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// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

import "./interfaces/IFeeReceiver.sol";
import "./interfaces/IBooster.sol";
import "./interfaces/IVoterProxy.sol";
import '@openzeppelin/contracts/token/ERC20/IERC20.sol';

interface IProxyVault{
    function withdrawTo(address _asset, uint256 _amount, address _to) external;

    function withdrawLocked(uint256 _amount) external;
}

//claim fees from the proxyvault which is holding expired and/or locked tokens
contract BoostFeeClaimer is IFeeReceiver {

    address public immutable prisma;
    address public immutable vault;
    address public immutable operator;
    address public immutable veProxy;

    constructor(address _proxy, address _vault, address _prisma, address _operator) {
        veProxy = _proxy;
        vault = _vault;
        prisma = _prisma;
        operator = _operator;
    }

    modifier onlyOperator() {
        require(msg.sender == operator, "!op");
        _;
    }

    function processFees() external onlyOperator{
        //claim latest
        IBooster(IVoterProxy(veProxy).operator()).claimFees();

        //withdraw locked
        IProxyVault(vault).withdrawLocked(type(uint256).max);

        //get balance
        uint256 tokenbalance = IERC20(prisma).balanceOf(vault);

        if(tokenbalance > 0){
            //pull to operator
            IProxyVault(vault).withdrawTo(prisma, tokenbalance, operator);
        }
    }

}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

interface IVoterProxy{
    function operator() external view returns(address);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

interface IFeeReceiver {
   function processFees() external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

interface IBooster {
   function owner() external returns(address);
   function rewardManager() external returns(address);
   function isShutdown() external returns(bool);
   function recoverERC20FromProxy(address _tokenAddress, uint256 _tokenAmount, address _withdrawTo) external;
   function claimFees() external;
}

// 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);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_proxy","type":"address"},{"internalType":"address","name":"_vault","type":"address"},{"internalType":"address","name":"_prisma","type":"address"},{"internalType":"address","name":"_operator","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"operator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"prisma","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"processFees","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vault","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"veProxy","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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0000000000000000000000008ad7a9e2b3cd9214f36cb871336d8ab34ddfdd5b000000000000000000000000b20b384c2f958f2100e14c5048922613f937674a000000000000000000000000da47862a83dac0c112ba89c6abc2159b95afd71c0000000000000000000000004b33e944e4ae1cb58abfed5a16a4e25b041fb5d5

-----Decoded View---------------
Arg [0] : _proxy (address): 0x8ad7a9e2B3Cd9214f36Cb871336d8ab34DdFdD5b
Arg [1] : _vault (address): 0xb20b384C2F958f2100E14C5048922613F937674A
Arg [2] : _prisma (address): 0xdA47862a83dac0c112BA89c6abC2159b95afd71C
Arg [3] : _operator (address): 0x4B33E944E4Ae1Cb58ABfED5a16a4E25b041Fb5d5

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000008ad7a9e2b3cd9214f36cb871336d8ab34ddfdd5b
Arg [1] : 000000000000000000000000b20b384c2f958f2100e14c5048922613f937674a
Arg [2] : 000000000000000000000000da47862a83dac0c112ba89c6abc2159b95afd71c
Arg [3] : 0000000000000000000000004b33e944e4ae1cb58abfed5a16a4e25b041fb5d5