// SPDX-License-Identifier: MIT
pragma solidity ^0.8.11;


import "./interfaces/IBribe.sol";
import "./interfaces/IMinter.sol";
import "./interfaces/IVoter.sol";
import "./interfaces/IVotingEscrow.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "contracts/Epoch.sol";



contract Bribe is IBribe, ReentrancyGuard {
    using SafeERC20 for IERC20;

    uint256 public firstBribeTimestamp;

    /* ========== STATE VARIABLES ========== */

    mapping(address => mapping(uint256 => IBribe.Reward)) private _rewardData;
    mapping(address => bool) public isRewardToken;
    address[] public rewardTokens;
    address public voter;
    address public bribeFactory;
    address public minter;
    address public ve;
    address public owner;

    string public TYPE;

    // tokenId -> reward token -> lastTime
    mapping(uint256 => mapping(address => uint256)) public userRewardPerTokenPaid;
    mapping(uint256 => mapping(address => uint256)) public userTimestamp;

    //uint256 private _totalSupply;
    mapping(uint256 => uint256) public _totalSupply;
    mapping(uint256 => mapping(uint256 => uint256)) private _balances; //tokenId -> timestamp -> amount

    modifier onlyOwner() {
        require(owner == msg.sender);
        _;
    }
    
    modifier onlyAllowed() {
        require((msg.sender == owner || msg.sender == bribeFactory), "permission is denied!");
        _;
    }

    /* ========== CONSTRUCTOR ========== */

    constructor(address _owner,address _voter,address _bribeFactory, string memory _type)  {
        require(_bribeFactory != address(0) && _voter != address(0) && _owner != address(0));
        voter = _voter;
        bribeFactory = _bribeFactory;
        firstBribeTimestamp = 0;
        ve = IVoter(_voter)._ve();
        minter = IVoter(_voter).minter();
        require(minter != address(0));
        owner = _owner;

        TYPE = _type;
    }

    function getEpochStart() public view returns(uint){
        return IMinter(minter).active_period();
    }

    function getNextEpochStart() public view returns(uint){
        return getEpochStart() + EPOCH_DURATION;
    }

    /* ========== VIEWS ========== */

    function rewardData(address _token, uint256 _timestamp) external view override returns (Reward memory) {
        return _rewardData[_token][_timestamp];
    }

    function rewardsListLength() external view returns(uint256) {
        return rewardTokens.length;
    }

    function totalSupply() external view returns (uint256) {
    return _totalSupply[getNextEpochStart()];
    }

    function totalSupplyAt(uint256 _timestamp) external view returns (uint256) {
        return _totalSupply[_timestamp];
    }

    
    function balanceOfAt(uint256 tokenId, uint256 _timestamp) public view returns (uint256) {
        return _balances[tokenId][_timestamp];
    }

    // get last deposit available balance (getNextEpochStart)
    function balanceOf(uint256 tokenId) public view returns (uint256) {
        uint256 _timestamp = getNextEpochStart();
        return _balances[tokenId][_timestamp];
    }


    function earned(uint256 tokenId, address _rewardToken) public view returns(uint256){
        uint k = 0;
        uint reward = 0;
        uint256 _endTimestamp = getNextEpochStart();
        uint256 _userLastTime = userTimestamp[tokenId][_rewardToken];
        
        if(_endTimestamp == _userLastTime){
            return 0;
        }

        // if user first time then set it to first bribe - week to avoid any timestamp problem
        if(_userLastTime < firstBribeTimestamp){
            _userLastTime = firstBribeTimestamp - EPOCH_DURATION;
        }

        for(k; k < 50; k++){
            if(_userLastTime == _endTimestamp){
                // if we reach the current epoch, exit
                break;
            }
            reward += _earned(tokenId, _rewardToken, _userLastTime);
            _userLastTime += EPOCH_DURATION;   
                     
        }  
        return reward;  
    }

    function _earned(uint256 tokenId, address _rewardToken, uint256 _timestamp) internal view returns (uint256) {
        uint256 _balance = balanceOfAt(tokenId, _timestamp);
        if(_balance == 0){
            return 0;
        } else {
            uint256 _rewardPerToken = rewardPerToken(_rewardToken, _timestamp);
            uint256 _rewards = _rewardPerToken * _balance / 1e18;
            return _rewards;
        }
    }

    function rewardPerToken(address _rewardsToken, uint256 _timestamp) public view returns (uint256) {
        if (_totalSupply[_timestamp] == 0) {
            return _rewardData[_rewardsToken][_timestamp].rewardsPerEpoch;
        }
        return _rewardData[_rewardsToken][_timestamp].rewardsPerEpoch * 1e18 / _totalSupply[_timestamp];
    }

 
    /* ========== MUTATIVE FUNCTIONS ========== */

    function _deposit(uint256 amount, uint256 tokenId) external nonReentrant {
        require(amount > 0, "Cannot stake 0");
        require(msg.sender == voter);
        uint256 _startTimestamp = getNextEpochStart();
        uint256 _oldSupply = _totalSupply[_startTimestamp]; 
        _totalSupply[_startTimestamp] =  _oldSupply + amount;
        _balances[tokenId][_startTimestamp] = _balances[tokenId][_startTimestamp] + amount;
        emit Staked(tokenId, amount);
    }

    function _withdraw(uint256 amount, uint256 tokenId) public nonReentrant {
        require(amount > 0, "Cannot withdraw 0");
        require(msg.sender == voter);
        uint256 _startTimestamp = getNextEpochStart();
        // incase of bribe contract reset in gauge proxy
        if (amount <= _balances[tokenId][_startTimestamp]) {
            uint256 _oldSupply = _totalSupply[_startTimestamp]; 
            uint256 _oldBalance = _balances[tokenId][_startTimestamp];
            _totalSupply[_startTimestamp] =  _oldSupply - amount;
            _balances[tokenId][_startTimestamp] =  _oldBalance - amount;
            emit Withdrawn(tokenId, amount);
        }

    }

    function getReward(uint tokenId, address[] calldata tokens) external nonReentrant  {
        require(IVotingEscrow(ve).isApprovedOrOwner(msg.sender, tokenId));
        _getReward(tokenId, tokens);
    }

    function getRewardForOwner(uint256 tokenId, address[] calldata tokens) public nonReentrant {
        require(msg.sender == voter);
        _getReward(tokenId, tokens);
    }

    function _getReward(uint256 tokenId, address[] calldata tokens) internal {
        uint256 _endTimestamp = getNextEpochStart();
        uint256 reward = 0;

        IVotingEscrow _ve = IVotingEscrow(ve);
        address _receiver = _ve.ownerOf(tokenId);

        for (uint256 i = tokens.length; i != 0; ) {
            unchecked {
                --i;
            }
            address _rewardToken = tokens[i];
            reward = earned(tokenId, _rewardToken);
            if (reward > 0) {
                IERC20(_rewardToken).safeTransfer(_receiver, reward);
                emit RewardPaid(_receiver, _rewardToken, reward);
            }
            userTimestamp[tokenId][_rewardToken] = _endTimestamp;
        }
    }

    function notifyRewardAmount(address _rewardsToken, uint256 reward) external nonReentrant {
        require(isRewardToken[_rewardsToken], "reward token not verified");
        IERC20(_rewardsToken).safeTransferFrom(msg.sender,address(this),reward);

        uint256 _startTimestamp = getNextEpochStart();
        if(firstBribeTimestamp == 0){
            firstBribeTimestamp = _startTimestamp;
        }

        uint256 _lastReward = _rewardData[_rewardsToken][_startTimestamp].rewardsPerEpoch;
        
        _rewardData[_rewardsToken][_startTimestamp].rewardsPerEpoch = _lastReward + reward;
        _rewardData[_rewardsToken][_startTimestamp].lastUpdateTime = block.timestamp;
        _rewardData[_rewardsToken][_startTimestamp].periodFinish = _startTimestamp + EPOCH_DURATION;

        emit RewardAdded(_rewardsToken, reward, _startTimestamp);
    }

    /* ========== RESTRICTED FUNCTIONS ========== */
    /// @notice add rewards tokens
    function addRewards(address[] memory _rewardsToken) public onlyAllowed {
        for (uint256 i = _rewardsToken.length; i != 0; ) {
            unchecked {
                --i;
            }
            _addReward(_rewardsToken[i]);
        }
    }
    /// @notice add a single reward token
    function addReward(address _rewardsToken) public onlyAllowed {
        _addReward(_rewardsToken);
    }
    function _addReward(address _rewardsToken) internal {
        if (!isRewardToken[_rewardsToken]) {
            isRewardToken[_rewardsToken] = true;
            rewardTokens.push(_rewardsToken);
        }
    }
    
    /// @notice Recover some ERC20 from the contract and updated given bribe
    function recoverERC20AndUpdateData(address tokenAddress, uint256 tokenAmount) external onlyAllowed {
        require(tokenAmount <= IERC20(tokenAddress).balanceOf(address(this)));
        uint256 _startTimestamp = IMinter(minter).active_period() + EPOCH_DURATION;
        uint256 _lastReward = _rewardData[tokenAddress][_startTimestamp].rewardsPerEpoch;
        _rewardData[tokenAddress][_startTimestamp].rewardsPerEpoch = _lastReward - tokenAmount;
        _rewardData[tokenAddress][_startTimestamp].lastUpdateTime = block.timestamp;
        IERC20(tokenAddress).safeTransfer(owner, tokenAmount);
        emit Recovered(tokenAddress, tokenAmount);
    }
    /// @notice Recover some ERC20 from the contract.
    /// @dev    Be careful --> if called then getReward() at last epoch will fail because some reward are missing!
    ///         Think about calling recoverERC20AndUpdateData()
    function emergencyRecoverERC20(address tokenAddress, uint256 tokenAmount) external onlyAllowed {
        require(tokenAmount <= IERC20(tokenAddress).balanceOf(address(this)));
        IERC20(tokenAddress).safeTransfer(owner, tokenAmount);
        emit Recovered(tokenAddress, tokenAmount);
    }

    function setVoter(address _Voter) external onlyOwner {
        require(_Voter != address(0));
        voter = _Voter;
    }

    function setMinter(address _minter) external onlyOwner {
        require(_minter != address(0));
        minter = _minter;
    }

    function addRewardToken(address _token) external onlyOwner {
        require(_token != address(0));
        isRewardToken[_token] = true;
        rewardTokens.push(_token);
    }

    function setOwner(address _owner) external onlyOwner {
        require(_owner != address(0));
        owner = _owner;
    }

    /* ========== MODIFIERS ========== */

    /* ========== EVENTS ========== */

    event RewardAdded(address rewardToken, uint256 reward, uint256 startTimestamp);
    event Staked(uint256 indexed tokenId, uint256 amount);
    event Withdrawn(uint256 indexed tokenId, uint256 amount);
    event RewardPaid(address indexed user,address indexed rewardsToken,uint256 reward);
    event Recovered(address token, uint256 amount);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../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.
 *
 * By default, the owner account will be the one that deploys the contract. 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;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @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 {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _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
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @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 making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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);

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
     * Revert on invalid signature.
     */
    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return
            success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

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

uint256 constant EPOCH_DURATION = 7 days;

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

interface IBribe {
    struct Reward {
        uint256 periodFinish;
        uint256 rewardsPerEpoch;
        uint256 lastUpdateTime;
    }

    function _deposit(uint256 amount, uint256 tokenId) external;

    function _withdraw(uint256 amount, uint256 tokenId) external;

    function addReward(address) external;

    function balanceOfAt(uint256 tokenId, uint256 _timestamp) external view returns (uint256);

    function earned(uint256 tokenId, address _rewardToken) external view returns (uint256);

    function emergencyRecoverERC20(address tokenAddress, uint256 tokenAmount) external;

    function firstBribeTimestamp() external view returns (uint256);

    function getEpochStart() external view returns (uint256);

    function getNextEpochStart() external view returns (uint256);

    function getRewardForOwner(uint256 tokenId, address[] memory tokens) external;

    function notifyRewardAmount(address token, uint256 amount) external;

    function recoverERC20AndUpdateData(address tokenAddress, uint256 tokenAmount) external;

    function rewardData(address _token, uint256 _timestamp) external view returns (Reward memory);

    function rewardTokens(uint256 _index) external view returns (address);

    function rewardsListLength() external view returns (uint256);

    function setMinter(address _minter) external;

    function setOwner(address _owner) external;

    function setVoter(address _voter) external;

    function totalSupplyAt(uint256 _timestamp) external view returns (uint256);
}

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

interface IMinter {
    function update_period() external returns (uint256);

    function check() external view returns (bool);

    function period() external view returns (uint256);

    function active_period() external view returns (uint256);

    function calculate_emission() external view returns (uint256);

    function calculate_growth(uint256 _weeklyMinted) external view returns (uint256);
}

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

interface IVoter {
    function _ve() external view returns (address);

    function governor() external view returns (address);

    function gauges(address _pair) external view returns (address);

    function factory() external view returns (address);

    function minter() external view returns (address);

    function emergencyCouncil() external view returns (address);

    function emitDeposit(uint256 _tokenId, address account, uint256 amount) external;

    function emitWithdraw(uint256 _tokenId, address account, uint256 amount) external;

    function isWhitelisted(address token) external view returns (bool);

    function notifyRewardAmount(uint256 amount) external;

    function distributeFees(address[] memory _gauges) external;

    function distributeAll() external;

    function distribute(uint256 start, uint256 finish) external;

    function distribute(address[] memory _gauges) external;

    function internal_bribes(address _gauge) external view returns (address);

    function external_bribes(address _gauge) external view returns (address);

    function totalWeightAt(uint256 _time) external view returns (uint256);

    function totalWeight() external view returns (uint256);

    function weights(address _pair) external view returns (uint256);

    function _epochTimestamp() external view returns (uint256);

    function lastVoted(uint256 id) external view returns (uint256);

    function poolVote(uint256 id, uint256 _index) external view returns (address _pair);

    function votes(uint256 id, address _pool) external view returns (uint256 votes);

    function poolVoteLength(uint256 tokenId) external view returns (uint256);

    function length() external view returns (uint256);

    function getIncentivizedPools() external view returns (address[] memory);

    function isBribe(address _bribe) external view returns (bool);

    function reset(uint256 _tokenId) external;

    function poke(uint256 _tokenId) external;
}

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

import {IERC721, IERC721Metadata} from "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol";

interface IVotingEscrow is IERC721, IERC721Metadata {
    struct Point {
        int128 bias;
        int128 slope; // # -dweight / dt
        uint256 ts;
        uint256 blk; // block
    }

    struct LockedBalance {
        int128 amount;
        uint256 end;
    }

    function create_lock_for(uint256 _value, uint256 _lock_duration, address _to) external returns (uint256);

    function locked(uint256 id) external view returns (LockedBalance memory);

    function tokenOfOwnerByIndex(address _owner, uint256 _tokenIndex) external view returns (uint256);

    function token() external view returns (address);

    function team() external returns (address);

    function epoch() external view returns (uint256);

    function point_history(uint256 loc) external view returns (Point memory);

    function user_point_history(uint256 tokenId, uint256 loc) external view returns (Point memory);

    function user_point_epoch(uint256 tokenId) external view returns (uint256);

    function ownerOf(uint256) external view returns (address);

    function isApprovedOrOwner(address, uint256) external view returns (bool);

    function transferFrom(address, address, uint256) external;

    function voted(uint256) external view returns (bool);

    function voting(uint256 tokenId) external;

    function voter() external view returns (address);

    function abstain(uint256 tokenId) external;

    function checkpoint() external;

    function deposit_for(uint256 tokenId, uint256 value) external;

    function balanceOfNFT(uint256 _id) external view returns (uint256);

    function balanceOfNFTAt(uint _tokenId, uint _t) external view returns (uint);

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

    function totalSupply() external view returns (uint256);

    function supply() external view returns (uint256);

    function decimals() external view returns (uint8);
}

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

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[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_voter","type":"address"},{"internalType":"address","name":"_bribeFactory","type":"address"},{"internalType":"string","name":"_type","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Recovered","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"rewardToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"startTimestamp","type":"uint256"}],"name":"RewardAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"rewardsToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"}],"name":"RewardPaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Staked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdrawn","type":"event"},{"inputs":[],"name":"TYPE","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"_deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"_totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"_withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_rewardsToken","type":"address"}],"name":"addReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"addRewardToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_rewardsToken","type":"address[]"}],"name":"addRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"_timestamp","type":"uint256"}],"name":"balanceOfAt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bribeFactory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"_rewardToken","type":"address"}],"name":"earned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"}],"name":"emergencyRecoverERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"firstBribeTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getEpochStart","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNextEpochStart","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address[]","name":"tokens","type":"address[]"}],"name":"getReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address[]","name":"tokens","type":"address[]"}],"name":"getRewardForOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isRewardToken","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minter","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_rewardsToken","type":"address"},{"internalType":"uint256","name":"reward","type":"uint256"}],"name":"notifyRewardAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"}],"name":"recoverERC20AndUpdateData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_timestamp","type":"uint256"}],"name":"rewardData","outputs":[{"components":[{"internalType":"uint256","name":"periodFinish","type":"uint256"},{"internalType":"uint256","name":"rewardsPerEpoch","type":"uint256"},{"internalType":"uint256","name":"lastUpdateTime","type":"uint256"}],"internalType":"struct IBribe.Reward","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_rewardsToken","type":"address"},{"internalType":"uint256","name":"_timestamp","type":"uint256"}],"name":"rewardPerToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"rewardTokens","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardsListLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"setMinter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_Voter","type":"address"}],"name":"setVoter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_timestamp","type":"uint256"}],"name":"totalSupplyAt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"userRewardPerTokenPaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"userTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"voter","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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