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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { PoolBoosterSwapxDouble } from "./PoolBoosterSwapxDouble.sol";
import { AbstractPoolBoosterFactory, IPoolBoostCentralRegistry } from "./AbstractPoolBoosterFactory.sol";

/**
 * @title Pool booster factory for creating Swapx Ichi pool boosters where both of the
 *        gauges need incentivizing.
 * @author Origin Protocol Inc
 */
contract PoolBoosterFactorySwapxDouble is AbstractPoolBoosterFactory {
    uint256 public constant version = 1;

    // @param address _oSonic address of the OSonic token
    // @param address _governor address governor
    // @param address _centralRegistry address of the central registry
    constructor(
        address _oSonic,
        address _governor,
        address _centralRegistry
    ) AbstractPoolBoosterFactory(_oSonic, _governor, _centralRegistry) {}

    /**
     * @dev Create a Pool Booster for SwapX Ichi vault based pool where 2 Bribe contracts need to be
     *      bribed
     * @param _bribeAddressOS address of the Bribes.sol(Bribe) contract for the OS token side
     * @param _bribeAddressOther address of the Bribes.sol(Bribe) contract for the other token in the pool
     * @param _ammPoolAddress address of the AMM pool where the yield originates from
     * @param _split 1e18 denominated split between OS and Other bribe. E.g. 0.4e17 means 40% to OS
     *        bribe contract and 60% to other bribe contract
     * @param _salt A unique number that affects the address of the pool booster created. Note: this number
     *        should match the one from `computePoolBoosterAddress` in order for the final deployed address
     *        and pre-computed address to match
     */
    function createPoolBoosterSwapxDouble(
        address _bribeAddressOS,
        address _bribeAddressOther,
        address _ammPoolAddress,
        uint256 _split,
        uint256 _salt
    ) external onlyGovernor {
        require(
            _ammPoolAddress != address(0),
            "Invalid ammPoolAddress address"
        );
        require(_salt > 0, "Invalid salt");

        address poolBoosterAddress = _deployContract(
            abi.encodePacked(
                type(PoolBoosterSwapxDouble).creationCode,
                abi.encode(_bribeAddressOS, _bribeAddressOther, oSonic, _split)
            ),
            _salt
        );

        _storePoolBoosterEntry(
            poolBoosterAddress,
            _ammPoolAddress,
            IPoolBoostCentralRegistry.PoolBoosterType.SwapXDoubleBooster
        );
    }

    /**
     * @dev Compute the address of the pool booster to be deployed.
     * @param _bribeAddressOS address of the Bribes.sol(Bribe) contract for the OS token side
     * @param _bribeAddressOther address of the Bribes.sol(Bribe) contract for the other token in the pool
     * @param _ammPoolAddress address of the AMM pool where the yield originates from
     * @param _split 1e18 denominated split between OS and Other bribe. E.g. 0.4e17 means 40% to OS
     *        bribe contract and 60% to other bribe contract
     * @param _salt A unique number that affects the address of the pool booster created. Note: this number
     *        should match the one from `createPoolBoosterSwapxDouble` in order for the final deployed address
     *        and pre-computed address to match
     */
    function computePoolBoosterAddress(
        address _bribeAddressOS,
        address _bribeAddressOther,
        address _ammPoolAddress,
        uint256 _split,
        uint256 _salt
    ) external view returns (address) {
        require(
            _ammPoolAddress != address(0),
            "Invalid ammPoolAddress address"
        );
        require(_salt > 0, "Invalid salt");

        return
            _computeAddress(
                abi.encodePacked(
                    type(PoolBoosterSwapxDouble).creationCode,
                    abi.encode(
                        _bribeAddressOS,
                        _bribeAddressOther,
                        oSonic,
                        _split
                    )
                ),
                _salt
            );
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @title Base for contracts that are managed by the Origin Protocol's Governor.
 * @dev Copy of the openzeppelin Ownable.sol contract with nomenclature change
 *      from owner to governor and renounce methods removed. Does not use
 *      Context.sol like Ownable.sol does for simplification.
 * @author Origin Protocol Inc
 */
contract Governable {
    // Storage position of the owner and pendingOwner of the contract
    // keccak256("OUSD.governor");
    bytes32 private constant governorPosition =
        0x7bea13895fa79d2831e0a9e28edede30099005a50d652d8957cf8a607ee6ca4a;

    // keccak256("OUSD.pending.governor");
    bytes32 private constant pendingGovernorPosition =
        0x44c4d30b2eaad5130ad70c3ba6972730566f3e6359ab83e800d905c61b1c51db;

    // keccak256("OUSD.reentry.status");
    bytes32 private constant reentryStatusPosition =
        0x53bf423e48ed90e97d02ab0ebab13b2a235a6bfbe9c321847d5c175333ac4535;

    // See OpenZeppelin ReentrancyGuard implementation
    uint256 constant _NOT_ENTERED = 1;
    uint256 constant _ENTERED = 2;

    event PendingGovernorshipTransfer(
        address indexed previousGovernor,
        address indexed newGovernor
    );

    event GovernorshipTransferred(
        address indexed previousGovernor,
        address indexed newGovernor
    );

    /**
     * @dev Initializes the contract setting the deployer as the initial Governor.
     */
    constructor() {
        _setGovernor(msg.sender);
        emit GovernorshipTransferred(address(0), _governor());
    }

    /**
     * @notice Returns the address of the current Governor.
     */
    function governor() public view returns (address) {
        return _governor();
    }

    /**
     * @dev Returns the address of the current Governor.
     */
    function _governor() internal view returns (address governorOut) {
        bytes32 position = governorPosition;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            governorOut := sload(position)
        }
    }

    /**
     * @dev Returns the address of the pending Governor.
     */
    function _pendingGovernor()
        internal
        view
        returns (address pendingGovernor)
    {
        bytes32 position = pendingGovernorPosition;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            pendingGovernor := sload(position)
        }
    }

    /**
     * @dev Throws if called by any account other than the Governor.
     */
    modifier onlyGovernor() {
        require(isGovernor(), "Caller is not the Governor");
        _;
    }

    /**
     * @notice Returns true if the caller is the current Governor.
     */
    function isGovernor() public view returns (bool) {
        return msg.sender == _governor();
    }

    function _setGovernor(address newGovernor) internal {
        bytes32 position = governorPosition;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(position, newGovernor)
        }
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        bytes32 position = reentryStatusPosition;
        uint256 _reentry_status;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            _reentry_status := sload(position)
        }

        // On the first call to nonReentrant, _notEntered will be true
        require(_reentry_status != _ENTERED, "Reentrant call");

        // Any calls to nonReentrant after this point will fail
        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(position, _ENTERED)
        }

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(position, _NOT_ENTERED)
        }
    }

    function _setPendingGovernor(address newGovernor) internal {
        bytes32 position = pendingGovernorPosition;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(position, newGovernor)
        }
    }

    /**
     * @notice Transfers Governance of the contract to a new account (`newGovernor`).
     * Can only be called by the current Governor. Must be claimed for this to complete
     * @param _newGovernor Address of the new Governor
     */
    function transferGovernance(address _newGovernor) external onlyGovernor {
        _setPendingGovernor(_newGovernor);
        emit PendingGovernorshipTransfer(_governor(), _newGovernor);
    }

    /**
     * @notice Claim Governance of the contract to a new account (`newGovernor`).
     * Can only be called by the new Governor.
     */
    function claimGovernance() external {
        require(
            msg.sender == _pendingGovernor(),
            "Only the pending Governor can complete the claim"
        );
        _changeGovernor(msg.sender);
    }

    /**
     * @dev Change Governance of the contract to a new account (`newGovernor`).
     * @param _newGovernor Address of the new Governor
     */
    function _changeGovernor(address _newGovernor) internal {
        require(_newGovernor != address(0), "New Governor is address(0)");
        emit GovernorshipTransferred(_governor(), _newGovernor);
        _setGovernor(_newGovernor);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IPoolBoostCentralRegistry {
    /**
     * @dev all the supported pool booster types are listed here. It is possible
     *      to have multiple versions of the factory that supports the same type of
     *      pool booster. Factories are immutable and this can happen when a factory
     *      or related pool booster required code update.
     *      e.g. "PoolBoosterSwapxDouble" & "PoolBoosterSwapxDouble_v2"
     */
    enum PoolBoosterType {
        // Supports bribing 2 contracts per pool. Appropriate for Ichi vault concentrated
        // liquidity pools where (which is expected in most/all cases) both pool gauges
        // require bribing.
        SwapXDoubleBooster,
        // Supports bribing a single contract per pool. Appropriate for Classic Stable &
        // Classic Volatile pools and Ichi vaults where only 1 side (1 of the 2 gauges)
        // needs bribing
        SwapXSingleBooster
    }

    struct PoolBoosterEntry {
        address boosterAddress;
        address ammPoolAddress;
        PoolBoosterType boosterType;
    }

    event PoolBoosterCreated(
        address poolBoosterAddress,
        address ammPoolAddress,
        PoolBoosterType poolBoosterType,
        address factoryAddress
    );
    event PoolBoosterRemoved(address poolBoosterAddress);

    function emitPoolBoosterCreated(
        address _poolBoosterAddress,
        address _ammPoolAddress,
        PoolBoosterType _boosterType
    ) external;

    function emitPoolBoosterRemoved(address _poolBoosterAddress) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IPoolBooster {
    event BribeExecuted(uint256 amount);

    /// @notice Execute the bribe action
    function bribe() external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IBribe {
    /// @notice Notify a bribe amount
    /// @dev    Rewards are saved into NEXT EPOCH mapping.
    function notifyRewardAmount(address _rewardsToken, uint256 reward) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { Governable } from "../governance/Governable.sol";
import { IPoolBooster } from "../interfaces/poolBooster/IPoolBooster.sol";
import { IPoolBoostCentralRegistry } from "../interfaces/poolBooster/IPoolBoostCentralRegistry.sol";

/**
 * @title Abstract Pool booster factory
 * @author Origin Protocol Inc
 */
contract AbstractPoolBoosterFactory is Governable {
    struct PoolBoosterEntry {
        address boosterAddress;
        address ammPoolAddress;
        IPoolBoostCentralRegistry.PoolBoosterType boosterType;
    }

    // @notice address of Origin Sonic
    address public immutable oSonic;
    // @notice Central registry contract
    IPoolBoostCentralRegistry public immutable centralRegistry;

    // @notice list of all the pool boosters created by this factory
    PoolBoosterEntry[] public poolBoosters;
    // @notice mapping of AMM pool to pool booster
    mapping(address => PoolBoosterEntry) public poolBoosterFromPool;

    // @param address _oSonic address of the OSonic token
    // @param address _governor address governor
    // @param address _centralRegistry address of the central registry
    constructor(
        address _oSonic,
        address _governor,
        address _centralRegistry
    ) {
        require(_oSonic != address(0), "Invalid oSonic address");
        require(_governor != address(0), "Invalid governor address");
        require(
            _centralRegistry != address(0),
            "Invalid central registry address"
        );

        oSonic = _oSonic;
        centralRegistry = IPoolBoostCentralRegistry(_centralRegistry);
        _setGovernor(_governor);
    }

    /**
     * @notice Goes over all the pool boosters created by this factory and
     *         calls bribe() on them.
     * @param _exclusionList A list of pool booster addresses to skip when
     *        calling this function.
     */
    function bribeAll(address[] memory _exclusionList) external {
        uint256 lengthI = poolBoosters.length;
        for (uint256 i = 0; i < lengthI; i++) {
            address poolBoosterAddress = poolBoosters[i].boosterAddress;
            bool skipBribeCall = false;
            uint256 lengthJ = _exclusionList.length;
            for (uint256 j = 0; j < lengthJ; j++) {
                // pool booster in exclusion list
                if (_exclusionList[j] == poolBoosterAddress) {
                    skipBribeCall = true;
                    break;
                }
            }

            if (!skipBribeCall) {
                IPoolBooster(poolBoosterAddress).bribe();
            }
        }
    }

    /**
     * @notice Removes the pool booster from the internal list of pool boosters.
     * @dev This action does not destroy the pool booster contract nor does it
     *      stop the yield delegation to it.
     * @param _poolBoosterAddress address of the pool booster
     */
    function removePoolBooster(address _poolBoosterAddress)
        external
        onlyGovernor
    {
        uint256 boostersLen = poolBoosters.length;
        for (uint256 i = 0; i < boostersLen; ++i) {
            if (poolBoosters[i].boosterAddress == _poolBoosterAddress) {
                // erase mapping
                delete poolBoosterFromPool[poolBoosters[i].ammPoolAddress];

                // overwrite current pool booster with the last entry in the list
                poolBoosters[i] = poolBoosters[boostersLen - 1];
                // drop the last entry
                poolBoosters.pop();

                centralRegistry.emitPoolBoosterRemoved(_poolBoosterAddress);
                break;
            }
        }
    }

    function _storePoolBoosterEntry(
        address _poolBoosterAddress,
        address _ammPoolAddress,
        IPoolBoostCentralRegistry.PoolBoosterType _boosterType
    ) internal {
        PoolBoosterEntry memory entry = PoolBoosterEntry(
            _poolBoosterAddress,
            _ammPoolAddress,
            _boosterType
        );

        poolBoosters.push(entry);
        poolBoosterFromPool[_ammPoolAddress] = entry;

        // emit the events of the pool booster created
        centralRegistry.emitPoolBoosterCreated(
            _poolBoosterAddress,
            _ammPoolAddress,
            _boosterType
        );
    }

    function _deployContract(bytes memory _bytecode, uint256 _salt)
        internal
        returns (address _address)
    {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            _address := create2(
                0,
                add(_bytecode, 0x20),
                mload(_bytecode),
                _salt
            )
        }

        require(
            _address.code.length > 0 && _address != address(0),
            "Failed creating a pool booster"
        );
    }

    // pre-compute the address of the deployed contract that will be
    // created when create2 is called
    function _computeAddress(bytes memory _bytecode, uint256 _salt)
        internal
        view
        returns (address)
    {
        bytes32 hash = keccak256(
            abi.encodePacked(
                bytes1(0xff),
                address(this),
                _salt,
                keccak256(_bytecode)
            )
        );

        // cast last 20 bytes of hash to address
        return address(uint160(uint256(hash)));
    }

    function poolBoosterLength() external view returns (uint256) {
        return poolBoosters.length;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { IBribe } from "../interfaces/poolBooster/ISwapXAlgebraBribe.sol";
import { IPoolBooster } from "../interfaces/poolBooster/IPoolBooster.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { StableMath } from "../utils/StableMath.sol";

/**
 * @title Pool booster for SwapX concentrated liquidity where 2 gauges are created for
 *        every pool. Ichi vaults currently have such setup.
 * @author Origin Protocol Inc
 */
contract PoolBoosterSwapxDouble is IPoolBooster {
    using StableMath for uint256;

    // @notice address of the Bribes.sol(Bribe) contract for the OS token side
    IBribe public immutable bribeContractOS;
    // @notice address of the  Bribes.sol(Bribe) contract for the other token in the pool
    IBribe public immutable bribeContractOther;
    // @notice address of the OS token
    IERC20 public immutable osToken;
    // @notice 1e18 denominated split between OS and Other bribe. E.g. 0.4e17 means 40% to OS
    //         bribe contract and 60% to other bribe contract
    uint256 public immutable split;

    // @notice if balance under this amount the bribe action is skipped
    uint256 public constant MIN_BRIBE_AMOUNT = 1e10;

    constructor(
        address _bribeContractOS,
        address _bribeContractOther,
        address _osToken,
        uint256 _split
    ) {
        require(
            _bribeContractOS != address(0),
            "Invalid bribeContractOS address"
        );
        require(
            _bribeContractOther != address(0),
            "Invalid bribeContractOther address"
        );
        // expect it to be between 1% & 99%
        require(_split > 1e16 && _split < 99e16, "Unexpected split amount");

        bribeContractOS = IBribe(_bribeContractOS);
        bribeContractOther = IBribe(_bribeContractOther);
        // Abstract factory already validates this is not a zero address
        osToken = IERC20(_osToken);
        split = _split;
    }

    function bribe() external override {
        uint256 balance = osToken.balanceOf(address(this));
        // balance too small, do no bribes
        if (balance < MIN_BRIBE_AMOUNT) {
            return;
        }

        uint256 osBribeAmount = balance.mulTruncate(split);
        uint256 otherBribeAmount = balance - osBribeAmount;

        osToken.approve(address(bribeContractOS), osBribeAmount);
        osToken.approve(address(bribeContractOther), otherBribeAmount);

        bribeContractOS.notifyRewardAmount(address(osToken), osBribeAmount);
        bribeContractOther.notifyRewardAmount(
            address(osToken),
            otherBribeAmount
        );

        emit BribeExecuted(balance);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { SafeMath } from "@openzeppelin/contracts/utils/math/SafeMath.sol";

// Based on StableMath from Stability Labs Pty. Ltd.
// https://github.com/mstable/mStable-contracts/blob/master/contracts/shared/StableMath.sol

library StableMath {
    using SafeMath for uint256;

    /**
     * @dev Scaling unit for use in specific calculations,
     * where 1 * 10**18, or 1e18 represents a unit '1'
     */
    uint256 private constant FULL_SCALE = 1e18;

    /***************************************
                    Helpers
    ****************************************/

    /**
     * @dev Adjust the scale of an integer
     * @param to Decimals to scale to
     * @param from Decimals to scale from
     */
    function scaleBy(
        uint256 x,
        uint256 to,
        uint256 from
    ) internal pure returns (uint256) {
        if (to > from) {
            x = x.mul(10**(to - from));
        } else if (to < from) {
            // slither-disable-next-line divide-before-multiply
            x = x.div(10**(from - to));
        }
        return x;
    }

    /***************************************
               Precise Arithmetic
    ****************************************/

    /**
     * @dev Multiplies two precise units, and then truncates by the full scale
     * @param x Left hand input to multiplication
     * @param y Right hand input to multiplication
     * @return Result after multiplying the two inputs and then dividing by the shared
     *         scale unit
     */
    function mulTruncate(uint256 x, uint256 y) internal pure returns (uint256) {
        return mulTruncateScale(x, y, FULL_SCALE);
    }

    /**
     * @dev Multiplies two precise units, and then truncates by the given scale. For example,
     * when calculating 90% of 10e18, (10e18 * 9e17) / 1e18 = (9e36) / 1e18 = 9e18
     * @param x Left hand input to multiplication
     * @param y Right hand input to multiplication
     * @param scale Scale unit
     * @return Result after multiplying the two inputs and then dividing by the shared
     *         scale unit
     */
    function mulTruncateScale(
        uint256 x,
        uint256 y,
        uint256 scale
    ) internal pure returns (uint256) {
        // e.g. assume scale = fullScale
        // z = 10e18 * 9e17 = 9e36
        uint256 z = x.mul(y);
        // return 9e36 / 1e18 = 9e18
        return z.div(scale);
    }

    /**
     * @dev Multiplies two precise units, and then truncates by the full scale, rounding up the result
     * @param x Left hand input to multiplication
     * @param y Right hand input to multiplication
     * @return Result after multiplying the two inputs and then dividing by the shared
     *          scale unit, rounded up to the closest base unit.
     */
    function mulTruncateCeil(uint256 x, uint256 y)
        internal
        pure
        returns (uint256)
    {
        // e.g. 8e17 * 17268172638 = 138145381104e17
        uint256 scaled = x.mul(y);
        // e.g. 138145381104e17 + 9.99...e17 = 138145381113.99...e17
        uint256 ceil = scaled.add(FULL_SCALE.sub(1));
        // e.g. 13814538111.399...e18 / 1e18 = 13814538111
        return ceil.div(FULL_SCALE);
    }

    /**
     * @dev Precisely divides two units, by first scaling the left hand operand. Useful
     *      for finding percentage weightings, i.e. 8e18/10e18 = 80% (or 8e17)
     * @param x Left hand input to division
     * @param y Right hand input to division
     * @return Result after multiplying the left operand by the scale, and
     *         executing the division on the right hand input.
     */
    function divPrecisely(uint256 x, uint256 y)
        internal
        pure
        returns (uint256)
    {
        // e.g. 8e18 * 1e18 = 8e36
        uint256 z = x.mul(FULL_SCALE);
        // e.g. 8e36 / 10e18 = 8e17
        return z.div(y);
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_oSonic","type":"address"},{"internalType":"address","name":"_governor","type":"address"},{"internalType":"address","name":"_centralRegistry","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousGovernor","type":"address"},{"indexed":true,"internalType":"address","name":"newGovernor","type":"address"}],"name":"GovernorshipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousGovernor","type":"address"},{"indexed":true,"internalType":"address","name":"newGovernor","type":"address"}],"name":"PendingGovernorshipTransfer","type":"event"},{"inputs":[{"internalType":"address[]","name":"_exclusionList","type":"address[]"}],"name":"bribeAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"centralRegistry","outputs":[{"internalType":"contract IPoolBoostCentralRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_bribeAddressOS","type":"address"},{"internalType":"address","name":"_bribeAddressOther","type":"address"},{"internalType":"address","name":"_ammPoolAddress","type":"address"},{"internalType":"uint256","name":"_split","type":"uint256"},{"internalType":"uint256","name":"_salt","type":"uint256"}],"name":"computePoolBoosterAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_bribeAddressOS","type":"address"},{"internalType":"address","name":"_bribeAddressOther","type":"address"},{"internalType":"address","name":"_ammPoolAddress","type":"address"},{"internalType":"uint256","name":"_split","type":"uint256"},{"internalType":"uint256","name":"_salt","type":"uint256"}],"name":"createPoolBoosterSwapxDouble","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"governor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isGovernor","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"oSonic","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"poolBoosterFromPool","outputs":[{"internalType":"address","name":"boosterAddress","type":"address"},{"internalType":"address","name":"ammPoolAddress","type":"address"},{"internalType":"enum IPoolBoostCentralRegistry.PoolBoosterType","name":"boosterType","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolBoosterLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"poolBoosters","outputs":[{"internalType":"address","name":"boosterAddress","type":"address"},{"internalType":"address","name":"ammPoolAddress","type":"address"},{"internalType":"enum IPoolBoostCentralRegistry.PoolBoosterType","name":"boosterType","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_poolBoosterAddress","type":"address"}],"name":"removePoolBooster","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newGovernor","type":"address"}],"name":"transferGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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