package cdp import ( "errors" "fmt" "time" "github.com/cosmos/cosmos-sdk/telemetry" sdk "github.com/cosmos/cosmos-sdk/types" abci "github.com/cometbft/cometbft/abci/types" "github.com/kava-labs/kava/x/cdp/keeper" "github.com/kava-labs/kava/x/cdp/types" pricefeedtypes "github.com/kava-labs/kava/x/pricefeed/types" ) // BeginBlocker compounds the debt in outstanding cdps and liquidates cdps that are below the required collateralization ratio func BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock, k keeper.Keeper) { defer telemetry.ModuleMeasureSince(types.ModuleName, time.Now(), telemetry.MetricKeyBeginBlocker) params := k.GetParams(ctx) // only run CDP liquidations every `LiquidationBlockInterval` blocks skipSyncronizeAndLiquidations := ctx.BlockHeight()%params.LiquidationBlockInterval != 0 for _, cp := range params.CollateralParams { ok := k.UpdatePricefeedStatus(ctx, cp.SpotMarketID) if !ok { continue } ok = k.UpdatePricefeedStatus(ctx, cp.LiquidationMarketID) if !ok { continue } err := k.AccumulateInterest(ctx, cp.Type) if err != nil { panic(err) } if skipSyncronizeAndLiquidations { ctx.Logger().Debug(fmt.Sprintf("skipping x/cdp SynchronizeInterestForRiskyCDPs and LiquidateCdps for %s", cp.Type)) continue } ctx.Logger().Debug(fmt.Sprintf("running x/cdp SynchronizeInterestForRiskyCDPs and LiquidateCdps for %s", cp.Type)) err = k.SynchronizeInterestForRiskyCDPs(ctx, sdk.MaxSortableDec, cp) if err != nil { panic(err) } err = k.LiquidateCdps(ctx, cp.LiquidationMarketID, cp.Type, cp.LiquidationRatio, cp.CheckCollateralizationIndexCount) if err != nil && !errors.Is(err, pricefeedtypes.ErrNoValidPrice) { panic(err) } } err := k.RunSurplusAndDebtAuctions(ctx) if err != nil { panic(err) } }