|
| 1 | +package app |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "fmt" |
| 6 | + "os" |
| 7 | + "os/signal" |
| 8 | + |
| 9 | + "github.com/ethereum/go-ethereum/common" |
| 10 | + "github.com/ethereum/go-ethereum/ethclient" |
| 11 | + "github.com/ethereum/go-ethereum/log" |
| 12 | + "github.com/urfave/cli/v2" |
| 13 | + |
| 14 | + "bridge-history-api/config" |
| 15 | + "bridge-history-api/cross_msg" |
| 16 | + "bridge-history-api/db" |
| 17 | + cutils "bridge-history-api/utils" |
| 18 | +) |
| 19 | + |
| 20 | +var ( |
| 21 | + app *cli.App |
| 22 | +) |
| 23 | + |
| 24 | +func init() { |
| 25 | + app = cli.NewApp() |
| 26 | + |
| 27 | + app.Action = action |
| 28 | + app.Name = "Scroll Bridge History API" |
| 29 | + app.Usage = "The Scroll Bridge Web Backend" |
| 30 | + app.Flags = append(app.Flags, cutils.CommonFlags...) |
| 31 | + app.Commands = []*cli.Command{} |
| 32 | + |
| 33 | + app.Before = func(ctx *cli.Context) error { |
| 34 | + return cutils.LogSetup(ctx) |
| 35 | + } |
| 36 | +} |
| 37 | + |
| 38 | +func action(ctx *cli.Context) error { |
| 39 | + // Load config file. |
| 40 | + cfgFile := ctx.String(cutils.ConfigFileFlag.Name) |
| 41 | + cfg, err := config.NewConfig(cfgFile) |
| 42 | + if err != nil { |
| 43 | + log.Crit("failed to load config file", "config file", cfgFile, "error", err) |
| 44 | + } |
| 45 | + subCtx, cancel := context.WithCancel(ctx.Context) |
| 46 | + defer cancel() |
| 47 | + |
| 48 | + l1client, err := ethclient.Dial(cfg.L1.Endpoint) |
| 49 | + if err != nil { |
| 50 | + log.Crit("failed to connect l1 geth", "config file", cfgFile, "error", err) |
| 51 | + } |
| 52 | + l2client, err := ethclient.Dial(cfg.L2.Endpoint) |
| 53 | + if err != nil { |
| 54 | + log.Crit("failed to connect l2 geth", "config file", cfgFile, "error", err) |
| 55 | + } |
| 56 | + db, err := db.NewOrmFactory(cfg) |
| 57 | + if err != nil { |
| 58 | + log.Crit("failed to connect to db", "config file", cfgFile, "error", err) |
| 59 | + } |
| 60 | + |
| 61 | + l1worker := &cross_msg.FetchEventWorker{F: cross_msg.L1FetchAndSaveEvents, G: cross_msg.GetLatestL1ProcessedHeight, Name: "L1 events fetch Worker"} |
| 62 | + |
| 63 | + l2worker := &cross_msg.FetchEventWorker{F: cross_msg.L2FetchAndSaveEvents, G: cross_msg.GetLatestL2ProcessedHeight, Name: "L2 events fetch Worker"} |
| 64 | + |
| 65 | + l1AddressList := []common.Address{ |
| 66 | + common.HexToAddress(cfg.L1.CustomERC20GatewayAddr), |
| 67 | + common.HexToAddress(cfg.L1.ERC721GatewayAddr), |
| 68 | + common.HexToAddress(cfg.L1.ERC1155GatewayAddr), |
| 69 | + common.HexToAddress(cfg.L1.MessengerAddr), |
| 70 | + common.HexToAddress(cfg.L1.ETHGatewayAddr), |
| 71 | + common.HexToAddress(cfg.L1.StandardERC20Gateway), |
| 72 | + common.HexToAddress(cfg.L1.WETHGatewayAddr), |
| 73 | + } |
| 74 | + |
| 75 | + l2AddressList := []common.Address{ |
| 76 | + common.HexToAddress(cfg.L2.CustomERC20GatewayAddr), |
| 77 | + common.HexToAddress(cfg.L2.ERC721GatewayAddr), |
| 78 | + common.HexToAddress(cfg.L2.ERC1155GatewayAddr), |
| 79 | + common.HexToAddress(cfg.L2.MessengerAddr), |
| 80 | + common.HexToAddress(cfg.L2.ETHGatewayAddr), |
| 81 | + common.HexToAddress(cfg.L2.StandardERC20Gateway), |
| 82 | + common.HexToAddress(cfg.L2.WETHGatewayAddr), |
| 83 | + } |
| 84 | + |
| 85 | + l1crossMsgFetcher, err := cross_msg.NewCrossMsgFetcher(subCtx, cfg.L1, db, l1client, l1worker, l1AddressList, cross_msg.L1ReorgHandling) |
| 86 | + if err != nil { |
| 87 | + log.Crit("failed to create l1 cross message fetcher", "error", err) |
| 88 | + } |
| 89 | + |
| 90 | + go l1crossMsgFetcher.Start() |
| 91 | + defer l1crossMsgFetcher.Stop() |
| 92 | + |
| 93 | + l2crossMsgFetcher, err := cross_msg.NewCrossMsgFetcher(subCtx, cfg.L2, db, l2client, l2worker, l2AddressList, cross_msg.L2ReorgHandling) |
| 94 | + if err != nil { |
| 95 | + log.Crit("failed to create l2 cross message fetcher", "error", err) |
| 96 | + } |
| 97 | + |
| 98 | + go l2crossMsgFetcher.Start() |
| 99 | + defer l2crossMsgFetcher.Stop() |
| 100 | + |
| 101 | + // Catch CTRL-C to ensure a graceful shutdown. |
| 102 | + interrupt := make(chan os.Signal, 1) |
| 103 | + signal.Notify(interrupt, os.Interrupt) |
| 104 | + |
| 105 | + // Wait until the interrupt signal is received from an OS signal. |
| 106 | + <-interrupt |
| 107 | + |
| 108 | + return nil |
| 109 | +} |
| 110 | + |
| 111 | +// Run event watcher cmd instance. |
| 112 | +func Run() { |
| 113 | + if err := app.Run(os.Args); err != nil { |
| 114 | + _, _ = fmt.Fprintln(os.Stderr, err) |
| 115 | + os.Exit(1) |
| 116 | + } |
| 117 | +} |
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