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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import "@openzeppelin/contracts/access/Ownable.sol";
import "./libraries/DataTypes.sol";

contract AuctionManager is Ownable {
    address public swapExecutor;
    mapping(uint256 => DataTypes.Auction) public auctions;
    uint256 auctionDuration;

    event AuctionCreated(uint256 indexed orderId);
    event AuctionFinalized(
        uint256 indexed orderId, 
        address indexed winner,
        bytes strategy
    );

    constructor(address _swapExecutor, uint256 _auctionDuration) Ownable(msg.sender) {
        swapExecutor = _swapExecutor;
        auctionDuration = _auctionDuration;
    }

    function createAuction(uint256 orderId) public {
        require(msg.sender == swapExecutor, "Unauthorized");
        require(!auctions[orderId].finalized, "Auction exists");

        auctions[orderId] = DataTypes.Auction({
            orderId: orderId,
            winner: address(0),
            strategy: "",
            finalized: false,
            endTime: block.timestamp + auctionDuration
        });

        emit AuctionCreated(orderId);
    }

    function finalizeAuction(
        uint256 orderId,
        address winner,
        bytes calldata strategy
    ) external onlyOwner {
        DataTypes.Auction storage auction = auctions[orderId];
        require(!auction.finalized, "Already finalized");
        require(block.timestamp >= auction.endTime, "Auction not ended");
        
        auction.winner = winner;
        auction.strategy = strategy;
        auction.finalized = true;

        emit AuctionFinalized(orderId, winner, strategy);
    }

    function setAuctionDuration(uint256 _newAuctionDuration) external onlyOwner {
        auctionDuration = _newAuctionDuration;
    }

    function setSwapExecutor(address _newSwapExecutor) external onlyOwner {
        swapExecutor = _newSwapExecutor;
    }
}

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

pragma solidity ^0.8.20;

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

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

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

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

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

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

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

library DataTypes {
    struct Solver {
        address solverAddress;
        uint256 deposit;
        bool isActive;
    }

    struct Order {
        address creator;
        address sourceToken;
        uint256 sourceAmount;
        address targetToken;
        uint256 minTargetAmount;
        // uint256 deadline;
        bool executed;
    }

    struct Auction {
        uint256 orderId;
        address winner;
        bytes strategy;
        bool finalized;
        uint256 endTime;
    }
}

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

pragma solidity ^0.8.20;

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

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

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

{
  "remappings": [
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false,
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"_swapExecutor","type":"address"},{"internalType":"uint256","name":"_auctionDuration","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"orderId","type":"uint256"}],"name":"AuctionCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"orderId","type":"uint256"},{"indexed":true,"internalType":"address","name":"winner","type":"address"},{"indexed":false,"internalType":"bytes","name":"strategy","type":"bytes"}],"name":"AuctionFinalized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"auctions","outputs":[{"internalType":"uint256","name":"orderId","type":"uint256"},{"internalType":"address","name":"winner","type":"address"},{"internalType":"bytes","name":"strategy","type":"bytes"},{"internalType":"bool","name":"finalized","type":"bool"},{"internalType":"uint256","name":"endTime","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"orderId","type":"uint256"}],"name":"createAuction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"orderId","type":"uint256"},{"internalType":"address","name":"winner","type":"address"},{"internalType":"bytes","name":"strategy","type":"bytes"}],"name":"finalizeAuction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newAuctionDuration","type":"uint256"}],"name":"setAuctionDuration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newSwapExecutor","type":"address"}],"name":"setSwapExecutor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"swapExecutor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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