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0xb96D01A553BDe8814eA279D905fD6eEC16B449Af

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Set Prices With ...226107492023-11-25 4:23:19148 days ago1700886199IN
0xb96D01A5...C16B449Af
0 FTM0.000194981.028395
Set Prices With ...225963492023-11-24 14:23:01149 days ago1700835781IN
0xb96D01A5...C16B449Af
0 FTM0.000194871.027881
Set Prices With ...225860892023-11-24 6:22:45149 days ago1700806965IN
0xb96D01A5...C16B449Af
0 FTM0.00019981.028017
Set Prices With ...225797472023-11-24 0:22:42149 days ago1700785362IN
0xb96D01A5...C16B449Af
0 FTM0.000199761.027843
Set Prices With ...225757222023-11-23 20:22:33149 days ago1700770953IN
0xb96D01A5...C16B449Af
0 FTM0.00019721.0272
Set Prices With ...225735972023-11-23 18:22:31149 days ago1700763751IN
0xb96D01A5...C16B449Af
0 FTM0.000197341.027947
Set Prices With ...225640952023-11-23 11:22:20150 days ago1700738540IN
0xb96D01A5...C16B449Af
0 FTM0.000199791.027987
Set Prices With ...225624162023-11-23 10:22:14150 days ago1700734934IN
0xb96D01A5...C16B449Af
0 FTM0.000197341.027926
Set Prices With ...225572652023-11-23 7:00:00150 days ago1700722800IN
0xb96D01A5...C16B449Af
0 FTM0.00019721.027283
Set Prices With ...225542712023-11-23 4:59:57150 days ago1700715597IN
0xb96D01A5...C16B449Af
0 FTM0.000197351.027939
Set Prices With ...225512562023-11-23 2:59:50150 days ago1700708390IN
0xb96D01A5...C16B449Af
0 FTM0.000197331.02789
Set Prices With ...225484832023-11-23 0:59:43150 days ago1700701183IN
0xb96D01A5...C16B449Af
0 FTM0.000199761.027835
Set Prices With ...225460092023-11-22 22:59:48150 days ago1700693988IN
0xb96D01A5...C16B449Af
0 FTM0.000197351.028003
Set Prices With ...225180262023-11-22 4:59:28151 days ago1700629168IN
0xb96D01A5...C16B449Af
0 FTM0.000202181.027699
Set Prices With ...225119572023-11-21 23:59:21151 days ago1700611161IN
0xb96D01A5...C16B449Af
0 FTM0.000202231.027947
Set Prices With ...225061132023-11-21 18:59:13151 days ago1700593153IN
0xb96D01A5...C16B449Af
0 FTM0.000197231.02737
Set Prices With ...224988392023-11-21 13:29:53152 days ago1700573393IN
0xb96D01A5...C16B449Af
0 FTM0.000197341.027931
Set Prices With ...224963842023-11-21 11:29:49152 days ago1700566189IN
0xb96D01A5...C16B449Af
0 FTM0.000197281.027706
Set Prices With ...224925842023-11-21 8:29:44152 days ago1700555384IN
0xb96D01A5...C16B449Af
0 FTM0.000197371.028105
Set Prices With ...224860692023-11-21 3:29:40152 days ago1700537380IN
0xb96D01A5...C16B449Af
0 FTM0.000199791.027918
Set Prices With ...224827862023-11-21 0:29:35152 days ago1700526575IN
0xb96D01A5...C16B449Af
0 FTM0.000197331.027901
Set Prices With ...224816302023-11-20 23:29:30152 days ago1700522970IN
0xb96D01A5...C16B449Af
0 FTM0.000197281.027613
Set Prices With ...224716722023-11-20 15:29:21153 days ago1700494161IN
0xb96D01A5...C16B449Af
0 FTM0.000197331.027842
Set Prices With ...224660652023-11-20 11:29:12153 days ago1700479752IN
0xb96D01A5...C16B449Af
0 FTM0.000194831.027649
Set Prices With ...224541522023-11-20 1:29:04153 days ago1700443744IN
0xb96D01A5...C16B449Af
0 FTM0.000199831.028176
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Parent Txn Hash Block From To Value
139120202023-02-14 23:59:07431 days ago1676419147  Contract Creation0 FTM
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x40a5e6e8...2A4F8E23A
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
FastPriceFeed

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 8 : FastPriceFeed.sol
// SPDX-License-Identifier: MIT

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

import "./interfaces/ISecondaryPriceFeed.sol";
import "./interfaces/IFastPriceFeed.sol";
import "./interfaces/IFastPriceEvents.sol";
import "../core/interfaces/IVaultPriceFeed.sol";
import "../core/interfaces/IPositionRouter.sol";
import "../access/Governable.sol";

pragma solidity 0.6.12;

contract FastPriceFeed is ISecondaryPriceFeed, IFastPriceFeed, Governable {
    using SafeMath for uint256;

    // fit data in a uint256 slot to save gas costs
    struct PriceDataItem {
        uint160 refPrice; // Chainlink price
        uint32 refTime; // last updated at time
        uint32 cumulativeRefDelta; // cumulative Chainlink price delta
        uint32 cumulativeFastDelta; // cumulative fast price delta
    }

    uint256 public constant PRICE_PRECISION = 10 ** 30;

    uint256 public constant CUMULATIVE_DELTA_PRECISION = 10 * 1000 * 1000;

    uint256 public constant MAX_REF_PRICE = type(uint160).max;
    uint256 public constant MAX_CUMULATIVE_REF_DELTA = type(uint32).max;
    uint256 public constant MAX_CUMULATIVE_FAST_DELTA = type(uint32).max;

    // uint256(~0) is 256 bits of 1s
    // shift the 1s by (256 - 32) to get (256 - 32) 0s followed by 32 1s
    uint256 constant public BITMASK_32 = uint256(~0) >> (256 - 32);

    uint256 public constant BASIS_POINTS_DIVISOR = 10000;

    uint256 public constant MAX_PRICE_DURATION = 30 minutes;

    bool public isInitialized;
    bool public isSpreadEnabled = false;

    address public vaultPriceFeed;
    address public fastPriceEvents;

    address public tokenManager;

    address public positionRouter;

    uint256 public override lastUpdatedAt;
    uint256 public override lastUpdatedBlock;

    uint256 public priceDuration;
    uint256 public maxPriceUpdateDelay;
    uint256 public spreadBasisPointsIfInactive;
    uint256 public spreadBasisPointsIfChainError;
    uint256 public minBlockInterval;
    uint256 public maxTimeDeviation;

    uint256 public priceDataInterval;

    // allowed deviation from primary price
    uint256 public maxDeviationBasisPoints;

    uint256 public minAuthorizations;
    uint256 public disableFastPriceVoteCount = 0;

    mapping (address => bool) public isUpdater;

    mapping (address => uint256) public prices;
    mapping (address => PriceDataItem) public priceData;
    mapping (address => uint256) public maxCumulativeDeltaDiffs;

    mapping (address => bool) public isSigner;
    mapping (address => bool) public disableFastPriceVotes;

    // array of tokens used in setCompactedPrices, saves L1 calldata gas costs
    address[] public tokens;
    // array of tokenPrecisions used in setCompactedPrices, saves L1 calldata gas costs
    // if the token price will be sent with 3 decimals, then tokenPrecision for that token
    // should be 10 ** 3
    uint256[] public tokenPrecisions;

    event DisableFastPrice(address signer);
    event EnableFastPrice(address signer);
    event PriceData(address token, uint256 refPrice, uint256 fastPrice, uint256 cumulativeRefDelta, uint256 cumulativeFastDelta);
    event MaxCumulativeDeltaDiffExceeded(address token, uint256 refPrice, uint256 fastPrice, uint256 cumulativeRefDelta, uint256 cumulativeFastDelta);

    modifier onlySigner() {
        require(isSigner[msg.sender], "FastPriceFeed: forbidden");
        _;
    }

    modifier onlyUpdater() {
        require(isUpdater[msg.sender], "FastPriceFeed: forbidden");
        _;
    }

    modifier onlyTokenManager() {
        require(msg.sender == tokenManager, "FastPriceFeed: forbidden");
        _;
    }

    constructor(
      uint256 _priceDuration,
      uint256 _maxPriceUpdateDelay,
      uint256 _minBlockInterval,
      uint256 _maxDeviationBasisPoints,
      address _fastPriceEvents,
      address _tokenManager,
      address _positionRouter
    ) public {
        require(_priceDuration <= MAX_PRICE_DURATION, "FastPriceFeed: invalid _priceDuration");
        priceDuration = _priceDuration;
        maxPriceUpdateDelay = _maxPriceUpdateDelay;
        minBlockInterval = _minBlockInterval;
        maxDeviationBasisPoints = _maxDeviationBasisPoints;
        fastPriceEvents = _fastPriceEvents;
        tokenManager = _tokenManager;
        positionRouter = _positionRouter;
    }

    function initialize(uint256 _minAuthorizations, address[] memory _signers, address[] memory _updaters) public onlyGov {
        require(!isInitialized, "FastPriceFeed: already initialized");
        isInitialized = true;

        minAuthorizations = _minAuthorizations;

        for (uint256 i = 0; i < _signers.length; i++) {
            address signer = _signers[i];
            isSigner[signer] = true;
        }

        for (uint256 i = 0; i < _updaters.length; i++) {
            address updater = _updaters[i];
            isUpdater[updater] = true;
        }
    }

    function setSigner(address _account, bool _isActive) external override onlyGov {
        isSigner[_account] = _isActive;
    }

    function setUpdater(address _account, bool _isActive) external override onlyGov {
        isUpdater[_account] = _isActive;
    }

    function setFastPriceEvents(address _fastPriceEvents) external onlyGov {
      fastPriceEvents = _fastPriceEvents;
    }

    function setVaultPriceFeed(address _vaultPriceFeed) external override onlyGov {
      vaultPriceFeed = _vaultPriceFeed;
    }

    function setMaxTimeDeviation(uint256 _maxTimeDeviation) external onlyGov {
        maxTimeDeviation = _maxTimeDeviation;
    }

    function setPriceDuration(uint256 _priceDuration) external override onlyGov {
        require(_priceDuration <= MAX_PRICE_DURATION, "FastPriceFeed: invalid _priceDuration");
        priceDuration = _priceDuration;
    }

    function setMaxPriceUpdateDelay(uint256 _maxPriceUpdateDelay) external override onlyGov {
        maxPriceUpdateDelay = _maxPriceUpdateDelay;
    }

    function setSpreadBasisPointsIfInactive(uint256 _spreadBasisPointsIfInactive) external override onlyGov {
        spreadBasisPointsIfInactive = _spreadBasisPointsIfInactive;
    }

    function setSpreadBasisPointsIfChainError(uint256 _spreadBasisPointsIfChainError) external override onlyGov {
        spreadBasisPointsIfChainError = _spreadBasisPointsIfChainError;
    }

    function setMinBlockInterval(uint256 _minBlockInterval) external override onlyGov {
        minBlockInterval = _minBlockInterval;
    }

    function setIsSpreadEnabled(bool _isSpreadEnabled) external override onlyGov {
        isSpreadEnabled = _isSpreadEnabled;
    }

    function setLastUpdatedAt(uint256 _lastUpdatedAt) external onlyGov {
        lastUpdatedAt = _lastUpdatedAt;
    }

    function setTokenManager(address _tokenManager) external onlyTokenManager {
        tokenManager = _tokenManager;
    }

    function setMaxDeviationBasisPoints(uint256 _maxDeviationBasisPoints) external override onlyTokenManager {
        maxDeviationBasisPoints = _maxDeviationBasisPoints;
    }

    function setMaxCumulativeDeltaDiffs(address[] memory _tokens,  uint256[] memory _maxCumulativeDeltaDiffs) external override onlyTokenManager {
        for (uint256 i = 0; i < _tokens.length; i++) {
            address token = _tokens[i];
            maxCumulativeDeltaDiffs[token] = _maxCumulativeDeltaDiffs[i];
        }
    }

    function setPriceDataInterval(uint256 _priceDataInterval) external override onlyTokenManager {
        priceDataInterval = _priceDataInterval;
    }

    function setMinAuthorizations(uint256 _minAuthorizations) external onlyTokenManager {
        minAuthorizations = _minAuthorizations;
    }

    function setTokens(address[] memory _tokens, uint256[] memory _tokenPrecisions) external onlyGov {
        require(_tokens.length == _tokenPrecisions.length, "FastPriceFeed: invalid lengths");
        tokens = _tokens;
        tokenPrecisions = _tokenPrecisions;
    }

    function setPrices(address[] memory _tokens, uint256[] memory _prices, uint256 _timestamp) external onlyUpdater {
        bool shouldUpdate = _setLastUpdatedValues(_timestamp);

        if (shouldUpdate) {
            address _fastPriceEvents = fastPriceEvents;
            address _vaultPriceFeed = vaultPriceFeed;

            for (uint256 i = 0; i < _tokens.length; i++) {
                address token = _tokens[i];
                _setPrice(token, _prices[i], _vaultPriceFeed, _fastPriceEvents);
            }
        }
    }

    function setCompactedPrices(uint256[] memory _priceBitArray, uint256 _timestamp) external onlyUpdater {
        bool shouldUpdate = _setLastUpdatedValues(_timestamp);

        if (shouldUpdate) {
            address _fastPriceEvents = fastPriceEvents;
            address _vaultPriceFeed = vaultPriceFeed;

            for (uint256 i = 0; i < _priceBitArray.length; i++) {
                uint256 priceBits = _priceBitArray[i];

                for (uint256 j = 0; j < 8; j++) {
                    uint256 index = i * 8 + j;
                    if (index >= tokens.length) { return; }

                    uint256 startBit = 32 * j;
                    uint256 price = (priceBits >> startBit) & BITMASK_32;

                    address token = tokens[i * 8 + j];
                    uint256 tokenPrecision = tokenPrecisions[i * 8 + j];
                    uint256 adjustedPrice = price.mul(PRICE_PRECISION).div(tokenPrecision);

                    _setPrice(token, adjustedPrice, _vaultPriceFeed, _fastPriceEvents);
                }
            }
        }
    }

    function setPricesWithBits(uint256 _priceBits, uint256 _timestamp) external onlyUpdater {
        _setPricesWithBits(_priceBits, _timestamp);
    }

    function setPricesWithBitsAndExecute(
        uint256 _priceBits,
        uint256 _timestamp,
        uint256 _endIndexForIncreasePositions,
        uint256 _endIndexForDecreasePositions,
        uint256 _maxIncreasePositions,
        uint256 _maxDecreasePositions
    ) external onlyUpdater {
        _setPricesWithBits(_priceBits, _timestamp);

        IPositionRouter _positionRouter = IPositionRouter(positionRouter);
        uint256 maxEndIndexForIncrease = _positionRouter.increasePositionRequestKeysStart().add(_maxIncreasePositions);
        uint256 maxEndIndexForDecrease = _positionRouter.decreasePositionRequestKeysStart().add(_maxDecreasePositions);

        if (_endIndexForIncreasePositions > maxEndIndexForIncrease) {
            _endIndexForIncreasePositions = maxEndIndexForIncrease;
        }

        if (_endIndexForDecreasePositions > maxEndIndexForDecrease) {
            _endIndexForDecreasePositions = maxEndIndexForDecrease;
        }

        _positionRouter.executeIncreasePositions(_endIndexForIncreasePositions, payable(msg.sender));
        _positionRouter.executeDecreasePositions(_endIndexForDecreasePositions, payable(msg.sender));
    }

    function disableFastPrice() external onlySigner {
        require(!disableFastPriceVotes[msg.sender], "FastPriceFeed: already voted");
        disableFastPriceVotes[msg.sender] = true;
        disableFastPriceVoteCount = disableFastPriceVoteCount.add(1);

        emit DisableFastPrice(msg.sender);
    }

    function enableFastPrice() external onlySigner {
        require(disableFastPriceVotes[msg.sender], "FastPriceFeed: already enabled");
        disableFastPriceVotes[msg.sender] = false;
        disableFastPriceVoteCount = disableFastPriceVoteCount.sub(1);

        emit EnableFastPrice(msg.sender);
    }

    // under regular operation, the fastPrice (prices[token]) is returned and there is no spread returned from this function,
    // though VaultPriceFeed might apply its own spread
    //
    // if the fastPrice has not been updated within priceDuration then it is ignored and only _refPrice with a spread is used (spread: spreadBasisPointsIfInactive)
    // in case the fastPrice has not been updated for maxPriceUpdateDelay then the _refPrice with a larger spread is used (spread: spreadBasisPointsIfChainError)
    //
    // there will be a spread from the _refPrice to the fastPrice in the following cases:
    // - in case isSpreadEnabled is set to true
    // - in case the maxDeviationBasisPoints between _refPrice and fastPrice is exceeded
    // - in case watchers flag an issue
    // - in case the cumulativeFastDelta exceeds the cumulativeRefDelta by the maxCumulativeDeltaDiff
    function getPrice(address _token, uint256 _refPrice, bool _maximise) external override view returns (uint256) {
        if (block.timestamp > lastUpdatedAt.add(maxPriceUpdateDelay)) {
            if (_maximise) {
                return _refPrice.mul(BASIS_POINTS_DIVISOR.add(spreadBasisPointsIfChainError)).div(BASIS_POINTS_DIVISOR);
            }

            return _refPrice.mul(BASIS_POINTS_DIVISOR.sub(spreadBasisPointsIfChainError)).div(BASIS_POINTS_DIVISOR);
        }

        if (block.timestamp > lastUpdatedAt.add(priceDuration)) {
            if (_maximise) {
                return _refPrice.mul(BASIS_POINTS_DIVISOR.add(spreadBasisPointsIfInactive)).div(BASIS_POINTS_DIVISOR);
            }

            return _refPrice.mul(BASIS_POINTS_DIVISOR.sub(spreadBasisPointsIfInactive)).div(BASIS_POINTS_DIVISOR);
        }

        uint256 fastPrice = prices[_token];
        if (fastPrice == 0) { return _refPrice; }

        uint256 diffBasisPoints = _refPrice > fastPrice ? _refPrice.sub(fastPrice) : fastPrice.sub(_refPrice);
        diffBasisPoints = diffBasisPoints.mul(BASIS_POINTS_DIVISOR).div(_refPrice);

        // create a spread between the _refPrice and the fastPrice if the maxDeviationBasisPoints is exceeded
        // or if watchers have flagged an issue with the fast price
        bool hasSpread = !favorFastPrice(_token) || diffBasisPoints > maxDeviationBasisPoints;

        if (hasSpread) {
            // return the higher of the two prices
            if (_maximise) {
                return _refPrice > fastPrice ? _refPrice : fastPrice;
            }

            // return the lower of the two prices
            return _refPrice < fastPrice ? _refPrice : fastPrice;
        }

        return fastPrice;
    }

    function favorFastPrice(address _token) public view returns (bool) {
        if (isSpreadEnabled) {
            return false;
        }

        if (disableFastPriceVoteCount >= minAuthorizations) {
            // force a spread if watchers have flagged an issue with the fast price
            return false;
        }

        (/* uint256 prevRefPrice */, /* uint256 refTime */, uint256 cumulativeRefDelta, uint256 cumulativeFastDelta) = getPriceData(_token);
        if (cumulativeFastDelta > cumulativeRefDelta && cumulativeFastDelta.sub(cumulativeRefDelta) > maxCumulativeDeltaDiffs[_token]) {
            // force a spread if the cumulative delta for the fast price feed exceeds the cumulative delta
            // for the Chainlink price feed by the maxCumulativeDeltaDiff allowed
            return false;
        }

        return true;
    }

    function getPriceData(address _token) public view returns (uint256, uint256, uint256, uint256) {
        PriceDataItem memory data = priceData[_token];
        return (uint256(data.refPrice), uint256(data.refTime), uint256(data.cumulativeRefDelta), uint256(data.cumulativeFastDelta));
    }

    function _setPricesWithBits(uint256 _priceBits, uint256 _timestamp) private {
        bool shouldUpdate = _setLastUpdatedValues(_timestamp);

        if (shouldUpdate) {
            address _fastPriceEvents = fastPriceEvents;
            address _vaultPriceFeed = vaultPriceFeed;

            for (uint256 j = 0; j < 8; j++) {
                uint256 index = j;
                if (index >= tokens.length) { return; }

                uint256 startBit = 32 * j;
                uint256 price = (_priceBits >> startBit) & BITMASK_32;

                address token = tokens[j];
                uint256 tokenPrecision = tokenPrecisions[j];
                uint256 adjustedPrice = price.mul(PRICE_PRECISION).div(tokenPrecision);

                _setPrice(token, adjustedPrice, _vaultPriceFeed, _fastPriceEvents);
            }
        }
    }

    function _setPrice(address _token, uint256 _price, address _vaultPriceFeed, address _fastPriceEvents) private {
        if (_vaultPriceFeed != address(0)) {
            uint256 refPrice = IVaultPriceFeed(_vaultPriceFeed).getLatestPrimaryPrice(_token);
            uint256 fastPrice = prices[_token];

            (uint256 prevRefPrice, uint256 refTime, uint256 cumulativeRefDelta, uint256 cumulativeFastDelta) = getPriceData(_token);

            if (prevRefPrice > 0) {
                uint256 refDeltaAmount = refPrice > prevRefPrice ? refPrice.sub(prevRefPrice) : prevRefPrice.sub(refPrice);
                uint256 fastDeltaAmount = fastPrice > _price ? fastPrice.sub(_price) : _price.sub(fastPrice);

                // reset cumulative delta values if it is a new time window
                if (refTime.div(priceDataInterval) != block.timestamp.div(priceDataInterval)) {
                    cumulativeRefDelta = 0;
                    cumulativeFastDelta = 0;
                }

                cumulativeRefDelta = cumulativeRefDelta.add(refDeltaAmount.mul(CUMULATIVE_DELTA_PRECISION).div(prevRefPrice));
                cumulativeFastDelta = cumulativeFastDelta.add(fastDeltaAmount.mul(CUMULATIVE_DELTA_PRECISION).div(fastPrice));
            }

            if (cumulativeFastDelta > cumulativeRefDelta && cumulativeFastDelta.sub(cumulativeRefDelta) > maxCumulativeDeltaDiffs[_token]) {
                emit MaxCumulativeDeltaDiffExceeded(_token, refPrice, fastPrice, cumulativeRefDelta, cumulativeFastDelta);
            }

            // _price is used to update the deltas
            // However for the first call, the two deltas are zero. The passed _price is not used at all
            _setPriceData(_token, refPrice, cumulativeRefDelta, cumulativeFastDelta);
            emit PriceData(_token, refPrice, fastPrice, cumulativeRefDelta, cumulativeFastDelta);
        }

        prices[_token] = _price;
        _emitPriceEvent(_fastPriceEvents, _token, _price);
    }

    function _setPriceData(address _token, uint256 _refPrice, uint256 _cumulativeRefDelta, uint256 _cumulativeFastDelta) private {
        require(_refPrice < MAX_REF_PRICE, "FastPriceFeed: invalid refPrice");
        // skip validation of block.timestamp, it should only be out of range after the year 2100
        require(_cumulativeRefDelta < MAX_CUMULATIVE_REF_DELTA, "FastPriceFeed: invalid cumulativeRefDelta");
        require(_cumulativeFastDelta < MAX_CUMULATIVE_FAST_DELTA, "FastPriceFeed: invalid cumulativeFastDelta");

        priceData[_token] = PriceDataItem(
            uint160(_refPrice),
            uint32(block.timestamp),
            uint32(_cumulativeRefDelta),
            uint32(_cumulativeFastDelta)
        );
    }

    function _emitPriceEvent(address _fastPriceEvents, address _token, uint256 _price) private {
        if (_fastPriceEvents == address(0)) {
            return;
        }

        IFastPriceEvents(_fastPriceEvents).emitPriceEvent(_token, _price);
    }

    function _setLastUpdatedValues(uint256 _timestamp) private returns (bool) {
        if (minBlockInterval > 0) {
            require(block.number.sub(lastUpdatedBlock) >= minBlockInterval, "FastPriceFeed: minBlockInterval not yet passed");
        }

        uint256 _maxTimeDeviation = maxTimeDeviation;
        require(_timestamp > block.timestamp.sub(_maxTimeDeviation), "FastPriceFeed: _timestamp below allowed range");
        require(_timestamp < block.timestamp.add(_maxTimeDeviation), "FastPriceFeed: _timestamp exceeds allowed range");

        // do not update prices if _timestamp is before the current lastUpdatedAt value
        if (_timestamp < lastUpdatedAt) {
            return false;
        }

        lastUpdatedAt = _timestamp;
        lastUpdatedBlock = block.number;

        return true;
    }
}

File 1 of 8 : Governable.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

contract Governable {
    address public gov;

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

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

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

File 1 of 8 : IPositionRouter.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

interface IPositionRouter {
    function increasePositionRequestKeysStart() external returns (uint256);
    function decreasePositionRequestKeysStart() external returns (uint256);
    function executeIncreasePositions(uint256 _count, address payable _executionFeeReceiver) external;
    function executeDecreasePositions(uint256 _count, address payable _executionFeeReceiver) external;
}

File 1 of 8 : 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 getLatestPrimaryPrice(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 1 of 8 : 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 2 of 8 : IFastPriceEvents.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

interface IFastPriceEvents {
    function emitPriceEvent(address _token, uint256 _price) external;
}

File 2 of 8 : IFastPriceFeed.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

interface IFastPriceFeed {
    function lastUpdatedAt() external view returns (uint256);
    function lastUpdatedBlock() external view returns (uint256);
    function setSigner(address _account, bool _isActive) external;
    function setUpdater(address _account, bool _isActive) external;
    function setPriceDuration(uint256 _priceDuration) external;
    function setMaxPriceUpdateDelay(uint256 _maxPriceUpdateDelay) external;
    function setSpreadBasisPointsIfInactive(uint256 _spreadBasisPointsIfInactive) external;
    function setSpreadBasisPointsIfChainError(uint256 _spreadBasisPointsIfChainError) external;
    function setMinBlockInterval(uint256 _minBlockInterval) external;
    function setIsSpreadEnabled(bool _isSpreadEnabled) external;
    function setMaxDeviationBasisPoints(uint256 _maxDeviationBasisPoints) external;
    function setMaxCumulativeDeltaDiffs(address[] memory _tokens,  uint256[] memory _maxCumulativeDeltaDiffs) external;
    function setPriceDataInterval(uint256 _priceDataInterval) external;
    function setVaultPriceFeed(address _vaultPriceFeed) external;
}

File 2 of 8 : 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);
}

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

Contract ABI

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nitialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isInitialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isSigner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isSpreadEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isUpdater","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastUpdatedAt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastUpdatedBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"maxCumulativeDeltaDiffs","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxDeviationBasisPoints","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxPriceUpdateDelay","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTimeDeviation","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minAuthorizations","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minBlockInterval","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"positionRouter","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"priceData","outputs":[{"internalType":"uint160","name":"refPrice","type":"uint160"},{"internalType":"uint32","name":"refTime","type":"uint32"},{"internalType":"uint32","name":"cumulativeRefDelta","type":"uint32"},{"internalType":"uint32","name":"cumulativeFastDelta","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"priceDataInterval","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"priceDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"prices","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_priceBitArray","type":"uint256[]"},{"internalType":"uint256","name":"_timestamp","type":"uint256"}],"name":"setCompactedPrices","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_fastPriceEvents","type":"address"}],"name":"setFastPriceEvents","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_gov","type":"address"}],"name":"setGov","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_isSpreadEnabled","type":"bool"}],"name":"setIsSpreadEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_lastUpdatedAt","type":"uint256"}],"name":"setLastUpdatedAt","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_tokens","type":"address[]"},{"internalType":"uint256[]","name":"_maxCumulativeDeltaDiffs","type":"uint256[]"}],"name":"setMaxCumulativeDeltaDiffs","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxDeviationBasisPoints","type":"uint256"}],"name":"setMaxDeviationBasisPoints","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxPriceUpdateDelay","type":"uint256"}],"name":"setMaxPriceUpdateDelay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxTimeDeviation","type":"uint256"}],"name":"setMaxTimeDeviation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_minAuthorizations","type":"uint256"}],"name":"setMinAuthorizations","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_minBlockInterval","type":"uint256"}],"name":"setMinBlockInterval","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_priceDataInterval","type":"uint256"}],"name":"setPriceDataInterval","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_priceDuration","type":"uint256"}],"name":"setPriceDuration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_tokens","type":"address[]"},{"internalType":"uint256[]","name":"_prices","type":"uint256[]"},{"internalType":"uint256","name":"_timestamp","type":"uint256"}],"name":"setPrices","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_priceBits","type":"uint256"},{"internalType":"uint256","name":"_timestamp","type":"uint256"}],"name":"setPricesWithBits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_priceBits","type":"uint256"},{"internalType":"uint256","name":"_timestamp","type":"uint256"},{"internalType":"uint256","name":"_endIndexForIncreasePositions","type":"uint256"},{"internalType":"uint256","name":"_endIndexForDecreasePositions","type":"uint256"},{"internalType":"uint256","name":"_maxIncreasePositions","type":"uint256"},{"internalType":"uint256","name":"_maxDecreasePositions","type":"uint256"}],"name":"setPricesWithBitsAndExecute","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"bool","name":"_isActive","type":"bool"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_spreadBasisPointsIfChainError","type":"uint256"}],"name":"setSpreadBasisPointsIfChainError","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_spreadBasisPointsIfInactive","type":"uint256"}],"name":"setSpreadBasisPointsIfInactive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenManager","type":"address"}],"name":"setTokenManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_tokens","type":"address[]"},{"internalType":"uint256[]","name":"_tokenPrecisions","type":"uint256[]"}],"name":"setTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"bool","name":"_isActive","type":"bool"}],"name":"setUpdater","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_vaultPriceFeed","type":"address"}],"name":"setVaultPriceFeed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"spreadBasisPointsIfChainError","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"spreadBasisPointsIfInactive","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenManager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokenPrecisions","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokens","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vaultPriceFeed","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

Deployed Bytecode

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.