516 lines
16 KiB
Go
516 lines
16 KiB
Go
package app
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import (
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"encoding/json"
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"flag"
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"fmt"
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"io/ioutil"
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"math/rand"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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abci "github.com/tendermint/tendermint/abci/types"
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dbm "github.com/tendermint/tendermint/libs/db"
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"github.com/tendermint/tendermint/libs/log"
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"github.com/cosmos/cosmos-sdk/baseapp"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/auth"
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authsim "github.com/cosmos/cosmos-sdk/x/auth/simulation"
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banksim "github.com/cosmos/cosmos-sdk/x/bank/simulation"
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distr "github.com/cosmos/cosmos-sdk/x/distribution"
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distrsim "github.com/cosmos/cosmos-sdk/x/distribution/simulation"
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"github.com/cosmos/cosmos-sdk/x/gov"
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govsim "github.com/cosmos/cosmos-sdk/x/gov/simulation"
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"github.com/cosmos/cosmos-sdk/x/mint"
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"github.com/cosmos/cosmos-sdk/x/mock/simulation"
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"github.com/cosmos/cosmos-sdk/x/slashing"
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slashingsim "github.com/cosmos/cosmos-sdk/x/slashing/simulation"
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"github.com/cosmos/cosmos-sdk/x/staking"
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stakingsim "github.com/cosmos/cosmos-sdk/x/staking/simulation"
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stakingTypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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)
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var (
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seed int64
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numBlocks int
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blockSize int
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enabled bool
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verbose bool
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commit bool
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period int
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)
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func init() {
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flag.Int64Var(&seed, "SimulationSeed", 42, "Simulation random seed")
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flag.IntVar(&numBlocks, "SimulationNumBlocks", 500, "Number of blocks")
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flag.IntVar(&blockSize, "SimulationBlockSize", 200, "Operations per block")
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flag.BoolVar(&enabled, "SimulationEnabled", false, "Enable the simulation")
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flag.BoolVar(&verbose, "SimulationVerbose", false, "Verbose log output")
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flag.BoolVar(&commit, "SimulationCommit", false, "Have the simulation commit")
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flag.IntVar(&period, "SimulationPeriod", 1, "Run slow invariants only once every period assertions")
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}
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func appStateFn(r *rand.Rand, accs []simulation.Account) json.RawMessage {
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var genesisAccounts []GenesisAccount
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amount := int64(r.Intn(1e6))
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numInitiallyBonded := int64(r.Intn(250))
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numAccs := int64(len(accs))
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if numInitiallyBonded > numAccs {
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numInitiallyBonded = numAccs
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}
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fmt.Printf("Selected randomly generated parameters for simulated genesis:\n"+
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"\t{amount of steak per account: %v, initially bonded validators: %v}\n",
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amount, numInitiallyBonded)
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// Randomly generate some genesis accounts
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for _, acc := range accs {
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coins := sdk.Coins{sdk.NewCoin(stakingTypes.DefaultBondDenom, sdk.NewInt(amount))}
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genesisAccounts = append(genesisAccounts, GenesisAccount{
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Address: acc.Address,
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Coins: coins,
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})
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}
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authGenesis := auth.GenesisState{
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Params: auth.Params{
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MemoCostPerByte: uint64(r.Intn(10) + 1),
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MaxMemoCharacters: uint64(r.Intn(200-100) + 100),
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TxSigLimit: uint64(r.Intn(7) + 1),
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SigVerifyCostED25519: uint64(r.Intn(1000-500) + 500),
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SigVerifyCostSecp256k1: uint64(r.Intn(1000-500) + 500),
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},
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}
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fmt.Printf("Selected randomly generated auth parameters:\n\t%+v\n", authGenesis)
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// Random genesis states
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vp := time.Duration(r.Intn(2*172800)) * time.Second
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govGenesis := gov.GenesisState{
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StartingProposalID: uint64(r.Intn(100)),
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DepositParams: gov.DepositParams{
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MinDeposit: sdk.Coins{sdk.NewInt64Coin(stakingTypes.DefaultBondDenom, int64(r.Intn(1e3)))},
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MaxDepositPeriod: vp,
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},
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VotingParams: gov.VotingParams{
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VotingPeriod: vp,
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},
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TallyParams: gov.TallyParams{
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Threshold: sdk.NewDecWithPrec(5, 1),
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Veto: sdk.NewDecWithPrec(334, 3),
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GovernancePenalty: sdk.NewDecWithPrec(1, 2),
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},
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}
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fmt.Printf("Selected randomly generated governance parameters:\n\t%+v\n", govGenesis)
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stakingGenesis := staking.GenesisState{
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Pool: staking.InitialPool(),
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Params: staking.Params{
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UnbondingTime: time.Duration(randIntBetween(r, 60, 60*60*24*3*2)) * time.Second,
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MaxValidators: uint16(r.Intn(250)),
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BondDenom: stakingTypes.DefaultBondDenom,
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},
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}
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fmt.Printf("Selected randomly generated staking parameters:\n\t%+v\n", stakingGenesis)
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slashingGenesis := slashing.GenesisState{
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Params: slashing.Params{
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MaxEvidenceAge: stakingGenesis.Params.UnbondingTime,
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SignedBlocksWindow: int64(randIntBetween(r, 10, 1000)),
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MinSignedPerWindow: sdk.NewDecWithPrec(int64(r.Intn(10)), 1),
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DowntimeJailDuration: time.Duration(randIntBetween(r, 60, 60*60*24)) * time.Second,
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SlashFractionDoubleSign: sdk.NewDec(1).Quo(sdk.NewDec(int64(r.Intn(50) + 1))),
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SlashFractionDowntime: sdk.NewDec(1).Quo(sdk.NewDec(int64(r.Intn(200) + 1))),
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},
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}
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fmt.Printf("Selected randomly generated slashing parameters:\n\t%+v\n", slashingGenesis)
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mintGenesis := mint.GenesisState{
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Minter: mint.InitialMinter(
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sdk.NewDecWithPrec(int64(r.Intn(99)), 2)),
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Params: mint.NewParams(
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stakingTypes.DefaultBondDenom,
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sdk.NewDecWithPrec(int64(r.Intn(99)), 2),
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sdk.NewDecWithPrec(20, 2),
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sdk.NewDecWithPrec(7, 2),
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sdk.NewDecWithPrec(67, 2),
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uint64(60*60*8766/5)),
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}
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fmt.Printf("Selected randomly generated minting parameters:\n\t%+v\n", mintGenesis)
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var validators []staking.Validator
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var delegations []staking.Delegation
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valAddrs := make([]sdk.ValAddress, numInitiallyBonded)
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for i := 0; i < int(numInitiallyBonded); i++ {
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valAddr := sdk.ValAddress(accs[i].Address)
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valAddrs[i] = valAddr
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validator := staking.NewValidator(valAddr, accs[i].PubKey, staking.Description{})
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validator.Tokens = sdk.NewInt(amount)
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validator.DelegatorShares = sdk.NewDec(amount)
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delegation := staking.Delegation{accs[i].Address, valAddr, sdk.NewDec(amount)}
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validators = append(validators, validator)
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delegations = append(delegations, delegation)
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}
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stakingGenesis.Pool.LooseTokens = sdk.NewInt((amount * numAccs) + (numInitiallyBonded * amount))
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stakingGenesis.Validators = validators
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stakingGenesis.Bonds = delegations
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distrGenesis := distr.GenesisState{
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FeePool: distr.InitialFeePool(),
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CommunityTax: sdk.NewDecWithPrec(1, 2).Add(sdk.NewDecWithPrec(int64(r.Intn(30)), 2)),
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BaseProposerReward: sdk.NewDecWithPrec(1, 2).Add(sdk.NewDecWithPrec(int64(r.Intn(30)), 2)),
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BonusProposerReward: sdk.NewDecWithPrec(1, 2).Add(sdk.NewDecWithPrec(int64(r.Intn(30)), 2)),
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}
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fmt.Printf("Selected randomly generated distribution parameters:\n\t%+v\n", distrGenesis)
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genesis := GenesisState{
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Accounts: genesisAccounts,
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AuthData: authGenesis,
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StakingData: stakingGenesis,
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MintData: mintGenesis,
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DistrData: distrGenesis,
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SlashingData: slashingGenesis,
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GovData: govGenesis,
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}
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// Marshal genesis
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appState, err := MakeCodec().MarshalJSON(genesis)
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if err != nil {
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panic(err)
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}
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return appState
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}
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func randIntBetween(r *rand.Rand, min, max int) int {
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return r.Intn(max-min) + min
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}
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func testAndRunTxs(app *GaiaApp) []simulation.WeightedOperation {
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return []simulation.WeightedOperation{
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{5, authsim.SimulateDeductFee(app.accountKeeper, app.feeCollectionKeeper)},
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{100, banksim.SingleInputSendMsg(app.accountKeeper, app.bankKeeper)},
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{50, distrsim.SimulateMsgSetWithdrawAddress(app.accountKeeper, app.distrKeeper)},
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{50, distrsim.SimulateMsgWithdrawDelegatorReward(app.accountKeeper, app.distrKeeper)},
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{50, distrsim.SimulateMsgWithdrawValidatorCommission(app.accountKeeper, app.distrKeeper)},
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{5, govsim.SimulateSubmittingVotingAndSlashingForProposal(app.govKeeper, app.stakingKeeper)},
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{100, govsim.SimulateMsgDeposit(app.govKeeper)},
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{100, stakingsim.SimulateMsgCreateValidator(app.accountKeeper, app.stakingKeeper)},
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{5, stakingsim.SimulateMsgEditValidator(app.stakingKeeper)},
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{100, stakingsim.SimulateMsgDelegate(app.accountKeeper, app.stakingKeeper)},
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{100, stakingsim.SimulateMsgBeginUnbonding(app.accountKeeper, app.stakingKeeper)},
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{100, stakingsim.SimulateMsgBeginRedelegate(app.accountKeeper, app.stakingKeeper)},
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{100, slashingsim.SimulateMsgUnjail(app.slashingKeeper)},
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}
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}
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func invariants(app *GaiaApp) []simulation.Invariant {
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return []simulation.Invariant{
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simulation.PeriodicInvariant(banksim.NonnegativeBalanceInvariant(app.accountKeeper), period, 0),
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simulation.PeriodicInvariant(govsim.AllInvariants(), period, 0),
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simulation.PeriodicInvariant(distrsim.AllInvariants(app.distrKeeper, app.stakingKeeper), period, 0),
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simulation.PeriodicInvariant(stakingsim.AllInvariants(app.bankKeeper, app.stakingKeeper,
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app.feeCollectionKeeper, app.distrKeeper, app.accountKeeper), period, 0),
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simulation.PeriodicInvariant(slashingsim.AllInvariants(), period, 0),
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}
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}
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// Pass this in as an option to use a dbStoreAdapter instead of an IAVLStore for simulation speed.
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func fauxMerkleModeOpt(bapp *baseapp.BaseApp) {
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bapp.SetFauxMerkleMode()
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}
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// Profile with:
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// /usr/local/go/bin/go test -benchmem -run=^$ github.com/cosmos/cosmos-sdk/cmd/gaia/app -bench ^BenchmarkFullGaiaSimulation$ -SimulationCommit=true -cpuprofile cpu.out
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func BenchmarkFullGaiaSimulation(b *testing.B) {
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// Setup Gaia application
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var logger log.Logger
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logger = log.NewNopLogger()
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var db dbm.DB
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dir, _ := ioutil.TempDir("", "goleveldb-gaia-sim")
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db, _ = dbm.NewGoLevelDB("Simulation", dir)
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defer func() {
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db.Close()
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os.RemoveAll(dir)
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}()
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app := NewGaiaApp(logger, db, nil, true)
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// Run randomized simulation
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// TODO parameterize numbers, save for a later PR
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_, err := simulation.SimulateFromSeed(
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b, app.BaseApp, appStateFn, seed,
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testAndRunTxs(app),
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invariants(app), // these shouldn't get ran
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numBlocks,
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blockSize,
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commit,
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)
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if err != nil {
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fmt.Println(err)
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b.Fail()
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}
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if commit {
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fmt.Println("GoLevelDB Stats")
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fmt.Println(db.Stats()["leveldb.stats"])
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fmt.Println("GoLevelDB cached block size", db.Stats()["leveldb.cachedblock"])
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}
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}
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func TestFullGaiaSimulation(t *testing.T) {
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if !enabled {
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t.Skip("Skipping Gaia simulation")
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}
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// Setup Gaia application
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var logger log.Logger
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if verbose {
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logger = log.TestingLogger()
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} else {
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logger = log.NewNopLogger()
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}
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var db dbm.DB
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dir, _ := ioutil.TempDir("", "goleveldb-gaia-sim")
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db, _ = dbm.NewGoLevelDB("Simulation", dir)
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defer func() {
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db.Close()
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os.RemoveAll(dir)
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}()
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app := NewGaiaApp(logger, db, nil, true, fauxMerkleModeOpt)
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require.Equal(t, "GaiaApp", app.Name())
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// Run randomized simulation
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_, err := simulation.SimulateFromSeed(
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t, app.BaseApp, appStateFn, seed,
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testAndRunTxs(app),
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invariants(app),
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numBlocks,
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blockSize,
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commit,
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)
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if commit {
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// for memdb:
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// fmt.Println("Database Size", db.Stats()["database.size"])
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fmt.Println("GoLevelDB Stats")
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fmt.Println(db.Stats()["leveldb.stats"])
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fmt.Println("GoLevelDB cached block size", db.Stats()["leveldb.cachedblock"])
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}
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require.Nil(t, err)
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}
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func TestGaiaImportExport(t *testing.T) {
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if !enabled {
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t.Skip("Skipping Gaia import/export simulation")
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}
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// Setup Gaia application
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var logger log.Logger
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if verbose {
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logger = log.TestingLogger()
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} else {
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logger = log.NewNopLogger()
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}
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var db dbm.DB
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dir, _ := ioutil.TempDir("", "goleveldb-gaia-sim")
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db, _ = dbm.NewGoLevelDB("Simulation", dir)
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defer func() {
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db.Close()
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os.RemoveAll(dir)
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}()
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app := NewGaiaApp(logger, db, nil, true, fauxMerkleModeOpt)
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require.Equal(t, "GaiaApp", app.Name())
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// Run randomized simulation
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_, err := simulation.SimulateFromSeed(
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t, app.BaseApp, appStateFn, seed,
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testAndRunTxs(app),
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invariants(app),
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numBlocks,
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blockSize,
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commit,
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)
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if commit {
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// for memdb:
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// fmt.Println("Database Size", db.Stats()["database.size"])
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fmt.Println("GoLevelDB Stats")
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fmt.Println(db.Stats()["leveldb.stats"])
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fmt.Println("GoLevelDB cached block size", db.Stats()["leveldb.cachedblock"])
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}
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require.Nil(t, err)
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fmt.Printf("Exporting genesis...\n")
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appState, _, err := app.ExportAppStateAndValidators(false)
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if err != nil {
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panic(err)
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}
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fmt.Printf("Importing genesis...\n")
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newDir, _ := ioutil.TempDir("", "goleveldb-gaia-sim-2")
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newDB, _ := dbm.NewGoLevelDB("Simulation-2", dir)
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defer func() {
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newDB.Close()
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os.RemoveAll(newDir)
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}()
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newApp := NewGaiaApp(log.NewNopLogger(), newDB, nil, true, fauxMerkleModeOpt)
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require.Equal(t, "GaiaApp", newApp.Name())
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var genesisState GenesisState
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err = app.cdc.UnmarshalJSON(appState, &genesisState)
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if err != nil {
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panic(err)
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}
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ctxB := newApp.NewContext(true, abci.Header{})
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newApp.initFromGenesisState(ctxB, genesisState)
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fmt.Printf("Comparing stores...\n")
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ctxA := app.NewContext(true, abci.Header{})
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type StoreKeysPrefixes struct {
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A sdk.StoreKey
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B sdk.StoreKey
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Prefixes [][]byte
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}
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storeKeysPrefixes := []StoreKeysPrefixes{
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{app.keyMain, newApp.keyMain, [][]byte{}},
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{app.keyAccount, newApp.keyAccount, [][]byte{}},
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{app.keyStaking, newApp.keyStaking, [][]byte{staking.UnbondingQueueKey, staking.RedelegationQueueKey, staking.ValidatorQueueKey}}, // ordering may change but it doesn't matter
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{app.keySlashing, newApp.keySlashing, [][]byte{}},
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{app.keyMint, newApp.keyMint, [][]byte{}},
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{app.keyDistr, newApp.keyDistr, [][]byte{}},
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{app.keyFeeCollection, newApp.keyFeeCollection, [][]byte{}},
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{app.keyParams, newApp.keyParams, [][]byte{}},
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{app.keyGov, newApp.keyGov, [][]byte{}},
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}
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for _, storeKeysPrefix := range storeKeysPrefixes {
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storeKeyA := storeKeysPrefix.A
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storeKeyB := storeKeysPrefix.B
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prefixes := storeKeysPrefix.Prefixes
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storeA := ctxA.KVStore(storeKeyA)
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storeB := ctxB.KVStore(storeKeyB)
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kvA, kvB, count, equal := sdk.DiffKVStores(storeA, storeB, prefixes)
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fmt.Printf("Compared %d key/value pairs between %s and %s\n", count, storeKeyA, storeKeyB)
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require.True(t, equal, "unequal stores: %s / %s:\nstore A %s (%X) => %s (%X)\nstore B %s (%X) => %s (%X)",
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storeKeyA, storeKeyB, kvA.Key, kvA.Key, kvA.Value, kvA.Value, kvB.Key, kvB.Key, kvB.Value, kvB.Value)
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}
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}
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func TestGaiaSimulationAfterImport(t *testing.T) {
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if !enabled {
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t.Skip("Skipping Gaia simulation after import")
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}
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// Setup Gaia application
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var logger log.Logger
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if verbose {
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logger = log.TestingLogger()
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} else {
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logger = log.NewNopLogger()
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}
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dir, _ := ioutil.TempDir("", "goleveldb-gaia-sim")
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db, _ := dbm.NewGoLevelDB("Simulation", dir)
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defer func() {
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db.Close()
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os.RemoveAll(dir)
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}()
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app := NewGaiaApp(logger, db, nil, true, fauxMerkleModeOpt)
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require.Equal(t, "GaiaApp", app.Name())
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// Run randomized simulation
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stopEarly, err := simulation.SimulateFromSeed(
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t, app.BaseApp, appStateFn, seed,
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testAndRunTxs(app),
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invariants(app),
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numBlocks,
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blockSize,
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commit,
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)
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if commit {
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// for memdb:
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// fmt.Println("Database Size", db.Stats()["database.size"])
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fmt.Println("GoLevelDB Stats")
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fmt.Println(db.Stats()["leveldb.stats"])
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fmt.Println("GoLevelDB cached block size", db.Stats()["leveldb.cachedblock"])
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}
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require.Nil(t, err)
|
|
|
|
if stopEarly {
|
|
// we can't export or import a zero-validator genesis
|
|
fmt.Printf("We can't export or import a zero-validator genesis, exiting test...\n")
|
|
return
|
|
}
|
|
|
|
fmt.Printf("Exporting genesis...\n")
|
|
|
|
appState, _, err := app.ExportAppStateAndValidators(true)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
fmt.Printf("Importing genesis...\n")
|
|
|
|
newDir, _ := ioutil.TempDir("", "goleveldb-gaia-sim-2")
|
|
newDB, _ := dbm.NewGoLevelDB("Simulation-2", dir)
|
|
defer func() {
|
|
newDB.Close()
|
|
os.RemoveAll(newDir)
|
|
}()
|
|
newApp := NewGaiaApp(log.NewNopLogger(), newDB, nil, true, fauxMerkleModeOpt)
|
|
require.Equal(t, "GaiaApp", newApp.Name())
|
|
newApp.InitChain(abci.RequestInitChain{
|
|
AppStateBytes: appState,
|
|
})
|
|
|
|
// Run randomized simulation on imported app
|
|
_, err = simulation.SimulateFromSeed(
|
|
t, newApp.BaseApp, appStateFn, seed,
|
|
testAndRunTxs(newApp),
|
|
invariants(newApp),
|
|
numBlocks,
|
|
blockSize,
|
|
commit,
|
|
)
|
|
require.Nil(t, err)
|
|
|
|
}
|
|
|
|
// TODO: Make another test for the fuzzer itself, which just has noOp txs
|
|
// and doesn't depend on gaia
|
|
func TestAppStateDeterminism(t *testing.T) {
|
|
if !enabled {
|
|
t.Skip("Skipping Gaia simulation")
|
|
}
|
|
|
|
numSeeds := 3
|
|
numTimesToRunPerSeed := 5
|
|
appHashList := make([]json.RawMessage, numTimesToRunPerSeed)
|
|
|
|
for i := 0; i < numSeeds; i++ {
|
|
seed := rand.Int63()
|
|
for j := 0; j < numTimesToRunPerSeed; j++ {
|
|
logger := log.NewNopLogger()
|
|
db := dbm.NewMemDB()
|
|
app := NewGaiaApp(logger, db, nil, true)
|
|
|
|
// Run randomized simulation
|
|
simulation.SimulateFromSeed(
|
|
t, app.BaseApp, appStateFn, seed,
|
|
testAndRunTxs(app),
|
|
[]simulation.Invariant{},
|
|
50,
|
|
100,
|
|
true,
|
|
)
|
|
appHash := app.LastCommitID().Hash
|
|
appHashList[j] = appHash
|
|
}
|
|
for k := 1; k < numTimesToRunPerSeed; k++ {
|
|
require.Equal(t, appHashList[0], appHashList[k], "appHash list: %v", appHashList)
|
|
}
|
|
}
|
|
}
|