From 50c49127fb679195995e075a83422c3feaac755c Mon Sep 17 00:00:00 2001
From: Rahul Garg <rg@vihu.dev>
Date: Sun, 10 Jan 2021 17:03:08 -0800
Subject: [PATCH] Add reveal to commitment and bivarcommitment

---
 src/poly.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/poly.rs b/src/poly.rs
index 38614ed..a8f5588 100644
--- a/src/poly.rs
+++ b/src/poly.rs
@@ -513,6 +513,11 @@ impl Commitment {
         let len = self.coeff.len() - zeros;
         self.coeff.truncate(len)
     }
+
+    /// Generates a non-redacted debug string
+    pub fn reveal(&self) -> String {
+        format!("Commitment {{ coeff: {:?} }}", self.coeff)
+    }
 }
 
 /// A symmetric bivariate polynomial in the prime field.
@@ -729,6 +734,16 @@ impl BivarCommitment {
     fn powers<T: IntoFr>(&self, x: T) -> Vec<Fr> {
         powers(x, self.degree)
     }
+
+    /// Generates a non-redacted debug string. This method differs from the
+    /// `Debug` implementation in that it *does* leak the the struct's
+    /// internal state.
+    pub fn reveal(&self) -> String {
+        format!(
+            "BivarCommitment {{ degree: {}, coeff: {:?} }}",
+            self.degree, self.coeff
+        )
+    }
 }
 
 /// Returns the `0`-th to `degree`-th power of `x`.