81 lines
2.6 KiB
Go
81 lines
2.6 KiB
Go
package simulation
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// DONTCOVER
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import (
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"fmt"
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"math/rand"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/module"
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"github.com/cosmos/cosmos-sdk/x/distribution/types"
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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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BaseProposerReward = "base_proposer_reward"
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BonusProposerReward = "bonus_proposer_reward"
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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) sdk.Dec {
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return sdk.NewDecWithPrec(1, 2).Add(sdk.NewDecWithPrec(int64(r.Intn(30)), 2))
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}
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// GenBaseProposerReward randomized BaseProposerReward
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func GenBaseProposerReward(r *rand.Rand) sdk.Dec {
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return sdk.NewDecWithPrec(1, 2).Add(sdk.NewDecWithPrec(int64(r.Intn(30)), 2))
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}
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// GenBonusProposerReward randomized BonusProposerReward
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func GenBonusProposerReward(r *rand.Rand) sdk.Dec {
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return sdk.NewDecWithPrec(1, 2).Add(sdk.NewDecWithPrec(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 sdk.Dec
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simState.AppParams.GetOrGenerate(
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simState.Cdc, CommunityTax, &communityTax, simState.Rand,
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func(r *rand.Rand) { communityTax = GenCommunityTax(r) },
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)
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var baseProposerReward sdk.Dec
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simState.AppParams.GetOrGenerate(
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simState.Cdc, BaseProposerReward, &baseProposerReward, simState.Rand,
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func(r *rand.Rand) { baseProposerReward = GenBaseProposerReward(r) },
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)
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var bonusProposerReward sdk.Dec
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simState.AppParams.GetOrGenerate(
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simState.Cdc, BonusProposerReward, &bonusProposerReward, simState.Rand,
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func(r *rand.Rand) { bonusProposerReward = GenBonusProposerReward(r) },
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)
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var withdrawEnabled bool
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simState.AppParams.GetOrGenerate(
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simState.Cdc, WithdrawEnabled, &withdrawEnabled, simState.Rand,
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func(r *rand.Rand) { withdrawEnabled = GenWithdrawEnabled(r) },
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)
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distrGenesis := types.GenesisState{
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FeePool: types.InitialFeePool(),
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CommunityTax: communityTax,
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BaseProposerReward: baseProposerReward,
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BonusProposerReward: bonusProposerReward,
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WithdrawAddrEnabled: withdrawEnabled,
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}
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fmt.Printf("Selected randomly generated distribution parameters:\n%s\n", codec.MustMarshalJSONIndent(simState.Cdc, distrGenesis))
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simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(distrGenesis)
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}
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