X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-invoice%2Fsrc%2Futils.rs;h=1d6b9210afd967f58c79e7453f53a3eda856a9ee;hb=ae4c35c3e05d918607104dce74e4a54060712023;hp=5e8b72467e5da655cd9f77876ac692b948498833;hpb=cd5f09b8e34e838041a9dcdc512ddcf37a976634;p=rust-lightning

diff --git a/lightning-invoice/src/utils.rs b/lightning-invoice/src/utils.rs
index 5e8b7246..1d6b9210 100644
--- a/lightning-invoice/src/utils.rs
+++ b/lightning-invoice/src/utils.rs
@@ -16,8 +16,10 @@ use lightning::routing::gossip::RoutingFees;
 use lightning::routing::router::{RouteHint, RouteHintHop, Router};
 use lightning::util::logger::{Logger, Record};
 use secp256k1::PublicKey;
+use alloc::collections::{btree_map, BTreeMap};
 use core::ops::Deref;
 use core::time::Duration;
+#[cfg(not(feature = "std"))]
 use core::iter::Iterator;
 
 /// Utility to create an invoice that can be paid to one of multiple nodes, or a "phantom invoice."
@@ -603,7 +605,7 @@ fn sort_and_filter_channels<L: Deref>(
 where
 	L::Target: Logger,
 {
-	let mut filtered_channels: HashMap<PublicKey, ChannelDetails> = HashMap::new();
+	let mut filtered_channels: BTreeMap<PublicKey, ChannelDetails> = BTreeMap::new();
 	let min_inbound_capacity = min_inbound_capacity_msat.unwrap_or(0);
 	let mut min_capacity_channel_exists = false;
 	let mut online_channel_exists = false;
@@ -664,7 +666,7 @@ where
 		}
 
 		match filtered_channels.entry(channel.counterparty.node_id) {
-			hash_map::Entry::Occupied(mut entry) => {
+			btree_map::Entry::Occupied(mut entry) => {
 				let current_max_capacity = entry.get().inbound_capacity_msat;
 				// If this channel is public and the previous channel is not, ensure we replace the
 				// previous channel to avoid announcing non-public channels.
@@ -697,7 +699,7 @@ where
 						channel.inbound_capacity_msat);
 				}
 			}
-			hash_map::Entry::Vacant(entry) => {
+			btree_map::Entry::Vacant(entry) => {
 				entry.insert(channel);
 			}
 		}