From 7100c2362eedcd872102b31ac6169d6f2fb6cfb2 Mon Sep 17 00:00:00 2001
From: Jonathan Wang <31040440+jonathanpwang@users.noreply.github.com>
Date: Wed, 16 Aug 2023 22:00:40 -0600
Subject: [PATCH] chore: add back RangeCircuitBuilder::config (#111)

---
 halo2-base/src/gates/builder/mod.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/halo2-base/src/gates/builder/mod.rs b/halo2-base/src/gates/builder/mod.rs
index 7280967a..f70def08 100644
--- a/halo2-base/src/gates/builder/mod.rs
+++ b/halo2-base/src/gates/builder/mod.rs
@@ -623,6 +623,13 @@ impl<F: ScalarField> RangeCircuitBuilder<F> {
     ) -> Self {
         Self(GateCircuitBuilder::prover(builder, config_params, break_points))
     }
+
+    /// Auto-configures the circuit configuration parameters. Mutates the configuration parameters of the circuit
+    /// and also returns a copy of the new configuration.
+    pub fn config(&mut self, minimum_rows: Option<usize>) -> BaseConfigParams {
+        self.0.config_params = self.0.builder.borrow().config(self.0.config_params.k, minimum_rows);
+        self.0.config_params.clone()
+    }
 }
 
 impl<F: ScalarField> Circuit<F> for RangeCircuitBuilder<F> {
@@ -754,6 +761,12 @@ impl<F: ScalarField> RangeWithInstanceCircuitBuilder<F> {
     pub fn instance(&self) -> Vec<F> {
         self.assigned_instances.iter().map(|v| *v.value()).collect()
     }
+
+    /// Auto-configures the circuit configuration parameters. Mutates the configuration parameters of the circuit
+    /// and also returns a copy of the new configuration.
+    pub fn config(&mut self, minimum_rows: Option<usize>) -> BaseConfigParams {
+        self.circuit.config(minimum_rows)
+    }
 }
 
 impl<F: ScalarField> Circuit<F> for RangeWithInstanceCircuitBuilder<F> {