multi: move global networkDir to cfg

config.go

@@ -251,6 +251,11 @@ type Config struct {
 	// registeredChains keeps track of all chains that have been registered
 	// with the daemon.
 	registeredChains *chainRegistry
+
+	// networkDir is the path to the directory of the currently active
+	// network. This path will hold the files related to each different
+	// network.
+	networkDir string
 }
 
 // DefaultConfig returns all default values for the Config struct.
@@ -881,7 +886,7 @@ func ValidateConfig(cfg Config, usageMessage string) (*Config, error) {
 
 	// We'll now construct the network directory which will be where we
 	// store all the data specific to this chain/network.
-	networkDir = filepath.Join(
+	cfg.networkDir = filepath.Join(
 		cfg.DataDir, defaultChainSubDirname,
 		cfg.registeredChains.PrimaryChain().String(),
 		normalizeNetwork(activeNetParams.Name),
@@ -892,17 +897,17 @@ func ValidateConfig(cfg Config, usageMessage string) (*Config, error) {
 	// the path for the macaroons to be generated.
 	if cfg.AdminMacPath == "" {
 		cfg.AdminMacPath = filepath.Join(
-			networkDir, defaultAdminMacFilename,
+			cfg.networkDir, defaultAdminMacFilename,
 		)
 	}
 	if cfg.ReadMacPath == "" {
 		cfg.ReadMacPath = filepath.Join(
-			networkDir, defaultReadMacFilename,
+			cfg.networkDir, defaultReadMacFilename,
 		)
 	}
 	if cfg.InvoiceMacPath == "" {
 		cfg.InvoiceMacPath = filepath.Join(
-			networkDir, defaultInvoiceMacFilename,
+			cfg.networkDir, defaultInvoiceMacFilename,
 		)
 	}
 
@@ -910,7 +915,7 @@ func ValidateConfig(cfg Config, usageMessage string) (*Config, error) {
 	// we'll update the file location to match our set network directory.
 	if cfg.BackupFilePath == "" {
 		cfg.BackupFilePath = filepath.Join(
-			networkDir, chanbackup.DefaultBackupFileName,
+			cfg.networkDir, chanbackup.DefaultBackupFileName,
 		)
 	}
 

lnd.go

@@ -53,11 +53,6 @@ import (
 
 var (
 	cfg *Config
-
-	// networkDir is the path to the directory of the currently active
-	// network. This path will hold the files related to each different
-	// network.
-	networkDir string
 )
 
 // WalletUnlockerAuthOptions returns a list of DialOptions that can be used to
@@ -428,7 +423,7 @@ func Main(config *Config, lisCfg ListenerCfg, shutdownChan <-chan struct{}) erro
 	if !cfg.NoMacaroons {
 		// Create the macaroon authentication/authorization service.
 		macaroonService, err = macaroons.NewService(
-			networkDir, macaroons.IPLockChecker,
+			cfg.networkDir, macaroons.IPLockChecker,
 		)
 		if err != nil {
 			err := fmt.Errorf("unable to set up macaroon "+
@@ -1000,7 +995,7 @@ func waitForWalletPassword(restEndpoints []net.Addr,
 	// deleted within it and recreated when successfully changing the
 	// wallet's password.
 	macaroonFiles := []string{
-		filepath.Join(networkDir, macaroons.DBFilename),
+		filepath.Join(cfg.networkDir, macaroons.DBFilename),
 		cfg.AdminMacPath, cfg.ReadMacPath, cfg.InvoiceMacPath,
 	}
 	pwService := walletunlocker.New(

rpcserver.go

@@ -585,7 +585,7 @@ func newRPCServer(s *server, macService *macaroons.Service,
 	// the dependencies they need are properly populated within each sub
 	// server configuration struct.
 	err = subServerCgs.PopulateDependencies(
-		s.cc, networkDir, macService, atpl, invoiceRegistry,
+		s.cc, cfg.networkDir, macService, atpl, invoiceRegistry,
 		s.htlcSwitch, activeNetParams.Params, s.chanRouter,
 		routerBackend, s.nodeSigner, s.chanDB, s.sweeper, tower,
 		s.towerClient, cfg.net.ResolveTCPAddr, genInvoiceFeatures,