0g-chain/x/cdp/abci.go
Kevin Davis e4daffcaf8
fix: enforce max number of liquidations in cdp begin blocker (#849)
* fix: enforce max number of liquidations in cdp begin blocker

* address review comments
2021-02-23 12:39:39 -07:00

49 lines
1.1 KiB
Go

package cdp
import (
"errors"
sdk "github.com/cosmos/cosmos-sdk/types"
abci "github.com/tendermint/tendermint/abci/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) {
params := k.GetParams(ctx)
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)
}
err = k.SynchronizeInterestForRiskyCDPs(ctx, cp.CheckCollateralizationIndexCount, sdk.MaxSortableDec, cp.Type)
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)
}
}