Correct `rapid-gossip-sync` `no-std` build and test

[rust-lightning] / lightning-rapid-gossip-sync / src / processing.rs

diff --git a/lightning-rapid-gossip-sync/src/processing.rs b/lightning-rapid-gossip-sync/src/processing.rs
index 18f9916316a5ffe9c7e0bf4dde7231bfea626789..3a60b7c986c85354ee5789f8dadeaf3f3e6d519f 100644 (file)
--- a/lightning-rapid-gossip-sync/src/processing.rs
+++ b/lightning-rapid-gossip-sync/src/processing.rs
@@ -16,6 +16,9 @@ use lightning::io;
 use crate::error::GraphSyncError;
 use crate::RapidGossipSync;
 
+#[cfg(not(feature = "std"))]
+use alloc::{vec::Vec, borrow::ToOwned};
+
 /// The purpose of this prefix is to identify the serialization format, should other rapid gossip
 /// sync formats arise in the future.
 ///
@@ -47,7 +50,7 @@ impl<NG: Deref<Target=NetworkGraph<L>>, L: Deref> RapidGossipSync<NG, L> where L
                let backdated_timestamp = latest_seen_timestamp.saturating_sub(24 * 3600 * 7);
 
                let node_id_count: u32 = Readable::read(read_cursor)?;
-               let mut node_ids: Vec<PublicKey> = Vec::with_capacity(std::cmp::min(
+               let mut node_ids: Vec<PublicKey> = Vec::with_capacity(core::cmp::min(
                        node_id_count,
                        MAX_INITIAL_NODE_ID_VECTOR_CAPACITY,
                ) as usize);
@@ -132,7 +135,7 @@ impl<NG: Deref<Target=NetworkGraph<L>>, L: Deref> RapidGossipSync<NG, L> where L
                                        htlc_maximum_msat: default_htlc_maximum_msat,
                                        fee_base_msat: default_fee_base_msat,
                                        fee_proportional_millionths: default_fee_proportional_millionths,
-                                       excess_data: vec![],
+                                       excess_data: Vec::new(),
                                }
                        } else {
                                // incremental update, field flags will indicate mutated values
@@ -162,7 +165,7 @@ impl<NG: Deref<Target=NetworkGraph<L>>, L: Deref> RapidGossipSync<NG, L> where L
                                        htlc_maximum_msat: directional_info.htlc_maximum_msat,
                                        fee_base_msat: directional_info.fees.base_msat,
                                        fee_proportional_millionths: directional_info.fees.proportional_millionths,
-                                       excess_data: vec![],
+                                       excess_data: Vec::new(),
                                }
                        };