mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-11-10 18:15:19 +00:00
b0932f7062
* update params * stub out methods * delete legacy migration test * feat: add infrastructure inflation and payouts * fix: load same module account blocked addrs in kavadist as app * fix: testing edge case where period starts and ends same block * fix: add store key for infra params, update newparams function * fix: testing edge case where period starts and ends in same block * add test for basic infra minting * add test for stand-alone core, partner rewards * fix: set time elapsed in each case * add e2e test for infra rewards * fix: use standard method for naming infra params key
88 lines
2.7 KiB
Go
88 lines
2.7 KiB
Go
package simulation
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import (
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"encoding/json"
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"fmt"
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"math/rand"
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"time"
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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/kava-labs/kava/x/kavadist/types"
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)
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// SecondsPerYear is the number of seconds in a year
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const (
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SecondsPerYear = 31536000
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// BaseAprPadding sets the minimum inflation to the calculated SPR inflation rate from being 0.0
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BaseAprPadding = "0.000000003022265980"
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)
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// RandomizedGenState generates a random GenesisState for kavadist module
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func RandomizedGenState(simState *module.SimulationState) {
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params := genRandomParams(simState)
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if err := params.Validate(); err != nil {
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panic(err)
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}
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kavadistGenesis := types.NewGenesisState(params, types.DefaultPreviousBlockTime)
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if err := kavadistGenesis.Validate(); err != nil {
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panic(err)
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}
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bz, err := json.MarshalIndent(&kavadistGenesis, "", " ")
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if err != nil {
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panic(err)
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}
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fmt.Printf("Selected randomly generated %s parameters:\n%s\n", types.ModuleName, bz)
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simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(kavadistGenesis)
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}
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func genRandomParams(simState *module.SimulationState) types.Params {
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periods := genRandomPeriods(simState.Rand, simState.GenTimestamp)
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params := types.NewParams(true, periods, types.DefaultInfraParams)
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return params
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}
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func genRandomPeriods(r *rand.Rand, timestamp time.Time) []types.Period {
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var periods []types.Period
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numPeriods := simulation.RandIntBetween(r, 1, 10)
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periodStart := timestamp
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for i := 0; i < numPeriods; i++ {
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// set periods to be between 1-3 days
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durationMultiplier := simulation.RandIntBetween(r, 1, 3)
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duration := time.Duration(int64(24*durationMultiplier)) * time.Hour
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periodEnd := periodStart.Add(duration)
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inflation := genRandomInflation(r)
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period := types.NewPeriod(periodStart, periodEnd, inflation)
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periods = append(periods, period)
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periodStart = periodEnd
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}
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return periods
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}
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func genRandomInflation(r *rand.Rand) sdk.Dec {
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// If sim.RandomDecAmount is less than base apr padding, add base apr padding
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aprPadding, _ := sdk.NewDecFromStr(BaseAprPadding)
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extraAprInflation := simulation.RandomDecAmount(r, sdk.MustNewDecFromStr("0.25"))
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for extraAprInflation.LT(aprPadding) {
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extraAprInflation = extraAprInflation.Add(aprPadding)
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}
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aprInflation := sdk.OneDec().Add(extraAprInflation)
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// convert APR inflation to SPR (inflation per second)
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inflationSpr, err := aprInflation.ApproxRoot(uint64(SecondsPerYear))
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if err != nil {
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panic(fmt.Sprintf("error generating random inflation %v", err))
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}
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return inflationSpr
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}
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func genRandomActive(r *rand.Rand) bool {
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threshold := 50
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value := simulation.RandIntBetween(r, 1, 100)
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return value > threshold
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}
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