/
genesis.go
142 lines (120 loc) · 4.38 KB
/
genesis.go
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package simulation
// DONTCOVER
import (
"encoding/json"
"fmt"
"math/rand"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
core "github.com/classic-terra/core/types"
"github.com/classic-terra/core/x/treasury/types"
)
// Simulation parameter constants
const (
taxPolicyKey = "tax_policy"
rewardPolicyKey = "reward_policy"
seigniorageBurdenTargetKey = "seigniorage_burden_target"
miningIncrementKey = "mining_increment"
windowShortKey = "window_short"
windowLongKey = "window_long"
windowProbationKey = "window_probation"
)
// GenTaxPolicy randomized TaxPolicy
func GenTaxPolicy(r *rand.Rand) types.PolicyConstraints {
return types.PolicyConstraints{
RateMin: sdk.NewDecWithPrec(int64(r.Intn(5)+1), 3),
RateMax: sdk.NewDecWithPrec(6, 3).Add(sdk.NewDecWithPrec(int64(r.Intn(5)+1), 3)),
Cap: sdk.NewInt64Coin(core.MicroSDRDenom, 1000000),
ChangeRateMax: sdk.NewDecWithPrec(25, 5).Add(sdk.NewDecWithPrec(int64(r.Intn(75)), 5)),
}
}
// GenRewardPolicy randomized RewardPolicy
func GenRewardPolicy(r *rand.Rand) types.PolicyConstraints {
return types.PolicyConstraints{
RateMin: sdk.NewDecWithPrec(int64(r.Intn(5)+1), 3),
RateMax: sdk.NewDecWithPrec(6, 3).Add(sdk.NewDecWithPrec(int64(r.Intn(5)+1), 3)),
Cap: sdk.NewCoin("unused", sdk.ZeroInt()),
ChangeRateMax: sdk.NewDecWithPrec(25, 5).Add(sdk.NewDecWithPrec(int64(r.Intn(75)), 5)),
}
}
// GenSeigniorageBurdenTarget randomized SeigniorageBurdenTarget
func GenSeigniorageBurdenTarget(r *rand.Rand) sdk.Dec {
return sdk.NewDecWithPrec(int64(r.Intn(100)), 2)
}
// GenMiningIncrement randomized MiningIncrement
func GenMiningIncrement(r *rand.Rand) sdk.Dec {
return sdk.NewDecWithPrec(int64(100+r.Intn(30)), 2)
}
// GenWindowShort randomized WindowShort
func GenWindowShort(r *rand.Rand) uint64 {
return uint64(1 + r.Intn(12))
}
// GenWindowLong randomized WindowLong
func GenWindowLong(r *rand.Rand) uint64 {
return uint64(12 + r.Intn(24))
}
// GenWindowProbation randomized WindowProbation
func GenWindowProbation(r *rand.Rand) uint64 {
return uint64(1 + r.Intn(6))
}
// RandomizedGenState generates a random GenesisState for gov
func RandomizedGenState(simState *module.SimulationState) {
var taxPolicy types.PolicyConstraints
simState.AppParams.GetOrGenerate(
simState.Cdc, taxPolicyKey, &taxPolicy, simState.Rand,
func(r *rand.Rand) { taxPolicy = GenTaxPolicy(r) },
)
var rewardPolicy types.PolicyConstraints
simState.AppParams.GetOrGenerate(
simState.Cdc, rewardPolicyKey, &rewardPolicy, simState.Rand,
func(r *rand.Rand) { rewardPolicy = GenRewardPolicy(r) },
)
var seigniorageBurdenTarget sdk.Dec
simState.AppParams.GetOrGenerate(
simState.Cdc, seigniorageBurdenTargetKey, &seigniorageBurdenTarget, simState.Rand,
func(r *rand.Rand) { seigniorageBurdenTarget = GenSeigniorageBurdenTarget(r) },
)
var miningIncrement sdk.Dec
simState.AppParams.GetOrGenerate(
simState.Cdc, miningIncrementKey, &miningIncrement, simState.Rand,
func(r *rand.Rand) { miningIncrement = GenMiningIncrement(r) },
)
var windowShort uint64
simState.AppParams.GetOrGenerate(
simState.Cdc, windowShortKey, &windowShort, simState.Rand,
func(r *rand.Rand) { windowShort = GenWindowShort(r) },
)
var windowLong uint64
simState.AppParams.GetOrGenerate(
simState.Cdc, windowLongKey, &windowLong, simState.Rand,
func(r *rand.Rand) { windowLong = GenWindowLong(r) },
)
var windowProbation uint64
simState.AppParams.GetOrGenerate(
simState.Cdc, windowProbationKey, &windowProbation, simState.Rand,
func(r *rand.Rand) { windowProbation = GenWindowProbation(r) },
)
treasuryGenesis := types.NewGenesisState(
types.Params{
TaxPolicy: taxPolicy,
RewardPolicy: rewardPolicy,
SeigniorageBurdenTarget: seigniorageBurdenTarget,
MiningIncrement: miningIncrement,
WindowShort: windowShort,
WindowLong: windowLong,
WindowProbation: windowProbation,
},
taxPolicy.RateMin,
rewardPolicy.RateMin,
[]types.TaxCap{},
sdk.Coins{},
sdk.Coins{},
[]types.EpochState{},
)
bz, err := json.MarshalIndent(&treasuryGenesis.Params, "", " ")
if err != nil {
panic(err)
}
fmt.Printf("Selected randomly generated market parameters:\n%s\n", bz)
simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(treasuryGenesis)
}