package keeper import ( "fmt" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/kava-labs/kava/x/cdp/types" ) // GetParams returns the params from the store func (k Keeper) GetParams(ctx sdk.Context) types.Params { var p types.Params k.paramSubspace.GetParamSet(ctx, &p) return p } // SetParams sets params on the store func (k Keeper) SetParams(ctx sdk.Context, params types.Params) { k.paramSubspace.SetParamSet(ctx, ¶ms) } // GetCollateral returns the collateral param with corresponding denom func (k Keeper) GetCollateral(ctx sdk.Context, denom string) (types.CollateralParam, bool) { params := k.GetParams(ctx) for _, cp := range params.CollateralParams { if cp.Denom == denom { return cp, true } } return types.CollateralParam{}, false } // GetDebtParam returns the debt param with matching denom func (k Keeper) GetDebtParam(ctx sdk.Context, denom string) (types.DebtParam, bool) { dp := k.GetParams(ctx).DebtParam if dp.Denom == denom { return dp, true } return types.DebtParam{}, false } // GetDenomPrefix returns the prefix of the matching denom func (k Keeper) GetDenomPrefix(ctx sdk.Context, denom string) (byte, bool) { params := k.GetParams(ctx) for _, cp := range params.CollateralParams { if cp.Denom == denom { return cp.Prefix, true } } return 0x00, false } // private methods assume collateral has been validated, panic if the input is invalid func (k Keeper) getDenomFromByte(ctx sdk.Context, db byte) string { params := k.GetParams(ctx) for _, cp := range params.CollateralParams { if cp.Prefix == db { return cp.Denom } } panic(fmt.Sprintf("no collateral denom with prefix %b", db)) } func (k Keeper) getMarketID(ctx sdk.Context, denom string) string { cp, found := k.GetCollateral(ctx, denom) if !found { panic(fmt.Sprintf("collateral not found: %s", denom)) } return cp.MarketID } func (k Keeper) getLiquidationRatio(ctx sdk.Context, denom string) sdk.Dec { cp, found := k.GetCollateral(ctx, denom) if !found { panic(fmt.Sprintf("collateral not found: %s", denom)) } return cp.LiquidationRatio } func (k Keeper) getLiquidationPenalty(ctx sdk.Context, denom string) sdk.Dec { cp, found := k.GetCollateral(ctx, denom) if !found { panic(fmt.Sprintf("collateral not found: %s", denom)) } return cp.LiquidationPenalty } func (k Keeper) getAuctionSize(ctx sdk.Context, denom string) sdk.Int { cp, found := k.GetCollateral(ctx, denom) if !found { panic(fmt.Sprintf("collateral not found: %s", denom)) } return cp.AuctionSize } // GetFeeRate returns the per second fee rate for the input denom func (k Keeper) getFeeRate(ctx sdk.Context, denom string) (fee sdk.Dec) { collalateralParam, found := k.GetCollateral(ctx, denom) if !found { panic(fmt.Sprintf("could not get fee rate for %s, collateral not found", denom)) } return collalateralParam.StabilityFee }