Files
scroll/bridge/cmd/msg_relayer/app/app.go

119 lines
2.9 KiB
Go

package app
import (
"context"
"fmt"
"os"
"os/signal"
"time"
"github.com/scroll-tech/go-ethereum/ethclient"
"github.com/scroll-tech/go-ethereum/log"
"github.com/urfave/cli/v2"
"scroll-tech/database"
"scroll-tech/common/metrics"
"scroll-tech/common/version"
"scroll-tech/bridge/config"
"scroll-tech/bridge/relayer"
cutils "scroll-tech/common/utils"
)
var (
app *cli.App
)
func init() {
// Set up message-relayer app info.
app = cli.NewApp()
app.Action = action
app.Name = "message-relayer"
app.Usage = "The Scroll Message Relayer"
app.Description = "Message Relayer contains two main service: 1) relay l1 message to l2. 2) relay l2 message to l1."
app.Version = version.Version
app.Flags = append(app.Flags, cutils.CommonFlags...)
app.Commands = []*cli.Command{}
app.Before = func(ctx *cli.Context) error {
return cutils.LogSetup(ctx)
}
// Register `message-relayer-test` app for integration-test.
cutils.RegisterSimulation(app, cutils.MessageRelayerApp)
}
func action(ctx *cli.Context) error {
// Load config file.
cfgFile := ctx.String(cutils.ConfigFileFlag.Name)
cfg, err := config.NewConfig(cfgFile)
if err != nil {
log.Crit("failed to load config file", "config file", cfgFile, "error", err)
}
subCtx, cancel := context.WithCancel(ctx.Context)
// Init db connection
var ormFactory database.OrmFactory
if ormFactory, err = database.NewOrmFactory(cfg.DBConfig); err != nil {
log.Crit("failed to init db connection", "err", err)
}
defer func() {
cancel()
err = ormFactory.Close()
if err != nil {
log.Error("can not close ormFactory", "error", err)
}
}()
// Start metrics server.
metrics.Serve(subCtx, ctx)
// Init l2geth connection
l2client, err := ethclient.Dial(cfg.L2Config.Endpoint)
if err != nil {
log.Error("failed to connect l2 geth", "config file", cfgFile, "error", err)
return err
}
l1relayer, err := relayer.NewLayer1Relayer(ctx.Context, ormFactory, cfg.L1Config.RelayerConfig)
if err != nil {
log.Error("failed to create new l1 relayer", "config file", cfgFile, "error", err)
return err
}
l2relayer, err := relayer.NewLayer2Relayer(ctx.Context, l2client, ormFactory, cfg.L2Config.RelayerConfig)
if err != nil {
log.Error("failed to create new l2 relayer", "config file", cfgFile, "error", err)
return err
}
// Start l1relayer process
go cutils.Loop(subCtx, 10*time.Second, l1relayer.ProcessSavedEvents)
// Start l2relayer process
go cutils.Loop(subCtx, 2*time.Second, l2relayer.ProcessSavedEvents)
// Finish start all message relayer functions
log.Info("Start message-relayer successfully")
// Catch CTRL-C to ensure a graceful shutdown.
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, os.Interrupt)
// Wait until the interrupt signal is received from an OS signal.
<-interrupt
return nil
}
// Run message_relayer cmd instance.
func Run() {
if err := app.Run(os.Args); err != nil {
_, _ = fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}