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// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;
import "./interfaces/ICurveConvex.sol";
import "./interfaces/IConvexWrapperV2.sol";
import "./StakingProxyBase.sol";
import "./interfaces/IFraxFarmERC20_V2.sol";
import '@openzeppelin/contracts/security/ReentrancyGuard.sol';
contract StakingProxyConvex is StakingProxyBase, ReentrancyGuard{
    using SafeERC20 for IERC20;
    address public constant poolRegistry = address(0x7413bFC877B5573E29f964d572f421554d8EDF86);
    address public constant convexCurveBooster = address(0xF403C135812408BFbE8713b5A23a04b3D48AAE31);
    address public constant crv = address(0xD533a949740bb3306d119CC777fa900bA034cd52);
    address public constant cvx = address(0x4e3FBD56CD56c3e72c1403e103b45Db9da5B9D2B);
    address public curveLpToken;
    address public convexDepositToken;
    constructor() {
    }
    function vaultType() external pure override returns(VaultType){
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;
interface IRewards{
    struct EarnedData {
        address token;
        uint256 amount;
    }
    
    function initialize(uint256 _pid, bool _startActive) external;
    function addReward(address _rewardsToken, address _distributor) external;
    function approveRewardDistributor(
        address _rewardsToken,
        address _distributor,
        bool _approved
    ) external;
    function deposit(address _owner, uint256 _amount) external;
    function withdraw(address _owner, uint256 _amount) external;
    function getReward(address _forward) external;
    function notifyRewardAmount(address _rewardsToken, uint256 _reward) external;
    function balanceOf(address account) external view returns (uint256);
    function claimableRewards(address _account) external view returns(EarnedData[] memory userRewards);
    function rewardTokens(uint256 _rid) external view returns (address);
    function rewardTokenLength() external view returns(uint256);
    function active() external view returns(bool);
}
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;
interface IProxyVault {
    enum VaultType{
        Erc20Basic,
        UniV3,
        Convex,
        Erc20Joint
    }
    function initialize(address _owner, address _stakingAddress, address _stakingToken, address _rewardsAddress) external;
    function usingProxy() external returns(address);
    function owner() external returns(address);
    function stakingAddress() external returns(address);
    function rewards() external returns(address);
    function getReward() external;
    function getReward(bool _claim) external;
    function getReward(bool _claim, address[] calldata _rewardTokenList) external;
    function earned() external returns (address[] memory token_addresses, uint256[] memory total_earned);
}
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// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
interface IFraxFarmERC20_V2 {
    
    struct LockedStake {
        bytes32 kek_id;
        uint256 start_timestamp;
        uint256 liquidity;
        uint256 ending_timestamp;
        uint256 lock_multiplier; // 6 decimals of precision. 1x = 1000000
    }
    function owner() external view returns (address);
    function stakingToken() external view returns (address);
    function fraxPerLPToken() external view returns (uint256);
    function calcCurCombinedWeight(address account) external view
        returns (
            uint256 old_combined_weight,
            uint256 new_vefxs_multiplier,
            uint256 new_combined_weight
        );
    function lockedStakesOf(address account) external view returns (LockedStake[] memory);
    function lockedStakesOfLength(address account) external view returns (uint256);
    function lockAdditional(bytes32 kek_id, uint256 addl_liq) external;
    function lockLonger(bytes32 kek_id, uint256 new_ending_ts) external;
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// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
interface IFraxFarmBase{
    function totalLiquidityLocked() external view returns (uint256);
    function lockedLiquidityOf(address account) external view returns (uint256);
    function toggleValidVeFXSProxy(address proxy_address) external;
    function proxyToggleStaker(address staker_address) external;
    function stakerSetVeFXSProxy(address proxy_address) external;
    function getReward(address destination_address) external returns (uint256[] memory);
}
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;
interface IFeeRegistry{
    function cvxfxsIncentive() external view returns(uint256);
    function cvxIncentive() external view returns(uint256);
    function platformIncentive() external view returns(uint256);
    function totalFees() external view returns(uint256);
    function maxFees() external view returns(uint256);
    function feeDeposit() external view returns(address);
    function getFeeDepositor(address _from) external view returns(address);
}
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;
interface ICurveConvex {
   function earmarkRewards(uint256 _pid) external returns(bool);
   function earmarkFees() external returns(bool);
   function poolInfo(uint256 _pid) external returns(address _lptoken, address _token, address _gauge, address _crvRewards, address _stash, bool 
       _shutdown);
   function deposit(uint256 _pid, uint256 _amount, bool _stake) external returns(bool);
}
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;
interface IConvexWrapperV2{
   struct EarnedData {
        address token;
        uint256 amount;
    }
   struct RewardType {
        address reward_token;
        address reward_pool;
        uint128 reward_integral;
        uint128 reward_remaining;
    }
  function distroContract() external view returns(address distro);
  function collateralVault() external view returns(address vault);
  function convexPoolId() external view returns(uint256 _poolId);
  function curveToken() external view returns(address);
  function convexToken() external view returns(address);
  function rewardRedirect(address _account) external view returns(address);
  function balanceOf(address _account) external view returns(uint256);
  function totalBalanceOf(address _account) external view returns(uint256);
  function deposit(uint256 _amount, address _to) external;
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;
import "./interfaces/IProxyVault.sol";
import "./interfaces/IFeeRegistry.sol";
import "./interfaces/IFraxFarmBase.sol";
import "./interfaces/IRewards.sol";
import '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';
contract StakingProxyBase is IProxyVault{
    using SafeERC20 for IERC20;
    address public constant fxs = address(0x3432B6A60D23Ca0dFCa7761B7ab56459D9C964D0);
    address public constant vefxsProxy = address(0x59CFCD384746ec3035299D90782Be065e466800B);
    address public constant feeRegistry = address(0xC9aCB83ADa68413a6Aa57007BC720EE2E2b3C46D); //fee registry
    address public owner; //owner of the vault
    address public stakingAddress; //farming contract
    address public stakingToken; //farming token
    address public rewards; //extra rewards on convex
    address public usingProxy; //address of proxy being used
    uint256 public constant FEE_DENOMINATOR = 10000;
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../IERC20.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;
    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);
    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);
    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);
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// SPDX-License-Identifier: MIT
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.
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{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "london",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}
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[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"FEE_DENOMINATOR","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_rewardsAddress","type":"address"}],"name":"changeRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"checkpointRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"convexCurveBooster","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"convexDepositToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"crv","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"curveLpToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cvx","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"earned","outputs":[{"internalType":"address[]","name":"token_addresses","type":"address[]"},{"internalType":"uint256[]","name":"total_earned","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fxs","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_claim","type":"bool"},{"internalType":"address[]","name":"_rewardTokenList","type":"address[]"}],"name":"getReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_claim","type":"bool"}],"name":"getReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_stakingAddress","type":"address"},{"internalType":"address","name":"_stakingToken","type":"address"},{"internalType":"address","name":"_rewardsAddress","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_kek_id","type":"bytes32"},{"internalType":"uint256","name":"_addl_liq","type":"uint256"}],"name":"lockAdditional","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_kek_id","type":"bytes32"},{"internalType":"uint256","name":"_addl_liq","type":"uint256"}],"name":"lockAdditionalConvexToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_kek_id","type":"bytes32"},{"internalType":"uint256","name":"_addl_liq","type":"uint256"}],"name":"lockAdditionalCurveLp","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_kek_id","type":"bytes32"},{"internalType":"uint256","name":"new_ending_ts","type":"uint256"}],"name":"lockLonger","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewards","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_proxy","type":"address"}],"name":"setVeFXSProxy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_liquidity","type":"uint256"},{"internalType":"uint256","name":"_secs","type":"uint256"}],"name":"stakeLocked","outputs":[{"internalType":"bytes32","name":"kek_id","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_liquidity","type":"uint256"},{"internalType":"uint256","name":"_secs","type":"uint256"}],"name":"stakeLockedConvexToken","outputs":[{"internalType":"bytes32","name":"kek_id","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_liquidity","type":"uint256"},{"internalType":"uint256","name":"_secs","type":"uint256"}],"name":"stakeLockedCurveLp","outputs":[{"internalType":"bytes32","name":"kek_id","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stakingAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stakingToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"usingProxy","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vaultType","outputs":[{"internalType":"enum IProxyVault.VaultType","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"vaultVersion","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"vefxsProxy","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_kek_id","type":"bytes32"}],"name":"withdrawLocked","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_kek_id","type":"bytes32"}],"name":"withdrawLockedAndUnwrap","outputs":[],"stateMutability":"nonpayable","type":"function"}]