Copilot commented on code in PR #192:
URL:
https://github.com/apache/incubator-teaclave-trustzone-sdk/pull/192#discussion_r2103725324
##########
projects/web3/eth_wallet/ta/src/main.rs:
##########
@@ -18,37 +18,53 @@
#![no_main]
mod hash;
-mod secure_storage;
mod wallet;
-use crate::secure_storage::{
- delete_from_secure_storage, load_from_secure_storage,
save_in_secure_storage,
-};
use optee_utee::{
ta_close_session, ta_create, ta_destroy, ta_invoke_command,
ta_open_session, trace_println,
};
use optee_utee::{Error, ErrorKind, Parameters};
use proto::Command;
+use secure_db::SecureStorageClient;
use anyhow::{anyhow, bail, Result};
-use std::convert::TryInto;
use std::io::Write;
use wallet::Wallet;
+const DB_NAME: &str = "eth_wallet_db";
+
+// Define session context structure
+pub struct WalletSession {
+ db_client: SecureStorageClient,
+}
+
+impl Default for WalletSession {
+ fn default() -> Self {
+ Self {
+ db_client: SecureStorageClient::open(DB_NAME)
+ .expect("Failed to create SecureStorageClient"),
+ }
Review Comment:
Using `expect` here will panic if the database fails to open in a TA
environment. Consider propagating the error or handling failure gracefully
instead of unconditionally calling `expect`.
```suggestion
impl WalletSession {
pub fn new() -> Result<Self> {
let db_client = SecureStorageClient::open(DB_NAME)
.map_err(|e| anyhow!("Failed to create SecureStorageClient:
{:?}", e))?;
Ok(Self { db_client })
}
}
impl Default for WalletSession {
fn default() -> Self {
Self::new().unwrap_or_else(|e| {
trace_println!("Error initializing WalletSession: {:?}", e);
panic!("Failed to initialize WalletSession");
})
```
##########
projects/web3/eth_wallet/ta/src/main.rs:
##########
@@ -18,37 +18,53 @@
#![no_main]
mod hash;
-mod secure_storage;
mod wallet;
-use crate::secure_storage::{
- delete_from_secure_storage, load_from_secure_storage,
save_in_secure_storage,
-};
use optee_utee::{
ta_close_session, ta_create, ta_destroy, ta_invoke_command,
ta_open_session, trace_println,
};
use optee_utee::{Error, ErrorKind, Parameters};
use proto::Command;
+use secure_db::SecureStorageClient;
use anyhow::{anyhow, bail, Result};
-use std::convert::TryInto;
use std::io::Write;
use wallet::Wallet;
+const DB_NAME: &str = "eth_wallet_db";
+
+// Define session context structure
Review Comment:
The `WalletSession` struct is a public API for session context; adding a
brief doc comment would clarify its purpose and usage.
```suggestion
/// Represents the session context for the Ethereum wallet Trusted
Application (TA).
///
/// The `WalletSession` struct manages session-specific data and provides
access
/// to the secure storage client (`SecureStorageClient`) for database
operations.
```
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