130 lines
3.3 KiB
Go
130 lines
3.3 KiB
Go
package app
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import (
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"encoding/json"
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"math/rand"
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"os"
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"strconv"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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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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sdk "github.com/cosmos/cosmos-sdk/types"
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banksim "github.com/cosmos/cosmos-sdk/x/bank/simulation"
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"github.com/cosmos/cosmos-sdk/x/mock/simulation"
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stake "github.com/cosmos/cosmos-sdk/x/stake"
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stakesim "github.com/cosmos/cosmos-sdk/x/stake/simulation"
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)
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const (
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defaultNumKeys = 10
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defaultNumBlocks = 100
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defaultBlockSize = 100
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simulationEnvEnable = "GAIA_SIMULATION_ENABLED"
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simulationEnvSeed = "GAIA_SIMULATION_SEED"
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simulationEnvKeys = "GAIA_SIMULATION_KEYS"
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simulationEnvBlocks = "GAIA_SIMULATION_BLOCKS"
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simulationEnvBlockSize = "GAIA_SIMULATION_BLOCK_SIZE"
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)
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func appStateFn(r *rand.Rand, accs []sdk.AccAddress) json.RawMessage {
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var genesisAccounts []GenesisAccount
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// Randomly generate some genesis accounts
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for _, addr := range accs {
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coins := sdk.Coins{sdk.Coin{"steak", sdk.NewInt(100)}}
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genesisAccounts = append(genesisAccounts, GenesisAccount{
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Address: addr,
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Coins: coins,
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})
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}
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// Default genesis state
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stakeGenesis := stake.DefaultGenesisState()
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stakeGenesis.Pool.LooseTokens = sdk.NewRat(1000)
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genesis := GenesisState{
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Accounts: genesisAccounts,
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StakeData: stakeGenesis,
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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 TestFullGaiaSimulation(t *testing.T) {
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if os.Getenv(simulationEnvEnable) == "" {
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t.Skip("Skipping Gaia simulation")
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}
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// Setup Gaia application
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logger := log.NewNopLogger()
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db := dbm.NewMemDB()
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app := NewGaiaApp(logger, db, nil)
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require.Equal(t, "GaiaApp", app.Name())
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var seed int64
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var err error
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envSeed := os.Getenv(simulationEnvSeed)
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if envSeed != "" {
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seed, err = strconv.ParseInt(envSeed, 10, 64)
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require.Nil(t, err)
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} else {
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seed = time.Now().UnixNano()
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}
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keys := defaultNumKeys
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envKeys := os.Getenv(simulationEnvKeys)
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if envKeys != "" {
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keys, err = strconv.Atoi(envKeys)
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require.Nil(t, err)
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}
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blocks := defaultNumBlocks
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envBlocks := os.Getenv(simulationEnvBlocks)
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if envBlocks != "" {
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blocks, err = strconv.Atoi(envBlocks)
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require.Nil(t, err)
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}
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blockSize := defaultBlockSize
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envBlockSize := os.Getenv(simulationEnvBlockSize)
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if envBlockSize != "" {
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blockSize, err = strconv.Atoi(envBlockSize)
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require.Nil(t, err)
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}
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// Run randomized simulation
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simulation.SimulateFromSeed(
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t, app.BaseApp, appStateFn, seed,
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[]simulation.TestAndRunTx{
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banksim.TestAndRunSingleInputMsgSend(app.accountMapper),
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stakesim.SimulateMsgCreateValidator(app.accountMapper, app.stakeKeeper),
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stakesim.SimulateMsgEditValidator(app.stakeKeeper),
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stakesim.SimulateMsgDelegate(app.accountMapper, app.stakeKeeper),
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stakesim.SimulateMsgBeginUnbonding(app.accountMapper, app.stakeKeeper),
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stakesim.SimulateMsgCompleteUnbonding(app.stakeKeeper),
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stakesim.SimulateMsgBeginRedelegate(app.accountMapper, app.stakeKeeper),
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stakesim.SimulateMsgCompleteRedelegate(app.stakeKeeper),
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},
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[]simulation.RandSetup{},
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[]simulation.Invariant{
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banksim.NonnegativeBalanceInvariant(app.accountMapper),
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stakesim.AllInvariants(app.coinKeeper, app.stakeKeeper, app.accountMapper),
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},
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keys,
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blocks,
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blockSize,
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)
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}
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