chore: manual debug impl

bolt-sidecar/src/crypto/bls.rs

@@ -33,12 +33,21 @@ pub trait SignerBLS: Send + Debug {
 }
 
 /// A BLS signer that can sign any type that implements the [`SignableBLS`] trait.
-#[derive(Debug, Clone)]
+#[derive(Clone)]
 pub struct Signer {
     chain: ChainConfig,
     key: BlsSecretKey,
 }
 
+impl Debug for Signer {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("Signer")
+            .field("pubkey", &self.pubkey())
+            .field("chain", &self.chain.name())
+            .finish()
+    }
+}
+
 impl Signer {
     /// Create a new signer with the given BLS secret key.
     pub fn new(key: BlsSecretKey, chain: ChainConfig) -> Self {