utilities::lookup_range_check: Derive Copy for LookupRangeCheckConfig.

src/circuit.rs

@@ -236,7 +236,7 @@ impl plonk::Circuit<pallas::Base> for Circuit {
 
         // Configuration for curve point operations.
         // This uses 10 advice columns and spans the whole circuit.
-        let ecc_config = EccChip::configure(meta, advices, lagrange_coeffs, range_check.clone());
+        let ecc_config = EccChip::configure(meta, advices, lagrange_coeffs, range_check);
 
         // Configuration for the Poseidon hash.
         let poseidon_config = PoseidonChip::configure(
@@ -261,7 +261,7 @@ impl plonk::Circuit<pallas::Base> for Circuit {
                 advices[6],
                 lagrange_coeffs[0],
                 lookup,
-                range_check.clone(),
+                range_check,
             );
             let merkle_config_1 = MerkleChip::configure(meta, sinsemilla_config_1.clone());
 

src/circuit/gadget/ecc/chip/mul/overflow.rs

@@ -28,7 +28,7 @@ impl From<&EccConfig> for Config {
     fn from(ecc_config: &EccConfig) -> Self {
         Self {
             q_mul_overflow: ecc_config.q_mul_overflow,
-            lookup_config: ecc_config.lookup_config.clone(),
+            lookup_config: ecc_config.lookup_config,
             // Use advice columns that don't conflict with the either the incomplete
             // additions in fixed-base scalar mul, or the lookup range checks.
             advices: [

src/circuit/gadget/ecc/chip/mul_fixed/base_field_elem.rs

@@ -33,7 +33,7 @@ impl From<&EccConfig> for Config {
             q_mul_fixed_running_sum: config.q_mul_fixed_running_sum,
             q_mul_fixed_base_field: config.q_mul_fixed_base_field,
             canon_advices: [config.advices[6], config.advices[7], config.advices[8]],
-            lookup_config: config.lookup_config.clone(),
+            lookup_config: config.lookup_config,
             running_sum_config: config.running_sum_config.clone(),
             super_config: config.into(),
         };

src/circuit/gadget/sinsemilla.rs

@@ -487,8 +487,7 @@ mod tests {
 
             let range_check = LookupRangeCheckConfig::configure(meta, advices[9], table_idx);
 
-            let ecc_config =
-                EccChip::configure(meta, advices, lagrange_coeffs, range_check.clone());
+            let ecc_config = EccChip::configure(meta, advices, lagrange_coeffs, range_check);
 
             let config1 = SinsemillaChip::configure(
                 meta,
@@ -496,7 +495,7 @@ mod tests {
                 advices[2],
                 lagrange_coeffs[0],
                 lookup,
-                range_check.clone(),
+                range_check,
             );
             let config2 = SinsemillaChip::configure(
                 meta,

src/circuit/gadget/sinsemilla/commit_ivk.rs

@@ -722,7 +722,7 @@ mod tests {
                     advices[2],
                     lagrange_coeffs[0],
                     lookup,
-                    range_check.clone(),
+                    range_check,
                 );
 
                 let commit_ivk_config =

src/circuit/gadget/sinsemilla/merkle.rs

@@ -210,7 +210,7 @@ pub mod tests {
                 advices[7],
                 fixed_y_q_1,
                 lookup,
-                range_check.clone(),
+                range_check,
             );
             let config1 = MerkleChip::configure(meta, sinsemilla_config_1);
 

src/circuit/gadget/sinsemilla/note_commit.rs

@@ -1528,7 +1528,7 @@ mod tests {
                     advices[2],
                     lagrange_coeffs[0],
                     lookup,
-                    range_check.clone(),
+                    range_check,
                 );
                 let note_commit_config =
                     NoteCommitConfig::configure(meta, advices, sinsemilla_config);

src/circuit/gadget/utilities/lookup_range_check.rs

@@ -23,7 +23,7 @@ impl<F: FieldExt + PrimeFieldBits> std::ops::Deref for RunningSum<F> {
     }
 }
 
-#[derive(Eq, PartialEq, Debug, Clone)]
+#[derive(Eq, PartialEq, Debug, Clone, Copy)]
 pub struct LookupRangeCheckConfig<F: FieldExt + PrimeFieldBits, const K: usize> {
     pub q_lookup: Selector,
     pub q_running: Selector,