unify hex builders

2 files changed, 2 insertions, 2 deletions

diff --git a/src/swarm/auth.rs b/src/swarm/auth.rs
index 088f615..50e2fae 100644
--- a/src/swarm/auth.rs
+++ b/src/swarm/auth.rs
@@ -172,7 +172,7 @@ mod tests {
     use super::*;
 
     fn hex(bytes: &[u8]) -> String {
-        bytes.iter().map(|byte| format!("{byte:02x}")).collect()
+        crate::transport::Hex(bytes).to_string()
     }
 
     #[test]
diff --git a/src/swarm/topology/tests.rs b/src/swarm/topology/tests.rs
index d1b755f..d3a3e38 100644
--- a/src/swarm/topology/tests.rs
+++ b/src/swarm/topology/tests.rs
@@ -49,7 +49,7 @@ fn edges(graph: &BTreeMap<String, BTreeSet<String>>) -> BTreeSet<(String, String
 }
 
 fn hex(bytes: [u8; 32]) -> String {
-    bytes.iter().map(|byte| format!("{byte:02x}")).collect()
+    crate::transport::Hex(&bytes).to_string()
 }
 
 /// Over random swarms (size, `k`, who is reachable, who is stable): links only