fix: use correct Borsh version for signArbitrary (#602)

* fix: use correct Borsh version

* fix: version bump

apps/extension/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@namada/extension",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "Namada Browser Extension",
   "repository": "https://github.com/anoma/namada-interface/",
   "author": "Heliax Dev <[email protected]>",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "namada",
-  "version": "0.2.0",
+  "version": "0.2.2",
   "private": true,
   "workspaces": [
     "apps/*",

packages/shared/lib/src/sdk/mod.rs

@@ -6,8 +6,9 @@ use crate::{
     sdk::masp::WebShieldedUtils,
     utils::{set_panic_hook, to_bytes},
 };
-use borsh::BorshDeserialize;
 use js_sys::Uint8Array;
+use namada::core::borsh::BorshDeserialize;
+use namada::core::borsh::BorshSerializeExt;
 use namada::ledger::{eth_bridge::bridge_pool::build_bridge_pool_tx, pos::common::SecretKey};
 use namada::sdk::masp::ShieldedContext;
 use namada::sdk::rpc::query_epoch;
@@ -391,10 +392,12 @@ impl Sdk {
         data: String,
     ) -> Result<JsValue, JsError> {
         let hash = Hash::sha256(&data);
+        // TODO: SecretKey & SigScheme should be imported from key::common, but that is currently
+        // referring to the wrong import (e.g., pos::common)
         let secret = ed25519::SecretKey::from_str(&signing_key)?;
         let signature: ed25519::Signature = ed25519::SigScheme::sign(&secret, &hash);
 
-        let sig_bytes: &[u8] = &signature.0.to_bytes();
+        let sig_bytes = signature.serialize_to_vec();
 
         to_js_result((
             // Hash