mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-26 05:27:19 +00:00
435 lines
10 KiB
Go
435 lines
10 KiB
Go
package ethdb_test
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"testing"
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"time"
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"github.com/ledgerwatch/turbo-geth/common"
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"github.com/ledgerwatch/turbo-geth/common/dbutils"
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"github.com/ledgerwatch/turbo-geth/ethdb"
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"github.com/ledgerwatch/turbo-geth/ethdb/remote/remotedbserver"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestManagedTx(t *testing.T) {
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writeDBs, readDBs, closeAll := setupDatabases()
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defer closeAll()
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ctx := context.Background()
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for _, db := range writeDBs {
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db := db
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if err := db.Update(ctx, func(tx ethdb.Tx) error {
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b := tx.Bucket(dbutils.Buckets[0])
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b1 := tx.Bucket(dbutils.Buckets[1])
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for i := uint8(0); i < 10; i++ {
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require.NoError(t, b.Put([]byte{i}, []byte{1}))
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require.NoError(t, b1.Put([]byte{i}, []byte{1}))
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}
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require.NoError(t, b.Put([]byte{0, 1}, []byte{1}))
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require.NoError(t, b1.Put([]byte{0, 1}, []byte{1}))
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require.NoError(t, b.Put([]byte{0, 0, 1}, []byte{1}))
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require.NoError(t, b1.Put([]byte{0, 0, 1}, []byte{1}))
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return nil
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}); err != nil {
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require.NoError(t, err)
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}
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}
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for _, db := range readDBs {
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db := db
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msg := fmt.Sprintf("%T", db)
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t.Run("NoValues iterator "+msg, func(t *testing.T) {
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testNoValuesIterator(t, db)
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})
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t.Run("ctx cancel "+msg, func(t *testing.T) {
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t.Skip("probably need enable after go 1.4")
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testCtxCancel(t, db)
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})
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t.Run("filter "+msg, func(t *testing.T) {
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testPrefixFilter(t, db)
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})
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t.Run("multiple cursors "+msg, func(t *testing.T) {
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testMultiCursor(t, db)
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})
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}
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}
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func setupDatabases() (writeDBs []ethdb.KV, readDBs []ethdb.KV, close func()) {
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writeDBs = []ethdb.KV{
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ethdb.NewBolt().InMem().MustOpen(),
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ethdb.NewBolt().InMem().MustOpen(), // for remote db
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ethdb.NewBadger().InMem().MustOpen(),
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ethdb.NewLMDB().InMem().MustOpen(),
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}
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serverIn, clientOut := io.Pipe()
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clientIn, serverOut := io.Pipe()
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readDBs = []ethdb.KV{
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writeDBs[0],
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ethdb.NewRemote().InMem(clientIn, clientOut).MustOpen(),
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writeDBs[2],
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writeDBs[3],
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}
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serverCtx, serverCancel := context.WithCancel(context.Background())
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go func() {
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_ = remotedbserver.Server(serverCtx, writeDBs[1], serverIn, serverOut, nil)
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}()
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return writeDBs, readDBs, func() {
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for _, db := range writeDBs {
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db.Close()
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}
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for _, db := range readDBs {
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db.Close()
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}
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serverIn.Close()
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serverOut.Close()
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clientIn.Close()
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clientOut.Close()
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serverCancel()
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}
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}
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func testPrefixFilter(t *testing.T, db ethdb.KV) {
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assert := assert.New(t)
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if err := db.View(context.Background(), func(tx ethdb.Tx) error {
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b := tx.Bucket(dbutils.Buckets[0])
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c := b.Cursor().Prefix([]byte{2})
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counter := 0
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for k, _, err := c.First(); k != nil; k, _, err = c.Next() {
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if err != nil {
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return err
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}
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counter++
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}
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assert.Equal(1, counter)
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counter = 0
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if err := c.Walk(func(_, _ []byte) (bool, error) {
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counter++
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return true, nil
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}); err != nil {
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return err
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}
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assert.Equal(1, counter)
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k2, _, err2 := c.Seek([]byte{2})
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assert.NoError(err2)
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assert.Equal([]byte{2}, k2)
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c = b.Cursor()
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counter = 0
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for k, _, err := c.First(); k != nil; k, _, err = c.Next() {
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if err != nil {
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return err
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}
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counter++
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}
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assert.Equal(12, counter)
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counter = 0
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if err := c.Walk(func(_, _ []byte) (bool, error) {
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counter++
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return true, nil
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}); err != nil {
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return err
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}
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assert.Equal(12, counter)
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k2, _, err2 = c.Seek([]byte{2})
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assert.NoError(err2)
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assert.Equal([]byte{2}, k2)
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return nil
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}); err != nil {
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assert.NoError(err)
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}
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}
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func testCtxCancel(t *testing.T, db ethdb.KV) {
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assert := assert.New(t)
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cancelableCtx, cancel := context.WithTimeout(context.Background(), time.Microsecond)
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defer cancel()
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if err := db.View(cancelableCtx, func(tx ethdb.Tx) error {
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c := tx.Bucket(dbutils.Buckets[0]).Cursor()
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for {
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for k, _, err := c.First(); k != nil; k, _, err = c.Next() {
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if err != nil {
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return err
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}
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}
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}
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}); err != nil {
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assert.True(errors.Is(context.DeadlineExceeded, err))
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}
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}
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func testNoValuesIterator(t *testing.T, db ethdb.KV) {
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assert, ctx := assert.New(t), context.Background()
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if err := db.View(ctx, func(tx ethdb.Tx) error {
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b := tx.Bucket(dbutils.Buckets[0])
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c := b.Cursor()
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k, _, err := c.First()
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assert.NoError(err)
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assert.Equal([]byte{0}, k)
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k, _, err = c.Next()
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assert.NoError(err)
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assert.Equal([]byte{0, 0, 1}, k)
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k, _, err = c.Next()
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assert.NoError(err)
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assert.Equal([]byte{0, 1}, k)
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k, _, err = c.Next()
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assert.NoError(err)
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assert.Equal([]byte{1}, k)
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k, _, err = c.Seek([]byte{0, 1})
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assert.NoError(err)
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assert.Equal([]byte{0, 1}, k)
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k, _, err = c.Seek([]byte{2})
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assert.NoError(err)
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assert.Equal([]byte{2}, k)
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k, _, err = c.Seek([]byte{99})
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assert.NoError(err)
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assert.Nil(k)
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k, _, err = c.First()
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assert.NoError(err)
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assert.Equal([]byte{0}, k)
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k, _, err = c.SeekTo([]byte{0, 1})
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assert.NoError(err)
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assert.Equal([]byte{0, 1}, k)
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k, _, err = c.SeekTo([]byte{2})
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assert.NoError(err)
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assert.Equal([]byte{2}, k)
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k, _, err = c.SeekTo([]byte{99})
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assert.NoError(err)
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assert.Nil(k)
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c2 := b.Cursor().NoValues()
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k, _, err = c2.First()
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assert.NoError(err)
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assert.Equal([]byte{0}, k)
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k, _, err = c2.Next()
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assert.NoError(err)
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assert.Equal([]byte{0, 0, 1}, k)
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k, _, err = c2.Next()
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assert.NoError(err)
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assert.Equal([]byte{0, 1}, k)
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k, _, err = c2.Next()
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assert.NoError(err)
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assert.Equal([]byte{1}, k)
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k, _, err = c2.Seek([]byte{0, 1})
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assert.NoError(err)
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assert.Equal([]byte{0, 1}, k)
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k, _, err = c2.Seek([]byte{0})
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assert.NoError(err)
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assert.Equal([]byte{0}, k)
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k, _, err = c.Seek([]byte{2})
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assert.NoError(err)
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assert.Equal([]byte{2}, k)
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k, _, err = c.Seek([]byte{99})
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assert.NoError(err)
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assert.Nil(k)
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return nil
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}); err != nil {
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assert.NoError(err)
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}
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}
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func testMultiCursor(t *testing.T, db ethdb.KV) {
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assert, ctx := assert.New(t), context.Background()
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if err := db.View(ctx, func(tx ethdb.Tx) error {
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c1 := tx.Bucket(dbutils.Buckets[0]).Cursor()
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c2 := tx.Bucket(dbutils.Buckets[1]).Cursor()
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k1, v1, err := c1.First()
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assert.NoError(err)
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k2, v2, err := c2.First()
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assert.NoError(err)
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assert.Equal(k1, k2)
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assert.Equal(v1, v2)
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k1, v1, err = c1.Next()
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assert.NoError(err)
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k2, v2, err = c2.Next()
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assert.NoError(err)
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assert.Equal(k1, k2)
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assert.Equal(v1, v2)
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k1, v1, err = c1.Seek([]byte{2})
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assert.NoError(err)
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k2, v2, err = c2.Seek([]byte{2})
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assert.NoError(err)
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assert.Equal(k1, k2)
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assert.Equal(v1, v2)
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return nil
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}); err != nil {
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assert.NoError(err)
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}
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}
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func TestMultipleBuckets(t *testing.T) {
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writeDBs, readDBs, closeAll := setupDatabases()
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defer closeAll()
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ctx := context.Background()
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for _, db := range writeDBs {
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db := db
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msg := fmt.Sprintf("%T", db)
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t.Run("FillBuckets "+msg, func(t *testing.T) {
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if err := db.Update(ctx, func(tx ethdb.Tx) error {
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b := tx.Bucket(dbutils.Buckets[0])
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for i := uint8(0); i < 10; i++ {
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require.NoError(t, b.Put([]byte{i}, []byte{i}))
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}
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b2 := tx.Bucket(dbutils.Buckets[1])
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for i := uint8(0); i < 12; i++ {
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require.NoError(t, b2.Put([]byte{i}, []byte{i}))
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}
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return b.Delete([]byte{5}) // delete from first bucket key 5, then will seek on it and expect to see key 6
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}); err != nil {
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require.NoError(t, err)
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}
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})
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}
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for _, db := range readDBs {
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db := db
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msg := fmt.Sprintf("%T", db)
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t.Run("MultipleBuckets "+msg, func(t *testing.T) {
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counter2, counter := 0, 0
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var key, value []byte
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err := db.View(ctx, func(tx ethdb.Tx) error {
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c := tx.Bucket(dbutils.Buckets[0]).Cursor()
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for k, _, err := c.First(); k != nil; k, _, err = c.Next() {
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if err != nil {
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return err
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}
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counter++
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}
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c2 := tx.Bucket(dbutils.Buckets[1]).Cursor()
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for k, _, err := c2.First(); k != nil; k, _, err = c2.Next() {
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if err != nil {
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return err
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}
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counter2++
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}
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c3 := tx.Bucket(dbutils.Buckets[0]).Cursor()
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k, v, err := c3.Seek([]byte{5})
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if err != nil {
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return err
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}
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key = common.CopyBytes(k)
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value = common.CopyBytes(v)
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return nil
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})
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require.NoError(t, err)
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assert.Equal(t, 9, counter)
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assert.Equal(t, 12, counter2)
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assert.Equal(t, []byte{6}, key)
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assert.Equal(t, []byte{6}, value)
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})
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}
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}
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func TestReadAfterPut(t *testing.T) {
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writeDBs, _, closeAll := setupDatabases()
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defer closeAll()
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ctx := context.Background()
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for _, db := range writeDBs {
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db := db
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msg := fmt.Sprintf("%T", db)
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t.Run("GetAfterPut "+msg, func(t *testing.T) {
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if err := db.Update(ctx, func(tx ethdb.Tx) error {
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b := tx.Bucket(dbutils.Buckets[0])
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for i := uint8(0); i < 10; i++ { // don't read in same loop to check that writes don't affect each other (for example by sharing bucket.prefix buffer)
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require.NoError(t, b.Put([]byte{i}, []byte{i}))
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}
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for i := uint8(0); i < 10; i++ {
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v, err := b.Get([]byte{i})
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require.NoError(t, err)
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require.Equal(t, []byte{i}, v)
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}
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b2 := tx.Bucket(dbutils.Buckets[1])
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for i := uint8(0); i < 12; i++ {
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require.NoError(t, b2.Put([]byte{i}, []byte{i}))
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}
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for i := uint8(0); i < 12; i++ {
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v, err := b2.Get([]byte{i})
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require.NoError(t, err)
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require.Equal(t, []byte{i}, v)
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}
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{
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require.NoError(t, b2.Delete([]byte{5}))
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v, err := b2.Get([]byte{5})
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require.NoError(t, err)
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require.Nil(t, v)
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require.NoError(t, b2.Delete([]byte{255})) // delete non-existing key
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}
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return nil
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}); err != nil {
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require.NoError(t, err)
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}
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})
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t.Run("cursor put and delete"+msg, func(t *testing.T) {
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if err := db.Update(ctx, func(tx ethdb.Tx) error {
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b3 := tx.Bucket(dbutils.Buckets[2])
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c3 := b3.Cursor()
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for i := uint8(0); i < 10; i++ { // don't read in same loop to check that writes don't affect each other (for example by sharing bucket.prefix buffer)
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require.NoError(t, c3.Put([]byte{i}, []byte{i}))
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}
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for i := uint8(0); i < 10; i++ {
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v, err := b3.Get([]byte{i})
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require.NoError(t, err)
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require.Equal(t, []byte{i}, v)
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}
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require.NoError(t, c3.Delete([]byte{255})) // delete non-existing key
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return nil
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}); err != nil {
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t.Error(err)
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}
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if err := db.Update(ctx, func(tx ethdb.Tx) error {
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b3 := tx.Bucket(dbutils.Buckets[2])
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require.NoError(t, b3.Cursor().Delete([]byte{5}))
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v, err := b3.Get([]byte{5})
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require.NoError(t, err)
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require.Nil(t, v)
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return nil
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}); err != nil {
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t.Error(err)
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}
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})
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}
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}
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