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path: root/cmd/relay/main.go
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package main

import (
	"flag"
	"log"
	"net"
	"os"
	"os/signal"
	"syscall"

	"google.golang.org/grpc"

	pb "northwest.io/nostr-grpc/api/nostr/v1"
	grpchandler "northwest.io/nostr-grpc/internal/handler/grpc"
	"northwest.io/nostr-grpc/internal/storage"
)

func main() {
	var (
		grpcAddr = flag.String("grpc-addr", ":50051", "gRPC server address")
		dbPath   = flag.String("db", "relay.db", "SQLite database path")
	)
	flag.Parse()

	store, err := storage.New(*dbPath)
	if err != nil {
		log.Fatalf("failed to create storage: %v", err)
	}
	defer store.Close()

	handler := grpchandler.NewServer(store)

	lis, err := net.Listen("tcp", *grpcAddr)
	if err != nil {
		log.Fatalf("failed to listen: %v", err)
	}

	grpcServer := grpc.NewServer()
	pb.RegisterNostrRelayServer(grpcServer, handler)

	log.Printf("gRPC server listening on %s", *grpcAddr)
	log.Printf("Database: %s", *dbPath)

	sigChan := make(chan os.Signal, 1)
	signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM)

	go func() {
		<-sigChan
		log.Println("Shutting down...")
		grpcServer.GracefulStop()
	}()

	if err := grpcServer.Serve(lis); err != nil {
		log.Fatalf("failed to serve: %v", err)
	}
}