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main.go
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main.go
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package main
import (
"context"
"os"
"github.com/urfave/cli/v2"
"github.com/ethereum/go-ethereum/log"
challenger "github.com/ethereum-optimism/optimism/op-challenger"
"github.com/ethereum-optimism/optimism/op-challenger/config"
"github.com/ethereum-optimism/optimism/op-challenger/flags"
"github.com/ethereum-optimism/optimism/op-challenger/version"
opservice "github.com/ethereum-optimism/optimism/op-service"
"github.com/ethereum-optimism/optimism/op-service/cliapp"
oplog "github.com/ethereum-optimism/optimism/op-service/log"
"github.com/ethereum-optimism/optimism/op-service/opio"
)
var (
GitCommit = ""
GitDate = ""
)
// VersionWithMeta holds the textual version string including the metadata.
var VersionWithMeta = opservice.FormatVersion(version.Version, GitCommit, GitDate, version.Meta)
func main() {
args := os.Args
ctx := opio.WithInterruptBlocker(context.Background())
if err := run(ctx, args, challenger.Main); err != nil {
log.Crit("Application failed", "err", err)
}
}
type ConfiguredLifecycle func(ctx context.Context, log log.Logger, config *config.Config) (cliapp.Lifecycle, error)
func run(ctx context.Context, args []string, action ConfiguredLifecycle) error {
oplog.SetupDefaults()
app := cli.NewApp()
app.Version = VersionWithMeta
app.Flags = cliapp.ProtectFlags(flags.Flags)
app.Name = "op-challenger"
app.Usage = "Challenge outputs"
app.Description = "Ensures that on chain outputs are correct."
app.Commands = []*cli.Command{
ListGamesCommand,
ListClaimsCommand,
CreateGameCommand,
MoveCommand,
ResolveCommand,
}
app.Action = cliapp.LifecycleCmd(func(ctx *cli.Context, close context.CancelCauseFunc) (cliapp.Lifecycle, error) {
logger, err := setupLogging(ctx)
if err != nil {
return nil, err
}
logger.Info("Starting op-challenger", "version", VersionWithMeta)
cfg, err := flags.NewConfigFromCLI(ctx)
if err != nil {
return nil, err
}
return action(ctx.Context, logger, cfg)
})
return app.RunContext(ctx, args)
}
func setupLogging(ctx *cli.Context) (log.Logger, error) {
logCfg := oplog.ReadCLIConfig(ctx)
logger := oplog.NewLogger(oplog.AppOut(ctx), logCfg)
oplog.SetGlobalLogHandler(logger.Handler())
return logger, nil
}