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liquidations_keeper.go
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liquidations_keeper.go
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package types
import (
"math/big"
sdk "github.com/cosmos/cosmos-sdk/types"
satypes "github.com/dydxprotocol/v4-chain/protocol/x/subaccounts/types"
)
// LiquidationsKeeper is an interface that encapsulates all reads and writes to the
// in-memory data structures that store liquidation information.
type LiquidationsKeeper interface {
PlacePerpetualLiquidation(
ctx sdk.Context,
liquidationOrder LiquidationOrder,
) (
orderSizeOptimisticallyFilledFromMatchingQuantums satypes.BaseQuantums,
orderStatus OrderStatus,
err error,
)
IsLiquidatable(
ctx sdk.Context,
subaccountId satypes.SubaccountId,
) (
bool,
error,
)
GetBankruptcyPriceInQuoteQuantums(
ctx sdk.Context,
subaccountId satypes.SubaccountId,
perpetualId uint32,
deltaQuantums *big.Int,
) (
quoteQuantums *big.Int,
err error,
)
GetFillablePrice(
ctx sdk.Context,
subaccountId satypes.SubaccountId,
perpetualId uint32,
deltaQuantums *big.Int,
) (
fillablePrice *big.Rat,
err error,
)
GetInsuranceFundBalance(
ctx sdk.Context,
) (
balance *big.Int,
)
GetLiquidationInsuranceFundDelta(
ctx sdk.Context,
subaccountId satypes.SubaccountId,
perpetualId uint32,
isBuy bool,
fillAmount uint64,
subticks Subticks,
) (
insuranceFundDeltaQuoteQuantums *big.Int,
err error,
)
ConvertFillablePriceToSubticks(
ctx sdk.Context,
fillablePrice *big.Rat,
isLiquidatingLong bool,
clobPair ClobPair,
) (
subticks Subticks,
)
GetPerpetualPositionToLiquidate(
ctx sdk.Context,
subaccountId satypes.SubaccountId,
) (
clobPair ClobPair,
quantums *big.Int,
err error,
)
GetSubaccountMaxNotionalLiquidatable(
ctx sdk.Context,
subaccountId satypes.SubaccountId,
perpetualId uint32,
) (
bigMaxNotionalLiquidatable *big.Int,
err error,
)
GetSubaccountMaxInsuranceLost(
ctx sdk.Context,
subaccountId satypes.SubaccountId,
perpetualId uint32,
) (
bigMaxQuantumsInsuranceLost *big.Int,
err error,
)
GetMaxAndMinPositionNotionalLiquidatable(
ctx sdk.Context,
positionToLiquidate *satypes.PerpetualPosition,
) (
bigMinNotionalLiquidatable *big.Int,
bigMaxNotionalLiquidatable *big.Int,
err error,
)
MaybeGetLiquidationOrder(
ctx sdk.Context,
subaccountId satypes.SubaccountId,
) (
liquidationOrder *LiquidationOrder,
err error,
)
GetSubaccountLiquidationInfo(
ctx sdk.Context,
subaccountId satypes.SubaccountId,
) (
liquidationInfo SubaccountLiquidationInfo,
)
MustUpdateSubaccountPerpetualLiquidated(
ctx sdk.Context,
subaccountId satypes.SubaccountId,
perpetualId uint32,
)
UpdateSubaccountLiquidationInfo(
ctx sdk.Context,
subaccountId satypes.SubaccountId,
notionalLiquidatedQuoteQuantums *big.Int,
insuranceFundDeltaQuoteQuantums *big.Int,
)
}