From be574f5c273a8bf6147f2a221d58aa7085ad359f Mon Sep 17 00:00:00 2001
From: Elias Rohrer <dev@tnull.de>
Date: Sat, 16 Dec 2023 13:55:48 +0100
Subject: [PATCH] Fix unused imports in `lightning-invoice` no-std tests

---
 lightning-invoice/src/lib.rs     |  4 ++--
 lightning-invoice/src/payment.rs | 12 +++++++-----
 lightning-invoice/src/utils.rs   | 10 +++++++---
 3 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/lightning-invoice/src/lib.rs b/lightning-invoice/src/lib.rs
index 59622a84..6f21af72 100644
--- a/lightning-invoice/src/lib.rs
+++ b/lightning-invoice/src/lib.rs
@@ -2045,7 +2045,7 @@ mod test {
 		use lightning::routing::router::RouteHintHop;
 		use secp256k1::Secp256k1;
 		use secp256k1::{SecretKey, PublicKey};
-		use std::time::{UNIX_EPOCH, Duration};
+		use std::time::Duration;
 
 		let secp_ctx = Secp256k1::new();
 
@@ -2134,7 +2134,7 @@ mod test {
 		assert_eq!(invoice.currency(), Currency::BitcoinTestnet);
 		#[cfg(feature = "std")]
 		assert_eq!(
-			invoice.timestamp().duration_since(UNIX_EPOCH).unwrap().as_secs(),
+			invoice.timestamp().duration_since(SystemTime::UNIX_EPOCH).unwrap().as_secs(),
 			1234567
 		);
 		assert_eq!(invoice.payee_pub_key(), Some(&public_key));
diff --git a/lightning-invoice/src/payment.rs b/lightning-invoice/src/payment.rs
index b8f564ef..8196fa9e 100644
--- a/lightning-invoice/src/payment.rs
+++ b/lightning-invoice/src/payment.rs
@@ -85,14 +85,12 @@ mod tests {
 	use super::*;
 	use crate::{InvoiceBuilder, Currency};
 	use bitcoin::hashes::sha256::Hash as Sha256;
-	use lightning::events::Event;
-	use lightning::ln::channelmanager::{Retry, PaymentId};
-	use lightning::ln::msgs::ChannelMessageHandler;
 	use lightning::ln::PaymentSecret;
-	use lightning::ln::functional_test_utils::*;
 	use lightning::routing::router::Payee;
 	use secp256k1::{SecretKey, PublicKey, Secp256k1};
-	use std::time::{SystemTime, Duration};
+	use core::time::Duration;
+	#[cfg(feature = "std")]
+	use std::time::SystemTime;
 
 	fn duration_since_epoch() -> Duration {
 		#[cfg(feature = "std")]
@@ -171,6 +169,10 @@ mod tests {
 	#[test]
 	#[cfg(feature = "std")]
 	fn payment_metadata_end_to_end() {
+		use lightning::events::Event;
+		use lightning::ln::channelmanager::{Retry, PaymentId};
+		use lightning::ln::msgs::ChannelMessageHandler;
+		use lightning::ln::functional_test_utils::*;
 		// Test that a payment metadata read from an invoice passed to `pay_invoice` makes it all
 		// the way out through the `PaymentClaimable` event.
 		let chanmon_cfgs = create_chanmon_cfgs(2);
diff --git a/lightning-invoice/src/utils.rs b/lightning-invoice/src/utils.rs
index 3a337a9a..5e8b7246 100644
--- a/lightning-invoice/src/utils.rs
+++ b/lightning-invoice/src/utils.rs
@@ -816,14 +816,15 @@ impl<'a, 'b, L: Deref> WithChannelDetails<'a, 'b, L> where L::Target: Logger {
 
 #[cfg(test)]
 mod test {
-	use core::cell::RefCell;
 	use core::time::Duration;
 	use crate::{Currency, Description, Bolt11InvoiceDescription, SignOrCreationError, CreationError};
 	use bitcoin::hashes::{Hash, sha256};
 	use bitcoin::hashes::sha256::Hash as Sha256;
 	use lightning::sign::PhantomKeysManager;
-	use lightning::events::{MessageSendEvent, MessageSendEventsProvider, Event, EventsProvider};
-	use lightning::ln::{PaymentPreimage, PaymentHash};
+	use lightning::events::{MessageSendEvent, MessageSendEventsProvider};
+	use lightning::ln::PaymentHash;
+	#[cfg(feature = "std")]
+	use lightning::ln::PaymentPreimage;
 	use lightning::ln::channelmanager::{PhantomRouteHints, MIN_FINAL_CLTV_EXPIRY_DELTA, PaymentId, RecipientOnionFields, Retry};
 	use lightning::ln::functional_test_utils::*;
 	use lightning::ln::msgs::ChannelMessageHandler;
@@ -1294,6 +1295,9 @@ mod test {
 
 	#[cfg(feature = "std")]
 	fn do_test_multi_node_receive(user_generated_pmt_hash: bool) {
+		use lightning::events::{Event, EventsProvider};
+		use core::cell::RefCell;
+
 		let mut chanmon_cfgs = create_chanmon_cfgs(3);
 		let seed_1 = [42u8; 32];
 		let seed_2 = [43u8; 32];
-- 
2.30.2