PriceAggregatorUtils

GNSPriceAggregator facet external library

initializePriceAggregator

function initializePriceAggregator(address _linkErc677, contract IChainlinkFeed _linkUsdPriceFeed, uint24 _twapInterval, uint8 _minAnswers, address[] _oracles, bytes32[2] _jobIds, uint8[] _collateralIndices, struct IPriceAggregator.LiquidityPoolInput[] _gnsCollateralLiquidityPools, contract IChainlinkFeed[] _collateralUsdPriceFeeds) external

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updateLinkUsdPriceFeed

function updateLinkUsdPriceFeed(contract IChainlinkFeed _value) public

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updateCollateralUsdPriceFeed

function updateCollateralUsdPriceFeed(uint8 _collateralIndex, contract IChainlinkFeed _value) public

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updateCollateralGnsLiquidityPool

function updateCollateralGnsLiquidityPool(uint8 _collateralIndex, struct IPriceAggregator.LiquidityPoolInput _liquidityPoolInput) public

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updateTwapInterval

function updateTwapInterval(uint24 _twapInterval) public

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updateMinAnswers

function updateMinAnswers(uint8 _value) public

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addOracle

function addOracle(address _a) public

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replaceOracle

function replaceOracle(uint256 _index, address _a) external

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removeOracle

function removeOracle(uint256 _index) external

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setMarketJobId

function setMarketJobId(bytes32 _jobId) public

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setLimitJobId

function setLimitJobId(bytes32 _jobId) public

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getPrice

function getPrice(uint8 _collateralIndex, uint16 _pairIndex, struct ITradingStorage.Id _tradeId, struct ITradingStorage.Id _orderId, enum ITradingStorage.PendingOrderType _orderType, uint256 _positionSizeCollateral, uint256 _fromBlock) external

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fulfill

function fulfill(bytes32 _requestId, uint256 _priceData) external

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claimBackLink

function claimBackLink() external

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getLinkFee

function getLinkFee(uint8 _collateralIndex, address _trader, uint16 _pairIndex, uint256 _positionSizeCollateral) public view returns (uint256)

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getCollateralPriceUsd

function getCollateralPriceUsd(uint8 _collateralIndex) public view returns (uint256)

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getUsdNormalizedValue

function getUsdNormalizedValue(uint8 _collateralIndex, uint256 _collateralValue) public view returns (uint256)

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getCollateralFromUsdNormalizedValue

function getCollateralFromUsdNormalizedValue(uint8 _collateralIndex, uint256 _normalizedValue) external view returns (uint256)

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getGnsPriceUsd

function getGnsPriceUsd(uint8 _collateralIndex) external view returns (uint256)

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getGnsPriceUsd

function getGnsPriceUsd(uint8 _collateralIndex, uint256 _gnsPriceCollateral) public view returns (uint256)

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getGnsPriceCollateralAddress

function getGnsPriceCollateralAddress(address _collateral) external view returns (uint256 _price)

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getGnsPriceCollateralIndex

function getGnsPriceCollateralIndex(uint8 _collateralIndex) public view returns (uint256 _price)

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getLinkUsdPriceFeed

function getLinkUsdPriceFeed() external view returns (contract IChainlinkFeed)

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getTwapInterval

function getTwapInterval() external view returns (uint24)

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getMinAnswers

function getMinAnswers() external view returns (uint8)

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getMarketJobId

function getMarketJobId() external view returns (bytes32)

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getLimitJobId

function getLimitJobId() external view returns (bytes32)

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getOracle

function getOracle(uint256 _index) external view returns (address)

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getOracles

function getOracles() external view returns (address[])

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getCollateralGnsLiquidityPool

function getCollateralGnsLiquidityPool(uint8 _collateralIndex) external view returns (struct IPriceAggregator.LiquidityPoolInfo)

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getCollateralUsdPriceFeed

function getCollateralUsdPriceFeed(uint8 _collateralIndex) external view returns (contract IChainlinkFeed)

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getPriceAggregatorOrder

function getPriceAggregatorOrder(bytes32 _requestId) external view returns (struct IPriceAggregator.Order)

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getPriceAggregatorOrderAnswers

function getPriceAggregatorOrderAnswers(struct ITradingStorage.Id _orderId) external view returns (struct IPriceAggregator.OrderAnswer[])

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getChainlinkToken

function getChainlinkToken() public view returns (address)

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getRequestCount

function getRequestCount() external view returns (uint256)

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getPendingRequest

function getPendingRequest(bytes32 _id) external view returns (address)

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_getSlot

function _getSlot() internal pure returns (uint256)

Returns storage slot to use when fetching storage relevant to library

_getStorage

function _getStorage() internal pure returns (struct IPriceAggregator.PriceAggregatorStorage s)

Returns storage pointer for storage struct in diamond contract, at defined slot

_getMultiCollatDiamond

function _getMultiCollatDiamond() internal view returns (contract IGNSMultiCollatDiamond)

Returns current address as multi-collateral diamond interface to call other facets functions.

validCollateralIndex

modifier validCollateralIndex(uint8 _collateralIndex)

Reverts if collateral index is not valid

_median

function _median(struct IPriceAggregator.OrderAnswer[] _array) internal pure returns (uint64)

returns median price of array (1 price only)

Parameters

Name

Type

Description

_array

IPriceAggregator.OrderAnswer[]

array of values

_medianLookbacks

function _medianLookbacks(struct IPriceAggregator.OrderAnswer[] _array) internal pure returns (uint64 open, uint64 high, uint64 low)

returns median prices of array (open, high, low)

Parameters

Name

Type

Description

_array

IPriceAggregator.OrderAnswer[]

array of values

_swap

function _swap(uint256[] _array, uint256 _i, uint256 _j) internal pure

swaps two elements in array

Parameters

Name

Type

Description

_array

uint256[]

array of values

uint256

index of first element

uint256

index of second element

_sort

function _sort(uint256[] _array, uint256 begin, uint256 end) internal pure

sorts array of uint256 values

Parameters

Name

Type

Description

_array

uint256[]

array of values

begin

uint256

start index

end

uint256

end index

_getCollateralPrecisionDelta

function _getCollateralPrecisionDelta(uint8 _collateralIndex) internal view returns (uint256)

Returns precision delta of collateral as uint256

Parameters

Name

Type

Description

_collateralIndex

uint8

index of collateral

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