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genesis.go
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genesis.go
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package simulation
import (
"encoding/json"
"fmt"
"math/rand"
"cosmossdk.io/math"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
minttypes "github.com/ODIN-PROTOCOL/odin-core/x/mint/types"
)
// Simulation parameter constants
const (
Inflation = "inflation"
InflationRateChange = "inflation_rate_change"
InflationMax = "inflation_max"
InflationMin = "inflation_min"
GoalBonded = "goal_bonded"
)
// GenInflation randomized Inflation
func GenInflation(r *rand.Rand) math.LegacyDec {
return math.LegacyNewDecWithPrec(int64(r.Intn(99)), 2)
}
// GenInflationRateChange randomized InflationRateChange
func GenInflationRateChange(r *rand.Rand) math.LegacyDec {
return math.LegacyNewDecWithPrec(int64(r.Intn(99)), 2)
}
// GenInflationMax randomized InflationMax
func GenInflationMax(r *rand.Rand) math.LegacyDec {
return math.LegacyNewDecWithPrec(20, 2)
}
// GenInflationMin randomized InflationMin
func GenInflationMin(r *rand.Rand) math.LegacyDec {
return math.LegacyNewDecWithPrec(7, 2)
}
// GenGoalBonded randomized GoalBonded
func GenGoalBonded(r *rand.Rand) math.LegacyDec {
return math.LegacyNewDecWithPrec(67, 2)
}
// RandomizedGenState generates a random GenesisState for mint
func RandomizedGenState(simState *module.SimulationState) {
// minter
var inflation math.LegacyDec
simState.AppParams.GetOrGenerate(
Inflation, &inflation, simState.Rand,
func(r *rand.Rand) { inflation = GenInflation(r) },
)
// params
var inflationRateChange math.LegacyDec
simState.AppParams.GetOrGenerate(
InflationRateChange, &inflationRateChange, simState.Rand,
func(r *rand.Rand) { inflationRateChange = GenInflationRateChange(r) },
)
var inflationMax math.LegacyDec
simState.AppParams.GetOrGenerate(
InflationMax, &inflationMax, simState.Rand,
func(r *rand.Rand) { inflationMax = GenInflationMax(r) },
)
var inflationMin math.LegacyDec
simState.AppParams.GetOrGenerate(
InflationMin, &inflationMin, simState.Rand,
func(r *rand.Rand) { inflationMin = GenInflationMin(r) },
)
var goalBonded math.LegacyDec
simState.AppParams.GetOrGenerate(
GoalBonded, &goalBonded, simState.Rand,
func(r *rand.Rand) { goalBonded = GenGoalBonded(r) },
)
mintDenom := sdk.DefaultBondDenom
blocksPerYear := uint64(60 * 60 * 8766 / 5)
maxWithdrawalPerTime := sdk.Coins{sdk.NewCoin("loki", math.NewInt(10))}
mintAir := false
eligibleAccountsPool := []string{"odin1cgfdwtrqfdrzh4z8rkcyx8g4jv22v8wgs39amj"}
maxAllowedMintVolume := sdk.Coins{sdk.NewCoin("minigeo", math.NewInt(100000000))}
allowedMintDenoms := []*minttypes.AllowedDenom{{TokenUnitDenom: "loki", TokenDenom: "odin"}, {TokenUnitDenom: "minigeo", TokenDenom: "geo"}}
allowedMinter := []string{"odin1cgfdwtrqfdrzh4z8rkcyx8g4jv22v8wgs39amj"}
params := minttypes.NewParams(
mintDenom,
inflationRateChange,
inflationMax,
inflationMin,
goalBonded,
maxWithdrawalPerTime,
blocksPerYear,
mintAir,
eligibleAccountsPool,
maxAllowedMintVolume,
allowedMintDenoms,
allowedMinter,
)
mintGenesis := minttypes.NewGenesisState(minttypes.InitialMinter(inflation), params, minttypes.InitialMintPool())
bz, err := json.MarshalIndent(&mintGenesis, "", " ")
if err != nil {
panic(err)
}
fmt.Printf("Selected randomly generated minting parameters:\n%s\n", bz)
simState.GenState[minttypes.ModuleName] = simState.Cdc.MustMarshalJSON(mintGenesis)
}