package simulation import ( "fmt" "github.com/cosmos/cosmos-sdk/codec" "github.com/cosmos/cosmos-sdk/types/module" "github.com/kava-labs/kava/x/harvest/types" ) // SecondsPerYear is the number of seconds in a year const ( SecondsPerYear = 31536000 // BaseAprPadding sets the minimum inflation to the calculated SPR inflation rate from being 0.0 BaseAprPadding = "0.000000003022265980" ) // RandomizedGenState generates a random GenesisState for harvest module func RandomizedGenState(simState *module.SimulationState) { // params := genRandomParams(simState) // if err := params.Validate(); err != nil { // panic(err) // } harvestGenesis := types.DefaultGenesisState() if err := harvestGenesis.Validate(); err != nil { panic(err) } fmt.Printf("Selected randomly generated %s parameters:\n%s\n", types.ModuleName, codec.MustMarshalJSONIndent(simState.Cdc, harvestGenesis)) simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(harvestGenesis) } // func genRandomParams(simState *module.SimulationState) types.Params { // periods := genRandomPeriods(simState.Rand, simState.GenTimestamp) // params := types.NewParams(true, periods) // return params // } // func genRandomPeriods(r *rand.Rand, timestamp time.Time) types.Periods { // var periods types.Periods // numPeriods := simulation.RandIntBetween(r, 1, 10) // periodStart := timestamp // for i := 0; i < numPeriods; i++ { // // set periods to be between 1-3 days // durationMultiplier := simulation.RandIntBetween(r, 1, 3) // duration := time.Duration(int64(24*durationMultiplier)) * time.Hour // periodEnd := periodStart.Add(duration) // inflation := genRandomInflation(r) // period := types.NewPeriod(periodStart, periodEnd, inflation) // periods = append(periods, period) // periodStart = periodEnd // } // return periods // } // func genRandomInflation(r *rand.Rand) sdk.Dec { // // If sim.RandomDecAmount is less than base apr padding, add base apr padding // aprPadding, _ := sdk.NewDecFromStr(BaseAprPadding) // extraAprInflation := simulation.RandomDecAmount(r, sdk.MustNewDecFromStr("0.25")) // for extraAprInflation.LT(aprPadding) { // extraAprInflation = extraAprInflation.Add(aprPadding) // } // aprInflation := sdk.OneDec().Add(extraAprInflation) // // convert APR inflation to SPR (inflation per second) // inflationSpr, err := aprInflation.ApproxRoot(uint64(SecondsPerYear)) // if err != nil { // panic(fmt.Sprintf("error generating random inflation %v", err)) // } // return inflationSpr // } // func genRandomActive(r *rand.Rand) bool { // threshold := 50 // value := simulation.RandIntBetween(r, 1, 100) // return value > threshold // }