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/**
 *Submitted for verification at Etherscan.io on 2021-05-17
*/

pragma solidity 0.8.2;


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);
}

interface IBoostedVaultWithLockup {
    /**
     * @dev Stakes a given amount of the StakingToken for the sender
     * @param _amount Units of StakingToken
     */
    function stake(uint256 _amount) external;

    /**
     * @dev Stakes a given amount of the StakingToken for a given beneficiary
     * @param _beneficiary Staked tokens are credited to this address
     * @param _amount      Units of StakingToken
     */
    function stake(address _beneficiary, uint256 _amount) external;

    /**
     * @dev Withdraws stake from pool and claims any unlocked rewards.
     * Note, this function is costly - the args for _claimRewards
     * should be determined off chain and then passed to other fn
     */
    function exit() external;

    /**
     * @dev Withdraws stake from pool and claims any unlocked rewards.
     * @param _first    Index of the first array element to claim
     * @param _last     Index of the last array element to claim
     */
    function exit(uint256 _first, uint256 _last) external;

    /**
     * @dev Withdraws given stake amount from the pool
     * @param _amount Units of the staked token to withdraw
     */
    function withdraw(uint256 _amount) external;

    /**
     * @dev Claims only the tokens that have been immediately unlocked, not including
     * those that are in the lockers.
     */
    function claimReward() external;

    /**
     * @dev Claims all unlocked rewards for sender.
     * Note, this function is costly - the args for _claimRewards
     * should be determined off chain and then passed to other fn
     */
    function claimRewards() external;

    /**
     * @dev Claims all unlocked rewards for sender. Both immediately unlocked
     * rewards and also locked rewards past their time lock.
     * @param _first    Index of the first array element to claim
     * @param _last     Index of the last array element to claim
     */
    function claimRewards(uint256 _first, uint256 _last) external;

    /**
     * @dev Pokes a given account to reset the boost
     */
    function pokeBoost(address _account) external;

    /**
     * @dev Gets the last applicable timestamp for this reward period
     */
    function lastTimeRewardApplicable() external view returns (uint256);

    /**
     * @dev Calculates the amount of unclaimed rewards per token since last update,
     * and sums with stored to give the new cumulative reward per token
     * @return 'Reward' per staked token
     */
    function rewardPerToken() external view returns (uint256);

    /**
     * @dev Returned the units of IMMEDIATELY claimable rewards a user has to receive. Note - this
     * does NOT include the majority of rewards which will be locked up.
     * @param _account User address
     * @return Total reward amount earned
     */
    function earned(address _account) external view returns (uint256);

    /**
     * @dev Calculates all unclaimed reward data, finding both immediately unlocked rewards
     * and those that have passed their time lock.
     * @param _account User address
     * @return amount Total units of unclaimed rewards
     * @return first Index of the first userReward that has unlocked
     * @return last Index of the last userReward that has unlocked
     */
    function unclaimedRewards(address _account)
        external
        view
        returns (
            uint256 amount,
            uint256 first,
            uint256 last
        );
}

// SPDX-License-Identifier: AGPL-3.0-or-later
struct PokeVaultAccounts {
    // Address of the Boosted Vault
    address boostVault;
    // List of accounts to be poked
    address[] accounts;
}

/**
 * @title   Poker
 * @author  mStable
 * @notice  Pokes accounts on boosted vaults so their vault balances can be recalculated.
 * @dev     VERSION: 1.0
 *          DATE:    2021-04-17
 */
contract Poker {

    /**
     * @dev For each boosted vault, poke all the over boosted accounts.
     * @param _vaultAccounts     An array of PokeVaultAccounts structs
     */
    function poke(PokeVaultAccounts[] memory _vaultAccounts) external {
        uint vaultCount = _vaultAccounts.length;
        for(uint i = 0; i < vaultCount; i++) {
            PokeVaultAccounts memory vaultAccounts = _vaultAccounts[i];
            address boostVaultAddress = vaultAccounts.boostVault;
            require(boostVaultAddress != address(0), "blank vault address");
            IBoostedVaultWithLockup boostVault = IBoostedVaultWithLockup(boostVaultAddress);

            uint accountsLength = vaultAccounts.accounts.length;
            for(uint j = 0; j < accountsLength; j++) {
                address accountAddress = vaultAccounts.accounts[j];
                require(accountAddress != address(0), "blank address");
                boostVault.pokeBoost(accountAddress);
            }
        }
    }
}

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[{"inputs":[{"components":[{"internalType":"address","name":"boostVault","type":"address"},{"internalType":"address[]","name":"accounts","type":"address[]"}],"internalType":"struct PokeVaultAccounts[]","name":"_vaultAccounts","type":"tuple[]"}],"name":"poke","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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ipfs://1429e1fcfcf05c33c73f22341e7312447162274e94d9fa3c0869a71d0605d235