feat(lez/wallet): add change-network command

lez/wallet/src/cli/mod.rs

@@ -19,6 +19,7 @@ use crate::{
         config::ConfigSubcommand,
         group::GroupSubcommand,
         keycard::KeycardSubcommand,
+        network::handle_change_network,
         programs::{
             amm::AmmProgramAgnosticSubcommand, ata::AtaSubcommand, bridge::BridgeSubcommand,
             native_token_transfer::AuthTransferSubcommand, pinata::PinataProgramAgnosticSubcommand,
@@ -33,6 +34,7 @@ pub mod chain;
 pub mod config;
 pub mod group;
 pub mod keycard;
+pub mod network;
 pub mod programs;
 
 pub(crate) trait WalletSubcommand {
@@ -80,6 +82,8 @@ pub enum Command {
     /// Command to setup config, get and set config fields.
     #[command(subcommand)]
     Config(ConfigSubcommand),
+    /// Change the network the wallet points to (testnet, local, or a custom URL).
+    ChangeNetwork,
     /// Restoring keys from given password at given `depth`.
     ///
     /// !!!WARNING!!! will rewrite current storage.
@@ -271,6 +275,11 @@ pub async fn execute_subcommand(
         Command::Config(config_subcommand) => {
             config_subcommand.handle_subcommand(wallet_core).await?
         }
+        Command::ChangeNetwork => {
+            handle_change_network(wallet_core).await?;
+
+            SubcommandReturnValue::Empty
+        }
         Command::RestoreKeys { depth } => {
             let mnemonic = read_mnemonic_from_stdin()?;
             let password = read_password_from_stdin()?;

lez/wallet/src/cli/network.rs

@@ -0,0 +1,52 @@
+use std::io::Write as _;
+
+use anyhow::{Context as _, Result};
+use url::Url;
+
+use crate::WalletCore;
+
+const TESTNET_SEQUENCER_ADDR: &str = "https://testnet.lez.logos.co";
+const LOCAL_SEQUENCER_ADDR: &str = "http://127.0.0.1:3040";
+
+/// Prompt the user to pick a network and update the wallet's `sequencer_addr` accordingly.
+pub async fn handle_change_network(wallet_core: &mut WalletCore) -> Result<()> {
+    println!("Select network:");
+    println!("1) testnet");
+    println!("2) local");
+    println!("3) custom");
+
+    let sequencer_addr = match prompt("Enter choice [1-3]: ")?.as_str() {
+        "1" => TESTNET_SEQUENCER_ADDR
+            .parse()
+            .expect("testnet sequencer addr must be a valid URL"),
+        "2" => LOCAL_SEQUENCER_ADDR
+            .parse()
+            .expect("local sequencer addr must be a valid URL"),
+        "3" => prompt("Enter sequencer URL: ")?
+            .parse::<Url>()
+            .context("Invalid sequencer URL")?,
+        other => anyhow::bail!("Invalid choice: {other}"),
+    };
+
+    let mut config = wallet_core.config().clone();
+    config.sequencer_addr = sequencer_addr;
+    wallet_core.set_config(config);
+    wallet_core.store_config_changes().await?;
+
+    println!(
+        "Sequencer address set to {}",
+        wallet_core.config().sequencer_addr
+    );
+
+    Ok(())
+}
+
+fn prompt(message: &str) -> Result<String> {
+    print!("{message}");
+    std::io::stdout().flush()?;
+
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input)?;
+
+    Ok(input.trim().to_owned())
+}

lez/wallet/src/config.rs

@@ -47,7 +47,7 @@ pub struct WalletConfig {
 impl Default for WalletConfig {
     fn default() -> Self {
         Self {
-            sequencer_addr: "http://127.0.0.1:3040".parse().unwrap(),
+            sequencer_addr: "https://testnet.lez.logos.co".parse().unwrap(),
             seq_poll_timeout: Duration::from_secs(12),
             seq_tx_poll_max_blocks: 5,
             seq_poll_max_retries: 5,