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baseapp_test.go
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baseapp_test.go
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package baseapp
import (
"bytes"
"encoding/binary"
"encoding/json"
"fmt"
"math/rand"
"strings"
"sync"
"testing"
"time"
"github.com/gogo/protobuf/jsonpb"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/libs/log"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
dbm "github.com/tendermint/tm-db"
"github.com/cosmos/cosmos-sdk/codec"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
pruningtypes "github.com/cosmos/cosmos-sdk/pruning/types"
"github.com/cosmos/cosmos-sdk/snapshots"
snapshottypes "github.com/cosmos/cosmos-sdk/snapshots/types"
"github.com/cosmos/cosmos-sdk/store/rootmulti"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
"github.com/cosmos/cosmos-sdk/testutil"
"github.com/cosmos/cosmos-sdk/testutil/testdata"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/cosmos/cosmos-sdk/x/auth/migrations/legacytx"
)
var (
capKey1 = sdk.NewKVStoreKey("key1")
capKey2 = sdk.NewKVStoreKey("key2")
// testTxPriority is the CheckTx priority that we set in the test
// antehandler.
testTxPriority = int64(42)
)
type paramStore struct {
db *dbm.MemDB
}
type setupConfig struct {
blocks uint64
blockTxs int
snapshotInterval uint64
snapshotKeepRecent uint32
pruningOpts pruningtypes.PruningOptions
}
func (ps *paramStore) Set(_ sdk.Context, key []byte, value interface{}) {
bz, err := json.Marshal(value)
if err != nil {
panic(err)
}
ps.db.Set(key, bz)
}
func (ps *paramStore) Has(_ sdk.Context, key []byte) bool {
ok, err := ps.db.Has(key)
if err != nil {
panic(err)
}
return ok
}
func (ps *paramStore) Get(_ sdk.Context, key []byte, ptr interface{}) {
bz, err := ps.db.Get(key)
if err != nil {
panic(err)
}
if len(bz) == 0 {
return
}
if err := json.Unmarshal(bz, ptr); err != nil {
panic(err)
}
}
func defaultLogger() log.Logger {
return log.MustNewDefaultLogger("plain", "info", false).With("module", "sdk/app")
}
func newBaseApp(name string, options ...func(*BaseApp)) *BaseApp {
logger := defaultLogger()
db := dbm.NewMemDB()
codec := codec.NewLegacyAmino()
registerTestCodec(codec)
return NewBaseApp(name, logger, db, testTxDecoder(codec), options...)
}
func registerTestCodec(cdc *codec.LegacyAmino) {
// register Tx, Msg
sdk.RegisterLegacyAminoCodec(cdc)
// register test types
cdc.RegisterConcrete(&txTest{}, "cosmos-sdk/baseapp/txTest", nil)
cdc.RegisterConcrete(&msgCounter{}, "cosmos-sdk/baseapp/msgCounter", nil)
cdc.RegisterConcrete(&msgCounter2{}, "cosmos-sdk/baseapp/msgCounter2", nil)
cdc.RegisterConcrete(&msgKeyValue{}, "cosmos-sdk/baseapp/msgKeyValue", nil)
cdc.RegisterConcrete(&msgNoRoute{}, "cosmos-sdk/baseapp/msgNoRoute", nil)
}
// aminoTxEncoder creates a amino TxEncoder for testing purposes.
func aminoTxEncoder() sdk.TxEncoder {
cdc := codec.NewLegacyAmino()
registerTestCodec(cdc)
return legacytx.StdTxConfig{Cdc: cdc}.TxEncoder()
}
// simple one store baseapp
func setupBaseApp(t *testing.T, options ...func(*BaseApp)) *BaseApp {
app := newBaseApp(t.Name(), options...)
require.Equal(t, t.Name(), app.Name())
app.MountStores(capKey1, capKey2)
app.SetParamStore(¶mStore{db: dbm.NewMemDB()})
// stores are mounted
err := app.LoadLatestVersion()
require.Nil(t, err)
return app
}
// simple one store baseapp with data and snapshots. Each tx is 1 MB in size (uncompressed).
func setupBaseAppWithSnapshots(t *testing.T, config *setupConfig) (*BaseApp, error) {
codec := codec.NewLegacyAmino()
registerTestCodec(codec)
routerOpt := func(bapp *BaseApp) {
bapp.Router().AddRoute(sdk.NewRoute(routeMsgKeyValue, func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
kv := msg.(*msgKeyValue)
bapp.cms.GetCommitKVStore(capKey2).Set(kv.Key, kv.Value)
return &sdk.Result{}, nil
}))
}
snapshotTimeout := 1 * time.Minute
snapshotStore, err := snapshots.NewStore(dbm.NewMemDB(), testutil.GetTempDir(t))
require.NoError(t, err)
app := setupBaseApp(t, routerOpt, SetSnapshot(snapshotStore, snapshottypes.NewSnapshotOptions(config.snapshotInterval, uint32(config.snapshotKeepRecent))), SetPruning(config.pruningOpts))
app.InitChain(abci.RequestInitChain{})
r := rand.New(rand.NewSource(3920758213583))
keyCounter := 0
for height := int64(1); height <= int64(config.blocks); height++ {
app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: height}})
for txNum := 0; txNum < config.blockTxs; txNum++ {
tx := txTest{Msgs: []sdk.Msg{}}
for msgNum := 0; msgNum < 100; msgNum++ {
key := []byte(fmt.Sprintf("%v", keyCounter))
value := make([]byte, 10000)
_, err := r.Read(value)
require.NoError(t, err)
tx.Msgs = append(tx.Msgs, msgKeyValue{Key: key, Value: value})
keyCounter++
}
txBytes, err := codec.Marshal(tx)
require.NoError(t, err)
resp := app.DeliverTx(abci.RequestDeliverTx{Tx: txBytes})
require.True(t, resp.IsOK(), "%v", resp.String())
}
app.EndBlock(abci.RequestEndBlock{Height: height})
app.Commit()
// Wait for snapshot to be taken, since it happens asynchronously.
if config.snapshotInterval > 0 && uint64(height)%config.snapshotInterval == 0 {
start := time.Now()
for {
if time.Since(start) > snapshotTimeout {
t.Errorf("timed out waiting for snapshot after %v", snapshotTimeout)
}
snapshot, err := snapshotStore.Get(uint64(height), snapshottypes.CurrentFormat)
require.NoError(t, err)
if snapshot != nil {
break
}
time.Sleep(100 * time.Millisecond)
}
}
}
return app, nil
}
func TestMountStores(t *testing.T) {
app := setupBaseApp(t)
// check both stores
store1 := app.cms.GetCommitKVStore(capKey1)
require.NotNil(t, store1)
store2 := app.cms.GetCommitKVStore(capKey2)
require.NotNil(t, store2)
}
// Test that we can make commits and then reload old versions.
// Test that LoadLatestVersion actually does.
func TestLoadVersion(t *testing.T) {
logger := defaultLogger()
pruningOpt := SetPruning(pruningtypes.NewPruningOptions(pruningtypes.PruningNothing))
db := dbm.NewMemDB()
name := t.Name()
app := NewBaseApp(name, logger, db, nil, pruningOpt)
// make a cap key and mount the store
err := app.LoadLatestVersion() // needed to make stores non-nil
require.Nil(t, err)
emptyCommitID := storetypes.CommitID{}
// fresh store has zero/empty last commit
lastHeight := app.LastBlockHeight()
lastID := app.LastCommitID()
require.Equal(t, int64(0), lastHeight)
require.Equal(t, emptyCommitID, lastID)
// execute a block, collect commit ID
header := tmproto.Header{Height: 1}
app.BeginBlock(abci.RequestBeginBlock{Header: header})
res := app.Commit()
commitID1 := storetypes.CommitID{Version: 1, Hash: res.Data}
// execute a block, collect commit ID
header = tmproto.Header{Height: 2}
app.BeginBlock(abci.RequestBeginBlock{Header: header})
res = app.Commit()
commitID2 := storetypes.CommitID{Version: 2, Hash: res.Data}
// reload with LoadLatestVersion
app = NewBaseApp(name, logger, db, nil, pruningOpt)
app.MountStores()
err = app.LoadLatestVersion()
require.Nil(t, err)
testLoadVersionHelper(t, app, int64(2), commitID2)
// reload with LoadVersion, see if you can commit the same block and get
// the same result
app = NewBaseApp(name, logger, db, nil, pruningOpt)
err = app.LoadVersion(1)
require.Nil(t, err)
testLoadVersionHelper(t, app, int64(1), commitID1)
app.BeginBlock(abci.RequestBeginBlock{Header: header})
app.Commit()
testLoadVersionHelper(t, app, int64(2), commitID2)
}
func useDefaultLoader(app *BaseApp) {
app.SetStoreLoader(DefaultStoreLoader)
}
func initStore(t *testing.T, db dbm.DB, storeKey string, k, v []byte) {
rs := rootmulti.NewStore(db, log.NewNopLogger())
rs.SetPruning(pruningtypes.NewPruningOptions(pruningtypes.PruningNothing))
key := sdk.NewKVStoreKey(storeKey)
rs.MountStoreWithDB(key, storetypes.StoreTypeIAVL, nil)
err := rs.LoadLatestVersion()
require.Nil(t, err)
require.Equal(t, int64(0), rs.LastCommitID().Version)
// write some data in substore
kv, _ := rs.GetStore(key).(storetypes.KVStore)
require.NotNil(t, kv)
kv.Set(k, v)
commitID := rs.Commit()
require.Equal(t, int64(1), commitID.Version)
}
func checkStore(t *testing.T, db dbm.DB, ver int64, storeKey string, k, v []byte) {
rs := rootmulti.NewStore(db, log.NewNopLogger())
rs.SetPruning(pruningtypes.NewPruningOptions(pruningtypes.PruningDefault))
key := sdk.NewKVStoreKey(storeKey)
rs.MountStoreWithDB(key, storetypes.StoreTypeIAVL, nil)
err := rs.LoadLatestVersion()
require.Nil(t, err)
require.Equal(t, ver, rs.LastCommitID().Version)
// query data in substore
kv, _ := rs.GetStore(key).(storetypes.KVStore)
require.NotNil(t, kv)
require.Equal(t, v, kv.Get(k))
}
// Test that we can make commits and then reload old versions.
// Test that LoadLatestVersion actually does.
func TestSetLoader(t *testing.T) {
cases := map[string]struct {
setLoader func(*BaseApp)
origStoreKey string
loadStoreKey string
}{
"don't set loader": {
origStoreKey: "foo",
loadStoreKey: "foo",
},
"default loader": {
setLoader: useDefaultLoader,
origStoreKey: "foo",
loadStoreKey: "foo",
},
}
k := []byte("key")
v := []byte("value")
for name, tc := range cases {
tc := tc
t.Run(name, func(t *testing.T) {
// prepare a db with some data
db := dbm.NewMemDB()
initStore(t, db, tc.origStoreKey, k, v)
// load the app with the existing db
opts := []func(*BaseApp){SetPruning(pruningtypes.NewPruningOptions(pruningtypes.PruningNothing))}
if tc.setLoader != nil {
opts = append(opts, tc.setLoader)
}
app := NewBaseApp(t.Name(), defaultLogger(), db, nil, opts...)
app.MountStores(sdk.NewKVStoreKey(tc.loadStoreKey))
err := app.LoadLatestVersion()
require.Nil(t, err)
// "execute" one block
app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: 2}})
res := app.Commit()
require.NotNil(t, res.Data)
// check db is properly updated
checkStore(t, db, 2, tc.loadStoreKey, k, v)
checkStore(t, db, 2, tc.loadStoreKey, []byte("foo"), nil)
})
}
}
func TestVersionSetterGetter(t *testing.T) {
logger := defaultLogger()
pruningOpt := SetPruning(pruningtypes.NewPruningOptions(pruningtypes.PruningDefault))
db := dbm.NewMemDB()
name := t.Name()
app := NewBaseApp(name, logger, db, nil, pruningOpt)
require.Equal(t, "", app.Version())
res := app.Query(abci.RequestQuery{Path: "app/version"})
require.True(t, res.IsOK())
require.Equal(t, "", string(res.Value))
versionString := "1.0.0"
app.SetVersion(versionString)
require.Equal(t, versionString, app.Version())
res = app.Query(abci.RequestQuery{Path: "app/version"})
require.True(t, res.IsOK())
require.Equal(t, versionString, string(res.Value))
}
func TestLoadVersionInvalid(t *testing.T) {
logger := log.NewNopLogger()
pruningOpt := SetPruning(pruningtypes.NewPruningOptions(pruningtypes.PruningNothing))
db := dbm.NewMemDB()
name := t.Name()
app := NewBaseApp(name, logger, db, nil, pruningOpt)
err := app.LoadLatestVersion()
require.Nil(t, err)
// require error when loading an invalid version
err = app.LoadVersion(-1)
require.Error(t, err)
header := tmproto.Header{Height: 1}
app.BeginBlock(abci.RequestBeginBlock{Header: header})
res := app.Commit()
commitID1 := storetypes.CommitID{Version: 1, Hash: res.Data}
// create a new app with the stores mounted under the same cap key
app = NewBaseApp(name, logger, db, nil, pruningOpt)
// require we can load the latest version
err = app.LoadVersion(1)
require.Nil(t, err)
testLoadVersionHelper(t, app, int64(1), commitID1)
// require error when loading an invalid version
err = app.LoadVersion(2)
require.Error(t, err)
}
func TestLoadVersionPruning(t *testing.T) {
logger := log.NewNopLogger()
pruningOptions := pruningtypes.NewCustomPruningOptions(10, 15)
pruningOpt := SetPruning(pruningOptions)
db := dbm.NewMemDB()
name := t.Name()
app := NewBaseApp(name, logger, db, nil, pruningOpt)
// make a cap key and mount the store
capKey := sdk.NewKVStoreKey("key1")
app.MountStores(capKey)
err := app.LoadLatestVersion() // needed to make stores non-nil
require.Nil(t, err)
emptyCommitID := storetypes.CommitID{}
// fresh store has zero/empty last commit
lastHeight := app.LastBlockHeight()
lastID := app.LastCommitID()
require.Equal(t, int64(0), lastHeight)
require.Equal(t, emptyCommitID, lastID)
var lastCommitID storetypes.CommitID
// Commit seven blocks, of which 7 (latest) is kept in addition to 6, 5
// (keep recent) and 3 (keep every).
for i := int64(1); i <= 7; i++ {
app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: i}})
res := app.Commit()
lastCommitID = storetypes.CommitID{Version: i, Hash: res.Data}
}
for _, v := range []int64{1, 2, 4} {
_, err = app.cms.CacheMultiStoreWithVersion(v)
require.NoError(t, err)
}
for _, v := range []int64{3, 5, 6, 7} {
_, err = app.cms.CacheMultiStoreWithVersion(v)
require.NoError(t, err)
}
// reload with LoadLatestVersion, check it loads last version
app = NewBaseApp(name, logger, db, nil, pruningOpt)
app.MountStores(capKey)
err = app.LoadLatestVersion()
require.Nil(t, err)
testLoadVersionHelper(t, app, int64(7), lastCommitID)
}
func testLoadVersionHelper(t *testing.T, app *BaseApp, expectedHeight int64, expectedID storetypes.CommitID) {
lastHeight := app.LastBlockHeight()
lastID := app.LastCommitID()
require.Equal(t, expectedHeight, lastHeight)
require.Equal(t, expectedID, lastID)
}
func TestOptionFunction(t *testing.T) {
logger := defaultLogger()
db := dbm.NewMemDB()
bap := NewBaseApp("starting name", logger, db, nil, testChangeNameHelper("new name"))
require.Equal(t, bap.name, "new name", "BaseApp should have had name changed via option function")
}
func testChangeNameHelper(name string) func(*BaseApp) {
return func(bap *BaseApp) {
bap.name = name
}
}
// Test that txs can be unmarshalled and read and that
// correct error codes are returned when not
func TestTxDecoder(t *testing.T) {
codec := codec.NewLegacyAmino()
registerTestCodec(codec)
app := newBaseApp(t.Name())
tx := newTxCounter(1, 0)
txBytes := codec.MustMarshal(tx)
dTx, err := app.txDecoder(txBytes)
require.NoError(t, err)
cTx := dTx.(txTest)
require.Equal(t, tx.Counter, cTx.Counter)
}
// Test that Info returns the latest committed state.
func TestInfo(t *testing.T) {
app := newBaseApp(t.Name())
// ----- test an empty response -------
reqInfo := abci.RequestInfo{}
res := app.Info(reqInfo)
// should be empty
assert.Equal(t, "", res.Version)
assert.Equal(t, t.Name(), res.GetData())
assert.Equal(t, int64(0), res.LastBlockHeight)
require.Equal(t, []uint8(nil), res.LastBlockAppHash)
require.Equal(t, app.AppVersion(), res.AppVersion)
// ----- test a proper response -------
// TODO
}
func TestBaseAppOptionSeal(t *testing.T) {
app := setupBaseApp(t)
require.Panics(t, func() {
app.SetName("")
})
require.Panics(t, func() {
app.SetVersion("")
})
require.Panics(t, func() {
app.SetDB(nil)
})
require.Panics(t, func() {
app.SetCMS(nil)
})
require.Panics(t, func() {
app.SetInitChainer(nil)
})
require.Panics(t, func() {
app.SetBeginBlocker(nil)
})
require.Panics(t, func() {
app.SetEndBlocker(nil)
})
require.Panics(t, func() {
app.SetAnteHandler(nil)
})
require.Panics(t, func() {
app.SetAddrPeerFilter(nil)
})
require.Panics(t, func() {
app.SetIDPeerFilter(nil)
})
require.Panics(t, func() {
app.SetFauxMerkleMode()
})
require.Panics(t, func() {
app.SetRouter(NewRouter())
})
}
func TestSetMinGasPrices(t *testing.T) {
minGasPrices := sdk.DecCoins{sdk.NewInt64DecCoin("stake", 5000)}
app := newBaseApp(t.Name(), SetMinGasPrices(minGasPrices.String()))
require.Equal(t, minGasPrices, app.minGasPrices)
}
func TestInitChainer(t *testing.T) {
name := t.Name()
// keep the db and logger ourselves so
// we can reload the same app later
db := dbm.NewMemDB()
logger := defaultLogger()
app := NewBaseApp(name, logger, db, nil)
capKey := sdk.NewKVStoreKey("main")
capKey2 := sdk.NewKVStoreKey("key2")
app.MountStores(capKey, capKey2)
// set a value in the store on init chain
key, value := []byte("hello"), []byte("goodbye")
var initChainer sdk.InitChainer = func(ctx sdk.Context, req abci.RequestInitChain) abci.ResponseInitChain {
store := ctx.KVStore(capKey)
store.Set(key, value)
return abci.ResponseInitChain{}
}
query := abci.RequestQuery{
Path: "/store/main/key",
Data: key,
}
// initChainer is nil - nothing happens
app.InitChain(abci.RequestInitChain{})
res := app.Query(query)
require.Equal(t, 0, len(res.Value))
// set initChainer and try again - should see the value
app.SetInitChainer(initChainer)
// stores are mounted and private members are set - sealing baseapp
err := app.LoadLatestVersion() // needed to make stores non-nil
require.Nil(t, err)
require.Equal(t, int64(0), app.LastBlockHeight())
initChainRes := app.InitChain(abci.RequestInitChain{AppStateBytes: []byte("{}"), ChainId: "test-chain-id"}) // must have valid JSON genesis file, even if empty
// The AppHash returned by a new chain is the sha256 hash of "".
// $ echo -n '' | sha256sum
// e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
require.Equal(
t,
[]byte{0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55},
initChainRes.AppHash,
)
// assert that chainID is set correctly in InitChain
chainID := app.deliverState.ctx.ChainID()
require.Equal(t, "test-chain-id", chainID, "ChainID in deliverState not set correctly in InitChain")
chainID = app.checkState.ctx.ChainID()
require.Equal(t, "test-chain-id", chainID, "ChainID in checkState not set correctly in InitChain")
app.Commit()
res = app.Query(query)
require.Equal(t, int64(1), app.LastBlockHeight())
require.Equal(t, value, res.Value)
// reload app
app = NewBaseApp(name, logger, db, nil)
app.SetInitChainer(initChainer)
app.MountStores(capKey, capKey2)
err = app.LoadLatestVersion() // needed to make stores non-nil
require.Nil(t, err)
require.Equal(t, int64(1), app.LastBlockHeight())
// ensure we can still query after reloading
res = app.Query(query)
require.Equal(t, value, res.Value)
// commit and ensure we can still query
header := tmproto.Header{Height: app.LastBlockHeight() + 1}
app.BeginBlock(abci.RequestBeginBlock{Header: header})
app.Commit()
res = app.Query(query)
require.Equal(t, value, res.Value)
}
func TestInitChain_WithInitialHeight(t *testing.T) {
name := t.Name()
db := dbm.NewMemDB()
logger := defaultLogger()
app := NewBaseApp(name, logger, db, nil)
app.InitChain(
abci.RequestInitChain{
InitialHeight: 3,
},
)
app.Commit()
require.Equal(t, int64(3), app.LastBlockHeight())
}
func TestBeginBlock_WithInitialHeight(t *testing.T) {
name := t.Name()
db := dbm.NewMemDB()
logger := defaultLogger()
app := NewBaseApp(name, logger, db, nil)
app.InitChain(
abci.RequestInitChain{
InitialHeight: 3,
},
)
require.PanicsWithError(t, "invalid height: 4; expected: 3", func() {
app.BeginBlock(abci.RequestBeginBlock{
Header: tmproto.Header{
Height: 4,
},
})
})
app.BeginBlock(abci.RequestBeginBlock{
Header: tmproto.Header{
Height: 3,
},
})
app.Commit()
require.Equal(t, int64(3), app.LastBlockHeight())
}
// Simple tx with a list of Msgs.
type txTest struct {
Msgs []sdk.Msg
Counter int64
FailOnAnte bool
}
func (tx *txTest) setFailOnAnte(fail bool) {
tx.FailOnAnte = fail
}
func (tx *txTest) setFailOnHandler(fail bool) {
for i, msg := range tx.Msgs {
tx.Msgs[i] = msgCounter{msg.(msgCounter).Counter, fail}
}
}
// Implements Tx
func (tx txTest) GetMsgs() []sdk.Msg { return tx.Msgs }
func (tx txTest) ValidateBasic() error { return nil }
const (
routeMsgCounter = "msgCounter"
routeMsgCounter2 = "msgCounter2"
routeMsgKeyValue = "msgKeyValue"
)
// ValidateBasic() fails on negative counters.
// Otherwise it's up to the handlers
type msgCounter struct {
Counter int64
FailOnHandler bool
}
// dummy implementation of proto.Message
func (msg msgCounter) Reset() {}
func (msg msgCounter) String() string { return "TODO" }
func (msg msgCounter) ProtoMessage() {}
// Implements Msg
func (msg msgCounter) Route() string { return routeMsgCounter }
func (msg msgCounter) Type() string { return "counter1" }
func (msg msgCounter) GetSignBytes() []byte { return nil }
func (msg msgCounter) GetSigners() []sdk.AccAddress { return nil }
func (msg msgCounter) ValidateBasic() error {
if msg.Counter >= 0 {
return nil
}
return sdkerrors.Wrap(sdkerrors.ErrInvalidSequence, "counter should be a non-negative integer")
}
func newTxCounter(counter int64, msgCounters ...int64) *txTest {
msgs := make([]sdk.Msg, 0, len(msgCounters))
for _, c := range msgCounters {
msgs = append(msgs, msgCounter{c, false})
}
return &txTest{msgs, counter, false}
}
// a msg we dont know how to route
type msgNoRoute struct {
msgCounter
}
func (tx msgNoRoute) Route() string { return "noroute" }
// a msg we dont know how to decode
type msgNoDecode struct {
msgCounter
}
func (tx msgNoDecode) Route() string { return routeMsgCounter }
// Another counter msg. Duplicate of msgCounter
type msgCounter2 struct {
Counter int64
}
// dummy implementation of proto.Message
func (msg msgCounter2) Reset() {}
func (msg msgCounter2) String() string { return "TODO" }
func (msg msgCounter2) ProtoMessage() {}
// Implements Msg
func (msg msgCounter2) Route() string { return routeMsgCounter2 }
func (msg msgCounter2) Type() string { return "counter2" }
func (msg msgCounter2) GetSignBytes() []byte { return nil }
func (msg msgCounter2) GetSigners() []sdk.AccAddress { return nil }
func (msg msgCounter2) ValidateBasic() error {
if msg.Counter >= 0 {
return nil
}
return sdkerrors.Wrap(sdkerrors.ErrInvalidSequence, "counter should be a non-negative integer")
}
// A msg that sets a key/value pair.
type msgKeyValue struct {
Key []byte
Value []byte
}
func (msg msgKeyValue) Reset() {}
func (msg msgKeyValue) String() string { return "TODO" }
func (msg msgKeyValue) ProtoMessage() {}
func (msg msgKeyValue) Route() string { return routeMsgKeyValue }
func (msg msgKeyValue) Type() string { return "keyValue" }
func (msg msgKeyValue) GetSignBytes() []byte { return nil }
func (msg msgKeyValue) GetSigners() []sdk.AccAddress { return nil }
func (msg msgKeyValue) ValidateBasic() error {
if msg.Key == nil {
return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "key cannot be nil")
}
if msg.Value == nil {
return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "value cannot be nil")
}
return nil
}
// amino decode
func testTxDecoder(cdc *codec.LegacyAmino) sdk.TxDecoder {
return func(txBytes []byte) (sdk.Tx, error) {
var tx txTest
if len(txBytes) == 0 {
return nil, sdkerrors.Wrap(sdkerrors.ErrTxDecode, "tx bytes are empty")
}
err := cdc.Unmarshal(txBytes, &tx)
if err != nil {
return nil, sdkerrors.ErrTxDecode
}
return tx, nil
}
}
func anteHandlerTxTest(t *testing.T, capKey storetypes.StoreKey, storeKey []byte) sdk.AnteHandler {
return func(ctx sdk.Context, tx sdk.Tx, simulate bool) (sdk.Context, error) {
store := ctx.KVStore(capKey)
txTest := tx.(txTest)
if txTest.FailOnAnte {
return ctx, sdkerrors.Wrap(sdkerrors.ErrUnauthorized, "ante handler failure")
}
_, err := incrementingCounter(t, store, storeKey, txTest.Counter)
if err != nil {
return ctx, err
}
ctx.EventManager().EmitEvents(
counterEvent("ante_handler", txTest.Counter),
)
ctx = ctx.WithPriority(testTxPriority)
return ctx, nil
}
}
func counterEvent(evType string, msgCount int64) sdk.Events {
return sdk.Events{
sdk.NewEvent(
evType,
sdk.NewAttribute("update_counter", fmt.Sprintf("%d", msgCount)),
),
}
}
func handlerMsgCounter(t *testing.T, capKey storetypes.StoreKey, deliverKey []byte) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
ctx = ctx.WithEventManager(sdk.NewEventManager())
store := ctx.KVStore(capKey)
var msgCount int64
switch m := msg.(type) {
case *msgCounter:
if m.FailOnHandler {
return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "message handler failure")
}
msgCount = m.Counter
case *msgCounter2:
msgCount = m.Counter
}
ctx.EventManager().EmitEvents(
counterEvent(sdk.EventTypeMessage, msgCount),
)
res, err := incrementingCounter(t, store, deliverKey, msgCount)
if err != nil {
return nil, err
}
res.Events = ctx.EventManager().Events().ToABCIEvents()
return res, nil
}
}
func getIntFromStore(store sdk.KVStore, key []byte) int64 {
bz := store.Get(key)
if len(bz) == 0 {
return 0
}
i, err := binary.ReadVarint(bytes.NewBuffer(bz))
if err != nil {
panic(err)
}
return i
}
func setIntOnStore(store sdk.KVStore, key []byte, i int64) {
bz := make([]byte, 8)
n := binary.PutVarint(bz, i)
store.Set(key, bz[:n])
}
// check counter matches what's in store.
// increment and store
func incrementingCounter(t *testing.T, store sdk.KVStore, counterKey []byte, counter int64) (*sdk.Result, error) {
storedCounter := getIntFromStore(store, counterKey)
require.Equal(t, storedCounter, counter)
setIntOnStore(store, counterKey, counter+1)
return &sdk.Result{}, nil
}
//---------------------------------------------------------------------
// Tx processing - CheckTx, DeliverTx, SimulateTx.
// These tests use the serialized tx as input, while most others will use the
// Check(), Deliver(), Simulate() methods directly.
// Ensure that Check/Deliver/Simulate work as expected with the store.
// Test that successive CheckTx can see each others' effects
// on the store within a block, and that the CheckTx state
// gets reset to the latest committed state during Commit
func TestCheckTx(t *testing.T) {
// This ante handler reads the key and checks that the value matches the current counter.
// This ensures changes to the kvstore persist across successive CheckTx.
counterKey := []byte("counter-key")
anteOpt := func(bapp *BaseApp) { bapp.SetAnteHandler(anteHandlerTxTest(t, capKey1, counterKey)) }
routerOpt := func(bapp *BaseApp) {
// TODO: can remove this once CheckTx doesnt process msgs.
bapp.Router().AddRoute(sdk.NewRoute(routeMsgCounter, func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
return &sdk.Result{}, nil
}))
}
app := setupBaseApp(t, anteOpt, routerOpt)
nTxs := int64(5)
app.InitChain(abci.RequestInitChain{})
// Create same codec used in txDecoder
codec := codec.NewLegacyAmino()
registerTestCodec(codec)
for i := int64(0); i < nTxs; i++ {
tx := newTxCounter(i, 0) // no messages
txBytes, err := codec.Marshal(tx)
require.NoError(t, err)
r := app.CheckTx(abci.RequestCheckTx{Tx: txBytes})
require.Equal(t, testTxPriority, r.Priority)
require.Empty(t, r.GetEvents())
require.True(t, r.IsOK(), fmt.Sprintf("%v", r))
}
checkStateStore := app.checkState.ctx.KVStore(capKey1)
storedCounter := getIntFromStore(checkStateStore, counterKey)
// Ensure AnteHandler ran
require.Equal(t, nTxs, storedCounter)
// If a block is committed, CheckTx state should be reset.
header := tmproto.Header{Height: 1}
app.BeginBlock(abci.RequestBeginBlock{Header: header, Hash: []byte("hash")})
require.NotNil(t, app.checkState.ctx.BlockGasMeter(), "block gas meter should have been set to checkState")
require.NotEmpty(t, app.checkState.ctx.HeaderHash())
app.EndBlock(abci.RequestEndBlock{})
app.Commit()
checkStateStore = app.checkState.ctx.KVStore(capKey1)
storedBytes := checkStateStore.Get(counterKey)
require.Nil(t, storedBytes)
}
// Test that successive DeliverTx can see each others' effects
// on the store, both within and across blocks.
func TestDeliverTx(t *testing.T) {
// test increments in the ante
anteKey := []byte("ante-key")
anteOpt := func(bapp *BaseApp) { bapp.SetAnteHandler(anteHandlerTxTest(t, capKey1, anteKey)) }
// test increments in the handler
deliverKey := []byte("deliver-key")
routerOpt := func(bapp *BaseApp) {
r := sdk.NewRoute(routeMsgCounter, handlerMsgCounter(t, capKey1, deliverKey))
bapp.Router().AddRoute(r)
}
app := setupBaseApp(t, anteOpt, routerOpt)
app.InitChain(abci.RequestInitChain{})
// Create same codec used in txDecoder
codec := codec.NewLegacyAmino()
registerTestCodec(codec)
nBlocks := 3
txPerHeight := 5
for blockN := 0; blockN < nBlocks; blockN++ {
header := tmproto.Header{Height: int64(blockN) + 1}
app.BeginBlock(abci.RequestBeginBlock{Header: header})
for i := 0; i < txPerHeight; i++ {
counter := int64(blockN*txPerHeight + i)
tx := newTxCounter(counter, counter)
txBytes, err := codec.Marshal(tx)