f Add get_spendable_amount_sats helper

Author: tnull

src/event.rs

@@ -835,8 +835,7 @@ where
 						);
 						let spendable_amount_sats = self
 							.wallet
-							.get_balances(cur_anchor_reserve_sats)
-							.map(|(_, s)| s)
+							.get_spendable_amount_sats(cur_anchor_reserve_sats)
 							.unwrap_or(0);
 
 						let required_amount_sats = if anchor_channels_config

src/lib.rs

@@ -1030,7 +1030,7 @@ impl Node {
 		let cur_anchor_reserve_sats =
 			total_anchor_channels_reserve_sats(&self.channel_manager, &self.config);
 		let spendable_amount_sats =
-			self.wallet.get_balances(cur_anchor_reserve_sats).map(|(_, s)| s).unwrap_or(0);
+			self.wallet.get_spendable_amount_sats(cur_anchor_reserve_sats).unwrap_or(0);
 
 		// Fail early if we have less than the channel value available.
 		if spendable_amount_sats < channel_amount_sats {

src/payment/onchain.rs

@@ -54,7 +54,7 @@ impl OnchainPayment {
 		let cur_anchor_reserve_sats =
 			crate::total_anchor_channels_reserve_sats(&self.channel_manager, &self.config);
 		let spendable_amount_sats =
-			self.wallet.get_balances(cur_anchor_reserve_sats).map(|(_, s)| s).unwrap_or(0);
+			self.wallet.get_spendable_amount_sats(cur_anchor_reserve_sats).unwrap_or(0);
 
 		if spendable_amount_sats < amount_sats {
 			log_error!(self.logger,

src/wallet.rs

@@ -179,6 +179,12 @@ where
 		Ok((total, spendable))
 	}
 
+	pub(crate) fn get_spendable_amount_sats(
+		&self, total_anchor_channels_reserve_sats: u64,
+	) -> Result<u64, Error> {
+		self.get_balances(total_anchor_channels_reserve_sats).map(|(_, s)| s)
+	}
+
 	/// Send funds to the given address.
 	///
 	/// If `amount_msat_or_drain` is `None` the wallet will be drained, i.e., all available funds will be