Add simplified methods to get total/spendable balance

Author: tnull

bindings/ldk_node.udl

@@ -32,6 +32,10 @@ interface Node {
 	[Throws=NodeError]
 	Txid send_all_to_onchain_address([ByRef]Address address);
 	[Throws=NodeError]
+	u64 spendable_onchain_balance_sats();
+	[Throws=NodeError]
+	u64 total_onchain_balance_sats();
+	[Throws=NodeError]
 	void connect(PublicKey node_id, SocketAddr address, boolean permanently);
 	[Throws=NodeError]
 	void disconnect([ByRef]PublicKey node_id);

src/lib.rs

@@ -891,6 +891,16 @@ impl Node {
 		self.wallet.send_to_address(address, None)
 	}
 
+	/// Retrieve the currently spendable on-chain balance in satoshis.
+	pub fn spendable_onchain_balance_sats(&self) -> Result<u64, Error> {
+		Ok(self.wallet.get_balance().map(|bal| bal.get_spendable())?)
+	}
+
+	/// Retrieve the current total on-chain balance in satoshis.
+	pub fn total_onchain_balance_sats(&self) -> Result<u64, Error> {
+		Ok(self.wallet.get_balance().map(|bal| bal.get_total())?)
+	}
+
 	/// Retrieve a list of known channels.
 	pub fn list_channels(&self) -> Vec<ChannelDetails> {
 		self.channel_manager.list_channels()