fix: Remove unneded idb dependency (#30)

Cargo.toml

@@ -32,7 +32,6 @@ tokio = { version = "1.29.0", features = ["macros", "rt"], optional = true }
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 js-sys = { version = "0.3.68", optional = true }
 rexie = { version = "0.6.1", optional = true }
-idb = { version = "0.6.2", optional = true }
 wasm-bindgen = { version = "0.2.91", optional = true }
 
 [dev-dependencies]
@@ -47,7 +46,7 @@ multihash-codetable = { version = "0.1.1", features = ["digest", "sha2"] }
 wasm-bindgen-test = "0.3.41"
 
 [features]
-indexeddb = ["dep:js-sys", "dep:rexie", "dep:wasm-bindgen", "dep:idb"]
+indexeddb = ["dep:js-sys", "dep:rexie", "dep:wasm-bindgen"]
 lru = ["dep:lru"]
 redb = ["dep:redb", "dep:tokio"]
 sled = ["dep:sled", "dep:tokio"]

src/indexed_db_blockstore.rs

@@ -135,14 +135,8 @@ impl From<rexie::Error> for Error {
     }
 }
 
-impl From<idb::Error> for Error {
-    fn from(value: idb::Error) -> Self {
-        Error::FatalDatabaseError(value.to_string())
-    }
-}
-
 async fn has_key(store: &Store, key: &JsValue) -> Result<bool> {
-    let key_range = KeyRange::only(key)?;
+    let key_range = KeyRange::only(key).map_err(rexie::Error::IdbError)?;
     let count = store.count(Some(key_range)).await?;
     Ok(count > 0)
 }