Fix lints

.github/workflows/rust.yml

@@ -38,7 +38,7 @@ jobs:
 
           docker run -d --rm \
             --name bitcoind \
-            -p 18443:18443 lncm/bitcoind:v26.0 \
+            -p 18443:18443 lncm/bitcoind:v27.0 \
             -chain=regtest \
             -rpcuser=hello -rpcpassword=world \
             -rpcbind=0.0.0.0 -rpcallowip=0.0.0.0/0 \

src/capped_hashmap.rs

@@ -64,9 +64,7 @@ where
 
     /// Removes a key from the map, returning the value at the key if the key was previously in the map.
     pub fn remove(&mut self, k: &K) -> Option<V> {
-        let Some(v) = self.inner.remove(k) else {
-            return None;
-        };
+        let v = self.inner.remove(k)?;
 
         self.last_items
             .iter()

src/lib.rs

@@ -17,7 +17,7 @@ pub mod utils;
 pub mod alice_sign_tx;
 
 /// 2. Bob sends a request to the zkBitcoin committee to unlock funds from a smart contract.
-/// The MPC committee can verify that request.
+///    The MPC committee can verify that request.
 pub mod bob_request;
 
 /// 3. The zkBitcoin committee produce a collaborative schnorr signature to unlock the funds for Bob.