// File: lib/BoringSolidity/contracts/BoringOwnable.sol



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

// Source: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol + Claimable.sol
// Simplified by BoringCrypto

contract BoringOwnableData {
    address public owner;
    address public pendingOwner;
}

contract BoringOwnable is BoringOwnableData {
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /// @notice `owner` defaults to msg.sender on construction.
    constructor() {
        owner = msg.sender;
        emit OwnershipTransferred(address(0), msg.sender);
    }

    /// @notice Transfers ownership to `newOwner`. Either directly or claimable by the new pending owner.
    /// Can only be invoked by the current `owner`.
    /// @param newOwner Address of the new owner.
    /// @param direct True if `newOwner` should be set immediately. False if `newOwner` needs to use `claimOwnership`.
    /// @param renounce Allows the `newOwner` to be `address(0)` if `direct` and `renounce` is True. Has no effect otherwise.
    function transferOwnership(
        address newOwner,
        bool direct,
        bool renounce
    ) public onlyOwner {
        if (direct) {
            // Checks
            require(newOwner != address(0) || renounce, "Ownable: zero address");

            // Effects
            emit OwnershipTransferred(owner, newOwner);
            owner = newOwner;
            pendingOwner = address(0);
        } else {
            // Effects
            pendingOwner = newOwner;
        }
    }

    /// @notice Needs to be called by `pendingOwner` to claim ownership.
    function claimOwnership() public {
        address _pendingOwner = pendingOwner;

        // Checks
        require(msg.sender == _pendingOwner, "Ownable: caller != pending owner");

        // Effects
        emit OwnershipTransferred(owner, _pendingOwner);
        owner = _pendingOwner;
        pendingOwner = address(0);
    }

    /// @notice Only allows the `owner` to execute the function.
    modifier onlyOwner() {
        require(msg.sender == owner, "Ownable: caller is not the owner");
        _;
    }
}

// File: lib/BoringSolidity/contracts/interfaces/IERC20.sol



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

interface IERC20 {
    // transfer and tranferFrom have been removed, because they don't work on all tokens (some aren't ERC20 complaint).
    // By removing them you can't accidentally use them.
    // name, symbol and decimals have been removed, because they are optional and sometimes wrongly implemented (MKR).
    // Use BoringERC20 with `using BoringERC20 for IERC20` and call `safeTransfer`, `safeTransferFrom`, etc instead.
    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function allowance(address owner, address spender) external view returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /// @notice EIP 2612
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
}

interface IStrictERC20 {
    // This is the strict ERC20 interface. Don't use this, certainly not if you don't control the ERC20 token you're calling.
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
    function totalSupply() external view returns (uint256);
    function balanceOf(address _owner) external view returns (uint256 balance);
    function transfer(address _to, uint256 _value) external returns (bool success);
    function transferFrom(address _from, address _to, uint256 _value) external returns (bool success);
    function approve(address _spender, uint256 _value) external returns (bool success);
    function allowance(address _owner, address _spender) external view returns (uint256 remaining);

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /// @notice EIP 2612
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
}

// File: lib/BoringSolidity/contracts/libraries/BoringERC20.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../interfaces/IERC20.sol";

// solhint-disable avoid-low-level-calls

library BoringERC20 {
    bytes4 private constant SIG_SYMBOL = 0x95d89b41; // symbol()
    bytes4 private constant SIG_NAME = 0x06fdde03; // name()
    bytes4 private constant SIG_DECIMALS = 0x313ce567; // decimals()
    bytes4 private constant SIG_BALANCE_OF = 0x70a08231; // balanceOf(address)
    bytes4 private constant SIG_TOTALSUPPLY = 0x18160ddd; // balanceOf(address)
    bytes4 private constant SIG_TRANSFER = 0xa9059cbb; // transfer(address,uint256)
    bytes4 private constant SIG_TRANSFER_FROM = 0x23b872dd; // transferFrom(address,address,uint256)

    function returnDataToString(bytes memory data) internal pure returns (string memory) {
        if (data.length >= 64) {
            return abi.decode(data, (string));
        } else if (data.length == 32) {
            uint8 i = 0;
            while (i < 32 && data[i] != 0) {
                i++;
            }
            bytes memory bytesArray = new bytes(i);
            for (i = 0; i < 32 && data[i] != 0; i++) {
                bytesArray[i] = data[i];
            }
            return string(bytesArray);
        } else {
            return "???";
        }
    }

    /// @notice Provides a safe ERC20.symbol version which returns '???' as fallback string.
    /// @param token The address of the ERC-20 token contract.
    /// @return (string) Token symbol.
    function safeSymbol(IERC20 token) internal view returns (string memory) {
        (bool success, bytes memory data) = address(token).staticcall(abi.encodeWithSelector(SIG_SYMBOL));
        return success ? returnDataToString(data) : "???";
    }

    /// @notice Provides a safe ERC20.name version which returns '???' as fallback string.
    /// @param token The address of the ERC-20 token contract.
    /// @return (string) Token name.
    function safeName(IERC20 token) internal view returns (string memory) {
        (bool success, bytes memory data) = address(token).staticcall(abi.encodeWithSelector(SIG_NAME));
        return success ? returnDataToString(data) : "???";
    }

    /// @notice Provides a safe ERC20.decimals version which returns '18' as fallback value.
    /// @param token The address of the ERC-20 token contract.
    /// @return (uint8) Token decimals.
    function safeDecimals(IERC20 token) internal view returns (uint8) {
        (bool success, bytes memory data) = address(token).staticcall(abi.encodeWithSelector(SIG_DECIMALS));
        return success && data.length == 32 ? abi.decode(data, (uint8)) : 18;
    }

    /// @notice Provides a gas-optimized balance check to avoid a redundant extcodesize check in addition to the returndatasize check.
    /// @param token The address of the ERC-20 token.
    /// @param to The address of the user to check.
    /// @return amount The token amount.
    function safeBalanceOf(IERC20 token, address to) internal view returns (uint256 amount) {
        (bool success, bytes memory data) = address(token).staticcall(abi.encodeWithSelector(SIG_BALANCE_OF, to));
        require(success && data.length >= 32, "BoringERC20: BalanceOf failed");
        amount = abi.decode(data, (uint256));
    }

    /// @notice Provides a gas-optimized totalSupply to avoid a redundant extcodesize check in addition to the returndatasize check.
    /// @param token The address of the ERC-20 token.
    /// @return totalSupply The token totalSupply.
    function safeTotalSupply(IERC20 token) internal view returns (uint256 totalSupply) {
        (bool success, bytes memory data) = address(token).staticcall(abi.encodeWithSelector(SIG_TOTALSUPPLY));
        require(success && data.length >= 32, "BoringERC20: totalSupply failed");
        totalSupply = abi.decode(data, (uint256));
    }

    /// @notice Provides a safe ERC20.transfer version for different ERC-20 implementations.
    /// Reverts on a failed transfer.
    /// @param token The address of the ERC-20 token.
    /// @param to Transfer tokens to.
    /// @param amount The token amount.
    function safeTransfer(
        IERC20 token,
        address to,
        uint256 amount
    ) internal {
        (bool success, bytes memory data) = address(token).call(abi.encodeWithSelector(SIG_TRANSFER, to, amount));
        require(success && (data.length == 0 || abi.decode(data, (bool))), "BoringERC20: Transfer failed");
    }

    /// @notice Provides a safe ERC20.transferFrom version for different ERC-20 implementations.
    /// Reverts on a failed transfer.
    /// @param token The address of the ERC-20 token.
    /// @param from Transfer tokens from.
    /// @param to Transfer tokens to.
    /// @param amount The token amount.
    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 amount
    ) internal {
        (bool success, bytes memory data) = address(token).call(abi.encodeWithSelector(SIG_TRANSFER_FROM, from, to, amount));
        require(success && (data.length == 0 || abi.decode(data, (bool))), "BoringERC20: TransferFrom failed");
    }
}

// File: lib/BoringSolidity/contracts/libraries/BoringRebase.sol



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

struct Rebase {
    uint128 elastic;
    uint128 base;
}

/// @notice A rebasing library using overflow-/underflow-safe math.
library RebaseLibrary {
    /// @notice Calculates the base value in relationship to `elastic` and `total`.
    function toBase(
        Rebase memory total,
        uint256 elastic,
        bool roundUp
    ) internal pure returns (uint256 base) {
        if (total.elastic == 0) {
            base = elastic;
        } else {
            base = (elastic * total.base) / total.elastic;
            if (roundUp && (base * total.elastic) / total.base < elastic) {
                base++;
            }
        }
    }

    /// @notice Calculates the elastic value in relationship to `base` and `total`.
    function toElastic(
        Rebase memory total,
        uint256 base,
        bool roundUp
    ) internal pure returns (uint256 elastic) {
        if (total.base == 0) {
            elastic = base;
        } else {
            elastic = (base * total.elastic) / total.base;
            if (roundUp && (elastic * total.base) / total.elastic < base) {
                elastic++;
            }
        }
    }

    /// @notice Add `elastic` to `total` and doubles `total.base`.
    /// @return (Rebase) The new total.
    /// @return base in relationship to `elastic`.
    function add(
        Rebase memory total,
        uint256 elastic,
        bool roundUp
    ) internal pure returns (Rebase memory, uint256 base) {
        base = toBase(total, elastic, roundUp);
        total.elastic += uint128(elastic);
        total.base += uint128(base);
        return (total, base);
    }

    /// @notice Sub `base` from `total` and update `total.elastic`.
    /// @return (Rebase) The new total.
    /// @return elastic in relationship to `base`.
    function sub(
        Rebase memory total,
        uint256 base,
        bool roundUp
    ) internal pure returns (Rebase memory, uint256 elastic) {
        elastic = toElastic(total, base, roundUp);
        total.elastic -= uint128(elastic);
        total.base -= uint128(base);
        return (total, elastic);
    }

    /// @notice Add `elastic` and `base` to `total`.
    function add(
        Rebase memory total,
        uint256 elastic,
        uint256 base
    ) internal pure returns (Rebase memory) {
        total.elastic += uint128(elastic);
        total.base += uint128(base);
        return total;
    }

    /// @notice Subtract `elastic` and `base` to `total`.
    function sub(
        Rebase memory total,
        uint256 elastic,
        uint256 base
    ) internal pure returns (Rebase memory) {
        total.elastic -= uint128(elastic);
        total.base -= uint128(base);
        return total;
    }

    /// @notice Add `elastic` to `total` and update storage.
    /// @return newElastic Returns updated `elastic`.
    function addElastic(Rebase storage total, uint256 elastic) internal returns (uint256 newElastic) {
        newElastic = total.elastic += uint128(elastic);
    }

    /// @notice Subtract `elastic` from `total` and update storage.
    /// @return newElastic Returns updated `elastic`.
    function subElastic(Rebase storage total, uint256 elastic) internal returns (uint256 newElastic) {
        newElastic = total.elastic -= uint128(elastic);
    }
}

// File: src/interfaces/IApeCoinStaking.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

interface IApeCoinStaking {
    function depositApeCoin(uint256 _amount, address _recipient) external;

    function claimApeCoin(address _recipient) external;

    function pendingRewards(
        uint256 _poolId,
        address _address,
        uint256 _tokenId
    ) external view returns (uint256);

    function stakedTotal(address _address) external view returns (uint256);

    function withdrawApeCoin(uint256 _amount, address _recipient) external;
}

// File: src/interfaces/IERC4626.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import "BoringSolidity/interfaces/IERC20.sol";

/// @notice Tokenized Vaults with a single underlying EIP-20 token.
interface IERC4626 {
    /// @notice The address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
    function asset() external view returns (IERC20 assetTokenAddress);

    /// @notice Total amount of the underlying asset that is “managed” by Vault.
    function totalAssets() external view returns (uint256 totalManagedAssets);

    /// @notice The amount of shares that the Vault would exchange for the amount of assets provided, in an ideal scenario where all the conditions are met.
    function convertToShares(uint256 assets) external view returns (uint256 shares);

    /// @notice The amount of assets that the Vault would exchange for the amount of shares provided, in an ideal scenario where all the conditions are met.
    function convertToAssets(uint256 shares) external view returns (uint256 assets);

    /// @notice Maximum amount of the underlying asset that can be deposited into the Vault for the receiver, through a deposit call.
    function maxDeposit(address receiver) external view returns (uint256 maxAssets);

    /// @notice Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given current on-chain conditions.
    function previewDeposit(uint256 assets) external view returns (uint256 shares);

    /// @notice Mints shares Vault shares to receiver by depositing exactly assets of underlying tokens.
    function deposit(uint256 assets, address receiver) external returns (uint256 shares);

    /// @notice Maximum amount of shares that can be minted from the Vault for the receiver, through a mint call.
    function maxMint(address receiver) external view returns (uint256 maxShares);

    /// @notice Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given current on-chain conditions.
    function previewMint(uint256 shares) external view returns (uint256 assets);

    /// @notice Mints exactly shares Vault shares to receiver by depositing assets of underlying tokens.
    function mint(uint256 shares, address receiver) external returns (uint256 assets);

    /// @notice Maximum amount of the underlying asset that can be withdrawn from the owner balance in the Vault, through a withdraw call.
    function maxWithdraw(address owner) external view returns (uint256 maxAssets);

    /// @notice Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block, given current on-chain conditions.
    function previewWithdraw(uint256 assets) external view returns (uint256 shares);

    /// @notice Burns shares from owner and sends exactly assets of underlying tokens to receiver.
    function withdraw(
        uint256 assets,
        address receiver,
        address owner
    ) external returns (uint256 shares);

    /// @notice Maximum amount of Vault shares that can be redeemed from the owner balance in the Vault, through a redeem call.
    function maxRedeem(address owner) external view returns (uint256 maxShares);

    /// @notice Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block, given current on-chain conditions.
    function previewRedeem(uint256 shares) external view returns (uint256 assets);

    /// @notice Burns exactly shares from owner and sends assets of underlying tokens to receiver.
    function redeem(
        uint256 shares,
        address receiver,
        address owner
    ) external returns (uint256 assets);

    event Deposit(address indexed caller, address indexed owner, uint256 assets, uint256 shares);
    event Withdraw(address indexed caller, address indexed receiver, address indexed owner, uint256 assets, uint256 shares);
}

// File: src/interfaces/IMagicApe.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
import "interfaces/IApeCoinStaking.sol";
import "interfaces/IERC4626.sol";

interface IMagicApe is IERC4626 {
    function staking() external view returns (IApeCoinStaking);

    function feePercentBips() external view returns (uint16);

    function feeCollector() external view returns (address);

    function setFeeParameters(address _feeCollector, uint16 _feePercentBips) external;

    function totalAssets() external view returns (uint256);

    function harvest() external;
}

// File: src/periphery/MagicApeHarvestor.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import "BoringSolidity/interfaces/IERC20.sol";
import "BoringSolidity/BoringOwnable.sol";
import "BoringSolidity/libraries/BoringERC20.sol";
import "BoringSolidity/libraries/BoringRebase.sol";
import "periphery/Operatable.sol";
import "interfaces/IMagicApe.sol";

contract MagicApeHarvestor is Operatable {
    using BoringERC20 for IERC20;

    IMagicApe public immutable magicApe;
    IApeCoinStaking public immutable staking;
    uint64 public lastExecution;

    constructor(IMagicApe _magicApe) {
        magicApe = _magicApe;
        staking = _magicApe.staking();
    }

    function claimable() external view returns (uint256) {
        return staking.pendingRewards(0, address(magicApe), 0);
    }

    function run() external onlyOperators {
        magicApe.harvest();
        lastExecution = uint64(block.timestamp);
    }
}

// File: src/periphery/Operatable.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import "BoringSolidity/interfaces/IERC20.sol";
import "BoringSolidity/BoringOwnable.sol";

contract Operatable is BoringOwnable {
    event OperatorChanged(address indexed, bool);
    error NotAllowedOperator();

    mapping(address => bool) public operators;

    constructor() {
        operators[msg.sender] = true;
    }

    modifier onlyOperators() {
        if (!operators[msg.sender]) {
            revert NotAllowedOperator();
        }
        _;
    }

    function setOperator(address operator, bool status) external onlyOwner {
        operators[operator] = status;
        emit OperatorChanged(operator, status);
    }
}