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557 lines
17 KiB
557 lines
17 KiB
package store
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import (
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"bytes"
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"fmt"
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"os"
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"runtime/debug"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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db "github.com/tendermint/tm-db"
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dbm "github.com/tendermint/tm-db"
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cfg "github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/libs/log"
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sm "github.com/tendermint/tendermint/state"
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"github.com/tendermint/tendermint/types"
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tmtime "github.com/tendermint/tendermint/types/time"
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)
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// A cleanupFunc cleans up any config / test files created for a particular
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// test.
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type cleanupFunc func()
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// make a Commit with a single vote containing just the height and a timestamp
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func makeTestCommit(height int64, timestamp time.Time) *types.Commit {
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commitSigs := []types.CommitSig{{
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BlockIDFlag: types.BlockIDFlagCommit,
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ValidatorAddress: []byte("ValidatorAddress"),
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Timestamp: timestamp,
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Signature: []byte("Signature"),
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}}
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return types.NewCommit(height, 0, types.BlockID{}, commitSigs)
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}
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func makeTxs(height int64) (txs []types.Tx) {
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for i := 0; i < 10; i++ {
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txs = append(txs, types.Tx([]byte{byte(height), byte(i)}))
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}
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return txs
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}
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func makeBlock(height int64, state sm.State, lastCommit *types.Commit) *types.Block {
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block, _ := state.MakeBlock(height, makeTxs(height), lastCommit, nil, state.Validators.GetProposer().Address)
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return block
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}
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func makeStateAndBlockStore(logger log.Logger) (sm.State, *BlockStore, cleanupFunc) {
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config := cfg.ResetTestRoot("blockchain_reactor_test")
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// blockDB := dbm.NewDebugDB("blockDB", dbm.NewMemDB())
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// stateDB := dbm.NewDebugDB("stateDB", dbm.NewMemDB())
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blockDB := dbm.NewMemDB()
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stateDB := dbm.NewMemDB()
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state, err := sm.LoadStateFromDBOrGenesisFile(stateDB, config.GenesisFile())
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if err != nil {
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panic(fmt.Errorf("error constructing state from genesis file: %w", err))
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}
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return state, NewBlockStore(blockDB), func() { os.RemoveAll(config.RootDir) }
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}
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func TestLoadBlockStoreStateJSON(t *testing.T) {
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db := db.NewMemDB()
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bsj := &BlockStoreStateJSON{Base: 100, Height: 1000}
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bsj.Save(db)
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retrBSJ := LoadBlockStoreStateJSON(db)
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assert.Equal(t, *bsj, retrBSJ, "expected the retrieved DBs to match")
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}
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func TestLoadBlockStoreStateJSON_Empty(t *testing.T) {
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db := db.NewMemDB()
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bsj := &BlockStoreStateJSON{}
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bsj.Save(db)
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retrBSJ := LoadBlockStoreStateJSON(db)
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assert.Equal(t, BlockStoreStateJSON{}, retrBSJ, "expected the retrieved DBs to match")
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}
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func TestLoadBlockStoreStateJSON_NoBase(t *testing.T) {
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db := db.NewMemDB()
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bsj := &BlockStoreStateJSON{Height: 1000}
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bsj.Save(db)
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retrBSJ := LoadBlockStoreStateJSON(db)
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assert.Equal(t, BlockStoreStateJSON{Base: 1, Height: 1000}, retrBSJ, "expected the retrieved DBs to match")
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}
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func TestNewBlockStore(t *testing.T) {
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db := db.NewMemDB()
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err := db.Set(blockStoreKey, []byte(`{"base": "100", "height": "10000"}`))
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require.NoError(t, err)
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bs := NewBlockStore(db)
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require.Equal(t, int64(100), bs.Base(), "failed to properly parse blockstore")
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require.Equal(t, int64(10000), bs.Height(), "failed to properly parse blockstore")
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panicCausers := []struct {
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data []byte
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wantErr string
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}{
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{[]byte("artful-doger"), "not unmarshal bytes"},
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{[]byte(" "), "unmarshal bytes"},
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}
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for i, tt := range panicCausers {
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tt := tt
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// Expecting a panic here on trying to parse an invalid blockStore
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_, _, panicErr := doFn(func() (interface{}, error) {
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err := db.Set(blockStoreKey, tt.data)
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require.NoError(t, err)
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_ = NewBlockStore(db)
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return nil, nil
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})
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require.NotNil(t, panicErr, "#%d panicCauser: %q expected a panic", i, tt.data)
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assert.Contains(t, fmt.Sprintf("%#v", panicErr), tt.wantErr, "#%d data: %q", i, tt.data)
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}
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err = db.Set(blockStoreKey, nil)
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require.NoError(t, err)
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bs = NewBlockStore(db)
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assert.Equal(t, bs.Height(), int64(0), "expecting nil bytes to be unmarshaled alright")
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}
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func freshBlockStore() (*BlockStore, db.DB) {
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db := db.NewMemDB()
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return NewBlockStore(db), db
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}
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var (
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state sm.State
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block *types.Block
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partSet *types.PartSet
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part1 *types.Part
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part2 *types.Part
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seenCommit1 *types.Commit
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)
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func TestMain(m *testing.M) {
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var cleanup cleanupFunc
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state, _, cleanup = makeStateAndBlockStore(log.NewTMLogger(new(bytes.Buffer)))
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block = makeBlock(1, state, new(types.Commit))
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partSet = block.MakePartSet(2)
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part1 = partSet.GetPart(0)
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part2 = partSet.GetPart(1)
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seenCommit1 = makeTestCommit(10, tmtime.Now())
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code := m.Run()
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cleanup()
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os.Exit(code)
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}
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// TODO: This test should be simplified ...
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func TestBlockStoreSaveLoadBlock(t *testing.T) {
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state, bs, cleanup := makeStateAndBlockStore(log.NewTMLogger(new(bytes.Buffer)))
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defer cleanup()
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require.Equal(t, bs.Base(), int64(0), "initially the base should be zero")
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require.Equal(t, bs.Height(), int64(0), "initially the height should be zero")
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// check there are no blocks at various heights
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noBlockHeights := []int64{0, -1, 100, 1000, 2}
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for i, height := range noBlockHeights {
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if g := bs.LoadBlock(height); g != nil {
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t.Errorf("#%d: height(%d) got a block; want nil", i, height)
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}
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}
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// save a block
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block := makeBlock(bs.Height()+1, state, new(types.Commit))
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validPartSet := block.MakePartSet(2)
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seenCommit := makeTestCommit(10, tmtime.Now())
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bs.SaveBlock(block, partSet, seenCommit)
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require.EqualValues(t, 1, bs.Base(), "expecting the new height to be changed")
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require.EqualValues(t, block.Header.Height, bs.Height(), "expecting the new height to be changed")
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incompletePartSet := types.NewPartSetFromHeader(types.PartSetHeader{Total: 2})
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uncontiguousPartSet := types.NewPartSetFromHeader(types.PartSetHeader{Total: 0})
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uncontiguousPartSet.AddPart(part2)
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header1 := types.Header{
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Height: 1,
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ChainID: "block_test",
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Time: tmtime.Now(),
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}
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// End of setup, test data
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commitAtH10 := makeTestCommit(10, tmtime.Now())
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tuples := []struct {
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block *types.Block
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parts *types.PartSet
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seenCommit *types.Commit
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wantPanic string
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wantErr bool
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corruptBlockInDB bool
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corruptCommitInDB bool
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corruptSeenCommitInDB bool
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eraseCommitInDB bool
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eraseSeenCommitInDB bool
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}{
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{
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block: newBlock(header1, commitAtH10),
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parts: validPartSet,
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seenCommit: seenCommit1,
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},
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{
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block: nil,
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wantPanic: "only save a non-nil block",
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},
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{
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block: newBlock( // New block at height 5 in empty block store is fine
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types.Header{Height: 5, ChainID: "block_test", Time: tmtime.Now()},
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makeTestCommit(5, tmtime.Now()),
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),
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parts: validPartSet,
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seenCommit: makeTestCommit(5, tmtime.Now()),
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},
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{
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block: newBlock(header1, commitAtH10),
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parts: incompletePartSet,
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wantPanic: "only save complete block", // incomplete parts
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},
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{
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block: newBlock(header1, commitAtH10),
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parts: validPartSet,
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seenCommit: seenCommit1,
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corruptCommitInDB: true, // Corrupt the DB's commit entry
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wantPanic: "unmarshal to types.Commit failed",
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},
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{
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block: newBlock(header1, commitAtH10),
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parts: validPartSet,
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seenCommit: seenCommit1,
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wantPanic: "unmarshal to types.BlockMeta failed",
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corruptBlockInDB: true, // Corrupt the DB's block entry
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},
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{
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block: newBlock(header1, commitAtH10),
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parts: validPartSet,
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seenCommit: seenCommit1,
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// Expecting no error and we want a nil back
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eraseSeenCommitInDB: true,
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},
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{
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block: newBlock(header1, commitAtH10),
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parts: validPartSet,
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seenCommit: seenCommit1,
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corruptSeenCommitInDB: true,
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wantPanic: "unmarshal to types.Commit failed",
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},
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{
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block: newBlock(header1, commitAtH10),
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parts: validPartSet,
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seenCommit: seenCommit1,
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// Expecting no error and we want a nil back
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eraseCommitInDB: true,
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},
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}
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type quad struct {
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block *types.Block
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commit *types.Commit
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meta *types.BlockMeta
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seenCommit *types.Commit
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}
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for i, tuple := range tuples {
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tuple := tuple
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bs, db := freshBlockStore()
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// SaveBlock
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res, err, panicErr := doFn(func() (interface{}, error) {
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bs.SaveBlock(tuple.block, tuple.parts, tuple.seenCommit)
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if tuple.block == nil {
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return nil, nil
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}
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if tuple.corruptBlockInDB {
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err := db.Set(calcBlockMetaKey(tuple.block.Height), []byte("block-bogus"))
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require.NoError(t, err)
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}
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bBlock := bs.LoadBlock(tuple.block.Height)
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bBlockMeta := bs.LoadBlockMeta(tuple.block.Height)
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if tuple.eraseSeenCommitInDB {
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db.Delete(calcSeenCommitKey(tuple.block.Height))
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}
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if tuple.corruptSeenCommitInDB {
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err := db.Set(calcSeenCommitKey(tuple.block.Height), []byte("bogus-seen-commit"))
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require.NoError(t, err)
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}
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bSeenCommit := bs.LoadSeenCommit(tuple.block.Height)
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commitHeight := tuple.block.Height - 1
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if tuple.eraseCommitInDB {
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db.Delete(calcBlockCommitKey(commitHeight))
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}
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if tuple.corruptCommitInDB {
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err := db.Set(calcBlockCommitKey(commitHeight), []byte("foo-bogus"))
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require.NoError(t, err)
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}
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bCommit := bs.LoadBlockCommit(commitHeight)
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return &quad{block: bBlock, seenCommit: bSeenCommit, commit: bCommit,
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meta: bBlockMeta}, nil
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})
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if subStr := tuple.wantPanic; subStr != "" {
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if panicErr == nil {
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t.Errorf("#%d: want a non-nil panic", i)
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} else if got := fmt.Sprintf("%#v", panicErr); !strings.Contains(got, subStr) {
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t.Errorf("#%d:\n\tgotErr: %q\nwant substring: %q", i, got, subStr)
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}
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continue
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}
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if tuple.wantErr {
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if err == nil {
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t.Errorf("#%d: got nil error", i)
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}
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continue
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}
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assert.Nil(t, panicErr, "#%d: unexpected panic", i)
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assert.Nil(t, err, "#%d: expecting a non-nil error", i)
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qua, ok := res.(*quad)
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if !ok || qua == nil {
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t.Errorf("#%d: got nil quad back; gotType=%T", i, res)
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continue
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}
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if tuple.eraseSeenCommitInDB {
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assert.Nil(t, qua.seenCommit,
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"erased the seenCommit in the DB hence we should get back a nil seenCommit")
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}
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if tuple.eraseCommitInDB {
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assert.Nil(t, qua.commit,
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"erased the commit in the DB hence we should get back a nil commit")
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}
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}
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}
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func TestLoadBlockPart(t *testing.T) {
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bs, db := freshBlockStore()
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height, index := int64(10), 1
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loadPart := func() (interface{}, error) {
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part := bs.LoadBlockPart(height, index)
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return part, nil
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}
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// Initially no contents.
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// 1. Requesting for a non-existent block shouldn't fail
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res, _, panicErr := doFn(loadPart)
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require.Nil(t, panicErr, "a non-existent block part shouldn't cause a panic")
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require.Nil(t, res, "a non-existent block part should return nil")
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// 2. Next save a corrupted block then try to load it
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err := db.Set(calcBlockPartKey(height, index), []byte("Tendermint"))
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require.NoError(t, err)
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res, _, panicErr = doFn(loadPart)
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require.NotNil(t, panicErr, "expecting a non-nil panic")
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require.Contains(t, panicErr.Error(), "unmarshal to types.Part failed")
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// 3. A good block serialized and saved to the DB should be retrievable
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err = db.Set(calcBlockPartKey(height, index), cdc.MustMarshalBinaryBare(part1))
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require.NoError(t, err)
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gotPart, _, panicErr := doFn(loadPart)
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require.Nil(t, panicErr, "an existent and proper block should not panic")
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require.Nil(t, res, "a properly saved block should return a proper block")
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require.Equal(t, gotPart.(*types.Part), part1,
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"expecting successful retrieval of previously saved block")
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}
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func TestPruneBlocks(t *testing.T) {
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config := cfg.ResetTestRoot("blockchain_reactor_test")
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defer os.RemoveAll(config.RootDir)
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state, err := sm.LoadStateFromDBOrGenesisFile(dbm.NewMemDB(), config.GenesisFile())
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require.NoError(t, err)
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db := dbm.NewMemDB()
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bs := NewBlockStore(db)
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assert.EqualValues(t, 0, bs.Base())
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assert.EqualValues(t, 0, bs.Height())
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assert.EqualValues(t, 0, bs.Size())
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// pruning an empty store should error, even when pruning to 0
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_, err = bs.PruneBlocks(1)
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require.Error(t, err)
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_, err = bs.PruneBlocks(0)
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require.Error(t, err)
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// make more than 1000 blocks, to test batch deletions
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for h := int64(1); h <= 1500; h++ {
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block := makeBlock(h, state, new(types.Commit))
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partSet := block.MakePartSet(2)
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seenCommit := makeTestCommit(h, tmtime.Now())
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bs.SaveBlock(block, partSet, seenCommit)
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}
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assert.EqualValues(t, 1, bs.Base())
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assert.EqualValues(t, 1500, bs.Height())
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assert.EqualValues(t, 1500, bs.Size())
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prunedBlock := bs.LoadBlock(1199)
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// Check that basic pruning works
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pruned, err := bs.PruneBlocks(1200)
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require.NoError(t, err)
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assert.EqualValues(t, 1199, pruned)
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assert.EqualValues(t, 1200, bs.Base())
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assert.EqualValues(t, 1500, bs.Height())
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assert.EqualValues(t, 301, bs.Size())
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assert.EqualValues(t, BlockStoreStateJSON{
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Base: 1200,
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Height: 1500,
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}, LoadBlockStoreStateJSON(db))
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require.NotNil(t, bs.LoadBlock(1200))
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require.Nil(t, bs.LoadBlock(1199))
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require.Nil(t, bs.LoadBlockByHash(prunedBlock.Hash()))
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require.Nil(t, bs.LoadBlockCommit(1199))
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require.Nil(t, bs.LoadBlockMeta(1199))
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require.Nil(t, bs.LoadBlockPart(1199, 1))
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for i := int64(1); i < 1200; i++ {
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require.Nil(t, bs.LoadBlock(i))
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}
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for i := int64(1200); i <= 1500; i++ {
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require.NotNil(t, bs.LoadBlock(i))
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}
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// Pruning below the current base should error
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_, err = bs.PruneBlocks(1199)
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require.Error(t, err)
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// Pruning to the current base should work
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pruned, err = bs.PruneBlocks(1200)
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require.NoError(t, err)
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assert.EqualValues(t, 0, pruned)
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// Pruning again should work
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pruned, err = bs.PruneBlocks(1300)
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require.NoError(t, err)
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assert.EqualValues(t, 100, pruned)
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assert.EqualValues(t, 1300, bs.Base())
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// Pruning beyond the current height should error
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_, err = bs.PruneBlocks(1501)
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require.Error(t, err)
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// Pruning to the current height should work
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pruned, err = bs.PruneBlocks(1500)
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require.NoError(t, err)
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assert.EqualValues(t, 200, pruned)
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assert.Nil(t, bs.LoadBlock(1499))
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assert.NotNil(t, bs.LoadBlock(1500))
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assert.Nil(t, bs.LoadBlock(1501))
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}
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func TestLoadBlockMeta(t *testing.T) {
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bs, db := freshBlockStore()
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height := int64(10)
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loadMeta := func() (interface{}, error) {
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meta := bs.LoadBlockMeta(height)
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return meta, nil
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}
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// Initially no contents.
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// 1. Requesting for a non-existent blockMeta shouldn't fail
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res, _, panicErr := doFn(loadMeta)
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require.Nil(t, panicErr, "a non-existent blockMeta shouldn't cause a panic")
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require.Nil(t, res, "a non-existent blockMeta should return nil")
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// 2. Next save a corrupted blockMeta then try to load it
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err := db.Set(calcBlockMetaKey(height), []byte("Tendermint-Meta"))
|
|
require.NoError(t, err)
|
|
res, _, panicErr = doFn(loadMeta)
|
|
require.NotNil(t, panicErr, "expecting a non-nil panic")
|
|
require.Contains(t, panicErr.Error(), "unmarshal to types.BlockMeta")
|
|
|
|
// 3. A good blockMeta serialized and saved to the DB should be retrievable
|
|
meta := &types.BlockMeta{}
|
|
err = db.Set(calcBlockMetaKey(height), cdc.MustMarshalBinaryBare(meta))
|
|
require.NoError(t, err)
|
|
gotMeta, _, panicErr := doFn(loadMeta)
|
|
require.Nil(t, panicErr, "an existent and proper block should not panic")
|
|
require.Nil(t, res, "a properly saved blockMeta should return a proper blocMeta ")
|
|
require.Equal(t, cdc.MustMarshalBinaryBare(meta), cdc.MustMarshalBinaryBare(gotMeta),
|
|
"expecting successful retrieval of previously saved blockMeta")
|
|
}
|
|
|
|
func TestBlockFetchAtHeight(t *testing.T) {
|
|
state, bs, cleanup := makeStateAndBlockStore(log.NewTMLogger(new(bytes.Buffer)))
|
|
defer cleanup()
|
|
require.Equal(t, bs.Height(), int64(0), "initially the height should be zero")
|
|
block := makeBlock(bs.Height()+1, state, new(types.Commit))
|
|
|
|
partSet := block.MakePartSet(2)
|
|
seenCommit := makeTestCommit(10, tmtime.Now())
|
|
bs.SaveBlock(block, partSet, seenCommit)
|
|
require.Equal(t, bs.Height(), block.Header.Height, "expecting the new height to be changed")
|
|
|
|
blockAtHeight := bs.LoadBlock(bs.Height())
|
|
bz1 := cdc.MustMarshalBinaryBare(block)
|
|
bz2 := cdc.MustMarshalBinaryBare(blockAtHeight)
|
|
require.Equal(t, bz1, bz2)
|
|
require.Equal(t, block.Hash(), blockAtHeight.Hash(),
|
|
"expecting a successful load of the last saved block")
|
|
|
|
blockAtHeightPlus1 := bs.LoadBlock(bs.Height() + 1)
|
|
require.Nil(t, blockAtHeightPlus1, "expecting an unsuccessful load of Height()+1")
|
|
blockAtHeightPlus2 := bs.LoadBlock(bs.Height() + 2)
|
|
require.Nil(t, blockAtHeightPlus2, "expecting an unsuccessful load of Height()+2")
|
|
}
|
|
|
|
func doFn(fn func() (interface{}, error)) (res interface{}, err error, panicErr error) {
|
|
defer func() {
|
|
if r := recover(); r != nil {
|
|
switch e := r.(type) {
|
|
case error:
|
|
panicErr = e
|
|
case string:
|
|
panicErr = fmt.Errorf("%s", e)
|
|
default:
|
|
if st, ok := r.(fmt.Stringer); ok {
|
|
panicErr = fmt.Errorf("%s", st)
|
|
} else {
|
|
panicErr = fmt.Errorf("%s", debug.Stack())
|
|
}
|
|
}
|
|
}
|
|
}()
|
|
|
|
res, err = fn()
|
|
return res, err, panicErr
|
|
}
|
|
|
|
func newBlock(hdr types.Header, lastCommit *types.Commit) *types.Block {
|
|
return &types.Block{
|
|
Header: hdr,
|
|
LastCommit: lastCommit,
|
|
}
|
|
}
|