erigon-pulse/state/domain_test.go
ledgerwatch fadc9b21d1
[erigon2.2] Split 2.2 and 2.3 prototype (#548)
* Introduce access functions to history

* Add missing functions

* Add missing functions

* Add missing functions

* Changeover in the aggregator

* Intermediate

* Fix domain tests

* Fix lint

* Fix lint

* Fix lint

* Close files

Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>
2022-07-28 08:47:13 +01:00

549 lines
15 KiB
Go

/*
Copyright 2022 Erigon contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package state
import (
"context"
"encoding/binary"
"fmt"
"strings"
"testing"
"github.com/ledgerwatch/erigon-lib/kv"
"github.com/ledgerwatch/erigon-lib/kv/mdbx"
"github.com/ledgerwatch/erigon-lib/recsplit"
"github.com/ledgerwatch/log/v3"
"github.com/stretchr/testify/require"
)
func testDbAndDomain(t *testing.T, prefixLen int) (string, kv.RwDB, *Domain) {
t.Helper()
path := t.TempDir()
logger := log.New()
keysTable := "Keys"
valsTable := "Vals"
historyKeysTable := "HistoryKeys"
historyValsTable := "HistoryVals"
settingsTable := "Settings"
indexTable := "Index"
db := mdbx.NewMDBX(logger).Path(path).WithTablessCfg(func(defaultBuckets kv.TableCfg) kv.TableCfg {
return kv.TableCfg{
keysTable: kv.TableCfgItem{Flags: kv.DupSort},
valsTable: kv.TableCfgItem{},
historyKeysTable: kv.TableCfgItem{Flags: kv.DupSort},
historyValsTable: kv.TableCfgItem{},
settingsTable: kv.TableCfgItem{},
indexTable: kv.TableCfgItem{Flags: kv.DupSort},
}
}).MustOpen()
d, err := NewDomain(path, 16 /* aggregationStep */, "base" /* filenameBase */, keysTable, valsTable, historyKeysTable, historyValsTable, settingsTable, indexTable, prefixLen, true /* compressVals */)
require.NoError(t, err)
return path, db, d
}
func TestCollationBuild(t *testing.T) {
_, db, d := testDbAndDomain(t, 0 /* prefixLen */)
defer db.Close()
defer d.Close()
tx, err := db.BeginRw(context.Background())
require.NoError(t, err)
defer tx.Rollback()
d.SetTx(tx)
d.SetTxNum(2)
err = d.Put([]byte("key1"), nil, []byte("value1.1"))
require.NoError(t, err)
d.SetTxNum(3)
err = d.Put([]byte("key2"), nil, []byte("value2.1"))
require.NoError(t, err)
d.SetTxNum(6)
err = d.Put([]byte("key1"), nil, []byte("value1.2"))
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
roTx, err := db.BeginRo(context.Background())
require.NoError(t, err)
defer roTx.Rollback()
c, err := d.collate(0, 0, 7, roTx)
require.NoError(t, err)
require.True(t, strings.HasSuffix(c.valuesPath, "base.0-1.kv"))
require.Equal(t, 2, c.valuesCount)
require.True(t, strings.HasSuffix(c.historyPath, "base.0-1.v"))
require.Equal(t, 3, c.historyCount)
require.Equal(t, 2, len(c.indexBitmaps))
require.Equal(t, []uint64{3}, c.indexBitmaps["key2"].ToArray())
require.Equal(t, []uint64{2, 6}, c.indexBitmaps["key1"].ToArray())
sf, err := d.buildFiles(0, c)
require.NoError(t, err)
defer sf.Close()
g := sf.valuesDecomp.MakeGetter()
g.Reset(0)
var words []string
for g.HasNext() {
w, _ := g.Next(nil)
words = append(words, string(w))
}
require.Equal(t, []string{"key1", "value1.2", "key2", "value2.1"}, words)
// Check index
require.Equal(t, 2, int(sf.valuesIdx.KeyCount()))
r := recsplit.NewIndexReader(sf.valuesIdx)
for i := 0; i < len(words); i += 2 {
offset := r.Lookup([]byte(words[i]))
g.Reset(offset)
w, _ := g.Next(nil)
require.Equal(t, words[i], string(w))
w, _ = g.Next(nil)
require.Equal(t, words[i+1], string(w))
}
}
func TestIterationBasic(t *testing.T) {
_, db, d := testDbAndDomain(t, 5 /* prefixLen */)
defer db.Close()
defer d.Close()
tx, err := db.BeginRw(context.Background())
require.NoError(t, err)
defer tx.Rollback()
d.SetTx(tx)
d.SetTxNum(2)
err = d.Put([]byte("addr1"), []byte("loc1"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr1"), []byte("loc2"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr1"), []byte("loc3"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr2"), []byte("loc1"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr2"), []byte("loc2"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr3"), []byte("loc1"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr3"), []byte("loc2"), []byte("value1"))
require.NoError(t, err)
var keys, vals []string
err = d.MakeContext().IteratePrefix([]byte("addr2"), func(k, v []byte) {
keys = append(keys, string(k))
vals = append(vals, string(v))
})
require.NoError(t, err)
require.Equal(t, []string{"addr2loc1", "addr2loc2"}, keys)
require.Equal(t, []string{"value1", "value1"}, vals)
}
func TestAfterPrune(t *testing.T) {
_, db, d := testDbAndDomain(t, 0 /* prefixLen */)
defer db.Close()
defer d.Close()
tx, err := db.BeginRw(context.Background())
require.NoError(t, err)
defer func() {
if tx != nil {
tx.Rollback()
}
}()
d.SetTx(tx)
d.SetTxNum(2)
err = d.Put([]byte("key1"), nil, []byte("value1.1"))
require.NoError(t, err)
d.SetTxNum(3)
err = d.Put([]byte("key2"), nil, []byte("value2.1"))
require.NoError(t, err)
d.SetTxNum(6)
err = d.Put([]byte("key1"), nil, []byte("value1.2"))
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
roTx, err := db.BeginRo(context.Background())
require.NoError(t, err)
defer roTx.Rollback()
c, err := d.collate(0, 0, 16, roTx)
require.NoError(t, err)
sf, err := d.buildFiles(0, c)
require.NoError(t, err)
defer sf.Close()
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
d.SetTx(tx)
d.integrateFiles(sf, 0, 16)
var v []byte
dc := d.MakeContext()
v, err = dc.Get([]byte("key1"), nil, tx)
require.NoError(t, err)
require.Equal(t, []byte("value1.2"), v)
v, err = dc.Get([]byte("key2"), nil, tx)
require.NoError(t, err)
require.Equal(t, []byte("value2.1"), v)
err = d.prune(0, 0, 16)
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
d.SetTx(tx)
for _, table := range []string{d.keysTable, d.valsTable, d.indexKeysTable, d.historyValsTable, d.indexTable} {
var cur kv.Cursor
cur, err = tx.Cursor(table)
require.NoError(t, err)
defer cur.Close()
var k []byte
k, _, err = cur.First()
require.NoError(t, err)
require.Nil(t, k, table)
}
v, err = dc.Get([]byte("key1"), nil, tx)
require.NoError(t, err)
require.Equal(t, []byte("value1.2"), v)
v, err = dc.Get([]byte("key2"), nil, tx)
require.NoError(t, err)
require.Equal(t, []byte("value2.1"), v)
}
func filledDomain(t *testing.T) (string, kv.RwDB, *Domain, uint64) {
t.Helper()
path, db, d := testDbAndDomain(t, 0 /* prefixLen */)
tx, err := db.BeginRw(context.Background())
require.NoError(t, err)
defer func() {
if tx != nil {
tx.Rollback()
}
}()
d.SetTx(tx)
txs := uint64(1000)
// keys are encodings of numbers 1..31
// each key changes value on every txNum which is multiple of the key
for txNum := uint64(1); txNum <= txs; txNum++ {
d.SetTxNum(txNum)
for keyNum := uint64(1); keyNum <= uint64(31); keyNum++ {
if txNum%keyNum == 0 {
valNum := txNum / keyNum
var k [8]byte
var v [8]byte
binary.BigEndian.PutUint64(k[:], keyNum)
binary.BigEndian.PutUint64(v[:], valNum)
err = d.Put(k[:], nil, v[:])
require.NoError(t, err)
}
}
if txNum%10 == 0 {
err = tx.Commit()
require.NoError(t, err)
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
d.SetTx(tx)
}
}
err = tx.Commit()
require.NoError(t, err)
tx = nil
return path, db, d, txs
}
func checkHistory(t *testing.T, db kv.RwDB, d *Domain, txs uint64) {
t.Helper()
var err error
// Check the history
var roTx kv.Tx
dc := d.MakeContext()
for txNum := uint64(0); txNum <= txs; txNum++ {
if txNum == 976 {
// Create roTx obnly for the last several txNum, because all history before that
// we should be able to read without any DB access
roTx, err = db.BeginRo(context.Background())
require.NoError(t, err)
defer roTx.Rollback()
}
for keyNum := uint64(1); keyNum <= uint64(31); keyNum++ {
valNum := txNum / keyNum
var k [8]byte
var v [8]byte
label := fmt.Sprintf("txNum=%d, keyNum=%d", txNum, keyNum)
binary.BigEndian.PutUint64(k[:], keyNum)
binary.BigEndian.PutUint64(v[:], valNum)
val, err := dc.GetBeforeTxNum(k[:], txNum+1, roTx)
require.NoError(t, err, label)
if txNum >= keyNum {
require.Equal(t, v[:], val, label)
} else {
require.Nil(t, val, label)
}
}
}
}
func TestHistory(t *testing.T) {
_, db, d, txs := filledDomain(t)
defer db.Close()
defer d.Close()
var tx kv.RwTx
defer func() {
if tx != nil {
tx.Rollback()
}
}()
// Leave the last 2 aggregation steps un-collated
for step := uint64(0); step < txs/d.aggregationStep-1; step++ {
func() {
roTx, err := db.BeginRo(context.Background())
require.NoError(t, err)
c, err := d.collate(step, step*d.aggregationStep, (step+1)*d.aggregationStep, roTx)
roTx.Rollback()
require.NoError(t, err)
sf, err := d.buildFiles(step, c)
require.NoError(t, err)
d.integrateFiles(sf, step*d.aggregationStep, (step+1)*d.aggregationStep)
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
d.SetTx(tx)
err = d.prune(step, step*d.aggregationStep, (step+1)*d.aggregationStep)
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
tx = nil
}()
}
checkHistory(t, db, d, txs)
}
func TestIterationMultistep(t *testing.T) {
_, db, d := testDbAndDomain(t, 5 /* prefixLen */)
defer db.Close()
defer d.Close()
tx, err := db.BeginRw(context.Background())
require.NoError(t, err)
defer func() {
if tx != nil {
tx.Rollback()
}
}()
d.SetTx(tx)
d.SetTxNum(2)
err = d.Put([]byte("addr1"), []byte("loc1"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr1"), []byte("loc2"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr1"), []byte("loc3"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr2"), []byte("loc1"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr2"), []byte("loc2"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr3"), []byte("loc1"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr3"), []byte("loc2"), []byte("value1"))
require.NoError(t, err)
d.SetTxNum(2 + 16)
err = d.Put([]byte("addr2"), []byte("loc1"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr2"), []byte("loc2"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr2"), []byte("loc3"), []byte("value1"))
require.NoError(t, err)
err = d.Put([]byte("addr2"), []byte("loc4"), []byte("value1"))
require.NoError(t, err)
d.SetTxNum(2 + 16 + 16)
err = d.Delete([]byte("addr2"), []byte("loc1"))
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
tx = nil
for step := uint64(0); step <= 2; step++ {
func() {
roTx, err := db.BeginRo(context.Background())
require.NoError(t, err)
c, err := d.collate(step, step*d.aggregationStep, (step+1)*d.aggregationStep, roTx)
roTx.Rollback()
require.NoError(t, err)
sf, err := d.buildFiles(step, c)
require.NoError(t, err)
d.integrateFiles(sf, step*d.aggregationStep, (step+1)*d.aggregationStep)
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
d.SetTx(tx)
err = d.prune(step, step*d.aggregationStep, (step+1)*d.aggregationStep)
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
tx = nil
}()
}
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
d.SetTx(tx)
var keys []string
var vals []string
err = d.MakeContext().IteratePrefix([]byte("addr2"), func(k, v []byte) {
keys = append(keys, string(k))
vals = append(vals, string(v))
})
require.NoError(t, err)
require.Equal(t, []string{"addr2loc2", "addr2loc3", "addr2loc4"}, keys)
require.Equal(t, []string{"value1", "value1", "value1"}, vals)
}
func collateAndMerge(t *testing.T, db kv.RwDB, d *Domain, txs uint64) {
t.Helper()
var tx kv.RwTx
defer func() {
if tx != nil {
tx.Rollback()
}
}()
// Leave the last 2 aggregation steps un-collated
for step := uint64(0); step < txs/d.aggregationStep-1; step++ {
func() {
roTx, err := db.BeginRo(context.Background())
require.NoError(t, err)
defer roTx.Rollback()
c, err := d.collate(step, step*d.aggregationStep, (step+1)*d.aggregationStep, roTx)
require.NoError(t, err)
roTx.Rollback()
sf, err := d.buildFiles(step, c)
require.NoError(t, err)
d.integrateFiles(sf, step*d.aggregationStep, (step+1)*d.aggregationStep)
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
d.SetTx(tx)
err = d.prune(step, step*d.aggregationStep, (step+1)*d.aggregationStep)
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
tx = nil
var r DomainRanges
maxEndTxNum := d.endTxNumMinimax()
maxSpan := uint64(16 * 16)
for r = d.findMergeRange(maxEndTxNum, maxSpan); r.any(); r = d.findMergeRange(maxEndTxNum, maxSpan) {
valuesOuts, indexOuts, historyOuts, _ := d.staticFilesInRange(r)
valuesIn, indexIn, historyIn, err := d.mergeFiles(valuesOuts, indexOuts, historyOuts, r, maxSpan)
require.NoError(t, err)
d.integrateMergedFiles(valuesOuts, indexOuts, historyOuts, valuesIn, indexIn, historyIn)
err = d.deleteFiles(valuesOuts, indexOuts, historyOuts)
require.NoError(t, err)
}
}()
}
}
func TestMergeFiles(t *testing.T) {
_, db, d, txs := filledDomain(t)
defer db.Close()
defer d.Close()
collateAndMerge(t, db, d, txs)
checkHistory(t, db, d, txs)
}
func TestScanFiles(t *testing.T) {
path, db, d, txs := filledDomain(t)
defer db.Close()
defer func() {
d.Close()
}()
var err error
var tx kv.RwTx
defer func() {
if tx != nil {
tx.Rollback()
}
}()
collateAndMerge(t, db, d, txs)
// Recreate domain and re-scan the files
txNum := d.txNum
d.Close()
d, err = NewDomain(path, d.aggregationStep, d.filenameBase, d.keysTable, d.valsTable, d.indexKeysTable, d.historyValsTable, d.settingsTable, d.indexTable, d.prefixLen, d.compressVals)
require.NoError(t, err)
d.SetTxNum(txNum)
// Check the history
checkHistory(t, db, d, txs)
}
func TestDelete(t *testing.T) {
_, db, d := testDbAndDomain(t, 0 /* prefixLen */)
defer db.Close()
defer d.Close()
tx, err := db.BeginRw(context.Background())
require.NoError(t, err)
defer func() {
if tx != nil {
tx.Rollback()
}
}()
d.SetTx(tx)
// Put on even txNum, delete on odd txNum
for txNum := uint64(0); txNum < uint64(1000); txNum++ {
d.SetTxNum(txNum)
if txNum%2 == 0 {
err = d.Put([]byte("key1"), nil, []byte("value1"))
} else {
err = d.Delete([]byte("key1"), nil)
}
require.NoError(t, err)
}
err = tx.Commit()
require.NoError(t, err)
tx = nil
collateAndMerge(t, db, d, 1000)
// Check the history
roTx, err := db.BeginRo(context.Background())
require.NoError(t, err)
defer roTx.Rollback()
dc := d.MakeContext()
for txNum := uint64(0); txNum < 1000; txNum++ {
val, err := dc.GetBeforeTxNum([]byte("key1"), txNum+1, roTx)
require.NoError(t, err)
label := fmt.Sprintf("txNum=%d", txNum)
if txNum%2 == 0 {
require.Equal(t, []byte("value1"), val, label)
} else {
require.Nil(t, val, label)
}
val, err = dc.GetBeforeTxNum([]byte("key2"), txNum+1, roTx)
require.NoError(t, err)
require.Nil(t, val, label)
}
}