Format Zcash PCZT code

diff --git a/rust/apps/zcash/src/pczt/check.rs b/rust/apps/zcash/src/pczt/check.rs
index 85dec60..b478338 100644
--- a/rust/apps/zcash/src/pczt/check.rs
+++ b/rust/apps/zcash/src/pczt/check.rs
@@ -298,14 +298,7 @@ fn check_shielded_bundle<P: consensus::Parameters>(
 ) -> Result<(), ZcashError> {
     let pool_label = pool.label();
     bundle.actions().iter().try_for_each(|action| {
-        check_action(
-            params,
-            seed_fingerprint,
-            account_index,
-            ufvk,
-            action,
-            pool,
-        )?;
+        check_action(params, seed_fingerprint, account_index, ufvk, action, pool)?;
         Ok::<_, ZcashError>(())
     })?;
 
@@ -341,9 +334,7 @@ fn check_action<P: consensus::Parameters>(
     // Check `cv_net` first so we know that the `value` fields for both the spend and the
     // output are present and correct.
     action.verify_cv_net().map_err(|e| {
-        ZcashError::InvalidPczt(format!(
-            "invalid cv_net in {pool_label} action: {e:?}"
-        ))
+        ZcashError::InvalidPczt(format!("invalid cv_net in {pool_label} action: {e:?}"))
     })?;
 
     let fvk = ufvk.orchard().ok_or(ZcashError::InvalidDataError(
@@ -396,9 +387,7 @@ fn check_action_spend<P: consensus::Parameters>(
 
     if let Some(expected_fvk) = can_verify_nf_rk {
         spend.verify_nullifier(expected_fvk).map_err(|e| {
-            ZcashError::InvalidPczt(format!(
-                "invalid {pool_label} action nullifier: {e:?}"
-            ))
+            ZcashError::InvalidPczt(format!("invalid {pool_label} action nullifier: {e:?}"))
         })?;
         spend.verify_rk(expected_fvk).map_err(|e| {
             ZcashError::InvalidPczt(format!("invalid {pool_label} action rk: {e:?}"))
@@ -429,9 +418,7 @@ fn check_action_output<P: consensus::Parameters>(
     action
         .output()
         .verify_note_commitment(action.spend())
-        .map_err(|e| {
-            ZcashError::InvalidPczt(format!("invalid {pool_label} action cmx: {e:?}"))
-        })?;
+        .map_err(|e| ZcashError::InvalidPczt(format!("invalid {pool_label} action cmx: {e:?}")))?;
 
     let fvk = ufvk.orchard().ok_or(ZcashError::InvalidDataError(
         "orchard fvk is not present".to_string(),
diff --git a/rust/apps/zcash/src/pczt/parse.rs b/rust/apps/zcash/src/pczt/parse.rs
index aa9b5bb..248afb6 100644
--- a/rust/apps/zcash/src/pczt/parse.rs
+++ b/rust/apps/zcash/src/pczt/parse.rs
@@ -216,8 +216,14 @@ pub fn parse_pczt_cypherpunk<P: consensus::Parameters>(
 
     let verifier = Verifier::new(pczt.clone())
         .with_orchard(|bundle| {
-            parsed_orchard = parse_orchard(params, seed_fingerprint, ufvk, bundle, ShieldedPool::Orchard)
-                .map_err(pczt::roles::verifier::OrchardError::Custom)?;
+            parsed_orchard = parse_orchard(
+                params,
+                seed_fingerprint,
+                ufvk,
+                bundle,
+                ShieldedPool::Orchard,
+            )
+            .map_err(pczt::roles::verifier::OrchardError::Custom)?;
             Ok(())
         })
         .map_err(map_orchard_verifier_error)?;
@@ -225,8 +231,14 @@ pub fn parse_pczt_cypherpunk<P: consensus::Parameters>(
     let verifier = if should_process_ironwood {
         verifier
             .with_ironwood(|bundle| {
-                parsed_ironwood = parse_orchard(params, seed_fingerprint, ufvk, bundle, ShieldedPool::Ironwood)
-                    .map_err(pczt::roles::verifier::OrchardError::Custom)?;
+                parsed_ironwood = parse_orchard(
+                    params,
+                    seed_fingerprint,
+                    ufvk,
+                    bundle,
+                    ShieldedPool::Ironwood,
+                )
+                .map_err(pczt::roles::verifier::OrchardError::Custom)?;
                 Ok(())
             })
             .map_err(map_orchard_verifier_error)?
diff --git a/rust/apps/zcash/src/pczt/sign.rs b/rust/apps/zcash/src/pczt/sign.rs
index f832752..e5a2783 100644
--- a/rust/apps/zcash/src/pczt/sign.rs
+++ b/rust/apps/zcash/src/pczt/sign.rs
@@ -118,7 +118,12 @@ struct SeedSigner<'a> {
     /// key depend only on (seed, account), not on the action, so a bundle with many
     /// actions for one account derives once. Interior mutability because the
     /// `PcztSigner` trait signs through `&self`.
-    ask_cache: RefCell<Vec<(zcash_vendor::zip32::AccountId, orchard::keys::SpendAuthorizingKey)>>,
+    ask_cache: RefCell<
+        Vec<(
+            zcash_vendor::zip32::AccountId,
+            orchard::keys::SpendAuthorizingKey,
+        )>,
+    >,
     /// Number of authorizations produced, so `sign_pczt` can distinguish "nothing of
     /// ours to sign" (`PcztNoMyInputs`) from a successful signing.
     signed: Cell<usize>,
@@ -742,7 +747,6 @@ mod tests {
             .expect("wallet-set min key must survive round trip");
         assert_eq!(request_min.as_slice(), &[1u8, 2][..]);
     }
-
 }
 
 #[cfg(all(test, feature = "multi_coins", not(feature = "cypherpunk")))]