Now clear randomness buffers before attempting new parameter generation.

Cargo.toml

@@ -131,15 +131,15 @@ konst = { version = "0.3.8", default-features = false }
 lazy_static = "1.4.0"
 # TODO: upstreamed in https://github.com/ledger-community/rust-ledger/pull/9
 ledger-lib = { git = "https://github.com/heliaxdev/rust-ledger", rev = "f96f4559b3237d09218f7583df01acf36034ea79", default-features = false, features = ["transport_tcp"] }
-ledger-namada-rs = { git = "https://github.com/heliaxdev/ledger-namada", rev = "96e71198665fcc35929d1be1f1f8347bf12ad166" }
+ledger-namada-rs = { git = "https://github.com/heliaxdev/ledger-namada", rev = "f54b76adcc1430db0496e894ad72cd74cfb6eb88" }
 ledger-transport = "0.10.0"
 ledger-transport-hid = "0.10.0"
 libc = "0.2.97"
 libloading = "0.7.2"
 linkme = "0.3.24"
 # branch = "tomas/arbitrary"
-masp_primitives = { git = "https://github.com/anoma/masp", rev = "f2b0cae3e495e4f7d482e587432ec4e5f2793528" }
-masp_proofs = { git = "https://github.com/anoma/masp", rev = "f2b0cae3e495e4f7d482e587432ec4e5f2793528", default-features = false, features = ["local-prover"] }
+masp_primitives = { git = "https://github.com/anoma/masp", rev = "a35f73be69b21ee62cd4940f37855161cbed2a56" }
+masp_proofs = { git = "https://github.com/anoma/masp", rev = "a35f73be69b21ee62cd4940f37855161cbed2a56", default-features = false, features = ["local-prover"] }
 num256 = "0.3.5"
 num_cpus = "1.13.0"
 num-derive = "0.4"

crates/apps_lib/src/client/tx.rs

@@ -834,6 +834,12 @@ pub async fn submit_shielded_transfer(
     let mut bparams: Box<dyn BuildParams> = if args.tx.use_device {
         let transport = WalletTransport::from_arg(args.tx.device_transport);
         let app = NamadaApp::new(transport);
+        // Clear hardware wallet randomness buffers
+        app.clean_randomness_buffers().await.map_err(|err| {
+            error::Error::Other(format!(
+                "Unable to clear randomness buffer. Error: {}", err,
+            ))
+        })?;
         let wallet = namada.wallet().await;
         // Augment the pseudo spending key with a proof authorization key
         for data in &mut args.data {

crates/sdk/src/signing.rs

@@ -233,7 +233,9 @@ where
 
         for public_key in &signing_data.public_keys {
             if !used_pubkeys.contains(public_key) {
-                let secret_key = find_key_by_pk(&mut wallet, args, public_key)?;
+                let Ok(secret_key) = find_key_by_pk(&mut wallet, args, public_key) else {
+                    continue;
+                };
                 used_pubkeys.insert(public_key.clone());
                 signing_tx_keypairs.push(secret_key);
             }