feat: simple poc

crates/common/src/lib.rs

@@ -1,5 +1,7 @@
 pub use constants::*;
 pub use paths::*;
+pub use utils::*;
 
 mod constants;
 mod paths;
+mod utils;

crates/common/src/utils.rs

@@ -0,0 +1,11 @@
+use nostr_sdk::prelude::*;
+
+pub fn shorten_pubkey(public_key: PublicKey, len: usize) -> String {
+    let Ok(pubkey) = public_key.to_bech32();
+
+    format!(
+        "{}:{}",
+        &pubkey[0..(len + 1)],
+        &pubkey[pubkey.len() - len..]
+    )
+}