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565d51009d
* checkpoint * add test * Update beacon-chain/db/kv/backup_test.go Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
107 lines
3.4 KiB
Go
107 lines
3.4 KiB
Go
package kv
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import (
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"context"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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types "github.com/prysmaticlabs/eth2-types"
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"github.com/prysmaticlabs/prysm/shared/testutil"
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"github.com/prysmaticlabs/prysm/shared/testutil/require"
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)
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func TestStore_Backup(t *testing.T) {
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db, err := NewKVStore(context.Background(), t.TempDir(), &Config{})
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require.NoError(t, err, "Failed to instantiate DB")
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ctx := context.Background()
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head := testutil.NewBeaconBlock()
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head.Block.Slot = 5000
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require.NoError(t, db.SaveBlock(ctx, head))
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root, err := head.Block.HashTreeRoot()
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require.NoError(t, err)
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st, err := testutil.NewBeaconState()
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require.NoError(t, err)
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require.NoError(t, db.SaveState(ctx, st, root))
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require.NoError(t, db.SaveHeadBlockRoot(ctx, root))
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require.NoError(t, db.Backup(ctx, ""))
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backupsPath := filepath.Join(db.databasePath, backupsDirectoryName)
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files, err := ioutil.ReadDir(backupsPath)
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require.NoError(t, err)
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require.NotEqual(t, 0, len(files), "No backups created")
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require.NoError(t, db.Close(), "Failed to close database")
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oldFilePath := filepath.Join(backupsPath, files[0].Name())
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newFilePath := filepath.Join(backupsPath, DatabaseFileName)
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// We rename the file to match the database file name
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// our NewKVStore function expects when opening a database.
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require.NoError(t, os.Rename(oldFilePath, newFilePath))
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backedDB, err := NewKVStore(ctx, backupsPath, &Config{})
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require.NoError(t, err, "Failed to instantiate DB")
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t.Cleanup(func() {
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require.NoError(t, backedDB.Close(), "Failed to close database")
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})
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require.Equal(t, true, backedDB.HasState(ctx, root))
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}
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func TestStore_BackupMultipleBuckets(t *testing.T) {
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db, err := NewKVStore(context.Background(), t.TempDir(), &Config{})
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require.NoError(t, err, "Failed to instantiate DB")
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ctx := context.Background()
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startSlot := types.Slot(5000)
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for i := startSlot; i < 5200; i++ {
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head := testutil.NewBeaconBlock()
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head.Block.Slot = i
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require.NoError(t, db.SaveBlock(ctx, head))
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root, err := head.Block.HashTreeRoot()
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require.NoError(t, err)
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st, err := testutil.NewBeaconState()
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require.NoError(t, st.SetSlot(i))
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require.NoError(t, err)
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require.NoError(t, db.SaveState(ctx, st, root))
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require.NoError(t, db.SaveHeadBlockRoot(ctx, root))
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}
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require.NoError(t, db.Backup(ctx, ""))
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backupsPath := filepath.Join(db.databasePath, backupsDirectoryName)
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files, err := ioutil.ReadDir(backupsPath)
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require.NoError(t, err)
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require.NotEqual(t, 0, len(files), "No backups created")
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require.NoError(t, db.Close(), "Failed to close database")
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oldFilePath := filepath.Join(backupsPath, files[0].Name())
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newFilePath := filepath.Join(backupsPath, DatabaseFileName)
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// We rename the file to match the database file name
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// our NewKVStore function expects when opening a database.
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require.NoError(t, os.Rename(oldFilePath, newFilePath))
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backedDB, err := NewKVStore(ctx, backupsPath, &Config{})
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require.NoError(t, err, "Failed to instantiate DB")
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t.Cleanup(func() {
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require.NoError(t, backedDB.Close(), "Failed to close database")
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})
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for i := startSlot; i < 5200; i++ {
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head := testutil.NewBeaconBlock()
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head.Block.Slot = i
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root, err := head.Block.HashTreeRoot()
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require.NoError(t, err)
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nBlock, err := backedDB.Block(ctx, root)
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require.NoError(t, err)
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require.NotNil(t, nBlock)
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require.Equal(t, nBlock.Block.Slot, i)
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nState, err := backedDB.State(ctx, root)
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require.NoError(t, err)
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require.NotNil(t, nState)
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require.Equal(t, nState.Slot(), i)
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}
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}
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