Incentive module simulations (#439)

* Incentive module simulations (#439)
Co-authored-by: John Maheswaran <jmaheswaran@users.noreply.github.com>
Co-authored-by: Kevin Davis <karzak@users.noreply.github.com>
Co-authored-by: Kevin Davis <kjydavis3@gmail.com>
Co-authored-by: John Maheswaran <john@kava.io>
This commit is contained in:
Denali Marsh 2020-04-24 14:55:18 -07:00 committed by GitHub
parent e9a73b80ce
commit b969a0ea33
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 448 additions and 53 deletions

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@ -333,7 +333,7 @@ func NewApp(logger log.Logger, db dbm.DB, traceStore io.Writer, loadLatest bool,
pricefeed.NewAppModule(app.pricefeedKeeper, app.accountKeeper),
bep3.NewAppModule(app.bep3Keeper, app.accountKeeper, app.supplyKeeper),
kavadist.NewAppModule(app.kavadistKeeper, app.supplyKeeper),
incentive.NewAppModule(app.incentiveKeeper, app.supplyKeeper),
incentive.NewAppModule(app.incentiveKeeper, app.accountKeeper, app.supplyKeeper),
)
// During begin block slashing happens after distr.BeginBlocker so that
@ -376,7 +376,7 @@ func NewApp(logger log.Logger, db dbm.DB, traceStore io.Writer, loadLatest bool,
auction.NewAppModule(app.auctionKeeper, app.accountKeeper, app.supplyKeeper),
bep3.NewAppModule(app.bep3Keeper, app.accountKeeper, app.supplyKeeper),
kavadist.NewAppModule(app.kavadistKeeper, app.supplyKeeper),
incentive.NewAppModule(app.incentiveKeeper, app.supplyKeeper),
incentive.NewAppModule(app.incentiveKeeper, app.accountKeeper, app.supplyKeeper),
)
app.sm.RegisterStoreDecoders()

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@ -12,4 +12,5 @@ const (
DefaultWeightMsgCreateAtomicSwap int = 100
DefaultWeightMsgUpdatePrices int = 100
DefaultWeightMsgCdp int = 100
DefaultWeightMsgClaimReward int = 100
)

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@ -284,4 +284,4 @@ func TestAppStateDeterminism(t *testing.T) {
)
}
}
}
}

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@ -1,5 +0,0 @@
#!/bin/bash
for i in {1..10}; do
go test ./app -run TestAppStateDeterminism -Enabled -Commit -NumBlocks=100 -BlockSize=200 -Seed ${i} -v -timeout 24h
done

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@ -32,6 +32,7 @@ func RandomizedGenState(simState *module.SimulationState) {
sdk.NewCoin("xrp", sdk.NewInt(int64(simState.Rand.Intn(100000000000)))),
sdk.NewCoin("btc", sdk.NewInt(int64(simState.Rand.Intn(500000000)))),
sdk.NewCoin("usdx", sdk.NewInt(int64(simState.Rand.Intn(1000000000)))),
sdk.NewCoin("ukava", sdk.NewInt(int64(simState.Rand.Intn(500000000000)))),
)
err := acc.SetCoins(acc.GetCoins().Add(coinsToAdd...))
if err != nil {

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@ -8,6 +8,7 @@ import (
"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/auth"
sim "github.com/cosmos/cosmos-sdk/x/simulation"
"github.com/gorilla/mux"
"github.com/kava-labs/kava/x/incentive/client/cli"
@ -90,23 +91,25 @@ func (AppModuleBasic) ProposalContents(_ module.SimulationState) []sim.WeightedP
}
// WeightedOperations returns the all the bep3 module operations with their respective weights.
func (am AppModule) WeightedOperations(_ module.SimulationState) []sim.WeightedOperation {
return nil
func (am AppModule) WeightedOperations(simState module.SimulationState) []sim.WeightedOperation {
return simulation.WeightedOperations(simState.AppParams, simState.Cdc, am.accountKeeper, am.supplyKeeper, am.keeper)
}
// AppModule implements the sdk.AppModule interface.
type AppModule struct {
AppModuleBasic
keeper keeper.Keeper
supplyKeeper types.SupplyKeeper
keeper Keeper
accountKeeper auth.AccountKeeper
supplyKeeper SupplyKeeper
}
// NewAppModule creates a new AppModule object
func NewAppModule(keeper keeper.Keeper, supplyKeeper types.SupplyKeeper) AppModule {
func NewAppModule(keeper Keeper, accountKeeper auth.AccountKeeper, supplyKeeper SupplyKeeper) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: keeper,
accountKeeper: accountKeeper,
supplyKeeper: supplyKeeper,
}
}

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@ -1,12 +1,50 @@
package simulation
import (
"bytes"
"encoding/binary"
"fmt"
"time"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/tendermint/tendermint/libs/kv"
"github.com/kava-labs/kava/x/incentive/types"
)
// DecodeStore unmarshals the KVPair's Value to the corresponding incentive type
// DecodeStore unmarshals the KVPair's Value to the module's corresponding type
func DecodeStore(cdc *codec.Codec, kvA, kvB kv.Pair) string {
// TODO implement this
return ""
switch {
case bytes.Equal(kvA.Key[:1], types.RewardPeriodKeyPrefix):
var rewardPeriodA, rewardPeriodB types.RewardPeriod
cdc.MustUnmarshalBinaryLengthPrefixed(kvA.Value, &rewardPeriodA)
cdc.MustUnmarshalBinaryLengthPrefixed(kvB.Value, &rewardPeriodB)
return fmt.Sprintf("%v\n%v", rewardPeriodA, rewardPeriodB)
case bytes.Equal(kvA.Key[:1], types.ClaimPeriodKeyPrefix):
var claimPeriodA, claimPeriodB types.ClaimPeriod
cdc.MustUnmarshalBinaryLengthPrefixed(kvA.Value, &claimPeriodA)
cdc.MustUnmarshalBinaryLengthPrefixed(kvB.Value, &claimPeriodB)
return fmt.Sprintf("%v\n%v", claimPeriodA, claimPeriodB)
case bytes.Equal(kvA.Key[:1], types.ClaimKeyPrefix):
var claimA, claimB types.Claim
cdc.MustUnmarshalBinaryLengthPrefixed(kvA.Value, &claimA)
cdc.MustUnmarshalBinaryLengthPrefixed(kvB.Value, &claimB)
return fmt.Sprintf("%v\n%v", claimA, claimB)
case bytes.Equal(kvA.Key[:1], types.NextClaimPeriodIDPrefix):
claimPeriodIDA := binary.BigEndian.Uint64(kvA.Value)
claimPeriodIDB := binary.BigEndian.Uint64(kvB.Value)
return fmt.Sprintf("%d\n%d", claimPeriodIDA, claimPeriodIDB)
case bytes.Equal(kvA.Key[:1], types.PreviousBlockTimeKey):
var timeA, timeB time.Time
cdc.MustUnmarshalBinaryLengthPrefixed(kvA.Value, &timeA)
cdc.MustUnmarshalBinaryLengthPrefixed(kvB.Value, &timeB)
return fmt.Sprintf("%s\n%s", timeA, timeB)
default:
panic(fmt.Sprintf("invalid %s key prefix %X", types.ModuleName, kvA.Key[:1]))
}
}

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@ -0,0 +1,65 @@
package simulation
import (
"fmt"
"testing"
"time"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/stretchr/testify/require"
"github.com/tendermint/tendermint/libs/kv"
"github.com/kava-labs/kava/x/incentive/types"
)
func makeTestCodec() (cdc *codec.Codec) {
cdc = codec.New()
sdk.RegisterCodec(cdc)
types.RegisterCodec(cdc)
return
}
func TestDecodeDistributionStore(t *testing.T) {
cdc := makeTestCodec()
// Set up RewardPeriod, ClaimPeriod, Claim, and previous block time
rewardPeriod := types.NewRewardPeriod("btc", time.Now().UTC(), time.Now().Add(time.Hour*1).UTC(),
sdk.NewCoin("ukava", sdk.NewInt(10000000000)), time.Now().Add(time.Hour*2).UTC(), time.Duration(time.Hour*2))
claimPeriod := types.NewClaimPeriod("btc", 1, time.Now().Add(time.Hour*24).UTC(), time.Duration(time.Hour*24))
addr, _ := sdk.AccAddressFromBech32("kava15qdefkmwswysgg4qxgqpqr35k3m49pkx2jdfnw")
claim := types.NewClaim(addr, sdk.NewCoin("ukava", sdk.NewInt(1000000)), "bnb", 1)
prevBlockTime := time.Now().Add(time.Hour * -1).UTC()
kvPairs := kv.Pairs{
kv.Pair{Key: types.RewardPeriodKeyPrefix, Value: cdc.MustMarshalBinaryLengthPrefixed(&rewardPeriod)},
kv.Pair{Key: types.ClaimPeriodKeyPrefix, Value: cdc.MustMarshalBinaryLengthPrefixed(&claimPeriod)},
kv.Pair{Key: types.ClaimKeyPrefix, Value: cdc.MustMarshalBinaryLengthPrefixed(&claim)},
kv.Pair{Key: types.NextClaimPeriodIDPrefix, Value: sdk.Uint64ToBigEndian(10)},
kv.Pair{Key: []byte(types.PreviousBlockTimeKey), Value: cdc.MustMarshalBinaryLengthPrefixed(prevBlockTime)},
kv.Pair{Key: []byte{0x99}, Value: []byte{0x99}},
}
tests := []struct {
name string
expectedLog string
}{
{"RewardPeriod", fmt.Sprintf("%v\n%v", rewardPeriod, rewardPeriod)},
{"ClaimPeriod", fmt.Sprintf("%v\n%v", claimPeriod, claimPeriod)},
{"Claim", fmt.Sprintf("%v\n%v", claim, claim)},
{"NextClaimPeriodID", "10\n10"},
{"PreviousBlockTime", fmt.Sprintf("%v\n%v", prevBlockTime, prevBlockTime)},
{"other", ""},
}
for i, tt := range tests {
i, tt := i, tt
t.Run(tt.name, func(t *testing.T) {
switch i {
case len(tests) - 1:
require.Panics(t, func() { DecodeStore(cdc, kvPairs[i], kvPairs[i]) }, tt.name)
default:
require.Equal(t, tt.expectedLog, DecodeStore(cdc, kvPairs[i], kvPairs[i]), tt.name)
}
})
}
}

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@ -0,0 +1,140 @@
package simulation
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"
authexported "github.com/cosmos/cosmos-sdk/x/auth/exported"
"github.com/cosmos/cosmos-sdk/x/simulation"
"github.com/kava-labs/kava/x/incentive/types"
)
var (
CollateralDenoms = [3]string{"bnb", "xrp", "btc"}
RewardDenom = "ukava"
MaxTotalAssetReward = sdk.NewInt(1000000000)
)
// RandomizedGenState generates a random GenesisState for incentive module
func RandomizedGenState(simState *module.SimulationState) {
params := genParams(simState.Rand)
rewardPeriods := genRewardPeriods(simState.Rand, simState.GenTimestamp, params.Rewards)
claimPeriods := genClaimPeriods(rewardPeriods)
claimPeriodIDs := genNextClaimPeriodIds(claimPeriods)
// New genesis state holds valid, linked reward periods, claim periods, and claim period IDs
incentiveGenesis := types.NewGenesisState(params, types.DefaultPreviousBlockTime,
rewardPeriods, claimPeriods, types.Claims{}, claimPeriodIDs)
if err := incentiveGenesis.Validate(); err != nil {
panic(err)
}
fmt.Printf("Selected randomly generated %s parameters:\n%s\n", types.ModuleName, codec.MustMarshalJSONIndent(simState.Cdc, incentiveGenesis))
simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(incentiveGenesis)
}
// genParams generates random rewards and is active by default
func genParams(r *rand.Rand) types.Params {
params := types.NewParams(true, genRewards(r))
if err := params.Validate(); err != nil {
panic(err)
}
return params
}
// genRewards generates rewards for each specified collateral type
func genRewards(r *rand.Rand) types.Rewards {
var rewards types.Rewards
for _, denom := range CollateralDenoms {
active := true
// total reward is in range (half max total reward, max total reward)
amount := simulation.RandIntBetween(r, int(MaxTotalAssetReward.Int64()/2), int(MaxTotalAssetReward.Int64()))
totalRewards := sdk.NewInt64Coin(RewardDenom, int64(amount))
// generate a random number of hours between 6-48 to use for reward's times
numbHours := simulation.RandIntBetween(r, 6, 48)
duration := time.Duration(time.Hour * time.Duration(numbHours))
timeLock := time.Duration(time.Hour * time.Duration(numbHours/2)) // half as long as duration
claimDuration := time.Hour * time.Duration(numbHours*2) // twice as long as duration
reward := types.NewReward(active, denom, totalRewards, duration, timeLock, claimDuration)
rewards = append(rewards, reward)
}
return rewards
}
// genRewardPeriods generates chronological reward periods for each given reward type
func genRewardPeriods(r *rand.Rand, timestamp time.Time, rewards types.Rewards) types.RewardPeriods {
var rewardPeriods types.RewardPeriods
for _, reward := range rewards {
rewardPeriodStart := timestamp
for i := 10; i >= simulation.RandIntBetween(r, 2, 9); i-- {
// Set up reward period parameters
start := rewardPeriodStart
end := start.Add(reward.Duration).UTC()
baseRewardAmount := reward.AvailableRewards.Amount.Quo(sdk.NewInt(100)) // base period reward is 1/100 total reward
// Earlier periods have larger rewards
amount := sdk.NewCoin(reward.Denom, baseRewardAmount.Mul(sdk.NewInt(int64(i))))
claimEnd := end.Add(reward.ClaimDuration)
claimTimeLock := reward.TimeLock
// Create reward period and append to array
rewardPeriod := types.NewRewardPeriod(reward.Denom, start, end, amount, claimEnd, claimTimeLock)
rewardPeriods = append(rewardPeriods, rewardPeriod)
// Update start time of next reward period
rewardPeriodStart = end
}
}
return rewardPeriods
}
// genClaimPeriods loads valid claim periods for an array of reward periods
func genClaimPeriods(rewardPeriods types.RewardPeriods) types.ClaimPeriods {
denomRewardPeriodsCount := make(map[string]uint64)
var claimPeriods types.ClaimPeriods
for _, rewardPeriod := range rewardPeriods {
// Increment reward period count for this denom (this is our claim period's ID)
denom := rewardPeriod.Denom
numbRewardPeriods := denomRewardPeriodsCount[denom] + 1
denomRewardPeriodsCount[denom] = numbRewardPeriods
// Set end and timelock from the associated reward period
end := rewardPeriod.ClaimEnd
claimTimeLock := rewardPeriod.ClaimTimeLock
// Create the new claim period for this reward period
claimPeriod := types.NewClaimPeriod(denom, numbRewardPeriods, end, claimTimeLock)
claimPeriods = append(claimPeriods, claimPeriod)
}
return claimPeriods
}
// genNextClaimPeriodIds returns an array of the most recent claim period IDs for each denom
func genNextClaimPeriodIds(cps types.ClaimPeriods) types.GenesisClaimPeriodIDs {
// Build a map of the most recent claim periods by denom
mostRecentClaimPeriodByDenom := make(map[string]uint64)
for _, cp := range cps {
if cp.ID > mostRecentClaimPeriodByDenom[cp.Denom] {
mostRecentClaimPeriodByDenom[cp.Denom] = cp.ID
}
}
// Write map contents to an array of GenesisClaimPeriodIDs
var claimPeriodIDs types.GenesisClaimPeriodIDs
for key, value := range mostRecentClaimPeriodByDenom {
claimPeriodID := types.GenesisClaimPeriodID{Denom: key, ID: value}
claimPeriodIDs = append(claimPeriodIDs, claimPeriodID)
}
return claimPeriodIDs
}
// In a list of accounts, replace the first account found with the same address. If not found, append the account.
func replaceOrAppendAccount(accounts []authexported.GenesisAccount, acc authexported.GenesisAccount) []authexported.GenesisAccount {
newAccounts := accounts
for i, a := range accounts {
if a.GetAddress().Equals(acc.GetAddress()) {
newAccounts[i] = acc
return newAccounts
}
}
return append(newAccounts, acc)
}

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@ -0,0 +1,146 @@
package simulation
import (
"fmt"
"math/rand"
"github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/simapp/helpers"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/auth"
authexported "github.com/cosmos/cosmos-sdk/x/auth/exported"
"github.com/cosmos/cosmos-sdk/x/auth/vesting"
"github.com/cosmos/cosmos-sdk/x/simulation"
appparams "github.com/kava-labs/kava/app/params"
"github.com/kava-labs/kava/x/incentive/keeper"
"github.com/kava-labs/kava/x/incentive/types"
"github.com/kava-labs/kava/x/kavadist"
)
// Simulation operation weights constants
const (
OpWeightMsgClaimReward = "op_weight_msg_claim_reward"
)
// WeightedOperations returns all the operations from the module with their respective weights
func WeightedOperations(
appParams simulation.AppParams, cdc *codec.Codec, ak auth.AccountKeeper, sk types.SupplyKeeper, k keeper.Keeper,
) simulation.WeightedOperations {
var weightMsgClaimReward int
appParams.GetOrGenerate(cdc, OpWeightMsgClaimReward, &weightMsgClaimReward, nil,
func(_ *rand.Rand) {
weightMsgClaimReward = appparams.DefaultWeightMsgClaimReward
},
)
return simulation.WeightedOperations{
simulation.NewWeightedOperation(
weightMsgClaimReward,
SimulateMsgClaimReward(ak, sk, k),
),
}
}
// SimulateMsgClaimReward generates a MsgClaimReward
func SimulateMsgClaimReward(ak auth.AccountKeeper, sk types.SupplyKeeper, k keeper.Keeper) simulation.Operation {
return func(
r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simulation.Account, chainID string,
) (simulation.OperationMsg, []simulation.FutureOperation, error) {
// Load only account types that can claim rewards
var accounts []authexported.Account
validAccounts := make(map[string]bool)
for _, acc := range accs {
account := ak.GetAccount(ctx, acc.Address)
switch account.(type) {
case *vesting.PeriodicVestingAccount, *auth.BaseAccount: // Valid: BaseAccount, PeriodicVestingAccount
accounts = append(accounts, account)
validAccounts[account.GetAddress().String()] = true
break
default: // Invalid: ValidatorVestingAccount, DelayedVestingAccount, ContinuousVestingAccount
break
}
}
// Load open claims and shuffle them to randomize
openClaims := types.Claims{}
k.IterateClaims(ctx, func(claim types.Claim) bool {
openClaims = append(openClaims, claim)
return false
})
r.Shuffle(len(openClaims), func(i, j int) {
openClaims[i], openClaims[j] = openClaims[j], openClaims[i]
})
kavadistMacc := sk.GetModuleAccount(ctx, kavadist.KavaDistMacc)
kavadistBalance := kavadistMacc.SpendableCoins(ctx.BlockTime())
// Find address that has a claim of the same reward denom, then confirm it's distributable
claimer, claim, found := findValidAccountClaimPair(accs, openClaims, func(acc simulation.Account, claim types.Claim) bool {
if validAccounts[acc.Address.String()] { // Address must be valid type
if claim.Owner.Equals(acc.Address) { // Account must be claim owner
allClaims, found := k.GetClaimsByAddressAndDenom(ctx, claim.Owner, claim.Denom)
if found { // found should always be true
var rewards sdk.Coins
for _, individualClaim := range allClaims {
rewards = rewards.Add(individualClaim.Reward)
}
if rewards.AmountOf(claim.Reward.Denom).IsPositive() { // Can't distribute 0 coins
// Validate that kavadist module has enough coins to distribute rewards
if kavadistBalance.AmountOf(claim.Reward.Denom).GTE(rewards.AmountOf(claim.Reward.Denom)) {
return true
}
}
}
}
}
return false
})
if !found {
return simulation.NewOperationMsgBasic(types.ModuleName,
"no-operation (no accounts currently have fulfillable claims)", "", false, nil), nil, nil
}
claimerAcc := ak.GetAccount(ctx, claimer.Address)
if claimerAcc == nil {
return simulation.NoOpMsg(types.ModuleName), nil, fmt.Errorf("couldn't find account %s", claimer.Address)
}
msg := types.NewMsgClaimReward(claimer.Address, claim.Denom)
tx := helpers.GenTx(
[]sdk.Msg{msg},
sdk.NewCoins(),
helpers.DefaultGenTxGas,
chainID,
[]uint64{claimerAcc.GetAccountNumber()},
[]uint64{claimerAcc.GetSequence()},
claimer.PrivKey,
)
_, result, err := app.Deliver(tx)
if err != nil {
// to aid debugging, add the stack trace to the comment field of the returned opMsg
return simulation.NewOperationMsg(msg, false, fmt.Sprintf("%+v", err)), nil, err
}
// to aid debugging, add the result log to the comment field
return simulation.NewOperationMsg(msg, true, result.Log), nil, nil
}
}
// findValidAccountClaimPair finds an account and reward claim for which the callback func returns true
func findValidAccountClaimPair(accounts []simulation.Account, claims types.Claims,
cb func(simulation.Account, types.Claim) bool) (simulation.Account, types.Claim, bool) {
for _, claim := range claims {
for _, acc := range accounts {
if isValid := cb(acc, claim); isValid {
return acc, claim, true
}
}
}
return simulation.Account{}, types.Claim{}, false
}

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@ -1,14 +1,40 @@
package simulation
import (
"fmt"
"math/rand"
"github.com/cosmos/cosmos-sdk/x/simulation"
"github.com/kava-labs/kava/x/incentive/types"
)
// ParamChanges defines the parameters that can be modified by param change proposals
// on the simulation
func ParamChanges(r *rand.Rand) []simulation.ParamChange {
// TODO implement this
return []simulation.ParamChange{}
const (
keyActive = "Active"
keyRewards = "Rewards"
)
// genActive generates active bool with 80% chance of true
func genActive(r *rand.Rand) bool {
threshold := 80
value := simulation.RandIntBetween(r, 1, 100)
if value > threshold {
return false
}
return true
}
// ParamChanges defines the parameters that can be modified by param change proposals
func ParamChanges(r *rand.Rand) []simulation.ParamChange {
return []simulation.ParamChange{
simulation.NewSimParamChange(types.ModuleName, keyActive,
func(r *rand.Rand) string {
return fmt.Sprintf("\"%t\"", genActive(r))
},
),
simulation.NewSimParamChange(types.ModuleName, keyRewards,
func(r *rand.Rand) string {
return fmt.Sprintf("\"%v\"", genRewards(r))
},
),
}
}

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@ -1,22 +0,0 @@
package simulation
import (
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/types/module"
"github.com/kava-labs/kava/x/incentive/types"
)
// RandomizedGenState generates a random GenesisState for cdp
func RandomizedGenState(simState *module.SimulationState) {
// TODO implement this fully
// - randomly generating the genesis params
// - overwriting with genesis provided to simulation
genesis := types.DefaultGenesisState()
fmt.Printf("Selected randomly generated %s parameters:\n%s\n", types.ModuleName, codec.MustMarshalJSONIndent(simState.Cdc, genesis))
simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(genesis)
}

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@ -14,10 +14,11 @@ import (
)
// SecondsPerYear is the number of seconds in a year
const SecondsPerYear = 31536000
// BaseAprPadding prevents the calculated SPR inflation rate from being 0.0
const BaseAprPadding = "0.000000000100000000"
const (
SecondsPerYear = 31536000
// BaseAprPadding sets the minimum inflation to the calculated SPR inflation rate from being 0.0
BaseAprPadding = "0.000000003022265980"
)
// RandomizedGenState generates a random GenesisState for kavadist module
func RandomizedGenState(simState *module.SimulationState) {
@ -46,8 +47,8 @@ func genRandomPeriods(r *rand.Rand, timestamp time.Time) types.Periods {
numPeriods := simulation.RandIntBetween(r, 1, 10)
periodStart := timestamp
for i := 0; i < numPeriods; i++ {
// set periods to be between 2 weeks and 2 years
durationMultiplier := simulation.RandIntBetween(r, 14, 104)
// set periods to be between 1-3 days
durationMultiplier := simulation.RandIntBetween(r, 1, 3)
duration := time.Duration(int64(24*durationMultiplier)) * time.Hour
periodEnd := periodStart.Add(duration)
inflation := genRandomInflation(r)
@ -59,13 +60,14 @@ func genRandomPeriods(r *rand.Rand, timestamp time.Time) types.Periods {
}
func genRandomInflation(r *rand.Rand) sdk.Dec {
// If sim.RandomDecAmount returns 0 (happens frequently by design), add BaseAprPadding
// If sim.RandomDecAmount is less than base apr padding, add base apr padding
aprPadding, _ := sdk.NewDecFromStr(BaseAprPadding)
extraAprInflation := simulation.RandomDecAmount(r, sdk.MustNewDecFromStr("0.25"))
for extraAprInflation.Equal(sdk.ZeroDec()) {
extraAprInflation = extraAprInflation.Add(sdk.MustNewDecFromStr(BaseAprPadding))
for extraAprInflation.LT(aprPadding) {
extraAprInflation = extraAprInflation.Add(aprPadding)
}
aprInflation := sdk.OneDec().Add(extraAprInflation)
// convert APR inflation to SPR (inflation per second)
inflationSpr, err := approxRoot(aprInflation, uint64(SecondsPerYear))
if err != nil {