From e366a899582daca724ede47a3346ceeffad945ff Mon Sep 17 00:00:00 2001
From: samkim-crypto <skim13@cs.stanford.edu>
Date: Thu, 11 Apr 2024 17:01:37 +0900
Subject: [PATCH] update `FeeSigmaProof` to `PercentageWithCapProof` in the
 `zk_token_elgamal` module

---
 zk-token-sdk/src/instruction/fee_sigma.rs            |  2 +-
 zk-token-sdk/src/instruction/transfer/with_fee.rs    |  2 +-
 zk-token-sdk/src/zk_token_elgamal/pod/mod.rs         |  4 ++--
 .../src/zk_token_elgamal/pod/sigma_proofs.rs         | 12 ++++++------
 4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/zk-token-sdk/src/instruction/fee_sigma.rs b/zk-token-sdk/src/instruction/fee_sigma.rs
index 4b4852dc5a879d..f72afd54ff8bc3 100644
--- a/zk-token-sdk/src/instruction/fee_sigma.rs
+++ b/zk-token-sdk/src/instruction/fee_sigma.rs
@@ -36,7 +36,7 @@ use {
 pub struct FeeSigmaProofData {
     pub context: FeeSigmaProofContext,
 
-    pub proof: pod::FeeSigmaProof,
+    pub proof: pod::PercentageWithCapProof,
 }
 
 /// The context data needed to verify a pubkey validity proof.
diff --git a/zk-token-sdk/src/instruction/transfer/with_fee.rs b/zk-token-sdk/src/instruction/transfer/with_fee.rs
index bf7c5a99ca69e1..5b5c0c1d9ab79c 100644
--- a/zk-token-sdk/src/instruction/transfer/with_fee.rs
+++ b/zk-token-sdk/src/instruction/transfer/with_fee.rs
@@ -459,7 +459,7 @@ pub struct TransferWithFeeProof {
     pub claimed_commitment: pod::PedersenCommitment,
     pub equality_proof: pod::CiphertextCommitmentEqualityProof,
     pub ciphertext_amount_validity_proof: pod::BatchedGroupedCiphertext2HandlesValidityProof,
-    pub fee_sigma_proof: pod::FeeSigmaProof,
+    pub fee_sigma_proof: pod::PercentageWithCapProof,
     pub fee_ciphertext_validity_proof: pod::BatchedGroupedCiphertext2HandlesValidityProof,
     pub range_proof: pod::RangeProofU256,
 }
diff --git a/zk-token-sdk/src/zk_token_elgamal/pod/mod.rs b/zk-token-sdk/src/zk_token_elgamal/pod/mod.rs
index d782672c8cf55c..a40a2d42ec7b90 100644
--- a/zk-token-sdk/src/zk_token_elgamal/pod/mod.rs
+++ b/zk-token-sdk/src/zk_token_elgamal/pod/mod.rs
@@ -22,8 +22,8 @@ pub use {
     range_proof::{RangeProofU128, RangeProofU256, RangeProofU64},
     sigma_proofs::{
         BatchedGroupedCiphertext2HandlesValidityProof, CiphertextCiphertextEqualityProof,
-        CiphertextCommitmentEqualityProof, FeeSigmaProof, GroupedCiphertext2HandlesValidityProof,
-        PubkeyValidityProof, ZeroBalanceProof,
+        CiphertextCommitmentEqualityProof, GroupedCiphertext2HandlesValidityProof,
+        PercentageWithCapProof, PubkeyValidityProof, ZeroBalanceProof,
     },
 };
 
diff --git a/zk-token-sdk/src/zk_token_elgamal/pod/sigma_proofs.rs b/zk-token-sdk/src/zk_token_elgamal/pod/sigma_proofs.rs
index 07f03f5912fcf7..8b1327378f0477 100644
--- a/zk-token-sdk/src/zk_token_elgamal/pod/sigma_proofs.rs
+++ b/zk-token-sdk/src/zk_token_elgamal/pod/sigma_proofs.rs
@@ -28,7 +28,7 @@ const BATCHED_GROUPED_CIPHERTEXT_2_HANDLES_VALIDITY_PROOF_LEN: usize = 160;
 const ZERO_BALANCE_PROOF_LEN: usize = 96;
 
 /// Byte length of a fee sigma proof
-const FEE_SIGMA_PROOF_LEN: usize = 256;
+const PERCENTAGE_WITH_CAP_PROOF_LEN: usize = 256;
 
 /// Byte length of a public key validity proof
 const PUBKEY_VALIDITY_PROOF_LEN: usize = 64;
@@ -152,23 +152,23 @@ impl TryFrom<ZeroBalanceProof> for DecodedZeroBalanceProof {
     }
 }
 
-/// The `FeeSigmaProof` type as a `Pod`.
+/// The `PercentageWithCapProof` type as a `Pod`.
 #[derive(Clone, Copy, Pod, Zeroable)]
 #[repr(transparent)]
-pub struct FeeSigmaProof(pub [u8; FEE_SIGMA_PROOF_LEN]);
+pub struct PercentageWithCapProof(pub [u8; PERCENTAGE_WITH_CAP_PROOF_LEN]);
 
 #[cfg(not(target_os = "solana"))]
-impl From<DecodedPercentageWithCapProof> for FeeSigmaProof {
+impl From<DecodedPercentageWithCapProof> for PercentageWithCapProof {
     fn from(decoded_proof: DecodedPercentageWithCapProof) -> Self {
         Self(decoded_proof.to_bytes())
     }
 }
 
 #[cfg(not(target_os = "solana"))]
-impl TryFrom<FeeSigmaProof> for DecodedPercentageWithCapProof {
+impl TryFrom<PercentageWithCapProof> for DecodedPercentageWithCapProof {
     type Error = FeeSigmaProofVerificationError;
 
-    fn try_from(pod_proof: FeeSigmaProof) -> Result<Self, Self::Error> {
+    fn try_from(pod_proof: PercentageWithCapProof) -> Result<Self, Self::Error> {
         Self::from_bytes(&pod_proof.0)
     }
 }