// File: contracts/DutchAuctionFactory.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.7.6;

import "./libraries/CloneLibrary.sol";

contract DutchAuctionFactory {
    using CloneLibrary for address;

    event NewDutchAuctionContract(address deployed);
    address public owner;
    address payable public router;
    address public dutchAuctionImplementation;

    constructor(address dutchAuctionImplementation_, address payable router_) {
        owner = msg.sender;
        dutchAuctionImplementation = dutchAuctionImplementation_;
        router = router_;
    }

    function DutchAuctionMint(
        address token_,
        address payable owner_
    ) public returns (address dutchAuction){

        dutchAuction = dutchAuctionImplementation.createClone();

        DutchAuctionInterface(dutchAuction).initialize(
            token_,
            owner_,
            address(this)
        );

        emit NewDutchAuctionContract(address(dutchAuction));
    }

    function setNewOwner(address newOwner) public {
        require(msg.sender == owner, "Only owner");
        owner = newOwner;
    }

    function setNewImplementation(address newImplementation) public {
        require(msg.sender == owner, "Only owner");
        dutchAuctionImplementation = newImplementation;
    }

    function setNewRouter(address payable newRouter) public {
        require(msg.sender == owner, "Only owner");
        router = newRouter;
    }

    function getRouter() external view returns (address payable) {
        return router;
    }
}

interface DutchAuctionInterface {
    function initialize(
        address token,
        address payable owner,
        address factory
    ) external;
}
// File: contracts/libraries/CloneLibrary.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly


/**
 * EIP 1167 Proxy Deployment
 * Originally from https://github.com/optionality/clone-factory/
 */
library CloneLibrary {

    function createClone(address target) internal returns (address result) {
        // Reserve 55 bytes for the deploy code + 17 bytes as a buffer to prevent overwriting
        // other memory in the final mstore
        bytes memory cloneBuffer = new bytes(72);
        assembly {
            let clone := add(cloneBuffer, 32)
            mstore(clone, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(clone, 0x14), shl(96, target))
            mstore(add(clone, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
            result := create(0, clone, 0x37)
        }
    }


    function isClone(address target, address query) internal view returns (bool result) {
        assembly {
            let clone := mload(0x40)
            mstore(clone, 0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000)
            mstore(add(clone, 0xa), shl(96, target))
            mstore(add(clone, 0x1e), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)

            let other := add(clone, 0x40)
            extcodecopy(query, other, 0, 0x2d)
            result := and(
                eq(mload(clone), mload(other)),
                eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
            )
        }
    }
}