147 lines
6.6 KiB
Go
147 lines
6.6 KiB
Go
package simulation
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import (
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"math/rand"
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"time"
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sdkmath "cosmossdk.io/math"
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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/types/simulation"
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"github.com/cosmos/cosmos-sdk/x/gov/types"
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v1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1"
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)
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// Simulation parameter constants
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const (
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MinDeposit = "min_deposit"
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ExpeditedMinDeposit = "expedited_min_deposit"
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DepositPeriod = "deposit_period"
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MinInitialRatio = "min_initial_ratio"
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VotingPeriod = "voting_period"
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ExpeditedVotingPeriod = "expedited_voting_period"
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Quorum = "quorum"
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Threshold = "threshold"
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ExpeditedThreshold = "expedited_threshold"
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Veto = "veto"
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ProposalCancelRate = "proposal_cancel_rate"
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MinDepositRatio = "min_deposit_ratio"
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// ExpeditedThreshold must be at least as large as the regular Threshold
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// Therefore, we use this break out point in randomization.
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tallyNonExpeditedMax = 500
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// Similarly, expedited voting period must be strictly less than the regular
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// voting period to be valid. Therefore, we use this break out point in randomization.
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expeditedMaxVotingPeriod = 60 * 60 * 24 * 2
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)
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// GenDepositPeriod returns randomized DepositPeriod
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func GenDepositPeriod(r *rand.Rand) time.Duration {
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return time.Duration(simulation.RandIntBetween(r, 1, 2*60*60*24*2)) * time.Second
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}
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// GenMinDeposit returns randomized MinDeposit
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func GenMinDeposit(r *rand.Rand, bondDenom string) sdk.Coins {
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return sdk.NewCoins(sdk.NewInt64Coin(bondDenom, int64(simulation.RandIntBetween(r, 1, 1e3/2))))
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}
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// GenExpeditedMinDeposit returns randomized ExpeditedMinDeposit
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// It is always greater than GenMinDeposit
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func GenExpeditedMinDeposit(r *rand.Rand, bondDenom string) sdk.Coins {
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return sdk.NewCoins(sdk.NewInt64Coin(bondDenom, int64(simulation.RandIntBetween(r, 1e3/2, 1e3))))
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}
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// GenDepositMinInitialDepositRatio returns randomized DepositMinInitialRatio
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func GenDepositMinInitialDepositRatio(r *rand.Rand) sdkmath.LegacyDec {
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return sdkmath.LegacyNewDec(int64(simulation.RandIntBetween(r, 0, 99))).Quo(sdkmath.LegacyNewDec(100))
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}
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// GenProposalCancelRate returns randomized ProposalCancelRate
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func GenProposalCancelRate(r *rand.Rand) sdkmath.LegacyDec {
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return sdkmath.LegacyNewDec(int64(simulation.RandIntBetween(r, 0, 99))).Quo(sdkmath.LegacyNewDec(100))
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}
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// GenVotingPeriod returns randomized VotingPeriod
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func GenVotingPeriod(r *rand.Rand) time.Duration {
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return time.Duration(simulation.RandIntBetween(r, expeditedMaxVotingPeriod, 2*expeditedMaxVotingPeriod)) * time.Second
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}
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// GenExpeditedVotingPeriod randomized ExpeditedVotingPeriod
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func GenExpeditedVotingPeriod(r *rand.Rand) time.Duration {
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return time.Duration(simulation.RandIntBetween(r, 1, expeditedMaxVotingPeriod)) * time.Second
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}
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// GenQuorum returns randomized Quorum
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func GenQuorum(r *rand.Rand) sdkmath.LegacyDec {
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return sdkmath.LegacyNewDecWithPrec(int64(simulation.RandIntBetween(r, 334, 500)), 3)
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}
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// GenThreshold returns randomized Threshold
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func GenThreshold(r *rand.Rand) sdkmath.LegacyDec {
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return sdkmath.LegacyNewDecWithPrec(int64(simulation.RandIntBetween(r, 450, tallyNonExpeditedMax+1)), 3)
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}
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// GenExpeditedThreshold randomized ExpeditedThreshold
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func GenExpeditedThreshold(r *rand.Rand) sdkmath.LegacyDec {
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return sdkmath.LegacyNewDecWithPrec(int64(simulation.RandIntBetween(r, tallyNonExpeditedMax, 550)), 3)
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}
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// GenVeto returns randomized Veto
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func GenVeto(r *rand.Rand) sdkmath.LegacyDec {
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return sdkmath.LegacyNewDecWithPrec(int64(simulation.RandIntBetween(r, 250, 334)), 3)
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}
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// GenMinDepositRatio returns randomized DepositMinRatio
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func GenMinDepositRatio(r *rand.Rand) sdkmath.LegacyDec {
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return sdkmath.LegacyMustNewDecFromStr("0.01")
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}
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// RandomizedGenState generates a random GenesisState for gov
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func RandomizedGenState(simState *module.SimulationState) {
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startingProposalID := uint64(simState.Rand.Intn(100))
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var minDeposit sdk.Coins
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simState.AppParams.GetOrGenerate(MinDeposit, &minDeposit, simState.Rand, func(r *rand.Rand) { minDeposit = GenMinDeposit(r, simState.BondDenom) })
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var expeditedMinDeposit sdk.Coins
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simState.AppParams.GetOrGenerate(ExpeditedMinDeposit, &expeditedMinDeposit, simState.Rand, func(r *rand.Rand) { expeditedMinDeposit = GenExpeditedMinDeposit(r, simState.BondDenom) })
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var depositPeriod time.Duration
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simState.AppParams.GetOrGenerate(DepositPeriod, &depositPeriod, simState.Rand, func(r *rand.Rand) { depositPeriod = GenDepositPeriod(r) })
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var minInitialDepositRatio sdkmath.LegacyDec
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simState.AppParams.GetOrGenerate(MinInitialRatio, &minInitialDepositRatio, simState.Rand, func(r *rand.Rand) { minInitialDepositRatio = GenDepositMinInitialDepositRatio(r) })
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var proposalCancelRate sdkmath.LegacyDec
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simState.AppParams.GetOrGenerate(ProposalCancelRate, &proposalCancelRate, simState.Rand, func(r *rand.Rand) { proposalCancelRate = GenProposalCancelRate(r) })
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var votingPeriod time.Duration
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simState.AppParams.GetOrGenerate(VotingPeriod, &votingPeriod, simState.Rand, func(r *rand.Rand) { votingPeriod = GenVotingPeriod(r) })
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var expeditedVotingPeriod time.Duration
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simState.AppParams.GetOrGenerate(ExpeditedVotingPeriod, &expeditedVotingPeriod, simState.Rand, func(r *rand.Rand) { expeditedVotingPeriod = GenExpeditedVotingPeriod(r) })
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var quorum sdkmath.LegacyDec
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simState.AppParams.GetOrGenerate(Quorum, &quorum, simState.Rand, func(r *rand.Rand) { quorum = GenQuorum(r) })
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var threshold sdkmath.LegacyDec
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simState.AppParams.GetOrGenerate(Threshold, &threshold, simState.Rand, func(r *rand.Rand) { threshold = GenThreshold(r) })
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var expeditedVotingThreshold sdkmath.LegacyDec
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simState.AppParams.GetOrGenerate(ExpeditedThreshold, &expeditedVotingThreshold, simState.Rand, func(r *rand.Rand) { expeditedVotingThreshold = GenExpeditedThreshold(r) })
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var veto sdkmath.LegacyDec
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simState.AppParams.GetOrGenerate(Veto, &veto, simState.Rand, func(r *rand.Rand) { veto = GenVeto(r) })
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var minDepositRatio sdkmath.LegacyDec
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simState.AppParams.GetOrGenerate(MinDepositRatio, &minDepositRatio, simState.Rand, func(r *rand.Rand) { minDepositRatio = GenMinDepositRatio(r) })
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govGenesis := v1.NewGenesisState(
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startingProposalID,
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v1.NewParams(minDeposit, expeditedMinDeposit, depositPeriod, votingPeriod, expeditedVotingPeriod, quorum.String(), threshold.String(), expeditedVotingThreshold.String(), veto.String(), minInitialDepositRatio.String(), proposalCancelRate.String(), "", simState.Rand.Intn(2) == 0, simState.Rand.Intn(2) == 0, simState.Rand.Intn(2) == 0, minDepositRatio.String()),
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)
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simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(govGenesis)
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}
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