cosmos-sdk/x/slashing/simulation/genesis.go
Jacob Gadikian cb31043d35
chore: math lib update and type fixes (#12791)
## Description

Upgrades the math library in the repo root and find/replaces many usages of sdk.Dec, sdk.ZeroDec, sdk.OneDec, sdk.NewDec with their legacy-ified-math-lib replacements.

Note for review: I assume that I did not find 100% of usages

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/main/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)
2022-08-02 11:16:40 +00:00

98 lines
3.2 KiB
Go

package simulation
// DONTCOVER
import (
"encoding/json"
"fmt"
"math/rand"
"time"
"cosmossdk.io/math"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
"github.com/cosmos/cosmos-sdk/types/simulation"
"github.com/cosmos/cosmos-sdk/x/slashing/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) math.LegacyDec {
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) math.LegacyDec {
return math.LegacyNewDec(1).Quo(math.LegacyNewDec(int64(r.Intn(50) + 1)))
}
// GenSlashFractionDowntime randomized SlashFractionDowntime
func GenSlashFractionDowntime(r *rand.Rand) math.LegacyDec {
return math.LegacyNewDec(1).Quo(math.LegacyNewDec(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(
signedBlocksWindow, minSignedPerWindow, downtimeJailDuration,
slashFractionDoubleSign, slashFractionDowntime,
)
slashingGenesis := types.NewGenesisState(params, []types.SigningInfo{}, []types.ValidatorMissedBlocks{})
bz, err := json.MarshalIndent(&slashingGenesis, "", " ")
if err != nil {
panic(err)
}
fmt.Printf("Selected randomly generated slashing parameters:\n%s\n", bz)
simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(slashingGenesis)
}