lint: clippy + fmt + use expect over unwrap

crates/common/src/lib.rs

@@ -424,7 +424,7 @@ impl ChainId {
     pub fn as_str(&self) -> &str {
         std::str::from_utf8(self.0.as_be_bytes())
             .expect("valid utf8")
-            .trim_start_matches(|c| c == '\0')
+            .trim_start_matches('\0')
     }
 
     pub const MAINNET: Self = Self::from_slice_unwrap(b"SN_MAIN");

crates/merkle-tree/src/contract.rs

@@ -12,8 +12,13 @@ use bitvec::slice::BitSlice;
 use pathfinder_common::hash::PedersenHash;
 use pathfinder_common::trie::TrieNode;
 use pathfinder_common::{
-    BlockNumber, ContractAddress, ContractRoot, ContractStateHash, StorageAddress,
-    StorageCommitment, StorageValue,
+    BlockNumber,
+    ContractAddress,
+    ContractRoot,
+    ContractStateHash,
+    StorageAddress,
+    StorageCommitment,
+    StorageValue,
 };
 use pathfinder_crypto::Felt;
 use pathfinder_storage::{Transaction, TrieUpdate};

crates/rpc/src/pathfinder/methods/get_proof.rs

@@ -249,7 +249,7 @@ pub async fn get_proof(
                 input.contract_address,
                 header.number,
                 k.view_bits(),
-                root.unwrap()
+                root.expect("Root cannot be empty"),
             )
             .context("Get proof from contract state tree")?
             .ok_or_else(|| {