config: alternative toml config

go.mod

@@ -3,6 +3,7 @@ module github.com/hieblmi/go-host-lnaddr
 go 1.19
 
 require (
+	github.com/BurntSushi/toml v0.3.1
 	github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f
 	github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible
 	github.com/lightningnetwork/lnd v0.17.2-beta

main.go

@@ -5,9 +5,6 @@ import (
 	"encoding/json"
 	"flag"
 	"fmt"
-	"github.com/btcsuite/btclog"
-	"github.com/lightningnetwork/lnd/lnrpc"
-	"github.com/lightningnetwork/lnd/macaroons"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
 	"gopkg.in/macaroon.v2"
@@ -16,6 +13,11 @@ import (
 	"net/http"
 	"os"
 	"strings"
+
+	"github.com/BurntSushi/toml"
+	"github.com/btcsuite/btclog"
+	"github.com/lightningnetwork/lnd/lnrpc"
+	"github.com/lightningnetwork/lnd/macaroons"
 )
 
 type ServerConfig struct {
@@ -73,21 +75,38 @@ type NostrConfig struct {
 }
 
 func main() {
-	c := flag.String(
-		"config", "./config.json", "Specify the configuration file",
-	)
+	configPath := flag.String("config", "", "path to configuration file "+
+		"(JSON or TOML)")
+
 	flag.Parse()
-	file, err := os.Open(*c)
-	if err != nil {
-		default_log.Fatalf("cannot open config file %v", err)
+
+	if *configPath == "" {
+		fmt.Println("Please specify a configuration file path.")
+		os.Exit(1)
 	}
-	defer file.Close()
 
-	config := ServerConfig{}
-	decoder := json.NewDecoder(file)
-	err = decoder.Decode(&config)
-	if err != nil {
-		default_log.Fatalf("cannot decode config JSON %v", err)
+	var config *ServerConfig
+	var err error
+	if strings.Contains(*configPath, ".json") {
+		config, err = loadJSONConfig(*configPath)
+		if err != nil {
+			fmt.Printf("Error loading JSON config: %v\n", err)
+
+			os.Exit(1)
+		}
+		fmt.Printf("Loaded JSON Config: %+v\n", config)
+	} else if strings.Contains(*configPath, ".toml") {
+		config, err = loadTOMLConfig(*configPath)
+		if err != nil {
+			fmt.Printf("Error loading TOML config: %v\n", err)
+
+			os.Exit(1)
+		}
+		fmt.Printf("Loaded TOML Config: %+v\n", config)
+	} else {
+		fmt.Println("Unsupported config file type.")
+
+		os.Exit(1)
 	}
 
 	workingDir := config.WorkingDir
@@ -117,16 +136,44 @@ func main() {
 		},
 	)
 
-	setupHandlerPerAddress(config)
+	setupHandlerPerAddress(*config)
 	setupNostrHandlers(config.Nostr)
-	setupNotificators(config)
+	setupNotificators(*config)
 
 	http.HandleFunc("/invoice/", invoiceManager.handleInvoiceCreation(
-		config),
+		*config,
+	),
 	)
 	http.ListenAndServe(fmt.Sprintf(":%d", config.AddressServerPort), nil)
 }
 
+func loadJSONConfig(filename string) (*ServerConfig, error) {
+	var config ServerConfig
+	file, err := os.Open(filename)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+	decoder := json.NewDecoder(file)
+	err = decoder.Decode(&config)
+	if err != nil {
+		return nil, err
+	}
+	return &config, nil
+}
+
+func loadTOMLConfig(filename string) (*ServerConfig, error) {
+	var config ServerConfig
+	content, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return nil, err
+	}
+	if _, err := toml.Decode(string(content), &config); err != nil {
+		return nil, err
+	}
+	return &config, nil
+}
+
 func setupHandlerPerAddress(config ServerConfig) {
 	metadata, err := metadataToString(config)
 	if err != nil {

sample_config.toml

@@ -0,0 +1,27 @@
+RPCHost = "https://localhost:8080"
+InvoiceMacaroonPath = "/home/sato/.lnd/data/chain/bitcoin/mainnet/admin.macaroon"
+TLSCertPath = "/home/sato/.lnd/tls.cert"
+Private = false
+LightningAddresses = ["[email protected]"]
+MinSendable = 1000
+MaxSendable = 1000000000
+CommentAllowed = 150
+Tag = "payRequest"
+Metadata = [["text/plain", "Welcome to satswellspent.com"], ["text/identifier", "[email protected]"]]
+Thumbnail = "/home/sato/.go-host-lnaddr/thumb.jpeg"
+SuccessMessage = "Thank you!"
+InvoiceCallback = "https://satswellspent.com/invoice/"
+AddressServerPort = 9990
+
+[Nostr]
+  [Nostr.names]
+    nostr.name = ""
+  [Nostr.relays]
+    "" = ["wss://nostr-pub.wellorder.net", "wss://relay.damus.io", "wss://nostr-verified.wellorder.net", "wss://relay.minds.com/nostr/v1/ws"]
+
+[[Notificators]]
+Type = "telegram"
+MinAmount = 1
+[Notificators.Params]
+ChatId = ""
+Token = ""