Add owner_api_listen_interface as hidden configuration field (#714)

config/src/types.rs

@@ -28,6 +28,9 @@ pub struct WalletConfig {
 	pub chain_type: Option<ChainTypes>,
 	/// The port this wallet will run on
 	pub api_listen_port: u16,
+	/// Listen interface for the owner API, should be hidden from config by default
+	#[serde(skip_serializing)]
+	pub owner_api_listen_interface: Option<String>,
 	/// The port this wallet's owner API will run on
 	pub owner_api_listen_port: Option<u16>,
 	/// Location of the secret for basic auth on the Owner API
@@ -61,6 +64,7 @@ impl Default for WalletConfig {
 		WalletConfig {
 			chain_type: Some(ChainTypes::Mainnet),
 			api_listen_port: 3415,
+			owner_api_listen_interface: Some(WalletConfig::default_owner_api_listen_interface()),
 			owner_api_listen_port: Some(WalletConfig::default_owner_api_listen_port()),
 			api_secret_path: Some(".owner_api_secret".to_string()),
 			node_api_secret_path: Some(".foreign_api_secret".to_string()),
@@ -82,6 +86,11 @@ impl WalletConfig {
 		format!("127.0.0.1:{}", self.api_listen_port)
 	}
 
+	/// Default listener port
+	pub fn default_owner_api_listen_interface() -> String {
+		"127.0.0.1".to_string()
+	}
+
 	/// Default listener port
 	pub fn default_owner_api_listen_port() -> u16 {
 		3420
@@ -92,6 +101,13 @@ impl WalletConfig {
 		500_000
 	}
 
+	/// Use value from config file, defaulting to sensible value if missing.
+	pub fn owner_api_listen_interface(&self) -> String {
+		self.owner_api_listen_interface
+			.clone()
+			.unwrap_or_else(|| WalletConfig::default_owner_api_listen_interface())
+	}
+
 	/// Use value from config file, defaulting to sensible value if missing.
 	pub fn owner_api_listen_port(&self) -> u16 {
 		self.owner_api_listen_port
@@ -100,7 +116,11 @@ impl WalletConfig {
 
 	/// Owner API listen address
 	pub fn owner_api_listen_addr(&self) -> String {
-		format!("127.0.0.1:{}", self.owner_api_listen_port())
+		format!(
+			"{}:{}",
+			self.owner_api_listen_interface(),
+			self.owner_api_listen_port()
+		)
 	}
 
 	/// Accept fee base