PriceAggregatorUtils - Gains Network

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

Check IPriceAggregatorUtils interface for documentation

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
_i	uint256	index of first element
_j	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

​initializePriceAggregator

​updateLinkUsdPriceFeed

​updateCollateralUsdPriceFeed

​updateCollateralGnsLiquidityPool

​updateTwapInterval

​updateMinAnswers

​addOracle

​replaceOracle

​removeOracle

​setMarketJobId

​setLimitJobId

​getPrice

​fulfill

​claimBackLink

​getLinkFee

​getCollateralPriceUsd

​getUsdNormalizedValue

​getCollateralFromUsdNormalizedValue

​getGnsPriceUsd

​getGnsPriceUsd

​getGnsPriceCollateralAddress

​getGnsPriceCollateralIndex

​getLinkUsdPriceFeed

​getTwapInterval

​getMinAnswers

​getMarketJobId

​getLimitJobId

​getOracle

​getOracles

​getCollateralGnsLiquidityPool

​getCollateralUsdPriceFeed

​getPriceAggregatorOrder

​getPriceAggregatorOrderAnswers

​getChainlinkToken

​getRequestCount

​getPendingRequest

​_getSlot

​_getStorage

​_getMultiCollatDiamond

​validCollateralIndex

​_median

​Parameters

​_medianLookbacks

​Parameters

​_swap

​Parameters

​_sort

​Parameters

​_getCollateralPrecisionDelta

​Parameters

initializePriceAggregator

updateLinkUsdPriceFeed

updateCollateralUsdPriceFeed

updateCollateralGnsLiquidityPool

updateTwapInterval

updateMinAnswers

addOracle

replaceOracle

removeOracle

setMarketJobId

setLimitJobId

getPrice

fulfill

claimBackLink

getLinkFee

getCollateralPriceUsd

getUsdNormalizedValue

getCollateralFromUsdNormalizedValue

getGnsPriceUsd

getGnsPriceUsd

getGnsPriceCollateralAddress

getGnsPriceCollateralIndex

getLinkUsdPriceFeed

getTwapInterval

getMinAnswers

getMarketJobId

getLimitJobId

getOracle

getOracles

getCollateralGnsLiquidityPool

getCollateralUsdPriceFeed

getPriceAggregatorOrder

getPriceAggregatorOrderAnswers

getChainlinkToken

getRequestCount

getPendingRequest

_getSlot

_getStorage

_getMultiCollatDiamond

validCollateralIndex

_median

Parameters

_medianLookbacks

Parameters

_swap

Parameters

_sort

Parameters

_getCollateralPrecisionDelta

Parameters