Use alloc for no_std builds

[rust-lightning] / lightning / src / ln / onion_utils.rs

diff --git a/lightning/src/ln/onion_utils.rs b/lightning/src/ln/onion_utils.rs
index 07686a214e23c90c3e1166bca19580da55309777..f80fd676c75d14397ac2e4c693f64cc3b2fffa50 100644 (file)
--- a/lightning/src/ln/onion_utils.rs
+++ b/lightning/src/ln/onion_utils.rs
@@ -27,6 +27,7 @@ use bitcoin::secp256k1::Secp256k1;
 use bitcoin::secp256k1::ecdh::SharedSecret;
 use bitcoin::secp256k1;
 
+use prelude::*;
 use std::io::Cursor;
 use core::ops::Deref;
 
@@ -478,6 +479,7 @@ pub(super) fn process_onion_failure<T: secp256k1::Signing, L: Deref>(secp_ctx: &
 
 #[cfg(test)]
 mod tests {
+       use prelude::*;
        use ln::PaymentHash;
        use ln::features::{ChannelFeatures, NodeFeatures};
        use routing::router::{Route, RouteHop};