CLI: Use qrcode-rs instead of qr2term (#88)

cli/Cargo.toml

@@ -12,7 +12,7 @@ clap = { version = "4.5.1", features = ["derive"] }
 env_logger = "0.11"
 log = "0.4.20"
 ls-sdk = { path = "../lib/ls-sdk-core" }
-qr2term = "0.3.1"
+qrcode-rs = { version = "0.1", default-features = false }
 rustyline = { version = "13.0.0", features = ["derive"] }
 serde = { version = "1.0.197", features = ["derive"] }
 serde_json = "1.0.115"

cli/src/commands.rs

@@ -6,6 +6,8 @@ use std::time::Duration;
 use anyhow::Result;
 use clap::{arg, Parser};
 use ls_sdk::{ReceivePaymentRequest, Wallet};
+use qrcode_rs::render::unicode;
+use qrcode_rs::{EcLevel, QrCode};
 use rustyline::highlight::Highlighter;
 use rustyline::history::DefaultHistory;
 use rustyline::Editor;
@@ -80,8 +82,13 @@ pub(crate) fn handle_command(
                 invoice_amount_sat,
                 onchain_amount_sat,
             })?;
-            qr2term::print_qr(response.invoice.clone())?;
-            command_result!(response)
+
+            let invoice = response.invoice.clone();
+            let mut result = command_result!(response);
+            result.push('\n');
+            result.push_str(&build_qr_text(&invoice));
+
+            result
         }
         Command::SendPayment { bolt11, delay } => {
             let prepare_response = wallet.prepare_payment(&bolt11)?;
@@ -112,3 +119,12 @@ pub(crate) fn handle_command(
         }
     })
 }
+
+fn build_qr_text(text: &str) -> String {
+    QrCode::with_error_correction_level(text, EcLevel::L)
+        .unwrap()
+        .render::<unicode::Dense1x2>()
+        .dark_color(unicode::Dense1x2::Light)
+        .light_color(unicode::Dense1x2::Dark)
+        .build()
+}