From 6e2e23cf87ae19ccb0b52367259be57b00493f08 Mon Sep 17 00:00:00 2001
From: Leonard Kulms <leonard.kulms@icloud.com>
Date: Mon, 15 Apr 2024 16:50:27 +0200
Subject: [PATCH] make feature additive

---
 zk-token-sdk/Cargo.toml                     | 3 ++-
 zk-token-sdk/src/encryption/discrete_log.rs | 8 ++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/zk-token-sdk/Cargo.toml b/zk-token-sdk/Cargo.toml
index b2bbb09aa64348..f405348118f76a 100644
--- a/zk-token-sdk/Cargo.toml
+++ b/zk-token-sdk/Cargo.toml
@@ -41,4 +41,5 @@ zeroize = { workspace = true, features = ["zeroize_derive"] }
 crate-type = ["cdylib", "rlib"]
 
 [features]
-single-threaded = []
+default = ["enable-threaded"]
+enable-threaded = []
diff --git a/zk-token-sdk/src/encryption/discrete_log.rs b/zk-token-sdk/src/encryption/discrete_log.rs
index 3cf9fabd5ae177..22bf7e524c7cf6 100644
--- a/zk-token-sdk/src/encryption/discrete_log.rs
+++ b/zk-token-sdk/src/encryption/discrete_log.rs
@@ -140,7 +140,7 @@ impl DiscreteLog {
     /// Solves the discrete log problem under the assumption that the solution
     /// is a positive 32-bit number.
     pub fn decode_u32(self) -> Option<u64> {
-        #[cfg(feature = "single_thread")]
+        #[cfg(not(feature = "enable-threaded"))]
         {
             let ristretto_iterator =
                 RistrettoIterator::new((self.target, 0_u64), (-(&self.step_point), 1_u64));
@@ -151,7 +151,7 @@ impl DiscreteLog {
             )
         }
 
-        #[cfg(not(feature = "single_thread"))]
+        #[cfg(feature = "enable-threaded")]
         {
             let mut starting_point = self.target;
             let handles = (0..self.num_threads)
@@ -270,7 +270,7 @@ mod tests {
     }
 
     #[test]
-    #[cfg(not(feature = "single-threaded"))]
+    #[cfg(feature = "enable-threaded")]
     fn test_decode_correctness() {
         // general case
         let amount: u64 = 4294967295;
@@ -306,7 +306,7 @@ mod tests {
     }
 
     #[test]
-    #[cfg(not(feature = "single-threaded"))]
+    #[cfg(feature = "enable-threaded")]
     fn test_decode_correctness_threaded() {
         // general case
         let amount: u64 = 55;