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genesis.go
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genesis.go
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package simulation
// DONTCOVER
import (
"fmt"
"math/rand"
"time"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/maticnetwork/heimdall/slashing/types"
"github.com/maticnetwork/heimdall/types/module"
"github.com/maticnetwork/heimdall/types/simulation"
)
// Simulation parameter constants
const (
SignedBlocksWindow = "signed_blocks_window"
MinSignedPerWindow = "min_signed_per_window"
DowntimeJailDuration = "downtime_jail_duration"
SlashFractionDoubleSign = "slash_fraction_double_sign"
SlashFractionDowntime = "slash_fraction_downtime"
SlashFractionLimit = "slash_fraction_limit"
JailFractionLimit = "jail_fraction_limit"
MaxEvidenceAge = "max_evidence_age"
)
// GenSignedBlocksWindow randomized SignedBlocksWindow
func GenSignedBlocksWindow(r *rand.Rand) int64 {
return int64(simulation.RandIntBetween(r, 10, 1000))
}
// GenMinSignedPerWindow randomized MinSignedPerWindow
func GenMinSignedPerWindow(r *rand.Rand) sdk.Dec {
return sdk.NewDecWithPrec(int64(r.Intn(10)), 1)
}
// GenDowntimeJailDuration randomized DowntimeJailDuration
func GenDowntimeJailDuration(r *rand.Rand) time.Duration {
return time.Duration(simulation.RandIntBetween(r, 60, 60*60*24)) * time.Second
}
// GenSlashFractionDoubleSign randomized SlashFractionDoubleSign
func GenSlashFractionDoubleSign(r *rand.Rand) sdk.Dec {
return sdk.NewDec(1).Quo(sdk.NewDec(int64(r.Intn(50) + 1)))
}
// GenSlashFractionDowntime randomized SlashFractionDowntime
func GenSlashFractionDowntime(r *rand.Rand) sdk.Dec {
return sdk.NewDec(1).Quo(sdk.NewDec(int64(r.Intn(200) + 1)))
}
// GenSlashFractionLimit randomized SlashFractionLimit
func GenSlashFractionLimit(r *rand.Rand) sdk.Dec {
return sdk.NewDec(1).Quo(sdk.NewDec(int64(r.Intn(200) + 1)))
}
// GenJailFractionLimit randomized JailFractionLimit
func GenJailFractionLimit(r *rand.Rand) sdk.Dec {
return sdk.NewDec(1).Quo(sdk.NewDec(int64(r.Intn(200) + 1)))
}
// GenMaxEvidenceAge randomized MaxEvidenceAge
func GenMaxEvidenceAge(r *rand.Rand) time.Duration {
return time.Duration(simulation.RandIntBetween(r, 60, 60*60*24)) * time.Second
}
// GenMaxEvidenceAge randomized MaxEvidenceAge
func GenEnableslashing(r *rand.Rand) bool {
return (r.Intn(200)%10 == 0)
}
// RandomizedGenState generates a random GenesisState for slashing
func RandomizedGenState(simState *module.SimulationState) {
var signedBlocksWindow int64
simState.AppParams.GetOrGenerate(
simState.Cdc, SignedBlocksWindow, &signedBlocksWindow, simState.Rand,
func(r *rand.Rand) { signedBlocksWindow = GenSignedBlocksWindow(r) },
)
var minSignedPerWindow sdk.Dec
simState.AppParams.GetOrGenerate(
simState.Cdc, MinSignedPerWindow, &minSignedPerWindow, simState.Rand,
func(r *rand.Rand) { minSignedPerWindow = GenMinSignedPerWindow(r) },
)
var downtimeJailDuration time.Duration
simState.AppParams.GetOrGenerate(
simState.Cdc, DowntimeJailDuration, &downtimeJailDuration, simState.Rand,
func(r *rand.Rand) { downtimeJailDuration = GenDowntimeJailDuration(r) },
)
var slashFractionDoubleSign sdk.Dec
simState.AppParams.GetOrGenerate(
simState.Cdc, SlashFractionDoubleSign, &slashFractionDoubleSign, simState.Rand,
func(r *rand.Rand) { slashFractionDoubleSign = GenSlashFractionDoubleSign(r) },
)
var slashFractionDowntime sdk.Dec
simState.AppParams.GetOrGenerate(
simState.Cdc, SlashFractionDowntime, &slashFractionDowntime, simState.Rand,
func(r *rand.Rand) { slashFractionDowntime = GenSlashFractionDowntime(r) },
)
var slashFractionLimit sdk.Dec
simState.AppParams.GetOrGenerate(
simState.Cdc, SlashFractionLimit, &slashFractionLimit, simState.Rand,
func(r *rand.Rand) { slashFractionLimit = GenSlashFractionLimit(r) },
)
var jailFractionLimit sdk.Dec
simState.AppParams.GetOrGenerate(
simState.Cdc, JailFractionLimit, &jailFractionLimit, simState.Rand,
func(r *rand.Rand) { jailFractionLimit = GenJailFractionLimit(r) },
)
var maxEvidenceAge time.Duration
simState.AppParams.GetOrGenerate(
simState.Cdc, MaxEvidenceAge, &maxEvidenceAge, simState.Rand,
func(r *rand.Rand) { maxEvidenceAge = GenMaxEvidenceAge(r) },
)
var enableSlashing bool
simState.AppParams.GetOrGenerate(
simState.Cdc, MaxEvidenceAge, &maxEvidenceAge, simState.Rand,
func(r *rand.Rand) { enableSlashing = GenEnableslashing(r) },
)
params := types.NewParams(
signedBlocksWindow, minSignedPerWindow, downtimeJailDuration,
slashFractionDoubleSign, slashFractionDowntime, slashFractionLimit, jailFractionLimit, maxEvidenceAge, enableSlashing,
)
slashingGenesis := types.NewGenesisState(params, nil, nil, nil, nil, uint64(0))
fmt.Printf("Selected randomly generated slashing parameters:\n%s\n", codec.MustMarshalJSONIndent(simState.Cdc, slashingGenesis.Params))
simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(slashingGenesis)
}