feat: simulation

Makefile

@@ -99,7 +99,10 @@ test-e2e:
 test-benchmark:
 	@VERSION=$(VERSION) go test -v -mod=readonly -tags='ledger test_ledger_mock' github.com/terra-money/alliance/x/alliance/tests/benchmark
 
-.PHONY: test test-unit test-e2e test-benchmark
+test-simulate:
+	@VERSION=$(VERSION) go test -v -run=TestFullAppSimulation ./app -NumBlocks 200 -BlockSize 10 -Commit -Enabled -Period 1
+
+.PHONY: test test-unit test-e2e test-benchmark test-simulate
 ###############################################################################
 ###                                Linting                                  ###
 ###############################################################################

app/simulation_test.go

@@ -4,38 +4,85 @@ import (
 	"os"
 	"testing"
 
-	abci "github.com/cometbft/cometbft/abci/types"
 	"github.com/cosmos/cosmos-sdk/baseapp"
-	"github.com/cosmos/cosmos-sdk/codec"
 	simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
-	sdk "github.com/cosmos/cosmos-sdk/types"
-	"github.com/cosmos/cosmos-sdk/types/module"
-	simulationtypes "github.com/cosmos/cosmos-sdk/types/simulation"
+	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
 	"github.com/cosmos/cosmos-sdk/x/simulation"
 	simcli "github.com/cosmos/cosmos-sdk/x/simulation/client/cli"
-	"github.com/stretchr/testify/require"
 
+	"github.com/stretchr/testify/require"
 	"github.com/terra-money/alliance/app"
 )
 
-// SimAppChainID hardcoded chainID for simulation
-const SimAppChainID = "simulation-app"
+// Hardcoded chainID for simulation.
+const (
+	simulationAppChainID = "simulation-app"
+	simulationDirPrefix  = "leveldb-app-sim"
+	simulationDBName     = "Simulation"
+)
 
 func init() {
 	simcli.GetSimulatorFlags()
 }
 
-type SimApp interface {
-	app.App
-	GetBaseApp() *baseapp.BaseApp
-	AppCodec() codec.Codec
-	SimulationManager() *module.SimulationManager
-	ModuleAccountAddrs() map[string]bool
-	Name() string
-	LegacyAmino() *codec.LegacyAmino
-	BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock) abci.ResponseBeginBlock
-	EndBlocker(ctx sdk.Context, req abci.RequestEndBlock) abci.ResponseEndBlock
-	InitChainer(ctx sdk.Context, req abci.RequestInitChain) abci.ResponseInitChain
+// Running as a go test:
+//
+// go test -v -run=TestFullAppSimulation ./app -NumBlocks 200 -BlockSize 10 -Commit -Enabled -Period 1
+func TestFullAppSimulation(t *testing.T) {
+	config := simcli.NewConfigFromFlags()
+	config.ChainID = simulationAppChainID
+
+	if !simcli.FlagEnabledValue {
+		t.Skip("skipping application simulation")
+	}
+
+	db, dir, logger, _, err := simtestutil.SetupSimulation(
+		config,
+		simulationDirPrefix,
+		simulationDBName,
+		simcli.FlagVerboseValue,
+		true, // Don't use this as it is confusing
+	)
+	require.NoError(t, err, "simulation setup failed")
+
+	defer func() {
+		require.NoError(t, db.Close())
+		require.NoError(t, os.RemoveAll(dir))
+	}()
+
+	app := app.New(logger,
+		db,
+		nil,
+		true,
+		map[int64]bool{},
+		app.DefaultNodeHome,
+		simcli.FlagPeriodValue,
+		app.MakeTestEncodingConfig(),
+		simtestutil.EmptyAppOptions{},
+		baseapp.SetChainID(simulationAppChainID),
+	)
+
+	// run randomized simulation
+	_, simParams, simErr := simulation.SimulateFromSeed(
+		t,
+		os.Stdout,
+		app.BaseApp,
+		simtestutil.AppStateFn(app.AppCodec(), app.SimulationManager(), app.DefaultGenesis()),
+		simtypes.RandomAccounts,
+		simtestutil.SimulationOperations(app, app.AppCodec(), config),
+		app.BankKeeper.GetBlockedAddresses(),
+		config,
+		app.AppCodec(),
+	)
+
+	// export state and simParams before the simulatino error is checked
+	err = simtestutil.CheckExportSimulation(app, config, simParams)
+	require.NoError(t, err)
+	require.NoError(t, simErr)
+
+	if config.Commit {
+		simtestutil.PrintStats(db)
+	}
 }
 
 // BenchmarkSimulation run the chain simulation
@@ -61,8 +108,7 @@ func BenchmarkSimulation(b *testing.B) {
 
 	encoding := app.MakeTestEncodingConfig()
 
-	simApp := app.New(
-		logger,
+	app := app.New(logger,
 		db,
 		nil,
 		true,
@@ -77,17 +123,17 @@ func BenchmarkSimulation(b *testing.B) {
 	_, simParams, simErr := simulation.SimulateFromSeed(
 		b,
 		os.Stdout,
-		simApp.GetBaseApp(),
-		simtestutil.AppStateFn(simApp.AppCodec(), simApp.SimulationManager(), simApp.DefaultGenesis()),
-		simulationtypes.RandomAccounts,
-		simtestutil.SimulationOperations(simApp, simApp.AppCodec(), config),
-		simApp.ModuleAccountAddrs(),
+		app.GetBaseApp(),
+		simtestutil.AppStateFn(app.AppCodec(), app.SimulationManager(), app.DefaultGenesis()),
+		simtypes.RandomAccounts,
+		simtestutil.SimulationOperations(app, app.AppCodec(), config),
+		app.ModuleAccountAddrs(),
 		config,
-		simApp.AppCodec(),
+		app.AppCodec(),
 	)
 
 	// export state and simParams before the simulation error is checked
-	err = simtestutil.CheckExportSimulation(simApp, config, simParams)
+	err = simtestutil.CheckExportSimulation(app, config, simParams)
 	require.NoError(b, err)
 	require.NoError(b, simErr)
 

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/cometbft/cometbft v0.37.1
 	github.com/cometbft/cometbft-db v0.8.0
 	github.com/cosmos/cosmos-proto v1.0.0-beta.2
-	github.com/cosmos/cosmos-sdk v0.47.2
+	github.com/cosmos/cosmos-sdk v0.47.3-0.20230513170018-83d600596f5d
 	github.com/cosmos/ibc-go/v7 v7.0.0
 	github.com/golang/mock v1.6.0
 	github.com/golang/protobuf v1.5.3
@@ -19,12 +19,12 @@ require (
 	github.com/spf13/viper v1.15.0
 	github.com/stretchr/testify v1.8.2
 	golang.org/x/exp v0.0.0-20230321023759-10a507213a29
-	google.golang.org/genproto v0.0.0-20230216225411-c8e22ba71e44
-	google.golang.org/grpc v1.54.0
+	google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4
+	google.golang.org/grpc v1.55.0
 	google.golang.org/protobuf v1.30.0
 )
 
-require github.com/cosmos/gogoproto v1.4.8
+require github.com/cosmos/gogoproto v1.4.10
 
 require (
 	cloud.google.com/go v0.110.0 // indirect
@@ -35,6 +35,7 @@ require (
 	cosmossdk.io/api v0.3.1 // indirect
 	cosmossdk.io/core v0.5.1 // indirect
 	cosmossdk.io/depinject v1.0.0-alpha.3 // indirect
+	cosmossdk.io/log v1.1.0 // indirect
 	filippo.io/edwards25519 v1.0.0 // indirect
 	github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4 // indirect
 	github.com/99designs/keyring v1.2.1 // indirect
@@ -107,35 +108,34 @@ require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/jmhodges/levigo v1.0.0 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/compress v1.16.3 // indirect
 	github.com/leodido/go-urn v1.2.1 // indirect
 	github.com/lib/pq v1.10.7 // indirect
 	github.com/libp2p/go-buffer-pool v0.1.0 // indirect
 	github.com/linxGnu/grocksdb v1.7.16 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/manifoldco/promptui v0.9.0 // indirect
-	github.com/mattn/go-isatty v0.0.17 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.18 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/mimoo/StrobeGo v0.0.0-20210601165009-122bf33a46e0 // indirect
 	github.com/minio/highwayhash v1.0.2 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/mtibben/percent v0.2.1 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
-	github.com/petermattis/goid v0.0.0-20221215004737-a150e88a970d // indirect
+	github.com/pelletier/go-toml/v2 v2.0.7 // indirect
+	github.com/petermattis/goid v0.0.0-20230317030725-371a4b8eda08 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_golang v1.14.0 // indirect
 	github.com/prometheus/client_model v0.3.0 // indirect
-	github.com/prometheus/common v0.40.0 // indirect
+	github.com/prometheus/common v0.42.0 // indirect
 	github.com/prometheus/procfs v0.9.0 // indirect
 	github.com/rakyll/statik v0.1.7 // indirect
 	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 // indirect
 	github.com/rs/cors v1.8.3 // indirect
+	github.com/rs/zerolog v1.29.1 // indirect
 	github.com/sasha-s/go-deadlock v0.3.1 // indirect
 	github.com/spf13/afero v1.9.3 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect