refactor(database): replace SipHasher with DefaultHasher

Cargo.toml

@@ -17,7 +17,6 @@ soukoban = { git = "https://github.com/ShenMian/soukoban" }
 bitflags = "2.4"
 nalgebra = "0.32"
 itertools = "0.13"
-siphasher = "1.0"
 
 leafwing-input-manager = "0.13"
 bevy_kira_audio = "0.19"

src/database.rs

@@ -1,9 +1,8 @@
-use std::hash::{Hash, Hasher};
+use std::hash::{DefaultHasher, Hash, Hasher};
 use std::path::Path;
 use std::str::FromStr;
 
 use rusqlite::Connection;
-use siphasher::sip::SipHasher24;
 use soukoban::{Actions, Level};
 
 pub struct Database {
@@ -223,7 +222,7 @@ impl Database {
 
     /// Computes a normalized hash for the provided level.
     fn normalized_hash(level: &Level) -> String {
-        let mut hasher = SipHasher24::new();
+        let mut hasher = DefaultHasher::new();
         let mut normalized_level = level.clone();
         normalized_level.normalize();
         normalized_level.hash(&mut hasher);

src/main.rs

@@ -52,7 +52,8 @@ fn load_input_map() -> InputMap<Action> {
         fs::write(KEYMAP_FILE_PATH, default_keymap_toml).unwrap();
     }
     let keymap_toml = fs::read_to_string(KEYMAP_FILE_PATH).unwrap();
-    let input_map: InputMap<Action> = toml::from_str(keymap_toml.as_str()).unwrap();
+    let input_map: InputMap<Action> =
+        toml::from_str(keymap_toml.as_str()).expect("failed to parse `keymap.toml`");
     input_map
 }
 

src/solve/state.rs

@@ -2,13 +2,12 @@ use std::{
     cell::OnceCell,
     cmp::Ordering,
     collections::HashSet,
-    hash::{Hash, Hasher},
+    hash::{DefaultHasher, Hash, Hasher},
 };
 
 use crate::solve::solver::*;
 
 use nalgebra::Vector2;
-use siphasher::sip::SipHasher24;
 use soukoban::{
     deadlock,
     direction::Direction,
@@ -184,7 +183,7 @@ impl State {
 
     /// Returns a normalized hash of the current state.
     pub fn normalized_hash(&self, solver: &Solver) -> u64 {
-        let mut hasher = SipHasher24::new();
+        let mut hasher = DefaultHasher::new();
         self.normalized(solver).hash(&mut hasher);
         hasher.finish()
     }