How to use Snapshot method of main Package

Best Syzkaller code snippet using main.Snapshot

trieStorageManager.go

Source:trieStorageManager.go

...34type snapshotsQueueEntry struct {35	rootHash         []byte36	mainTrieRootHash []byte37	leavesChan       chan core.KeyValueHolder38	stats            common.SnapshotStatisticsHandler39	epoch            uint3240}41// NewTrieStorageManagerArgs holds the arguments needed for creating a new trieStorageManager42type NewTrieStorageManagerArgs struct {43	MainStorer             common.DBWriteCacher44	CheckpointsStorer      common.DBWriteCacher45	Marshalizer            marshal.Marshalizer46	Hasher                 hashing.Hasher47	GeneralConfig          config.TrieStorageManagerConfig48	CheckpointHashesHolder CheckpointHashesHolder49	IdleProvider           IdleNodeProvider50}51// NewTrieStorageManager creates a new instance of trieStorageManager52func NewTrieStorageManager(args NewTrieStorageManagerArgs) (*trieStorageManager, error) {53	if check.IfNil(args.MainStorer) {54		return nil, fmt.Errorf("%w for main storer", ErrNilStorer)55	}56	if check.IfNil(args.CheckpointsStorer) {57		return nil, fmt.Errorf("%w for checkpoints storer", ErrNilStorer)58	}59	if check.IfNil(args.Marshalizer) {60		return nil, ErrNilMarshalizer61	}62	if check.IfNil(args.Hasher) {63		return nil, ErrNilHasher64	}65	if check.IfNil(args.CheckpointHashesHolder) {66		return nil, ErrNilCheckpointHashesHolder67	}68	if check.IfNil(args.IdleProvider) {69		return nil, ErrNilIdleNodeProvider70	}71	ctx, cancelFunc := context.WithCancel(context.Background())72	tsm := &trieStorageManager{73		mainStorer:             args.MainStorer,74		checkpointsStorer:      args.CheckpointsStorer,75		snapshotReq:            make(chan *snapshotsQueueEntry, args.GeneralConfig.SnapshotsBufferLen),76		checkpointReq:          make(chan *snapshotsQueueEntry, args.GeneralConfig.SnapshotsBufferLen),77		pruningBlockingOps:     0,78		cancelFunc:             cancelFunc,79		checkpointHashesHolder: args.CheckpointHashesHolder,80		closer:                 closing.NewSafeChanCloser(),81		idleProvider:           args.IdleProvider,82	}83	goRoutinesThrottler, err := throttler.NewNumGoRoutinesThrottler(int32(args.GeneralConfig.SnapshotsGoroutineNum))84	if err != nil {85		return nil, err86	}87	go tsm.doCheckpointsAndSnapshots(ctx, args.Marshalizer, args.Hasher, goRoutinesThrottler)88	return tsm, nil89}90func (tsm *trieStorageManager) doCheckpointsAndSnapshots(ctx context.Context, msh marshal.Marshalizer, hsh hashing.Hasher, goRoutinesThrottler core.Throttler) {91	tsm.doProcessLoop(ctx, msh, hsh, goRoutinesThrottler)92	tsm.cleanupChans()93}94func (tsm *trieStorageManager) doProcessLoop(ctx context.Context, msh marshal.Marshalizer, hsh hashing.Hasher, goRoutinesThrottler core.Throttler) {95	defer log.Debug("trieStorageManager.storageProcessLoop go routine is closing...")96	for {97		select {98		case snapshotRequest := <-tsm.snapshotReq:99			err := tsm.checkGoRoutinesThrottler(ctx, goRoutinesThrottler, snapshotRequest)100			if err != nil {101				return102			}103			goRoutinesThrottler.StartProcessing()104			go tsm.takeSnapshot(snapshotRequest, msh, hsh, ctx, goRoutinesThrottler)105		case snapshotRequest := <-tsm.checkpointReq:106			err := tsm.checkGoRoutinesThrottler(ctx, goRoutinesThrottler, snapshotRequest)107			if err != nil {108				return109			}110			goRoutinesThrottler.StartProcessing()111			go tsm.takeCheckpoint(snapshotRequest, msh, hsh, ctx, goRoutinesThrottler)112		case <-ctx.Done():113			return114		}115	}116}117func (tsm *trieStorageManager) checkGoRoutinesThrottler(118	ctx context.Context,119	goRoutinesThrottler core.Throttler,120	snapshotRequest *snapshotsQueueEntry,121) error {122	for {123		if goRoutinesThrottler.CanProcess() {124			break125		}126		select {127		case <-time.After(time.Millisecond * 100):128			continue129		case <-ctx.Done():130			tsm.finishOperation(snapshotRequest, "did not start snapshot, goroutione is closing")131			return ErrTimeIsOut132		}133	}134	return nil135}136func (tsm *trieStorageManager) cleanupChans() {137	<-tsm.closer.ChanClose()138	// at this point we can not add new entries in the snapshot/checkpoint chans139	for {140		select {141		case entry := <-tsm.snapshotReq:142			tsm.finishOperation(entry, "trie snapshot finished on cleanup")143		case entry := <-tsm.checkpointReq:144			tsm.finishOperation(entry, "trie checkpoint finished on cleanup")145		default:146			log.Debug("finished trieStorageManager.cleanupChans")147			return148		}149	}150}151// Get checks all the storers for the given key, and returns it if it is found152func (tsm *trieStorageManager) Get(key []byte) ([]byte, error) {153	tsm.storageOperationMutex.Lock()154	defer tsm.storageOperationMutex.Unlock()155	if tsm.closed {156		log.Trace("trieStorageManager get context closing", "key", key)157		return nil, errors.ErrContextClosing158	}159	val, err := tsm.mainStorer.Get(key)160	if isClosingError(err) {161		return nil, err162	}163	if len(val) != 0 {164		return val, nil165	}166	return tsm.getFromOtherStorers(key)167}168// GetFromCurrentEpoch checks only the current storer for the given key, and returns it if it is found169func (tsm *trieStorageManager) GetFromCurrentEpoch(key []byte) ([]byte, error) {170	tsm.storageOperationMutex.Lock()171	if tsm.closed {172		log.Trace("trieStorageManager get context closing", "key", key)173		tsm.storageOperationMutex.Unlock()174		return nil, errors.ErrContextClosing175	}176	storer, ok := tsm.mainStorer.(snapshotPruningStorer)177	if !ok {178		storerType := fmt.Sprintf("%T", tsm.mainStorer)179		tsm.storageOperationMutex.Unlock()180		return nil, fmt.Errorf("invalid storer, type is %s", storerType)181	}182	tsm.storageOperationMutex.Unlock()183	return storer.GetFromCurrentEpoch(key)184}185func (tsm *trieStorageManager) getFromOtherStorers(key []byte) ([]byte, error) {186	val, err := tsm.checkpointsStorer.Get(key)187	if isClosingError(err) {188		return nil, err189	}190	if len(val) != 0 {191		return val, nil192	}193	return nil, ErrKeyNotFound194}195func isClosingError(err error) bool {196	if err == nil {197		return false198	}199	isClosingErr := err == errors.ErrContextClosing ||200		err == storage.ErrDBIsClosed ||201		strings.Contains(err.Error(), storage.ErrDBIsClosed.Error()) ||202		strings.Contains(err.Error(), errors.ErrContextClosing.Error())203	return isClosingErr204}205// Put adds the given value to the main storer206func (tsm *trieStorageManager) Put(key []byte, val []byte) error {207	tsm.storageOperationMutex.Lock()208	defer tsm.storageOperationMutex.Unlock()209	log.Trace("put hash in tsm", "hash", key)210	if tsm.closed {211		log.Trace("trieStorageManager put context closing", "key", key, "value", val)212		return errors.ErrContextClosing213	}214	return tsm.mainStorer.Put(key, val)215}216// PutInEpoch adds the given value to the main storer in the specified epoch217func (tsm *trieStorageManager) PutInEpoch(key []byte, val []byte, epoch uint32) error {218	tsm.storageOperationMutex.Lock()219	defer tsm.storageOperationMutex.Unlock()220	log.Trace("put hash in tsm in epoch", "hash", key, "epoch", epoch)221	if tsm.closed {222		log.Trace("trieStorageManager put context closing", "key", key, "value", val, "epoch", epoch)223		return errors.ErrContextClosing224	}225	storer, ok := tsm.mainStorer.(snapshotPruningStorer)226	if !ok {227		return fmt.Errorf("invalid storer type for PutInEpoch")228	}229	return storer.PutInEpochWithoutCache(key, val, epoch)230}231// EnterPruningBufferingMode increases the counter that tracks how many operations232// that block the pruning process are in progress233func (tsm *trieStorageManager) EnterPruningBufferingMode() {234	tsm.storageOperationMutex.Lock()235	defer tsm.storageOperationMutex.Unlock()236	tsm.pruningBlockingOps++237	log.Trace("enter pruning buffering state", "operations in progress that block pruning", tsm.pruningBlockingOps)238}239// ExitPruningBufferingMode decreases the counter that tracks how many operations240// that block the pruning process are in progress241func (tsm *trieStorageManager) ExitPruningBufferingMode() {242	tsm.storageOperationMutex.Lock()243	defer tsm.storageOperationMutex.Unlock()244	if tsm.pruningBlockingOps < 1 {245		log.Error("ExitPruningBufferingMode called too many times")246		return247	}248	tsm.pruningBlockingOps--249	log.Trace("exit pruning buffering state", "operations in progress that block pruning", tsm.pruningBlockingOps)250}251// GetLatestStorageEpoch returns the epoch for the latest opened persister252func (tsm *trieStorageManager) GetLatestStorageEpoch() (uint32, error) {253	tsm.storageOperationMutex.Lock()254	defer tsm.storageOperationMutex.Unlock()255	storer, ok := tsm.mainStorer.(snapshotPruningStorer)256	if !ok {257		log.Debug("GetLatestStorageEpoch", "error", fmt.Sprintf("%T", tsm.mainStorer))258		return 0, fmt.Errorf("invalid storer type for GetLatestStorageEpoch")259	}260	return storer.GetLatestStorageEpoch()261}262// TakeSnapshot creates a new snapshot, or if there is another snapshot or checkpoint in progress,263// it adds this snapshot in the queue.264func (tsm *trieStorageManager) TakeSnapshot(265	rootHash []byte,266	mainTrieRootHash []byte,267	leavesChan chan core.KeyValueHolder,268	stats common.SnapshotStatisticsHandler,269	epoch uint32,270) {271	if tsm.isClosed() {272		tsm.safelyCloseChan(leavesChan)273		stats.SnapshotFinished()274		return275	}276	if bytes.Equal(rootHash, EmptyTrieHash) {277		log.Trace("should not snapshot an empty trie")278		tsm.safelyCloseChan(leavesChan)279		stats.SnapshotFinished()280		return281	}282	tsm.EnterPruningBufferingMode()283	tsm.checkpointHashesHolder.RemoveCommitted(rootHash)284	snapshotEntry := &snapshotsQueueEntry{285		rootHash:         rootHash,286		mainTrieRootHash: mainTrieRootHash,287		leavesChan:       leavesChan,288		stats:            stats,289		epoch:            epoch,290	}291	select {292	case tsm.snapshotReq <- snapshotEntry:293	case <-tsm.closer.ChanClose():294		tsm.ExitPruningBufferingMode()295		tsm.safelyCloseChan(leavesChan)296		stats.SnapshotFinished()297	}298}299// SetCheckpoint creates a new checkpoint, or if there is another snapshot or checkpoint in progress,300// it adds this checkpoint in the queue. The checkpoint operation creates a new snapshot file301// only if there was no snapshot done prior to this302func (tsm *trieStorageManager) SetCheckpoint(rootHash []byte, mainTrieRootHash []byte, leavesChan chan core.KeyValueHolder, stats common.SnapshotStatisticsHandler) {303	if tsm.isClosed() {304		tsm.safelyCloseChan(leavesChan)305		stats.SnapshotFinished()306		return307	}308	if bytes.Equal(rootHash, EmptyTrieHash) {309		log.Trace("should not set checkpoint for empty trie")310		tsm.safelyCloseChan(leavesChan)311		stats.SnapshotFinished()312		return313	}314	tsm.EnterPruningBufferingMode()315	checkpointEntry := &snapshotsQueueEntry{316		rootHash:         rootHash,317		mainTrieRootHash: mainTrieRootHash,318		leavesChan:       leavesChan,319		stats:            stats,320	}321	select {322	case tsm.checkpointReq <- checkpointEntry:323	case <-tsm.closer.ChanClose():324		tsm.ExitPruningBufferingMode()325		tsm.safelyCloseChan(leavesChan)326		stats.SnapshotFinished()327	}328}329func (tsm *trieStorageManager) safelyCloseChan(ch chan core.KeyValueHolder) {330	if ch != nil {331		close(ch)332	}333}334func (tsm *trieStorageManager) finishOperation(snapshotEntry *snapshotsQueueEntry, message string) {335	tsm.ExitPruningBufferingMode()336	log.Trace(message, "rootHash", snapshotEntry.rootHash)337	tsm.safelyCloseChan(snapshotEntry.leavesChan)338	snapshotEntry.stats.SnapshotFinished()339}340func (tsm *trieStorageManager) takeSnapshot(snapshotEntry *snapshotsQueueEntry, msh marshal.Marshalizer, hsh hashing.Hasher, ctx context.Context, goRoutinesThrottler core.Throttler) {341	defer func() {342		tsm.finishOperation(snapshotEntry, "trie snapshot finished")343		goRoutinesThrottler.EndProcessing()344	}()345	log.Trace("trie snapshot started", "rootHash", snapshotEntry.rootHash)346	newRoot, err := newSnapshotNode(tsm, msh, hsh, snapshotEntry.rootHash)347	if err != nil {348		treatSnapshotError(err,349			"trie storage manager: newSnapshotNode takeSnapshot",350			snapshotEntry.rootHash,351			snapshotEntry.mainTrieRootHash,352		)353		return354	}355	stsm, err := newSnapshotTrieStorageManager(tsm, snapshotEntry.epoch)356	if err != nil {357		log.Error("takeSnapshot: trie storage manager: newSnapshotTrieStorageManager",358			"rootHash", snapshotEntry.rootHash,359			"main trie rootHash", snapshotEntry.mainTrieRootHash,360			"err", err.Error())361		return362	}363	err = newRoot.commitSnapshot(stsm, snapshotEntry.leavesChan, ctx, snapshotEntry.stats, tsm.idleProvider)364	if err != nil {365		treatSnapshotError(err,366			"trie storage manager: takeSnapshot commit",367			snapshotEntry.rootHash,368			snapshotEntry.mainTrieRootHash,369		)370		return371	}372}373func (tsm *trieStorageManager) takeCheckpoint(checkpointEntry *snapshotsQueueEntry, msh marshal.Marshalizer, hsh hashing.Hasher, ctx context.Context, goRoutinesThrottler core.Throttler) {374	defer func() {375		tsm.finishOperation(checkpointEntry, "trie checkpoint finished")376		goRoutinesThrottler.EndProcessing()377	}()378	log.Trace("trie checkpoint started", "rootHash", checkpointEntry.rootHash)379	newRoot, err := newSnapshotNode(tsm, msh, hsh, checkpointEntry.rootHash)380	if err != nil {381		treatSnapshotError(err,382			"trie storage manager: newSnapshotNode takeCheckpoint",383			checkpointEntry.rootHash,384			checkpointEntry.mainTrieRootHash,385		)386		return387	}388	err = newRoot.commitCheckpoint(tsm, tsm.checkpointsStorer, tsm.checkpointHashesHolder, checkpointEntry.leavesChan, ctx, checkpointEntry.stats, tsm.idleProvider)389	if err != nil {390		treatSnapshotError(err,391			"trie storage manager: takeCheckpoint commit",392			checkpointEntry.rootHash,393			checkpointEntry.mainTrieRootHash,394		)395		return396	}397}398func treatSnapshotError(err error, message string, rootHash []byte, mainTrieRootHash []byte) {399	if isClosingError(err) {400		log.Debug("context closing", "message", message, "rootHash", rootHash, "mainTrieRootHash", mainTrieRootHash)401		return402	}403	log.Error(message, "rootHash", rootHash, "mainTrieRootHash", mainTrieRootHash, "err", err.Error())404}405func newSnapshotNode(406	db common.DBWriteCacher,407	msh marshal.Marshalizer,408	hsh hashing.Hasher,409	rootHash []byte,410) (snapshotNode, error) {411	newRoot, err := getNodeFromDBAndDecode(rootHash, db, msh, hsh)412	if err != nil {413		return nil, err414	}415	return newRoot, nil416}417// IsPruningEnabled returns true if the trie pruning is enabled418func (tsm *trieStorageManager) IsPruningEnabled() bool {419	return true420}421// IsPruningBlocked returns true if there is any pruningBlockingOperation in progress422func (tsm *trieStorageManager) IsPruningBlocked() bool {423	tsm.storageOperationMutex.RLock()424	defer tsm.storageOperationMutex.RUnlock()425	return tsm.pruningBlockingOps != 0426}427// AddDirtyCheckpointHashes adds the given hashes to the checkpoint hashes holder428func (tsm *trieStorageManager) AddDirtyCheckpointHashes(rootHash []byte, hashes common.ModifiedHashes) bool {429	return tsm.checkpointHashesHolder.Put(rootHash, hashes)430}431// Remove removes the given hash form the storage and from the checkpoint hashes holder432func (tsm *trieStorageManager) Remove(hash []byte) error {433	tsm.storageOperationMutex.Lock()434	defer tsm.storageOperationMutex.Unlock()435	tsm.checkpointHashesHolder.Remove(hash)436	storer, ok := tsm.mainStorer.(snapshotPruningStorer)437	if !ok {438		return fmt.Errorf("%w, storer type is %s", ErrWrongTypeAssertion, fmt.Sprintf("%T", tsm.mainStorer))439	}440	return storer.RemoveFromCurrentEpoch(hash)441}442func (tsm *trieStorageManager) isClosed() bool {443	tsm.storageOperationMutex.RLock()444	defer tsm.storageOperationMutex.RUnlock()445	return tsm.closed446}447// Close - closes all underlying components448func (tsm *trieStorageManager) Close() error {449	tsm.storageOperationMutex.Lock()450	defer tsm.storageOperationMutex.Unlock()451	tsm.cancelFunc()452	tsm.closed = true453	// calling close on the SafeCloser instance should be the last instruction called454	// (just to close some go routines started as edge cases that would otherwise hang)455	defer tsm.closer.Close()456	var err error457	errMainStorerClose := tsm.mainStorer.Close()458	if errMainStorerClose != nil {459		log.Error("trieStorageManager.Close mainStorerClose", "error", errMainStorerClose)460		err = errMainStorerClose461	}462	errCheckpointsStorerClose := tsm.checkpointsStorer.Close()463	if errCheckpointsStorerClose != nil {464		log.Error("trieStorageManager.Close checkpointsStorerClose", "error", errCheckpointsStorerClose)465		err = errCheckpointsStorerClose466	}467	if err != nil {468		return fmt.Errorf("trieStorageManager close failed: %w", err)469	}470	return nil471}472// SetEpochForPutOperation will set the storer for the given epoch as the current storer473func (tsm *trieStorageManager) SetEpochForPutOperation(epoch uint32) {474	storer, ok := tsm.mainStorer.(epochStorer)475	if !ok {476		log.Error("invalid storer for ChangeEpochForPutOperations", "epoch", epoch)477		return478	}479	storer.SetEpochForPutOperation(epoch)480}481// ShouldTakeSnapshot returns true if the conditions for a new snapshot are met482func (tsm *trieStorageManager) ShouldTakeSnapshot() bool {483	stsm, err := newSnapshotTrieStorageManager(tsm, 0)484	if err != nil {485		log.Error("shouldTakeSnapshot error", "err", err.Error())486		return false487	}488	if isTrieSynced(stsm) {489		return false490	}491	return isActiveDB(stsm)492}493func isActiveDB(stsm *snapshotTrieStorageManager) bool {494	val, err := stsm.Get([]byte(common.ActiveDBKey))495	if err != nil {496		log.Debug("isActiveDB get error", "err", err.Error())497		return false498	}499	if bytes.Equal(val, []byte(common.ActiveDBVal)) {...

Snapshot

Using AI Code Generation

1import (2func main() {3	img := image.NewRGBA(image.Rect(0, 0, 100, 100))4	for x := 0; x < 100; x++ {5		for y := 0; y < 100; y++ {6			img.Set(x, y, color.RGBA{uint8(x), uint8(y), 255, 255})7		}8	}9	f, _ := os.Create("image.png")10	png.Encode(f, img)11}12import (13func main() {14	img := image.NewRGBA(image.Rect(0, 0, 100, 100))15	for x := 0; x < 100; x++ {16		for y := 0; y < 100; y++ {17			img.Set(x, y, color.RGBA{uint8(x), uint8(y), 255, 255})18		}19	}20	f, _ := os.Create("image.png")21	png.Encode(f, img)22}23import (24func main() {25	img := image.NewRGBA(image.Rect(0, 0, 100, 100))26	for x := 0; x < 100; x++ {27		for y := 0; y < 100; y++ {28			img.Set(x, y, color.RGBA{uint8(x), uint8(y), 255, 255})29		}30	}31	f, _ := os.Create("image.png")32	png.Encode(f, img)33}34import (

Snapshot

Using AI Code Generation

1import (2func main() {3    c := cron.New()4    c.AddFunc("0 0 0 * * *", func() { fmt.Println("Every day at midnight") })5    c.AddFunc("@hourly", func() { fmt.Println("Every hour") })6    c.AddFunc("@every 1h30m", func() { fmt.Println("Every hour thirty") })7    c.Start()8    c.Snapshot()9    select {}10}11import (12func main() {13    c := cron.New()14    c.AddFunc("0 0 0 * * *", func() { fmt.Println("Every day at midnight") })15    c.AddFunc("@hourly", func() { fmt.Println("Every hour") })16    c.AddFunc("@every 1h30m", func() { fmt.Println("Every hour thirty") })17    c.Start()18    c.Snapshot()19    c.Restore()20    select {}21}22import (23func main() {24    c := cron.New()25    c.AddFunc("0 0 0 * * *", func() { fmt.Println("Every day at midnight") })26    c.AddFunc("@hourly", func() { fmt.Println("Every hour") })27    c.AddFunc("@every 1h30m", func() { fmt.Println("Every hour thirty") })28    c.Start()29    c.Snapshot()30    c.Restore()31    c.Remove("0 0 0 * * *")32    select {}33}34import (35func main() {36    c := cron.New()37    c.AddFunc("0 0 0 * * *", func() { fmt.Println("Every day at midnight") })38    c.AddFunc("@hourly", func() { fmt.Println("Every hour") })

Snapshot

Using AI Code Generation

1import (2func main() {3	snapshot.Snapshot(config.SnapshotConf)4	c := make(chan os.Signal, 1)5	signal.Notify(c, os.Interrupt, syscall.SIGTERM)6	fmt.Println("exiting..")7	os.Exit(0)8}9import (10func main() {11	snapshot.Snapshot(config.SnapshotConf)12	c := make(chan os.Signal, 1)13	signal.Notify(c, os.Interrupt, syscall.SIGTERM)14	fmt.Println("exiting..")15	os.Exit(0)16}17import (18func main() {19	snapshot.Snapshot(config.SnapshotConf)20	c := make(chan os.Signal, 1)21	signal.Notify(c, os.Interrupt, syscall.SIGTERM)22	fmt.Println("exiting..")23	os.Exit(0)24}25import (26func main() {27	snapshot.Snapshot(config.SnapshotConf)

Snapshot

Using AI Code Generation

1import (2func main() {3	b := make([]byte, 1024*1024*1024)4	fmt.Println("Allocated 1GB")5	runtime.GC()6	runtime.ReadMemStats(&m)7	fmt.Println("Memory Usage", m.Alloc/1024)8	for i := 0; i < 1024*1024*1024; i++ {9	}10	fmt.Println("Used 1GB")11	runtime.GC()12	runtime.ReadMemStats(&m)13	fmt.Println("Memory Usage", m.Alloc/1024)14	time.Sleep(5 * time.Second)15}

Snapshot

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, 2")4    main.Snapshot()5}6import "fmt"7func main() {8    fmt.Println("Hello, 3")9    main.Snapshot()10}11import "fmt"12func main() {13    fmt.Println("Hello, 4")14    main.Snapshot()15}16import "fmt"17func main() {18    fmt.Println("Hello, 5")19    main.Snapshot()20}21import "fmt"22func main() {23    fmt.Println("Hello, 6")24    main.Snapshot()25}26import "fmt"27func main() {28    fmt.Println("Hello, 7")29    main.Snapshot()30}31import "fmt"32func main() {33    fmt.Println("Hello, 8")34    main.Snapshot()35}36import "fmt"37func main() {38    fmt.Println("Hello, 9")39    main.Snapshot()40}41import "fmt"42func main() {43    fmt.Println("Hello, 10")44    main.Snapshot()45}46import "fmt"47func main() {48    fmt.Println("Hello, 11")49    main.Snapshot()50}51import "fmt"

Snapshot

Using AI Code Generation

1import (2func main() {3    ecoin := ECoin.NewECoin()4    ecoin.Snapshot()5    time.Sleep(3 * time.Second)6    ecoin.Snapshot()7}8import (9func main() {10    ecoin := ECoin.NewECoin()11    ecoin.Snapshot()12    time.Sleep(5 * time.Second)13    ecoin.Snapshot()14}15import (16func main() {17    ecoin := ECoin.NewECoin()18    ecoin.Snapshot()19    time.Sleep(7 * time.Second)20    ecoin.Snapshot()21}22import (23func main() {24    ecoin := ECoin.NewECoin()25    ecoin.Snapshot()26    time.Sleep(9 * time.Second)27    ecoin.Snapshot()28}29import (30func main() {31    ecoin := ECoin.NewECoin()32    ecoin.Snapshot()33    time.Sleep(11 * time.Second)34    ecoin.Snapshot()35}36import (37func main() {38    ecoin := ECoin.NewECoin()39    ecoin.Snapshot()40    time.Sleep(13 * time.Second)41    ecoin.Snapshot()42}

Snapshot

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello World")4	main.Snapshot()5}6import (7func main() {8	fmt.Println("Hello World")9	fmt.Println("Program name is:", os.Args[0])10}11import (12func main() {13	fmt.Println("Hello World")14	fmt.Println("Program name is:", os.Args[0])15	if len(os.Args) > 1 {16		a, err := strconv.Atoi(os.Args[1])17		b, err := strconv.Atoi(os.Args[2])18		if err == nil {19			fmt.Printf("The sum of the two numbers is: %d", a+b)20		}21	}22}23import (24func main() {25	fmt.Println("Hello World")26	fmt.Println("Program name is:", os.Args[0])27	if len(os.Args) > 1 {28		fmt.Println("The file name is:", os.Args[1])29	}30}

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