From 94d31ff7ed054d51ef79e80ec27b49ce86a1bec9 Mon Sep 17 00:00:00 2001
From: Matthew <ramsden@hey.com>
Date: Wed, 12 Jun 2024 20:03:51 -0500
Subject: [PATCH] feat: add display trait to mnemonic

---
 bdk-ffi/src/bdk.udl | 3 +--
 bdk-ffi/src/keys.rs | 7 +++++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/bdk-ffi/src/bdk.udl b/bdk-ffi/src/bdk.udl
index d01858e8..f172a9a0 100644
--- a/bdk-ffi/src/bdk.udl
+++ b/bdk-ffi/src/bdk.udl
@@ -454,6 +454,7 @@ interface BumpFeeTxBuilder {
 // bdk crate - descriptor module
 // ------------------------------------------------------------------------
 
+[Traits=(Display)]
 interface Mnemonic {
   constructor(WordCount word_count);
 
@@ -462,8 +463,6 @@ interface Mnemonic {
 
   [Name=from_entropy, Throws=Bip39Error]
   constructor(sequence<u8> entropy);
-
-  string as_string();
 };
 
 interface DerivationPath {
diff --git a/bdk-ffi/src/keys.rs b/bdk-ffi/src/keys.rs
index f1ee27f8..1e33996b 100644
--- a/bdk-ffi/src/keys.rs
+++ b/bdk-ffi/src/keys.rs
@@ -1,4 +1,5 @@
 use crate::error::{Bip32Error, Bip39Error, DescriptorKeyError};
+use std::fmt::Display;
 
 use bdk_wallet::bitcoin::bip32::DerivationPath as BdkDerivationPath;
 use bdk_wallet::bitcoin::key::Secp256k1;
@@ -44,9 +45,11 @@ impl Mnemonic {
             .map(Mnemonic)
             .map_err(Bip39Error::from)
     }
+}
 
-    pub(crate) fn as_string(&self) -> String {
-        self.0.to_string()
+impl Display for Mnemonic {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.0)
     }
 }