modify features for verifiable-encryption

halo2_gadgets/Cargo.toml

@@ -49,6 +49,8 @@ pprof = { version = "0.8", features = ["criterion", "flamegraph"] } # MSRV 1.56
 bench = false
 
 [features]
+default = ["verifiable-encryption"]
+verifiable-encryption = []
 test-dev-graph = [
     "halo2_proofs/dev-graph",
     "plotters",

halo2_gadgets/src/utilities/lookup_range_check.rs

@@ -186,7 +186,7 @@ impl<F: PrimeFieldBits, const K: usize> LookupRangeCheckConfig<F, K> {
         config
     }
 
-    #[cfg(test)]
+    #[cfg(feature = "verifiable-encryption")]
     // Fill `table_idx` and `table_range_check_tag`.
     // This is only used in testing for now, since the Sinsemilla chip provides a pre-loaded table
     // in the Orchard context.