erigon-pulse/turbo/snapshotsync/block_snapshots_test.go
Alex Sharov 809cfdcf19
snapshots: indexing of recently merged range (#3606)
* snapshots: fix indexing of recently merged range

* snapshots: fix indexing of recently merged range

* snapshots: fix indexing of recently merged range

* snapshots: fix indexing of recently merged range

* snapshots: fix indexing of recently merged range
2022-02-24 14:15:03 +07:00

220 lines
6.4 KiB
Go

package snapshotsync
import (
"context"
"os"
"path/filepath"
"testing"
"testing/fstest"
dir2 "github.com/ledgerwatch/erigon-lib/common/dir"
"github.com/ledgerwatch/erigon-lib/compress"
"github.com/ledgerwatch/erigon-lib/recsplit"
"github.com/ledgerwatch/erigon/common/math"
"github.com/ledgerwatch/erigon/eth/ethconfig"
"github.com/ledgerwatch/erigon/params/networkname"
"github.com/ledgerwatch/erigon/turbo/snapshotsync/snapshothashes"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func createTestSegmentFile(t *testing.T, from, to uint64, name Type, dir string) {
c, err := compress.NewCompressor(context.Background(), "test", filepath.Join(dir, SegmentFileName(from, to, name)), dir, 100, 1)
require.NoError(t, err)
defer c.Close()
err = c.AddWord([]byte{1})
require.NoError(t, err)
err = c.Compress()
require.NoError(t, err)
idx, err := recsplit.NewRecSplit(recsplit.RecSplitArgs{
KeyCount: 1,
BucketSize: 10,
TmpDir: dir,
IndexFile: filepath.Join(dir, IdxFileName(from, to, name)),
LeafSize: 8,
})
require.NoError(t, err)
defer idx.Close()
err = idx.AddKey([]byte{1}, 0)
require.NoError(t, err)
err = idx.Build()
require.NoError(t, err)
if name == Transactions {
idx, err := recsplit.NewRecSplit(recsplit.RecSplitArgs{
KeyCount: 1,
BucketSize: 10,
TmpDir: dir,
IndexFile: filepath.Join(dir, IdxFileName(from, to, Transactions2Block)),
LeafSize: 8,
})
require.NoError(t, err)
err = idx.AddKey([]byte{1}, 0)
require.NoError(t, err)
err = idx.Build()
require.NoError(t, err)
defer idx.Close()
}
}
func TestMerge(t *testing.T) {
dir, require := t.TempDir(), require.New(t)
createFile := func(from, to uint64) {
for _, snT := range AllSnapshotTypes {
createTestSegmentFile(t, from, to, snT, dir)
}
}
N := uint64(15)
createFile(0, 500_000)
for i := uint64(500_000); i < 500_000+N*50_000; i += 50_000 {
createFile(i, i+50_000)
}
cfg := ethconfig.Snapshot{Enabled: true}
s := NewRoSnapshots(cfg, dir)
defer s.Close()
require.NoError(s.ReopenSegments())
_, err := findAndMergeBlockSegments(context.Background(), s, dir, 1)
require.NoError(err)
require.NoError(s.ReopenSegments())
expectedFileName := SegmentFileName(500_000, 1_000_000, Transactions)
d, err := compress.NewDecompressor(filepath.Join(dir, expectedFileName))
require.NoError(err)
defer d.Close()
a := d.Count()
require.Equal(10, a)
_, err = findAndMergeBlockSegments(context.Background(), s, dir, 1)
require.NoError(err)
require.NoError(s.ReopenSegments())
expectedFileName = SegmentFileName(1_000_000, 1_250_000, Transactions)
d, err = compress.NewDecompressor(filepath.Join(dir, expectedFileName))
require.NoError(err)
defer d.Close()
a = d.Count()
require.Equal(5, a)
}
func TestRecompress(t *testing.T) {
dir, require := t.TempDir(), require.New(t)
createFile := func(from, to uint64) { createTestSegmentFile(t, from, to, Headers, dir) }
createFile(0, 1_000)
err := RecompressSegments(context.Background(), &dir2.Rw{Path: dir}, dir)
require.NoError(err)
d, err := compress.NewDecompressor(filepath.Join(dir, SegmentFileName(0, 1_000, Headers)))
require.NoError(err)
defer d.Close()
assert.Equal(t, 1, d.Count())
}
func TestOpenAllSnapshot(t *testing.T) {
dir, require := t.TempDir(), require.New(t)
chainSnapshotCfg := snapshothashes.KnownConfig(networkname.MainnetChainName)
chainSnapshotCfg.ExpectBlocks = math.MaxUint64
cfg := ethconfig.Snapshot{Enabled: true}
createFile := func(from, to uint64, name Type) { createTestSegmentFile(t, from, to, name, dir) }
s := NewRoSnapshots(cfg, dir)
defer s.Close()
err := s.ReopenSegments()
require.NoError(err)
require.Equal(0, len(s.blocks))
s.Close()
createFile(500_000, 1_000_000, Bodies)
s = NewRoSnapshots(cfg, dir)
defer s.Close()
require.Equal(0, len(s.blocks)) //because, no headers and transactions snapshot files are created
s.Close()
createFile(500_000, 1_000_000, Headers)
createFile(500_000, 1_000_000, Transactions)
s = NewRoSnapshots(cfg, dir)
err = s.ReopenSegments()
require.Error(err)
require.Equal(0, len(s.blocks)) //because, no gaps are allowed (expect snapshots from block 0)
s.Close()
createFile(0, 500_000, Bodies)
createFile(0, 500_000, Headers)
createFile(0, 500_000, Transactions)
s = NewRoSnapshots(cfg, dir)
defer s.Close()
err = s.ReopenSegments()
require.NoError(err)
s.indicesReady.Store(true)
require.Equal(2, len(s.blocks))
sn, ok := s.Blocks(10)
require.True(ok)
require.Equal(int(sn.To), 500_000)
sn, ok = s.Blocks(500_000)
require.True(ok)
require.Equal(int(sn.To), 1_000_000) // [from:to)
_, ok = s.Blocks(1_000_000)
require.False(ok)
// Erigon may create new snapshots by itself - with high bigger than hardcoded ExpectedBlocks
// ExpectedBlocks - says only how much block must come from Torrent
chainSnapshotCfg.ExpectBlocks = 500_000 - 1
s = NewRoSnapshots(cfg, dir)
err = s.ReopenSegments()
require.NoError(err)
defer s.Close()
require.Equal(2, len(s.blocks))
createFile(500_000, 900_000, Headers)
createFile(500_000, 900_000, Bodies)
createFile(500_000, 900_000, Transactions)
chainSnapshotCfg.ExpectBlocks = math.MaxUint64
s = NewRoSnapshots(cfg, dir)
defer s.Close()
err = s.ReopenSegments()
require.NoError(err)
}
func TestParseCompressedFileName(t *testing.T) {
require := require.New(t)
fs := fstest.MapFS{
"a": &fstest.MapFile{},
"1-a": &fstest.MapFile{},
"1-2-a": &fstest.MapFile{},
"1-2-bodies.info": &fstest.MapFile{},
"1-2-bodies.seg": &fstest.MapFile{},
"v2-1-2-bodies.seg": &fstest.MapFile{},
"v0-1-2-bodies.seg": &fstest.MapFile{},
"v1-1-2-bodies.seg": &fstest.MapFile{},
}
stat := func(name string) os.FileInfo {
s, err := fs.Stat(name)
require.NoError(err)
return s
}
_, err := ParseFileName("", stat("a"))
require.Error(err)
_, err = ParseFileName("", stat("1-a"))
require.Error(err)
_, err = ParseFileName("", stat("1-2-a"))
require.Error(err)
_, err = ParseFileName("", stat("1-2-bodies.info"))
require.Error(err)
_, err = ParseFileName("", stat("1-2-bodies.seg"))
require.Error(err)
_, err = ParseFileName("", stat("v2-1-2-bodies.seg"))
require.Error(err)
_, err = ParseFileName("", stat("v0-1-2-bodies.seg"))
require.Error(err)
f, err := ParseFileName("", stat("v1-1-2-bodies.seg"))
require.NoError(err)
require.Equal(f.T, Bodies)
require.Equal(1_000, int(f.From))
require.Equal(2_000, int(f.To))
}