f 2 * len

lightningdevkit · Sep 14, 2022 · 8c15092 · 8c15092
1 parent f9435a6
commit 8c15092
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/hex_utils.rs b/src/hex_utils.rs
@@ -24,7 +24,7 @@ pub fn to_vec(hex: &str) -> Option<Vec<u8>> {
 
 #[inline]
 pub fn to_string(value: &[u8]) -> String {
-	let mut res = String::with_capacity(value.len());
+	let mut res = String::with_capacity(2 * value.len());
 	for v in value {
 		write!(&mut res, "{:02x}", v).expect("Unable to write");
 	}