Fix unused import warnings in c_bindings

Author: tnull

lightning/src/ln/channelmanager.rs

@@ -47,9 +47,7 @@ use crate::ln::channel::{Channel, ChannelPhase, ChannelContext, ChannelError, Ch
 use crate::ln::features::{Bolt12InvoiceFeatures, ChannelFeatures, ChannelTypeFeatures, InitFeatures, NodeFeatures};
 #[cfg(any(feature = "_test_utils", test))]
 use crate::ln::features::Bolt11InvoiceFeatures;
-use crate::routing::gossip::NetworkGraph;
-use crate::routing::router::{BlindedTail, DefaultRouter, InFlightHtlcs, Path, Payee, PaymentParameters, Route, RouteParameters, Router};
-use crate::routing::scoring::{ProbabilisticScorer, ProbabilisticScoringFeeParameters};
+use crate::routing::router::{BlindedTail, InFlightHtlcs, Path, Payee, PaymentParameters, Route, RouteParameters, Router};
 use crate::ln::onion_payment::{check_incoming_htlc_cltv, create_recv_pending_htlc_info, create_fwd_pending_htlc_info, decode_incoming_update_add_htlc_onion, InboundOnionErr, NextPacketDetails};
 use crate::ln::msgs;
 use crate::ln::onion_utils;
@@ -66,7 +64,7 @@ use crate::offers::offer::{DerivedMetadata, Offer, OfferBuilder};
 use crate::offers::parse::Bolt12SemanticError;
 use crate::offers::refund::{Refund, RefundBuilder};
 use crate::onion_message::{Destination, MessageRouter, OffersMessage, OffersMessageHandler, PendingOnionMessage, new_pending_onion_message};
-use crate::sign::{EntropySource, KeysManager, NodeSigner, Recipient, SignerProvider};
+use crate::sign::{EntropySource, NodeSigner, Recipient, SignerProvider};
 use crate::sign::ecdsa::WriteableEcdsaChannelSigner;
 use crate::util::config::{UserConfig, ChannelConfig, ChannelConfigUpdate};
 use crate::util::wakers::{Future, Notifier};
@@ -75,6 +73,13 @@ use crate::util::string::UntrustedString;
 use crate::util::ser::{BigSize, FixedLengthReader, Readable, ReadableArgs, MaybeReadable, Writeable, Writer, VecWriter};
 use crate::util::logger::{Level, Logger, WithContext};
 use crate::util::errors::APIError;
+#[cfg(not(c_bindings))]
+use {
+	crate::routing::router::DefaultRouter,
+	crate::routing::gossip::NetworkGraph,
+	crate::routing::scoring::{ProbabilisticScorer, ProbabilisticScoringFeeParameters},
+	crate::sign::KeysManager,
+};
 
 use alloc::collections::{btree_map, BTreeMap};
 

lightning/src/ln/peer_handler.rs

@@ -18,7 +18,7 @@
 use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::secp256k1::{self, Secp256k1, SecretKey, PublicKey};
 
-use crate::sign::{KeysManager, NodeSigner, Recipient};
+use crate::sign::{NodeSigner, Recipient};
 use crate::events::{EventHandler, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
 use crate::ln::ChannelId;
 use crate::ln::features::{InitFeatures, NodeFeatures};
@@ -33,20 +33,27 @@ use crate::ln::wire::{Encode, Type};
 #[cfg(not(c_bindings))]
 use crate::onion_message::{SimpleArcOnionMessenger, SimpleRefOnionMessenger};
 use crate::onion_message::{CustomOnionMessageHandler, OffersMessage, OffersMessageHandler, OnionMessageContents, PendingOnionMessage};
-use crate::routing::gossip::{NetworkGraph, P2PGossipSync, NodeId, NodeAlias};
+use crate::routing::gossip::{NodeId, NodeAlias};
 use crate::util::atomic_counter::AtomicCounter;
 use crate::util::logger::{Logger, WithContext};
 use crate::util::string::PrintableString;
 
 use crate::prelude::*;
 use crate::io;
 use alloc::collections::VecDeque;
-use crate::sync::{Arc, Mutex, MutexGuard, FairRwLock};
+use crate::sync::{Mutex, MutexGuard, FairRwLock};
 use core::sync::atomic::{AtomicBool, AtomicU32, AtomicI32, Ordering};
 use core::{cmp, hash, fmt, mem};
 use core::ops::Deref;
 use core::convert::Infallible;
-#[cfg(feature = "std")] use std::error;
+#[cfg(feature = "std")]
+use std::error;
+#[cfg(not(c_bindings))]
+use {
+	crate::routing::gossip::{NetworkGraph, P2PGossipSync},
+	crate::sign::KeysManager,
+	crate::sync::Arc,
+};
 
 use bitcoin::hashes::sha256::Hash as Sha256;
 use bitcoin::hashes::sha256::HashEngine as Sha256Engine;

lightning/src/onion_message/messenger.rs

@@ -19,13 +19,12 @@ use crate::blinded_path::BlindedPath;
 use crate::blinded_path::message::{advance_path_by_one, ForwardTlvs, ReceiveTlvs};
 use crate::blinded_path::utils;
 use crate::events::{Event, EventHandler, EventsProvider};
-use crate::sign::{EntropySource, KeysManager, NodeSigner, Recipient};
+use crate::sign::{EntropySource, NodeSigner, Recipient};
 #[cfg(not(c_bindings))]
 use crate::ln::channelmanager::{SimpleArcChannelManager, SimpleRefChannelManager};
 use crate::ln::features::{InitFeatures, NodeFeatures};
 use crate::ln::msgs::{self, OnionMessage, OnionMessageHandler, SocketAddress};
 use crate::ln::onion_utils;
-use crate::ln::peer_handler::IgnoringMessageHandler;
 use crate::routing::gossip::{NetworkGraph, NodeId};
 pub use super::packet::OnionMessageContents;
 use super::packet::ParsedOnionMessageContents;
@@ -37,9 +36,16 @@ use crate::util::ser::Writeable;
 use core::fmt;
 use core::ops::Deref;
 use crate::io;
-use crate::sync::{Arc, Mutex};
+use crate::sync::Mutex;
 use crate::prelude::*;
 
+#[cfg(not(c_bindings))]
+use {
+	crate::sign::KeysManager,
+	crate::ln::peer_handler::IgnoringMessageHandler,
+	crate::sync::Arc,
+};
+
 pub(super) const MAX_TIMER_TICKS: usize = 2;
 
 /// A sender, receiver and forwarder of [`OnionMessage`]s.

lightning/src/onion_message/offers.rs

@@ -18,9 +18,10 @@ use crate::offers::invoice_request::InvoiceRequest;
 use crate::offers::invoice::Bolt12Invoice;
 use crate::offers::parse::Bolt12ParseError;
 use crate::onion_message::OnionMessageContents;
-use crate::onion_message::messenger::PendingOnionMessage;
 use crate::util::logger::Logger;
 use crate::util::ser::{Readable, ReadableArgs, Writeable, Writer};
+#[cfg(not(c_bindings))]
+use crate::onion_message::messenger::PendingOnionMessage;
 
 use crate::prelude::*;
 

lightning/src/routing/scoring.rs

@@ -64,12 +64,16 @@ use crate::util::logger::Logger;
 
 use crate::prelude::*;
 use core::{cmp, fmt};
-use core::cell::{RefCell, RefMut, Ref};
 use core::convert::TryInto;
 use core::ops::{Deref, DerefMut};
 use core::time::Duration;
 use crate::io::{self, Read};
-use crate::sync::{Mutex, MutexGuard, RwLock, RwLockReadGuard, RwLockWriteGuard};
+use crate::sync::{RwLock, RwLockReadGuard, RwLockWriteGuard};
+#[cfg(not(c_bindings))]
+use {
+	core::cell::{RefCell, RefMut, Ref},
+	crate::sync::{Mutex, MutexGuard},
+};
 
 /// We define Score ever-so-slightly differently based on whether we are being built for C bindings
 /// or not. For users, `LockableScore` must somehow be writeable to disk. For Rust users, this is