feat: support safely input private key

Cargo.lock

@@ -1442,6 +1442,7 @@ dependencies = [
  "rand_chacha",
  "rand_core",
  "reqwest",
+ "rpassword",
  "rusty-hook",
  "self_update 0.39.0",
  "serde",
@@ -2194,6 +2195,27 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "rpassword"
+version = "7.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80472be3c897911d0137b2d2b9055faf6eeac5b14e324073d83bc17b191d7e3f"
+dependencies = [
+ "libc",
+ "rtoolbox",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "rtoolbox"
+version = "0.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c247d24e63230cdb56463ae328478bd5eac8b8faa8c69461a77e8e323afac90e"
+dependencies = [
+ "libc",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"

Cargo.toml

@@ -157,6 +157,9 @@ features = [ "fmt" ]
 [dependencies.zip]
 version = "^0.6"
 
+[dependencies.rpassword]
+version = "7.3.1"
+
 [target."cfg(windows)".dependencies.ansi_term]
 version = "0.12.1"
 

errors/src/errors/cli/cli_errors.rs

@@ -178,4 +178,11 @@ create_messages!(
         msg: format!("Failed to write file.\nIO Error: {error}"),
         help: None,
     }
+
+    @backtraced
+    failed_to_execute_account {
+        args: (error: impl Display),
+        msg: format!("Failed to execute the `account` command.\nSnarkVM Error: {error}"),
+        help: None,
+    }
 );

leo/cli/commands/account.rs

@@ -16,7 +16,7 @@
 
 use super::*;
 use leo_package::root::Env;
-use snarkvm::prelude::{Address, PrivateKey, ViewKey};
+use snarkvm::prelude::{Address, FromStr, PrivateKey, ViewKey};
 
 use rand::SeedableRng;
 use rand_chacha::ChaChaRng;
@@ -35,8 +35,6 @@ pub enum Account {
     },
     /// Derive an Aleo account from a private key.
     Import {
-        /// Private key plaintext
-        private_key: PrivateKey<CurrentNetwork>,
         /// Write the private key to the .env file.
         #[clap(short = 'w', long)]
         write: bool,
@@ -77,7 +75,9 @@ impl Command for Account {
                     write_to_env_file(private_key, &ctx)?;
                 }
             }
-            Account::Import { private_key, write } => {
+            Account::Import { write } => {
+                let private_key_input = rpassword::prompt_password("Please enter your private key: ").unwrap();
+                let private_key = FromStr::from_str(&private_key_input).map_err(CliError::failed_to_execute_account)?;
                 // Derive the view key and address and print to stdout.
                 print_keys(private_key)?;