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Facet #8: Callbacks (to execute actions after receiving median price from price aggregator)

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constructor

constructor() public

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initializeCallbacks

function initializeCallbacks(uint8 _vaultClosingFeeP) external

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Parameters

NameTypeDescription
_vaultClosingFeePuint8the % of closing fee going to vault

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initializeTreasuryAddress

function initializeTreasuryAddress(address _treasury) external
Initialize the treasury address

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Parameters

NameTypeDescription
_treasuryaddressthe treasury address

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updateVaultClosingFeeP

function updateVaultClosingFeeP(uint8 _valueP) external
Update the % of closing fee going to vault

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Parameters

NameTypeDescription
_valuePuint8the % of closing fee going to vault

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updateTreasuryAddress

function updateTreasuryAddress(address _treasury) external
Updates the treasury address

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Parameters

NameTypeDescription
_treasuryaddressthe new treasury address

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claimPendingGovFees

function claimPendingGovFees() external
Claim the pending gov fees for all collaterals

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openTradeMarketCallback

function openTradeMarketCallback(struct ITradingCallbacks.AggregatorAnswer _a) external virtual
Executes a pending open trade market order

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Parameters

NameTypeDescription
_aITradingCallbacks.AggregatorAnswerthe price aggregator answer (order id, price, etc.)

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closeTradeMarketCallback

function closeTradeMarketCallback(struct ITradingCallbacks.AggregatorAnswer _a) external virtual
Executes a pending close trade market order

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Parameters

NameTypeDescription
_aITradingCallbacks.AggregatorAnswerthe price aggregator answer (order id, price, etc.)

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executeTriggerOpenOrderCallback

function executeTriggerOpenOrderCallback(struct ITradingCallbacks.AggregatorAnswer _a) external virtual
Executes a pending open trigger order (for limit/stop orders)

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Parameters

NameTypeDescription
_aITradingCallbacks.AggregatorAnswerthe price aggregator answer (order id, price, etc.)

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executeTriggerCloseOrderCallback

function executeTriggerCloseOrderCallback(struct ITradingCallbacks.AggregatorAnswer _a) external virtual
Executes a pending close trigger order (for tp/sl/liq orders)

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Parameters

NameTypeDescription
_aITradingCallbacks.AggregatorAnswerthe price aggregator answer (order id, price, etc.)

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getVaultClosingFeeP

function getVaultClosingFeeP() external view returns (uint8)
Returns the current vaultClosingFeeP value (%)

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getPendingGovFeesCollateral

function getPendingGovFeesCollateral(uint8 _collateralIndex) external view returns (uint256)
Returns the current pending gov fees for a collateral index (collateral precision)

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updateLeverageCallback

function updateLeverageCallback(struct ITradingCallbacks.AggregatorAnswer _a) external virtual
Executes a pending update leverage order

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Parameters

NameTypeDescription
_aITradingCallbacks.AggregatorAnswerthe price aggregator answer (order id, price, etc.)

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increasePositionSizeMarketCallback

function increasePositionSizeMarketCallback(struct ITradingCallbacks.AggregatorAnswer _a) external virtual
Executes a pending increase position size market order

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Parameters

NameTypeDescription
_aITradingCallbacks.AggregatorAnswerthe price aggregator answer (order id, price, etc.)

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decreasePositionSizeMarketCallback

function decreasePositionSizeMarketCallback(struct ITradingCallbacks.AggregatorAnswer _a) external virtual
Executes a pending decrease position size market order

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Parameters

NameTypeDescription
_aITradingCallbacks.AggregatorAnswerthe price aggregator answer (order id, price, etc.)

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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

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Parameters

NameTypeDescription
_tradeIdITradingStorage.Idthe id of the trade
_orderTypeenum ITradingStorage.PendingOrderTypethe pending order type
_openuint64the open value from an aggregator answer
_highuint64the high value from an aggregator answer
_lowuint64the low value from an aggregator answer

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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

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Parameters

NameTypeDescription
_tradeIdITradingStorage.Idthe id of the trade
_orderTypeenum ITradingStorage.PendingOrderTypethe pending order type
_openuint64the open value from an aggregator answer
_highuint64the high value from an aggregator answer
_lowuint64the low value from an aggregator answer