fix: actually used rocksdb feature flag

Cargo.toml

@@ -9,7 +9,6 @@ rocksdb = ["dep:rocksdb"]
 
 [dependencies]
 parity-scale-codec = { version = "3.0.0", features = ["derive"] }
-rocksdb = { optional = true, version = "0.21.0", features = ["multi-threaded-cf"] }
 serde = { version = "1.0.193", features = ["derive"] }
 bincode = "1.3.3"
 log = "0.4.20"
@@ -24,6 +23,9 @@ derive_more = { version = "0.99.17", features = ["constructor"] }
 mp-felt = { git = "https://github.com/keep-starknet-strange/madara.git", rev = "f30acea8af7e28e956e771928130e12bfc084832", package = "mp-felt", features = ["parity-scale-codec", "serde"]}
 mp-hashers = { git = "https://github.com/keep-starknet-strange/madara.git", rev = "f30acea8af7e28e956e771928130e12bfc084832", package = "mp-hashers" }
 
+# Optionals
+rocksdb = { optional = true, version = "0.21.0", features = ["multi-threaded-cf"] }
+
 [dev-dependencies]
 tempfile = "3.8.0"
 mp-commitments = { git = "https://github.com/keep-starknet-strange/madara.git", rev = "f30acea8af7e28e956e771928130e12bfc084832", package = "mp-commitments" }

src/databases/mod.rs

@@ -1,6 +1,8 @@
 #![allow(dead_code)]
 mod hashmap_db;
 
+#[cfg(feature = "rocksdb")]
 mod rocks_db;
 
+#[cfg(feature = "rocksdb")]
 pub use rocks_db::{create_rocks_db, RocksDB, RocksDBBatch, RocksDBConfig};