From 68f82767182be19e39c34daf14fcf63550cf876c Mon Sep 17 00:00:00 2001
From: weikengchen <w.k@berkeley.edu>
Date: Mon, 31 Aug 2026 10:32:19 +0800
Subject: [PATCH] Fix mismatched lifetime syntax warnings

---
 poly-commit/src/kzg10/mod.rs                | 6 +++---
 poly-commit/src/sonic_pc/data_structures.rs | 8 ++++----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/poly-commit/src/kzg10/mod.rs b/poly-commit/src/kzg10/mod.rs
index 81a7b59f..7d4c9405 100644
--- a/poly-commit/src/kzg10/mod.rs
+++ b/poly-commit/src/kzg10/mod.rs
@@ -488,10 +488,10 @@ mod tests {
     impl<E: Pairing, P: DenseUVPolynomial<E::ScalarField>> KZG10<E, P> {
         /// Specializes the public parameters for a given maximum degree `d` for polynomials
         /// `d` should be less that `pp.max_degree()`.
-        pub(crate) fn trim(
-            pp: &UniversalParams<E>,
+        pub(crate) fn trim<'a>(
+            pp: &'a UniversalParams<E>,
             mut supported_degree: usize,
-        ) -> Result<(Powers<E>, VerifierKey<E>), Error> {
+        ) -> Result<(Powers<'a, E>, VerifierKey<E>), Error> {
             if supported_degree == 1 {
                 supported_degree += 1;
             }
diff --git a/poly-commit/src/sonic_pc/data_structures.rs b/poly-commit/src/sonic_pc/data_structures.rs
index 4ed8e500..bfc19e68 100644
--- a/poly-commit/src/sonic_pc/data_structures.rs
+++ b/poly-commit/src/sonic_pc/data_structures.rs
@@ -70,7 +70,7 @@ pub struct CommitterKey<E: Pairing> {
 
 impl<E: Pairing> CommitterKey<E> {
     /// Obtain powers for the underlying KZG10 construction
-    pub fn powers(&self) -> kzg10::Powers<E> {
+    pub fn powers<'a>(&'a self) -> kzg10::Powers<'a, E> {
         kzg10::Powers {
             powers_of_g: self.powers_of_g.as_slice().into(),
             powers_of_gamma_g: self.powers_of_gamma_g.as_slice().into(),
@@ -78,10 +78,10 @@ impl<E: Pairing> CommitterKey<E> {
     }
 
     /// Obtain powers for committing to shifted polynomials.
-    pub fn shifted_powers(
-        &self,
+    pub fn shifted_powers<'a>(
+        &'a self,
         degree_bound: impl Into<Option<usize>>,
-    ) -> Option<kzg10::Powers<E>> {
+    ) -> Option<kzg10::Powers<'a, E>> {
         match (&self.shifted_powers_of_g, &self.shifted_powers_of_gamma_g) {
             (Some(shifted_powers_of_g), Some(shifted_powers_of_gamma_g)) => {
                 let max_bound = self