From c2c581b3978f1b4b5f4d706ee1aaca54425b7020 Mon Sep 17 00:00:00 2001
From: Alfredo Garcia <oxarbitrage@gmail.com>
Date: Fri, 21 May 2021 19:42:06 -0300
Subject: [PATCH] change GroupCommitment to use AffinePoint

---
 src/frost.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/frost.rs b/src/frost.rs
index 1cc2d56..20d8e90 100644
--- a/src/frost.rs
+++ b/src/frost.rs
@@ -92,7 +92,7 @@ pub struct ShareCommitment(Vec<Commitment>);
 
 /// The product of all signers' individual commitments, published as part of the
 /// final signature.
-pub struct GroupCommitment(jubjub::ExtendedPoint);
+pub struct GroupCommitment(jubjub::AffinePoint);
 
 /// Secret and public key material generated by a dealer performing
 /// [`keygen_with_dealer`].
@@ -503,7 +503,7 @@ fn gen_group_commitment(
         accumulator += commitment.hiding + (commitment.binding * rho_i)
     }
 
-    Ok(GroupCommitment(accumulator))
+    Ok(GroupCommitment(jubjub::AffinePoint::from(accumulator)))
 }
 
 /// Generates the challenge as is required for Schnorr signatures.