Encode taddrs in compat mode with bech32

Author: sug0

crates/core/src/address.rs

@@ -278,6 +278,20 @@ impl Address {
         string_encoding::Format::encode(self)
     }
 
+    /// Encode an address in compatibility mode (i.e. with the legacy Bech32
+    /// encoding)
+    pub fn encode_compat(&self) -> String {
+        use crate::string_encoding::Format;
+
+        bech32::encode::<bech32::Bech32>(Self::HRP, self.to_bytes().as_ref())
+            .unwrap_or_else(|_| {
+                panic!(
+                    "The human-readable part {} should never cause a failure",
+                    Self::HRP
+                )
+            })
+    }
+
     /// Decode an address from Bech32m encoding
     pub fn decode(string: impl AsRef<str>) -> Result<Self> {
         string_encoding::Format::decode(string)