IncreasePositionSizeUtils

This is an internal utils library for position size increases Used by UpdatePositionSizeLifecycles internal library

validateRequest

function validateRequest(struct ITradingStorage.Trade _trade, struct IUpdatePositionSize.IncreasePositionSizeInput _input) internal view returns (uint256 positionSizeCollateralDelta)

_Validates increase position request. Possible inputs: collateral delta > 0 and leverage delta > 0 (increase position size by collateral delta * leverage delta) collateral delta = 0 and leverage delta > 0 (increase trade leverage by leverage delta)_

Parameters

Name	Type	Description
_trade	ITradingStorage.Trade	trade of request
_input	IUpdatePositionSize.IncreasePositionSizeInput	input values

prepareCallbackValues

function prepareCallbackValues(struct ITradingStorage.Trade _existingTrade, struct ITradingStorage.Trade _partialTrade, struct ITradingCallbacks.AggregatorAnswer _answer) internal view returns (struct IUpdatePositionSize.IncreasePositionSizeValues values)

Calculates values for callback

Parameters

Name	Type	Description
_existingTrade	ITradingStorage.Trade	existing trade data
_partialTrade	ITradingStorage.Trade	partial trade data
_answer	ITradingCallbacks.AggregatorAnswer	price aggregator answer

validateCallback

function validateCallback(struct ITradingStorage.Trade _existingTrade, struct IUpdatePositionSize.IncreasePositionSizeValues _values, struct ITradingCallbacks.AggregatorAnswer _answer, uint256 _expectedPrice, uint256 _maxSlippageP) internal view returns (enum ITradingCallbacks.CancelReason cancelReason)

Validates callback, and returns corresponding cancel reason

Parameters

Name	Type	Description
_existingTrade	ITradingStorage.Trade	existing trade data
_values	IUpdatePositionSize.IncreasePositionSizeValues	pre-calculated useful values
_answer	ITradingCallbacks.AggregatorAnswer
_expectedPrice	uint256	user expected price before callback (1e10)
_maxSlippageP	uint256	maximum slippage percentage from expected price (1e3)

updateTradeSuccess

function updateTradeSuccess(struct ITradingStorage.Trade _existingTrade, struct IUpdatePositionSize.IncreasePositionSizeValues _values) internal

Updates trade (for successful request)

Parameters

Name	Type	Description
_existingTrade	ITradingStorage.Trade	existing trade data
_values	IUpdatePositionSize.IncreasePositionSizeValues	pre-calculated useful values

handleCanceled

function handleCanceled(struct ITradingStorage.Trade _existingTrade, struct ITradingStorage.Trade _partialTrade, enum ITradingCallbacks.CancelReason _cancelReason) internal

Handles callback canceled case (for failed request)

Parameters

Name	Type	Description
_existingTrade	ITradingStorage.Trade	existing trade data
_partialTrade	ITradingStorage.Trade	partial trade data
_cancelReason	enum ITradingCallbacks.CancelReason	cancel reason

_getMultiCollatDiamond

function _getMultiCollatDiamond() internal view returns (contract IGNSMultiCollatDiamond)

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

API Reference

Integrators

Technical Reference

IncreasePositionSizeUtils

validateRequest

Parameters

prepareCallbackValues

Parameters

validateCallback

Parameters

updateTradeSuccess

Parameters

handleCanceled

Parameters

_getMultiCollatDiamond

​validateRequest

​Parameters

​prepareCallbackValues

​Parameters

​validateCallback

​Parameters

​updateTradeSuccess

​Parameters

​handleCanceled

​Parameters

​_getMultiCollatDiamond

validateRequest

Parameters

prepareCallbackValues

Parameters

validateCallback

Parameters

updateTradeSuccess

Parameters

handleCanceled

Parameters

_getMultiCollatDiamond