diff --git a/main/main.go b/main/main.go new file mode 100644 index 000000000..91c815813 --- /dev/null +++ b/main/main.go @@ -0,0 +1,101 @@ +// Copyright (C) 2019-2026, Lux Industries Inc. All rights reserved. +// See the file LICENSE for licensing terms. + +// luxd — Lux Network node daemon. +// +// Entry point for the Lux primary-network node binary. Loads configuration +// from CLI flags + config files via Viper, constructs a [node.Node], and +// dispatches the main event loop. +package main + +import ( + "context" + "errors" + "fmt" + "os" + "os/signal" + "syscall" + + "github.com/luxfi/log" + "github.com/luxfi/node/config" + "github.com/luxfi/node/node" + "github.com/luxfi/node/version" + "github.com/luxfi/sys/ulimit" +) + +const Header = ` +▼▼▼▼▼ + ▼▼▼ + ▼ +` + +func main() { + if exitCode := run(os.Args[1:]); exitCode != 0 { + os.Exit(exitCode) + } +} + +func run(args []string) int { + // --version short-circuit + for _, a := range args { + if a == "--version" || a == "-v" { + fmt.Println(version.CurrentApp.String()) + return 0 + } + } + + fmt.Print(Header) + + // Parse CLI + config file via Viper. + fs := config.BuildFlagSet() + v, err := config.BuildViper(fs, args) + if err != nil { + fmt.Fprintln(os.Stderr, "luxd: failed to parse config:", err) + return 1 + } + cfg, err := config.GetNodeConfig(v) + if err != nil { + fmt.Fprintln(os.Stderr, "luxd: failed to load node config:", err) + return 1 + } + + // Logger. + infoLevel, _ := log.ToLevel("info") + logFactory := log.NewFactoryWithConfig(log.Config{ + DisplayLevel: infoLevel, + LogLevel: infoLevel, + }) + logger, err := logFactory.Make("node") + if err != nil { + fmt.Fprintln(os.Stderr, "luxd: failed to construct logger:", err) + return 1 + } + + // Bump file descriptor limit early; node + its plugins open many sockets. + if err := ulimit.Set(ulimit.DefaultFDLimit, logger); err != nil { + logger.Error("failed to set fd limit", "error", err) + return 1 + } + + // Construct the node. + n, err := node.New(&cfg, logFactory, logger) + if err != nil { + logger.Error("failed to construct node", "error", err) + return 1 + } + + // Run dispatch loop with signal-driven shutdown. + ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM) + defer cancel() + go func() { + <-ctx.Done() + logger.Info("received shutdown signal") + n.Shutdown(0) + }() + + if err := n.Dispatch(); err != nil && !errors.Is(err, context.Canceled) { + logger.Error("dispatch returned error", "error", err) + return 1 + } + return n.ExitCode() +}