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585 lines
17 KiB
585 lines
17 KiB
package store
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import (
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"fmt"
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stdlog "log"
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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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dbm "github.com/tendermint/tm-db"
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"github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/crypto"
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sm "github.com/tendermint/tendermint/internal/state"
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"github.com/tendermint/tendermint/internal/state/test/factory"
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"github.com/tendermint/tendermint/libs/log"
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tmrand "github.com/tendermint/tendermint/libs/rand"
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tmtime "github.com/tendermint/tendermint/libs/time"
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"github.com/tendermint/tendermint/types"
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"github.com/tendermint/tendermint/version"
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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: tmrand.Bytes(crypto.AddressSize),
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Timestamp: timestamp,
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Signature: []byte("Signature"),
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}}
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return types.NewCommit(
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height,
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0,
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types.BlockID{
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Hash: crypto.CRandBytes(32),
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PartSetHeader: types.PartSetHeader{Hash: crypto.CRandBytes(32), Total: 2},
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},
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commitSigs)
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}
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func makeStateAndBlockStore(dir string, logger log.Logger) (sm.State, *BlockStore, cleanupFunc, error) {
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cfg, err := config.ResetTestRoot(dir, "blockchain_reactor_test")
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if err != nil {
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return sm.State{}, nil, nil, err
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}
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blockDB := dbm.NewMemDB()
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state, err := sm.MakeGenesisStateFromFile(cfg.GenesisFile())
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if err != nil {
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return sm.State{}, nil, nil, 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(cfg.RootDir) }, nil
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}
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func freshBlockStore() (*BlockStore, dbm.DB) {
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db := dbm.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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dir, err := os.MkdirTemp("", "store_test")
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if err != nil {
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stdlog.Fatal(err)
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}
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var cleanup cleanupFunc
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state, _, cleanup, err = makeStateAndBlockStore(dir, log.NewNopLogger())
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if err != nil {
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stdlog.Fatal(err)
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}
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block = factory.MakeBlock(state, 1, new(types.Commit))
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partSet, err = block.MakePartSet(2)
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if err != nil {
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stdlog.Fatal(err)
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}
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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.RemoveAll(dir) // best-effort
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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, err := makeStateAndBlockStore(t.TempDir(), log.NewNopLogger())
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defer cleanup()
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require.NoError(t, err)
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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 := factory.MakeBlock(state, bs.Height()+1, new(types.Commit))
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validPartSet, err := block.MakePartSet(2)
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require.NoError(t, err)
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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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_, err = uncontiguousPartSet.AddPart(part2)
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require.Error(t, err)
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header1 := types.Header{
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Version: version.Consensus{Block: version.BlockProtocol},
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Height: 1,
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ChainID: "block_test",
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Time: tmtime.Now(),
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ProposerAddress: tmrand.Bytes(crypto.AddressSize),
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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{
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Version: version.Consensus{Block: version.BlockProtocol},
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Height: 5,
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ChainID: "block_test",
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Time: tmtime.Now(),
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ProposerAddress: tmrand.Bytes(crypto.AddressSize)},
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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: "error reading block commit",
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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 tmproto.BlockMeta",
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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: "error reading block seen commit",
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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(blockMetaKey(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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err := db.Delete(seenCommitKey())
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require.NoError(t, err)
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}
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if tuple.corruptSeenCommitInDB {
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err := db.Set(seenCommitKey(), []byte("bogus-seen-commit"))
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require.NoError(t, err)
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}
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bSeenCommit := bs.LoadSeenCommit()
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commitHeight := tuple.block.Height - 1
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if tuple.eraseCommitInDB {
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err := db.Delete(blockCommitKey(commitHeight))
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require.NoError(t, err)
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}
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if tuple.corruptCommitInDB {
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err := db.Set(blockCommitKey(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.NoError(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 TestLoadBaseMeta(t *testing.T) {
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cfg, err := config.ResetTestRoot(t.TempDir(), "blockchain_reactor_test")
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require.NoError(t, err)
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defer os.RemoveAll(cfg.RootDir)
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state, err := sm.MakeGenesisStateFromFile(cfg.GenesisFile())
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require.NoError(t, err)
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bs := NewBlockStore(dbm.NewMemDB())
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for h := int64(1); h <= 10; h++ {
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block := factory.MakeBlock(state, h, new(types.Commit))
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partSet, err := block.MakePartSet(2)
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require.NoError(t, err)
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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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pruned, err := bs.PruneBlocks(4)
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require.NoError(t, err)
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assert.EqualValues(t, 3, pruned)
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baseBlock := bs.LoadBaseMeta()
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assert.EqualValues(t, 4, baseBlock.Header.Height)
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assert.EqualValues(t, 4, bs.Base())
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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(blockPartKey(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 tmproto.Part failed")
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// 3. A good block serialized and saved to the DB should be retrievable
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pb1, err := part1.ToProto()
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require.NoError(t, err)
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err = db.Set(blockPartKey(height, index), mustEncode(pb1))
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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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cfg, err := config.ResetTestRoot(t.TempDir(), "blockchain_reactor_test")
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require.NoError(t, err)
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defer os.RemoveAll(cfg.RootDir)
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state, err := sm.MakeGenesisStateFromFile(cfg.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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_, 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 := factory.MakeBlock(state, h, new(types.Commit))
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partSet, err := block.MakePartSet(2)
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require.NoError(t, err)
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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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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 not error
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_, err = bs.PruneBlocks(1199)
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require.NoError(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(blockMetaKey(height), []byte("Tendermint-Meta"))
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require.NoError(t, err)
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res, _, panicErr = doFn(loadMeta)
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require.NotNil(t, panicErr, "expecting a non-nil panic")
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require.Contains(t, panicErr.Error(), "unmarshal to tmproto.BlockMeta")
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// 3. A good blockMeta serialized and saved to the DB should be retrievable
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meta := &types.BlockMeta{Header: types.Header{
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Version: version.Consensus{
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Block: version.BlockProtocol, App: 0}, Height: 1, ProposerAddress: tmrand.Bytes(crypto.AddressSize)}}
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pbm := meta.ToProto()
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err = db.Set(blockMetaKey(height), mustEncode(pbm))
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require.NoError(t, err)
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gotMeta, _, panicErr := doFn(loadMeta)
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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 blockMeta should return a proper blocMeta ")
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pbmeta := meta.ToProto()
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if gmeta, ok := gotMeta.(*types.BlockMeta); ok {
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pbgotMeta := gmeta.ToProto()
|
|
require.Equal(t, mustEncode(pbmeta), mustEncode(pbgotMeta),
|
|
"expecting successful retrieval of previously saved blockMeta")
|
|
}
|
|
}
|
|
|
|
func TestBlockFetchAtHeight(t *testing.T) {
|
|
state, bs, cleanup, err := makeStateAndBlockStore(t.TempDir(), log.NewNopLogger())
|
|
defer cleanup()
|
|
require.NoError(t, err)
|
|
require.Equal(t, bs.Height(), int64(0), "initially the height should be zero")
|
|
block := factory.MakeBlock(state, bs.Height()+1, new(types.Commit))
|
|
|
|
partSet, err := block.MakePartSet(2)
|
|
require.NoError(t, err)
|
|
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())
|
|
b1, err := block.ToProto()
|
|
require.NoError(t, err)
|
|
b2, err := blockAtHeight.ToProto()
|
|
require.NoError(t, err)
|
|
bz1 := mustEncode(b1)
|
|
bz2 := mustEncode(b2)
|
|
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 TestSeenAndCanonicalCommit(t *testing.T) {
|
|
bs, _ := freshBlockStore()
|
|
loadCommit := func() (interface{}, error) {
|
|
meta := bs.LoadSeenCommit()
|
|
return meta, nil
|
|
}
|
|
|
|
// Initially no contents.
|
|
// 1. Requesting for a non-existent blockMeta shouldn't fail
|
|
res, _, panicErr := doFn(loadCommit)
|
|
require.Nil(t, panicErr, "a non-existent blockMeta shouldn't cause a panic")
|
|
require.Nil(t, res, "a non-existent blockMeta should return nil")
|
|
|
|
// produce a few blocks and check that the correct seen and cannoncial commits
|
|
// are persisted.
|
|
for h := int64(3); h <= 5; h++ {
|
|
blockCommit := makeTestCommit(h-1, tmtime.Now())
|
|
block := factory.MakeBlock(state, h, blockCommit)
|
|
partSet, err := block.MakePartSet(2)
|
|
require.NoError(t, err)
|
|
seenCommit := makeTestCommit(h, tmtime.Now())
|
|
bs.SaveBlock(block, partSet, seenCommit)
|
|
c3 := bs.LoadSeenCommit()
|
|
require.NotNil(t, c3)
|
|
require.Equal(t, h, c3.Height)
|
|
require.Equal(t, seenCommit.Hash(), c3.Hash())
|
|
c5 := bs.LoadBlockCommit(h)
|
|
require.Nil(t, c5)
|
|
c6 := bs.LoadBlockCommit(h - 1)
|
|
require.Equal(t, blockCommit.Hash(), c6.Hash())
|
|
}
|
|
|
|
}
|
|
|
|
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,
|
|
}
|
|
}
|