From 5cc2b9ac14d17f9500fec0c722a2508eba011ebc Mon Sep 17 00:00:00 2001
From: Ayush Shukla <shuklaayush247@gmail.com>
Date: Tue, 23 Jan 2024 03:11:30 +0530
Subject: [PATCH] fix: put serde behind feature

---
 src/ed25519/curve.rs | 10 +++++++---
 src/ed25519/fq.rs    |  8 +++++---
 src/ed25519/fr.rs    |  8 +++++---
 3 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/src/ed25519/curve.rs b/src/ed25519/curve.rs
index 93563c6d..1c0a17fa 100644
--- a/src/ed25519/curve.rs
+++ b/src/ed25519/curve.rs
@@ -9,9 +9,11 @@ use ff::{BatchInverter, Field, PrimeField};
 use group::{self, Curve};
 use group::{prime::PrimeCurveAffine, GroupEncoding};
 use rand::RngCore;
-use serde::{Deserialize, Serialize};
 use subtle::{Choice, ConditionallySelectable, ConstantTimeEq, CtOption};
 
+#[cfg(feature = "derive_serde")]
+use serde::{Deserialize, Serialize};
+
 const ED25519_GENERATOR_X: Fq = Fq::from_raw([
     0xc956_2d60_8f25_d51a,
     0x692c_c760_9525_a7b2,
@@ -43,7 +45,8 @@ use crate::{
     impl_binops_multiplicative, impl_binops_multiplicative_mixed, impl_sub_binop_specify_output,
 };
 
-#[derive(Copy, Clone, Debug, Serialize, Deserialize)]
+#[derive(Copy, Clone, Debug)]
+#[cfg_attr(feature = "derive_serde", derive(Serialize, Deserialize))]
 pub struct Ed25519 {
     pub x: Fq,
     pub y: Fq,
@@ -51,7 +54,8 @@ pub struct Ed25519 {
     pub t: Fq,
 }
 
-#[derive(Copy, Clone, Debug, PartialEq, Hash, Serialize, Deserialize)]
+#[derive(Copy, Clone, Debug, PartialEq, Hash)]
+#[cfg_attr(feature = "derive_serde", derive(Serialize, Deserialize))]
 pub struct Ed25519Affine {
     pub x: Fq,
     pub y: Fq,
diff --git a/src/ed25519/fq.rs b/src/ed25519/fq.rs
index cfba8129..fed7e413 100644
--- a/src/ed25519/fq.rs
+++ b/src/ed25519/fq.rs
@@ -1,12 +1,13 @@
 use core::convert::TryInto;
 use core::fmt;
 use core::ops::{Add, Mul, Neg, Sub};
-
 use ff::{FromUniformBytes, PrimeField, WithSmallOrderMulGroup};
 use rand::RngCore;
-use serde::{Deserialize, Serialize};
 use subtle::{Choice, ConditionallySelectable, ConstantTimeEq, CtOption};
 
+#[cfg(feature = "derive_serde")]
+use serde::{Deserialize, Serialize};
+
 use crate::arithmetic::{adc, mac, macx, sbb};
 
 /// This represents an element of $\mathbb{F}_q$ where
@@ -17,7 +18,8 @@ use crate::arithmetic::{adc, mac, macx, sbb};
 // The internal representation of this type is four 64-bit unsigned
 // integers in little-endian order. `Fq` values are always in
 // Montgomery form; i.e., Fq(a) = aR mod q, with R = 2^256.
-#[derive(Clone, Copy, Eq, PartialEq, Hash, Serialize, Deserialize)]
+#[derive(Clone, Copy, Eq, PartialEq, Hash)]
+#[cfg_attr(feature = "derive_serde", derive(Serialize, Deserialize))]
 pub struct Fq(pub(crate) [u64; 4]);
 
 /// Constant representing the modulus
diff --git a/src/ed25519/fr.rs b/src/ed25519/fr.rs
index dc2c0789..4ef3ab4b 100644
--- a/src/ed25519/fr.rs
+++ b/src/ed25519/fr.rs
@@ -1,12 +1,13 @@
 use core::convert::TryInto;
 use core::fmt;
 use core::ops::{Add, Mul, Neg, Sub};
-
 use ff::{FromUniformBytes, PrimeField, WithSmallOrderMulGroup};
 use rand::RngCore;
-use serde::{Deserialize, Serialize};
 use subtle::{Choice, ConditionallySelectable, ConstantTimeEq, CtOption};
 
+#[cfg(feature = "derive_serde")]
+use serde::{Deserialize, Serialize};
+
 use crate::arithmetic::{adc, mac, macx, sbb};
 
 /// This represents an element of $\mathbb{F}_q$ where
@@ -17,7 +18,8 @@ use crate::arithmetic::{adc, mac, macx, sbb};
 // The internal representation of this type is four 64-bit unsigned
 // integers in little-endian order. `Fr` values are always in
 // Montgomery form; i.e., Fr(a) = aR mod r, with R = 2^256.
-#[derive(Clone, Copy, Eq, PartialEq, Hash, Serialize, Deserialize)]
+#[derive(Clone, Copy, Eq, PartialEq, Hash)]
+#[cfg_attr(feature = "derive_serde", derive(Serialize, Deserialize))]
 pub struct Fr(pub(crate) [u64; 4]);
 
 /// Constant representing the modulus