Port f0fd46d795b795ab9cec474d52db32725b499277 from FuelLabs/fuel-core#1426

Author: cr-fuel

Cargo.lock

@@ -24,5 +24,6 @@ rand = "0.8"
 serde = "1.0"
 serde_json = "1"
 sha3 = "0.10.8"
+termion = "2.0.1"
 tokio = { version = "1.8", features = ["macros", "rt-multi-thread", "process"] }
 tracing = "0.1"

forc-plugins/forc-crypto/Cargo.toml

@@ -1,4 +1,5 @@
 use clap::ValueEnum;
+use std::io::{Read, Write};
 
 pub mod new_key;
 pub mod parse_secret;
@@ -12,3 +13,21 @@ pub enum KeyType {
     BlockProduction,
     Peering,
 }
+
+fn wait_for_keypress() {
+    let mut single_key = [0u8];
+    std::io::stdin().read_exact(&mut single_key).unwrap();
+}
+
+pub(crate) fn display_string_discreetly(
+    discreet_string: &str,
+    continue_message: &str,
+) -> anyhow::Result<()> {
+    use termion::screen::IntoAlternateScreen;
+    let mut screen = std::io::stdout().into_alternate_screen()?;
+    writeln!(screen, "{discreet_string}")?;
+    screen.flush()?;
+    println!("{continue_message}");
+    wait_for_keypress();
+    Ok(())
+}

forc-plugins/forc-crypto/src/keygen/mod.rs

@@ -1,6 +1,6 @@
 //! This file will be hosted here until
 //! https://github.com/FuelLabs/sway/issues/5170 is fixed
-use super::{KeyType, BLOCK_PRODUCTION, P2P};
+use super::{display_string_discreetly, KeyType, BLOCK_PRODUCTION, P2P};
 use anyhow::Result;
 use fuel_core_types::{
     fuel_crypto::{
@@ -57,9 +57,14 @@ pub fn handler(arg: Arg) -> Result<String> {
             })
         }
     };
-    Ok(if arg.pretty {
-        serde_json::to_string_pretty(&output)
-    } else {
-        serde_json::to_string(&output)
-    }?)
+    display_string_discreetly(
+        &(if arg.pretty {
+            serde_json::to_string_pretty(&output)
+        } else {
+            serde_json::to_string(&output)
+        })?,
+        "### Do not share or lose this private key! Press any key to complete. ###",
+    )?;
+
+    Ok("".to_owned())
 }

forc-plugins/forc-crypto/src/keygen/new_key.rs

@@ -1,6 +1,6 @@
 //! This file will be hosted here until
 //! https://github.com/FuelLabs/sway/issues/5170 is fixed
-use super::{KeyType, BLOCK_PRODUCTION, P2P};
+use super::{display_string_discreetly, KeyType, BLOCK_PRODUCTION, P2P};
 use anyhow::Result;
 use fuel_core_types::{fuel_crypto::SecretKey, fuel_tx::Input};
 use libp2p_identity::{secp256k1, Keypair, PeerId};
@@ -52,9 +52,14 @@ pub fn handler(arg: Arg) -> Result<String> {
             output
         }
     };
-    Ok(if arg.pretty {
-        serde_json::to_string_pretty(&output)
-    } else {
-        serde_json::to_string(&output)
-    }?)
+    display_string_discreetly(
+        &(if arg.pretty {
+            serde_json::to_string_pretty(&output)
+        } else {
+            serde_json::to_string(&output)
+        })?,
+        "### Do not share or lose this private key! Press any key to complete. ###",
+    )?;
+
+    Ok("".to_owned())
 }