53 lines
1.5 KiB
Go
53 lines
1.5 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/distribution/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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CommunityTax = "community_tax"
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WithdrawEnabled = "withdraw_enabled"
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)
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// GenCommunityTax randomized CommunityTax
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func GenCommunityTax(r *rand.Rand) math.LegacyDec {
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return math.LegacyNewDecWithPrec(1, 2).Add(math.LegacyNewDecWithPrec(int64(r.Intn(30)), 2))
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}
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// GenWithdrawEnabled returns a randomized WithdrawEnabled parameter.
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func GenWithdrawEnabled(r *rand.Rand) bool {
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return r.Int63n(101) <= 95 // 95% chance of withdraws being enabled
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}
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// RandomizedGenState generates a random GenesisState for distribution
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func RandomizedGenState(simState *module.SimulationState) {
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var communityTax math.LegacyDec
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simState.AppParams.GetOrGenerate(CommunityTax, &communityTax, simState.Rand, func(r *rand.Rand) { communityTax = GenCommunityTax(r) })
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var withdrawEnabled bool
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simState.AppParams.GetOrGenerate(WithdrawEnabled, &withdrawEnabled, simState.Rand, func(r *rand.Rand) { withdrawEnabled = GenWithdrawEnabled(r) })
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distrGenesis := types.GenesisState{
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FeePool: types.InitialFeePool(),
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Params: types.Params{
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CommunityTax: communityTax,
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WithdrawAddrEnabled: withdrawEnabled,
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},
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}
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bz, err := json.MarshalIndent(&distrGenesis, "", " ")
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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 distribution parameters:\n%s\n", bz)
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simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(&distrGenesis)
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}
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