Contract 0xdffe2f49234001380119d89e9c965bed4bf123f0

 
Txn Hash Method
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0xe12225b1a188f278206e829d4b1356815b2e4671cb5b1f2c13b0f05b52f32b15Set Gov202137112022-08-14 8:28:5753 days 11 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000040984588 ETH
0x4f8bb487f72044f77795181fe4c3570a2867c1c837c5b8ef53a73f1da38377feSet Token Config202132152022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000058036843 ETH
0x691e5d7a2547fa503babc9420e2557177c3f639136e09d94568fa4fb87274a76Set Token Config202132102022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000057915481 ETH
0xadcbfaa7a81bcd2c7f31a665615f845694ec7d37a18704c5569a61058981455dSet Token Config202132022022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.00005803902 ETH
0xd59c4270422f426a84d49053c0def15c9b49d7cf3e8c7139d9f03e102d928a48Set Token Config202132002022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.00006232541 ETH
0x9c6a1188c603625e889d5458492d2fa81ca2590e74642cf32c3af1440fc7cb56Set Token Config202131952022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000062452577 ETH
0x3c213cbc736c9ffa19ecdb9b049548f2481f93ae7de043d81021debd37bf552bSet Token Config202131882022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000062449856 ETH
0xe71532886a572887f37544d558356f453ec7a16b40108bf0531993c20276fc42Set Token Config202131832022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000062576569 ETH
0x4c8710a874ab6a7a5193d07c3137e216661d31aa46d7f1ed846e6f61b500542cSet Token Config202131782022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000057913848 ETH
0xe3dfb3ee0e6d122aa55420001cb0bce2e52a72af5a6b586599363d8929ac987dSet Token Config202131772022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000057912306 ETH
0x69eed90d3f56c3c7187f5de6598190d180cb2ced33048ae8a6b12a873219a421Set Token Config202131712022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000062575843 ETH
0x461fb879c469c53ef06b8e4097ba89990c36746140565fa3fd9d614dc37b45b1Set Token Config202131692022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000058036752 ETH
0x3d85a214c7c67540d671122e2ab98af52e7dc157bed32347f78b795f73d5b255Set Token Config202131662022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000057912397 ETH
0x44ae80bc0361100d20581f64d6d4e312abd7d1430c8098ea343e8c17f17174a9Set Chainlink Fl...202131602022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000039807369 ETH
0x04f9a7d23d813e5f6784963fe92ed7fa82d8befb0c1507ee01798c47d3b5c22cSet Is Amm Enabl...202131582022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000039682198 ETH
0x0ddf2aa661411cf5d1a33d18ffe07bcd207c0fabe86e3f2dd4960436866439c7Set Secondary Pr...202131512022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000046848798 ETH
0x607e04f0f3fc3606dfc0dac415db291086c2d982c2cf362ed479ed6eade6671dSet Price Sample...202131452022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000039805827 ETH
0xd8fa067a22519a1e82cb407d00f5dcc0f537d27994ce966870eb97b29553688cSet Max Strict P...202131362022-08-14 8:19:5153 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.0000453452 ETH
0x4925c14500fd610b2f882e1a3b768fcce2b35d558f685a82a5d1b37e119be7d9Set Spread Basis...202112612022-08-14 7:54:3753 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000045810677 ETH
0x136e82e35127a935cc475d6f53cc46dd310228d3670b799f7ab28b240a39644fSet Spread Basis...202112542022-08-14 7:54:3753 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000045811246 ETH
0x9e0060fa7eaaee378f7e8f63a46bef7232310f59e9754a7f13ebbfaa3974ef6bSet Spread Basis...202112522022-08-14 7:54:3753 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.00004567911 ETH
0xe6a253efa49a66faa2045e18b080e1d0f38336b781bb343c8ce1a0fbe6715d6eSet Spread Basis...202112492022-08-14 7:54:3753 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000045548681 ETH
0x512378ae9efc8d9611d515bf12d6be6efb2f4393bd1aa78a4a85dab47743d60eSet Spread Basis...202112452022-08-14 7:54:3753 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000045679679 ETH
0xf6c66bbb0d1163b8a6941cb3743601b0c742514f4baac41169d550fbe502a073Set Spread Basis...202112412022-08-14 7:54:3753 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000045679679 ETH
0x2f0f55c139984d5491faf47b23a0d903dbbbbf0fe9a7cbbacd6b5a5189311fdcSet Spread Basis...202100302022-08-14 7:39:4053 days 12 hrs agoMycelium: Deployer IN  0xdffe2f49234001380119d89e9c965bed4bf123f00 ETH0.000050386201 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
VaultPriceFeed

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 1 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 7 : VaultPriceFeed.sol
// SPDX-License-Identifier: MIT

import "../libraries/math/SafeMath.sol";

import "./interfaces/IVaultPriceFeed.sol";
import "../oracle/interfaces/IPriceFeed.sol";
import "../oracle/interfaces/ISecondaryPriceFeed.sol";
import "../oracle/interfaces/IChainlinkFlags.sol";
import "../amm/interfaces/IPancakePair.sol";

pragma solidity 0.6.12;

contract VaultPriceFeed is IVaultPriceFeed {
    using SafeMath for uint256;

    uint256 public constant PRICE_PRECISION = 10**30;
    uint256 public constant ONE_USD = PRICE_PRECISION;
    uint256 public constant BASIS_POINTS_DIVISOR = 10000;
    uint256 public constant MAX_SPREAD_BASIS_POINTS = 50;
    uint256 public constant MAX_ADJUSTMENT_INTERVAL = 2 hours;
    uint256 public constant MAX_ADJUSTMENT_BASIS_POINTS = 20;

    // Identifier of the Sequencer offline flag on the Flags contract
    address private constant FLAG_ARBITRUM_SEQ_OFFLINE =
        address(bytes20(bytes32(uint256(keccak256("chainlink.flags.arbitrum-seq-offline")) - 1)));

    address public gov;
    address public chainlinkFlags;

    bool public isAmmEnabled = true;
    bool public isSecondaryPriceEnabled = true;
    bool public useV2Pricing = false;
    bool public favorPrimaryPrice = false;
    uint256 public priceSampleSpace = 3;
    uint256 public maxStrictPriceDeviation = 0;
    address public secondaryPriceFeed;
    uint256 public spreadThresholdBasisPoints = 30;

    address public btc;
    address public eth;
    address public bnb;
    address public bnbBusd;
    address public ethBnb;
    address public btcBnb;

    mapping(address => address) public priceFeeds;
    mapping(address => uint256) public priceDecimals;
    mapping(address => uint256) public spreadBasisPoints;
    // Chainlink can return prices for stablecoins
    // that differs from 1 USD by a larger percentage than stableSwapFeeBasisPoints
    // we use strictStableTokens to cap the price to 1 USD
    // this allows us to configure stablecoins like DAI as being a stableToken
    // while not being a strictStableToken
    mapping(address => bool) public strictStableTokens;

    mapping(address => uint256) public override adjustmentBasisPoints;
    mapping(address => bool) public override isAdjustmentAdditive;
    mapping(address => uint256) public lastAdjustmentTimings;

    modifier onlyGov() {
        require(msg.sender == gov, "VaultPriceFeed: forbidden");
        _;
    }

    constructor() public {
        gov = msg.sender;
    }

    function setGov(address _gov) external onlyGov {
        gov = _gov;
    }

    function setChainlinkFlags(address _chainlinkFlags) external onlyGov {
        chainlinkFlags = _chainlinkFlags;
    }

    function setAdjustment(
        address _token,
        bool _isAdditive,
        uint256 _adjustmentBps
    ) external override onlyGov {
        require(
            lastAdjustmentTimings[_token].add(MAX_ADJUSTMENT_INTERVAL) < block.timestamp,
            "VaultPriceFeed: adjustment frequency exceeded"
        );
        require(_adjustmentBps <= MAX_ADJUSTMENT_BASIS_POINTS, "invalid _adjustmentBps");
        isAdjustmentAdditive[_token] = _isAdditive;
        adjustmentBasisPoints[_token] = _adjustmentBps;
        lastAdjustmentTimings[_token] = block.timestamp;
    }

    function setUseV2Pricing(bool _useV2Pricing) external override onlyGov {
        useV2Pricing = _useV2Pricing;
    }

    function setIsAmmEnabled(bool _isEnabled) external override onlyGov {
        isAmmEnabled = _isEnabled;
    }

    function setIsSecondaryPriceEnabled(bool _isEnabled) external override onlyGov {
        isSecondaryPriceEnabled = _isEnabled;
    }

    function setSecondaryPriceFeed(address _secondaryPriceFeed) external onlyGov {
        secondaryPriceFeed = _secondaryPriceFeed;
    }

    function setTokens(
        address _btc,
        address _eth,
        address _bnb
    ) external onlyGov {
        btc = _btc;
        eth = _eth;
        bnb = _bnb;
    }

    function setPairs(
        address _bnbBusd,
        address _ethBnb,
        address _btcBnb
    ) external onlyGov {
        bnbBusd = _bnbBusd;
        ethBnb = _ethBnb;
        btcBnb = _btcBnb;
    }

    function setSpreadBasisPoints(address _token, uint256 _spreadBasisPoints) external override onlyGov {
        require(_spreadBasisPoints <= MAX_SPREAD_BASIS_POINTS, "VaultPriceFeed: invalid _spreadBasisPoints");
        spreadBasisPoints[_token] = _spreadBasisPoints;
    }

    function setSpreadThresholdBasisPoints(uint256 _spreadThresholdBasisPoints) external override onlyGov {
        spreadThresholdBasisPoints = _spreadThresholdBasisPoints;
    }

    function setFavorPrimaryPrice(bool _favorPrimaryPrice) external override onlyGov {
        favorPrimaryPrice = _favorPrimaryPrice;
    }

    function setPriceSampleSpace(uint256 _priceSampleSpace) external override onlyGov {
        require(_priceSampleSpace > 0, "VaultPriceFeed: invalid _priceSampleSpace");
        priceSampleSpace = _priceSampleSpace;
    }

    function setMaxStrictPriceDeviation(uint256 _maxStrictPriceDeviation) external override onlyGov {
        maxStrictPriceDeviation = _maxStrictPriceDeviation;
    }

    function setTokenConfig(
        address _token,
        address _priceFeed,
        uint256 _priceDecimals,
        bool _isStrictStable
    ) external override onlyGov {
        priceFeeds[_token] = _priceFeed;
        priceDecimals[_token] = _priceDecimals;
        strictStableTokens[_token] = _isStrictStable;
    }

    function getPrice(
        address _token,
        bool _maximise,
        bool _includeAmmPrice,
        bool /* _useSwapPricing */
    ) public view override returns (uint256) {
        uint256 price = useV2Pricing
            ? getPriceV2(_token, _maximise, _includeAmmPrice)
            : getPriceV1(_token, _maximise, _includeAmmPrice);

        uint256 adjustmentBps = adjustmentBasisPoints[_token];
        if (adjustmentBps > 0) {
            bool isAdditive = isAdjustmentAdditive[_token];
            if (isAdditive) {
                price = price.mul(BASIS_POINTS_DIVISOR.add(adjustmentBps)).div(BASIS_POINTS_DIVISOR);
            } else {
                price = price.mul(BASIS_POINTS_DIVISOR.sub(adjustmentBps)).div(BASIS_POINTS_DIVISOR);
            }
        }

        return price;
    }

    function getPriceV1(
        address _token,
        bool _maximise,
        bool _includeAmmPrice
    ) public view returns (uint256) {
        uint256 price = getPrimaryPrice(_token, _maximise);

        if (_includeAmmPrice && isAmmEnabled) {
            uint256 ammPrice = getAmmPrice(_token);
            if (ammPrice > 0) {
                if (_maximise && ammPrice > price) {
                    price = ammPrice;
                }
                if (!_maximise && ammPrice < price) {
                    price = ammPrice;
                }
            }
        }

        if (isSecondaryPriceEnabled) {
            price = getSecondaryPrice(_token, price, _maximise);
        }

        if (strictStableTokens[_token]) {
            uint256 delta = price > ONE_USD ? price.sub(ONE_USD) : ONE_USD.sub(price);
            if (delta <= maxStrictPriceDeviation) {
                return ONE_USD;
            }

            // if _maximise and price is e.g. 1.02, return 1.02
            if (_maximise && price > ONE_USD) {
                return price;
            }

            // if !_maximise and price is e.g. 0.98, return 0.98
            if (!_maximise && price < ONE_USD) {
                return price;
            }

            return ONE_USD;
        }

        uint256 _spreadBasisPoints = spreadBasisPoints[_token];

        if (_maximise) {
            return price.mul(BASIS_POINTS_DIVISOR.add(_spreadBasisPoints)).div(BASIS_POINTS_DIVISOR);
        }

        return price.mul(BASIS_POINTS_DIVISOR.sub(_spreadBasisPoints)).div(BASIS_POINTS_DIVISOR);
    }

    function getPriceV2(
        address _token,
        bool _maximise,
        bool _includeAmmPrice
    ) public view returns (uint256) {
        uint256 price = getPrimaryPrice(_token, _maximise);

        if (_includeAmmPrice && isAmmEnabled) {
            price = getAmmPriceV2(_token, _maximise, price);
        }

        if (isSecondaryPriceEnabled) {
            price = getSecondaryPrice(_token, price, _maximise);
        }

        if (strictStableTokens[_token]) {
            uint256 delta = price > ONE_USD ? price.sub(ONE_USD) : ONE_USD.sub(price);
            if (delta <= maxStrictPriceDeviation) {
                return ONE_USD;
            }

            // if _maximise and price is e.g. 1.02, return 1.02
            if (_maximise && price > ONE_USD) {
                return price;
            }

            // if !_maximise and price is e.g. 0.98, return 0.98
            if (!_maximise && price < ONE_USD) {
                return price;
            }

            return ONE_USD;
        }

        uint256 _spreadBasisPoints = spreadBasisPoints[_token];

        if (_maximise) {
            return price.mul(BASIS_POINTS_DIVISOR.add(_spreadBasisPoints)).div(BASIS_POINTS_DIVISOR);
        }

        return price.mul(BASIS_POINTS_DIVISOR.sub(_spreadBasisPoints)).div(BASIS_POINTS_DIVISOR);
    }

    function getAmmPriceV2(
        address _token,
        bool _maximise,
        uint256 _primaryPrice
    ) public view returns (uint256) {
        uint256 ammPrice = getAmmPrice(_token);
        if (ammPrice == 0) {
            return _primaryPrice;
        }

        uint256 diff = ammPrice > _primaryPrice ? ammPrice.sub(_primaryPrice) : _primaryPrice.sub(ammPrice);
        if (diff.mul(BASIS_POINTS_DIVISOR) < _primaryPrice.mul(spreadThresholdBasisPoints)) {
            if (favorPrimaryPrice) {
                return _primaryPrice;
            }
            return ammPrice;
        }

        if (_maximise && ammPrice > _primaryPrice) {
            return ammPrice;
        }

        if (!_maximise && ammPrice < _primaryPrice) {
            return ammPrice;
        }

        return _primaryPrice;
    }

    function getPrimaryPrice(address _token, bool _maximise) public view override returns (uint256) {
        address priceFeedAddress = priceFeeds[_token];
        require(priceFeedAddress != address(0), "VaultPriceFeed: invalid price feed");

        if (chainlinkFlags != address(0)) {
            bool isRaised = IChainlinkFlags(chainlinkFlags).getFlag(FLAG_ARBITRUM_SEQ_OFFLINE);
            if (isRaised) {
                // If flag is raised we shouldn't perform any critical operations
                revert("Chainlink feeds are not being updated");
            }
        }

        IPriceFeed priceFeed = IPriceFeed(priceFeedAddress);

        uint256 price = 0;
        uint80 roundId = priceFeed.latestRound();

        for (uint80 i = 0; i < priceSampleSpace; i++) {
            if (roundId <= i) {
                break;
            }
            uint256 p;

            if (i == 0) {
                int256 _p = priceFeed.latestAnswer();
                require(_p > 0, "VaultPriceFeed: invalid price");
                p = uint256(_p);
            } else {
                (, int256 _p, , , ) = priceFeed.getRoundData(roundId - i);
                require(_p > 0, "VaultPriceFeed: invalid price");
                p = uint256(_p);
            }

            if (price == 0) {
                price = p;
                continue;
            }

            if (_maximise && p > price) {
                price = p;
                continue;
            }

            if (!_maximise && p < price) {
                price = p;
            }
        }

        require(price > 0, "VaultPriceFeed: could not fetch price");
        // normalise price precision
        uint256 _priceDecimals = priceDecimals[_token];
        return price.mul(PRICE_PRECISION).div(10**_priceDecimals);
    }

    function getSecondaryPrice(
        address _token,
        uint256 _referencePrice,
        bool _maximise
    ) public view returns (uint256) {
        if (secondaryPriceFeed == address(0)) {
            return _referencePrice;
        }
        return ISecondaryPriceFeed(secondaryPriceFeed).getPrice(_token, _referencePrice, _maximise);
    }

    function getAmmPrice(address _token) public view override returns (uint256) {
        if (_token == bnb) {
            // for bnbBusd, reserve0: BNB, reserve1: BUSD
            return getPairPrice(bnbBusd, true);
        }

        if (_token == eth) {
            uint256 price0 = getPairPrice(bnbBusd, true);
            // for ethBnb, reserve0: ETH, reserve1: BNB
            uint256 price1 = getPairPrice(ethBnb, true);
            // this calculation could overflow if (price0 / 10**30) * (price1 / 10**30) is more than 10**17
            return price0.mul(price1).div(PRICE_PRECISION);
        }

        if (_token == btc) {
            uint256 price0 = getPairPrice(bnbBusd, true);
            // for btcBnb, reserve0: BTC, reserve1: BNB
            uint256 price1 = getPairPrice(btcBnb, true);
            // this calculation could overflow if (price0 / 10**30) * (price1 / 10**30) is more than 10**17
            return price0.mul(price1).div(PRICE_PRECISION);
        }

        return 0;
    }

    // if divByReserve0: calculate price as reserve1 / reserve0
    // if !divByReserve1: calculate price as reserve0 / reserve1
    function getPairPrice(address _pair, bool _divByReserve0) public view returns (uint256) {
        (uint256 reserve0, uint256 reserve1, ) = IPancakePair(_pair).getReserves();
        if (_divByReserve0) {
            if (reserve0 == 0) {
                return 0;
            }
            return reserve1.mul(PRICE_PRECISION).div(reserve0);
        }
        if (reserve1 == 0) {
            return 0;
        }
        return reserve0.mul(PRICE_PRECISION).div(reserve1);
    }
}

File 2 of 7 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @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) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @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 sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @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) {
        // 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 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts 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 mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message 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,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

File 3 of 7 : IVaultPriceFeed.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

interface IVaultPriceFeed {
    function adjustmentBasisPoints(address _token) external view returns (uint256);

    function isAdjustmentAdditive(address _token) external view returns (bool);

    function setAdjustment(
        address _token,
        bool _isAdditive,
        uint256 _adjustmentBps
    ) external;

    function setUseV2Pricing(bool _useV2Pricing) external;

    function setIsAmmEnabled(bool _isEnabled) external;

    function setIsSecondaryPriceEnabled(bool _isEnabled) external;

    function setSpreadBasisPoints(address _token, uint256 _spreadBasisPoints) external;

    function setSpreadThresholdBasisPoints(uint256 _spreadThresholdBasisPoints) external;

    function setFavorPrimaryPrice(bool _favorPrimaryPrice) external;

    function setPriceSampleSpace(uint256 _priceSampleSpace) external;

    function setMaxStrictPriceDeviation(uint256 _maxStrictPriceDeviation) external;

    function getPrice(
        address _token,
        bool _maximise,
        bool _includeAmmPrice,
        bool _useSwapPricing
    ) external view returns (uint256);

    function getAmmPrice(address _token) external view returns (uint256);

    function getPrimaryPrice(address _token, bool _maximise) external view returns (uint256);

    function setTokenConfig(
        address _token,
        address _priceFeed,
        uint256 _priceDecimals,
        bool _isStrictStable
    ) external;
}

File 4 of 7 : IPriceFeed.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

interface IPriceFeed {
    function description() external view returns (string memory);

    function aggregator() external view returns (address);

    function latestAnswer() external view returns (int256);

    function latestRound() external view returns (uint80);

    function getRoundData(uint80 roundId)
        external
        view
        returns (
            uint80,
            int256,
            uint256,
            uint256,
            uint80
        );
}

File 5 of 7 : ISecondaryPriceFeed.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

interface ISecondaryPriceFeed {
    function getPrice(
        address _token,
        uint256 _referencePrice,
        bool _maximise
    ) external view returns (uint256);
}

File 6 of 7 : IChainlinkFlags.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

interface IChainlinkFlags {
    function getFlag(address) external view returns (bool);
}

File 7 of 7 : IPancakePair.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

interface IPancakePair {
    function getReserves()
        external
        view
        returns (
            uint112 reserve0,
            uint112 reserve1,
            uint32 blockTimestampLast
        );
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 1
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract ABI

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ool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isAmmEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isSecondaryPriceEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"lastAdjustmentTimings","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxStrictPriceDeviation","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"priceDecimals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"priceFeeds","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"priceSampleSpace","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"secondaryPriceFeed","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"bool","name":"_isAdditive","type":"bool"},{"internalType":"uint256","name":"_adjustmentBps","type":"uint256"}],"name":"setAdjustment","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_chainlinkFlags","type":"address"}],"name":"setChainlinkFlags","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_favorPrimaryPrice","type":"bool"}],"name":"setFavorPrimaryPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_gov","type":"address"}],"name":"setGov","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_isEnabled","type":"bool"}],"name":"setIsAmmEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_isEnabled","type":"bool"}],"name":"setIsSecondaryPriceEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxStrictPriceDeviation","type":"uint256"}],"name":"setMaxStrictPriceDeviation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_bnbBusd","type":"address"},{"internalType":"address","name":"_ethBnb","type":"address"},{"internalType":"address","name":"_btcBnb","type":"address"}],"name":"setPairs","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_priceSampleSpace","type":"uint256"}],"name":"setPriceSampleSpace","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_secondaryPriceFeed","type":"address"}],"name":"setSecondaryPriceFeed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_spreadBasisPoints","type":"uint256"}],"name":"setSpreadBasisPoints","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_spreadThresholdBasisPoints","type":"uint256"}],"name":"setSpreadThresholdBasisPoints","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_priceFeed","type":"address"},{"internalType":"uint256","name":"_priceDecimals","type":"uint256"},{"internalType":"bool","name":"_isStrictStable","type":"bool"}],"name":"setTokenConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_btc","type":"address"},{"internalType":"address","name":"_eth","type":"address"},{"internalType":"address","name":"_bnb","type":"address"}],"name":"setTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_useV2Pricing","type":"bool"}],"name":"setUseV2Pricing","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"spreadBasisPoints","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"spreadThresholdBasisPoints","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"strictStableTokens","outputs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