint256 newFeesOwedInBase, uint256 shareSupplyToUse) = _calculateManagementFee(
            state.totalSharesLastUpdate,
            state.lastUpdateTimestamp,
            state.managementFee,
            newExchangeRate,
            currentExchangeRate,
            currentTotalShares,
            currentTime
        );

        // Account for performance fees.
        if (newExchangeRate > state.highwaterMark) {
            (uint256 performanceFeesOwedInBase,) =
                _calculatePerformanceFee(newExchangeRate, shareSupplyToUse, state.highwaterMark, state.performanceFee);

            // Add performance fees to fees owed.
            newFeesOwedInBase += performanceFeesOwedInBase;

            // Always update the highwater mark if the new exchange rate is higher.
            // This way if we are not iniitiall taking performance fees, we can start taking them
            // without back charging them on past performance.
            state.highwaterMark = newExchangeRate;
        }

        state.feesOwedInBase += uint128(newFeesOwedInBase);
    }
}

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

import {ERC20} from "./ERC20.sol";

import {SafeTransferLib} from "../utils/SafeTransferLib.sol";

/// @notice Minimalist and modern Wrapped Ether implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/WETH.sol)
/// @author Inspired by WETH9 (https://github.com/dapphub/ds-weth/blob/master/src/weth9.sol)
contract WETH is ERC20("Wrapped Ether", "WETH", 18) {
    using SafeTransferLib for address;

    event Deposit(address indexed from, uint256 amount);

    event Withdrawal(address indexed to, uint256 amount);

    function deposit() public payable virtual {
        _mint(msg.sender, msg.value);

        emit Deposit(msg.sender, msg.value);
    }

    function withdraw(uint256 amount) public virtual {
        _burn(msg.sender, amount);

        emit Withdrawal(msg.sender, amount);

        msg.sender.safeTransferETH(amount);
    }

    receive() external payable virtual {
        deposit();
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;

interface BeforeTransferHook {
    function beforeTransfer(address from, address to, address operator) external view;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @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://consensys.net/diligence/blog/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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @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 or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * 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.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @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`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    /**
     * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.
     */
    function _revert(bytes memory returndata) private pure {
        // 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 FailedInnerCall();
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/utils/ERC721Holder.sol)

pragma solidity ^0.8.20;

import {IERC721Receiver} from "../IERC721Receiver.sol";

/**
 * @dev Implementation of the {IERC721Receiver} interface.
 *
 * Accepts all token transfers.
 * Make sure the contract is able to use its token with {IERC721-safeTransferFrom}, {IERC721-approve} or
 * {IERC721-setApprovalForAll}.
 */
abstract contract ERC721Holder is IERC721Receiver {
    /**
     * @dev See {IERC721Receiver-onERC721Received}.
     *
     * Always returns `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(address, address, uint256, bytes memory) public virtual returns (bytes4) {
        return this.onERC721Received.selector;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC1155/utils/ERC1155Holder.sol)

pragma solidity ^0.8.20;

import {IERC165, ERC165} from "../../../utils/introspection/ERC165.sol";
import {IERC1155Receiver} from "../IERC1155Receiver.sol";

/**
 * @dev Simple implementation of `IERC1155Receiver` that will allow a contract to hold ERC1155 tokens.
 *
 * IMPORTANT: When inheriting this contract, you must include a way to use the received tokens, otherwise they will be
 * stuck.
 */
abstract contract ERC1155Holder is ERC165, IERC1155Receiver {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);
    }

    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155Received.selector;
    }

    function onERC1155BatchReceived(
        address,
        address,
        uint256[] memory,
        uint256[] memory,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155BatchReceived.selector;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol";
import {IERC20Errors} from "@openzeppelin/contracts/interfaces/draft-IERC6093.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC-20
 * applications.
 */
abstract contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20, IERC20Metadata, IERC20Errors {
    /// @custom:storage-location erc7201:openzeppelin.storage.ERC20
    struct ERC20Storage {
        mapping(address account => uint256) _balances;

        mapping(address account => mapping(address spender => uint256)) _allowances;

        uint256 _totalSupply;

        string _name;
        string _symbol;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC20")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant ERC20StorageLocation = 0x52c63247e1f47db19d5ce0460030c497f067ca4cebf71ba98eeadabe20bace00;

    function _getERC20Storage() private pure returns (ERC20Storage storage $) {
        assembly {
            $.slot := ERC20StorageLocation
        }
    }

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    function __ERC20_init(string memory name_, string memory symbol_) internal onlyInitializing {
        __ERC20_init_unchained(name_, symbol_);
    }

    function __ERC20_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
        ERC20Storage storage $ = _getERC20Storage();
        $._name = name_;
        $._symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual returns (string memory) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual returns (string memory) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `value`.
     */
    function transfer(address to, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, value);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, value);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Skips emitting an {Approval} event indicating an allowance update. This is not
     * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `value`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `value`.
     */
    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        ERC20Storage storage $ = _getERC20Storage();
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            $._totalSupply += value;
        } else {
            uint256 fromBalance = $._balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                $._balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                $._totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                $._balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    /**
     * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     *
     * ```solidity
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        ERC20Storage storage $ = _getERC20Storage();
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        $._allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(spender, currentAllowance, value);
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.20;

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```solidity
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 *
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Storage of the initializable contract.
     *
     * It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions
     * when using with upgradeable contracts.
     *
     * @custom:storage-location erc7201:openzeppelin.storage.Initializable
     */
    struct InitializableStorage {
        /**
         * @dev Indicates that the contract has been initialized.
         */
        uint64 _initialized;
        /**
         * @dev Indicates that the contract is in the process of being initialized.
         */
        bool _initializing;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;

    /**
     * @dev The contract is already initialized.
     */
    error InvalidInitialization();

    /**
     * @dev The contract is not initializing.
     */
    error NotInitializing();

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint64 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any
     * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in
     * production.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        // Cache values to avoid duplicated sloads
        bool isTopLevelCall = !$._initializing;
        uint64 initialized = $._initialized;

        // Allowed calls:
        // - initialSetup: the contract is not in the initializing state and no previous version was
        //                 initialized
        // - construction: the contract is initialized at version 1 (no reininitialization) and the
        //                 current contract is just being deployed
        bool initialSetup = initialized == 0 && isTopLevelCall;
        bool construction = initialized == 1 && address(this).code.length == 0;

        if (!initialSetup && !construction) {
            revert InvalidInitialization();
        }
        $._initialized = 1;
        if (isTopLevelCall) {
            $._initializing = true;
        }
        _;
        if (isTopLevelCall) {
            $._initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint64 version) {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing || $._initialized >= version) {
            revert InvalidInitialization();
        }
        $._initialized = version;
        $._initializing = true;
        _;
        $._initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        _checkInitializing();
        _;
    }

    /**
     * @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}.
     */
    function _checkInitializing() internal view virtual {
        if (!_isInitializing()) {
            revert NotInitializing();
        }
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing) {
            revert InvalidInitialization();
        }
        if ($._initialized != type(uint64).max) {
            $._initialized = type(uint64).max;
            emit Initialized(type(uint64).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint64) {
        return _getInitializableStorage()._initialized;
    }

    /**
     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
     */
    function _isInitializing() internal view returns (bool) {
        return _getInitializableStorage()._initializing;
    }

    /**
     * @dev Returns a pointer to the storage namespace.
     */
    // solhint-disable-next-line var-name-mixedcase
    function _getInitializableStorage() private pure returns (InitializableStorage storage $) {
        assembly {
            $.slot := INITIALIZABLE_STORAGE
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (proxy/utils/UUPSUpgradeable.sol)

pragma solidity ^0.8.20;

import {IERC1822Proxiable} from "@openzeppelin/contracts/interfaces/draft-IERC1822.sol";
import {ERC1967Utils} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol";
import {Initializable} from "./Initializable.sol";

/**
 * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an
 * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.
 *
 * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is
 * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing
 * `UUPSUpgradeable` with a custom implementation of upgrades.
 *
 * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
 */
abstract contract UUPSUpgradeable is Initializable, IERC1822Proxiable {
    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable
    address private immutable __self = address(this);

    /**
     * @dev The version of the upgrade interface of the contract. If this getter is missing, both `upgradeTo(address)`
     * and `upgradeToAndCall(address,bytes)` are present, and `upgradeTo` must be used if no function should be called,
     * while `upgradeToAndCall` will invoke the `receive` function if the second argument is the empty byte string.
     * If the getter returns `"5.0.0"`, only `upgradeToAndCall(address,bytes)` is present, and the second argument must
     * be the empty byte string if no function should be called, making it impossible to invoke the `receive` function
     * during an upgrade.
     */
    string public constant UPGRADE_INTERFACE_VERSION = "5.0.0";

    /**
     * @dev The call is from an unauthorized context.
     */
    error UUPSUnauthorizedCallContext();

    /**
     * @dev The storage `slot` is unsupported as a UUID.
     */
    error UUPSUnsupportedProxiableUUID(bytes32 slot);

    /**
     * @dev Check that the execution is being performed through a delegatecall call and that the execution context is
     * a proxy contract with an implementation (as defined in ERC-1967) pointing to self. This should only be the case
     * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a
     * function through ERC-1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to
     * fail.
     */
    modifier onlyProxy() {
        _checkProxy();
        _;
    }

    /**
     * @dev Check that the execution is not being performed through a delegate call. This allows a function to be
     * callable on the implementing contract but not through proxies.
     */
    modifier notDelegated() {
        _checkNotDelegated();
        _;
    }

    function __UUPSUpgradeable_init() internal onlyInitializing {
    }

    function __UUPSUpgradeable_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev Implementation of the ERC-1822 {proxiableUUID} function. This returns the storage slot used by the
     * implementation. It is used to validate the implementation's compatibility when performing an upgrade.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.
     */
    function proxiableUUID() external view virtual notDelegated returns (bytes32) {
        return ERC1967Utils.IMPLEMENTATION_SLOT;
    }

    /**
     * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call
     * encoded in `data`.
     *
     * Calls {_authorizeUpgrade}.
     *
     * Emits an {Upgraded} event.
     *
     * @custom:oz-upgrades-unsafe-allow-reachable delegatecall
     */
    function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy {
        _authorizeUpgrade(newImplementation);
        _upgradeToAndCallUUPS(newImplementation, data);
    }

    /**
     * @dev Reverts if the execution is not performed via delegatecall or the execution
     * context is not of a proxy with an ERC-1967 compliant implementation pointing to self.
     * See {_onlyProxy}.
     */
    function _checkProxy() internal view virtual {
        if (
            address(this) == __self || // Must be called through delegatecall
            ERC1967Utils.getImplementation() != __self // Must be called through an active proxy
        ) {
            revert UUPSUnauthorizedCallContext();
        }
    }

    /**
     * @dev Reverts if the execution is performed via delegatecall.
     * See {notDelegated}.
     */
    function _checkNotDelegated() internal view virtual {
        if (address(this) != __self) {
            // Must not be called through delegatecall
            revert UUPSUnauthorizedCallContext();
        }
    }

    /**
     * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by
     * {upgradeToAndCall}.
     *
     * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.
     *
     * ```solidity
     * function _authorizeUpgrade(address) internal onlyOwner {}
     * ```
     */
    function _authorizeUpgrade(address newImplementation) internal virtual;

    /**
     * @dev Performs an implementation upgrade with a security check for UUPS proxies, and additional setup call.
     *
     * As a security check, {proxiableUUID} is invoked in the new implementation, and the return value
     * is expected to be the implementation slot in ERC-1967.
     *
     * Emits an {IERC1967-Upgraded} event.
     */
    function _upgradeToAndCallUUPS(address newImplementation, bytes memory data) private {
        try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
            if (slot != ERC1967Utils.IMPLEMENTATION_SLOT) {
                revert UUPSUnsupportedProxiableUUID(slot);
            }
            ERC1967Utils.upgradeToAndCall(newImplementation, data);
        } catch {
            // The implementation is not UUPS
            revert ERC1967Utils.ERC1967InvalidImplementation(newImplementation);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @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 value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` 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 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)

pragma solidity ^0.8.20;

import {IERC165} from "../utils/introspection/IERC165.sol";

// SPDX-License-Identifier: GPL-3.0-or-later
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

pragma solidity ^0.8.0;

interface IRateProvider {
    function getRate() external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;

interface IPausable {
    function pause() external;
    function unpause() external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.20;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be
     * reverted.
     *
     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol)

pragma solidity ^0.8.20;

import {IERC165} from "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC1155/IERC1155Receiver.sol)

pragma solidity ^0.8.20;

import {IERC165} from "../../utils/introspection/IERC165.sol";

/**
 * @dev Interface that must be implemented by smart contracts in order to receive
 * ERC-1155 token transfers.
 */
interface IERC1155Receiver is IERC165 {
    /**
     * @dev Handles the receipt of a single ERC1155 token type. This function is
     * called at the end of a `safeTransferFrom` after the balance has been updated.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
     * (i.e. 0xf23a6e61, or its own function selector).
     *
     * @param operator The address which initiated the transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param id The ID of the token being transferred
     * @param value The amount of tokens being transferred
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
     */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
     * @dev Handles the receipt of a multiple ERC1155 token types. This function
     * is called at the end of a `safeBatchTransferFrom` after the balances have
     * been updated.
     *
     * NOTE: To accept the transfer(s), this must return
     * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
     * (i.e. 0xbc197c81, or its own function selector).
     *
     * @param operator The address which initiated the batch transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param ids An array containing ids of each token being transferred (order and length must match values array)
     * @param values An array containing amounts of each token being transferred (order and length must match ids array)
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
     */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

/**
 * @dev Standard ERC20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}

/**
 * @dev Standard ERC721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.
     * Used in balance queries.
     * @param owner Address of the current owner of a token.
     */
    error ERC721InvalidOwner(address owner);

    /**
     * @dev Indicates a `tokenId` whose `owner` is the zero address.
     * @param tokenId Identifier number of a token.
     */
    error ERC721NonexistentToken(uint256 tokenId);

    /**
     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param tokenId Identifier number of a token.
     * @param owner Address of the current owner of a token.
     */
    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC721InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC721InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param tokenId Identifier number of a token.
     */
    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC721InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC721InvalidOperator(address operator);
}

/**
 * @dev Standard ERC1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.
 */
interface IERC1155Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     * @param tokenId Identifier number of a token.
     */
    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC1155InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1155InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param owner Address of the current owner of a token.
     */
    error ERC1155MissingApprovalForAll(address operator, address owner);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC1155InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1155InvalidOperator(address operator);

    /**
     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
     * Used in batch transfers.
     * @param idsLength Length of the array of token identifiers
     * @param valuesLength Length of the array of token amounts
     */
    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.20;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822Proxiable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Utils.sol)

pragma solidity ^0.8.20;

import {IBeacon} from "../beacon/IBeacon.sol";
import {Address} from "../../utils/Address.sol";
import {StorageSlot} from "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 */
library ERC1967Utils {
    // We re-declare ERC-1967 events here because they can't be used directly from IERC1967.
    // This will be fixed in Solidity 0.8.21. At that point we should remove these events.
    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Emitted when the beacon is changed.
     */
    event BeaconUpgraded(address indexed beacon);

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev The `implementation` of the proxy is invalid.
     */
    error ERC1967InvalidImplementation(address implementation);

    /**
     * @dev The `admin` of the proxy is invalid.
     */
    error ERC1967InvalidAdmin(address admin);

    /**
     * @dev The `beacon` of the proxy is invalid.
     */
    error ERC1967InvalidBeacon(address beacon);

    /**
     * @dev An upgrade function sees `msg.value > 0` that may be lost.
     */
    error ERC1967NonPayable();

    /**
     * @dev Returns the current implementation address.
     */
    function getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        if (newImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(newImplementation);
        }
        StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Performs implementation upgrade with additional setup call if data is nonempty.
     * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
     * to avoid stuck value in the contract.
     *
     * Emits an {IERC1967-Upgraded} event.
     */
    function upgradeToAndCall(address newImplementation, bytes memory data) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);

        if (data.length > 0) {
            Address.functionDelegateCall(newImplementation, data);
        } else {
            _checkNonPayable();
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Returns the current admin.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using
     * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
     */
    function getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        if (newAdmin == address(0)) {
            revert ERC1967InvalidAdmin(address(0));
        }
        StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {IERC1967-AdminChanged} event.
     */
    function changeAdmin(address newAdmin) internal {
        emit AdminChanged(getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is the keccak-256 hash of "eip1967.proxy.beacon" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Returns the current beacon.
     */
    function getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        if (newBeacon.code.length == 0) {
            revert ERC1967InvalidBeacon(newBeacon);
        }

        StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon;

        address beaconImplementation = IBeacon(newBeacon).implementation();
        if (beaconImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(beaconImplementation);
        }
    }

    /**
     * @dev Change the beacon and trigger a setup call if data is nonempty.
     * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
     * to avoid stuck value in the contract.
     *
     * Emits an {IERC1967-BeaconUpgraded} event.
     *
     * CAUTION: Invoking this function has no effect on an instance of {BeaconProxy} since v5, since
     * it uses an immutable beacon without looking at the value of the ERC-1967 beacon slot for
     * efficiency.
     */
    function upgradeBeaconToAndCall(address newBeacon, bytes memory data) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);

        if (data.length > 0) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        } else {
            _checkNonPayable();
        }
    }

    /**
     * @dev Reverts if `msg.value` is not zero. It can be used to avoid `msg.value` stuck in the contract
     * if an upgrade doesn't perform an initialization call.
     */
    function _checkNonPayable() private {
        if (msg.value > 0) {
            revert ERC1967NonPayable();
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.20;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {UpgradeableBeacon} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

pragma solidity ^0.8.20;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```solidity
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(newImplementation.code.length > 0);
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` with member `value` located at `slot`.
     */
    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.
     */
    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` with member `value` located at `slot`.
     */
    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
     */
    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }
}

{
  "remappings": [
    "@solmate/=lib/solmate/src/",
    "@forge-std/=lib/forge-std/src/",
    "@ds-test/=lib/forge-std/lib/ds-test/src/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "@openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@layerzerolabs/lz-evm-protocol-v2/=lib/OAppAuth/lib/LayerZero-V2/packages/layerzero-v2/evm/protocol/",
    "@ccip/=lib/ccip/",
    "@oapp-auth/=lib/OAppAuth/src/",
    "@cryptoalgebra/Algebra/=lib/Algebra/src/core/",
    "@devtools-oapp-evm/=lib/OAppAuth/lib/devtools/packages/oapp-evm/contracts/oapp/",
    "@layerzerolabs/lz-evm-messagelib-v2/=lib/OAppAuth/node_modules/@layerzerolabs/lz-evm-messagelib-v2/",
    "@layerzerolabs/oapp-evm/=lib/OAppAuth/lib/devtools/packages/oapp-evm/",
    "@lz-oapp-evm/=lib/OAppAuth/lib/LayerZero-V2/packages/layerzero-v2/evm/oapp/contracts/oapp/",
    "@sbu/=lib/OAppAuth/lib/solidity-bytes-utils/",
    "LayerZero-V2/=lib/OAppAuth/lib/",
    "OAppAuth/=lib/OAppAuth/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts-upgradeable/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "solidity-bytes-utils/=lib/OAppAuth/node_modules/solidity-bytes-utils/",
    "solmate/=lib/solmate/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": false
}

• No Contract Security Audit Submitted- Submit Audit Here

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Authority","name":"_authority","type":"address"},{"internalType":"address","name":"_accountant","type":"address"},{"internalType":"address","name":"_solver","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AtomicQueue__BadDiscount","type":"error"},{"inputs":[],"name":"AtomicQueue__BadUser","type":"error"},{"inputs":[],"name":"AtomicQueue__BadWhitelistDivisor","type":"error"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"address","name":"teller","type":"address"}],"name":"AtomicQueue__BoringVaultTellerMismatch","type":"error"},{"inputs":[],"name":"AtomicQueue__DeadlineExpired","type":"error"},{"inputs":[],"name":"AtomicQueue__DuplicateRequest","type":"error"},{"inputs":[{"internalType":"uint256","name":"expected","type":"uint256"},{"internalType":"uint256","name":"actual","type":"uint256"}],"name":"AtomicQueue__InstantWithdrawShortfall","type":"error"},{"inputs":[],"name":"AtomicQueue__InsufficientBalance","type":"error"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"required","type":"uint256"},{"internalType":"uint256","name":"available","type":"uint256"}],"name":"AtomicQueue__InsufficientBalanceInUserWallet","type":"error"},{"inputs":[{"internalType":"uint256","name":"required","type":"uint256"},{"internalType":"uint256","name":"available","type":"uint256"}],"name":"AtomicQueue__InsufficientVaultLiquidity","type":"error"},{"inputs":[],"name":"AtomicQueue__MinimumAssetsNotMet","type":"error"},{"inputs":[],"name":"AtomicQueue__OfferAddressIsZero","type":"error"},{"inputs":[],"name":"AtomicQueue__OfferAmountIsZero","type":"error"},{"inputs":[],"name":"AtomicQueue__RemovedRequest","type":"error"},{"inputs":[{"internalType":"address","name":"offer","type":"address"},{"internalType":"address","name":"vault","type":"address"}],"name":"AtomicQueue__RequestAccountantOfferMismatch","type":"error"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"AtomicQueue__RequestNotMature","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"AtomicQueue__UnauthorizedSolver","type":"error"},{"inputs":[],"name":"AtomicQueue__UserAddressIsZero","type":"error"},{"inputs":[],"name":"AtomicQueue__WantAddressIsZero","type":"error"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"AtomicQueue__ZeroOfferAmount","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"requestId","type":"bytes32"},{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"address","name":"offerToken","type":"address"},{"indexed":true,"internalType":"address","name":"wantToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"deadline","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"AtomicRequestCancelled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"requestId","type":"bytes32"},{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"address","name":"offerToken","type":"address"},{"indexed":true,"internalType":"address","name":"wantToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"offerAmountSpent","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"wantAmountReceived","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"AtomicRequestFulfilled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"requestId","type":"bytes32"},{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"address","name":"offerToken","type":"address"},{"indexed":true,"internalType":"address","name":"wantToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"deadline","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"AtomicRequestUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"contract 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AccountantWithRateProviders","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"addToWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"authority","outputs":[{"internalType":"contract Authority","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"uint64","name":"creationTime","type":"uint64"},{"internalType":"uint96","name":"offerAmount","type":"uint96"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"offer","type":"address"},{"internalType":"address","name":"want","type":"address"}],"internalType":"struct AtomicRequest","name":"userRequest","type":"tuple"}],"name":"cancelAtomicRequest","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"uint64","name":"creationTime","type":"uint64"},{"internalType":"uint96","name":"offerAmount","type":"uint96"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"offer","type":"address"},{"internalType":"address","name":"want","type":"address"}],"internalType":"struct AtomicRequest[]","name":"userRequests","type":"tuple[]"}],"name":"cancelAtomicRequestByAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"uint64","name":"creationTime","type":"uint64"},{"internalType":"uint96","name":"offerAmount","type":"uint96"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"offer","type":"address"},{"internalType":"address","name":"want","type":"address"}],"internalType":"struct AtomicRequest","name":"userRequest","type":"tuple"}],"name":"checkAtomicRequestValid","outputs":[],"stateMutability":"view","type":"function"},{"inputs":[],"name":"discount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"requestId","type":"bytes32"}],"name":"getAtomicRequestById","outputs":[{"components":[{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"uint64","name":"creationTime","type":"uint64"},{"internalType":"uint96","name":"offerAmount","type":"uint96"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"offer","type":"address"},{"internalType":"address","name":"want","type":"address"}],"internalType":"struct AtomicRequest","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getExistingWithdrawRequestIds","outputs":[{"internalType":"bytes32[]","name":"","type":"bytes32[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getExistingWithdrawRequests","outputs":[{"internalType":"bytes32[]","name":"requestIds","type":"bytes32[]"},{"components":[{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"uint64","name":"creationTime","type":"uint64"},{"internalType":"uint96","name":"offerAmount","type":"uint96"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"offer","type":"address"},{"internalType":"address","name":"want","type":"address"}],"internalType":"struct AtomicRequest[]","name":"requests","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getExistingWithdrawRequestsByUser","outputs":[{"internalType":"bytes32[]","name":"requestIds","type":"bytes32[]"},{"components":[{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"uint64","name":"creationTime","type":"uint64"},{"internalType":"uint96","name":"offerAmount","type":"uint96"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"offer","type":"address"},{"internalType":"address","name":"want","type":"address"}],"internalType":"struct AtomicRequest[]","name":"requests","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"offer","type":"address"},{"internalType":"address","name":"want","type":"address"}],"name":"getTotalWithdrawInProgressAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract ERC20","name":"offer","type":"address"},{"internalType":"contract ERC20","name":"want","type":"address"},{"internalType":"uint256","name":"offerAmount","type":"uint256"},{"internalType":"uint256","name":"minimumAssetsOut","type":"uint256"},{"internalType":"contract TellerWithMultiAssetSupport","name":"teller","type":"address"}],"name":"instantWithdraw","outputs":[{"internalType":"uint256","name":"assetsOut","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"maturityTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"uint64","name":"creationTime","type":"uint64"},{"internalType":"uint96","name":"offerAmount","type":"uint96"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"offer","type":"address"},{"internalType":"address","name":"want","type":"address"}],"internalType":"struct AtomicRequest","name":"request","type":"tuple"}],"name":"previewReceivedAmount","outputs":[{"internalType":"uint256","name":"wantAmountReceived","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"removeFromWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract Authority","name":"newAuthority","type":"address"}],"name":"setAuthority","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newDiscount","type":"uint256"}],"name":"setDiscount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newMaturityTime","type":"uint256"}],"name":"setMaturityTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newSolver","type":"address"}],"name":"setSolver","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"runData","type":"bytes"},{"components":[{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"uint64","name":"creationTime","type":"uint64"},{"internalType":"uint96","name":"offerAmount","type":"uint96"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"offer","type":"address"},{"internalType":"address","name":"want","type":"address"}],"internalType":"struct AtomicRequest","name":"request","type":"tuple"}],"name":"solve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"solver","outputs":[{"internalType":"contract IAtomicSolver","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"uint64","name":"creationTime","type":"uint64"},{"internalType":"uint96","name":"offerAmount","type":"uint96"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"offer","type":"address"},{"internalType":"address","name":"want","type":"address"}],"internalType":"struct AtomicRequest","name":"userRequest","type":"tuple"}],"name":"updateAtomicRequest","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newDivisor","type":"uint256"}],"name":"updateWhitelistMaturityDivisor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"whitelist","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"whitelistMaturityDivisor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"withdrawInProgressAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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0000000000000000000000008ab8aeef444aee718a275a8325795fe90cf162c400000000000000000000000058a6481706e4260ef50d362401c7f0357b13ab530000000000000000000000000427645bcea78a84a84efbc26d51f87176581cd90000000000000000000000001db629316b3fb6b026f9ebd5c379a72235a4d5e9

-----Decoded View---------------
Arg [0] : _owner (address): 0x8Ab8aEEf444AeE718A275a8325795FE90CF162c4
Arg [1] : _authority (address): 0x58A6481706E4260ef50D362401C7F0357b13AB53
Arg [2] : _accountant (address): 0x0427645BceA78A84A84eFBc26d51f87176581cd9
Arg [3] : _solver (address): 0x1DB629316B3fB6B026f9ebD5c379a72235a4d5E9

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000008ab8aeef444aee718a275a8325795fe90cf162c4
Arg [1] : 00000000000000000000000058a6481706e4260ef50d362401c7f0357b13ab53
Arg [2] : 0000000000000000000000000427645bcea78a84a84efbc26d51f87176581cd9
Arg [3] : 0000000000000000000000001db629316b3fb6b026f9ebd5c379a72235a4d5e9