0g-chain/x/hard/simulation/genesis.go

package simulation

import (
	"fmt"

	"github.com/cosmos/cosmos-sdk/codec"
	"github.com/cosmos/cosmos-sdk/types/module"

	"github.com/kava-labs/kava/x/hard/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 hard module
func RandomizedGenState(simState *module.SimulationState) {
	// params := genRandomParams(simState)
	// if err := params.Validate(); err != nil {
	// 	panic(err)
	// }

	hardGenesis := types.DefaultGenesisState()
	if err := hardGenesis.Validate(); err != nil {
		panic(err)
	}

	fmt.Printf("Selected randomly generated %s parameters:\n%s\n", types.ModuleName, codec.MustMarshalJSONIndent(simState.Cdc, hardGenesis))
	simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(hardGenesis)
}

// 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
// }