80 lines
2.6 KiB
Go
80 lines
2.6 KiB
Go
package simulation
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import (
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"encoding/json"
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"fmt"
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"math/rand"
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"cosmossdk.io/math"
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"cosmossdk.io/x/mint/types"
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"github.com/cosmos/cosmos-sdk/types/module"
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)
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// Simulation parameter constants
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const (
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Inflation = "inflation"
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InflationRateChange = "inflation_rate_change"
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InflationMax = "inflation_max"
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InflationMin = "inflation_min"
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GoalBonded = "goal_bonded"
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)
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// GenInflation randomized Inflation
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func GenInflation(r *rand.Rand) math.LegacyDec {
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return math.LegacyNewDecWithPrec(int64(r.Intn(99)), 2)
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}
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// GenInflationRateChange randomized InflationRateChange
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func GenInflationRateChange(r *rand.Rand) math.LegacyDec {
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return math.LegacyNewDecWithPrec(int64(r.Intn(99)), 2)
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}
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// GenInflationMax randomized InflationMax
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func GenInflationMax(r *rand.Rand) math.LegacyDec {
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return math.LegacyNewDecWithPrec(20, 2)
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}
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// GenInflationMin randomized InflationMin
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func GenInflationMin(r *rand.Rand) math.LegacyDec {
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return math.LegacyNewDecWithPrec(7, 2)
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}
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// GenGoalBonded randomized GoalBonded
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func GenGoalBonded(r *rand.Rand) math.LegacyDec {
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return math.LegacyNewDecWithPrec(67, 2)
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}
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// RandomizedGenState generates a random GenesisState for mint
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func RandomizedGenState(simState *module.SimulationState) {
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// minter
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var inflation math.LegacyDec
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simState.AppParams.GetOrGenerate(Inflation, &inflation, simState.Rand, func(r *rand.Rand) { inflation = GenInflation(r) })
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// params
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var inflationRateChange math.LegacyDec
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simState.AppParams.GetOrGenerate(InflationRateChange, &inflationRateChange, simState.Rand, func(r *rand.Rand) { inflationRateChange = GenInflationRateChange(r) })
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var inflationMax math.LegacyDec
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simState.AppParams.GetOrGenerate(InflationMax, &inflationMax, simState.Rand, func(r *rand.Rand) { inflationMax = GenInflationMax(r) })
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var inflationMin math.LegacyDec
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simState.AppParams.GetOrGenerate(InflationMin, &inflationMin, simState.Rand, func(r *rand.Rand) { inflationMin = GenInflationMin(r) })
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var goalBonded math.LegacyDec
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simState.AppParams.GetOrGenerate(GoalBonded, &goalBonded, simState.Rand, func(r *rand.Rand) { goalBonded = GenGoalBonded(r) })
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mintDenom := simState.BondDenom
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blocksPerYear := uint64(60 * 60 * 8766 / 5)
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params := types.NewParams(mintDenom, inflationRateChange, inflationMax, inflationMin, goalBonded, blocksPerYear, math.ZeroInt())
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mintGenesis := types.NewGenesisState(types.InitialMinter(inflation), params)
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bz, err := json.MarshalIndent(&mintGenesis, "", " ")
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if err != nil {
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panic(err)
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}
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fmt.Printf("Selected randomly generated minting parameters:\n%s\n", bz)
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simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(mintGenesis)
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}
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