0g-chain/x/cdp/abci.go
Federico Kunze bfb9f7e20a
cleanup begin/end block (#553)
* cleanup begin/end block

* update cdp BeginBlocker

* update dist mint

* fix tests

* typo

* add comment on CloseExpiredAuctions

* fix tests
2020-06-17 05:09:44 -04:00

62 lines
1.5 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)
previousDistTime, found := k.GetPreviousSavingsDistribution(ctx)
if !found {
previousDistTime = ctx.BlockTime()
k.SetPreviousSavingsDistribution(ctx, previousDistTime)
}
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.UpdateFeesForAllCdps(ctx, cp.Denom)
if err != nil {
panic(err)
}
err = k.LiquidateCdps(ctx, cp.LiquidationMarketID, cp.Denom, cp.LiquidationRatio)
if err != nil && !errors.Is(err, pricefeedtypes.ErrNoValidPrice) {
panic(err)
}
}
err := k.RunSurplusAndDebtAuctions(ctx)
if err != nil {
panic(err)
}
distTimeElapsed := sdk.NewInt(ctx.BlockTime().Unix() - previousDistTime.Unix())
if !distTimeElapsed.GTE(sdk.NewInt(int64(params.SavingsDistributionFrequency.Seconds()))) {
return
}
err = k.DistributeSavingsRate(ctx, params.DebtParam.Denom)
if err != nil {
panic(err)
}
k.SetPreviousSavingsDistribution(ctx, ctx.BlockTime())
}