94 lines
3.1 KiB
Go
94 lines
3.1 KiB
Go
package simulation
|
|
|
|
// DONTCOVER
|
|
|
|
import (
|
|
"fmt"
|
|
"math/rand"
|
|
"time"
|
|
|
|
"github.com/cosmos/cosmos-sdk/codec"
|
|
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
"github.com/cosmos/cosmos-sdk/types/module"
|
|
"github.com/cosmos/cosmos-sdk/x/simulation"
|
|
"github.com/cosmos/cosmos-sdk/x/slashing/internal/types"
|
|
)
|
|
|
|
// 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"
|
|
)
|
|
|
|
// 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)))
|
|
}
|
|
|
|
// 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) },
|
|
)
|
|
|
|
params := types.NewParams(
|
|
simState.UnbondTime, signedBlocksWindow, minSignedPerWindow,
|
|
downtimeJailDuration, slashFractionDoubleSign, slashFractionDowntime,
|
|
)
|
|
|
|
slashingGenesis := types.NewGenesisState(params, nil, nil)
|
|
|
|
fmt.Printf("Selected randomly generated slashing parameters:\n%s\n", codec.MustMarshalJSONIndent(simState.Cdc, slashingGenesis.Params))
|
|
simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(slashingGenesis)
|
|
}
|