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storeloader_test.go
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storeloader_test.go
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package types
import (
"encoding/json"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/require"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/libs/log"
tmlog "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/baseapp"
pruningtypes "github.com/cosmos/cosmos-sdk/store/pruning/types"
"github.com/cosmos/cosmos-sdk/store/rootmulti"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
func useUpgradeLoader(height int64, upgrades *storetypes.StoreUpgrades) func(*baseapp.BaseApp) {
return func(app *baseapp.BaseApp) {
app.SetStoreLoader(UpgradeStoreLoader(height, upgrades))
}
}
func defaultLogger() log.Logger {
return tmlog.NewTMLogger(tmlog.NewSyncWriter(os.Stdout))
}
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.PruningNothing))
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) {
upgradeHeight := int64(5)
// set a temporary home dir
homeDir := t.TempDir()
upgradeInfoFilePath := filepath.Join(homeDir, UpgradeInfoFilename)
upgradeInfo := &Plan{
Name: "test", Height: upgradeHeight,
}
data, err := json.Marshal(upgradeInfo)
require.NoError(t, err)
err = os.WriteFile(upgradeInfoFilePath, data, 0o644)
require.NoError(t, err)
// make sure it exists before running everything
_, err = os.Stat(upgradeInfoFilePath)
require.NoError(t, err)
cases := map[string]struct {
setLoader func(*baseapp.BaseApp)
origStoreKey string
loadStoreKey string
}{
"don't set loader": {
setLoader: nil,
origStoreKey: "foo",
loadStoreKey: "foo",
},
"rename with inline opts": {
setLoader: useUpgradeLoader(upgradeHeight, &storetypes.StoreUpgrades{
Renamed: []storetypes.StoreRename{{
OldKey: "foo",
NewKey: "bar",
}},
}),
origStoreKey: "foo",
loadStoreKey: "bar",
},
}
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.BaseApp){baseapp.SetPruning(pruningtypes.NewPruningOptions(pruningtypes.PruningNothing))}
origapp := baseapp.NewBaseApp(t.Name(), defaultLogger(), db, nil, opts...)
origapp.MountStores(sdk.NewKVStoreKey(tc.origStoreKey))
err := origapp.LoadLatestVersion()
require.Nil(t, err)
for i := int64(2); i <= upgradeHeight-1; i++ {
origapp.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: i}})
res := origapp.Commit()
require.NotNil(t, res.Data)
}
if tc.setLoader != nil {
opts = append(opts, tc.setLoader)
}
// load the new app with the original app db
app := baseapp.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: upgradeHeight}})
res := app.Commit()
require.NotNil(t, res.Data)
// checking the case of the store being renamed
if tc.setLoader != nil {
checkStore(t, db, upgradeHeight, tc.origStoreKey, k, nil)
}
// check db is properly updated
checkStore(t, db, upgradeHeight, tc.loadStoreKey, k, v)
})
}
}