Implement Bech32WithHrp trait for [u8]

Author: lowhung

common/src/hash.rs

@@ -315,7 +315,7 @@ macro_rules! declare_hash_type_with_bech32 {
                 use crate::serialization::Bech32WithHrp;
                 use anyhow::Context;
 
-                self.to_vec().to_bech32_with_hrp($hrp).with_context(|| {
+                self.as_ref().to_bech32_with_hrp($hrp).with_context(|| {
                     format!(
                         "Failed to encode {} to bech32 with HRP '{}'",
                         stringify!($name),

common/src/serialization.rs

@@ -115,3 +115,23 @@ impl Bech32WithHrp for Vec<u8> {
         Ok(data.to_vec())
     }
 }
+
+impl Bech32WithHrp for [u8] {
+    fn to_bech32_with_hrp(&self, hrp: &str) -> Result<String, anyhow::Error> {
+        let hrp = Hrp::parse(hrp).map_err(|e| anyhow!("Bech32 HRP parse error: {e}"))?;
+
+        bech32::encode::<Bech32>(hrp, self).map_err(|e| anyhow!("Bech32 encoding error: {e}"))
+    }
+
+    fn from_bech32_with_hrp(s: &str, expected_hrp: &str) -> Result<Vec<u8>, anyhow::Error> {
+        let (hrp, data) = bech32::decode(s).map_err(|e| anyhow!("Invalid Bech32 string: {e}"))?;
+
+        if hrp != Hrp::parse(expected_hrp)? {
+            return Err(anyhow!(
+                "Invalid HRP, expected '{expected_hrp}', got '{hrp}'"
+            ));
+        }
+
+        Ok(data.to_vec())
+    }
+}