Avoid slices without inner references

As we cannot express slices without inner references in bindings
wrappers.

Author: TheBlueMatt

lightning/src/blinded_path/mod.rs

@@ -92,7 +92,7 @@ impl BlindedPath {
 		// be in relation to a specific channel.
 		let htlc_maximum_msat = u64::max_value();
 		Self::new_for_payment(
-			&[], payee_node_id, payee_tlvs, htlc_maximum_msat, entropy_source, secp_ctx
+			Vec::new(), payee_node_id, payee_tlvs, htlc_maximum_msat, entropy_source, secp_ctx
 		)
 	}
 
@@ -106,19 +106,19 @@ impl BlindedPath {
 	/// [`ForwardTlvs`]: crate::blinded_path::payment::ForwardTlvs
 	//  TODO: make all payloads the same size with padding + add dummy hops
 	pub fn new_for_payment<ES: EntropySource + ?Sized, T: secp256k1::Signing + secp256k1::Verification>(
-		intermediate_nodes: &[payment::ForwardNode], payee_node_id: PublicKey,
+		intermediate_nodes: Vec<payment::ForwardNode>, payee_node_id: PublicKey,
 		payee_tlvs: payment::ReceiveTlvs, htlc_maximum_msat: u64, entropy_source: &ES,
 		secp_ctx: &Secp256k1<T>
 	) -> Result<(BlindedPayInfo, Self), ()> {
 		let blinding_secret_bytes = entropy_source.get_secure_random_bytes();
 		let blinding_secret = SecretKey::from_slice(&blinding_secret_bytes[..]).expect("RNG is busted");
 
-		let blinded_payinfo = payment::compute_payinfo(intermediate_nodes, &payee_tlvs, htlc_maximum_msat)?;
+		let blinded_payinfo = payment::compute_payinfo(&intermediate_nodes, &payee_tlvs, htlc_maximum_msat)?;
 		Ok((blinded_payinfo, BlindedPath {
 			introduction_node_id: intermediate_nodes.first().map_or(payee_node_id, |n| n.node_id),
 			blinding_point: PublicKey::from_secret_key(secp_ctx, &blinding_secret),
 			blinded_hops: payment::blinded_hops(
-				secp_ctx, intermediate_nodes, payee_node_id, payee_tlvs, &blinding_secret
+				secp_ctx, &intermediate_nodes, payee_node_id, payee_tlvs, &blinding_secret
 			).map_err(|_| ())?,
 		}))
 	}

lightning/src/ln/channelmanager.rs

@@ -4013,7 +4013,7 @@ where
 	/// [`ChannelUnavailable`]: APIError::ChannelUnavailable
 	/// [`APIMisuseError`]: APIError::APIMisuseError
 	pub fn update_partial_channel_config(
-		&self, counterparty_node_id: &PublicKey, channel_ids: &[ChannelId], config_update: &ChannelConfigUpdate,
+		&self, counterparty_node_id: &PublicKey, channel_ids: Vec<ChannelId>, config_update: &ChannelConfigUpdate,
 	) -> Result<(), APIError> {
 		if config_update.cltv_expiry_delta.map(|delta| delta < MIN_CLTV_EXPIRY_DELTA).unwrap_or(false) {
 			return Err(APIError::APIMisuseError {
@@ -4027,14 +4027,14 @@ where
 			.ok_or_else(|| APIError::ChannelUnavailable { err: format!("Can't find a peer matching the passed counterparty node_id {}", counterparty_node_id) })?;
 		let mut peer_state_lock = peer_state_mutex.lock().unwrap();
 		let peer_state = &mut *peer_state_lock;
-		for channel_id in channel_ids {
+		for channel_id in channel_ids.iter() {
 			if !peer_state.has_channel(channel_id) {
 				return Err(APIError::ChannelUnavailable {
 					err: format!("Channel with id {} not found for the passed counterparty node_id {}", channel_id, counterparty_node_id),
 				});
 			};
 		}
-		for channel_id in channel_ids {
+		for channel_id in channel_ids.iter() {
 			if let Some(channel_phase) = peer_state.channel_by_id.get_mut(channel_id) {
 				let mut config = channel_phase.context().config();
 				config.apply(config_update);
@@ -4088,7 +4088,7 @@ where
 	/// [`ChannelUnavailable`]: APIError::ChannelUnavailable
 	/// [`APIMisuseError`]: APIError::APIMisuseError
 	pub fn update_channel_config(
-		&self, counterparty_node_id: &PublicKey, channel_ids: &[ChannelId], config: &ChannelConfig,
+		&self, counterparty_node_id: &PublicKey, channel_ids: Vec<ChannelId>, config: &ChannelConfig,
 	) -> Result<(), APIError> {
 		return self.update_partial_channel_config(counterparty_node_id, channel_ids, &(*config).into());
 	}

lightning/src/routing/gossip.rs

@@ -80,7 +80,7 @@ impl NodeId {
 	}
 
 	/// Get the public key as an array from this NodeId
-	pub fn as_array(&self) -> &[u8; PUBLIC_KEY_SIZE] {
+	pub fn as_array(&self) -> &[u8; 33] {
 		&self.0
 	}
 

lightning/src/routing/router.rs

@@ -132,7 +132,7 @@ impl<G: Deref<Target = NetworkGraph<L>>, L: Deref, ES: Deref, S: Deref> Router f
 			})
 			.map(|forward_node| {
 				BlindedPath::new_for_payment(
-					&[forward_node], recipient, tlvs.clone(), u64::MAX, &*self.entropy_source, secp_ctx
+					vec![forward_node], recipient, tlvs.clone(), u64::MAX, &*self.entropy_source, secp_ctx
 				)
 			})
 			.take(MAX_PAYMENT_PATHS)