GNSPairsStorage
Facet #1: Pairs storage
constructor
constructor() public
initializeGroupLiquidationParams
function initializeGroupLiquidationParams(struct IPairsStorage.GroupLiquidationParams[] _groupLiquidationParams) external
Initializes liquidation params for all existing groups
Parameters
_groupLiquidationParams
liquidation params for each group (index corresponds to group index)
initializeNewFees
function initializeNewFees(struct IPairsStorage.GlobalTradeFeeParams _tradeFeeParams) external
Copies all existing fee groups to new mapping, multiplies existing groups min/max lev by 1e3, initializes new global trade fee params
Parameters
addPairs
function addPairs(struct IPairsStorage.Pair[] _pairs) external
Adds new trading pairs
Parameters
updatePairs
function updatePairs(uint256[] _pairIndices, struct IPairsStorage.Pair[] _pairs) external
Updates trading pairs
Parameters
_pairIndices
uint256[]
indices of pairs
addGroups
function addGroups(struct IPairsStorage.Group[] _groups) external
Adds new pair groups
Parameters
updateGroups
function updateGroups(uint256[] _ids, struct IPairsStorage.Group[] _groups) external
Updates pair groups
Parameters
_ids
uint256[]
indices of groups
addFees
function addFees(struct IPairsStorage.FeeGroup[] _fees) external
Adds new pair fees groups
Parameters
updateFees
function updateFees(uint256[] _ids, struct IPairsStorage.FeeGroup[] _fees) external
Updates pair fees groups
Parameters
_ids
uint256[]
indices of fees
setGroupLiquidationParams
function setGroupLiquidationParams(uint256 _groupIndex, struct IPairsStorage.GroupLiquidationParams _params) external
Updates group liquidation params (will only apply for trades opened after the change)
Parameters
_groupIndex
uint256
index of group
setGlobalTradeFeeParams
function setGlobalTradeFeeParams(struct IPairsStorage.GlobalTradeFeeParams _feeParams) external
Updates global trade fee params
Parameters
setPairCustomMaxLeverages
function setPairCustomMaxLeverages(uint256[] _indices, uint256[] _values) external
Updates pair custom max leverages (if unset group default is used); useful to delist a pair if new value is below the pair's group minLeverage
Parameters
_indices
uint256[]
indices of pairs
_values
uint256[]
new custom max leverages (1e3 precision)
pairJob
function pairJob(uint256 _pairIndex) external view returns (string, string)
Returns data needed by price aggregator when doing a new price request
Parameters
_pairIndex
uint256
index of pair
Return Values
[0]
string
[1]
string
isPairListed
function isPairListed(string _from, string _to) external view returns (bool)
Returns whether a pair is listed
Parameters
_from
string
pair from (eg. BTC)
_to
string
pair to (eg. USD)
isPairIndexListed
function isPairIndexListed(uint256 _pairIndex) external view returns (bool)
Returns whether a pair index is listed
Parameters
_pairIndex
uint256
index of pair to check
pairs
function pairs(uint256 _index) external view returns (struct IPairsStorage.Pair)
Returns a pair's details
Parameters
_index
uint256
index of pair
pairsCount
function pairsCount() external view returns (uint256)
Returns number of listed pairs
pairSpreadP
function pairSpreadP(uint256 _pairIndex) external view returns (uint256)
Returns a pair's spread % (1e10 precision)
Parameters
_pairIndex
uint256
index of pair
pairMinLeverage
function pairMinLeverage(uint256 _pairIndex) external view returns (uint256)
Returns a pair's min leverage (1e3 precision)
Parameters
_pairIndex
uint256
index of pair
pairTotalPositionSizeFeeP
function pairTotalPositionSizeFeeP(uint256 _pairIndex) external view returns (uint256)
Returns a pair's total position size fee % (1e10 precision)
Parameters
_pairIndex
uint256
index of pair
pairTotalLiqCollateralFeeP
function pairTotalLiqCollateralFeeP(uint256 _pairIndex) external view returns (uint256)
Returns a pair's total liquidation collateral fee % (1e10 precision)
Parameters
_pairIndex
uint256
index of pair
pairOraclePositionSizeFeeP
function pairOraclePositionSizeFeeP(uint256 _pairIndex) external view returns (uint256)
Returns a pair's oracle position size fee % (1e10 precision)
Parameters
_pairIndex
uint256
index of pair
pairMinPositionSizeUsd
function pairMinPositionSizeUsd(uint256 _pairIndex) external view returns (uint256)
Returns a pair's min position size in USD (1e18 precision)
Parameters
_pairIndex
uint256
index of pair
getGlobalTradeFeeParams
function getGlobalTradeFeeParams() external view returns (struct IPairsStorage.GlobalTradeFeeParams)
Returns global trade fee params
pairMinFeeUsd
function pairMinFeeUsd(uint256 _pairIndex) external view returns (uint256)
Returns a pair's minimum trading fee in USD (1e18 precision)
Parameters
_pairIndex
uint256
index of pair
groups
function groups(uint256 _index) external view returns (struct IPairsStorage.Group)
Returns a group details
Parameters
_index
uint256
index of group
groupsCount
function groupsCount() external view returns (uint256)
Returns number of listed groups
fees
function fees(uint256 _index) external view returns (struct IPairsStorage.FeeGroup)
Returns a fee group details
Parameters
_index
uint256
index of fee group
feesCount
function feesCount() external view returns (uint256)
Returns number of listed fee groups
pairMaxLeverage
function pairMaxLeverage(uint256 _pairIndex) external view returns (uint256)
Returns a pair's active max leverage; custom if set, otherwise group default (1e3 precision)
Parameters
_pairIndex
uint256
index of pair
pairCustomMaxLeverage
function pairCustomMaxLeverage(uint256 _pairIndex) external view returns (uint256)
Returns a pair's custom max leverage; 0 if not set (1e3 precision)
Parameters
_pairIndex
uint256
index of pair
getAllPairsRestrictedMaxLeverage
function getAllPairsRestrictedMaxLeverage() external view returns (uint256[])
Returns all listed pairs custom max leverages (1e3 precision)
getGroupLiquidationParams
function getGroupLiquidationParams(uint256 _groupIndex) external view returns (struct IPairsStorage.GroupLiquidationParams)
Returns a group's liquidation params
getPairLiquidationParams
function getPairLiquidationParams(uint256 _pairIndex) external view returns (struct IPairsStorage.GroupLiquidationParams)
Returns a pair's group liquidation params
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