Contract 0xa59e8042b8199fb21913ae3b96178e15ef96bac3 1

// SPDX-License-Identifier: BSD-4-Clause

pragma solidity ^0.8.13;

import {
    BaseVault,
    IBhavishAdministrator,
    IBhavishPrediction,
    IBhavishSDKImpl,
    IVaultProtector
} from "./BaseVault.sol";
import { IBhavishSDK } from "../Interface/IBhavishSDK.sol";
import { AccessControl } from "@openzeppelin/contracts/access/AccessControl.sol";

/**
 * @title Bhavish Native Vault
 * This works on native currency only
 */
contract BhavishNativeVault is AccessControl, BaseVault {
    IBhavishSDK public bhavishSDK;

    constructor(
        IBhavishAdministrator _bhavishAdmin, // Bhavish Admin Address
        IBhavishSDK _bhavishSDK, // Bhavish SDK Address
        bytes32 _underlying,
        bytes32 _strike,
        string memory _supportedCurrency,
        IVaultProtector _protector
    ) BaseVault(_bhavishAdmin, _supportedCurrency, _underlying, _strike, _protector) {
        bhavishSDK = _bhavishSDK;
    }

    function totalAssets() public view override returns (uint256) {
        return address(this).balance;
    }

    function getPredictionMarketAddr() internal override returns (address) {
        return IBhavishSDKImpl(address(bhavishSDK)).predictionMap(assetPair.underlying, assetPair.strike);
    }

    function _performPrediction(
        uint256 _roundId,
        bool _nextPredictionUp,
        uint256 _predictAmount
    ) internal override {
        bhavishSDK.predict{ value: _predictAmount }(
            IBhavishSDK.PredictionStruct(assetPair.underlying, assetPair.strike, _roundId, _nextPredictionUp),
            address(this),
            address(this)
        );
    }

    function performClaim(uint256[] memory _roundIds) external override {
        uint256 totalBetAmount = 0;
        uint256 beforeBalance = address(this).balance;

        for (uint256 i = 0; i < _roundIds.length; i++) {
            if (!claimRefundMap[_roundIds[i]] && (!isClaimable(_roundIds[i]) || isClaimPending(_roundIds[i]))) {
                totalBetAmount += getRoundBetAmount(_roundIds[i]);
                claimRefundMap[_roundIds[i]] = true;
            }
        }

        bhavishSDK.claim(
            IBhavishSDK.PredictionStruct(assetPair.underlying, assetPair.strike, 0, false),
            _roundIds,
            bytes32(""),
            false,
            0
        );

        uint256 claimedAmount = address(this).balance - beforeBalance;
        // win or loss
        vaultDeposit.totalDeposit = vaultDeposit.totalDeposit + claimedAmount - totalBetAmount;
    }

    function performRefund(uint256[] memory _roundIds) external override {
        uint256 totalBetAmount = 0;
        uint256 beforeBalance = address(this).balance;

        for (uint256 i = 0; i < _roundIds.length; i++) {
            if (!claimRefundMap[_roundIds[i]] && (!isClaimable(_roundIds[i]) || isClaimPending(_roundIds[i]))) {
                totalBetAmount += getRoundBetAmount(_roundIds[i]);
                bhavishSDK.refundUsers(
                    IBhavishSDK.PredictionStruct(assetPair.underlying, assetPair.strike, 0, false),
                    _roundIds[i]
                );
                claimRefundMap[_roundIds[i]] = true;
            }
        }

        uint256 totalRefundAmount = address(this).balance - beforeBalance;
        vaultDeposit.totalDeposit = vaultDeposit.totalDeposit + totalRefundAmount - totalBetAmount;
    }

    function _safeTransfer(address _to, uint256 _value) internal override {
        (bool success, ) = _to.call{ value: _value }("");
        require(success, "TransferHelper: TRANSFER_FAILED");
    }

    function deposit() external payable whenNotPaused nonReentrant {
        _depositToVault(msg.value);
    }

    function withdraw(uint256 _shares) external nonReentrant {
        uint256 assetAmount = _withdrawFromVault(_shares);
        _safeTransfer(msg.sender, assetAmount);
        vaultDeposit.userDeposits[msg.sender] = convertToAssets(vaultDeposit.userShares[msg.sender]);
    }
}

// SPDX-License-Identifier: BSD-4-Clause

pragma solidity ^0.8.13;

import { IBhavishAdministrator } from "../Interface/IBhavishAdministrator.sol";
import { IBhavishPrediction } from "../Interface/IBhavishPrediction.sol";
import { AccessControl } from "@openzeppelin/contracts/access/AccessControl.sol";
import { Address } from "@openzeppelin/contracts/utils/Address.sol";
import { Pausable } from "@openzeppelin/contracts/security/Pausable.sol";
import { SafeMath } from "@openzeppelin/contracts/utils/math/SafeMath.sol";
import { Math } from "@openzeppelin/contracts/utils/math/Math.sol";
import { ReentrancyGuard } from "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import { IVaultProtector } from "../Interface/IVaultProtector.sol";

interface IBhavishSDKImpl {
    function predictionMap(bytes32 _underlying, bytes32 _strike) external returns (address);
}

interface IBhavishPredictionImpl {
    function bhavishPredictionStorage() external returns (address storageAddr);

    function _claimable(IBhavishPrediction.Round memory _round, IBhavishPrediction.BetInfo memory _betInfo)
        external
        pure
        returns (bool);
}

interface IBhavishStorage {
    function getPredictionRound(uint256 _roundId) external returns (IBhavishPrediction.Round memory round);

    function getBetInfo(uint256 _roundId, address _userAddress)
        external
        returns (IBhavishPrediction.BetInfo memory betInfo);
}

/**
 * @title Base Vault
 */
abstract contract BaseVault is Pausable, AccessControl, ReentrancyGuard {
    using Address for address;
    using Math for uint256;
    using SafeMath for uint256;

    struct VaultDeposit {
        mapping(address => uint256) userDeposits;
        mapping(address => uint256) userLastDepositTime;
        mapping(address => uint256) userShares;
        uint256 totalDeposit;
        uint256 maxCapacity;
        uint256 shares;
    }

    struct VaultConfig {
        uint256 predictionPerc;
        uint256 minPredictionPerc;
        uint256 withdrawFeeRatio;
        uint256 performanceFeeRatio;
        uint256 previousRoundId;
        uint256 penultimateRoundId;
        uint256 lockPeriod;
        string supportedCurrency;
    }

    enum TransactionType {
        DEPOSIT,
        WITHDRAW
    }

    IBhavishAdministrator public bhavishAdmin;
    VaultDeposit public vaultDeposit;
    IBhavishPrediction.AssetPair public assetPair;
    VaultConfig public vaultConfig;
    IVaultProtector public protector;
    mapping(uint256 => bool) public claimRefundMap;

    uint256 public constant DENOMINATOR = 10000;
    uint256 public constant MAX_PERFORMANCE_FEE = 5000;
    uint256 public constant MAX_WITHDRAW_FEE = 100;
    bytes32 public constant OPERATOR_ROLE = keccak256("OPERATOR_ROLE");

    event FeeCollected(uint256 fee);
    event DepositProcessed(address indexed owner, uint256 assetAmount, uint256 shares);
    event WithdrawProcessed(address indexed owner, uint256 assetAmount, uint256 shares);
    event NewOperator(address indexed operator);
    event NewWithdrawFee(uint256 _fee);
    event NewPerformanceFee(uint256 _fee);
    event NewPredictionPerc(uint256 _perc);
    event NewMinPredictionPerc(uint256 _perc);
    event NewMaxCapacity(uint256 cap);
    event NewBhavishAdmin(IBhavishAdministrator _admin);
    event NewVaultProtector(IVaultProtector _protector);
    event NewLockPeriod(uint256 _period);

    // Implement following virtual methods

    function _performPrediction(
        uint256 _roundId,
        bool _nextPredictionUp,
        uint256 _predictAmount
    ) internal virtual;

    function _safeTransfer(address to, uint256 value) internal virtual;

    function getPredictionMarketAddr() internal virtual returns (address);

    function totalAssets() public view virtual returns (uint256);

    function performClaim(uint256[] memory _roundIds) external virtual;

    function performRefund(uint256[] calldata roundIds) external virtual;

    modifier onlyOperator(address _userAddress) {
        require(hasRole(OPERATOR_ROLE, _userAddress), "Caller Is Not Operator");
        _;
    }

    modifier validateUser(address _userAddress) {
        require(msg.sender == _userAddress, "invalid user address");
        _;
    }

    modifier validateMaxCap(uint256 _amount) {
        require(vaultDeposit.maxCapacity >= vaultDeposit.totalDeposit + _amount, "Vault reached max capacity");
        _;
    }

    modifier onlyAdmin(address _address) {
        require(hasRole(DEFAULT_ADMIN_ROLE, _address), "Address not an admin");
        _;
    }

    constructor(
        IBhavishAdministrator _bhavishAdmin,
        string memory _supportedCurrency,
        bytes32 _underlying,
        bytes32 _strike,
        IVaultProtector _protector
    ) {
        bhavishAdmin = _bhavishAdmin;
        vaultConfig.supportedCurrency = _supportedCurrency;
        vaultConfig.predictionPerc = 300;
        vaultConfig.minPredictionPerc = 1000; // 10% of predictionPerc
        vaultConfig.withdrawFeeRatio = 0;
        vaultConfig.performanceFeeRatio = 1000;
        vaultConfig.lockPeriod = 1 days;
        assetPair = IBhavishPrediction.AssetPair(_underlying, _strike);
        protector = _protector;
        _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
    }

    receive() external payable {}

    function setOperator(address _operator) external onlyAdmin(msg.sender) {
        require(!address(_operator).isContract(), "Operator cannot be a contract");
        require(_operator != address(0), "Cannot be zero address");
        grantRole(OPERATOR_ROLE, _operator);

        emit NewOperator(_operator);
    }

    function _getPerformanceFeeRatio(uint256 _amount) internal view returns (uint256) {
        return (_amount * vaultConfig.performanceFeeRatio) / DENOMINATOR;
    }

    function _getWithdrawFeeRatio(uint256 _amount) internal view returns (uint256) {
        return (_amount * vaultConfig.withdrawFeeRatio) / DENOMINATOR;
    }

    function previewWithdraw(uint256 _shares, address _userAddress) public view returns (uint256, uint256) {
        // for values like 33.33%
        uint256 perc = (_shares * 100).ceilDiv(vaultDeposit.userShares[_userAddress]);
        uint256 amount = (vaultDeposit.userDeposits[_userAddress] * perc) / 100;
        uint256 redeemShares = convertToAssets(_shares);
        (, uint256 profit) = redeemShares.trySub(amount);

        // withdraw fee only from deposit
        uint256 fee = _getWithdrawFeeRatio(amount);
        // performance fee only from profits
        if (profit > 0) fee += _getPerformanceFeeRatio(profit);

        return (fee, redeemShares);
    }

    function pause() external whenNotPaused onlyAdmin(msg.sender) {
        _pause();
    }

    function unpause() external whenPaused onlyAdmin(msg.sender) {
        _unpause();
    }

    function getUserDeposits(address _userAddress) public view returns (uint256) {
        return vaultDeposit.userDeposits[_userAddress];
    }

    function getUserLastDepositTime(address _userAddress) public view returns (uint256) {
        return vaultDeposit.userLastDepositTime[_userAddress];
    }

    function getUserShares(address _userAddress) public view returns (uint256) {
        return vaultDeposit.userShares[_userAddress];
    }

    function setWithdrawFee(uint256 _fee) public onlyAdmin(msg.sender) {
        require(_fee <= MAX_WITHDRAW_FEE, "Cannot be > 1%");
        vaultConfig.withdrawFeeRatio = _fee;

        emit NewWithdrawFee(_fee);
    }

    function setPerformanceFee(uint256 _fee) public onlyAdmin(msg.sender) {
        require(_fee <= MAX_PERFORMANCE_FEE, "Cannot be > 50%");
        vaultConfig.performanceFeeRatio = _fee;

        emit NewPerformanceFee(_fee);
    }

    function setPredictionPerc(uint256 _perc) public onlyAdmin(msg.sender) {
        require(_perc <= 10000, "Cannot be 100%");
        vaultConfig.predictionPerc = _perc;

        emit NewPredictionPerc(_perc);
    }

    function setMinPredictionPerc(uint256 _perc) public onlyAdmin(msg.sender) {
        require(_perc <= 10000, "Cannot be 100%");
        vaultConfig.minPredictionPerc = _perc;

        emit NewMinPredictionPerc(_perc);
    }

    function setMaxCapacity(uint256 cap) public onlyAdmin(msg.sender) {
        vaultDeposit.maxCapacity = cap;

        emit NewMaxCapacity(cap);
    }

    function setBhavishAdmin(IBhavishAdministrator _admin) external onlyAdmin(msg.sender) {
        bhavishAdmin = _admin;

        emit NewBhavishAdmin(_admin);
    }

    function setVaultProtector(IVaultProtector _protector) external onlyAdmin(msg.sender) {
        protector = _protector;

        emit NewVaultProtector(_protector);
    }

    function getMaxCapacity() public view returns (uint256) {
        return vaultDeposit.maxCapacity;
    }

    function setLockPeriod(uint256 _period) public onlyAdmin(msg.sender) {
        require(_period >= 1 days && _period <= 7 days, "Cannot be < 1 days & > 7 days");
        vaultConfig.lockPeriod = _period;

        emit NewLockPeriod(_period);
    }

    function _depositToVault(uint256 _assetAmount)
        internal
        whenNotPaused
        validateMaxCap(_assetAmount)
        returns (uint256 shares)
    {
        require(_assetAmount > 0, "Invalid Deposit Amount");
        vaultDeposit.userDeposits[msg.sender] = _calculateAssets(vaultDeposit.userShares[msg.sender], _assetAmount);
        vaultDeposit.userLastDepositTime[msg.sender] = block.timestamp;

        shares = convertToShares(_assetAmount);

        vaultDeposit.totalDeposit += _assetAmount;
        vaultDeposit.userDeposits[msg.sender] += _assetAmount;

        vaultDeposit.userShares[msg.sender] += shares;
        vaultDeposit.shares += shares;

        emit DepositProcessed(msg.sender, _assetAmount, shares);
    }

    function convertToAssets(uint256 _shares) public view returns (uint256) {
        uint256 supply = vaultDeposit.shares;
        return (supply == 0) ? _shares : _shares.mulDiv(totalAssets(), supply, Math.Rounding.Down);
    }

    function _calculateAssets(uint256 _shares, uint256 _amount) internal view returns (uint256) {
        uint256 supply = vaultDeposit.shares;
        return
            (supply == 0 || _amount == 0)
                ? _shares
                : _shares.mulDiv(totalAssets() - _amount, supply, Math.Rounding.Down);
    }

    function convertToShares(uint256 _amount) public view returns (uint256) {
        uint256 supply = vaultDeposit.shares;
        return
            (_amount == 0 || supply == 0)
                ? _amount
                : _amount.mulDiv(supply, vaultDeposit.totalDeposit, Math.Rounding.Down);
    }

    function _withdrawFromVault(uint256 _shares) internal returns (uint256 assetAmount) {
        require(
            vaultDeposit.userLastDepositTime[msg.sender] + vaultConfig.lockPeriod < block.timestamp,
            "can't remove within lock period"
        );
        require(_shares <= vaultDeposit.userShares[msg.sender], "Insufficient shares");
        (uint256 fee, uint256 amount) = previewWithdraw(_shares, msg.sender);

        assetAmount = amount - fee;

        vaultDeposit.totalDeposit -= amount;
        vaultDeposit.userShares[msg.sender] -= _shares;
        vaultDeposit.shares -= _shares;

        emit WithdrawProcessed(msg.sender, assetAmount, _shares);
        if (fee > 0) {
            _transferToAdmin(fee);
            emit FeeCollected(fee);
        }
    }

    function getStorageAddr() internal returns (address storageAddr) {
        storageAddr = IBhavishPredictionImpl(getPredictionMarketAddr()).bhavishPredictionStorage();
    }

    function getPredictionRoundStatus(uint256 _roundId) public returns (IBhavishPrediction.RoundState roundStatus) {
        IBhavishPrediction.Round memory roundDetails = IBhavishStorage(getStorageAddr()).getPredictionRound(_roundId);
        roundStatus = roundDetails.roundState;
    }

    function getPredictionRound(uint256 _roundId) public returns (IBhavishPrediction.Round memory roundDetails) {
        roundDetails = IBhavishStorage(getStorageAddr()).getPredictionRound(_roundId);
    }

    function getBetInfo(uint256 _roundId) public returns (IBhavishPrediction.BetInfo memory betInfo) {
        betInfo = IBhavishStorage(getStorageAddr()).getBetInfo(_roundId, address(this));
    }

    function isClaimable(uint256 _roundId) public returns (bool _isClaimable) {
        _isClaimable = IBhavishPredictionImpl(getPredictionMarketAddr())._claimable(
            getPredictionRound(_roundId),
            getBetInfo(_roundId)
        );
    }

    function isClaimPending(uint256 _roundId) public returns (bool) {
        IBhavishPrediction.BetInfo memory betInfo = getBetInfo(_roundId);
        return betInfo.amountDispersed == 0;
    }

    function getRoundBetAmount(uint256 _roundId) public returns (uint256 _amount) {
        IBhavishPrediction.BetInfo memory betInfo = getBetInfo(_roundId);
        _amount = betInfo.upPredictAmount + betInfo.downPredictAmount;
    }

    function performClaimAndRefund() internal {
        if (isClaimPending(vaultConfig.penultimateRoundId)) {
            uint256[] memory roundIds = new uint256[](1);
            roundIds[0] = vaultConfig.penultimateRoundId;
            IBhavishPrediction.RoundState rStatus = getPredictionRoundStatus(vaultConfig.penultimateRoundId);
            if (rStatus == IBhavishPrediction.RoundState.ENDED) this.performClaim(roundIds);
            else if (rStatus == IBhavishPrediction.RoundState.CANCELLED) this.performRefund(roundIds);
        }

        if (isClaimPending(vaultConfig.previousRoundId)) {
            uint256[] memory roundIds = new uint256[](1);
            roundIds[0] = vaultConfig.previousRoundId;
            IBhavishPrediction.RoundState rStatus = getPredictionRoundStatus(vaultConfig.previousRoundId);
            if (rStatus == IBhavishPrediction.RoundState.ENDED) this.performClaim(roundIds);
            else if (rStatus == IBhavishPrediction.RoundState.CANCELLED) this.performRefund(roundIds);
        }
    }

    function performPrediction(uint256 roundId, bool nextPredictionUp) external whenNotPaused onlyOperator(msg.sender) {
        // Predict only Percentage defined from the current balance
        uint256 predictedAmount = getRoundBetAmount(roundId);
        IBhavishPrediction.Round memory round = getPredictionRound(roundId);
        uint256 toBePredictedAmount = protector.getMaxPredictAmount(
            address(this).balance,
            vaultConfig.predictionPerc,
            vaultConfig.minPredictionPerc,
            round.downPredictAmount,
            round.upPredictAmount,
            predictedAmount,
            nextPredictionUp
        );
        // this will also take crae first time prediction using when predictedAmount ==0
        if (toBePredictedAmount > 0) {
            _performPrediction(roundId, nextPredictionUp, toBePredictedAmount);
        }
        // solve for case when perform predict called more than once in a round
        if (vaultConfig.previousRoundId != roundId) {
            performClaimAndRefund();
            vaultConfig.penultimateRoundId = vaultConfig.previousRoundId;
            vaultConfig.previousRoundId = roundId;
        }
    }

    function _transferToAdmin(uint256 _fee) internal {
        _safeTransfer(address(bhavishAdmin), _fee);
    }
}

// SPDX-License-Identifier: BSD-4-Clause

pragma solidity ^0.8.13;

import "./../Integrations/Swap/BhavishSwap.sol";

interface IBhavishSDK {
    event PredictionMarketProvider(uint256 indexed _month, address indexed _provider);

    struct PredictionStruct {
        bytes32 underlying;
        bytes32 strike;
        uint256 roundId;
        bool directionUp;
    }

    function predict(
        PredictionStruct memory _predStruct,
        address _userAddress,
        address _provider
    ) external payable;

    function predictWithGasless(PredictionStruct memory _predStruct, address _provider) external payable;

    function minimumGaslessBetAmount() external returns (uint256);

    function swapAndPredict(
        BhavishSwap.SwapStruct memory _swapStruct,
        PredictionStruct memory _predStruct,
        uint256 slippage,
        address _provider
    ) external;

    function swapAndPredictWithGasless(
        BhavishSwap.SwapStruct memory _swapStruct,
        PredictionStruct memory _predStruct,
        uint256 slippage,
        address _provider
    ) external;

    function claim(
        PredictionStruct memory _predStruct,
        uint256[] calldata roundIds,
        bytes32 toAsset,
        bool convert,
        uint256 slippage
    ) external;

    function refundUsers(PredictionStruct memory _predStruct, uint256 roundId) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(uint160(account), 20),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleGranted} event.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleRevoked} event.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     *
     * May emit a {RoleRevoked} event.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * May emit a {RoleGranted} event.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleGranted} event.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

// SPDX-License-Identifier: BSD-4-Clause

pragma solidity ^0.8.13;

/**
 * @title IBhavishAdministrator
 */

interface IBhavishAdministrator {
    /**
     * @dev Emitted when Treasury is claimed by the admin
     * @param admin Address of the admin
     * @param amount Amount claimed by the admin
     */
    event TreasuryClaim(address indexed admin, uint256 amount);

    /**
     * @dev Claim the treasury amount. Can be performed only by admin
     * @param _amount  Amount that admin wants to claim
     */
    function claimTreasury(uint256 _amount) external;
}

// SPDX-License-Identifier: BSD-4-Clause

pragma solidity ^0.8.13;

interface IBhavishPrediction {
    enum RoundState {
        CREATED,
        STARTED,
        ENDED,
        CANCELLED
    }

    struct Round {
        uint256 roundId;
        RoundState roundState;
        uint256 upPredictAmount;
        uint256 downPredictAmount;
        uint256 totalAmount;
        uint256 rewardBaseCalAmount;
        uint256 rewardAmount;
        uint256 startPrice;
        uint256 endPrice;
        uint256 roundStartTimestamp;
        uint256 roundEndTimestamp;
    }

    struct BetInfo {
        uint256 upPredictAmount;
        uint256 downPredictAmount;
        uint256 amountDispersed;
    }

    struct AssetPair {
        bytes32 underlying;
        bytes32 strike;
    }

    struct PredictionMarketStatus {
        bool startPredictionMarketOnce;
        bool createPredictionMarketOnce;
    }

    /**
     * @notice Create Round Zero round
     * @dev callable by Operator
     * @param _roundzeroStartTimestamp: round zero round start timestamp
     */
    function createPredictionMarket(uint256 _roundzeroStartTimestamp) external;

    /**
     * @notice Start Zero round
     * @dev callable by Operator
     */
    function startPredictionMarket() external;

    /**
     * @notice Execute round
     * @dev Callable by Operator
     */
    function executeRound() external;

    /**
     * @notice Bet Bull position
     * @param roundId: Round Id
     * @param userAddress: Address of the user
     */
    function predictUp(uint256 roundId, address userAddress) external payable;

    /**
     * @notice Bet Bear position
     * @param roundId: Round Id
     * @param userAddress: Address of the user
     */
    function predictDown(uint256 roundId, address userAddress) external payable;

    function getCurrentRoundDetails() external view returns (IBhavishPrediction.Round memory);

    function claim(
        uint256[] calldata roundIds,
        bytes32 toAsset,
        bool convert,
        uint256 slippage,
        address userAddress
    ) external;

    function refundUsers(uint256 _predictRoundId, address userAddress) external;

    function getAverageBetAmount(uint256[] calldata roundIds, address userAddress) external returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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
     * ====
     *
     * [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://diligence.consensys.net/posts/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/v0.5.11/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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason 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 {
            // 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 v4.7.0) (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a >= b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. It the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`.
        // We also know that `k`, the position of the most significant bit, is such that `msb(a) = 2**k`.
        // This gives `2**k < a <= 2**(k+1)` → `2**(k/2) <= sqrt(a) < 2 ** (k/2+1)`.
        // Using an algorithm similar to the msb conmputation, we are able to compute `result = 2**(k/2)` which is a
        // good first aproximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1;
        uint256 x = a;
        if (x >> 128 > 0) {
            x >>= 128;
            result <<= 64;
        }
        if (x >> 64 > 0) {
            x >>= 64;
            result <<= 32;
        }
        if (x >> 32 > 0) {
            x >>= 32;
            result <<= 16;
        }
        if (x >> 16 > 0) {
            x >>= 16;
            result <<= 8;
        }
        if (x >> 8 > 0) {
            x >>= 8;
            result <<= 4;
        }
        if (x >> 4 > 0) {
            x >>= 4;
            result <<= 2;
        }
        if (x >> 2 > 0) {
            result <<= 1;
        }

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        uint256 result = sqrt(a);
        if (rounding == Rounding.Up && result * result < a) {
            result += 1;
        }
        return result;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

        _;

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

// SPDX-License-Identifier: BSD-4-Clause

pragma solidity ^0.8.13;

interface IVaultProtector {
    function getMaxPredictAmount(
        uint256 vaultBalance,
        uint256 predictionPerc,
        uint256 minPredictionPerc,
        uint256 roundDownPredictAmount,
        uint256 roundUpPredictAmount,
        uint256 predictedAmount,
        bool nextPredictionUp
    ) external view returns (uint256 maxAmount);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// 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: BSD-4-Clause

import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "../../Interface/IBhavishSDK.sol";

pragma solidity ^0.8.13;

contract BhavishSwap is AccessControl {
    using SafeERC20 for IERC20;

    address public UNISWAP_FACTORY;
    address public UNISWAP_ROUTER;
    mapping(bytes32 => address[]) public pathMapper;
    uint256 public decimals = 3;

    struct SwapStruct {
        uint256 amountIn;
        uint256 deadline;
        bytes32 fromAsset;
        bytes32 toAsset;
    }

    modifier onlyAsset(bytes32 fromAsset, bytes32 toAsset) {
        address[] memory path = getPath(fromAsset, toAsset);
        require(path.length > 1, "Asset swap not supported");
        _;
    }

    modifier onlyAdmin(address _address) {
        require(hasRole(DEFAULT_ADMIN_ROLE, _address), "Address not an admin");
        _;
    }

    constructor(address uniswapFactory, address uniswapRouter) {
        UNISWAP_FACTORY = uniswapFactory;
        UNISWAP_ROUTER = uniswapRouter;
        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);
    }

    /**
     * @notice Add funds
     */
    receive() external payable {}

    function setPath(
        bytes32 fromAsset,
        bytes32 toAsset,
        address[] memory path
    ) external onlyAdmin(msg.sender) {
        require(path.length > 1, "Path cannot be empty or 1");
        pathMapper[keccak256((abi.encode(fromAsset, toAsset)))] = path;
    }

    function getPath(bytes32 fromAsset, bytes32 toAsset) public view returns (address[] memory) {
        return pathMapper[keccak256(abi.encode(fromAsset, toAsset))];
    }

    // Get the amounts out for the specified path
    function getAmountsOut(
        uint256 amountIn,
        bytes32 fromAsset,
        bytes32 toAsset
    ) public view onlyAsset(fromAsset, toAsset) returns (uint256[] memory amounts) {
        address[] memory path = getPath(fromAsset, toAsset);
        amounts = new uint256[](path.length);
        amounts = IUniswapV2Router02(UNISWAP_ROUTER).getAmountsOut(amountIn, path);
    }

    function swapExactTokensForETH(
        SwapStruct memory _swapStruct,
        address to,
        uint256 slippage
    ) external onlyAsset(_swapStruct.fromAsset, _swapStruct.toAsset) returns (uint256[] memory amounts) {
        address[] memory path = getPath(_swapStruct.fromAsset, _swapStruct.toAsset);
        uint256[] memory amountsOut = getAmountsOut(_swapStruct.amountIn, _swapStruct.fromAsset, _swapStruct.toAsset);
        uint256 amountOut = amountsOut[amountsOut.length - 1] -
            ((amountsOut[amountsOut.length - 1] * slippage) / 10**decimals);
        IERC20(path[0]).safeApprove(UNISWAP_ROUTER, _swapStruct.amountIn);
        amounts = IUniswapV2Router02(UNISWAP_ROUTER).swapExactTokensForETH(
            _swapStruct.amountIn,
            amountOut,
            path,
            to,
            _swapStruct.deadline
        );
    }

    function swapExactETHForTokens(
        SwapStruct memory _swapStruct,
        address to,
        uint256 slippage
    ) external payable onlyAsset(_swapStruct.fromAsset, _swapStruct.toAsset) returns (uint256[] memory amounts) {
        address[] memory path = getPath(_swapStruct.fromAsset, _swapStruct.toAsset);
        uint256[] memory amountsOut = getAmountsOut(msg.value, _swapStruct.fromAsset, _swapStruct.toAsset);
        uint256 amountOut = amountsOut[amountsOut.length - 1] -
            ((amountsOut[amountsOut.length - 1] * slippage) / 10**decimals);
        amounts = IUniswapV2Router02(UNISWAP_ROUTER).swapExactETHForTokens{ value: msg.value }(
            amountOut,
            path,
            to,
            _swapStruct.deadline
        );
    }
}

pragma solidity >=0.6.2;

import './IUniswapV2Router01.sol';

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

pragma solidity >=0.5.0;

interface IUniswapV2Factory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint);

    function feeTo() external view returns (address);
    function feeToSetter() external view returns (address);

    function getPair(address tokenA, address tokenB) external view returns (address pair);
    function allPairs(uint) external view returns (address pair);
    function allPairsLength() external view returns (uint);

    function createPair(address tokenA, address tokenB) external returns (address pair);

    function setFeeTo(address) external;
    function setFeeToSetter(address) external;
}

pragma solidity >=0.5.0;

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external pure returns (string memory);
    function symbol() external pure returns (string memory);
    function decimals() external pure returns (uint8);
    function totalSupply() external view returns (uint);
    function balanceOf(address owner) external view returns (uint);
    function allowance(address owner, address spender) external view returns (uint);

    function approve(address spender, uint value) external returns (bool);
    function transfer(address to, uint value) external returns (bool);
    function transferFrom(address from, address to, uint value) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);
    function PERMIT_TYPEHASH() external pure returns (bytes32);
    function nonces(address owner) external view returns (uint);

    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;

    event Mint(address indexed sender, uint amount0, uint amount1);
    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
    event Swap(
        address indexed sender,
        uint amount0In,
        uint amount1In,
        uint amount0Out,
        uint amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint);
    function factory() external view returns (address);
    function token0() external view returns (address);
    function token1() external view returns (address);
    function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
    function price0CumulativeLast() external view returns (uint);
    function price1CumulativeLast() external view returns (uint);
    function kLast() external view returns (uint);

    function mint(address to) external returns (uint liquidity);
    function burn(address to) external returns (uint amount0, uint amount1);
    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
    function skim(address to) external;
    function sync() external;

    function initialize(address, address) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-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;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    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));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    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");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    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");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

pragma solidity >=0.6.2;

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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 v4.4.1 (token/ERC20/extensions/draft-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.
 */
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].
     */
    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);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

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IVaultProtector","name":"_protector","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"assetAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"shares","type":"uint256"}],"name":"DepositProcessed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"}],"name":"FeeCollected","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"contract 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IBhavishAdministrator","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bhavishSDK","outputs":[{"internalType":"contract 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IBhavishPrediction.BetInfo","name":"betInfo","type":"tuple"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getMaxCapacity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_roundId","type":"uint256"}],"name":"getPredictionRound","outputs":[{"components":[{"internalType":"uint256","name":"roundId","type":"uint256"},{"internalType":"enum IBhavishPrediction.RoundState","name":"roundState","type":"uint8"},{"internalType":"uint256","name":"upPredictAmount","type":"uint256"},{"internalType":"uint256","name":"downPredictAmount","type":"uint256"},{"internalType":"uint256","name":"totalAmount","type":"uint256"},{"internalType":"uint256","name":"rewardBaseCalAmount","type":"uint256"},{"internalType":"uint256","name":"rewardAmount","type":"uint256"},{"internalType":"uint256","name":"startPrice","type":"uint256"},{"internalType":"uint256","name":"endPrice","type":"uint256"},{"internalType":"uint256","name":"roundStartTimestamp","type":"uint256"},{"internalType":"uint256","name":"roundEndTimestamp","type":"uint256"}],"internalType":"struct IBhavishPrediction.Round","name":"roundDetails","type":"tuple"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_roundId","type":"uint256"}],"name":"getPredictionRoundStatus","outputs":[{"internalType":"enum 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IBhavishAdministrator","name":"_admin","type":"address"}],"name":"setBhavishAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_period","type":"uint256"}],"name":"setLockPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"cap","type":"uint256"}],"name":"setMaxCapacity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_perc","type":"uint256"}],"name":"setMinPredictionPerc","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_operator","type":"address"}],"name":"setOperator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_fee","type":"uint256"}],"name":"setPerformanceFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_perc","type":"uint256"}],"name":"setPredictionPerc","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IVaultProtector","name":"_protector","type":"address"}],"name":"setVaultProtector","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_fee","type":"uint256"}],"name":"setWithdrawFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalAssets","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vaultConfig","outputs":[{"internalType":"uint256","name":"predictionPerc","type":"uint256"},{"internalType":"uint256","name":"minPredictionPerc","type":"uint256"},{"internalType":"uint256","name":"withdrawFeeRatio","type":"uint256"},{"internalType":"uint256","name":"performanceFeeRatio","type":"uint256"},{"internalType":"uint256","name":"previousRoundId","type":"uint256"},{"internalType":"uint256","name":"penultimateRoundId","type":"uint256"},{"internalType":"uint256","name":"lockPeriod","type":"uint256"},{"internalType":"string","name":"supportedCurrency","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vaultDeposit","outputs":[{"internalType":"uint256","name":"totalDeposit","type":"uint256"},{"internalType":"uint256","name":"maxCapacity","type":"uint256"},{"internalType":"uint256","name":"shares","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_shares","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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