// File: contracts/lib/Ownable.sol

/*

    Copyright 2020 DODO ZOO.
    SPDX-License-Identifier: Apache-2.0

*/

pragma solidity 0.6.9;
pragma experimental ABIEncoderV2;

/**
 * @title Ownable
 * @author DODO Breeder
 *
 * @notice Ownership related functions
 */
contract Ownable {
    address public _OWNER_;
    address public _NEW_OWNER_;

    // ============ Events ============

    event OwnershipTransferPrepared(address indexed previousOwner, address indexed newOwner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    // ============ Modifiers ============

    modifier onlyOwner() {
        require(msg.sender == _OWNER_, "NOT_OWNER");
        _;
    }

    // ============ Functions ============

    constructor() internal {
        _OWNER_ = msg.sender;
        emit OwnershipTransferred(address(0), _OWNER_);
    }

    function transferOwnership(address newOwner) external onlyOwner {
        require(newOwner != address(0), "INVALID_OWNER");
        emit OwnershipTransferPrepared(_OWNER_, newOwner);
        _NEW_OWNER_ = newOwner;
    }

    function claimOwnership() external {
        require(msg.sender == _NEW_OWNER_, "INVALID_CLAIM");
        emit OwnershipTransferred(_OWNER_, _NEW_OWNER_);
        _OWNER_ = _NEW_OWNER_;
        _NEW_OWNER_ = address(0);
    }
}

// File: contracts/intf/IDODO.sol

/*

    Copyright 2020 DODO ZOO.

*/

interface IDODO {
    function init(
        address owner,
        address supervisor,
        address maintainer,
        address baseToken,
        address quoteToken,
        address oracle,
        uint256 lpFeeRate,
        uint256 mtFeeRate,
        uint256 k,
        uint256 gasPriceLimit
    ) external;

    function transferOwnership(address newOwner) external;

    function claimOwnership() external;

    function sellBaseToken(
        uint256 amount,
        uint256 minReceiveQuote,
        bytes calldata data
    ) external returns (uint256);

    function buyBaseToken(
        uint256 amount,
        uint256 maxPayQuote,
        bytes calldata data
    ) external returns (uint256);

    function querySellBaseToken(uint256 amount) external view returns (uint256 receiveQuote);

    function queryBuyBaseToken(uint256 amount) external view returns (uint256 payQuote);

    function depositBaseTo(address to, uint256 amount) external returns (uint256);

    function withdrawBase(uint256 amount) external returns (uint256);

    function withdrawAllBase() external returns (uint256);

    function depositQuoteTo(address to, uint256 amount) external returns (uint256);

    function withdrawQuote(uint256 amount) external returns (uint256);

    function withdrawAllQuote() external returns (uint256);

    function _BASE_CAPITAL_TOKEN_() external returns (address);

    function _QUOTE_CAPITAL_TOKEN_() external returns (address);

    function _BASE_TOKEN_() external returns (address);

    function _QUOTE_TOKEN_() external returns (address);
}

// File: contracts/helper/CloneFactory.sol

/*

    Copyright 2020 DODO ZOO.

*/

interface ICloneFactory {
    function clone(address prototype) external returns (address proxy);
}

// introduction of proxy mode design: https://docs.openzeppelin.com/upgrades/2.8/
// minimum implementation of transparent proxy: https://eips.ethereum.org/EIPS/eip-1167

contract CloneFactory is ICloneFactory {
    function clone(address prototype) external override returns (address proxy) {
        bytes20 targetBytes = bytes20(prototype);
        assembly {
            let clone := mload(0x40)
            mstore(clone, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(clone, 0x14), targetBytes)
            mstore(
                add(clone, 0x28),
                0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
            )
            proxy := create(0, clone, 0x37)
        }
        return proxy;
    }
}

// File: contracts/DODOZoo.sol

/*

    Copyright 2020 DODO ZOO.

*/

/**
 * @title DODOZoo
 * @author DODO Breeder
 *
 * @notice Register of All DODO
 */
contract DODOZooEventTrigger is Ownable {
    
    // ============ Events ============

    event DODOBirth(address newBorn, address baseToken, address quoteToken);

    // ============ Admin Function ============

    function triggerBirth(address dodo) external onlyOwner {
        address baseToken = IDODO(dodo)._BASE_TOKEN_();
        address quoteToken = IDODO(dodo)._QUOTE_TOKEN_();
        emit DODOBirth(dodo, baseToken,quoteToken);
    }
}