From 027233cfd29e5114c30a1516b60be1ff6e60a6be Mon Sep 17 00:00:00 2001
From: MoCipher <info@mocipher.com>
Date: Fri, 20 Feb 2026 08:38:54 +0100
Subject: [PATCH] fix(htlc): correct test RNG usage and import

---
 core/src/btc_htlc.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/src/btc_htlc.rs b/core/src/btc_htlc.rs
index 0c62af2..2e6a7f0 100644
--- a/core/src/btc_htlc.rs
+++ b/core/src/btc_htlc.rs
@@ -57,6 +57,7 @@ mod tests {
     use bitcoin::secp256k1::PublicKey as SecpPub;
     use secp256k1::SecretKey;
     use rand::rngs::OsRng;
+    use rand::RngCore;
 
     #[test]
     fn build_htlc_script_and_address() {
@@ -67,7 +68,7 @@ mod tests {
         let pk1 = SecpPub::from_secret_key(&secp, &sk1);
         let pk2 = SecpPub::from_secret_key(&secp, &sk2);
         let mut hash = [0u8;32];
-        OsRng.fill_bytes(&mut hash);
+        rng.fill_bytes(&mut hash);
         let script = build_htlc_redeem_script(&hash, &PublicKey{ key: pk1, compressed: true }, &PublicKey{ key: pk2, compressed: true }, 500);
         assert!(script.len() > 0);
     }