ITradingCallbacksUtils

Interface for GNSTradingCallbacks facet (inherits types and also contains functions, events, and custom errors)

initializeCallbacks

function initializeCallbacks(uint8 _vaultClosingFeeP) external

Parameters

Name	Type	Description
_vaultClosingFeeP	uint8	the % of closing fee going to vault

initializeTreasuryAddress

function initializeTreasuryAddress(address _treasury) external

Initialize the treasury address

Parameters

Name	Type	Description
_treasury	address	the treasury address

updateVaultClosingFeeP

function updateVaultClosingFeeP(uint8 _valueP) external

Update the % of closing fee going to vault

Parameters

Name	Type	Description
_valueP	uint8	the % of closing fee going to vault

updateTreasuryAddress

function updateTreasuryAddress(address _treasury) external

Updates the treasury address

Parameters

Name	Type	Description
_treasury	address	the new treasury address

claimPendingGovFees

function claimPendingGovFees() external

Claim the pending gov fees for all collaterals

openTradeMarketCallback

function openTradeMarketCallback(struct ITradingCallbacks.AggregatorAnswer _a) external

Executes a pending open trade market order

Parameters

Name	Type	Description
_a	ITradingCallbacks.AggregatorAnswer	the price aggregator answer (order id, price, etc.)

closeTradeMarketCallback

function closeTradeMarketCallback(struct ITradingCallbacks.AggregatorAnswer _a) external

Executes a pending close trade market order

Parameters

Name	Type	Description
_a	ITradingCallbacks.AggregatorAnswer	the price aggregator answer (order id, price, etc.)

executeTriggerOpenOrderCallback

function executeTriggerOpenOrderCallback(struct ITradingCallbacks.AggregatorAnswer _a) external

Executes a pending open trigger order (for limit/stop orders)

Parameters

Name	Type	Description
_a	ITradingCallbacks.AggregatorAnswer	the price aggregator answer (order id, price, etc.)

executeTriggerCloseOrderCallback

function executeTriggerCloseOrderCallback(struct ITradingCallbacks.AggregatorAnswer _a) external

Executes a pending close trigger order (for tp/sl/liq orders)

Parameters

Name	Type	Description
_a	ITradingCallbacks.AggregatorAnswer	the price aggregator answer (order id, price, etc.)

updateLeverageCallback

function updateLeverageCallback(struct ITradingCallbacks.AggregatorAnswer _a) external

Executes a pending update leverage order

Parameters

Name	Type	Description
_a	ITradingCallbacks.AggregatorAnswer	the price aggregator answer (order id, price, etc.)

increasePositionSizeMarketCallback

function increasePositionSizeMarketCallback(struct ITradingCallbacks.AggregatorAnswer _a) external

Executes a pending increase position size market order

Parameters

Name	Type	Description
_a	ITradingCallbacks.AggregatorAnswer	the price aggregator answer (order id, price, etc.)

decreasePositionSizeMarketCallback

function decreasePositionSizeMarketCallback(struct ITradingCallbacks.AggregatorAnswer _a) external

Executes a pending decrease position size market order

Parameters

Name	Type	Description
_a	ITradingCallbacks.AggregatorAnswer	the price aggregator answer (order id, price, etc.)

getVaultClosingFeeP

function getVaultClosingFeeP() external view returns (uint8)

Returns the current vaultClosingFeeP value (%)

getPendingGovFeesCollateral

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

Returns the current pending gov fees for a collateral index (collateral precision)

validateTriggerOpenOrderCallback

function validateTriggerOpenOrderCallback(struct ITradingStorage.Id _tradeId, enum ITradingStorage.PendingOrderType _orderType, uint64 _open, uint64 _high, uint64 _low) external view returns (struct ITradingStorage.Trade t, enum ITradingCallbacks.CancelReason cancelReason, struct ITradingCallbacks.Values v)

Makes open trigger (STOP/LIMIT) checks like slippage, price impact, missed targets and returns cancellation reason if any

Parameters

Name	Type	Description
_tradeId	ITradingStorage.Id	the id of the trade
_orderType	enum ITradingStorage.PendingOrderType	the pending order type
_open	uint64	the open value from an aggregator answer
_high	uint64	the high value from an aggregator answer
_low	uint64	the low value from an aggregator answer

validateTriggerCloseOrderCallback

function validateTriggerCloseOrderCallback(struct ITradingStorage.Id _tradeId, enum ITradingStorage.PendingOrderType _orderType, uint64 _open, uint64 _high, uint64 _low) external view returns (struct ITradingStorage.Trade t, enum ITradingCallbacks.CancelReason cancelReason, struct ITradingCallbacks.Values v)

Makes close trigger (SL/TP/LIQ) checks like slippage and price impact and returns cancellation reason if any

Parameters

Name	Type	Description
_tradeId	ITradingStorage.Id	the id of the trade
_orderType	enum ITradingStorage.PendingOrderType	the pending order type
_open	uint64	the open value from an aggregator answer
_high	uint64	the high value from an aggregator answer
_low	uint64	the low value from an aggregator answer

VaultClosingFeePUpdated

event VaultClosingFeePUpdated(uint8 valueP)

Emitted when vaultClosingFeeP is updated

Parameters

Name	Type	Description
valueP	uint8	the % of closing fee going to vault

PendingGovFeesClaimed

event PendingGovFeesClaimed(uint8 collateralIndex, uint256 amountCollateral)

Emitted when gov fees are claimed for a collateral

Parameters

Name	Type	Description
collateralIndex	uint8	the collateral index
amountCollateral	uint256	the amount of fees claimed (collateral precision)

MarketExecuted

event MarketExecuted(struct ITradingStorage.Id orderId, address user, uint32 index, struct ITradingStorage.Trade t, bool open, uint256 oraclePrice, uint256 marketPrice, uint256 liqPrice, uint256 priceImpactP, int256 percentProfit, uint256 amountSentToTrader, uint256 collateralPriceUsd)

Emitted when a market order is executed (open/close)

Parameters

Name	Type	Description
orderId	struct ITradingStorage.Id	the id of the corresponding pending market order
user	address	trade user
index	uint32	trade index
t	struct ITradingStorage.Trade	the trade object
open	bool	true for a market open order, false for a market close order
oraclePrice	uint256	the oracle price without spread/impact (1e10 precision)
marketPrice	uint256	the price at which the trade was executed (1e10 precision)
liqPrice	uint256	trade liquidation price (1e10 precision)
priceImpactP	uint256	the price impact in percentage (1e10 precision)
percentProfit	int256	the profit in percentage (1e10 precision)
amountSentToTrader	uint256	the final amount of collateral sent to the trader
collateralPriceUsd	uint256	the price of the collateral in USD (1e8 precision)

LimitExecuted

event LimitExecuted(struct ITradingStorage.Id orderId, address user, uint32 index, uint32 limitIndex, struct ITradingStorage.Trade t, address triggerCaller, enum ITradingStorage.PendingOrderType orderType, uint256 oraclePrice, uint256 marketPrice, uint256 liqPrice, uint256 priceImpactP, int256 percentProfit, uint256 amountSentToTrader, uint256 collateralPriceUsd, bool exactExecution)

Emitted when a limit/stop order is executed

Parameters

Name	Type	Description
orderId	struct ITradingStorage.Id	the id of the corresponding pending trigger order
user	address	trade user
index	uint32	trade index
limitIndex	uint32	limit index
t	struct ITradingStorage.Trade	the trade object
triggerCaller	address	the address that triggered the limit order
orderType	enum ITradingStorage.PendingOrderType	the type of the pending order
oraclePrice	uint256	the oracle price without spread/impact (1e10 precision)
marketPrice	uint256	the price at which the trade was executed (1e10 precision)
liqPrice	uint256	trade liquidation price (1e10 precision)
priceImpactP	uint256	the price impact in percentage (1e10 precision)
percentProfit	int256	the profit in percentage (1e10 precision)
amountSentToTrader	uint256	the final amount of collateral sent to the trader
collateralPriceUsd	uint256	the price of the collateral in USD (1e8 precision)
exactExecution	bool	true if guaranteed execution was used

MarketOpenCanceled

event MarketOpenCanceled(struct ITradingStorage.Id orderId, address trader, uint256 pairIndex, enum ITradingCallbacks.CancelReason cancelReason)

Emitted when a pending market open order is canceled

Parameters

Name	Type	Description
orderId	struct ITradingStorage.Id	order id of the pending market open order
trader	address	address of the trader
pairIndex	uint256	index of the trading pair
cancelReason	enum ITradingCallbacks.CancelReason	reason for the cancellation

MarketCloseCanceled

event MarketCloseCanceled(struct ITradingStorage.Id orderId, address trader, uint256 pairIndex, uint256 index, enum ITradingCallbacks.CancelReason cancelReason)

Emitted when a pending market close order is canceled

Parameters

Name	Type	Description
orderId	struct ITradingStorage.Id	order id of the pending market close order
trader	address	address of the trader
pairIndex	uint256	index of the trading pair
index	uint256	index of the trade for trader
cancelReason	enum ITradingCallbacks.CancelReason	reason for the cancellation

TriggerOrderCanceled

event TriggerOrderCanceled(struct ITradingStorage.Id orderId, address triggerCaller, enum ITradingStorage.PendingOrderType orderType, enum ITradingCallbacks.CancelReason cancelReason)

Emitted when a pending trigger order is canceled

Parameters

Name	Type	Description
orderId	struct ITradingStorage.Id	order id of the pending trigger order
triggerCaller	address	address of the trigger caller
orderType	enum ITradingStorage.PendingOrderType	type of the pending trigger order
cancelReason	enum ITradingCallbacks.CancelReason	reason for the cancellation

BorrowingFeeCharged

event BorrowingFeeCharged(address trader, uint32 index, uint8 collateralIndex, uint256 amountCollateral)

Parameters

Name	Type	Description
trader	address	address of the trader
index	uint32	index of the trade
collateralIndex	uint8	index of the collateral
amountCollateral	uint256	amount charged (collateral precision)