feat: add master-fingerprint to descriptor

bitcoindevkit · Nov 13, 2024 · f2b1219 · f2b1219
1 parent 1e714cb
commit f2b1219
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diff --git a/bdk-ffi/src/bdk.udl b/bdk-ffi/src/bdk.udl
@@ -550,7 +550,11 @@ interface DescriptorPublicKey {
 
   string as_string();
 
+/// Whether or not this key has multiple derivation paths.
   boolean is_multipath();
+
+/// The fingerprint of the master key associated with this key, `0x00000000` if none.
+  string master_fingerprint();
 };
 
 [Traits=(Display)]

diff --git a/bdk-ffi/src/keys.rs b/bdk-ffi/src/keys.rs
@@ -227,6 +227,10 @@ impl DescriptorPublicKey {
     pub(crate) fn is_multipath(&self) -> bool {
         self.0.is_multipath()
     }
+
+    pub(crate) fn master_fingerprint(&self) -> String {
+        self.0.master_fingerprint().to_string()
+    }
 }
 
 #[cfg(test)]