lnd+lncfg: move normalizeNetwork to lncfg

config.go

@@ -1048,7 +1048,7 @@ func ValidateConfig(cfg Config, usageMessage string) (*Config, error) {
 	cfg.networkDir = filepath.Join(
 		cfg.DataDir, defaultChainSubDirname,
 		cfg.registeredChains.PrimaryChain().String(),
-		normalizeNetwork(cfg.ActiveNetParams.Name),
+		lncfg.NormalizeNetwork(cfg.ActiveNetParams.Name),
 	)
 
 	// If a custom macaroon directory wasn't specified and the data
@@ -1082,7 +1082,7 @@ func ValidateConfig(cfg Config, usageMessage string) (*Config, error) {
 	// per network in the same fashion as the data directory.
 	cfg.LogDir = filepath.Join(cfg.LogDir,
 		cfg.registeredChains.PrimaryChain().String(),
-		normalizeNetwork(cfg.ActiveNetParams.Name))
+		lncfg.NormalizeNetwork(cfg.ActiveNetParams.Name))
 
 	// A log writer must be passed in, otherwise we can't function and would
 	// run into a panic later on.
@@ -1280,11 +1280,11 @@ func ValidateConfig(cfg Config, usageMessage string) (*Config, error) {
 func (c *Config) localDatabaseDir() string {
 	return filepath.Join(c.DataDir,
 		defaultGraphSubDirname,
-		normalizeNetwork(c.ActiveNetParams.Name))
+		lncfg.NormalizeNetwork(c.ActiveNetParams.Name))
 }
 
 func (c *Config) networkName() string {
-	return normalizeNetwork(c.ActiveNetParams.Name)
+	return lncfg.NormalizeNetwork(c.ActiveNetParams.Name)
 }
 
 // CleanAndExpandPath expands environment variables and leading ~ in the
@@ -1619,13 +1619,3 @@ func checkEstimateMode(estimateMode string) error {
 	return fmt.Errorf("estimatemode must be one of the following: %v",
 		bitcoindEstimateModes[:])
 }
-
-// normalizeNetwork returns the common name of a network type used to create
-// file paths. This allows differently versioned networks to use the same path.
-func normalizeNetwork(network string) string {
-	if strings.HasPrefix(network, "testnet") {
-		return "testnet"
-	}
-
-	return network
-}

lncfg/config.go

@@ -87,3 +87,13 @@ func CleanAndExpandPath(path string) string {
 	// but the variables can still be expanded via POSIX-style $VARIABLE.
 	return filepath.Clean(os.ExpandEnv(path))
 }
+
+// NormalizeNetwork returns the common name of a network type used to create
+// file paths. This allows differently versioned networks to use the same path.
+func NormalizeNetwork(network string) string {
+	if strings.HasPrefix(network, "testnet") {
+		return "testnet"
+	}
+
+	return network
+}

lnd.go

@@ -547,7 +547,7 @@ func Main(cfg *Config, lisCfg ListenerCfg, shutdownChan <-chan struct{}) error {
 		towerDBDir := filepath.Join(
 			cfg.Watchtower.TowerDir,
 			cfg.registeredChains.PrimaryChain().String(),
-			normalizeNetwork(cfg.ActiveNetParams.Name),
+			lncfg.NormalizeNetwork(cfg.ActiveNetParams.Name),
 		)
 
 		towerDB, err := wtdb.OpenTowerDB(towerDBDir)
@@ -1344,8 +1344,7 @@ func initNeutrinoBackend(cfg *Config, chainDir string) (*neutrino.ChainService,
 	// database if needed. We append the normalized network name here to
 	// match the behavior of btcwallet.
 	dbPath := filepath.Join(
-		chainDir,
-		normalizeNetwork(cfg.ActiveNetParams.Name),
+		chainDir, lncfg.NormalizeNetwork(cfg.ActiveNetParams.Name),
 	)
 
 	// Ensure that the neutrino db path exists.

rpcserver.go

@@ -2533,7 +2533,7 @@ func (r *rpcServer) GetInfo(ctx context.Context,
 			"with current best block in the main chain: %v", err)
 	}
 
-	network := normalizeNetwork(r.cfg.ActiveNetParams.Name)
+	network := lncfg.NormalizeNetwork(r.cfg.ActiveNetParams.Name)
 	activeChains := make([]*lnrpc.Chain, r.cfg.registeredChains.NumActiveChains())
 	for i, chain := range r.cfg.registeredChains.ActiveChains() {
 		activeChains[i] = &lnrpc.Chain{