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How to use Swap method of watch Package

Best Ginkgo code snippet using watch.Swap

listener.go

Source:listener.go

...15	Repay              *repay16	ReserveUpdate      *reserveUpdate17	CollateralDisabled *collateralDisabled18	CollateralEnabled  *collateralEnabled19	Swap               *swap20	Withdraw           *withdraw21}22func NewListener() *Listener {23	return &Listener{24		Borrow:             &borrow{Incoming: make(chan *contracts.LendingPoolBorrow)},25		Deposit:            &deposit{Incoming: make(chan *contracts.LendingPoolDeposit)},26		FlashLoan:          &flashLoan{Incoming: make(chan *contracts.LendingPoolFlashLoan)},27		Liquidation:        &liquidation{Incoming: make(chan *contracts.LendingPoolLiquidationCall)},28		Rebalance:          &rebalance{Incoming: make(chan *contracts.LendingPoolRebalanceStableBorrowRate)},29		Repay:              &repay{Incoming: make(chan *contracts.LendingPoolRepay)},30		ReserveUpdate:      &reserveUpdate{Incoming: make(chan *contracts.LendingPoolReserveDataUpdated)},31		CollateralDisabled: &collateralDisabled{Incoming: make(chan *contracts.LendingPoolReserveUsedAsCollateralDisabled)},32		CollateralEnabled:  &collateralEnabled{Incoming: make(chan *contracts.LendingPoolReserveUsedAsCollateralEnabled)},33		Swap:               &swap{Incoming: make(chan *contracts.LendingPoolSwap)},34		Withdraw:           &withdraw{Incoming: make(chan *contracts.LendingPoolWithdraw)},35	}36}37func (l *Listener) initiateSubscriptions(cli *ethclient.Client, lendingPool *contracts.LendingPool) error {38	var err error39	// Subscribe to lending pool events.40	if l.Borrow.Sub, err = lendingPool.WatchBorrow(nil, l.Borrow.Incoming, nil, nil, nil); err != nil {41		return err42	}43	if l.Deposit.Sub, err = lendingPool.WatchDeposit(nil, l.Deposit.Incoming, nil, nil, nil); err != nil {44		return err45	}46	if l.FlashLoan.Sub, err = lendingPool.WatchFlashLoan(nil, l.FlashLoan.Incoming, nil, nil, nil); err != nil {47		return err48	}49	if l.Liquidation.Sub, err = lendingPool.WatchLiquidationCall(nil, l.Liquidation.Incoming, nil, nil, nil); err != nil {50		return err51	}52	if l.Rebalance.Sub, err = lendingPool.WatchRebalanceStableBorrowRate(nil, l.Rebalance.Incoming, nil, nil); err != nil {53		return err54	}55	if l.Repay.Sub, err = lendingPool.WatchRepay(nil, l.Repay.Incoming, nil, nil, nil); err != nil {56		return err57	}58	if l.ReserveUpdate.Sub, err = lendingPool.WatchReserveDataUpdated(nil, l.ReserveUpdate.Incoming, nil); err != nil {59		return err60	}61	if l.CollateralDisabled.Sub, err = lendingPool.WatchReserveUsedAsCollateralDisabled(nil, l.CollateralDisabled.Incoming, nil, nil); err != nil {62		return err63	}64	if l.CollateralEnabled.Sub, err = lendingPool.WatchReserveUsedAsCollateralEnabled(nil, l.CollateralEnabled.Incoming, nil, nil); err != nil {65		return err66	}67	if l.Swap.Sub, err = lendingPool.WatchSwap(nil, l.Swap.Incoming, nil, nil); err != nil {68		return err69	}70	if l.Withdraw.Sub, err = lendingPool.WatchWithdraw(nil, l.Withdraw.Incoming, nil, nil, nil); err != nil {71		return err72	}73	l.SubsOn = true74	return nil75}76// Unsubscribe from all subscriptions.77func (l *Listener) Cleanup() {78	l.Borrow.Sub.Unsubscribe()79	l.Deposit.Sub.Unsubscribe()80	l.FlashLoan.Sub.Unsubscribe()81	l.Liquidation.Sub.Unsubscribe()82	l.Rebalance.Sub.Unsubscribe()83	l.Repay.Sub.Unsubscribe()84	l.ReserveUpdate.Sub.Unsubscribe()85	l.CollateralDisabled.Sub.Unsubscribe()86	l.CollateralEnabled.Sub.Unsubscribe()87	l.Swap.Sub.Unsubscribe()88	l.Withdraw.Sub.Unsubscribe()89}90// Runs loop for listening to events and stores users in database.91func (l *Listener) Listen(92	e chan<- error,93	cli *ethclient.Client,94	db *leveldb.DB,95	lendingPool *contracts.LendingPool,96) {97	if err := l.initiateSubscriptions(cli, lendingPool); err != nil {98		e <- fmt.Errorf("failed to initiate subscriptions: %w", err)99		return100	}101	go func() {102		if err := l.listenSubError(); err != nil {103			e <- fmt.Errorf("subscription error: %w", err)104			return105		}106	}()107	fmt.Println("Listening for events...")108	for {109		select {110		case borrow := <-l.Borrow.Incoming:111			handleBorrow(db, borrow)112		case deposit := <-l.Deposit.Incoming:113			handleDeposit(db, deposit)114		case flashLoan := <-l.FlashLoan.Incoming:115			handleFlashLoan(db, flashLoan)116		case liquidation := <-l.Liquidation.Incoming:117			handleLiquidation(db, liquidation)118		case rebalance := <-l.Rebalance.Incoming:119			handleRebalance(db, rebalance)120		case repay := <-l.Repay.Incoming:121			handleRepay(db, repay)122		case reserveUpdate := <-l.ReserveUpdate.Incoming:123			handleReserveUpdate(reserveUpdate)124		case collateralDisabled := <-l.CollateralDisabled.Incoming:125			handleCollateralDisabled(db, collateralDisabled)126		case collateralEnabled := <-l.CollateralEnabled.Incoming:127			handleCollateralEnabled(db, collateralEnabled)128		case swap := <-l.Swap.Incoming:129			handleSwap(db, swap)130		case withdraw := <-l.Withdraw.Incoming:131			handleWithdraw(db, withdraw)132		}133	}134}135// Returns subscription error.136func (l *Listener) listenSubError() error {137	// Unblocks if an error occurs.138	select {139	case err := <-l.Borrow.Sub.Err():140		return err141	case err := <-l.Deposit.Sub.Err():142		return err143	case err := <-l.FlashLoan.Sub.Err():144		return err145	case err := <-l.Liquidation.Sub.Err():146		return err147	case err := <-l.Rebalance.Sub.Err():148		return err149	case err := <-l.Repay.Sub.Err():150		return err151	case err := <-l.ReserveUpdate.Sub.Err():152		return err153	case err := <-l.CollateralDisabled.Sub.Err():154		return err155	case err := <-l.CollateralEnabled.Sub.Err():156		return err157	case err := <-l.Swap.Sub.Err():158		return err159	case err := <-l.Withdraw.Sub.Err():160		return err161	}162}...

watch_tower.go

Source:watch_tower.go

...11// WatchTower -12type WatchTower struct {13	tracker    *tools.Tracker14	operations map[tools.OperationID]chain.Operation15	swaps      map[chain.Hex]*Swap16	needRedeem bool17	needRefund bool18	retryCount uint19	stopped bool20	wg      sync.WaitGroup21}22// NewWatchTower -23func NewWatchTower(cfg Config) (*WatchTower, error) {24	opts := []tools.TrackerOption{25		tools.WithLogLevel(zerolog.InfoLevel),26	}27	if cfg.Restore {28		opts = append(opts, tools.WithRestore())29	}30	track, err := tools.NewTracker(cfg.General.Chains, opts...)31	if err != nil {32		return nil, err33	}34	wt := &WatchTower{35		tracker:    track,36		retryCount: cfg.RetryCountOnFailedTx,37		operations: make(map[tools.OperationID]chain.Operation),38		swaps:      make(map[chain.Hex]*Swap),39	}40	if wt.retryCount == 0 {41		wt.retryCount = 342	}43	for i := range cfg.Types {44		switch cfg.Types[i] {45		case "redeem":46			wt.needRedeem = true47		case "refund":48			wt.needRefund = true49		}50	}51	return wt, nil52}53const minus30Minutes = -30 * time.Minute54// Run -55func (wt *WatchTower) Run(ctx context.Context, restore bool) error {56	wt.wg.Add(1)57	go wt.listen(ctx)58	if err := wt.tracker.Start(ctx); err != nil {59		return err60	}61	return nil62}63// Close -64func (wt *WatchTower) Close() error {65	wt.stopped = true66	wt.wg.Wait()67	if err := wt.tracker.Close(); err != nil {68		return err69	}70	return nil71}72func (wt *WatchTower) listen(ctx context.Context) {73	defer wt.wg.Done()74	ticker := time.NewTicker(time.Second * 30)75	defer ticker.Stop()76	for {77		select {78		case <-ctx.Done():79			return80		// Tracker81		case swap := <-wt.tracker.StatusChanged():82			swap.Log(log.Info()).Msg("swap info")83			s, ok := wt.swaps[swap.HashedSecret]84			if !ok {85				s = &Swap{swap, 0}86				wt.swaps[swap.HashedSecret] = s87			} else {88				s.merge(swap)89			}90			if err := wt.onSwap(ctx, s); err != nil {91				log.Err(err).Msg("onSwap")92			}93		case operation := <-wt.tracker.Operations():94			if err := wt.onOperation(ctx, operation); err != nil {95				log.Err(err).Msg("onOperation")96			}97		// Manager channels98		case <-ticker.C:99			wt.checkNextActionTime(ctx)100		}101	}102}103func (wt *WatchTower) onSwap(ctx context.Context, swap *Swap) error {104	if swap.RetryCount >= wt.retryCount {105		delete(wt.swaps, swap.HashedSecret)106		log.Info().Str("hashed_secret", swap.HashedSecret.String()).Msg("swap retry count transaction exceeded")107		return nil108	}109	switch swap.Status {110	case tools.StatusRedeemedOnce:111		if wt.needRedeem {112			if err := wt.redeem(ctx, swap); err != nil {113				return err114			}115		}116	case tools.StatusRefundedOnce:117	case tools.StatusRedeemed, tools.StatusRefunded:118		delete(wt.swaps, swap.HashedSecret)119	default:120	}121	return nil122}123func (wt *WatchTower) checkNextActionTime(ctx context.Context) {124	if !wt.needRefund && !wt.needRedeem {125		return126	}127	for hashedSecret, swap := range wt.swaps {128		if wt.stopped {129			return130		}131		if wt.needRedeem && swap.Status == tools.StatusRedeemedOnce {132			if err := wt.redeem(ctx, swap); err != nil {133				log.Err(err).Msg("redeem")134			}135		}136		if wt.needRefund {137			if swap.IsUnknown() {138				continue139			}140			if swap.RefundTime.UTC().Before(time.Now().UTC()) {141				if err := wt.refund(ctx, swap); err != nil {142					log.Err(err).Msg("refund")143					continue144				}145				delete(wt.swaps, hashedSecret)146			}147		}148	}149}150func (wt *WatchTower) redeem(ctx context.Context, swap *Swap) error {151	utcNow := time.Now().UTC()152	if leg := swap.Leg(); leg != nil && utcNow.Before(swap.RefundTime.UTC()) {153		if swap.RewardForRedeem.IsPositive() {154			swap.RetryCount++155			return wt.tracker.Redeem(ctx, swap.Swap, *leg)156		}157		if swap.RewardForRedeem.IsZero() && utcNow.After(swap.RefundTime.Add(minus30Minutes).UTC()) {158			log.Info().Msg("WatchTower starts redeem for swap with zero reward")159			swap.RetryCount++160			return wt.tracker.Redeem(ctx, swap.Swap, *leg)161		}162	}163	return nil164}165func (wt *WatchTower) refund(ctx context.Context, swap *Swap) error {166	if leg := swap.Leg(); leg != nil {167		swap.RetryCount++168		return wt.tracker.Refund(ctx, swap.Swap, *leg)169	}170	if swap.Acceptor.Status == tools.StatusInitiated && swap.Initiator.Status == tools.StatusInitiated {171		swap.RetryCount++172		if err := wt.tracker.Refund(ctx, swap.Swap, swap.Initiator); err != nil {173			return err174		}175		return wt.tracker.Refund(ctx, swap.Swap, swap.Acceptor)176	}177	return nil178}179func (wt *WatchTower) onOperation(ctx context.Context, operation chain.Operation) error {180	id := tools.OperationID{181		Hash:  operation.Hash,182		Chain: operation.ChainType,183	}184	switch operation.Status {185	case chain.Pending:186		wt.operations[id] = operation187		log.Info().Str("blockchain", operation.ChainType.String()).Str("hash", operation.Hash).Str("status", operation.Status.String()).Str("hashed_secret", operation.HashedSecret.String()).Msg("transaction")188	case chain.Applied:189		if old, ok := wt.operations[id]; ok {190			log.Info().Str("blockchain", operation.ChainType.String()).Str("hash", operation.Hash).Str("status", operation.Status.String()).Str("hashed_secret", old.HashedSecret.String()).Msg("transaction")191			delete(wt.operations, id)192		}193	case chain.Failed:194		if old, ok := wt.operations[id]; ok {195			log.Info().Str("blockchain", operation.ChainType.String()).Str("hash", operation.Hash).Str("status", operation.Status.String()).Str("hashed_secret", old.HashedSecret.String()).Msg("transaction")196			delete(wt.operations, id)197			if swap, ok := wt.swaps[old.HashedSecret]; ok {198				return wt.onSwap(ctx, swap)199			}200		}201	}202	return nil203}...

start.go

Source:start.go

...9	watchEventDelay = time.Duration(5) * time.Second10)11func (e *Engine) Start() {12	// ERC72113	go e.run(e.manageERC721OngoingRequest, watchSwapEventDelay)14	go e.run(e.manageERC721ConfirmedSwap, watchSwapEventDelay)15	go e.run(e.manageERC721TxCreatedSwap, watchSwapEventDelay)16	go e.run(e.manageERC721TxSentSwap, watchSwapEventDelay)17	// ERC115518	go e.run(e.manageERC1155OngoingRequest, watchSwapEventDelay)19	go e.run(e.manageERC1155ConfirmedSwap, watchSwapEventDelay)20	go e.run(e.manageERC1155TxCreatedSwap, watchSwapEventDelay)21	go e.run(e.manageERC1155TxSentSwap, watchSwapEventDelay)22}23func (e *Engine) run(fn func(), delay time.Duration) {24	fnName := runtime.FuncForPC(reflect.ValueOf(fn).Pointer()).Name()25	if delay.Seconds() == 0 {26		delay = watchEventDelay27	}28	for {29		time.Sleep(watchEventDelay)30		if e.deps.Recorder[e.chainID()].LatestBlockCached() == nil {31			util.Logger.Infof("[Engine.run][%s]: no latest block cache found for chain id %s", fnName, e.chainID())32			continue33		}34		fn()35	}...

Swap

Using AI Code Generation

1import (2type watch struct {3}4func (w *watch) set(h, m, s int) {5}6func (w *watch) String() string {7	return fmt.Sprintf("%02d:%02d:%02d", w.hour, w.minute, w.second)8}9func (w *watch) Swap() {10}11func main() {12	w := watch{}13	w.set(1, 2, 3)14	fmt.Println(w)15	w.Swap()16	fmt.Println(w)17}

Swap

Using AI Code Generation

1import (2type Watch struct {3}4func (w *Watch) Swap(brand string) {5}6func main() {7	watch := Watch{brand: "Fossil"}8	watch.Swap("Casio")9	time.Sleep(5 * time.Second)10}

Swap

Using AI Code Generation

1import (2func main() {3    opts := []selenium.ServiceOption{}4    svc, err := selenium.NewChromeDriverService("C:\\chromedriver.exe", 9515, opts...)5    if err != nil {6        log.Fatal(err)7    }8    defer svc.Stop()9    caps := selenium.Capabilities{"browserName": "chrome"}10    caps.AddChrome(chrome.Capabilities{11        Args: []string{12        },13    })14    if err != nil {15        log.Fatal(err)16    }17    defer wd.Quit()18        log.Fatal(err)19    }20    if err := wd.WaitWithTimeout(selenium.Condition{21        Fn: func(wd selenium.WebDriver) (bool, error) {22            el, err := wd.FindElement(selenium.ByCSSSelector, "#code")23            if err != nil {24            }25            return el.Displayed()26        },27    }, 10*time.Second); err != nil {28        log.Fatal(err)29    }30    codeBox, err := wd.FindElement(selenium.ByCSSSelector, "#code")31    if err != nil {32        log.Fatal(err)33    }34    if err := codeBox.SendKeys("package main35import \"fmt\"36func main() {37    fmt.Println(\"Hello, playground\")38}"); err != nil {39        log.Fatal(err)40    }41    runButton, err := wd.FindElement(selenium.ByCSSSelector, "#run")42    if err != nil {43        log.Fatal(err)44    }45    if err := runButton.Click(); err

Swap

Using AI Code Generation

1import (2func main() {3	watch1 := Watch{Brand: "Rolex", Price: 1000.00}4	watch2 := Watch{Brand: "Casio", Price: 50.00}5	fmt.Println(watch1, watch2)6	watch1.Swap(&watch2)7	fmt.Println(watch1, watch2)8}9import (10func main() {11	watch1 := Watch{Brand: "Rolex", Price: 1000.00}12	watch2 := Watch{Brand: "Casio", Price: 50.00}13	fmt.Println(watch1, watch2)14	watch1.Swap(watch2)15	fmt.Println(watch1, watch2)16}17import (18func main() {19	watch1 := Watch{Brand: "Rolex", Price: 1000.00}20	watch2 := Watch{Brand: "Casio", Price: 50.00}21	fmt.Println(watch1, watch2)22	watch1.Swap(&watch1)23	fmt.Println(watch1, watch2)24}25import (26func main() {27	watch1 := Watch{Brand: "Rolex", Price: 1000.00}28	watch2 := Watch{Brand: "Casio", Price: 50.00}29	fmt.Println(watch1, watch2)30	watch1.Swap(watch1)31	fmt.Println(watch1, watch2)32}

Swap

Using AI Code Generation

1import (2func main() {3	watch := Watch{hour: 9, minute: 30, second: 0}4	fmt.Println(watch)5	watch.Swap()6	fmt.Println(watch)7}8import (9func (w *Watch) Swap() {10	t := time.Date(0, 0, 0, w.hour, w.minute, w.second, 0, time.UTC)11	t = t.Add(12 * time.Hour)12	w.hour, w.minute, w.second = t.Clock()13}14import (15type Watch struct {16}17func (w Watch) String() string {18	return fmt.Sprintf("%02d:%02d:%02d", w.hour, w.minute, w.second)19}

Swap

Using AI Code Generation

1import "fmt"2func main() {3watch1 := watch{"Fossil", 100, "red"}4watch2 := watch{"Casio", 150, "black"}5fmt.Println("Before Swap")6fmt.Println(watch1)7fmt.Println(watch2)8watch1.Swap(&watch2)9fmt.Println("After Swap")10fmt.Println(watch1)11fmt.Println(watch2)12}13{Fossil 100 red}14{Casio 150 black}15{Casio 150 black}16{Fossil 100 red}17import "fmt"18func main() {19watch1 := watch{"Fossil", 100, "red"}20watch2 := watch{"Casio", 150, "black"}21fmt.Println("Before Swap")22fmt.Println(watch1)23fmt.Println(watch2)24watch1.Swap(watch2)25fmt.Println("After Swap")26fmt.Println(watch1)27fmt.Println(watch2)28}29{Fossil 100 red}30{Casio 150 black}31{Fossil 100 red}32{Casio 150 black}

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