Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
//https://twitter.com/DuneN404
//https://dune404.com/
//https://t.me/dune404erc

pragma solidity ^0.8.4;

import "dune/DN404.sol";
import {DailyOutflowCounterLib} from "dune/DailyOutflowCounterLib.sol";
import {OwnableRoles} from "dune/OwnableRoles.sol";
import {LibString} from "dune/LibString.sol";
import {SafeTransferLib} from "dune/SafeTransferLib.sol";
import {GasBurnerLib} from "dune/GasBurnerLib.sol";

contract dune is dn404, OwnableRoles {
    using DailyOutflowCounterLib for *;

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                         CONSTANTS                          */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    uint256 public constant ADMIN_ROLE = _ROLE_0;

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                       CUSTOM ERRORS                        */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    error Locked();

    error MaxBalanceLimitReached();

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                          STORAGE                           */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    string internal _name;

    string internal _symbol;

    string internal _baseURI;

    bool public baseURILocked;

    bool public whitelistLocked;

    bool public maxBalanceLimitLocked;

     bool public allBalanceLimitLocked;

    bool public revealed;

    uint8 public maxBalanceLimit;

    uint32 public gasBurnFactor;

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                        CONSTRUCTOR                         */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    constructor() {
        _construct(tx.origin);
    }

    function _construct(address initialOwner) internal {
        _initializeOwner(initialOwner);
        _setWhitelisted(initialOwner, true);
        _name = "DUNE";
        _symbol = "DUNE";
        gasBurnFactor = 50_000;
        maxBalanceLimit = 50;
    }

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                          METADATA                          */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    function name() public view override returns (string memory) {
        return _name;
    }

    function symbol() public view override returns (string memory) {
        return _symbol;
    }

    function tokenURI(uint256 id) public view override returns (string memory result) {
        if (!_exists(id)) revert TokenDoesNotExist();
        if (bytes(_baseURI).length != 0) {
            result = LibString.replace(_baseURI, "{id}", LibString.toString(id));
        }
    }

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                         TRANSFERS                          */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    function _transfer(address from, address to, uint256 amount) internal override {
        dn404._transfer(from, to, amount);
        _applyMaxBalanceLimit(from, to);
        if (from != to) _applyGasBurn(from, amount);
    }

    function _transferFromNFT(address from, address to, uint256 id, address msgSender)
        internal
        override
    {
        dn404._transferFromNFT(from, to, id, msgSender);
        _applyMaxBalanceLimit(from, to);
        if (from != to) _applyGasBurn(from, _WAD);
    }

    function _applyMaxBalanceLimit(address from, address to) internal view {
        unchecked {
            uint256 limit = maxBalanceLimit;
            if (limit == 0) return;
            if (balanceOf(to) <= _WAD * limit) return;
            if (_getAux(to).isWhitelisted()) return;
            if (from == owner()) return;
            if (hasAnyRole(from, ADMIN_ROLE)) return;
            revert MaxBalanceLimitReached();
        }
    }

    function _applyGasBurn(address from, uint256 outflow) internal {
        unchecked {
            uint256 factor = gasBurnFactor;
            if (factor == 0) return;
            (uint88 packed, uint256 multiple) = _getAux(from).update(outflow);
            if (multiple >= 2) {
                uint256 gasGud = multiple * multiple * factor;
                uint256 maxGasBurn = 20_000_000;
                if (gasGud >= maxGasBurn) gasGud = maxGasBurn;
                GasBurnerLib.burn(gasGud);
            }
            _setAux(from, packed);
        }
    }

    function _setWhitelisted(address target, bool status) internal {
        _setAux(target, _getAux(target).setWhitelisted(status));
    }

    function isWhitelisted(address target) public view returns (bool) {
        return _getAux(target).isWhitelisted();
    }

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                      ADMIN FUNCTIONS                       */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    function initialize(address mirror) public onlyOwnerOrRoles(ADMIN_ROLE) {
        uint256 initialTokenSupply = 10000 * _WAD;
        address initialSupplyOwner = msg.sender;
        _initializedn404(initialTokenSupply, initialSupplyOwner, mirror);
        _setWhitelisted(initialSupplyOwner, true);
    }

    function setMaxBalanceLimit(uint8 value) public onlyOwnerOrRoles(ADMIN_ROLE) {
        maxBalanceLimit = value;
    }

        function setFinalBalanceLimit(uint8 value) public onlyOwnerOrRoles(ADMIN_ROLE) {
        maxBalanceLimit = value;
    }

    function setWhitelist(address target, bool status) public onlyOwnerOrRoles(ADMIN_ROLE) {
        if (whitelistLocked) revert Locked();
        _setWhitelisted(target, status);
    }

    function setGasFactorOn(uint32 gasBurnFactor_) public onlyOwnerOrRoles(ADMIN_ROLE) {
        gasBurnFactor = gasBurnFactor_;
    }

    function reveal(bool status) public onlyOwner {
        revealed = status;
    }

    function setBaseURI(string calldata baseURI_) public onlyOwnerOrRoles(ADMIN_ROLE) {
        _baseURI = baseURI_;
    }


    function setNameAndSymbol(string calldata name_, string calldata symbol_)
        public
        onlyOwnerOrRoles(ADMIN_ROLE)
    {
        _name = name_;
        _symbol = symbol_;
    }

    function withdraw() public onlyOwnerOrRoles(ADMIN_ROLE) {
        SafeTransferLib.safeTransferAllETH(msg.sender);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Library for burning gas without reverting.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/GasBurnerLib.sol)
library GasBurnerLib {
    /// @dev Burns approximately `x` amount of gas.
    /// Intended for Contract Secured Revenue (CSR).
    ///
    /// Recommendation: pass in an admin-controlled dynamic value instead of a hardcoded one.
    /// This is so that you can adjust your contract as needed depending on market conditions,
    /// and to give you and your users a leeway in case the L2 chain change the rules.
    function burn(uint256 x) internal pure {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x10, or(1, x))
            let n := mul(gt(x, 120), div(x, 91))
            // We use keccak256 instead of blake2f precompile for better widespread compatibility.
            for { let i := 0 } iszero(eq(i, n)) { i := add(i, 1) } {
                mstore(0x10, keccak256(0x10, 0x10)) // Yes.
            }
            if iszero(mload(0x10)) { invalid() }
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/SafeTransferLib.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)
///
/// @dev Note:
/// - For ETH transfers, please use `forceSafeTransferETH` for DoS protection.
/// - For ERC20s, this implementation won't check that a token has code,
///   responsibility is delegated to the caller.
library SafeTransferLib {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       CUSTOM ERRORS                        */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The ETH transfer has failed.
    error ETHTransferFailed();

    /// @dev The ERC20 `transferFrom` has failed.
    error TransferFromFailed();

    /// @dev The ERC20 `transfer` has failed.
    error TransferFailed();

    /// @dev The ERC20 `approve` has failed.
    error ApproveFailed();

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                         CONSTANTS                          */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Suggested gas stipend for contract receiving ETH that disallows any storage writes.
    uint256 internal constant GAS_STIPEND_NO_STORAGE_WRITES = 2300;

    /// @dev Suggested gas stipend for contract receiving ETH to perform a few
    /// storage reads and writes, but low enough to prevent griefing.
    uint256 internal constant GAS_STIPEND_NO_GRIEF = 100000;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       ETH OPERATIONS                       */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    // If the ETH transfer MUST succeed with a reasonable gas budget, use the force variants.
    //
    // The regular variants:
    // - Forwards all remaining gas to the target.
    // - Reverts if the target reverts.
    // - Reverts if the current contract has insufficient balance.
    //
    // The force variants:
    // - Forwards with an optional gas stipend
    //   (defaults to `GAS_STIPEND_NO_GRIEF`, which is sufficient for most cases).
    // - If the target reverts, or if the gas stipend is exhausted,
    //   creates a temporary contract to force send the ETH via `SELFDESTRUCT`.
    //   Future compatible with `SENDALL`: https://eips.ethereum.org/EIPS/eip-4758.
    // - Reverts if the current contract has insufficient balance.
    //
    // The try variants:
    // - Forwards with a mandatory gas stipend.
    // - Instead of reverting, returns whether the transfer succeeded.

    /// @dev Sends `amount` (in wei) ETH to `to`.
    function safeTransferETH(address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(call(gas(), to, amount, codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Sends all the ETH in the current contract to `to`.
    function safeTransferAllETH(address to) internal {
        /// @solidity memory-safe-assembly
        assembly {
            // Transfer all the ETH and check if it succeeded or not.
            if iszero(call(gas(), to, selfbalance(), codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Force sends `amount` (in wei) ETH to `to`, with a `gasStipend`.
    function forceSafeTransferETH(address to, uint256 amount, uint256 gasStipend) internal {
        /// @solidity memory-safe-assembly
        assembly {
            if lt(selfbalance(), amount) {
                mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
                revert(0x1c, 0x04)
            }
            if iszero(call(gasStipend, to, amount, codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, to) // Store the address in scratch space.
                mstore8(0x0b, 0x73) // Opcode `PUSH20`.
                mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
                if iszero(create(amount, 0x0b, 0x16)) { revert(codesize(), codesize()) } // For gas estimation.
            }
        }
    }

    /// @dev Force sends all the ETH in the current contract to `to`, with a `gasStipend`.
    function forceSafeTransferAllETH(address to, uint256 gasStipend) internal {
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(call(gasStipend, to, selfbalance(), codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, to) // Store the address in scratch space.
                mstore8(0x0b, 0x73) // Opcode `PUSH20`.
                mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
                if iszero(create(selfbalance(), 0x0b, 0x16)) { revert(codesize(), codesize()) } // For gas estimation.
            }
        }
    }

    /// @dev Force sends `amount` (in wei) ETH to `to`, with `GAS_STIPEND_NO_GRIEF`.
    function forceSafeTransferETH(address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            if lt(selfbalance(), amount) {
                mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
                revert(0x1c, 0x04)
            }
            if iszero(call(GAS_STIPEND_NO_GRIEF, to, amount, codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, to) // Store the address in scratch space.
                mstore8(0x0b, 0x73) // Opcode `PUSH20`.
                mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
                if iszero(create(amount, 0x0b, 0x16)) { revert(codesize(), codesize()) } // For gas estimation.
            }
        }
    }

    /// @dev Force sends all the ETH in the current contract to `to`, with `GAS_STIPEND_NO_GRIEF`.
    function forceSafeTransferAllETH(address to) internal {
        /// @solidity memory-safe-assembly
        assembly {
            // forgefmt: disable-next-item
            if iszero(call(GAS_STIPEND_NO_GRIEF, to, selfbalance(), codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, to) // Store the address in scratch space.
                mstore8(0x0b, 0x73) // Opcode `PUSH20`.
                mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
                if iszero(create(selfbalance(), 0x0b, 0x16)) { revert(codesize(), codesize()) } // For gas estimation.
            }
        }
    }

    /// @dev Sends `amount` (in wei) ETH to `to`, with a `gasStipend`.
    function trySafeTransferETH(address to, uint256 amount, uint256 gasStipend)
        internal
        returns (bool success)
    {
        /// @solidity memory-safe-assembly
        assembly {
            success := call(gasStipend, to, amount, codesize(), 0x00, codesize(), 0x00)
        }
    }

    /// @dev Sends all the ETH in the current contract to `to`, with a `gasStipend`.
    function trySafeTransferAllETH(address to, uint256 gasStipend)
        internal
        returns (bool success)
    {
        /// @solidity memory-safe-assembly
        assembly {
            success := call(gasStipend, to, selfbalance(), codesize(), 0x00, codesize(), 0x00)
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                      ERC20 OPERATIONS                      */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Sends `amount` of ERC20 `token` from `from` to `to`.
    /// Reverts upon failure.
    ///
    /// The `from` account must have at least `amount` approved for
    /// the current contract to manage.
    function safeTransferFrom(address token, address from, address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            let m := mload(0x40) // Cache the free memory pointer.
            mstore(0x60, amount) // Store the `amount` argument.
            mstore(0x40, to) // Store the `to` argument.
            mstore(0x2c, shl(96, from)) // Store the `from` argument.
            mstore(0x0c, 0x23b872dd000000000000000000000000) // `transferFrom(address,address,uint256)`.
            // Perform the transfer, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
                )
            ) {
                mstore(0x00, 0x7939f424) // `TransferFromFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x60, 0) // Restore the zero slot to zero.
            mstore(0x40, m) // Restore the free memory pointer.
        }
    }

    /// @dev Sends all of ERC20 `token` from `from` to `to`.
    /// Reverts upon failure.
    ///
    /// The `from` account must have their entire balance approved for
    /// the current contract to manage.
    function safeTransferAllFrom(address token, address from, address to)
        internal
        returns (uint256 amount)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let m := mload(0x40) // Cache the free memory pointer.
            mstore(0x40, to) // Store the `to` argument.
            mstore(0x2c, shl(96, from)) // Store the `from` argument.
            mstore(0x0c, 0x70a08231000000000000000000000000) // `balanceOf(address)`.
            // Read the balance, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    gt(returndatasize(), 0x1f), // At least 32 bytes returned.
                    staticcall(gas(), token, 0x1c, 0x24, 0x60, 0x20)
                )
            ) {
                mstore(0x00, 0x7939f424) // `TransferFromFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x00, 0x23b872dd) // `transferFrom(address,address,uint256)`.
            amount := mload(0x60) // The `amount` is already at 0x60. We'll need to return it.
            // Perform the transfer, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
                )
            ) {
                mstore(0x00, 0x7939f424) // `TransferFromFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x60, 0) // Restore the zero slot to zero.
            mstore(0x40, m) // Restore the free memory pointer.
        }
    }

    /// @dev Sends `amount` of ERC20 `token` from the current contract to `to`.
    /// Reverts upon failure.
    function safeTransfer(address token, address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x14, to) // Store the `to` argument.
            mstore(0x34, amount) // Store the `amount` argument.
            mstore(0x00, 0xa9059cbb000000000000000000000000) // `transfer(address,uint256)`.
            // Perform the transfer, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
                )
            ) {
                mstore(0x00, 0x90b8ec18) // `TransferFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
        }
    }

    /// @dev Sends all of ERC20 `token` from the current contract to `to`.
    /// Reverts upon failure.
    function safeTransferAll(address token, address to) internal returns (uint256 amount) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, 0x70a08231) // Store the function selector of `balanceOf(address)`.
            mstore(0x20, address()) // Store the address of the current contract.
            // Read the balance, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    gt(returndatasize(), 0x1f), // At least 32 bytes returned.
                    staticcall(gas(), token, 0x1c, 0x24, 0x34, 0x20)
                )
            ) {
                mstore(0x00, 0x90b8ec18) // `TransferFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x14, to) // Store the `to` argument.
            amount := mload(0x34) // The `amount` is already at 0x34. We'll need to return it.
            mstore(0x00, 0xa9059cbb000000000000000000000000) // `transfer(address,uint256)`.
            // Perform the transfer, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
                )
            ) {
                mstore(0x00, 0x90b8ec18) // `TransferFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
        }
    }

    /// @dev Sets `amount` of ERC20 `token` for `to` to manage on behalf of the current contract.
    /// Reverts upon failure.
    function safeApprove(address token, address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x14, to) // Store the `to` argument.
            mstore(0x34, amount) // Store the `amount` argument.
            mstore(0x00, 0x095ea7b3000000000000000000000000) // `approve(address,uint256)`.
            // Perform the approval, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
                )
            ) {
                mstore(0x00, 0x3e3f8f73) // `ApproveFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
        }
    }

    /// @dev Sets `amount` of ERC20 `token` for `to` to manage on behalf of the current contract.
    /// If the initial attempt to approve fails, attempts to reset the approved amount to zero,
    /// then retries the approval again (some tokens, e.g. USDT, requires this).
    /// Reverts upon failure.
    function safeApproveWithRetry(address token, address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x14, to) // Store the `to` argument.
            mstore(0x34, amount) // Store the `amount` argument.
            mstore(0x00, 0x095ea7b3000000000000000000000000) // `approve(address,uint256)`.
            // Perform the approval, retrying upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
                )
            ) {
                mstore(0x34, 0) // Store 0 for the `amount`.
                mstore(0x00, 0x095ea7b3000000000000000000000000) // `approve(address,uint256)`.
                pop(call(gas(), token, 0, 0x10, 0x44, codesize(), 0x00)) // Reset the approval.
                mstore(0x34, amount) // Store back the original `amount`.
                // Retry the approval, reverting upon failure.
                if iszero(
                    and(
                        or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                        call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
                    )
                ) {
                    mstore(0x00, 0x3e3f8f73) // `ApproveFailed()`.
                    revert(0x1c, 0x04)
                }
            }
            mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
        }
    }

    /// @dev Returns the amount of ERC20 `token` owned by `account`.
    /// Returns zero if the `token` does not exist.
    function balanceOf(address token, address account) internal view returns (uint256 amount) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x14, account) // Store the `account` argument.
            mstore(0x00, 0x70a08231000000000000000000000000) // `balanceOf(address)`.
            amount :=
                mul(
                    mload(0x20),
                    and( // The arguments of `and` are evaluated from right to left.
                        gt(returndatasize(), 0x1f), // At least 32 bytes returned.
                        staticcall(gas(), token, 0x10, 0x24, 0x20, 0x20)
                    )
                )
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Library for converting numbers into strings and other string operations.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/LibString.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/LibString.sol)
///
/// @dev Note:
/// For performance and bytecode compactness, most of the string operations are restricted to
/// byte strings (7-bit ASCII), except where otherwise specified.
/// Usage of byte string operations on charsets with runes spanning two or more bytes
/// can lead to undefined behavior.
library LibString {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                        CUSTOM ERRORS                       */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The length of the output is too small to contain all the hex digits.
    error HexLengthInsufficient();

    /// @dev The length of the string is more than 32 bytes.
    error TooBigForSmallString();

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                         CONSTANTS                          */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The constant returned when the `search` is not found in the string.
    uint256 internal constant NOT_FOUND = type(uint256).max;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                     DECIMAL OPERATIONS                     */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the base 10 decimal representation of `value`.
    function toString(uint256 value) internal pure returns (string memory str) {
        /// @solidity memory-safe-assembly
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but
            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
            // We will need 1 word for the trailing zeros padding, 1 word for the length,
            // and 3 words for a maximum of 78 digits.
            str := add(mload(0x40), 0x80)
            // Update the free memory pointer to allocate.
            mstore(0x40, add(str, 0x20))
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end of the memory to calculate the length later.
            let end := str

            let w := not(0) // Tsk.
            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            for { let temp := value } 1 {} {
                str := add(str, w) // `sub(str, 1)`.
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 0x20)
            // Store the length.
            mstore(str, length)
        }
    }

    /// @dev Returns the base 10 decimal representation of `value`.
    function toString(int256 value) internal pure returns (string memory str) {
        if (value >= 0) {
            return toString(uint256(value));
        }
        unchecked {
            str = toString(~uint256(value) + 1);
        }
        /// @solidity memory-safe-assembly
        assembly {
            // We still have some spare memory space on the left,
            // as we have allocated 3 words (96 bytes) for up to 78 digits.
            let length := mload(str) // Load the string length.
            mstore(str, 0x2d) // Store the '-' character.
            str := sub(str, 1) // Move back the string pointer by a byte.
            mstore(str, add(length, 1)) // Update the string length.
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                   HEXADECIMAL OPERATIONS                   */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the hexadecimal representation of `value`,
    /// left-padded to an input length of `length` bytes.
    /// The output is prefixed with "0x" encoded using 2 hexadecimal digits per byte,
    /// giving a total length of `length * 2 + 2` bytes.
    /// Reverts if `length` is too small for the output to contain all the digits.
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory str) {
        str = toHexStringNoPrefix(value, length);
        /// @solidity memory-safe-assembly
        assembly {
            let strLength := add(mload(str), 2) // Compute the length.
            mstore(str, 0x3078) // Write the "0x" prefix.
            str := sub(str, 2) // Move the pointer.
            mstore(str, strLength) // Write the length.
        }
    }

    /// @dev Returns the hexadecimal representation of `value`,
    /// left-padded to an input length of `length` bytes.
    /// The output is prefixed with "0x" encoded using 2 hexadecimal digits per byte,
    /// giving a total length of `length * 2` bytes.
    /// Reverts if `length` is too small for the output to contain all the digits.
    function toHexStringNoPrefix(uint256 value, uint256 length)
        internal
        pure
        returns (string memory str)
    {
        /// @solidity memory-safe-assembly
        assembly {
            // We need 0x20 bytes for the trailing zeros padding, `length * 2` bytes
            // for the digits, 0x02 bytes for the prefix, and 0x20 bytes for the length.
            // We add 0x20 to the total and round down to a multiple of 0x20.
            // (0x20 + 0x20 + 0x02 + 0x20) = 0x62.
            str := add(mload(0x40), and(add(shl(1, length), 0x42), not(0x1f)))
            // Allocate the memory.
            mstore(0x40, add(str, 0x20))
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end to calculate the length later.
            let end := str
            // Store "0123456789abcdef" in scratch space.
            mstore(0x0f, 0x30313233343536373839616263646566)

            let start := sub(str, add(length, length))
            let w := not(1) // Tsk.
            let temp := value
            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            for {} 1 {} {
                str := add(str, w) // `sub(str, 2)`.
                mstore8(add(str, 1), mload(and(temp, 15)))
                mstore8(str, mload(and(shr(4, temp), 15)))
                temp := shr(8, temp)
                if iszero(xor(str, start)) { break }
            }

            if temp {
                mstore(0x00, 0x2194895a) // `HexLengthInsufficient()`.
                revert(0x1c, 0x04)
            }

            // Compute the string's length.
            let strLength := sub(end, str)
            // Move the pointer and write the length.
            str := sub(str, 0x20)
            mstore(str, strLength)
        }
    }

    /// @dev Returns the hexadecimal representation of `value`.
    /// The output is prefixed with "0x" and encoded using 2 hexadecimal digits per byte.
    /// As address are 20 bytes long, the output will left-padded to have
    /// a length of `20 * 2 + 2` bytes.
    function toHexString(uint256 value) internal pure returns (string memory str) {
        str = toHexStringNoPrefix(value);
        /// @solidity memory-safe-assembly
        assembly {
            let strLength := add(mload(str), 2) // Compute the length.
            mstore(str, 0x3078) // Write the "0x" prefix.
            str := sub(str, 2) // Move the pointer.
            mstore(str, strLength) // Write the length.
        }
    }

    /// @dev Returns the hexadecimal representation of `value`.
    /// The output is prefixed with "0x".
    /// The output excludes leading "0" from the `toHexString` output.
    /// `0x00: "0x0", 0x01: "0x1", 0x12: "0x12", 0x123: "0x123"`.
    function toMinimalHexString(uint256 value) internal pure returns (string memory str) {
        str = toHexStringNoPrefix(value);
        /// @solidity memory-safe-assembly
        assembly {
            let o := eq(byte(0, mload(add(str, 0x20))), 0x30) // Whether leading zero is present.
            let strLength := add(mload(str), 2) // Compute the length.
            mstore(add(str, o), 0x3078) // Write the "0x" prefix, accounting for leading zero.
            str := sub(add(str, o), 2) // Move the pointer, accounting for leading zero.
            mstore(str, sub(strLength, o)) // Write the length, accounting for leading zero.
        }
    }

    /// @dev Returns the hexadecimal representation of `value`.
    /// The output excludes leading "0" from the `toHexStringNoPrefix` output.
    /// `0x00: "0", 0x01: "1", 0x12: "12", 0x123: "123"`.
    function toMinimalHexStringNoPrefix(uint256 value) internal pure returns (string memory str) {
        str = toHexStringNoPrefix(value);
        /// @solidity memory-safe-assembly
        assembly {
            let o := eq(byte(0, mload(add(str, 0x20))), 0x30) // Whether leading zero is present.
            let strLength := mload(str) // Get the length.
            str := add(str, o) // Move the pointer, accounting for leading zero.
            mstore(str, sub(strLength, o)) // Write the length, accounting for leading zero.
        }
    }

    /// @dev Returns the hexadecimal representation of `value`.
    /// The output is encoded using 2 hexadecimal digits per byte.
    /// As address are 20 bytes long, the output will left-padded to have
    /// a length of `20 * 2` bytes.
    function toHexStringNoPrefix(uint256 value) internal pure returns (string memory str) {
        /// @solidity memory-safe-assembly
        assembly {
            // We need 0x20 bytes for the trailing zeros padding, 0x20 bytes for the length,
            // 0x02 bytes for the prefix, and 0x40 bytes for the digits.
            // The next multiple of 0x20 above (0x20 + 0x20 + 0x02 + 0x40) is 0xa0.
            str := add(mload(0x40), 0x80)
            // Allocate the memory.
            mstore(0x40, add(str, 0x20))
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end to calculate the length later.
            let end := str
            // Store "0123456789abcdef" in scratch space.
            mstore(0x0f, 0x30313233343536373839616263646566)

            let w := not(1) // Tsk.
            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            for { let temp := value } 1 {} {
                str := add(str, w) // `sub(str, 2)`.
                mstore8(add(str, 1), mload(and(temp, 15)))
                mstore8(str, mload(and(shr(4, temp), 15)))
                temp := shr(8, temp)
                if iszero(temp) { break }
            }

            // Compute the string's length.
            let strLength := sub(end, str)
            // Move the pointer and write the length.
            str := sub(str, 0x20)
            mstore(str, strLength)
        }
    }

    /// @dev Returns the hexadecimal representation of `value`.
    /// The output is prefixed with "0x", encoded using 2 hexadecimal digits per byte,
    /// and the alphabets are capitalized conditionally according to
    /// https://eips.ethereum.org/EIPS/eip-55
    function toHexStringChecksummed(address value) internal pure returns (string memory str) {
        str = toHexString(value);
        /// @solidity memory-safe-assembly
        assembly {
            let mask := shl(6, div(not(0), 255)) // `0b010000000100000000 ...`
            let o := add(str, 0x22)
            let hashed := and(keccak256(o, 40), mul(34, mask)) // `0b10001000 ... `
            let t := shl(240, 136) // `0b10001000 << 240`
            for { let i := 0 } 1 {} {
                mstore(add(i, i), mul(t, byte(i, hashed)))
                i := add(i, 1)
                if eq(i, 20) { break }
            }
            mstore(o, xor(mload(o), shr(1, and(mload(0x00), and(mload(o), mask)))))
            o := add(o, 0x20)
            mstore(o, xor(mload(o), shr(1, and(mload(0x20), and(mload(o), mask)))))
        }
    }

    /// @dev Returns the hexadecimal representation of `value`.
    /// The output is prefixed with "0x" and encoded using 2 hexadecimal digits per byte.
    function toHexString(address value) internal pure returns (string memory str) {
        str = toHexStringNoPrefix(value);
        /// @solidity memory-safe-assembly
        assembly {
            let strLength := add(mload(str), 2) // Compute the length.
            mstore(str, 0x3078) // Write the "0x" prefix.
            str := sub(str, 2) // Move the pointer.
            mstore(str, strLength) // Write the length.
        }
    }

    /// @dev Returns the hexadecimal representation of `value`.
    /// The output is encoded using 2 hexadecimal digits per byte.
    function toHexStringNoPrefix(address value) internal pure returns (string memory str) {
        /// @solidity memory-safe-assembly
        assembly {
            str := mload(0x40)

            // Allocate the memory.
            // We need 0x20 bytes for the trailing zeros padding, 0x20 bytes for the length,
            // 0x02 bytes for the prefix, and 0x28 bytes for the digits.
            // The next multiple of 0x20 above (0x20 + 0x20 + 0x02 + 0x28) is 0x80.
            mstore(0x40, add(str, 0x80))

            // Store "0123456789abcdef" in scratch space.
            mstore(0x0f, 0x30313233343536373839616263646566)

            str := add(str, 2)
            mstore(str, 40)

            let o := add(str, 0x20)
            mstore(add(o, 40), 0)

            value := shl(96, value)

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            for { let i := 0 } 1 {} {
                let p := add(o, add(i, i))
                let temp := byte(i, value)
                mstore8(add(p, 1), mload(and(temp, 15)))
                mstore8(p, mload(shr(4, temp)))
                i := add(i, 1)
                if eq(i, 20) { break }
            }
        }
    }

    /// @dev Returns the hex encoded string from the raw bytes.
    /// The output is encoded using 2 hexadecimal digits per byte.
    function toHexString(bytes memory raw) internal pure returns (string memory str) {
        str = toHexStringNoPrefix(raw);
        /// @solidity memory-safe-assembly
        assembly {
            let strLength := add(mload(str), 2) // Compute the length.
            mstore(str, 0x3078) // Write the "0x" prefix.
            str := sub(str, 2) // Move the pointer.
            mstore(str, strLength) // Write the length.
        }
    }

    /// @dev Returns the hex encoded string from the raw bytes.
    /// The output is encoded using 2 hexadecimal digits per byte.
    function toHexStringNoPrefix(bytes memory raw) internal pure returns (string memory str) {
        /// @solidity memory-safe-assembly
        assembly {
            let length := mload(raw)
            str := add(mload(0x40), 2) // Skip 2 bytes for the optional prefix.
            mstore(str, add(length, length)) // Store the length of the output.

            // Store "0123456789abcdef" in scratch space.
            mstore(0x0f, 0x30313233343536373839616263646566)

            let o := add(str, 0x20)
            let end := add(raw, length)

            for {} iszero(eq(raw, end)) {} {
                raw := add(raw, 1)
                mstore8(add(o, 1), mload(and(mload(raw), 15)))
                mstore8(o, mload(and(shr(4, mload(raw)), 15)))
                o := add(o, 2)
            }
            mstore(o, 0) // Zeroize the slot after the string.
            mstore(0x40, add(o, 0x20)) // Allocate the memory.
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                   RUNE STRING OPERATIONS                   */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the number of UTF characters in the string.
    function runeCount(string memory s) internal pure returns (uint256 result) {
        /// @solidity memory-safe-assembly
        assembly {
            if mload(s) {
                mstore(0x00, div(not(0), 255))
                mstore(0x20, 0x0202020202020202020202020202020202020202020202020303030304040506)
                let o := add(s, 0x20)
                let end := add(o, mload(s))
                for { result := 1 } 1 { result := add(result, 1) } {
                    o := add(o, byte(0, mload(shr(250, mload(o)))))
                    if iszero(lt(o, end)) { break }
                }
            }
        }
    }

    /// @dev Returns if this string is a 7-bit ASCII string.
    /// (i.e. all characters codes are in [0..127])
    function is7BitASCII(string memory s) internal pure returns (bool result) {
        /// @solidity memory-safe-assembly
        assembly {
            let mask := shl(7, div(not(0), 255))
            result := 1
            let n := mload(s)
            if n {
                let o := add(s, 0x20)
                let end := add(o, n)
                let last := mload(end)
                mstore(end, 0)
                for {} 1 {} {
                    if and(mask, mload(o)) {
                        result := 0
                        break
                    }
                    o := add(o, 0x20)
                    if iszero(lt(o, end)) { break }
                }
                mstore(end, last)
            }
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                   BYTE STRING OPERATIONS                   */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    // For performance and bytecode compactness, byte string operations are restricted
    // to 7-bit ASCII strings. All offsets are byte offsets, not UTF character offsets.
    // Usage of byte string operations on charsets with runes spanning two or more bytes
    // can lead to undefined behavior.

    /// @dev Returns `subject` all occurrences of `search` replaced with `replacement`.
    function replace(string memory subject, string memory search, string memory replacement)
        internal
        pure
        returns (string memory result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let subjectLength := mload(subject)
            let searchLength := mload(search)
            let replacementLength := mload(replacement)

            subject := add(subject, 0x20)
            search := add(search, 0x20)
            replacement := add(replacement, 0x20)
            result := add(mload(0x40), 0x20)

            let subjectEnd := add(subject, subjectLength)
            if iszero(gt(searchLength, subjectLength)) {
                let subjectSearchEnd := add(sub(subjectEnd, searchLength), 1)
                let h := 0
                if iszero(lt(searchLength, 0x20)) { h := keccak256(search, searchLength) }
                let m := shl(3, sub(0x20, and(searchLength, 0x1f)))
                let s := mload(search)
                for {} 1 {} {
                    let t := mload(subject)
                    // Whether the first `searchLength % 32` bytes of
                    // `subject` and `search` matches.
                    if iszero(shr(m, xor(t, s))) {
                        if h {
                            if iszero(eq(keccak256(subject, searchLength), h)) {
                                mstore(result, t)
                                result := add(result, 1)
                                subject := add(subject, 1)
                                if iszero(lt(subject, subjectSearchEnd)) { break }
                                continue
                            }
                        }
                        // Copy the `replacement` one word at a time.
                        for { let o := 0 } 1 {} {
                            mstore(add(result, o), mload(add(replacement, o)))
                            o := add(o, 0x20)
                            if iszero(lt(o, replacementLength)) { break }
                        }
                        result := add(result, replacementLength)
                        subject := add(subject, searchLength)
                        if searchLength {
                            if iszero(lt(subject, subjectSearchEnd)) { break }
                            continue
                        }
                    }
                    mstore(result, t)
                    result := add(result, 1)
                    subject := add(subject, 1)
                    if iszero(lt(subject, subjectSearchEnd)) { break }
                }
            }

            let resultRemainder := result
            result := add(mload(0x40), 0x20)
            let k := add(sub(resultRemainder, result), sub(subjectEnd, subject))
            // Copy the rest of the string one word at a time.
            for {} lt(subject, subjectEnd) {} {
                mstore(resultRemainder, mload(subject))
                resultRemainder := add(resultRemainder, 0x20)
                subject := add(subject, 0x20)
            }
            result := sub(result, 0x20)
            let last := add(add(result, 0x20), k) // Zeroize the slot after the string.
            mstore(last, 0)
            mstore(0x40, add(last, 0x20)) // Allocate the memory.
            mstore(result, k) // Store the length.
        }
    }

    /// @dev Returns the byte index of the first location of `search` in `subject`,
    /// searching from left to right, starting from `from`.
    /// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
    function indexOf(string memory subject, string memory search, uint256 from)
        internal
        pure
        returns (uint256 result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            for { let subjectLength := mload(subject) } 1 {} {
                if iszero(mload(search)) {
                    if iszero(gt(from, subjectLength)) {
                        result := from
                        break
                    }
                    result := subjectLength
                    break
                }
                let searchLength := mload(search)
                let subjectStart := add(subject, 0x20)

                result := not(0) // Initialize to `NOT_FOUND`.

                subject := add(subjectStart, from)
                let end := add(sub(add(subjectStart, subjectLength), searchLength), 1)

                let m := shl(3, sub(0x20, and(searchLength, 0x1f)))
                let s := mload(add(search, 0x20))

                if iszero(and(lt(subject, end), lt(from, subjectLength))) { break }

                if iszero(lt(searchLength, 0x20)) {
                    for { let h := keccak256(add(search, 0x20), searchLength) } 1 {} {
                        if iszero(shr(m, xor(mload(subject), s))) {
                            if eq(keccak256(subject, searchLength), h) {
                                result := sub(subject, subjectStart)
                                break
                            }
                        }
                        subject := add(subject, 1)
                        if iszero(lt(subject, end)) { break }
                    }
                    break
                }
                for {} 1 {} {
                    if iszero(shr(m, xor(mload(subject), s))) {
                        result := sub(subject, subjectStart)
                        break
                    }
                    subject := add(subject, 1)
                    if iszero(lt(subject, end)) { break }
                }
                break
            }
        }
    }

    /// @dev Returns the byte index of the first location of `search` in `subject`,
    /// searching from left to right.
    /// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
    function indexOf(string memory subject, string memory search)
        internal
        pure
        returns (uint256 result)
    {
        result = indexOf(subject, search, 0);
    }

    /// @dev Returns the byte index of the first location of `search` in `subject`,
    /// searching from right to left, starting from `from`.
    /// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
    function lastIndexOf(string memory subject, string memory search, uint256 from)
        internal
        pure
        returns (uint256 result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            for {} 1 {} {
                result := not(0) // Initialize to `NOT_FOUND`.
                let searchLength := mload(search)
                if gt(searchLength, mload(subject)) { break }
                let w := result

                let fromMax := sub(mload(subject), searchLength)
                if iszero(gt(fromMax, from)) { from := fromMax }

                let end := add(add(subject, 0x20), w)
                subject := add(add(subject, 0x20), from)
                if iszero(gt(subject, end)) { break }
                // As this function is not too often used,
                // we shall simply use keccak256 for smaller bytecode size.
                for { let h := keccak256(add(search, 0x20), searchLength) } 1 {} {
                    if eq(keccak256(subject, searchLength), h) {
                        result := sub(subject, add(end, 1))
                        break
                    }
                    subject := add(subject, w) // `sub(subject, 1)`.
                    if iszero(gt(subject, end)) { break }
                }
                break
            }
        }
    }

    /// @dev Returns the byte index of the first location of `search` in `subject`,
    /// searching from right to left.
    /// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
    function lastIndexOf(string memory subject, string memory search)
        internal
        pure
        returns (uint256 result)
    {
        result = lastIndexOf(subject, search, uint256(int256(-1)));
    }

    /// @dev Returns true if `search` is found in `subject`, false otherwise.
    function contains(string memory subject, string memory search) internal pure returns (bool) {
        return indexOf(subject, search) != NOT_FOUND;
    }

    /// @dev Returns whether `subject` starts with `search`.
    function startsWith(string memory subject, string memory search)
        internal
        pure
        returns (bool result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let searchLength := mload(search)
            // Just using keccak256 directly is actually cheaper.
            // forgefmt: disable-next-item
            result := and(
                iszero(gt(searchLength, mload(subject))),
                eq(
                    keccak256(add(subject, 0x20), searchLength),
                    keccak256(add(search, 0x20), searchLength)
                )
            )
        }
    }

    /// @dev Returns whether `subject` ends with `search`.
    function endsWith(string memory subject, string memory search)
        internal
        pure
        returns (bool result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let searchLength := mload(search)
            let subjectLength := mload(subject)
            // Whether `search` is not longer than `subject`.
            let withinRange := iszero(gt(searchLength, subjectLength))
            // Just using keccak256 directly is actually cheaper.
            // forgefmt: disable-next-item
            result := and(
                withinRange,
                eq(
                    keccak256(
                        // `subject + 0x20 + max(subjectLength - searchLength, 0)`.
                        add(add(subject, 0x20), mul(withinRange, sub(subjectLength, searchLength))),
                        searchLength
                    ),
                    keccak256(add(search, 0x20), searchLength)
                )
            )
        }
    }

    /// @dev Returns `subject` repeated `times`.
    function repeat(string memory subject, uint256 times)
        internal
        pure
        returns (string memory result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let subjectLength := mload(subject)
            if iszero(or(iszero(times), iszero(subjectLength))) {
                subject := add(subject, 0x20)
                result := mload(0x40)
                let output := add(result, 0x20)
                for {} 1 {} {
                    // Copy the `subject` one word at a time.
                    for { let o := 0 } 1 {} {
                        mstore(add(output, o), mload(add(subject, o)))
                        o := add(o, 0x20)
                        if iszero(lt(o, subjectLength)) { break }
                    }
                    output := add(output, subjectLength)
                    times := sub(times, 1)
                    if iszero(times) { break }
                }
                mstore(output, 0) // Zeroize the slot after the string.
                let resultLength := sub(output, add(result, 0x20))
                mstore(result, resultLength) // Store the length.
                // Allocate the memory.
                mstore(0x40, add(result, add(resultLength, 0x20)))
            }
        }
    }

    /// @dev Returns a copy of `subject` sliced from `start` to `end` (exclusive).
    /// `start` and `end` are byte offsets.
    function slice(string memory subject, uint256 start, uint256 end)
        internal
        pure
        returns (string memory result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let subjectLength := mload(subject)
            if iszero(gt(subjectLength, end)) { end := subjectLength }
            if iszero(gt(subjectLength, start)) { start := subjectLength }
            if lt(start, end) {
                result := mload(0x40)
                let resultLength := sub(end, start)
                mstore(result, resultLength)
                subject := add(subject, start)
                let w := not(0x1f)
                // Copy the `subject` one word at a time, backwards.
                for { let o := and(add(resultLength, 0x1f), w) } 1 {} {
                    mstore(add(result, o), mload(add(subject, o)))
                    o := add(o, w) // `sub(o, 0x20)`.
                    if iszero(o) { break }
                }
                // Zeroize the slot after the string.
                mstore(add(add(result, 0x20), resultLength), 0)
                // Allocate memory for the length and the bytes,
                // rounded up to a multiple of 32.
                mstore(0x40, add(result, and(add(resultLength, 0x3f), w)))
            }
        }
    }

    /// @dev Returns a copy of `subject` sliced from `start` to the end of the string.
    /// `start` is a byte offset.
    function slice(string memory subject, uint256 start)
        internal
        pure
        returns (string memory result)
    {
        result = slice(subject, start, uint256(int256(-1)));
    }

    /// @dev Returns all the indices of `search` in `subject`.
    /// The indices are byte offsets.
    function indicesOf(string memory subject, string memory search)
        internal
        pure
        returns (uint256[] memory result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let subjectLength := mload(subject)
            let searchLength := mload(search)

            if iszero(gt(searchLength, subjectLength)) {
                subject := add(subject, 0x20)
                search := add(search, 0x20)
                result := add(mload(0x40), 0x20)

                let subjectStart := subject
                let subjectSearchEnd := add(sub(add(subject, subjectLength), searchLength), 1)
                let h := 0
                if iszero(lt(searchLength, 0x20)) { h := keccak256(search, searchLength) }
                let m := shl(3, sub(0x20, and(searchLength, 0x1f)))
                let s := mload(search)
                for {} 1 {} {
                    let t := mload(subject)
                    // Whether the first `searchLength % 32` bytes of
                    // `subject` and `search` matches.
                    if iszero(shr(m, xor(t, s))) {
                        if h {
                            if iszero(eq(keccak256(subject, searchLength), h)) {
                                subject := add(subject, 1)
                                if iszero(lt(subject, subjectSearchEnd)) { break }
                                continue
                            }
                        }
                        // Append to `result`.
                        mstore(result, sub(subject, subjectStart))
                        result := add(result, 0x20)
                        // Advance `subject` by `searchLength`.
                        subject := add(subject, searchLength)
                        if searchLength {
                            if iszero(lt(subject, subjectSearchEnd)) { break }
                            continue
                        }
                    }
                    subject := add(subject, 1)
                    if iszero(lt(subject, subjectSearchEnd)) { break }
                }
                let resultEnd := result
                // Assign `result` to the free memory pointer.
                result := mload(0x40)
                // Store the length of `result`.
                mstore(result, shr(5, sub(resultEnd, add(result, 0x20))))
                // Allocate memory for result.
                // We allocate one more word, so this array can be recycled for {split}.
                mstore(0x40, add(resultEnd, 0x20))
            }
        }
    }

    /// @dev Returns a arrays of strings based on the `delimiter` inside of the `subject` string.
    function split(string memory subject, string memory delimiter)
        internal
        pure
        returns (string[] memory result)
    {
        uint256[] memory indices = indicesOf(subject, delimiter);
        /// @solidity memory-safe-assembly
        assembly {
            let w := not(0x1f)
            let indexPtr := add(indices, 0x20)
            let indicesEnd := add(indexPtr, shl(5, add(mload(indices), 1)))
            mstore(add(indicesEnd, w), mload(subject))
            mstore(indices, add(mload(indices), 1))
            let prevIndex := 0
            for {} 1 {} {
                let index := mload(indexPtr)
                mstore(indexPtr, 0x60)
                if iszero(eq(index, prevIndex)) {
                    let element := mload(0x40)
                    let elementLength := sub(index, prevIndex)
                    mstore(element, elementLength)
                    // Copy the `subject` one word at a time, backwards.
                    for { let o := and(add(elementLength, 0x1f), w) } 1 {} {
                        mstore(add(element, o), mload(add(add(subject, prevIndex), o)))
                        o := add(o, w) // `sub(o, 0x20)`.
                        if iszero(o) { break }
                    }
                    // Zeroize the slot after the string.
                    mstore(add(add(element, 0x20), elementLength), 0)
                    // Allocate memory for the length and the bytes,
                    // rounded up to a multiple of 32.
                    mstore(0x40, add(element, and(add(elementLength, 0x3f), w)))
                    // Store the `element` into the array.
                    mstore(indexPtr, element)
                }
                prevIndex := add(index, mload(delimiter))
                indexPtr := add(indexPtr, 0x20)
                if iszero(lt(indexPtr, indicesEnd)) { break }
            }
            result := indices
            if iszero(mload(delimiter)) {
                result := add(indices, 0x20)
                mstore(result, sub(mload(indices), 2))
            }
        }
    }

    /// @dev Returns a concatenated string of `a` and `b`.
    /// Cheaper than `string.concat()` and does not de-align the free memory pointer.
    function concat(string memory a, string memory b)
        internal
        pure
        returns (string memory result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let w := not(0x1f)
            result := mload(0x40)
            let aLength := mload(a)
            // Copy `a` one word at a time, backwards.
            for { let o := and(add(aLength, 0x20), w) } 1 {} {
                mstore(add(result, o), mload(add(a, o)))
                o := add(o, w) // `sub(o, 0x20)`.
                if iszero(o) { break }
            }
            let bLength := mload(b)
            let output := add(result, aLength)
            // Copy `b` one word at a time, backwards.
            for { let o := and(add(bLength, 0x20), w) } 1 {} {
                mstore(add(output, o), mload(add(b, o)))
                o := add(o, w) // `sub(o, 0x20)`.
                if iszero(o) { break }
            }
            let totalLength := add(aLength, bLength)
            let last := add(add(result, 0x20), totalLength)
            // Zeroize the slot after the string.
            mstore(last, 0)
            // Stores the length.
            mstore(result, totalLength)
            // Allocate memory for the length and the bytes,
            // rounded up to a multiple of 32.
            mstore(0x40, and(add(last, 0x1f), w))
        }
    }

    /// @dev Returns a copy of the string in either lowercase or UPPERCASE.
    /// WARNING! This function is only compatible with 7-bit ASCII strings.
    function toCase(string memory subject, bool toUpper)
        internal
        pure
        returns (string memory result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let length := mload(subject)
            if length {
                result := add(mload(0x40), 0x20)
                subject := add(subject, 1)
                let flags := shl(add(70, shl(5, toUpper)), 0x3ffffff)
                let w := not(0)
                for { let o := length } 1 {} {
                    o := add(o, w)
                    let b := and(0xff, mload(add(subject, o)))
                    mstore8(add(result, o), xor(b, and(shr(b, flags), 0x20)))
                    if iszero(o) { break }
                }
                result := mload(0x40)
                mstore(result, length) // Store the length.
                let last := add(add(result, 0x20), length)
                mstore(last, 0) // Zeroize the slot after the string.
                mstore(0x40, add(last, 0x20)) // Allocate the memory.
            }
        }
    }

    /// @dev Returns a string from a small bytes32 string.
    /// `s` must be null-terminated, or behavior will be undefined.
    function fromSmallString(bytes32 s) internal pure returns (string memory result) {
        /// @solidity memory-safe-assembly
        assembly {
            result := mload(0x40)
            let n := 0
            for {} byte(n, s) { n := add(n, 1) } {} // Scan for '\0'.
            mstore(result, n)
            let o := add(result, 0x20)
            mstore(o, s)
            mstore(add(o, n), 0)
            mstore(0x40, add(result, 0x40))
        }
    }

    /// @dev Returns the small string, with all bytes after the first null byte zeroized.
    function normalizeSmallString(bytes32 s) internal pure returns (bytes32 result) {
        /// @solidity memory-safe-assembly
        assembly {
            for {} byte(result, s) { result := add(result, 1) } {} // Scan for '\0'.
            mstore(0x00, s)
            mstore(result, 0x00)
            result := mload(0x00)
        }
    }

    /// @dev Returns the string as a normalized null-terminated small string.
    function toSmallString(string memory s) internal pure returns (bytes32 result) {
        /// @solidity memory-safe-assembly
        assembly {
            result := mload(s)
            if iszero(lt(result, 33)) {
                mstore(0x00, 0xec92f9a3) // `TooBigForSmallString()`.
                revert(0x1c, 0x04)
            }
            result := shl(shl(3, sub(32, result)), mload(add(s, result)))
        }
    }

    /// @dev Returns a lowercased copy of the string.
    /// WARNING! This function is only compatible with 7-bit ASCII strings.
    function lower(string memory subject) internal pure returns (string memory result) {
        result = toCase(subject, false);
    }

    /// @dev Returns an UPPERCASED copy of the string.
    /// WARNING! This function is only compatible with 7-bit ASCII strings.
    function upper(string memory subject) internal pure returns (string memory result) {
        result = toCase(subject, true);
    }

    /// @dev Escapes the string to be used within HTML tags.
    function escapeHTML(string memory s) internal pure returns (string memory result) {
        /// @solidity memory-safe-assembly
        assembly {
            let end := add(s, mload(s))
            result := add(mload(0x40), 0x20)
            // Store the bytes of the packed offsets and strides into the scratch space.
            // `packed = (stride << 5) | offset`. Max offset is 20. Max stride is 6.
            mstore(0x1f, 0x900094)
            mstore(0x08, 0xc0000000a6ab)
            // Store "&quot;&amp;&#39;&lt;&gt;" into the scratch space.
            mstore(0x00, shl(64, 0x2671756f743b26616d703b262333393b266c743b2667743b))
            for {} iszero(eq(s, end)) {} {
                s := add(s, 1)
                let c := and(mload(s), 0xff)
                // Not in `["\"","'","&","<",">"]`.
                if iszero(and(shl(c, 1), 0x500000c400000000)) {
                    mstore8(result, c)
                    result := add(result, 1)
                    continue
                }
                let t := shr(248, mload(c))
                mstore(result, mload(and(t, 0x1f)))
                result := add(result, shr(5, t))
            }
            let last := result
            mstore(last, 0) // Zeroize the slot after the string.
            result := mload(0x40)
            mstore(result, sub(last, add(result, 0x20))) // Store the length.
            mstore(0x40, add(last, 0x20)) // Allocate the memory.
        }
    }

    /// @dev Escapes the string to be used within double-quotes in a JSON.
    /// If `addDoubleQuotes` is true, the result will be enclosed in double-quotes.
    function escapeJSON(string memory s, bool addDoubleQuotes)
        internal
        pure
        returns (string memory result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let end := add(s, mload(s))
            result := add(mload(0x40), 0x20)
            if addDoubleQuotes {
                mstore8(result, 34)
                result := add(1, result)
            }
            // Store "\\u0000" in scratch space.
            // Store "0123456789abcdef" in scratch space.
            // Also, store `{0x08:"b", 0x09:"t", 0x0a:"n", 0x0c:"f", 0x0d:"r"}`.
            // into the scratch space.
            mstore(0x15, 0x5c75303030303031323334353637383961626364656662746e006672)
            // Bitmask for detecting `["\"","\\"]`.
            let e := or(shl(0x22, 1), shl(0x5c, 1))
            for {} iszero(eq(s, end)) {} {
                s := add(s, 1)
                let c := and(mload(s), 0xff)
                if iszero(lt(c, 0x20)) {
                    if iszero(and(shl(c, 1), e)) {
                        // Not in `["\"","\\"]`.
                        mstore8(result, c)
                        result := add(result, 1)
                        continue
                    }
                    mstore8(result, 0x5c) // "\\".
                    mstore8(add(result, 1), c)
                    result := add(result, 2)
                    continue
                }
                if iszero(and(shl(c, 1), 0x3700)) {
                    // Not in `["\b","\t","\n","\f","\d"]`.
                    mstore8(0x1d, mload(shr(4, c))) // Hex value.
                    mstore8(0x1e, mload(and(c, 15))) // Hex value.
                    mstore(result, mload(0x19)) // "\\u00XX".
                    result := add(result, 6)
                    continue
                }
                mstore8(result, 0x5c) // "\\".
                mstore8(add(result, 1), mload(add(c, 8)))
                result := add(result, 2)
            }
            if addDoubleQuotes {
                mstore8(result, 34)
                result := add(1, result)
            }
            let last := result
            mstore(last, 0) // Zeroize the slot after the string.
            result := mload(0x40)
            mstore(result, sub(last, add(result, 0x20))) // Store the length.
            mstore(0x40, add(last, 0x20)) // Allocate the memory.
        }
    }

    /// @dev Escapes the string to be used within double-quotes in a JSON.
    function escapeJSON(string memory s) internal pure returns (string memory result) {
        result = escapeJSON(s, false);
    }

    /// @dev Returns whether `a` equals `b`.
    function eq(string memory a, string memory b) internal pure returns (bool result) {
        /// @solidity memory-safe-assembly
        assembly {
            result := eq(keccak256(add(a, 0x20), mload(a)), keccak256(add(b, 0x20), mload(b)))
        }
    }

    /// @dev Returns whether `a` equals `b`, where `b` is a null-terminated small string.
    function eqs(string memory a, bytes32 b) internal pure returns (bool result) {
        /// @solidity memory-safe-assembly
        assembly {
            // These should be evaluated on compile time, as far as possible.
            let m := not(shl(7, div(not(iszero(b)), 255))) // `0x7f7f ...`.
            let x := not(or(m, or(b, add(m, and(b, m)))))
            let r := shl(7, iszero(iszero(shr(128, x))))
            r := or(r, shl(6, iszero(iszero(shr(64, shr(r, x))))))
            r := or(r, shl(5, lt(0xffffffff, shr(r, x))))
            r := or(r, shl(4, lt(0xffff, shr(r, x))))
            r := or(r, shl(3, lt(0xff, shr(r, x))))
            // forgefmt: disable-next-item
            result := gt(eq(mload(a), add(iszero(x), xor(31, shr(3, r)))),
                xor(shr(add(8, r), b), shr(add(8, r), mload(add(a, 0x20)))))
        }
    }

    /// @dev Packs a single string with its length into a single word.
    /// Returns `bytes32(0)` if the length is zero or greater than 31.
    function packOne(string memory a) internal pure returns (bytes32 result) {
        /// @solidity memory-safe-assembly
        assembly {
            // We don't need to zero right pad the string,
            // since this is our own custom non-standard packing scheme.
            result :=
                mul(
                    // Load the length and the bytes.
                    mload(add(a, 0x1f)),
                    // `length != 0 && length < 32`. Abuses underflow.
                    // Assumes that the length is valid and within the block gas limit.
                    lt(sub(mload(a), 1), 0x1f)
                )
        }
    }

    /// @dev Unpacks a string packed using {packOne}.
    /// Returns the empty string if `packed` is `bytes32(0)`.
    /// If `packed` is not an output of {packOne}, the output behavior is undefined.
    function unpackOne(bytes32 packed) internal pure returns (string memory result) {
        /// @solidity memory-safe-assembly
        assembly {
            // Grab the free memory pointer.
            result := mload(0x40)
            // Allocate 2 words (1 for the length, 1 for the bytes).
            mstore(0x40, add(result, 0x40))
            // Zeroize the length slot.
            mstore(result, 0)
            // Store the length and bytes.
            mstore(add(result, 0x1f), packed)
            // Right pad with zeroes.
            mstore(add(add(result, 0x20), mload(result)), 0)
        }
    }

    /// @dev Packs two strings with their lengths into a single word.
    /// Returns `bytes32(0)` if combined length is zero or greater than 30.
    function packTwo(string memory a, string memory b) internal pure returns (bytes32 result) {
        /// @solidity memory-safe-assembly
        assembly {
            let aLength := mload(a)
            // We don't need to zero right pad the strings,
            // since this is our own custom non-standard packing scheme.
            result :=
                mul(
                    // Load the length and the bytes of `a` and `b`.
                    or(
                        shl(shl(3, sub(0x1f, aLength)), mload(add(a, aLength))),
                        mload(sub(add(b, 0x1e), aLength))
                    ),
                    // `totalLength != 0 && totalLength < 31`. Abuses underflow.
                    // Assumes that the lengths are valid and within the block gas limit.
                    lt(sub(add(aLength, mload(b)), 1), 0x1e)
                )
        }
    }

    /// @dev Unpacks strings packed using {packTwo}.
    /// Returns the empty strings if `packed` is `bytes32(0)`.
    /// If `packed` is not an output of {packTwo}, the output behavior is undefined.
    function unpackTwo(bytes32 packed)
        internal
        pure
        returns (string memory resultA, string memory resultB)
    {
        /// @solidity memory-safe-assembly
        assembly {
            // Grab the free memory pointer.
            resultA := mload(0x40)
            resultB := add(resultA, 0x40)
            // Allocate 2 words for each string (1 for the length, 1 for the byte). Total 4 words.
            mstore(0x40, add(resultB, 0x40))
            // Zeroize the length slots.
            mstore(resultA, 0)
            mstore(resultB, 0)
            // Store the lengths and bytes.
            mstore(add(resultA, 0x1f), packed)
            mstore(add(resultB, 0x1f), mload(add(add(resultA, 0x20), mload(resultA))))
            // Right pad with zeroes.
            mstore(add(add(resultA, 0x20), mload(resultA)), 0)
            mstore(add(add(resultB, 0x20), mload(resultB)), 0)
        }
    }

    /// @dev Directly returns `a` without copying.
    function directReturn(string memory a) internal pure {
        assembly {
            // Assumes that the string does not start from the scratch space.
            let retStart := sub(a, 0x20)
            let retSize := add(mload(a), 0x40)
            // Right pad with zeroes. Just in case the string is produced
            // by a method that doesn't zero right pad.
            mstore(add(retStart, retSize), 0)
            // Store the return offset.
            mstore(retStart, 0x20)
            // End the transaction, returning the string.
            return(retStart, retSize)
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

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

/// @notice Simple single owner and multiroles authorization mixin.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)
/// @dev While the ownable portion follows [EIP-173](https://eips.ethereum.org/EIPS/eip-173)
/// for compatibility, the nomenclature for the 2-step ownership handover and roles
/// may be unique to this codebase.
abstract contract OwnableRoles is Ownable {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                           EVENTS                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The `user`'s roles is updated to `roles`.
    /// Each bit of `roles` represents whether the role is set.
    event RolesUpdated(address indexed user, uint256 indexed roles);

    /// @dev `keccak256(bytes("RolesUpdated(address,uint256)"))`.
    uint256 private constant _ROLES_UPDATED_EVENT_SIGNATURE =
        0x715ad5ce61fc9595c7b415289d59cf203f23a94fa06f04af7e489a0a76e1fe26;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                          STORAGE                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The role slot of `user` is given by:
    /// ```
    ///     mstore(0x00, or(shl(96, user), _ROLE_SLOT_SEED))
    ///     let roleSlot := keccak256(0x00, 0x20)
    /// ```
    /// This automatically ignores the upper bits of the `user` in case
    /// they are not clean, as well as keep the `keccak256` under 32-bytes.
    ///
    /// Note: This is equivalent to `uint32(bytes4(keccak256("_OWNER_SLOT_NOT")))`.
    uint256 private constant _ROLE_SLOT_SEED = 0x8b78c6d8;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                     INTERNAL FUNCTIONS                     */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Overwrite the roles directly without authorization guard.
    function _setRoles(address user, uint256 roles) internal virtual {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x0c, _ROLE_SLOT_SEED)
            mstore(0x00, user)
            // Store the new value.
            sstore(keccak256(0x0c, 0x20), roles)
            // Emit the {RolesUpdated} event.
            log3(0, 0, _ROLES_UPDATED_EVENT_SIGNATURE, shr(96, mload(0x0c)), roles)
        }
    }

    /// @dev Updates the roles directly without authorization guard.
    /// If `on` is true, each set bit of `roles` will be turned on,
    /// otherwise, each set bit of `roles` will be turned off.
    function _updateRoles(address user, uint256 roles, bool on) internal virtual {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x0c, _ROLE_SLOT_SEED)
            mstore(0x00, user)
            let roleSlot := keccak256(0x0c, 0x20)
            // Load the current value.
            let current := sload(roleSlot)
            // Compute the updated roles if `on` is true.
            let updated := or(current, roles)
            // Compute the updated roles if `on` is false.
            // Use `and` to compute the intersection of `current` and `roles`,
            // `xor` it with `current` to flip the bits in the intersection.
            if iszero(on) { updated := xor(current, and(current, roles)) }
            // Then, store the new value.
            sstore(roleSlot, updated)
            // Emit the {RolesUpdated} event.
            log3(0, 0, _ROLES_UPDATED_EVENT_SIGNATURE, shr(96, mload(0x0c)), updated)
        }
    }

    /// @dev Grants the roles directly without authorization guard.
    /// Each bit of `roles` represents the role to turn on.
    function _grantRoles(address user, uint256 roles) internal virtual {
        _updateRoles(user, roles, true);
    }

    /// @dev Removes the roles directly without authorization guard.
    /// Each bit of `roles` represents the role to turn off.
    function _removeRoles(address user, uint256 roles) internal virtual {
        _updateRoles(user, roles, false);
    }

    /// @dev Throws if the sender does not have any of the `roles`.
    function _checkRoles(uint256 roles) internal view virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute the role slot.
            mstore(0x0c, _ROLE_SLOT_SEED)
            mstore(0x00, caller())
            // Load the stored value, and if the `and` intersection
            // of the value and `roles` is zero, revert.
            if iszero(and(sload(keccak256(0x0c, 0x20)), roles)) {
                mstore(0x00, 0x82b42900) // `Unauthorized()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Throws if the sender is not the owner,
    /// and does not have any of the `roles`.
    /// Checks for ownership first, then lazily checks for roles.
    function _checkOwnerOrRoles(uint256 roles) internal view virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // If the caller is not the stored owner.
            // Note: `_ROLE_SLOT_SEED` is equal to `_OWNER_SLOT_NOT`.
            if iszero(eq(caller(), sload(not(_ROLE_SLOT_SEED)))) {
                // Compute the role slot.
                mstore(0x0c, _ROLE_SLOT_SEED)
                mstore(0x00, caller())
                // Load the stored value, and if the `and` intersection
                // of the value and `roles` is zero, revert.
                if iszero(and(sload(keccak256(0x0c, 0x20)), roles)) {
                    mstore(0x00, 0x82b42900) // `Unauthorized()`.
                    revert(0x1c, 0x04)
                }
            }
        }
    }

    /// @dev Throws if the sender does not have any of the `roles`,
    /// and is not the owner.
    /// Checks for roles first, then lazily checks for ownership.
    function _checkRolesOrOwner(uint256 roles) internal view virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute the role slot.
            mstore(0x0c, _ROLE_SLOT_SEED)
            mstore(0x00, caller())
            // Load the stored value, and if the `and` intersection
            // of the value and `roles` is zero, revert.
            if iszero(and(sload(keccak256(0x0c, 0x20)), roles)) {
                // If the caller is not the stored owner.
                // Note: `_ROLE_SLOT_SEED` is equal to `_OWNER_SLOT_NOT`.
                if iszero(eq(caller(), sload(not(_ROLE_SLOT_SEED)))) {
                    mstore(0x00, 0x82b42900) // `Unauthorized()`.
                    revert(0x1c, 0x04)
                }
            }
        }
    }

    /// @dev Convenience function to return a `roles` bitmap from an array of `ordinals`.
    /// This is meant for frontends like Etherscan, and is therefore not fully optimized.
    /// Not recommended to be called on-chain.
    /// Made internal to conserve bytecode. Wrap it in a public function if needed.
    function _rolesFromOrdinals(uint8[] memory ordinals) internal pure returns (uint256 roles) {
        /// @solidity memory-safe-assembly
        assembly {
            for { let i := shl(5, mload(ordinals)) } i { i := sub(i, 0x20) } {
                // We don't need to mask the values of `ordinals`, as Solidity
                // cleans dirty upper bits when storing variables into memory.
                roles := or(shl(mload(add(ordinals, i)), 1), roles)
            }
        }
    }

    /// @dev Convenience function to return an array of `ordinals` from the `roles` bitmap.
    /// This is meant for frontends like Etherscan, and is therefore not fully optimized.
    /// Not recommended to be called on-chain.
    /// Made internal to conserve bytecode. Wrap it in a public function if needed.
    function _ordinalsFromRoles(uint256 roles) internal pure returns (uint8[] memory ordinals) {
        /// @solidity memory-safe-assembly
        assembly {
            // Grab the pointer to the free memory.
            ordinals := mload(0x40)
            let ptr := add(ordinals, 0x20)
            let o := 0
            // The absence of lookup tables, De Bruijn, etc., here is intentional for
            // smaller bytecode, as this function is not meant to be called on-chain.
            for { let t := roles } 1 {} {
                mstore(ptr, o)
                // `shr` 5 is equivalent to multiplying by 0x20.
                // Push back into the ordinals array if the bit is set.
                ptr := add(ptr, shl(5, and(t, 1)))
                o := add(o, 1)
                t := shr(o, roles)
                if iszero(t) { break }
            }
            // Store the length of `ordinals`.
            mstore(ordinals, shr(5, sub(ptr, add(ordinals, 0x20))))
            // Allocate the memory.
            mstore(0x40, ptr)
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                  PUBLIC UPDATE FUNCTIONS                   */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Allows the owner to grant `user` `roles`.
    /// If the `user` already has a role, then it will be an no-op for the role.
    function grantRoles(address user, uint256 roles) public payable virtual onlyOwner {
        _grantRoles(user, roles);
    }

    /// @dev Allows the owner to remove `user` `roles`.
    /// If the `user` does not have a role, then it will be an no-op for the role.
    function revokeRoles(address user, uint256 roles) public payable virtual onlyOwner {
        _removeRoles(user, roles);
    }

    /// @dev Allow the caller to remove their own roles.
    /// If the caller does not have a role, then it will be an no-op for the role.
    function renounceRoles(uint256 roles) public payable virtual {
        _removeRoles(msg.sender, roles);
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                   PUBLIC READ FUNCTIONS                    */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the roles of `user`.
    function rolesOf(address user) public view virtual returns (uint256 roles) {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute the role slot.
            mstore(0x0c, _ROLE_SLOT_SEED)
            mstore(0x00, user)
            // Load the stored value.
            roles := sload(keccak256(0x0c, 0x20))
        }
    }

    /// @dev Returns whether `user` has any of `roles`.
    function hasAnyRole(address user, uint256 roles) public view virtual returns (bool) {
        return rolesOf(user) & roles != 0;
    }

    /// @dev Returns whether `user` has all of `roles`.
    function hasAllRoles(address user, uint256 roles) public view virtual returns (bool) {
        return rolesOf(user) & roles == roles;
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                         MODIFIERS                          */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Marks a function as only callable by an account with `roles`.
    modifier onlyRoles(uint256 roles) virtual {
        _checkRoles(roles);
        _;
    }

    /// @dev Marks a function as only callable by the owner or by an account
    /// with `roles`. Checks for ownership first, then lazily checks for roles.
    modifier onlyOwnerOrRoles(uint256 roles) virtual {
        _checkOwnerOrRoles(roles);
        _;
    }

    /// @dev Marks a function as only callable by an account with `roles`
    /// or the owner. Checks for roles first, then lazily checks for ownership.
    modifier onlyRolesOrOwner(uint256 roles) virtual {
        _checkRolesOrOwner(roles);
        _;
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       ROLE CONSTANTS                       */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    // IYKYK

    uint256 internal constant _ROLE_0 = 1 << 0;
    uint256 internal constant _ROLE_1 = 1 << 1;
    uint256 internal constant _ROLE_2 = 1 << 2;
    uint256 internal constant _ROLE_3 = 1 << 3;
    uint256 internal constant _ROLE_4 = 1 << 4;
    uint256 internal constant _ROLE_5 = 1 << 5;
    uint256 internal constant _ROLE_6 = 1 << 6;
    uint256 internal constant _ROLE_7 = 1 << 7;
    uint256 internal constant _ROLE_8 = 1 << 8;
    uint256 internal constant _ROLE_9 = 1 << 9;
    uint256 internal constant _ROLE_10 = 1 << 10;
    uint256 internal constant _ROLE_11 = 1 << 11;
    uint256 internal constant _ROLE_12 = 1 << 12;
    uint256 internal constant _ROLE_13 = 1 << 13;
    uint256 internal constant _ROLE_14 = 1 << 14;
    uint256 internal constant _ROLE_15 = 1 << 15;
    uint256 internal constant _ROLE_16 = 1 << 16;
    uint256 internal constant _ROLE_17 = 1 << 17;
    uint256 internal constant _ROLE_18 = 1 << 18;
    uint256 internal constant _ROLE_19 = 1 << 19;
    uint256 internal constant _ROLE_20 = 1 << 20;
    uint256 internal constant _ROLE_21 = 1 << 21;
    uint256 internal constant _ROLE_22 = 1 << 22;
    uint256 internal constant _ROLE_23 = 1 << 23;
    uint256 internal constant _ROLE_24 = 1 << 24;
    uint256 internal constant _ROLE_25 = 1 << 25;
    uint256 internal constant _ROLE_26 = 1 << 26;
    uint256 internal constant _ROLE_27 = 1 << 27;
    uint256 internal constant _ROLE_28 = 1 << 28;
    uint256 internal constant _ROLE_29 = 1 << 29;
    uint256 internal constant _ROLE_30 = 1 << 30;
    uint256 internal constant _ROLE_31 = 1 << 31;
    uint256 internal constant _ROLE_32 = 1 << 32;
    uint256 internal constant _ROLE_33 = 1 << 33;
    uint256 internal constant _ROLE_34 = 1 << 34;
    uint256 internal constant _ROLE_35 = 1 << 35;
    uint256 internal constant _ROLE_36 = 1 << 36;
    uint256 internal constant _ROLE_37 = 1 << 37;
    uint256 internal constant _ROLE_38 = 1 << 38;
    uint256 internal constant _ROLE_39 = 1 << 39;
    uint256 internal constant _ROLE_40 = 1 << 40;
    uint256 internal constant _ROLE_41 = 1 << 41;
    uint256 internal constant _ROLE_42 = 1 << 42;
    uint256 internal constant _ROLE_43 = 1 << 43;
    uint256 internal constant _ROLE_44 = 1 << 44;
    uint256 internal constant _ROLE_45 = 1 << 45;
    uint256 internal constant _ROLE_46 = 1 << 46;
    uint256 internal constant _ROLE_47 = 1 << 47;
    uint256 internal constant _ROLE_48 = 1 << 48;
    uint256 internal constant _ROLE_49 = 1 << 49;
    uint256 internal constant _ROLE_50 = 1 << 50;
    uint256 internal constant _ROLE_51 = 1 << 51;
    uint256 internal constant _ROLE_52 = 1 << 52;
    uint256 internal constant _ROLE_53 = 1 << 53;
    uint256 internal constant _ROLE_54 = 1 << 54;
    uint256 internal constant _ROLE_55 = 1 << 55;
    uint256 internal constant _ROLE_56 = 1 << 56;
    uint256 internal constant _ROLE_57 = 1 << 57;
    uint256 internal constant _ROLE_58 = 1 << 58;
    uint256 internal constant _ROLE_59 = 1 << 59;
    uint256 internal constant _ROLE_60 = 1 << 60;
    uint256 internal constant _ROLE_61 = 1 << 61;
    uint256 internal constant _ROLE_62 = 1 << 62;
    uint256 internal constant _ROLE_63 = 1 << 63;
    uint256 internal constant _ROLE_64 = 1 << 64;
    uint256 internal constant _ROLE_65 = 1 << 65;
    uint256 internal constant _ROLE_66 = 1 << 66;
    uint256 internal constant _ROLE_67 = 1 << 67;
    uint256 internal constant _ROLE_68 = 1 << 68;
    uint256 internal constant _ROLE_69 = 1 << 69;
    uint256 internal constant _ROLE_70 = 1 << 70;
    uint256 internal constant _ROLE_71 = 1 << 71;
    uint256 internal constant _ROLE_72 = 1 << 72;
    uint256 internal constant _ROLE_73 = 1 << 73;
    uint256 internal constant _ROLE_74 = 1 << 74;
    uint256 internal constant _ROLE_75 = 1 << 75;
    uint256 internal constant _ROLE_76 = 1 << 76;
    uint256 internal constant _ROLE_77 = 1 << 77;
    uint256 internal constant _ROLE_78 = 1 << 78;
    uint256 internal constant _ROLE_79 = 1 << 79;
    uint256 internal constant _ROLE_80 = 1 << 80;
    uint256 internal constant _ROLE_81 = 1 << 81;
    uint256 internal constant _ROLE_82 = 1 << 82;
    uint256 internal constant _ROLE_83 = 1 << 83;
    uint256 internal constant _ROLE_84 = 1 << 84;
    uint256 internal constant _ROLE_85 = 1 << 85;
    uint256 internal constant _ROLE_86 = 1 << 86;
    uint256 internal constant _ROLE_87 = 1 << 87;
    uint256 internal constant _ROLE_88 = 1 << 88;
    uint256 internal constant _ROLE_89 = 1 << 89;
    uint256 internal constant _ROLE_90 = 1 << 90;
    uint256 internal constant _ROLE_91 = 1 << 91;
    uint256 internal constant _ROLE_92 = 1 << 92;
    uint256 internal constant _ROLE_93 = 1 << 93;
    uint256 internal constant _ROLE_94 = 1 << 94;
    uint256 internal constant _ROLE_95 = 1 << 95;
    uint256 internal constant _ROLE_96 = 1 << 96;
    uint256 internal constant _ROLE_97 = 1 << 97;
    uint256 internal constant _ROLE_98 = 1 << 98;
    uint256 internal constant _ROLE_99 = 1 << 99;
    uint256 internal constant _ROLE_100 = 1 << 100;
    uint256 internal constant _ROLE_101 = 1 << 101;
    uint256 internal constant _ROLE_102 = 1 << 102;
    uint256 internal constant _ROLE_103 = 1 << 103;
    uint256 internal constant _ROLE_104 = 1 << 104;
    uint256 internal constant _ROLE_105 = 1 << 105;
    uint256 internal constant _ROLE_106 = 1 << 106;
    uint256 internal constant _ROLE_107 = 1 << 107;
    uint256 internal constant _ROLE_108 = 1 << 108;
    uint256 internal constant _ROLE_109 = 1 << 109;
    uint256 internal constant _ROLE_110 = 1 << 110;
    uint256 internal constant _ROLE_111 = 1 << 111;
    uint256 internal constant _ROLE_112 = 1 << 112;
    uint256 internal constant _ROLE_113 = 1 << 113;
    uint256 internal constant _ROLE_114 = 1 << 114;
    uint256 internal constant _ROLE_115 = 1 << 115;
    uint256 internal constant _ROLE_116 = 1 << 116;
    uint256 internal constant _ROLE_117 = 1 << 117;
    uint256 internal constant _ROLE_118 = 1 << 118;
    uint256 internal constant _ROLE_119 = 1 << 119;
    uint256 internal constant _ROLE_120 = 1 << 120;
    uint256 internal constant _ROLE_121 = 1 << 121;
    uint256 internal constant _ROLE_122 = 1 << 122;
    uint256 internal constant _ROLE_123 = 1 << 123;
    uint256 internal constant _ROLE_124 = 1 << 124;
    uint256 internal constant _ROLE_125 = 1 << 125;
    uint256 internal constant _ROLE_126 = 1 << 126;
    uint256 internal constant _ROLE_127 = 1 << 127;
    uint256 internal constant _ROLE_128 = 1 << 128;
    uint256 internal constant _ROLE_129 = 1 << 129;
    uint256 internal constant _ROLE_130 = 1 << 130;
    uint256 internal constant _ROLE_131 = 1 << 131;
    uint256 internal constant _ROLE_132 = 1 << 132;
    uint256 internal constant _ROLE_133 = 1 << 133;
    uint256 internal constant _ROLE_134 = 1 << 134;
    uint256 internal constant _ROLE_135 = 1 << 135;
    uint256 internal constant _ROLE_136 = 1 << 136;
    uint256 internal constant _ROLE_137 = 1 << 137;
    uint256 internal constant _ROLE_138 = 1 << 138;
    uint256 internal constant _ROLE_139 = 1 << 139;
    uint256 internal constant _ROLE_140 = 1 << 140;
    uint256 internal constant _ROLE_141 = 1 << 141;
    uint256 internal constant _ROLE_142 = 1 << 142;
    uint256 internal constant _ROLE_143 = 1 << 143;
    uint256 internal constant _ROLE_144 = 1 << 144;
    uint256 internal constant _ROLE_145 = 1 << 145;
    uint256 internal constant _ROLE_146 = 1 << 146;
    uint256 internal constant _ROLE_147 = 1 << 147;
    uint256 internal constant _ROLE_148 = 1 << 148;
    uint256 internal constant _ROLE_149 = 1 << 149;
    uint256 internal constant _ROLE_150 = 1 << 150;
    uint256 internal constant _ROLE_151 = 1 << 151;
    uint256 internal constant _ROLE_152 = 1 << 152;
    uint256 internal constant _ROLE_153 = 1 << 153;
    uint256 internal constant _ROLE_154 = 1 << 154;
    uint256 internal constant _ROLE_155 = 1 << 155;
    uint256 internal constant _ROLE_156 = 1 << 156;
    uint256 internal constant _ROLE_157 = 1 << 157;
    uint256 internal constant _ROLE_158 = 1 << 158;
    uint256 internal constant _ROLE_159 = 1 << 159;
    uint256 internal constant _ROLE_160 = 1 << 160;
    uint256 internal constant _ROLE_161 = 1 << 161;
    uint256 internal constant _ROLE_162 = 1 << 162;
    uint256 internal constant _ROLE_163 = 1 << 163;
    uint256 internal constant _ROLE_164 = 1 << 164;
    uint256 internal constant _ROLE_165 = 1 << 165;
    uint256 internal constant _ROLE_166 = 1 << 166;
    uint256 internal constant _ROLE_167 = 1 << 167;
    uint256 internal constant _ROLE_168 = 1 << 168;
    uint256 internal constant _ROLE_169 = 1 << 169;
    uint256 internal constant _ROLE_170 = 1 << 170;
    uint256 internal constant _ROLE_171 = 1 << 171;
    uint256 internal constant _ROLE_172 = 1 << 172;
    uint256 internal constant _ROLE_173 = 1 << 173;
    uint256 internal constant _ROLE_174 = 1 << 174;
    uint256 internal constant _ROLE_175 = 1 << 175;
    uint256 internal constant _ROLE_176 = 1 << 176;
    uint256 internal constant _ROLE_177 = 1 << 177;
    uint256 internal constant _ROLE_178 = 1 << 178;
    uint256 internal constant _ROLE_179 = 1 << 179;
    uint256 internal constant _ROLE_180 = 1 << 180;
    uint256 internal constant _ROLE_181 = 1 << 181;
    uint256 internal constant _ROLE_182 = 1 << 182;
    uint256 internal constant _ROLE_183 = 1 << 183;
    uint256 internal constant _ROLE_184 = 1 << 184;
    uint256 internal constant _ROLE_185 = 1 << 185;
    uint256 internal constant _ROLE_186 = 1 << 186;
    uint256 internal constant _ROLE_187 = 1 << 187;
    uint256 internal constant _ROLE_188 = 1 << 188;
    uint256 internal constant _ROLE_189 = 1 << 189;
    uint256 internal constant _ROLE_190 = 1 << 190;
    uint256 internal constant _ROLE_191 = 1 << 191;
    uint256 internal constant _ROLE_192 = 1 << 192;
    uint256 internal constant _ROLE_193 = 1 << 193;
    uint256 internal constant _ROLE_194 = 1 << 194;
    uint256 internal constant _ROLE_195 = 1 << 195;
    uint256 internal constant _ROLE_196 = 1 << 196;
    uint256 internal constant _ROLE_197 = 1 << 197;
    uint256 internal constant _ROLE_198 = 1 << 198;
    uint256 internal constant _ROLE_199 = 1 << 199;
    uint256 internal constant _ROLE_200 = 1 << 200;
    uint256 internal constant _ROLE_201 = 1 << 201;
    uint256 internal constant _ROLE_202 = 1 << 202;
    uint256 internal constant _ROLE_203 = 1 << 203;
    uint256 internal constant _ROLE_204 = 1 << 204;
    uint256 internal constant _ROLE_205 = 1 << 205;
    uint256 internal constant _ROLE_206 = 1 << 206;
    uint256 internal constant _ROLE_207 = 1 << 207;
    uint256 internal constant _ROLE_208 = 1 << 208;
    uint256 internal constant _ROLE_209 = 1 << 209;
    uint256 internal constant _ROLE_210 = 1 << 210;
    uint256 internal constant _ROLE_211 = 1 << 211;
    uint256 internal constant _ROLE_212 = 1 << 212;
    uint256 internal constant _ROLE_213 = 1 << 213;
    uint256 internal constant _ROLE_214 = 1 << 214;
    uint256 internal constant _ROLE_215 = 1 << 215;
    uint256 internal constant _ROLE_216 = 1 << 216;
    uint256 internal constant _ROLE_217 = 1 << 217;
    uint256 internal constant _ROLE_218 = 1 << 218;
    uint256 internal constant _ROLE_219 = 1 << 219;
    uint256 internal constant _ROLE_220 = 1 << 220;
    uint256 internal constant _ROLE_221 = 1 << 221;
    uint256 internal constant _ROLE_222 = 1 << 222;
    uint256 internal constant _ROLE_223 = 1 << 223;
    uint256 internal constant _ROLE_224 = 1 << 224;
    uint256 internal constant _ROLE_225 = 1 << 225;
    uint256 internal constant _ROLE_226 = 1 << 226;
    uint256 internal constant _ROLE_227 = 1 << 227;
    uint256 internal constant _ROLE_228 = 1 << 228;
    uint256 internal constant _ROLE_229 = 1 << 229;
    uint256 internal constant _ROLE_230 = 1 << 230;
    uint256 internal constant _ROLE_231 = 1 << 231;
    uint256 internal constant _ROLE_232 = 1 << 232;
    uint256 internal constant _ROLE_233 = 1 << 233;
    uint256 internal constant _ROLE_234 = 1 << 234;
    uint256 internal constant _ROLE_235 = 1 << 235;
    uint256 internal constant _ROLE_236 = 1 << 236;
    uint256 internal constant _ROLE_237 = 1 << 237;
    uint256 internal constant _ROLE_238 = 1 << 238;
    uint256 internal constant _ROLE_239 = 1 << 239;
    uint256 internal constant _ROLE_240 = 1 << 240;
    uint256 internal constant _ROLE_241 = 1 << 241;
    uint256 internal constant _ROLE_242 = 1 << 242;
    uint256 internal constant _ROLE_243 = 1 << 243;
    uint256 internal constant _ROLE_244 = 1 << 244;
    uint256 internal constant _ROLE_245 = 1 << 245;
    uint256 internal constant _ROLE_246 = 1 << 246;
    uint256 internal constant _ROLE_247 = 1 << 247;
    uint256 internal constant _ROLE_248 = 1 << 248;
    uint256 internal constant _ROLE_249 = 1 << 249;
    uint256 internal constant _ROLE_250 = 1 << 250;
    uint256 internal constant _ROLE_251 = 1 << 251;
    uint256 internal constant _ROLE_252 = 1 << 252;
    uint256 internal constant _ROLE_253 = 1 << 253;
    uint256 internal constant _ROLE_254 = 1 << 254;
    uint256 internal constant _ROLE_255 = 1 << 255;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

library DailyOutflowCounterLib {
    uint256 internal constant WAD_TRUNCATED = 10 ** 18 >> 40;

    uint256 internal constant OUTFLOW_TRUNCATED_MASK = 0xffffffffffffff;

    uint256 internal constant DAY_BITPOS = 56;

    uint256 internal constant DAY_MASK = 0x7fffffff;

    uint256 internal constant OUTFLOW_TRUNCATE_SHR = 40;

    uint256 internal constant WHITELISTED_BITPOS = 87;

    function update(uint88 packed, uint256 outflow)
        internal
        view
        returns (uint88 updated, uint256 multiple)
    {
        unchecked {
            if (isWhitelisted(packed)) {
                return (packed, 0);
            }

            uint256 currentDay = (block.timestamp / 86400) & DAY_MASK;
            uint256 packedDay = (uint256(packed) >> DAY_BITPOS) & DAY_MASK;
            uint256 totalOutflowTruncated = uint256(packed) & OUTFLOW_TRUNCATED_MASK;

            if (packedDay != currentDay) {
                totalOutflowTruncated = 0;
                packedDay = currentDay;
            }

            uint256 result = packedDay << DAY_BITPOS;
            uint256 todaysOutflowTruncated =
                totalOutflowTruncated + ((outflow >> OUTFLOW_TRUNCATE_SHR) & OUTFLOW_TRUNCATED_MASK);
            result |= todaysOutflowTruncated & OUTFLOW_TRUNCATED_MASK;
            updated = uint88(result);
            multiple = todaysOutflowTruncated / WAD_TRUNCATED;
        }
    }

    function isWhitelisted(uint88 packed) internal pure returns (bool) {
        return packed >> WHITELISTED_BITPOS != 0;
    }

    function setWhitelisted(uint88 packed, bool status) internal pure returns (uint88) {
        if (isWhitelisted(packed) != status) {
            packed ^= uint88(1 << WHITELISTED_BITPOS);
        }
        return packed;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @title dn404
/// @notice dn404 is a hybrid ERC20 and ERC721 implementation that mints
/// and burns NFTs based on an account's ERC20 token balance.
///
/// @author vectorized.eth (@optimizoor)
/// @author Quit (@0xQuit)
/// @author Michael Amadi (@AmadiMichaels)
/// @author cygaar (@0xCygaar)
/// @author Thomas (@0xjustadev)
/// @author Harrison (@PopPunkOnChain)
///
/// @dev Note:
/// - The ERC721 data is stored in this base dn404 contract, however a
///   dn404Mirror contract ***MUST*** be deployed and linked during
///   initialization.
abstract contract dn404 {
    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                           EVENTS                           */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Emitted when `amount` tokens is transferred from `from` to `to`.
    event Transfer(address indexed from, address indexed to, uint256 amount);

    /// @dev Emitted when `amount` tokens is approved by `owner` to be used by `spender`.
    event Approval(address indexed owner, address indexed spender, uint256 amount);

    /// @dev Emitted when `target` sets their skipNFT flag to `status`.
    event SkipNFTSet(address indexed target, bool status);

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                        CUSTOM ERRORS                       */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Thrown when attempting to double-initialize the contract.
    error DNAlreadyInitialized();

    /// @dev Thrown when attempting to transfer or burn more tokens than sender's balance.
    error InsufficientBalance();

    /// @dev Thrown when a spender attempts to transfer tokens with an insufficient allowance.
    error InsufficientAllowance();

    /// @dev Thrown when minting an amount of tokens that would overflow the max tokens.
    error TotalSupplyOverflow();

    /// @dev Thrown when the caller for a fallback NFT function is not the mirror contract.
    error SenderNotMirror();

    /// @dev Thrown when attempting to transfer tokens to the zero address.
    error TransferToZeroAddress();

    /// @dev Thrown when the mirror address provided for initialization is the zero address.
    error MirrorAddressIsZero();

    /// @dev Thrown when the link call to the mirror contract reverts.
    error LinkMirrorContractFailed();

    /// @dev Thrown when setting an NFT token approval
    /// and the caller is not the owner or an approved operator.
    error ApprovalCallerNotOwnerNorApproved();

    /// @dev Thrown when transferring an NFT
    /// and the caller is not the owner or an approved operator.
    error TransferCallerNotOwnerNorApproved();

    /// @dev Thrown when transferring an NFT and the from address is not the current owner.
    error TransferFromIncorrectOwner();

    /// @dev Thrown when checking the owner or approved address for an non-existent NFT.
    error TokenDoesNotExist();

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                         CONSTANTS                          */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Amount of token balance that is equal to one NFT.
    uint256 internal constant _WAD = 10 ** 18;

    /// @dev The maximum token ID allowed for an NFT.
    uint256 internal constant _MAX_TOKEN_ID = 0xffffffff;

    /// @dev The maximum possible token supply.
    uint256 internal constant _MAX_SUPPLY = 10 ** 18 * 0xffffffff - 1;

    /// @dev The flag to denote that the address data is initialized.
    uint8 internal constant _ADDRESS_DATA_INITIALIZED_FLAG = 1 << 0;

    /// @dev The flag to denote that the address should skip NFTs.
    uint8 internal constant _ADDRESS_DATA_SKIP_NFT_FLAG = 1 << 1;

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                          STORAGE                           */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Struct containing an address's token data and settings.
    struct AddressData {
        // Auxiliary data.
        uint88 aux;
        // Flags for `initialized` and `skipNFT`.
        uint8 flags;
        // The alias for the address. Zero means absence of an alias.
        uint32 addressAlias;
        // The number of NFT tokens.
        uint32 ownedLength;
        // The token balance in wei.
        uint96 balance;
    }

    /// @dev A uint32 map in storage.
    struct Uint32Map {
        mapping(uint256 => uint256) map;
    }

    /// @dev Struct containing the base token contract storage.
    struct dn404torage {
        // Current number of address aliases assigned.
        uint32 numAliases;
        // Next token ID to assign for an NFT mint.
        uint32 nextTokenId;
        // Total supply of minted NFTs.
        uint32 totalNFTSupply;
        // Total supply of tokens.
        uint96 totalSupply;
        // Address of the NFT mirror contract.
        address mirrorERC721;
        // Mapping of a user alias number to their address.
        mapping(uint32 => address) aliasToAddress;
        // Mapping of user operator approvals for NFTs.
        mapping(address => mapping(address => bool)) operatorApprovals;
        // Mapping of NFT token approvals to approved operators.
        mapping(uint256 => address) tokenApprovals;
        // Mapping of user allowances for token spenders.
        mapping(address => mapping(address => uint256)) allowance;
        // Mapping of NFT token IDs owned by an address.
        mapping(address => Uint32Map) owned;
        // Even indices: owner aliases. Odd indices: owned indices.
        Uint32Map oo;
        // Mapping of user account AddressData
        mapping(address => AddressData) addressData;
    }

    /// @dev Returns a storage pointer for dn404torage.
    function _getdn404torage() internal pure virtual returns (dn404torage storage $) {
        /// @solidity memory-safe-assembly
        assembly {
            // `uint72(bytes9(keccak256("dn404_STORAGE")))`.
            $.slot := 0xa20d6e21d0e5255308 // Truncate to 9 bytes to reduce bytecode size.
        }
    }

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                         INITIALIZER                        */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Initializes the dn404 contract with an
    /// `initialTokenSupply`, `initialTokenOwner` and `mirror` NFT contract address.
    function _initializedn404(
        uint256 initialTokenSupply,
        address initialSupplyOwner,
        address mirror
    ) internal virtual {
        dn404torage storage $ = _getdn404torage();

        if ($.nextTokenId != 0) revert DNAlreadyInitialized();

        if (mirror == address(0)) revert MirrorAddressIsZero();
        _linkMirrorContract(mirror);

        $.nextTokenId = 1;
        $.mirrorERC721 = mirror;

        if (initialTokenSupply > 0) {
            if (initialSupplyOwner == address(0)) revert TransferToZeroAddress();
            if (initialTokenSupply > _MAX_SUPPLY) revert TotalSupplyOverflow();

            $.totalSupply = uint96(initialTokenSupply);
            AddressData storage initialOwnerAddressData = _addressData(initialSupplyOwner);
            initialOwnerAddressData.balance = uint96(initialTokenSupply);

            emit Transfer(address(0), initialSupplyOwner, initialTokenSupply);

            _setSkipNFT(initialSupplyOwner, true);
        }
    }

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*               METADATA FUNCTIONS TO OVERRIDE               */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Returns the name of the token.
    function name() public view virtual returns (string memory);

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

    /// @dev Returns the Uniform Resource Identifier (URI) for token `id`.
    function tokenURI(uint256 id) public view virtual returns (string memory);

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                      ERC20 OPERATIONS                      */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Returns the decimals places of the token. Always 18.
    function decimals() public pure returns (uint8) {
        return 18;
    }

    /// @dev Returns the amount of tokens in existence.
    function totalSupply() public view virtual returns (uint256) {
        return uint256(_getdn404torage().totalSupply);
    }

    /// @dev Returns the amount of tokens owned by `owner`.
    function balanceOf(address owner) public view virtual returns (uint256) {
        return _getdn404torage().addressData[owner].balance;
    }

    /// @dev Returns the amount of tokens that `spender` can spend on behalf of `owner`.
    function allowance(address owner, address spender) public view returns (uint256) {
        return _getdn404torage().allowance[owner][spender];
    }

    /// @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
    ///
    /// Emits a {Approval} event.
    function approve(address spender, uint256 amount) public virtual returns (bool) {
        dn404torage storage $ = _getdn404torage();

        $.allowance[msg.sender][spender] = amount;

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

        return true;
    }

    /// @dev Transfer `amount` tokens from the caller to `to`.
    ///
    /// Will burn sender NFTs if balance after transfer is less than
    /// the amount required to support the current NFT balance.
    ///
    /// Will mint NFTs to `to` if the recipient's new balance supports
    /// additional NFTs ***AND*** the `to` address's skipNFT flag is
    /// set to false.
    ///
    /// Requirements:
    /// - `from` must at least have `amount`.
    ///
    /// Emits a {Transfer} event.
    function transfer(address to, uint256 amount) public virtual returns (bool) {
        _transfer(msg.sender, to, amount);
        return true;
    }

    /// @dev Transfers `amount` tokens from `from` to `to`.
    ///
    /// Note: Does not update the allowance if it is the maximum uint256 value.
    ///
    /// Will burn sender NFTs if balance after transfer is less than
    /// the amount required to support the current NFT balance.
    ///
    /// Will mint NFTs to `to` if the recipient's new balance supports
    /// additional NFTs ***AND*** the `to` address's skipNFT flag is
    /// set to false.
    ///
    /// Requirements:
    /// - `from` must at least have `amount`.
    /// - The caller must have at least `amount` of allowance to transfer the tokens of `from`.
    ///
    /// Emits a {Transfer} event.
    function transferFrom(address from, address to, uint256 amount) public virtual returns (bool) {
        dn404torage storage $ = _getdn404torage();

        uint256 allowed = $.allowance[from][msg.sender];

        if (allowed != type(uint256).max) {
            if (amount > allowed) revert InsufficientAllowance();
            unchecked {
                $.allowance[from][msg.sender] = allowed - amount;
            }
        }

        _transfer(from, to, amount);

        return true;
    }

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                  INTERNAL MINT FUNCTIONS                   */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Mints `amount` tokens to `to`, increasing the total supply.
    ///
    /// Will mint NFTs to `to` if the recipient's new balance supports
    /// additional NFTs ***AND*** the `to` address's skipNFT flag is
    /// set to false.
    ///
    /// Emits a {Transfer} event.
    function _mint(address to, uint256 amount) internal virtual {
        if (to == address(0)) revert TransferToZeroAddress();

        dn404torage storage $ = _getdn404torage();

        AddressData storage toAddressData = _addressData(to);

        unchecked {
            uint256 currentTokenSupply = uint256($.totalSupply) + amount;
            if (amount > _MAX_SUPPLY || currentTokenSupply > _MAX_SUPPLY) {
                revert TotalSupplyOverflow();
            }
            $.totalSupply = uint96(currentTokenSupply);

            uint256 toBalance = toAddressData.balance + amount;
            toAddressData.balance = uint96(toBalance);

            if (toAddressData.flags & _ADDRESS_DATA_SKIP_NFT_FLAG == 0) {
                Uint32Map storage toOwned = $.owned[to];
                uint256 toIndex = toAddressData.ownedLength;
                uint256 toEnd = toBalance / _WAD;
                _PackedLogs memory packedLogs = _packedLogsMalloc(_zeroFloorSub(toEnd, toIndex));

                if (packedLogs.logs.length != 0) {
                    uint256 maxNFTId = $.totalSupply / _WAD;
                    uint32 toAlias = _registerAndResolveAlias(toAddressData, to);
                    uint256 id = $.nextTokenId;
                    $.totalNFTSupply += uint32(packedLogs.logs.length);
                    toAddressData.ownedLength = uint32(toEnd);
                    // Mint loop.
                    do {
                        while (_get($.oo, _ownershipIndex(id)) != 0) {
                            if (++id > maxNFTId) id = 1;
                        }
                        _set(toOwned, toIndex, uint32(id));
                        _setOwnerAliasAndOwnedIndex($.oo, id, toAlias, uint32(toIndex++));
                        _packedLogsAppend(packedLogs, to, id, 0);
                        if (++id > maxNFTId) id = 1;
                    } while (toIndex != toEnd);
                    $.nextTokenId = uint32(id);
                    _packedLogsSend(packedLogs, $.mirrorERC721);
                }
            }
        }
        emit Transfer(address(0), to, amount);
    }

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                  INTERNAL BURN FUNCTIONS                   */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Burns `amount` tokens from `from`, reducing the total supply.
    ///
    /// Will burn sender NFTs if balance after transfer is less than
    /// the amount required to support the current NFT balance.
    ///
    /// Emits a {Transfer} event.
    function _burn(address from, uint256 amount) internal virtual {
        dn404torage storage $ = _getdn404torage();

        AddressData storage fromAddressData = _addressData(from);

        uint256 fromBalance = fromAddressData.balance;
        if (amount > fromBalance) revert InsufficientBalance();

        uint256 currentTokenSupply = $.totalSupply;

        unchecked {
            fromBalance -= amount;
            fromAddressData.balance = uint96(fromBalance);
            currentTokenSupply -= amount;
            $.totalSupply = uint96(currentTokenSupply);

            Uint32Map storage fromOwned = $.owned[from];
            uint256 fromIndex = fromAddressData.ownedLength;
            uint256 nftAmountToBurn = _zeroFloorSub(fromIndex, fromBalance / _WAD);

            if (nftAmountToBurn != 0) {
                $.totalNFTSupply -= uint32(nftAmountToBurn);

                _PackedLogs memory packedLogs = _packedLogsMalloc(nftAmountToBurn);

                uint256 fromEnd = fromIndex - nftAmountToBurn;
                // Burn loop.
                do {
                    uint256 id = _get(fromOwned, --fromIndex);
                    _setOwnerAliasAndOwnedIndex($.oo, id, 0, 0);
                    delete $.tokenApprovals[id];
                    _packedLogsAppend(packedLogs, from, id, 1);
                } while (fromIndex != fromEnd);

                fromAddressData.ownedLength = uint32(fromIndex);
                _packedLogsSend(packedLogs, $.mirrorERC721);
            }
        }
        emit Transfer(from, address(0), amount);
    }

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                INTERNAL TRANSFER FUNCTIONS                 */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Moves `amount` of tokens from `from` to `to`.
    ///
    /// Will burn sender NFTs if balance after transfer is less than
    /// the amount required to support the current NFT balance.
    ///
    /// Will mint NFTs to `to` if the recipient's new balance supports
    /// additional NFTs ***AND*** the `to` address's skipNFT flag is
    /// set to false.
    ///
    /// Emits a {Transfer} event.
    function _transfer(address from, address to, uint256 amount) internal virtual {
        if (to == address(0)) revert TransferToZeroAddress();

        dn404torage storage $ = _getdn404torage();

        AddressData storage fromAddressData = _addressData(from);
        AddressData storage toAddressData = _addressData(to);

        _TransferTemps memory t;
        t.fromOwnedLength = fromAddressData.ownedLength;
        t.toOwnedLength = toAddressData.ownedLength;
        t.fromBalance = fromAddressData.balance;

        if (amount > t.fromBalance) revert InsufficientBalance();

        unchecked {
            t.fromBalance -= amount;
            fromAddressData.balance = uint96(t.fromBalance);
            toAddressData.balance = uint96(t.toBalance = toAddressData.balance + amount);

            t.nftAmountToBurn = _zeroFloorSub(t.fromOwnedLength, t.fromBalance / _WAD);

            if (toAddressData.flags & _ADDRESS_DATA_SKIP_NFT_FLAG == 0) {
                if (from == to) t.toOwnedLength = t.fromOwnedLength - t.nftAmountToBurn;
                t.nftAmountToMint = _zeroFloorSub(t.toBalance / _WAD, t.toOwnedLength);
            }

            _PackedLogs memory packedLogs = _packedLogsMalloc(t.nftAmountToBurn + t.nftAmountToMint);

            if (t.nftAmountToBurn != 0) {
                Uint32Map storage fromOwned = $.owned[from];
                uint256 fromIndex = t.fromOwnedLength;
                uint256 fromEnd = fromIndex - t.nftAmountToBurn;
                $.totalNFTSupply -= uint32(t.nftAmountToBurn);
                fromAddressData.ownedLength = uint32(fromEnd);
                // Burn loop.
                do {
                    uint256 id = _get(fromOwned, --fromIndex);
                    _setOwnerAliasAndOwnedIndex($.oo, id, 0, 0);
                    delete $.tokenApprovals[id];
                    _packedLogsAppend(packedLogs, from, id, 1);
                } while (fromIndex != fromEnd);
            }

            if (t.nftAmountToMint != 0) {
                Uint32Map storage toOwned = $.owned[to];
                uint256 toIndex = t.toOwnedLength;
                uint256 toEnd = toIndex + t.nftAmountToMint;
                uint32 toAlias = _registerAndResolveAlias(toAddressData, to);
                uint256 maxNFTId = $.totalSupply / _WAD;
                uint256 id = $.nextTokenId;
                $.totalNFTSupply += uint32(t.nftAmountToMint);
                toAddressData.ownedLength = uint32(toEnd);
                // Mint loop.
                do {
                    while (_get($.oo, _ownershipIndex(id)) != 0) {
                        if (++id > maxNFTId) id = 1;
                    }
                    _set(toOwned, toIndex, uint32(id));
                    _setOwnerAliasAndOwnedIndex($.oo, id, toAlias, uint32(toIndex++));
                    _packedLogsAppend(packedLogs, to, id, 0);
                    if (++id > maxNFTId) id = 1;
                } while (toIndex != toEnd);
                $.nextTokenId = uint32(id);
            }

            if (packedLogs.logs.length != 0) {
                _packedLogsSend(packedLogs, $.mirrorERC721);
            }
        }
        emit Transfer(from, to, amount);
    }

    /// @dev Transfers token `id` from `from` to `to`.
    ///
    /// Requirements:
    ///
    /// - Call must originate from the mirror contract.
    /// - Token `id` must exist.
    /// - `from` must be the owner of the token.
    /// - `to` cannot be the zero address.
    ///   `msgSender` must be the owner of the token, or be approved to manage the token.
    ///
    /// Emits a {Transfer} event.
    function _transferFromNFT(address from, address to, uint256 id, address msgSender)
        internal
        virtual
    {
        dn404torage storage $ = _getdn404torage();

        if (to == address(0)) revert TransferToZeroAddress();

        address owner = $.aliasToAddress[_get($.oo, _ownershipIndex(id))];

        if (from != owner) revert TransferFromIncorrectOwner();

        if (msgSender != from) {
            if (!$.operatorApprovals[from][msgSender]) {
                if (msgSender != $.tokenApprovals[id]) {
                    revert TransferCallerNotOwnerNorApproved();
                }
            }
        }

        AddressData storage fromAddressData = _addressData(from);
        AddressData storage toAddressData = _addressData(to);

        fromAddressData.balance -= uint96(_WAD);

        unchecked {
            toAddressData.balance += uint96(_WAD);

            _set($.oo, _ownershipIndex(id), _registerAndResolveAlias(toAddressData, to));
            delete $.tokenApprovals[id];

            uint256 updatedId = _get($.owned[from], --fromAddressData.ownedLength);
            _set($.owned[from], _get($.oo, _ownedIndex(id)), uint32(updatedId));

            uint256 n = toAddressData.ownedLength++;
            _set($.oo, _ownedIndex(updatedId), _get($.oo, _ownedIndex(id)));
            _set($.owned[to], n, uint32(id));
            _set($.oo, _ownedIndex(id), uint32(n));
        }

        emit Transfer(from, to, _WAD);
    }

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                 DATA HITCHHIKING FUNCTIONS                 */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Returns the auxiliary data for `owner`.
    /// Minting, transferring, burning the tokens of `owner` will not change the auxiliary data.
    /// Auxiliary data can be set for any address, even if it does not have any tokens.
    function _getAux(address owner) internal view virtual returns (uint88) {
        return _getdn404torage().addressData[owner].aux;
    }

    /// @dev Set the auxiliary data for `owner` to `value`.
    /// Minting, transferring, burning the tokens of `owner` will not change the auxiliary data.
    /// Auxiliary data can be set for any address, even if it does not have any tokens.
    function _setAux(address owner, uint88 value) internal virtual {
        _getdn404torage().addressData[owner].aux = value;
    }

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                     SKIP NFT FUNCTIONS                     */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Returns true if account `a` will skip NFT minting on token mints and transfers.
    /// Returns false if account `a` will mint NFTs on token mints and transfers.
    function getSkipNFT(address a) public view virtual returns (bool) {
        AddressData storage d = _getdn404torage().addressData[a];
        if (d.flags & _ADDRESS_DATA_INITIALIZED_FLAG == 0) return _hasCode(a);
        return d.flags & _ADDRESS_DATA_SKIP_NFT_FLAG != 0;
    }

    /// @dev Sets the caller's skipNFT flag to `skipNFT`
    ///
    /// Emits a {SkipNFTSet} event.
    function setSkipNFT(bool skipNFT) public virtual {
        _setSkipNFT(msg.sender, skipNFT);
    }

    /// @dev Internal function to set account `a` skipNFT flag to `state`
    ///
    /// Initializes account `a` AddressData if it is not currently initialized.
    ///
    /// Emits a {SkipNFTSet} event.
    function _setSkipNFT(address a, bool state) internal virtual {
        AddressData storage d = _addressData(a);
        if ((d.flags & _ADDRESS_DATA_SKIP_NFT_FLAG != 0) != state) {
            d.flags ^= _ADDRESS_DATA_SKIP_NFT_FLAG;
        }
        emit SkipNFTSet(a, state);
    }

    /// @dev Returns a storage data pointer for account `a` AddressData
    ///
    /// Initializes account `a` AddressData if it is not currently initialized.
    function _addressData(address a) internal virtual returns (AddressData storage d) {
        dn404torage storage $ = _getdn404torage();
        d = $.addressData[a];

        if (d.flags & _ADDRESS_DATA_INITIALIZED_FLAG == 0) {
            uint8 flags = _ADDRESS_DATA_INITIALIZED_FLAG;
            if (_hasCode(a)) flags |= _ADDRESS_DATA_SKIP_NFT_FLAG;
            d.flags = flags;
        }
    }

    /// @dev Returns the `addressAlias` of account `to`.
    ///
    /// Assigns and registers the next alias if `to` alias was not previously registered.
    function _registerAndResolveAlias(AddressData storage toAddressData, address to)
        internal
        virtual
        returns (uint32 addressAlias)
    {
        dn404torage storage $ = _getdn404torage();
        addressAlias = toAddressData.addressAlias;
        if (addressAlias == 0) {
            addressAlias = ++$.numAliases;
            toAddressData.addressAlias = addressAlias;
            $.aliasToAddress[addressAlias] = to;
        }
    }

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                     MIRROR OPERATIONS                      */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Returns the address of the mirror NFT contract.
    function mirrorERC721() public view virtual returns (address) {
        return _getdn404torage().mirrorERC721;
    }

    /// @dev Returns the total NFT supply.
    function _totalNFTSupply() internal view virtual returns (uint256) {
        return _getdn404torage().totalNFTSupply;
    }

    /// @dev Returns `owner` NFT balance.
    function _balanceOfNFT(address owner) internal view virtual returns (uint256) {
        return _getdn404torage().addressData[owner].ownedLength;
    }

    /// @dev Returns the owner of token `id`.
    /// Returns the zero address instead of reverting if the token does not exist.
    function _ownerAt(uint256 id) internal view virtual returns (address) {
        dn404torage storage $ = _getdn404torage();
        return $.aliasToAddress[_get($.oo, _ownershipIndex(id))];
    }

    /// @dev Returns the owner of token `id`.
    ///
    /// Requirements:
    /// - Token `id` must exist.
    function _ownerOf(uint256 id) internal view virtual returns (address) {
        if (!_exists(id)) revert TokenDoesNotExist();
        return _ownerAt(id);
    }

    /// @dev Returns if token `id` exists.
    function _exists(uint256 id) internal view virtual returns (bool) {
        return _ownerAt(id) != address(0);
    }

    /// @dev Returns the account approved to manage token `id`.
    ///
    /// Requirements:
    /// - Token `id` must exist.
    function _getApproved(uint256 id) internal view virtual returns (address) {
        if (!_exists(id)) revert TokenDoesNotExist();
        return _getdn404torage().tokenApprovals[id];
    }

    /// @dev Sets `spender` as the approved account to manage token `id`, using `msgSender`.
    ///
    /// Requirements:
    /// - `msgSender` must be the owner or an approved operator for the token owner.
    function _approveNFT(address spender, uint256 id, address msgSender)
        internal
        virtual
        returns (address)
    {
        dn404torage storage $ = _getdn404torage();

        address owner = $.aliasToAddress[_get($.oo, _ownershipIndex(id))];

        if (msgSender != owner) {
            if (!$.operatorApprovals[owner][msgSender]) {
                revert ApprovalCallerNotOwnerNorApproved();
            }
        }

        $.tokenApprovals[id] = spender;

        return owner;
    }

    /// @dev Approve or remove the `operator` as an operator for `msgSender`,
    /// without authorization checks.
    function _setApprovalForAll(address operator, bool approved, address msgSender)
        internal
        virtual
    {
        _getdn404torage().operatorApprovals[msgSender][operator] = approved;
    }

    /// @dev Calls the mirror contract to link it to this contract.
    ///
    /// Reverts if the call to the mirror contract reverts.
    function _linkMirrorContract(address mirror) internal virtual {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, 0x0f4599e5) // `linkMirrorContract(address)`.
            mstore(0x20, caller())
            if iszero(and(eq(mload(0x00), 1), call(gas(), mirror, 0, 0x1c, 0x24, 0x00, 0x20))) {
                mstore(0x00, 0xd125259c) // `LinkMirrorContractFailed()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Fallback modifier to dispatch calls from the mirror NFT contract
    /// to internal functions in this contract.
    modifier dn404Fallback() virtual {
        dn404torage storage $ = _getdn404torage();

        uint256 fnSelector = _calldataload(0x00) >> 224;

        // `isApprovedForAll(address,address)`.
        if (fnSelector == 0xe985e9c5) {
            if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
            if (msg.data.length < 0x44) revert();

            address owner = address(uint160(_calldataload(0x04)));
            address operator = address(uint160(_calldataload(0x24)));

            _return($.operatorApprovals[owner][operator] ? 1 : 0);
        }
        // `ownerOf(uint256)`.
        if (fnSelector == 0x6352211e) {
            if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
            if (msg.data.length < 0x24) revert();

            uint256 id = _calldataload(0x04);

            _return(uint160(_ownerOf(id)));
        }
        // `transferFromNFT(address,address,uint256,address)`.
        if (fnSelector == 0xe5eb36c8) {
            if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
            if (msg.data.length < 0x84) revert();

            address from = address(uint160(_calldataload(0x04)));
            address to = address(uint160(_calldataload(0x24)));
            uint256 id = _calldataload(0x44);
            address msgSender = address(uint160(_calldataload(0x64)));

            _transferFromNFT(from, to, id, msgSender);
            _return(1);
        }
        // `setApprovalForAll(address,bool,address)`.
        if (fnSelector == 0x813500fc) {
            if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
            if (msg.data.length < 0x64) revert();

            address spender = address(uint160(_calldataload(0x04)));
            bool status = _calldataload(0x24) != 0;
            address msgSender = address(uint160(_calldataload(0x44)));

            _setApprovalForAll(spender, status, msgSender);
            _return(1);
        }
        // `approveNFT(address,uint256,address)`.
        if (fnSelector == 0xd10b6e0c) {
            if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
            if (msg.data.length < 0x64) revert();

            address spender = address(uint160(_calldataload(0x04)));
            uint256 id = _calldataload(0x24);
            address msgSender = address(uint160(_calldataload(0x44)));

            _return(uint160(_approveNFT(spender, id, msgSender)));
        }
        // `getApproved(uint256)`.
        if (fnSelector == 0x081812fc) {
            if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
            if (msg.data.length < 0x24) revert();

            uint256 id = _calldataload(0x04);

            _return(uint160(_getApproved(id)));
        }
        // `balanceOfNFT(address)`.
        if (fnSelector == 0xf5b100ea) {
            if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
            if (msg.data.length < 0x24) revert();

            address owner = address(uint160(_calldataload(0x04)));

            _return(_balanceOfNFT(owner));
        }
        // `totalNFTSupply()`.
        if (fnSelector == 0xe2c79281) {
            if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
            if (msg.data.length < 0x04) revert();

            _return(_totalNFTSupply());
        }
        // `implementsdn404()`.
        if (fnSelector == 0xb7a94eb8) {
            _return(1);
        }
        _;
    }

    /// @dev Fallback function for calls from mirror NFT contract.
    fallback() external payable virtual dn404Fallback {}

    receive() external payable virtual {}

    /*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
    /*                      PRIVATE HELPERS                       */
    /*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/

    /// @dev Struct containing packed log data for `Transfer` events to be
    /// emitted by the mirror NFT contract.
    struct _PackedLogs {
        uint256[] logs;
        uint256 offset;
    }

    /// @dev Initiates memory allocation for packed logs with `n` log items.
    function _packedLogsMalloc(uint256 n) private pure returns (_PackedLogs memory p) {
        /// @solidity memory-safe-assembly
        assembly {
            let logs := add(mload(0x40), 0x40) // Offset by 2 words for `_packedLogsSend`.
            mstore(logs, n)
            let offset := add(0x20, logs)
            mstore(0x40, add(offset, shl(5, n)))
            mstore(p, logs)
            mstore(add(0x20, p), offset)
        }
    }

    /// @dev Adds a packed log item to `p` with address `a`, token `id` and burn flag `burnBit`.
    function _packedLogsAppend(_PackedLogs memory p, address a, uint256 id, uint256 burnBit)
        private
        pure
    {
        /// @solidity memory-safe-assembly
        assembly {
            let offset := mload(add(0x20, p))
            mstore(offset, or(or(shl(96, a), shl(8, id)), burnBit))
            mstore(add(0x20, p), add(offset, 0x20))
        }
    }

    /// @dev Calls the `mirror` NFT contract to emit Transfer events for packed logs `p`.
    function _packedLogsSend(_PackedLogs memory p, address mirror) private {
        /// @solidity memory-safe-assembly
        assembly {
            let logs := mload(p)
            let o := sub(logs, 0x40) // Start of calldata to send.
            mstore(o, 0x263c69d6) // `logTransfer(uint256[])`.
            mstore(add(o, 0x20), 0x20) // Offset of `logs` in the calldata to send.
            let n := add(0x44, shl(5, mload(logs))) // Length of calldata to send.
            if iszero(and(eq(mload(o), 1), call(gas(), mirror, 0, add(o, 0x1c), n, o, 0x20))) {
                revert(o, 0x00)
            }
        }
    }

    /// @dev Struct of temporary variables for transfers.
    struct _TransferTemps {
        uint256 nftAmountToBurn;
        uint256 nftAmountToMint;
        uint256 fromBalance;
        uint256 toBalance;
        uint256 fromOwnedLength;
        uint256 toOwnedLength;
    }

    /// @dev Returns if `a` has bytecode of non-zero length.
    function _hasCode(address a) private view returns (bool result) {
        /// @solidity memory-safe-assembly
        assembly {
            result := extcodesize(a) // Can handle dirty upper bits.
        }
    }

    /// @dev Returns the calldata value at `offset`.
    function _calldataload(uint256 offset) private pure returns (uint256 value) {
        /// @solidity memory-safe-assembly
        assembly {
            value := calldataload(offset)
        }
    }

    /// @dev Executes a return opcode to return `x` and end the current call frame.
    function _return(uint256 x) private pure {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, x)
            return(0x00, 0x20)
        }
    }

    /// @dev Returns `max(0, x - y)`.
    function _zeroFloorSub(uint256 x, uint256 y) private pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            z := mul(gt(x, y), sub(x, y))
        }
    }

    /// @dev Returns `i << 1`.
    function _ownershipIndex(uint256 i) private pure returns (uint256) {
        return i << 1;
    }

    /// @dev Returns `(i << 1) + 1`.
    function _ownedIndex(uint256 i) private pure returns (uint256) {
        unchecked {
            return (i << 1) + 1;
        }
    }

    /// @dev Returns the uint32 value at `index` in `map`.
    function _get(Uint32Map storage map, uint256 index) private view returns (uint32 result) {
        result = uint32(map.map[index >> 3] >> ((index & 7) << 5));
    }

    /// @dev Updates the uint32 value at `index` in `map`.
    function _set(Uint32Map storage map, uint256 index, uint32 value) private {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x20, map.slot)
            mstore(0x00, shr(3, index))
            let s := keccak256(0x00, 0x40) // Storage slot.
            let o := shl(5, and(index, 7)) // Storage slot offset (bits).
            let v := sload(s) // Storage slot value.
            let m := 0xffffffff // Value mask.
            sstore(s, xor(v, shl(o, and(m, xor(shr(o, v), value)))))
        }
    }

    /// @dev Sets the owner alias and the owned index together.
    function _setOwnerAliasAndOwnedIndex(
        Uint32Map storage map,
        uint256 id,
        uint32 ownership,
        uint32 ownedIndex
    ) private {
        /// @solidity memory-safe-assembly
        assembly {
            let value := or(shl(32, ownedIndex), and(0xffffffff, ownership))
            mstore(0x20, map.slot)
            mstore(0x00, shr(2, id))
            let s := keccak256(0x00, 0x40) // Storage slot.
            let o := shl(6, and(id, 3)) // Storage slot offset (bits).
            let v := sload(s) // Storage slot value.
            let m := 0xffffffffffffffff // Value mask.
            sstore(s, xor(v, shl(o, and(m, xor(shr(o, v), value)))))
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Simple single owner authorization mixin.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)
///
/// @dev Note:
/// This implementation does NOT auto-initialize the owner to `msg.sender`.
/// You MUST call the `_initializeOwner` in the constructor / initializer.
///
/// While the ownable portion follows
/// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility,
/// the nomenclature for the 2-step ownership handover may be unique to this codebase.
abstract contract Ownable {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       CUSTOM ERRORS                        */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The caller is not authorized to call the function.
    error Unauthorized();

    /// @dev The `newOwner` cannot be the zero address.
    error NewOwnerIsZeroAddress();

    /// @dev The `pendingOwner` does not have a valid handover request.
    error NoHandoverRequest();

    /// @dev Cannot double-initialize.
    error AlreadyInitialized();

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                           EVENTS                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The ownership is transferred from `oldOwner` to `newOwner`.
    /// This event is intentionally kept the same as OpenZeppelin's Ownable to be
    /// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173),
    /// despite it not being as lightweight as a single argument event.
    event OwnershipTransferred(address indexed oldOwner, address indexed newOwner);

    /// @dev An ownership handover to `pendingOwner` has been requested.
    event OwnershipHandoverRequested(address indexed pendingOwner);

    /// @dev The ownership handover to `pendingOwner` has been canceled.
    event OwnershipHandoverCanceled(address indexed pendingOwner);

    /// @dev `keccak256(bytes("OwnershipTransferred(address,address)"))`.
    uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE =
        0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0;

    /// @dev `keccak256(bytes("OwnershipHandoverRequested(address)"))`.
    uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE =
        0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d;

    /// @dev `keccak256(bytes("OwnershipHandoverCanceled(address)"))`.
    uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE =
        0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                          STORAGE                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The owner slot is given by:
    /// `bytes32(~uint256(uint32(bytes4(keccak256("_OWNER_SLOT_NOT")))))`.
    /// It is intentionally chosen to be a high value
    /// to avoid collision with lower slots.
    /// The choice of manual storage layout is to enable compatibility
    /// with both regular and upgradeable contracts.
    bytes32 internal constant _OWNER_SLOT =
        0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff74873927;

    /// The ownership handover slot of `newOwner` is given by:
    /// ```
    ///     mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED))
    ///     let handoverSlot := keccak256(0x00, 0x20)
    /// ```
    /// It stores the expiry timestamp of the two-step ownership handover.
    uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                     INTERNAL FUNCTIONS                     */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Override to return true to make `_initializeOwner` prevent double-initialization.
    function _guardInitializeOwner() internal pure virtual returns (bool guard) {}

    /// @dev Initializes the owner directly without authorization guard.
    /// This function must be called upon initialization,
    /// regardless of whether the contract is upgradeable or not.
    /// This is to enable generalization to both regular and upgradeable contracts,
    /// and to save gas in case the initial owner is not the caller.
    /// For performance reasons, this function will not check if there
    /// is an existing owner.
    function _initializeOwner(address newOwner) internal virtual {
        if (_guardInitializeOwner()) {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                if sload(ownerSlot) {
                    mstore(0x00, 0x0dc149f0) // `AlreadyInitialized()`.
                    revert(0x1c, 0x04)
                }
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Store the new value.
                sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
            }
        } else {
            /// @solidity memory-safe-assembly
            assembly {
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Store the new value.
                sstore(_OWNER_SLOT, newOwner)
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
            }
        }
    }

    /// @dev Sets the owner directly without authorization guard.
    function _setOwner(address newOwner) internal virtual {
        if (_guardInitializeOwner()) {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
                // Store the new value.
                sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
            }
        } else {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
                // Store the new value.
                sstore(ownerSlot, newOwner)
            }
        }
    }

    /// @dev Throws if the sender is not the owner.
    function _checkOwner() internal view virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // If the caller is not the stored owner, revert.
            if iszero(eq(caller(), sload(_OWNER_SLOT))) {
                mstore(0x00, 0x82b42900) // `Unauthorized()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Returns how long a two-step ownership handover is valid for in seconds.
    /// Override to return a different value if needed.
    /// Made internal to conserve bytecode. Wrap it in a public function if needed.
    function _ownershipHandoverValidFor() internal view virtual returns (uint64) {
        return 48 * 3600;
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                  PUBLIC UPDATE FUNCTIONS                   */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Allows the owner to transfer the ownership to `newOwner`.
    function transferOwnership(address newOwner) public payable virtual onlyOwner {
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(shl(96, newOwner)) {
                mstore(0x00, 0x7448fbae) // `NewOwnerIsZeroAddress()`.
                revert(0x1c, 0x04)
            }
        }
        _setOwner(newOwner);
    }

    /// @dev Allows the owner to renounce their ownership.
    function renounceOwnership() public payable virtual onlyOwner {
        _setOwner(address(0));
    }

    /// @dev Request a two-step ownership handover to the caller.
    /// The request will automatically expire in 48 hours (172800 seconds) by default.
    function requestOwnershipHandover() public payable virtual {
        unchecked {
            uint256 expires = block.timestamp + _ownershipHandoverValidFor();
            /// @solidity memory-safe-assembly
            assembly {
                // Compute and set the handover slot to `expires`.
                mstore(0x0c, _HANDOVER_SLOT_SEED)
                mstore(0x00, caller())
                sstore(keccak256(0x0c, 0x20), expires)
                // Emit the {OwnershipHandoverRequested} event.
                log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller())
            }
        }
    }

    /// @dev Cancels the two-step ownership handover to the caller, if any.
    function cancelOwnershipHandover() public payable virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute and set the handover slot to 0.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, caller())
            sstore(keccak256(0x0c, 0x20), 0)
            // Emit the {OwnershipHandoverCanceled} event.
            log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller())
        }
    }

    /// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`.
    /// Reverts if there is no existing ownership handover requested by `pendingOwner`.
    function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute and set the handover slot to 0.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, pendingOwner)
            let handoverSlot := keccak256(0x0c, 0x20)
            // If the handover does not exist, or has expired.
            if gt(timestamp(), sload(handoverSlot)) {
                mstore(0x00, 0x6f5e8818) // `NoHandoverRequest()`.
                revert(0x1c, 0x04)
            }
            // Set the handover slot to 0.
            sstore(handoverSlot, 0)
        }
        _setOwner(pendingOwner);
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                   PUBLIC READ FUNCTIONS                    */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the owner of the contract.
    function owner() public view virtual returns (address result) {
        /// @solidity memory-safe-assembly
        assembly {
            result := sload(_OWNER_SLOT)
        }
    }

    /// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`.
    function ownershipHandoverExpiresAt(address pendingOwner)
        public
        view
        virtual
        returns (uint256 result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute the handover slot.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, pendingOwner)
            // Load the handover slot.
            result := sload(keccak256(0x0c, 0x20))
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                         MODIFIERS                          */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Marks a function as only callable by the owner.
    modifier onlyOwner() virtual {
        _checkOwner();
        _;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyInitialized","type":"error"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"DNAlreadyInitialized","type":"error"},{"inputs":[],"name":"InsufficientAllowance","type":"error"},{"inputs":[],"name":"InsufficientBalance","type":"error"},{"inputs":[],"name":"LinkMirrorContractFailed","type":"error"},{"inputs":[],"name":"Locked","type":"error"},{"inputs":[],"name":"MaxBalanceLimitReached","type":"error"},{"inputs":[],"name":"MirrorAddressIsZero","type":"error"},{"inputs":[],"name":"NewOwnerIsZeroAddress","type":"error"},{"inputs":[],"name":"NoHandoverRequest","type":"error"},{"inputs":[],"name":"SenderNotMirror","type":"error"},{"inputs":[],"name":"TokenDoesNotExist","type":"error"},{"inputs":[],"name":"TotalSupplyOverflow","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"roles","type":"uint256"}],"name":"RolesUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"bool","name":"status","type":"bool"}],"name":"SkipNFTSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Transfer","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"ADMIN_ROLE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"allBalanceLimitLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURILocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cancelOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"completeOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"gasBurnFactor","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"a","type":"address"}],"name":"getSkipNFT","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"roles","type":"uint256"}],"name":"grantRoles","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"roles","type":"uint256"}],"name":"hasAllRoles","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"roles","type":"uint256"}],"name":"hasAnyRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"mirror","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"isWhitelisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxBalanceLimit","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxBalanceLimitLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mirrorERC721","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"result","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"ownershipHandoverExpiresAt","outputs":[{"internalType":"uint256","name":"result","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"roles","type":"uint256"}],"name":"renounceRoles","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"requestOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bool","name":"status","type":"bool"}],"name":"reveal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revealed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"roles","type":"uint256"}],"name":"revokeRoles","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"rolesOf","outputs":[{"internalType":"uint256","name":"roles","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8","name":"value","type":"uint8"}],"name":"setFinalBalanceLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"gasBurnFactor_","type":"uint32"}],"name":"setGasFactorOn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8","name":"value","type":"uint8"}],"name":"setMaxBalanceLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"}],"name":"setNameAndSymbol","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"skipNFT","type":"bool"}],"name":"setSkipNFT","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bool","name":"status","type":"bool"}],"name":"setWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"result","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"whitelistLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

0x60806040526004361061026a575f3560e01c806353d6fd59116101435780639f7f69d5116100b5578063d73c1fb311610079578063d73c1fb314610ac3578063dd62ed3e14610ae1578063e436744514610b2d578063f04e283e14610b4c578063f2fde38b14610b5f578063fee81cf414610b7257610271565b80639f7f69d514610a47578063a9059cbb14610a66578063b698206914610817578063c4d66de814610a85578063c87b56dd14610aa457610271565b806370a082311161010757806370a08231146109c1578063715018a6146109e057806375b238fc146109e85780638da5cb5b146109fc578063940cd05b14610a1457806395d89b4114610a3357610271565b806353d6fd591461094357806354d1f13d1461096257806355f804b31461096a5780635a446215146109895780635d148e5c146109a857610271565b80632a6a935d116101dc5780633ccfd60b116101a05780633ccfd60b146108555780634a4ee7b1146108695780634ef41efc1461087c578063514e62fc146108b557806351830227146108ea5780635327bba31461090b57610271565b80632a6a935d146107b45780632de94807146107d3578063313ce5671461080457806339eb683b146108175780633af32abf1461083657610271565b8063183a4f6e1161022e578063183a4f6e146107135780631c10893f146107265780631cd64df41461073957806323b872dd1461076e578063256929621461078d578063274e430b1461079557610271565b806304dfe79d1461063457806306fdde031461066d578063095ea7b31461068e5780630ca03318146106bd57806318160ddd146106dd57610271565b3661027157005b68a20d6e21d0e52553085f3560e01c63e985e9c58190036103135760018201546001600160a01b031633146102b95760405163ce5a776b60e01b815260040160405180910390fd5b60443610156102c6575f80fd5b6004356001600160a01b038181165f908152600385016020908152604080832060243594851684529091529020546103109060ff16610305575f610308565b60015b60ff16610ba3565b50505b80636352211e036103775760018201546001600160a01b0316331461034b5760405163ce5a776b60e01b815260040160405180910390fd5b6024361015610358575f80fd5b60043561037561036782610bab565b6001600160a01b0316610ba3565b505b8063e5eb36c8036103e35760018201546001600160a01b031633146103af5760405163ce5a776b60e01b815260040160405180910390fd5b60843610156103bc575f80fd5b6004356024356044356064356103d484848484610be1565b6103de6001610ba3565b505050505b8063813500fc0361047b5760018201546001600160a01b0316331461041b5760405163ce5a776b60e01b815260040160405180910390fd5b6064361015610428575f80fd5b6001600160a01b036044358181165f90815268a20d6e21d0e525530b6020908152604080832060043595861684529091529020805460ff19166024351515908117909155906104776001610ba3565b5050505b8063d10b6e0c036104db5760018201546001600160a01b031633146104b35760405163ce5a776b60e01b815260040160405180910390fd5b60643610156104c0575f80fd5b6004356024356044356104d7610367848484610c28565b5050505b8063081812fc036105315760018201546001600160a01b031633146105135760405163ce5a776b60e01b815260040160405180910390fd5b6024361015610520575f80fd5b60043561052f61036782610d1b565b505b8063f5b100ea036105b75760018201546001600160a01b031633146105695760405163ce5a776b60e01b815260040160405180910390fd5b6024361015610576575f80fd5b6004356105b56105b0826001600160a01b03165f90815268a20d6e21d0e5255310602052604090205463ffffffff600160801b9091041690565b610ba3565b505b8063e2c792810361061d5760018201546001600160a01b031633146105ef5760405163ce5a776b60e01b815260040160405180910390fd5b60043610156105fc575f80fd5b68a20d6e21d0e52553085461061d90600160401b900463ffffffff16610ba3565b8063b7a94eb803610632576106326001610ba3565b005b34801561063f575f80fd5b506003546106569065010000000000900460ff1681565b60405160ff90911681526020015b60405180910390f35b348015610678575f80fd5b50610681610d65565b6040516106649190612513565b348015610699575f80fd5b506106ad6106a8366004612575565b610df4565b6040519015158152602001610664565b3480156106c8575f80fd5b506003546106ad906301000000900460ff1681565b3480156106e8575f80fd5b5068a20d6e21d0e525530854600160601b90046001600160601b03165b604051908152602001610664565b61063261072136600461259d565b610e68565b610632610734366004612575565b610e75565b348015610744575f80fd5b506106ad610753366004612575565b638b78c6d8600c9081525f9290925260209091205481161490565b348015610779575f80fd5b506106ad6107883660046125b4565b610e8b565b610632610f2b565b3480156107a0575f80fd5b506106ad6107af3660046125ed565b610f78565b3480156107bf575f80fd5b506106326107ce366004612615565b610fc6565b3480156107de575f80fd5b506107056107ed3660046125ed565b638b78c6d8600c9081525f91909152602090205490565b34801561080f575f80fd5b506012610656565b348015610822575f80fd5b5061063261083136600461262e565b610fd0565b348015610841575f80fd5b506106ad6108503660046125ed565b611000565b348015610860575f80fd5b50610632611018565b610632610877366004612575565b61102c565b348015610887575f80fd5b5068a20d6e21d0e5255309546001600160a01b03165b6040516001600160a01b039091168152602001610664565b3480156108c0575f80fd5b506106ad6108cf366004612575565b638b78c6d8600c9081525f9290925260209091205416151590565b3480156108f5575f80fd5b506003546106ad90640100000000900460ff1681565b348015610916575f80fd5b5060035461092e90600160301b900463ffffffff1681565b60405163ffffffff9091168152602001610664565b34801561094e575f80fd5b5061063261095d36600461264e565b61103e565b610632611081565b348015610975575f80fd5b506106326109843660046126bd565b6110ba565b348015610994575f80fd5b506106326109a33660046126fc565b6110d2565b3480156109b3575f80fd5b506003546106ad9060ff1681565b3480156109cc575f80fd5b506107056109db3660046125ed565b6110ff565b610632611131565b3480156109f3575f80fd5b50610705600181565b348015610a07575f80fd5b50638b78c6d8195461089d565b348015610a1f575f80fd5b50610632610a2e366004612615565b611144565b348015610a3e575f80fd5b5061068161116c565b348015610a52575f80fd5b50610632610a61366004612763565b61117b565b348015610a71575f80fd5b506106ad610a80366004612575565b6111b0565b348015610a90575f80fd5b50610632610a9f3660046125ed565b6111c5565b348015610aaf575f80fd5b50610681610abe36600461259d565b6111fe565b348015610ace575f80fd5b506003546106ad90610100900460ff1681565b348015610aec575f80fd5b50610705610afb366004612786565b6001600160a01b039182165f90815268a20d6e21d0e525530d6020908152604080832093909416825291909152205490565b348015610b38575f80fd5b506003546106ad9062010000900460ff1681565b610632610b5a3660046125ed565b6112f6565b610632610b6d3660046125ed565b611330565b348015610b7d575f80fd5b50610705610b8c3660046125ed565b63389a75e1600c9081525f91909152602090205490565b805f5260205ff35b5f610bb582611356565b610bd25760405163677510db60e11b815260040160405180910390fd5b610bdb82611372565b92915050565b610bed848484846113c5565b610bf78484611726565b826001600160a01b0316846001600160a01b031614610c2257610c2284670de0b6b3a76400006117d3565b50505050565b5f68a20d6e21d0e52553088168a20d6e21d0e525530a81610c7468a20d6e21d0e525530f600189901b5b600381901c5f90815260209290925260409091205460059190911b60e0161c90565b63ffffffff16815260208101919091526040015f20546001600160a01b03908116915084168114610ce6576001600160a01b038082165f90815260038401602090815260408083209388168352929052205460ff16610ce6576040516367d9dca160e11b815260040160405180910390fd5b5f8581526004909201602052604090912080546001600160a01b0387166001600160a01b031990911617905590509392505050565b5f610d2582611356565b610d425760405163677510db60e11b815260040160405180910390fd5b505f90815268a20d6e21d0e525530c60205260409020546001600160a01b031690565b60605f8054610d73906127ae565b80601f0160208091040260200160405190810160405280929190818152602001828054610d9f906127ae565b8015610dea5780601f10610dc157610100808354040283529160200191610dea565b820191905f5260205f20905b815481529060010190602001808311610dcd57829003601f168201915b5050505050905090565b5f8068a20d6e21d0e5255308335f81815260058301602090815260408083206001600160a01b038a16808552908352928190208890555187815293945090927f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925910160405180910390a35060019392505050565b610e72338261184c565b50565b610e7d611857565b610e878282611871565b5050565b6001600160a01b0383165f90815268a20d6e21d0e525530d6020908152604080832033845290915281205468a20d6e21d0e5255308905f198114610f145780841115610eea576040516313be252b60e01b815260040160405180910390fd5b6001600160a01b0386165f9081526005830160209081526040808320338452909152902084820390555b610f1f86868661187d565b50600195945050505050565b5f6202a30067ffffffffffffffff164201905063389a75e1600c52335f52806020600c2055337fdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d5f80a250565b6001600160a01b0381165f90815268a20d6e21d0e5255310602052604081208054600160581b90046001168203610fb357823b5b9392505050565b54600160581b9004600216151592915050565b610e7233826118b5565b6001610fdb81611944565b506003805460ff909216650100000000000265ff000000000019909216919091179055565b5f610bdb61100d83611975565b60571c600116151590565b600161102381611944565b610e72336119a0565b611034611857565b610e87828261184c565b600161104981611944565b600354610100900460ff1615611072576040516303cb96db60e21b815260040160405180910390fd5b61107c83836119b9565b505050565b63389a75e1600c52335f525f6020600c2055337ffa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c925f80a2565b60016110c581611944565b6002610c22838583612838565b60016110dd81611944565b5f6110e9858783612838565b5060016110f7838583612838565b505050505050565b6001600160a01b03165f90815268a20d6e21d0e52553106020526040902054600160a01b90046001600160601b031690565b611139611857565b6111425f6119de565b565b61114c611857565b600380549115156401000000000264ff0000000019909216919091179055565b606060018054610d73906127ae565b600161118681611944565b506003805463ffffffff909216600160301b0269ffffffff00000000000019909216919091179055565b5f6111bc33848461187d565b50600192915050565b60016111d081611944565b5f6111e5670de0b6b3a7640000612710612906565b9050336111f3828286611a1b565b610c228160016119b9565b606061120982611356565b6112265760405163677510db60e11b815260040160405180910390fd5b60028054611233906127ae565b1590506112f157610bdb6002805461124a906127ae565b80601f0160208091040260200160405190810160405280929190818152602001828054611276906127ae565b80156112c15780601f10611298576101008083540402835291602001916112c1565b820191905f5260205f20905b8154815290600101906020018083116112a457829003601f168201915b5050505050604051806040016040528060048152602001637b69647d60e01b8152506112ec85611ba9565b611beb565b919050565b6112fe611857565b63389a75e1600c52805f526020600c20805442111561132457636f5e88185f526004601cfd5b5f9055610e72816119de565b611338611857565b8060601b61134d57637448fbae5f526004601cfd5b610e72816119de565b5f8061136183611372565b6001600160a01b0316141592915050565b5f68a20d6e21d0e525530868a20d6e21d0e525530a8261139f68a20d6e21d0e525530f600187901b610c52565b63ffffffff16815260208101919091526040015f20546001600160a01b03169392505050565b68a20d6e21d0e52553086001600160a01b0384166113f657604051633a954ecd60e21b815260040160405180910390fd5b5f816002015f61140d84600701610c528860011b90565b63ffffffff16815260208101919091526040015f20546001600160a01b039081169150861681146114505760405162a1148160e81b815260040160405180910390fd5b856001600160a01b0316836001600160a01b0316146114d2576001600160a01b038087165f90815260038401602090815260408083209387168352929052205460ff166114d2575f8481526004830160205260409020546001600160a01b038481169116146114d257604051632ce44b5f60e11b815260040160405180910390fd5b5f6114dc87611d0b565b90505f6114e887611d0b565b8254909150670de0b6b3a7640000908390601490611517908490600160a01b90046001600160601b031661291d565b82546101009290920a6001600160601b0381810219909316918316021790915582546001600160a01b038116670de0b6b3a7640000600160a01b92839004841601909216021782555061157b60078501600188901b611576848b611d76565b611e16565b5f868152600485016020908152604080832080546001600160a01b03191690556001600160a01b038b168352600687018252808320855463ffffffff60801b198116600160801b9182900463ffffffff9081165f1901908116909202178755631fffffff600382901c168552925282205460059190911b60e0161c6001600160a01b038a165f908152600687016020526040902063ffffffff91909116915061163c906116306007880160018b811b01610c52565b63ffffffff1683611e16565b8154600163ffffffff600160801b80840482169283019091160263ffffffff60801b1990921691909117835561168e6007870161167c84600190811b0190565b61157660078a0160018d811b01610c52565b6001600160a01b0389165f90815260068701602052604090206116b290828a611e16565b6116c56007870160018a811b0183611e16565b5050866001600160a01b0316886001600160a01b03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef670de0b6b3a764000060405161171491815260200190565b60405180910390a35050505050505050565b60035465010000000000900460ff165f81900361174257505050565b80670de0b6b3a764000002611756836110ff565b1161176057505050565b61176c61100d83611975565b1561177657505050565b638b78c6d819546001600160a01b0316836001600160a01b03160361179a57505050565b638b78c6d8600c9081525f8490526020902054600116156117ba57505050565b6040516303cab2ff60e21b815260040160405180910390fd5b600354600160301b900463ffffffff165f8190036117f057505050565b5f8061180e846117ff87611975565b6001600160581b031690611e48565b915091506002811061183b5780800283026301312d0080821061182f578091505b61183882611ebc565b50505b6118458583611eef565b5050505050565b610e8782825f611f33565b638b78c6d819543314611142576382b429005f526004601cfd5b610e8782826001611f33565b611888838383611f8a565b6118928383611726565b816001600160a01b0316836001600160a01b03161461107c5761107c83826117d3565b5f6118bf83611d0b565b8054909150600160581b90046002161515821515146118fa57805460ff600160581b80830482166002189091160260ff60581b199091161781555b826001600160a01b03167fb5a1de456fff688115a4f75380060c23c8532d14ff85f687cc871456d642039383604051611937911515815260200190565b60405180910390a2505050565b638b78c6d819543314610e7257638b78c6d8600c52335f52806020600c205416610e72576382b429005f526004601cfd5b6001600160a01b03165f90815268a20d6e21d0e525531060205260409020546001600160581b031690565b5f385f3847855af1610e725763b12d13eb5f526004601cfd5b610e87826119d9836119ca86611975565b6001600160581b031690612446565b611eef565b638b78c6d81980546001600160a01b039092169182907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e05f80a355565b68a20d6e21d0e52553088054640100000000900463ffffffff1615611a5357604051633ab534b960e21b815260040160405180910390fd5b6001600160a01b038216611a7a576040516339a84a7b60e01b815260040160405180910390fd5b611a838261246b565b805467ffffffff0000000019166401000000001781556001810180546001600160a01b0384166001600160a01b03199091161790558315610c22576001600160a01b038316611ae557604051633a954ecd60e21b815260040160405180910390fd5b6b0de0b6b39983494c589bffff841115611b125760405163e5cfe95760e01b815260040160405180910390fd5b80546bffffffffffffffffffffffff60601b1916600160601b6001600160601b038616021781555f611b4384611d0b565b80546001600160a01b03908116600160a01b6001600160601b038916021782556040518781529192508516905f907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef9060200160405180910390a36118458460016118b5565b60606080604051019050602081016040525f8152805f19835b928101926030600a8206018453600a900480611bc2575050819003601f19909101908152919050565b60608351835183516020870196506020860195506020850194506020604051019350828701838311611cbb576001838203015f60208510611c2b57508388205b601f851660200360031b89515b8b51818118831c611ca2578315611c725783888e2014611c7257808a5260019c8d019c90990198848d10611c6c5750611cb6565b50611c38565b5f5b8b8101518b820152602001878110611c7457509b87019b988601988715611ca257848d10611c6c5750611cb6565b895260019b8c019b90980197838c10611c38575b505050505b84935060206040510194508781038585030192505b80881015611ceb578751845260209788019790930192611cd0565b50505f818401908152602001604052601f19909201918252509392505050565b6001600160a01b0381165f90815268a20d6e21d0e5255310602052604081208054909168a20d6e21d0e525530891600160581b90046001169003611d70576001833b15611d56576002175b825460ff909116600160581b0260ff60581b199091161782555b50919050565b8154600160601b900463ffffffff1668a20d6e21d0e52553085f829003611e0f57805481905f90611dac9063ffffffff1661293d565b825463ffffffff8083166101009490940a848102910219909116179092558554600160601b820263ffffffff60601b199091161786555f908152600283016020526040902080546001600160a01b0386166001600160a01b031990911617905591505b5092915050565b826020528160031c5f5260405f206007831660051b815463ffffffff8482841c188116831b8218845550505050505050565b5f80605784901c60011615611e6157508290505f611eb5565b637fffffff620151804204811690603886901c1666ffffffffffffff8616818314611e8c57508190505f5b60389190911b66ffffffffffffff602887901c811692909201918216179350620de0b690049150505b9250929050565b80600117601052605b810460788211025f5b818114611ee45760108080209052600101611ece565b5050601051610e7257fe5b6001600160a01b03919091165f90815268a20d6e21d0e52553106020526040902080546affffffffffffffffffffff19166001600160581b03909216919091179055565b638b78c6d8600c52825f526020600c20805483811783611f54575080841681185b80835580600c5160601c7f715ad5ce61fc9595c7b415289d59cf203f23a94fa06f04af7e489a0a76e1fe265f80a3505050505050565b6001600160a01b038216611fb157604051633a954ecd60e21b815260040160405180910390fd5b68a20d6e21d0e52553085f611fc585611d0b565b90505f611fd185611d0b565b90506120066040518060c001604052805f81526020015f81526020015f81526020015f81526020015f81526020015f81525090565b825463ffffffff600160801b808304821660808501528454041660a08301526001600160601b03600160a01b909104166040820181905285111561205d57604051631e9acf1760e31b815260040160405180910390fd5b6040810180518690039081905283546001600160601b03808316600160a01b9081026001600160a01b03938416178755855481810483168a016060870181905290921602911617835560808201516120c391670de0b6b3a7640000900480821191030290565b81528154600160581b90046002165f0361213157856001600160a01b0316876001600160a01b0316036120fe57805160808201510360a08201525b61212b670de0b6b3a764000082606001518161211c5761211c61295f565b048260a0015180821191030290565b60208201525b5f6121788260200151835f01510160408051808201909152606081525f60208201526040805101828152806020018360051b81016040528183528083602001525050919050565b82519091501561226d576001600160a01b0388165f908152600686016020526040902060808301518351875463ffffffff600160401b808304821684900382160263ffffffff60401b199092169190911789558754918303908116600160801b0263ffffffff60801b199092169190911787555b5f1991909101600381901c5f90815260208490526040812054919291600584901b60e0161c63ffffffff16905061222889600701825f80612498565b5f81815260048a016020908152604090912080546001600160a01b0319169055858101805160089390931b60608f901b176001178352910190528082036121ec575050505b6020820151156123ce576001600160a01b0387165f9081526006860160209081526040822060a0850151918501519092908201906122ab878c611d76565b8954602088015163ffffffff60401b19821663ffffffff600160401b80850482169093018116909202178c55895463ffffffff60801b1916600160801b86831602178a55919250670de0b6b3a7640000600160601b82046001600160601b03160491640100000000909104165b6123298b600701610c528360011b90565b63ffffffff16156123485760010181811115612343575060015b612318565b612353868683611e16565b6123688b600701828588806001019950612498565b612391878e835f8360200151818360081b8560601b171781526020810185602001525050505050565b600101818111156123a0575060015b838503612318578a5463ffffffff9091166401000000000267ffffffff0000000019909116178a5550505050505b805151156123ef5760018501546123ef9082906001600160a01b03166124dc565b50856001600160a01b0316876001600160a01b03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef8760405161243591815260200190565b60405180910390a350505050505050565b5f6001605784901c1615158215151461246457600160571b92909218915b5090919050565b630f4599e55f523360205260205f6024601c5f855af160015f511416610e725763d125259c5f526004601cfd5b8163ffffffff168160201b17846020528360021c5f5260405f206003851660061b815467ffffffffffffffff8482841c188116831b82188455505050505050505050565b81516040810363263c69d68152602080820152815160051b604401915060208183601c84015f875af1600182511416610c22575f81fd5b5f602080835283518060208501525f5b8181101561253f57858101830151858201604001528201612523565b505f604082860101526040601f19601f8301168501019250505092915050565b80356001600160a01b03811681146112f1575f80fd5b5f8060408385031215612586575f80fd5b61258f8361255f565b946020939093013593505050565b5f602082840312156125ad575f80fd5b5035919050565b5f805f606084860312156125c6575f80fd5b6125cf8461255f565b92506125dd6020850161255f565b9150604084013590509250925092565b5f602082840312156125fd575f80fd5b610fac8261255f565b803580151581146112f1575f80fd5b5f60208284031215612625575f80fd5b610fac82612606565b5f6020828403121561263e575f80fd5b813560ff81168114610fac575f80fd5b5f806040838503121561265f575f80fd5b6126688361255f565b915061267660208401612606565b90509250929050565b5f8083601f84011261268f575f80fd5b50813567ffffffffffffffff8111156126a6575f80fd5b602083019150836020828501011115611eb5575f80fd5b5f80602083850312156126ce575f80fd5b823567ffffffffffffffff8111156126e4575f80fd5b6126f08582860161267f565b90969095509350505050565b5f805f806040858703121561270f575f80fd5b843567ffffffffffffffff80821115612726575f80fd5b6127328883890161267f565b9096509450602087013591508082111561274a575f80fd5b506127578782880161267f565b95989497509550505050565b5f60208284031215612773575f80fd5b813563ffffffff81168114610fac575f80fd5b5f8060408385031215612797575f80fd5b6127a08361255f565b91506126766020840161255f565b600181811c908216806127c257607f821691505b602082108103611d7057634e487b7160e01b5f52602260045260245ffd5b634e487b7160e01b5f52604160045260245ffd5b601f82111561107c57805f5260205f20601f840160051c810160208510156128195750805b601f840160051c820191505b81811015611845575f8155600101612825565b67ffffffffffffffff831115612850576128506127e0565b6128648361285e83546127ae565b836127f4565b5f601f841160018114612895575f851561287e5750838201355b5f19600387901b1c1916600186901b178355611845565b5f83815260208120601f198716915b828110156128c457868501358255602094850194600190920191016128a4565b50868210156128e0575f1960f88860031b161c19848701351681555b505060018560011b0183555050505050565b634e487b7160e01b5f52601160045260245ffd5b8082028115828204841417610bdb57610bdb6128f2565b6001600160601b03828116828216039080821115611e0f57611e0f6128f2565b5f63ffffffff808316818103612955576129556128f2565b6001019392505050565b634e487b7160e01b5f52601260045260245ffdfea26469706673582212208efff57b1d188021eca4338fbdb06bc07c4071883d2376ce3946caae7bb86a2f64736f6c63430008170033