feat: support nip46

crates/common/Cargo.toml

@@ -10,5 +10,7 @@ nostr-sdk.workspace = true
 anyhow.workspace = true
 itertools.workspace = true
 chrono.workspace = true
+dirs.workspace = true
 
 random_name_generator = "0.3.6"
+qrcode-generator = "5.0.0"

crates/common/src/lib.rs

@@ -1,3 +1,4 @@
 pub mod constants;
 pub mod profile;
+pub mod qr;
 pub mod utils;

crates/common/src/qr.rs

@@ -0,0 +1,13 @@
+use std::path::PathBuf;
+
+use dirs::config_dir;
+use qrcode_generator::QrCodeEcc;
+
+pub fn create_qr(data: &str) -> Result<PathBuf, anyhow::Error> {
+    let config_dir = config_dir().expect("Config directory not found");
+    let path = config_dir.join("Coop/nostr_connect.png");
+
+    qrcode_generator::to_png_to_file(data, QrCodeEcc::Low, 1024, &path)?;
+
+    Ok(path)
+}