fixup! make persistent BOLT12 invoice through PendingOutboundPayment

Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>

Author: vincenzopalazzo

lightning/src/ln/outbound_payment.rs

@@ -822,7 +822,7 @@ impl OutboundPayments {
 		IH: Fn() -> InFlightHtlcs,
 		SP: Fn(SendAlongPathArgs) -> Result<(), APIError>,
 	{
-		self.send_payment_internal(payment_id, payment_hash, recipient_onion, None, retry_strategy,
+		self.send_payment_for_non_bolt12_invoice(payment_id, payment_hash, recipient_onion, None, retry_strategy,
 			route_params, router, first_hops, &compute_inflight_htlcs, entropy_source, node_signer,
 			best_block_height, logger, pending_events, &send_payment_along_path)
 	}
@@ -845,7 +845,7 @@ impl OutboundPayments {
 		let preimage = payment_preimage
 			.unwrap_or_else(|| PaymentPreimage(entropy_source.get_secure_random_bytes()));
 		let payment_hash = PaymentHash(Sha256::hash(&preimage.0).to_byte_array());
-		self.send_payment_internal(payment_id, payment_hash, recipient_onion, Some(preimage),
+		self.send_payment_for_non_bolt12_invoice(payment_id, payment_hash, recipient_onion, Some(preimage),
 			retry_strategy, route_params, router, first_hops, inflight_htlcs, entropy_source,
 			node_signer, best_block_height, logger, pending_events, send_payment_along_path)
 			.map(|()| payment_hash)
@@ -1264,7 +1264,7 @@ impl OutboundPayments {
 	///
 	/// [`Event::PaymentPathFailed`]: crate::events::Event::PaymentPathFailed
 	/// [`Event::PaymentFailed`]: crate::events::Event::PaymentFailed
-	fn send_payment_internal<R: Deref, NS: Deref, ES: Deref, IH, SP, L: Deref>(
+	fn send_payment_for_non_bolt12_invoice<R: Deref, NS: Deref, ES: Deref, IH, SP, L: Deref>(
 		&self, payment_id: PaymentId, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields,
 		keysend_preimage: Option<PaymentPreimage>, retry_strategy: Retry, mut route_params: RouteParameters,
 		router: &R, first_hops: Vec<ChannelDetails>, inflight_htlcs: IH, entropy_source: &ES,